[Lldb-commits] [PATCH] Merge of Linux and FreeBSD

Johnny Chen johnny.chen at apple.com
Thu Jan 5 10:57:13 PST 2012


Hi Dawn,

I will commit the POSIX patch for you in a moment.
Thanks.

On Jan 4, 2012, at 7:25 PM, dawn at burble.org wrote:

> The commit failed with:
> 
>    svn: Commit failed (details follow):
>    svn: Server sent unexpected return value (400 Bad Request) in response to MKACTIVITY request for '/svn/llvm-project/!svn/act/171a3442-2c78-47b3-89ac-63b98af59774'
>    svn: Your commit message was left in a temporary file:
>    svn:    '/home/dawn/dev/llvm_svnR146622/tools/lldb/svn-commit.tmp'
> 
> I tried checking out the tree with:
>    svn co https://llvm.org/svn/llvm-project
> but that gave me:
>    svn: access to '/svn/llvm-project/!svn/vcc/default' forbidden
> 
> Please commit lldb_svnR147560_POSIX.patch for me?
> Commit message is:
> 
>    This patch combines common code from Linux and FreeBSD into
>    a new POSIX platform.  It also contains fixes for 64bit FreeBSD.
> 
>    The patch is based on changes by Mark Peek <mp at FreeBSD.org> and
>    "K. Macy" <kmacy at freebsd.org> in their github repo located at
>    https://github.com/fbsd/lldb.
> 
> Thanks,
> -Dawn
> 
> On Wed, Jan 04, 2012 at 06:04:17PM -0800, dawn at burble.org wrote:
>> Looks like only source/Target/Platform.cpp had left-overs from the
>> bad git patch, so we're good now.  
>> 
>> New patches attached:
>>    lldb_svnR147560_POSIX_TargetList.patch - changes to TargetList.cpp separated out.
>>    lldb_svnR147560_POSIX.patch - changes sans Platform.cpp and TargetList.cpp
>> 
>> The changes to TargetList.cpp are needed by both BSD and Linux in order for
>> Attach() to work.  I spent a lot of time debugging this one, and the BSD folks
>> came to the same conclusion.  I'll dig through my notes and try to write up my
>> findings - should this be discussed here or on lldb-dev?
>> 
>> So I should go ahead and commit the rest of the patch?  I've commited to clang
>> but never lldb - I can give it a try... 
>> 
>> Thanks,
>> -Dawn
>> 
>> On Wed, Jan 04, 2012 at 05:11:13PM -0800, dawn at burble.org wrote:
>>> On Wed, Jan 04, 2012 at 04:41:08PM -0800, Johnny Chen wrote:
>>>> Hi Dawn,
>>>> 
>>>> The patch looks good.  I have a couple of questions on source/Target/Platform.cpp and source/Target/TargetList.cpp, though.
>>>> Please commit the patch except the two files.
>>>> 
>>>> Here are my questions:
>>>> 
>>>> The Platform.cpp patch looks wrong?
>>> 
>>> Sorry - you're right.  That was a left over from a mis-applied git patch
>>> that I thought I had reverted.  I will fix ASAP and resubmit.
>>> 
>>> Thanks for catching this!!!
>>> 
>>> ...stay tuned...
>>> 
>>>> Index: source/Target/Platform.cpp
>>>> ===================================================================
>>>> --- source/Target/Platform.cpp	(revision 147560)
>>>> +++ source/Target/Platform.cpp	(working copy)
>>>> @@ -572,6 +572,16 @@
>>>>                         Error &error)
>>>> {
>>>>     ProcessSP process_sp;
>>>> +
>>>> +    launch_info.GetFlags ().Set (eLaunchFlagDebug);
>>>> +    const char *plugin_name = launch_info.GetProcessPluginName();
>>>> +    process_sp = target->CreateProcess (listener, plugin_name).get();
>>>> +    error = process_sp->Launch (launch_info);
>>>> +    return process_sp;
>>>> +
>>>> +
>>>> +#if 0
>>>> +    ProcessSP process_sp;
>>>>     // Make sure we stop at the entry point
>>>>     launch_info.GetFlags ().Set (eLaunchFlagDebug);
>>>>     error = LaunchProcess (launch_info);
>>>> @@ -602,4 +612,5 @@
>>>>         }
>>>>     }
>>>>     return process_sp;
>>>> +#endif
>>>> }
>>>> 
>>>> Also, I'll ask Greg to review the TargetList.cpp question you have.
>>>> Please don't commit it for the time being.
>>>> 
>>>> Index: source/Target/TargetList.cpp
>>>> ===================================================================
>>>> --- source/Target/TargetList.cpp	(revision 147560)
>>>> +++ source/Target/TargetList.cpp	(working copy)
>>>> @@ -72,7 +72,8 @@
>>>>     if (!platform_sp)
>>>>         platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
>>>> 
>>>> -    ArchSpec arch;
>>>> +    // Unclear why I need to init this and others don't
>>>> +    ArchSpec arch = Host::GetArchitecture(Host::eSystemDefaultArchitecture);
>>>> 
>>>>     if (triple_cstr)
>>>>     {
>>>> @@ -83,6 +84,7 @@
>>>>             return error;
>>>>         }
>>>>     }
>>>> +
>>>>     error = TargetList::CreateTarget (debugger,
>>>>                                       file,
>>>>                                       arch,
>>>> 
>>>> On Jan 4, 2012, at 3:26 PM, dawn at burble.org wrote:
>>>> 
>>>>> 
>>>>> This patch combines common code from Linux and FreeBSD into
>>>>> a new POSIX platform.  It also contains fixes for 64bit FreeBSD.
>>>>> 
>>>>> The patch is based on changes by Mark Peek <mp at FreeBSD.org> and
>>>>> "K. Macy" <kmacy at freebsd.org> in their 
>>>>> github repo located at https://github.com/fbsd/lldb.
>>>>> 
>>>>> Ok to commit?
>>>>> Thanks!
>>>>> -Dawn
>>>>> <lldb_svnR147560_POSIX.patch>_______________________________________________
>>>>> lldb-commits mailing list
>>>>> lldb-commits at cs.uiuc.edu
>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits
>>> _______________________________________________
>>> lldb-commits mailing list
>>> lldb-commits at cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits
> 
>> Index: source/Target/TargetList.cpp
>> ===================================================================
>> --- source/Target/TargetList.cpp	(revision 147560)
>> +++ source/Target/TargetList.cpp	(working copy)
>> @@ -72,7 +72,8 @@
>>     if (!platform_sp)
>>         platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
>> 
>> -    ArchSpec arch;
>> +    // Unclear why I need to init this and others don't
>> +    ArchSpec arch = Host::GetArchitecture(Host::eSystemDefaultArchitecture);
>> 
>>     if (triple_cstr)
>>     {
>> @@ -83,6 +84,7 @@
>>             return error;
>>         }
>>     }
>> +
>>     error = TargetList::CreateTarget (debugger,
>>                                       file,
>>                                       arch,
> 
>> Index: include/lldb/Host/Host.h
>> ===================================================================
>> --- include/lldb/Host/Host.h	(revision 147560)
>> +++ include/lldb/Host/Host.h	(working copy)
>> @@ -355,7 +355,10 @@
>> 
>>     static Error
>>     LaunchProcess (ProcessLaunchInfo &launch_info);
>> -    
>> +
>> +    static lldb::DataBufferSP
>> +    GetAuxvData (lldb_private::Process *process);
>> +
>>     static lldb::TargetSP
>>     GetDummyTarget (Debugger &debugger);
>> 
>> Index: source/Plugins/Platform/Linux/PlatformLinux.h
>> ===================================================================
>> --- source/Plugins/Platform/Linux/PlatformLinux.h	(revision 147560)
>> +++ source/Plugins/Platform/Linux/PlatformLinux.h	(working copy)
>> @@ -104,6 +104,7 @@
>>         Attach(ProcessAttachInfo &attach_info, Debugger &debugger,
>>                Target *target, Listener &listener, Error &error);
>> 
>> +        // Linux processes can not be launched by spawning and attaching.
>>         virtual bool
>>         CanDebugProcess ()
>>         {
>> Index: source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp
>> ===================================================================
>> --- source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp	(revision 147560)
>> +++ source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp	(working copy)
>> @@ -27,16 +27,13 @@
>> Platform *
>> PlatformFreeBSD::CreateInstance ()
>> {
>> -    // The only time we create an instance is when we are creating a remote
>> -    // freebsd platform
>> -    const bool is_host = false;
>> -    return new PlatformFreeBSD (is_host);
>> +    return new PlatformFreeBSD (true);
>> }
>> 
>> const char *
>> PlatformFreeBSD::GetPluginNameStatic()
>> {
>> -    return "PlatformFreeBSD";
>> +    return "plugin.platform.freebsd";
>> }
>> 
>> const char *
>> @@ -66,7 +63,7 @@
>>     {
>> #if defined (__FreeBSD__)
>>         PlatformSP default_platform_sp (CreateInstance());
>> -        //default_platform_sp->SetSystemArchitecture (Host::GetArchitecture());
>> +        default_platform_sp->SetSystemArchitecture (Host::GetArchitecture());
>>         Platform::SetDefaultPlatform (default_platform_sp);
>> #endif
>>         PluginManager::RegisterPlugin(PlatformFreeBSD::GetShortPluginNameStatic(false),
>> @@ -79,7 +76,7 @@
>> void
>> PlatformFreeBSD::Terminate ()
>> {
>> -	PluginManager::UnregisterPlugin (PlatformFreeBSD::CreateInstance);
>> +    PluginManager::UnregisterPlugin (PlatformFreeBSD::CreateInstance);
>> }
>> 
>> //------------------------------------------------------------------
>> @@ -385,17 +382,16 @@
>> bool
>> PlatformFreeBSD::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info)
>> {
>> -    bool sucess = false;
>> +    bool success = false;
>>     if (IsHost())
>>     {
>> -        sucess = Platform::GetProcessInfo (pid, process_info);
>> +        success = Platform::GetProcessInfo (pid, process_info);
>>     }
>> -    else
>> +    else if (m_remote_platform_sp) 
>>     {
>> -        if (m_remote_platform_sp)
>> -            sucess = m_remote_platform_sp->GetProcessInfo (pid, process_info);
>> +        success = m_remote_platform_sp->GetProcessInfo (pid, process_info);
>>     }
>> -    return sucess;
>> +    return success;
>> }
>> 
>> 
>> @@ -438,11 +434,11 @@
>> }
>> 
>> lldb::ProcessSP
>> -PlatformFreeBSD::Attach(lldb::pid_t pid,
>> -                      Debugger &debugger,
>> -                      Target *target,
>> -                      Listener &listener,
>> -                      Error &error)
>> +PlatformFreeBSD::Attach(ProcessAttachInfo &attach_info,
>> +                        Debugger &debugger,
>> +                        Target *target,
>> +                        Listener &listener,
>> +                        Error &error)
>> {
>>     lldb::ProcessSP process_sp;
>>     if (IsHost())
>> @@ -457,6 +453,7 @@
>>                                                            emptyFileSpec,
>>                                                            emptyArchSpec,
>>                                                            false,
>> +                                                           m_remote_platform_sp,
>>                                                            new_target_sp);
>>             target = new_target_sp.get();
>>         }
>> @@ -472,13 +469,13 @@
>>             process_sp = target->CreateProcess (listener, "gdb-remote");
>> 
>>             if (process_sp)
>> -                error = process_sp->Attach (pid);
>> +                error = process_sp->Attach (attach_info);
>>         }
>>     }
>>     else
>>     {
>>         if (m_remote_platform_sp)
>> -            process_sp = m_remote_platform_sp->Attach (pid, debugger, target, listener, error);
>> +            process_sp = m_remote_platform_sp->Attach (attach_info, debugger, target, listener, error);
>>         else
>>             error.SetErrorString ("the platform is not currently connected");
>>     }
>> Index: source/Plugins/Platform/FreeBSD/PlatformFreeBSD.h
>> ===================================================================
>> --- source/Plugins/Platform/FreeBSD/PlatformFreeBSD.h	(revision 147560)
>> +++ source/Plugins/Platform/FreeBSD/PlatformFreeBSD.h	(working copy)
>> @@ -132,12 +132,16 @@
>>     LaunchProcess (lldb_private::ProcessLaunchInfo &launch_info);
>> 
>>     virtual lldb::ProcessSP
>> -    Attach(lldb::pid_t pid,
>> +    Attach(lldb_private::ProcessAttachInfo &attach_info,
>>            lldb_private::Debugger &debugger,
>>            lldb_private::Target *target,
>>            lldb_private::Listener &listener,
>>            lldb_private::Error &error);
>> 
>> +    // FreeBSD processes can not be launched by spawning and attaching.
>> +    virtual bool
>> +    CanDebugProcess () { return false; }
>> +
>>     // Only on PlatformMacOSX:
>>     virtual lldb_private::Error
>>     GetFile (const lldb_private::FileSpec &platform_file,
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/AuxVector.cpp
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/AuxVector.cpp	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/AuxVector.cpp	(working copy)
>> @@ -1,191 +0,0 @@
>> -//===-- AuxVector.cpp -------------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -// C Includes
>> -#include <fcntl.h>
>> -#include <sys/stat.h>
>> -#include <sys/types.h>
>> -
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -#include "lldb/Core/DataBufferHeap.h"
>> -#include "lldb/Core/DataExtractor.h"
>> -#include "lldb/Core/Log.h"
>> -#include "lldb/Target/Process.h"
>> -
>> -#include "AuxVector.h"
>> -
>> -using namespace lldb;
>> -using namespace lldb_private;
>> -
>> -static bool
>> -GetMaxU64(DataExtractor &data,
>> -          uint32_t *offset, uint64_t *value, unsigned int byte_size)
>> -{
>> -    uint32_t saved_offset = *offset;
>> -    *value = data.GetMaxU64(offset, byte_size);
>> -    return *offset != saved_offset;
>> -}
>> -
>> -static bool
>> -ParseAuxvEntry(DataExtractor &data, AuxVector::Entry &entry, 
>> -               uint32_t *offset, unsigned int byte_size)
>> -{
>> -    if (!GetMaxU64(data, offset, &entry.type, byte_size))
>> -        return false;
>> -
>> -    if (!GetMaxU64(data, offset, &entry.value, byte_size))
>> -        return false;
>> -
>> -    return true;
>> -}
>> -
>> -DataBufferSP
>> -AuxVector::GetAuxvData()
>> -{
>> -    static const size_t path_size = 128;
>> -    static char path[path_size];
>> -    DataBufferSP buf_sp;
>> -    int fd;
>> -
>> -    // Ideally, we would simply create a FileSpec and call ReadFileContents.
>> -    // However, files in procfs have zero size (since they are, in general,
>> -    // dynamically generated by the kernel) which is incompatible with the
>> -    // current ReadFileContents implementation.  Therefore we simply stream the
>> -    // data into a DataBuffer ourselves.
>> -    if (snprintf(path, path_size, "/proc/%d/auxv", m_process->GetID()) < 0)
>> -        return buf_sp;
>> -
>> -    if ((fd = open(path, O_RDONLY, 0)) < 0)
>> -        return buf_sp;
>> -
>> -    size_t bytes_read = 0;
>> -    std::auto_ptr<DataBufferHeap> buf_ap(new DataBufferHeap(1024, 0));
>> -    for (;;) 
>> -    {
>> -        size_t avail = buf_ap->GetByteSize() - bytes_read;
>> -        ssize_t status = read(fd, buf_ap->GetBytes() + bytes_read, avail);
>> -
>> -        if (status < 0) 
>> -            break;
>> -
>> -        bytes_read += status;
>> -
>> -        if (status == 0) 
>> -        {
>> -            buf_ap->SetByteSize(bytes_read);
>> -            buf_sp.reset(buf_ap.release());
>> -            break;
>> -        }
>> -
>> -        if (avail - status == 0)
>> -            buf_ap->SetByteSize(2 * buf_ap->GetByteSize());
>> -    }
>> -
>> -    return buf_sp;
>> -}
>> -
>> -void
>> -AuxVector::ParseAuxv(DataExtractor &data)
>> -{
>> -    const unsigned int byte_size  = m_process->GetAddressByteSize();
>> -    uint32_t offset = 0;
>> -
>> -    for (;;) 
>> -    {
>> -        Entry entry;
>> -
>> -        if (!ParseAuxvEntry(data, entry, &offset, byte_size))
>> -            break;
>> -
>> -        if (entry.type == AT_NULL)
>> -            break;
>> -
>> -        if (entry.type == AT_IGNORE)
>> -            continue;
>> -
>> -        m_auxv.push_back(entry);
>> -    }
>> -}
>> -
>> -AuxVector::AuxVector(Process *process)
>> -    : m_process(process)
>> -{
>> -    DataExtractor data;
>> -    LogSP log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
>> -
>> -    data.SetData(GetAuxvData());
>> -    data.SetByteOrder(m_process->GetByteOrder());
>> -    data.SetAddressByteSize(m_process->GetAddressByteSize());
>> -    
>> -    ParseAuxv(data);
>> -
>> -    if (log)
>> -        DumpToLog(log);
>> -}
>> -
>> -AuxVector::iterator 
>> -AuxVector::FindEntry(EntryType type) const
>> -{
>> -    for (iterator I = begin(); I != end(); ++I)
>> -    {
>> -        if (I->type == static_cast<uint64_t>(type))
>> -            return I;
>> -    }
>> -
>> -    return end();
>> -}
>> -
>> -void
>> -AuxVector::DumpToLog(LogSP log) const
>> -{
>> -    if (!log)
>> -        return;
>> -
>> -    log->PutCString("AuxVector: ");
>> -    for (iterator I = begin(); I != end(); ++I)
>> -    {
>> -        log->Printf("   %s [%d]: %lx", GetEntryName(*I), I->type, I->value);
>> -    }
>> -}
>> -
>> -const char *
>> -AuxVector::GetEntryName(EntryType type)
>> -{
>> -    const char *name;
>> -
>> -#define ENTRY_NAME(_type) _type: name = #_type
>> -    switch (type) 
>> -    {
>> -    default:
>> -        name = "unkown";
>> -        break;
>> -
>> -    case ENTRY_NAME(AT_NULL);   break;
>> -    case ENTRY_NAME(AT_IGNORE); break;
>> -    case ENTRY_NAME(AT_EXECFD); break;
>> -    case ENTRY_NAME(AT_PHDR);   break;
>> -    case ENTRY_NAME(AT_PHENT);  break;
>> -    case ENTRY_NAME(AT_PHNUM);  break;
>> -    case ENTRY_NAME(AT_PAGESZ); break;
>> -    case ENTRY_NAME(AT_BASE);   break;
>> -    case ENTRY_NAME(AT_FLAGS);  break;
>> -    case ENTRY_NAME(AT_ENTRY);  break;
>> -    case ENTRY_NAME(AT_NOTELF); break;
>> -    case ENTRY_NAME(AT_UID);    break;
>> -    case ENTRY_NAME(AT_EUID);   break;
>> -    case ENTRY_NAME(AT_GID);    break;
>> -    case ENTRY_NAME(AT_EGID);   break;
>> -    case ENTRY_NAME(AT_CLKTCK); break;
>> -    }
>> -#undef ENTRY_NAME
>> -
>> -    return name;
>> -}
>> -
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/DYLDRendezvous.cpp
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/DYLDRendezvous.cpp	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/DYLDRendezvous.cpp	(working copy)
>> @@ -1,322 +0,0 @@
>> -//===-- DYLDRendezvous.cpp --------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -#include "lldb/Core/ArchSpec.h"
>> -#include "lldb/Core/Error.h"
>> -#include "lldb/Core/Log.h"
>> -#include "lldb/Target/Process.h"
>> -#include "lldb/Target/Target.h"
>> -
>> -#include "DYLDRendezvous.h"
>> -
>> -using namespace lldb;
>> -using namespace lldb_private;
>> -
>> -/// Locates the address of the rendezvous structure.  Returns the address on
>> -/// success and LLDB_INVALID_ADDRESS on failure.
>> -static addr_t
>> -ResolveRendezvousAddress(Process *process)
>> -{
>> -    addr_t info_location;
>> -    addr_t info_addr;
>> -    Error error;
>> -    size_t size;
>> -
>> -    info_location = process->GetImageInfoAddress();
>> -
>> -    if (info_location == LLDB_INVALID_ADDRESS)
>> -        return LLDB_INVALID_ADDRESS;
>> -
>> -    info_addr = 0;
>> -    size = process->DoReadMemory(info_location, &info_addr,
>> -                                 process->GetAddressByteSize(), error);
>> -    if (size != process->GetAddressByteSize() || error.Fail())
>> -        return LLDB_INVALID_ADDRESS;
>> -
>> -    if (info_addr == 0)
>> -        return LLDB_INVALID_ADDRESS;
>> -
>> -    return info_addr;
>> -}
>> -
>> -DYLDRendezvous::DYLDRendezvous(Process *process)
>> -    : m_process(process),
>> -      m_rendezvous_addr(LLDB_INVALID_ADDRESS),
>> -      m_current(),
>> -      m_previous(),
>> -      m_soentries(),
>> -      m_added_soentries(),
>> -      m_removed_soentries()
>> -{
>> -}
>> -
>> -bool
>> -DYLDRendezvous::Resolve()
>> -{
>> -    const size_t word_size = 4;
>> -    Rendezvous info;
>> -    size_t address_size;
>> -    size_t padding;
>> -    addr_t info_addr;
>> -    addr_t cursor;
>> -
>> -    address_size = m_process->GetAddressByteSize();
>> -    padding = address_size - word_size;
>> -
>> -    if (m_rendezvous_addr == LLDB_INVALID_ADDRESS)
>> -        cursor = info_addr = ResolveRendezvousAddress(m_process);
>> -    else
>> -        cursor = info_addr = m_rendezvous_addr;
>> -    
>> -    if (cursor == LLDB_INVALID_ADDRESS)
>> -        return false;
>> -
>> -    if (!(cursor = ReadMemory(cursor, &info.version, word_size)))
>> -        return false;
>> -
>> -    if (!(cursor = ReadMemory(cursor + padding, &info.map_addr, address_size)))
>> -        return false;
>> -
>> -    if (!(cursor = ReadMemory(cursor, &info.brk, address_size)))
>> -        return false;
>> -
>> -    if (!(cursor = ReadMemory(cursor, &info.state, word_size)))
>> -        return false;
>> -
>> -    if (!(cursor = ReadMemory(cursor + padding, &info.ldbase, address_size)))
>> -        return false;
>> -
>> -    // The rendezvous was successfully read.  Update our internal state.
>> -    m_rendezvous_addr = info_addr;
>> -    m_previous = m_current;
>> -    m_current = info;
>> -
>> -    return UpdateSOEntries();
>> -}
>> -
>> -bool
>> -DYLDRendezvous::IsValid()
>> -{
>> -    return m_rendezvous_addr != LLDB_INVALID_ADDRESS;
>> -}
>> -
>> -bool
>> -DYLDRendezvous::UpdateSOEntries()
>> -{
>> -    SOEntry entry;
>> -
>> -    if (m_current.map_addr == 0)
>> -        return false;
>> -
>> -    // When the previous and current states are consistent this is the first
>> -    // time we have been asked to update.  Just take a snapshot of the currently
>> -    // loaded modules.
>> -    if (m_previous.state == eConsistent && m_current.state == eConsistent) 
>> -        return TakeSnapshot(m_soentries);
>> -
>> -    // If we are about to add or remove a shared object clear out the current
>> -    // state and take a snapshot of the currently loaded images.
>> -    if (m_current.state == eAdd || m_current.state == eDelete)
>> -    {
>> -        assert(m_previous.state == eConsistent);
>> -        m_soentries.clear();
>> -        m_added_soentries.clear();
>> -        m_removed_soentries.clear();
>> -        return TakeSnapshot(m_soentries);
>> -    }
>> -    assert(m_current.state == eConsistent);
>> -
>> -    // Otherwise check the previous state to determine what to expect and update
>> -    // accordingly.
>> -    if (m_previous.state == eAdd)
>> -        return UpdateSOEntriesForAddition();
>> -    else if (m_previous.state == eDelete)
>> -        return UpdateSOEntriesForDeletion();
>> -
>> -    return false;
>> -}
>> - 
>> -bool
>> -DYLDRendezvous::UpdateSOEntriesForAddition()
>> -{
>> -    SOEntry entry;
>> -    iterator pos;
>> -
>> -    assert(m_previous.state == eAdd);
>> -
>> -    if (m_current.map_addr == 0)
>> -        return false;
>> -
>> -    for (addr_t cursor = m_current.map_addr; cursor != 0; cursor = entry.next)
>> -    {
>> -        if (!ReadSOEntryFromMemory(cursor, entry))
>> -            return false;
>> -
>> -        if (entry.path.empty())
>> -            continue;
>> -
>> -        pos = std::find(m_soentries.begin(), m_soentries.end(), entry);
>> -        if (pos == m_soentries.end())
>> -        {
>> -            m_soentries.push_back(entry);
>> -            m_added_soentries.push_back(entry);
>> -        }
>> -    }
>> -
>> -    return true;
>> -}
>> -
>> -bool
>> -DYLDRendezvous::UpdateSOEntriesForDeletion()
>> -{
>> -    SOEntryList entry_list;
>> -    iterator pos;
>> -
>> -    assert(m_previous.state == eDelete);
>> -
>> -    if (!TakeSnapshot(entry_list))
>> -        return false;
>> -
>> -    for (iterator I = begin(); I != end(); ++I)
>> -    {
>> -        pos = std::find(entry_list.begin(), entry_list.end(), *I);
>> -        if (pos == entry_list.end())
>> -            m_removed_soentries.push_back(*I);
>> -    }
>> -
>> -    m_soentries = entry_list;
>> -    return true;
>> -}
>> -
>> -bool
>> -DYLDRendezvous::TakeSnapshot(SOEntryList &entry_list)
>> -{
>> -    SOEntry entry;
>> -
>> -    if (m_current.map_addr == 0)
>> -        return false;
>> -
>> -    for (addr_t cursor = m_current.map_addr; cursor != 0; cursor = entry.next)
>> -    {
>> -        if (!ReadSOEntryFromMemory(cursor, entry))
>> -            return false;
>> -
>> -        if (entry.path.empty())
>> -            continue;
>> -
>> -        entry_list.push_back(entry);
>> -    }
>> -
>> -    return true;
>> -}
>> -
>> -addr_t
>> -DYLDRendezvous::ReadMemory(addr_t addr, void *dst, size_t size)
>> -{
>> -    size_t bytes_read;
>> -    Error error;
>> -
>> -    bytes_read = m_process->DoReadMemory(addr, dst, size, error);
>> -    if (bytes_read != size || error.Fail())
>> -        return 0;
>> -
>> -    return addr + bytes_read;
>> -}
>> -
>> -std::string
>> -DYLDRendezvous::ReadStringFromMemory(addr_t addr)
>> -{
>> -    std::string str;
>> -    Error error;
>> -    size_t size;
>> -    char c;
>> -
>> -    if (addr == LLDB_INVALID_ADDRESS)
>> -        return std::string();
>> -
>> -    for (;;) {
>> -        size = m_process->DoReadMemory(addr, &c, 1, error);
>> -        if (size != 1 || error.Fail())
>> -            return std::string();
>> -        if (c == 0)
>> -            break;
>> -        else {
>> -            str.push_back(c);
>> -            addr++;
>> -        }
>> -    }
>> -
>> -    return str;
>> -}
>> -
>> -bool
>> -DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry)
>> -{
>> -    size_t address_size = m_process->GetAddressByteSize();
>> -
>> -    entry.clear();
>> -    
>> -    if (!(addr = ReadMemory(addr, &entry.base_addr, address_size)))
>> -        return false;
>> -    
>> -    if (!(addr = ReadMemory(addr, &entry.path_addr, address_size)))
>> -        return false;
>> -    
>> -    if (!(addr = ReadMemory(addr, &entry.dyn_addr, address_size)))
>> -        return false;
>> -    
>> -    if (!(addr = ReadMemory(addr, &entry.next, address_size)))
>> -        return false;
>> -    
>> -    if (!(addr = ReadMemory(addr, &entry.prev, address_size)))
>> -        return false;
>> -    
>> -    entry.path = ReadStringFromMemory(entry.path_addr);
>> -    
>> -    return true;
>> -}
>> -
>> -void
>> -DYLDRendezvous::DumpToLog(LogSP log) const
>> -{
>> -    int state = GetState();
>> -
>> -    if (!log)
>> -        return;
>> -
>> -    log->PutCString("DYLDRendezvous:");
>> -    log->Printf("   Address: %lx", GetRendezvousAddress());
>> -    log->Printf("   Version: %d",  GetVersion());
>> -    log->Printf("   Link   : %lx", GetLinkMapAddress());
>> -    log->Printf("   Break  : %lx", GetBreakAddress());
>> -    log->Printf("   LDBase : %lx", GetLDBase());
>> -    log->Printf("   State  : %s", 
>> -                (state == eConsistent) ? "consistent" :
>> -                (state == eAdd)        ? "add"        :
>> -                (state == eDelete)     ? "delete"     : "unknown");
>> -    
>> -    iterator I = begin();
>> -    iterator E = end();
>> -
>> -    if (I != E) 
>> -        log->PutCString("DYLDRendezvous SOEntries:");
>> -    
>> -    for (int i = 1; I != E; ++I, ++i) 
>> -    {
>> -        log->Printf("\n   SOEntry [%d] %s", i, I->path.c_str());
>> -        log->Printf("      Base : %lx", I->base_addr);
>> -        log->Printf("      Path : %lx", I->path_addr);
>> -        log->Printf("      Dyn  : %lx", I->dyn_addr);
>> -        log->Printf("      Next : %lx", I->next);
>> -        log->Printf("      Prev : %lx", I->prev);
>> -    }
>> -}
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/AuxVector.h
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/AuxVector.h	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/AuxVector.h	(working copy)
>> @@ -1,97 +0,0 @@
>> -//===-- AuxVector.h ---------------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_AuxVector_H_
>> -#define liblldb_AuxVector_H_
>> -
>> -// C Includes
>> -// C++ Includes
>> -#include <vector>
>> -
>> -// Other libraries and framework includes
>> -#include "lldb/lldb-forward-rtti.h"
>> -
>> -namespace lldb_private {
>> -class DataExtractor;
>> -} 
>> -
>> -/// @class AuxVector
>> -/// @brief Represents a processes auxiliary vector.
>> -///
>> -/// When a process is loaded on Linux a vector of values is placed onto the
>> -/// stack communicating operating system specific information.  On construction
>> -/// this class locates and parses this information and provides a simple
>> -/// read-only interface to the entries found.
>> -class AuxVector {
>> -
>> -public:
>> -    AuxVector(lldb_private::Process *process);
>> -
>> -    struct Entry {
>> -        uint64_t type;
>> -        uint64_t value;
>> -
>> -        Entry() : type(0), value(0) { }
>> -    };
>> -
>> -    /// Constants describing the type of entry.
>> -    enum EntryType {
>> -        AT_NULL   = 0,          ///< End of auxv.
>> -        AT_IGNORE = 1,          ///< Ignore entry.
>> -        AT_EXECFD = 2,          ///< File descriptor of program.
>> -        AT_PHDR   = 3,          ///< Program headers.
>> -        AT_PHENT  = 4,          ///< Size of program header.
>> -        AT_PHNUM  = 5,          ///< Number of program headers.
>> -        AT_PAGESZ = 6,          ///< Page size.
>> -        AT_BASE   = 7,          ///< Interpreter base address.
>> -        AT_FLAGS  = 8,          ///< Flags.
>> -        AT_ENTRY  = 9,          ///< Program entry point.
>> -        AT_NOTELF = 10,         ///< Set if program is not an ELF.
>> -        AT_UID    = 11,         ///< UID.
>> -        AT_EUID   = 12,         ///< Effective UID.
>> -        AT_GID    = 13,         ///< GID.
>> -        AT_EGID   = 14,         ///< Effective GID.
>> -        AT_CLKTCK = 17          ///< Clock frequency (e.g. times(2)).
>> -    };
>> -
>> -private:
>> -    typedef std::vector<Entry> EntryVector;
>> -
>> -public:
>> -    typedef EntryVector::const_iterator iterator;
>> -
>> -    iterator begin() const { return m_auxv.begin(); }
>> -    iterator end() const { return m_auxv.end(); }
>> -
>> -    iterator 
>> -    FindEntry(EntryType type) const;
>> -
>> -    static const char *
>> -    GetEntryName(const Entry &entry) { 
>> -        return GetEntryName(static_cast<EntryType>(entry.type)); 
>> -    }
>> -
>> -    static const char *
>> -    GetEntryName(EntryType type);
>> -
>> -    void
>> -    DumpToLog(lldb::LogSP log) const;
>> -
>> -private:
>> -    lldb_private::Process *m_process;
>> -    EntryVector m_auxv;
>> -
>> -    lldb::DataBufferSP
>> -    GetAuxvData();
>> -
>> -    void
>> -    ParseAuxv(lldb_private::DataExtractor &data);
>> -};
>> -
>> -#endif
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/DYLDRendezvous.h
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/DYLDRendezvous.h	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/DYLDRendezvous.h	(working copy)
>> @@ -1,227 +0,0 @@
>> -//===-- DYLDRendezvous.h ----------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_Rendezvous_H_
>> -#define liblldb_Rendezvous_H_
>> -
>> -// C Includes
>> -// C++ Includes
>> -#include <list>
>> -#include <string>
>> -
>> -// Other libraries and framework includes
>> -#include "lldb/lldb-defines.h"
>> -#include "lldb/lldb-types.h"
>> -
>> -namespace lldb_private {
>> -class Process;
>> -}
>> -
>> -/// @class DYLDRendezvous
>> -/// @brief Interface to the runtime linker.
>> -///
>> -/// A structure is present in a processes memory space which is updated by the
>> -/// runtime liker each time a module is loaded or unloaded.  This class provides
>> -/// an interface to this structure and maintains a consistent snapshot of the
>> -/// currently loaded modules.
>> -class DYLDRendezvous {
>> -
>> -    // This structure is used to hold the contents of the debug rendezvous
>> -    // information (struct r_debug) as found in the inferiors memory.  Note that
>> -    // the layout of this struct is not binary compatible, it is simply large
>> -    // enough to hold the information on both 32 and 64 bit platforms.
>> -    struct Rendezvous {
>> -        uint64_t     version;
>> -        lldb::addr_t map_addr;
>> -        lldb::addr_t brk;
>> -        uint64_t     state;
>> -        lldb::addr_t ldbase;
>> -
>> -        Rendezvous()
>> -            : version(0), map_addr(0), brk(0), state(0), ldbase(0) { }
>> -    };
>> -
>> -public:
>> -    DYLDRendezvous(lldb_private::Process *process);
>> -
>> -    /// Update the internal snapshot of runtime linker rendezvous and recompute
>> -    /// the currently loaded modules.
>> -    ///
>> -    /// This method should be called once one start up, then once each time the
>> -    /// runtime linker enters the function given by GetBreakAddress().
>> -    ///
>> -    /// @returns true on success and false on failure.
>> -    ///
>> -    /// @see GetBreakAddress().
>> -    bool 
>> -    Resolve();
>> -
>> -    /// @returns true if this rendezvous has been located in the inferiors
>> -    /// address space and false otherwise.
>> -    bool 
>> -    IsValid();
>> -
>> -    /// @returns the address of the rendezvous structure in the inferiors
>> -    /// address space.
>> -    lldb::addr_t
>> -    GetRendezvousAddress() const { return m_rendezvous_addr; }
>> -
>> -    /// @returns the version of the rendezvous protocol being used.
>> -    int
>> -    GetVersion() const { return m_current.version; }
>> -
>> -    /// @returns address in the inferiors address space containing the linked
>> -    /// list of shared object descriptors.
>> -    lldb::addr_t 
>> -    GetLinkMapAddress() const { return m_current.map_addr; }
>> -
>> -    /// A breakpoint should be set at this address and Resolve called on each
>> -    /// hit.
>> -    ///
>> -    /// @returns the address of a function called by the runtime linker each
>> -    /// time a module is loaded/unloaded, or about to be loaded/unloaded.
>> -    ///
>> -    /// @see Resolve()
>> -    lldb::addr_t
>> -    GetBreakAddress() const { return m_current.brk; }
>> -
>> -    /// Returns the current state of the rendezvous structure.
>> -    int
>> -    GetState() const { return m_current.state; }
>> -
>> -    /// @returns the base address of the runtime linker in the inferiors address
>> -    /// space.
>> -    lldb::addr_t
>> -    GetLDBase() const { return m_current.ldbase; }
>> -
>> -    /// @returns true if modules have been loaded into the inferior since the
>> -    /// last call to Resolve().
>> -    bool
>> -    ModulesDidLoad() const { return !m_added_soentries.empty(); }
>> -
>> -    /// @returns true if modules have been unloaded from the inferior since the
>> -    /// last call to Resolve().
>> -    bool
>> -    ModulesDidUnload() const { return !m_removed_soentries.empty(); }
>> -
>> -    void
>> -    DumpToLog(lldb::LogSP log) const;
>> -
>> -    /// @brief Constants describing the state of the rendezvous.
>> -    ///
>> -    /// @see GetState().
>> -    enum RendezvousState {
>> -        eConsistent,
>> -        eAdd,
>> -        eDelete
>> -    };
>> -
>> -    /// @brief Structure representing the shared objects currently loaded into
>> -    /// the inferior process.
>> -    ///
>> -    /// This object is a rough analogue to the struct link_map object which
>> -    /// actually lives in the inferiors memory.
>> -    struct SOEntry {
>> -        lldb::addr_t base_addr; ///< Base address of the loaded object.
>> -        lldb::addr_t path_addr; ///< String naming the shared object.
>> -        lldb::addr_t dyn_addr;  ///< Dynamic section of shared object.
>> -        lldb::addr_t next;      ///< Address of next so_entry.
>> -        lldb::addr_t prev;      ///< Address of previous so_entry.
>> -        std::string  path;      ///< File name of shared object.
>> -
>> -        SOEntry() { clear(); }
>> -
>> -        bool operator ==(const SOEntry &entry) {
>> -            return this->path == entry.path;
>> -        }
>> -
>> -        void clear() {
>> -            base_addr = 0;
>> -            path_addr = 0;
>> -            dyn_addr  = 0;
>> -            next = 0;
>> -            prev = 0;
>> -            path.clear();
>> -        }
>> -    };
>> -
>> -protected:
>> -    typedef std::list<SOEntry> SOEntryList;
>> -
>> -public:
>> -    typedef SOEntryList::const_iterator iterator;
>> -
>> -    /// Iterators over all currently loaded modules.
>> -    iterator begin() const { return m_soentries.begin(); }
>> -    iterator end() const { return m_soentries.end(); }
>> -
>> -    /// Iterators over all modules loaded into the inferior since the last call
>> -    /// to Resolve().
>> -    iterator loaded_begin() const { return m_added_soentries.begin(); }
>> -    iterator loaded_end() const { return m_added_soentries.end(); }
>> -
>> -    /// Iterators over all modules unloaded from the inferior since the last
>> -    /// call to Resolve().
>> -    iterator unloaded_begin() const { return m_removed_soentries.begin(); }
>> -    iterator unloaded_end() const { return m_removed_soentries.end(); }
>> -    
>> -protected:
>> -    lldb_private::Process *m_process;
>> -
>> -    /// Location of the r_debug structure in the inferiors address space.
>> -    lldb::addr_t m_rendezvous_addr;
>> -
>> -    /// Current and previous snapshots of the rendezvous structure.
>> -    Rendezvous m_current;
>> -    Rendezvous m_previous;
>> -
>> -    /// List of SOEntry objects corresponding to the current link map state.
>> -    SOEntryList m_soentries;
>> -
>> -    /// List of SOEntry's added to the link map since the last call to Resolve().
>> -    SOEntryList m_added_soentries;
>> -
>> -    /// List of SOEntry's removed from the link map since the last call to
>> -    /// Resolve().
>> -    SOEntryList m_removed_soentries;
>> -
>> -    /// Reads @p size bytes from the inferiors address space starting at @p
>> -    /// addr.
>> -    ///
>> -    /// @returns addr + size if the read was successful and false otherwise.
>> -    lldb::addr_t
>> -    ReadMemory(lldb::addr_t addr, void *dst, size_t size);
>> -
>> -    /// Reads a null-terminated C string from the memory location starting at @p
>> -    /// addr.
>> -    std::string
>> -    ReadStringFromMemory(lldb::addr_t addr);
>> -
>> -    /// Reads an SOEntry starting at @p addr.
>> -    bool
>> -    ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry);
>> -
>> -    /// Updates the current set of SOEntries, the set of added entries, and the
>> -    /// set of removed entries.
>> -    bool
>> -    UpdateSOEntries();
>> -
>> -    bool
>> -    UpdateSOEntriesForAddition();
>> -
>> -    bool
>> -    UpdateSOEntriesForDeletion();
>> -
>> -    /// Reads the current list of shared objects according to the link map
>> -    /// supplied by the runtime linker.
>> -    bool
>> -    TakeSnapshot(SOEntryList &entry_list);
>> -};
>> -
>> -#endif
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.cpp
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.cpp	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.cpp	(working copy)
>> @@ -1,423 +0,0 @@
>> -//===-- DynamicLoaderLinux.h ------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -#include "lldb/Core/PluginManager.h"
>> -#include "lldb/Core/Log.h"
>> -#include "lldb/Target/Process.h"
>> -#include "lldb/Target/Target.h"
>> -#include "lldb/Target/Thread.h"
>> -#include "lldb/Target/ThreadPlanRunToAddress.h"
>> -
>> -#include "AuxVector.h"
>> -#include "DynamicLoaderLinuxDYLD.h"
>> -
>> -using namespace lldb;
>> -using namespace lldb_private;
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::Initialize()
>> -{
>> -    PluginManager::RegisterPlugin(GetPluginNameStatic(),
>> -                                  GetPluginDescriptionStatic(),
>> -                                  CreateInstance);
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::Terminate()
>> -{
>> -}
>> -
>> -const char *
>> -DynamicLoaderLinuxDYLD::GetPluginName()
>> -{
>> -    return "DynamicLoaderLinuxDYLD";
>> -}
>> -
>> -const char *
>> -DynamicLoaderLinuxDYLD::GetShortPluginName()
>> -{
>> -    return "linux-dyld";
>> -}
>> -
>> -const char *
>> -DynamicLoaderLinuxDYLD::GetPluginNameStatic()
>> -{
>> -    return "dynamic-loader.linux-dyld";
>> -}
>> -
>> -const char *
>> -DynamicLoaderLinuxDYLD::GetPluginDescriptionStatic()
>> -{
>> -    return "Dynamic loader plug-in that watches for shared library "
>> -           "loads/unloads in Linux processes.";
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::GetPluginCommandHelp(const char *command, Stream *strm)
>> -{
>> -}
>> -
>> -uint32_t
>> -DynamicLoaderLinuxDYLD::GetPluginVersion()
>> -{
>> -    return 1;
>> -}
>> -
>> -DynamicLoader *
>> -DynamicLoaderLinuxDYLD::CreateInstance(Process *process, bool force)
>> -{
>> -    bool create = force;
>> -    if (!create)
>> -    {
>> -        const llvm::Triple &triple_ref = process->GetTarget().GetArchitecture().GetTriple();
>> -        if (triple_ref.getOS() == llvm::Triple::Linux)
>> -            create = true;
>> -    }
>> -    
>> -    if (create)
>> -        return new DynamicLoaderLinuxDYLD (process);
>> -    return NULL;
>> -}
>> -
>> -DynamicLoaderLinuxDYLD::DynamicLoaderLinuxDYLD(Process *process)
>> -    : DynamicLoader(process),
>> -      m_rendezvous(process),
>> -      m_load_offset(LLDB_INVALID_ADDRESS),
>> -      m_entry_point(LLDB_INVALID_ADDRESS),
>> -      m_auxv(NULL)
>> -{
>> -}
>> -
>> -DynamicLoaderLinuxDYLD::~DynamicLoaderLinuxDYLD()
>> -{
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::DidAttach()
>> -{
>> -    ModuleSP executable;
>> -    addr_t load_offset;
>> -
>> -    m_auxv.reset(new AuxVector(m_process));
>> -
>> -    executable = m_process->GetTarget().GetExecutableModule();
>> -    load_offset = ComputeLoadOffset();
>> -
>> -    if (executable.get() && load_offset != LLDB_INVALID_ADDRESS)
>> -    {
>> -        ModuleList module_list;
>> -        module_list.Append(executable);
>> -        UpdateLoadedSections(executable, load_offset);
>> -        m_process->GetTarget().ModulesDidLoad(module_list);
>> -    }
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::DidLaunch()
>> -{
>> -    ModuleSP executable;
>> -    addr_t load_offset;
>> -
>> -    m_auxv.reset(new AuxVector(m_process));
>> -
>> -    executable = m_process->GetTarget().GetExecutableModule();
>> -    load_offset = ComputeLoadOffset();
>> -
>> -    if (executable.get() && load_offset != LLDB_INVALID_ADDRESS)
>> -    {
>> -        ModuleList module_list;
>> -        module_list.Append(executable);
>> -        UpdateLoadedSections(executable, load_offset);
>> -        ProbeEntry();
>> -        m_process->GetTarget().ModulesDidLoad(module_list);
>> -    }
>> -}
>> -
>> -Error
>> -DynamicLoaderLinuxDYLD::ExecutePluginCommand(Args &command, Stream *strm)
>> -{
>> -    return Error();
>> -}
>> -
>> -Log *
>> -DynamicLoaderLinuxDYLD::EnablePluginLogging(Stream *strm, Args &command)
>> -{
>> -    return NULL;
>> -}
>> -
>> -Error
>> -DynamicLoaderLinuxDYLD::CanLoadImage()
>> -{
>> -    return Error();
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::UpdateLoadedSections(ModuleSP module, addr_t base_addr)
>> -{
>> -    ObjectFile *obj_file = module->GetObjectFile();
>> -    SectionList *sections = obj_file->GetSectionList();
>> -    SectionLoadList &load_list = m_process->GetTarget().GetSectionLoadList();
>> -    const size_t num_sections = sections->GetSize();
>> -
>> -    for (unsigned i = 0; i < num_sections; ++i)
>> -    {
>> -        Section *section = sections->GetSectionAtIndex(i).get();
>> -        lldb::addr_t new_load_addr = section->GetFileAddress() + base_addr;
>> -        lldb::addr_t old_load_addr = load_list.GetSectionLoadAddress(section);
>> -
>> -        // If the file address of the section is zero then this is not an
>> -        // allocatable/loadable section (property of ELF sh_addr).  Skip it.
>> -        if (new_load_addr == base_addr)
>> -            continue;
>> -
>> -        if (old_load_addr == LLDB_INVALID_ADDRESS ||
>> -            old_load_addr != new_load_addr)
>> -            load_list.SetSectionLoadAddress(section, new_load_addr);
>> -    }
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::ProbeEntry()
>> -{
>> -    Breakpoint *entry_break;
>> -    addr_t entry;
>> -
>> -    if ((entry = GetEntryPoint()) == LLDB_INVALID_ADDRESS)
>> -        return;
>> -    
>> -    entry_break = m_process->GetTarget().CreateBreakpoint(entry, true).get();
>> -    entry_break->SetCallback(EntryBreakpointHit, this, true);
>> -}
>> -
>> -// The runtime linker has run and initialized the rendezvous structure once the
>> -// process has hit its entry point.  When we hit the corresponding breakpoint we
>> -// interrogate the rendezvous structure to get the load addresses of all
>> -// dependent modules for the process.  Similarly, we can discover the runtime
>> -// linker function and setup a breakpoint to notify us of any dynamically loaded
>> -// modules (via dlopen).
>> -bool
>> -DynamicLoaderLinuxDYLD::EntryBreakpointHit(void *baton, 
>> -                                           StoppointCallbackContext *context, 
>> -                                           user_id_t break_id, 
>> -                                           user_id_t break_loc_id)
>> -{
>> -    DynamicLoaderLinuxDYLD* dyld_instance;
>> -
>> -    dyld_instance = static_cast<DynamicLoaderLinuxDYLD*>(baton);
>> -    dyld_instance->LoadAllCurrentModules();
>> -    dyld_instance->SetRendezvousBreakpoint();
>> -    return false; // Continue running.
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::SetRendezvousBreakpoint()
>> -{
>> -    Breakpoint *dyld_break;
>> -    addr_t break_addr;
>> -
>> -    break_addr = m_rendezvous.GetBreakAddress();
>> -    dyld_break = m_process->GetTarget().CreateBreakpoint(break_addr, true).get();
>> -    dyld_break->SetCallback(RendezvousBreakpointHit, this, true);
>> -}
>> -
>> -bool
>> -DynamicLoaderLinuxDYLD::RendezvousBreakpointHit(void *baton, 
>> -                                                StoppointCallbackContext *context, 
>> -                                                user_id_t break_id, 
>> -                                                user_id_t break_loc_id)
>> -{
>> -    DynamicLoaderLinuxDYLD* dyld_instance;
>> -
>> -    dyld_instance = static_cast<DynamicLoaderLinuxDYLD*>(baton);
>> -    dyld_instance->RefreshModules();
>> -
>> -    // Return true to stop the target, false to just let the target run.
>> -    return dyld_instance->GetStopWhenImagesChange();
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::RefreshModules()
>> -{
>> -    if (!m_rendezvous.Resolve())
>> -        return;
>> -
>> -    DYLDRendezvous::iterator I;
>> -    DYLDRendezvous::iterator E;
>> -
>> -    ModuleList &loaded_modules = m_process->GetTarget().GetImages();
>> -
>> -    if (m_rendezvous.ModulesDidLoad()) 
>> -    {
>> -        ModuleList new_modules;
>> -
>> -        E = m_rendezvous.loaded_end();
>> -        for (I = m_rendezvous.loaded_begin(); I != E; ++I)
>> -        {
>> -            FileSpec file(I->path.c_str(), true);
>> -            ModuleSP module_sp = LoadModuleAtAddress(file, I->base_addr);
>> -            if (module_sp.get())
>> -                new_modules.Append(module_sp);
>> -        }
>> -        m_process->GetTarget().ModulesDidLoad(new_modules);
>> -    }
>> -    
>> -    if (m_rendezvous.ModulesDidUnload())
>> -    {
>> -        ModuleList old_modules;
>> -
>> -        E = m_rendezvous.unloaded_end();
>> -        for (I = m_rendezvous.unloaded_begin(); I != E; ++I)
>> -        {
>> -            FileSpec file(I->path.c_str(), true);
>> -            ModuleSP module_sp = 
>> -                loaded_modules.FindFirstModuleForFileSpec(file, NULL, NULL);
>> -            if (module_sp.get())
>> -                old_modules.Append(module_sp);
>> -        }
>> -        m_process->GetTarget().ModulesDidUnload(old_modules);
>> -    }
>> -}
>> -
>> -ThreadPlanSP
>> -DynamicLoaderLinuxDYLD::GetStepThroughTrampolinePlan(Thread &thread, bool stop)
>> -{
>> -    LogSP log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
>> -    ThreadPlanSP thread_plan_sp;
>> -
>> -    StackFrame *frame = thread.GetStackFrameAtIndex(0).get();
>> -    const SymbolContext &context = frame->GetSymbolContext(eSymbolContextSymbol);
>> -    Symbol *sym = context.symbol;
>> -
>> -    if (sym == NULL || !sym->IsTrampoline())
>> -        return thread_plan_sp;
>> -
>> -    const ConstString &sym_name = sym->GetMangled().GetName(Mangled::ePreferMangled);
>> -    if (!sym_name)
>> -        return thread_plan_sp;
>> -
>> -    SymbolContextList target_symbols;
>> -    Target &target = thread.GetProcess().GetTarget();
>> -    ModuleList &images = target.GetImages();
>> -
>> -    images.FindSymbolsWithNameAndType(sym_name, eSymbolTypeCode, target_symbols);
>> -    size_t num_targets = target_symbols.GetSize();
>> -    if (!num_targets)
>> -        return thread_plan_sp;
>> -
>> -    typedef std::vector<lldb::addr_t> AddressVector;
>> -    AddressVector addrs;
>> -    for (size_t i = 0; i < num_targets; ++i)
>> -    {
>> -        SymbolContext context;
>> -        AddressRange range;
>> -        if (target_symbols.GetContextAtIndex(i, context))
>> -        {
>> -            context.GetAddressRange(eSymbolContextEverything, 0, false, range);
>> -            lldb::addr_t addr = range.GetBaseAddress().GetLoadAddress(&target);
>> -            if (addr != LLDB_INVALID_ADDRESS)
>> -                addrs.push_back(addr);
>> -        }
>> -    }
>> -
>> -    if (addrs.size() > 0) 
>> -    {
>> -        AddressVector::iterator start = addrs.begin();
>> -        AddressVector::iterator end = addrs.end();
>> -
>> -        std::sort(start, end);
>> -        addrs.erase(std::unique(start, end), end);
>> -        thread_plan_sp.reset(new ThreadPlanRunToAddress(thread, addrs, stop));
>> -    }
>> -
>> -    return thread_plan_sp;
>> -}
>> -
>> -void
>> -DynamicLoaderLinuxDYLD::LoadAllCurrentModules()
>> -{
>> -    DYLDRendezvous::iterator I;
>> -    DYLDRendezvous::iterator E;
>> -    ModuleList module_list;
>> -    
>> -    if (!m_rendezvous.Resolve())
>> -        return;
>> -
>> -    for (I = m_rendezvous.begin(), E = m_rendezvous.end(); I != E; ++I)
>> -    {
>> -        FileSpec file(I->path.c_str(), false);
>> -        ModuleSP module_sp = LoadModuleAtAddress(file, I->base_addr);
>> -        if (module_sp.get())
>> -            module_list.Append(module_sp);
>> -    }
>> -
>> -    m_process->GetTarget().ModulesDidLoad(module_list);
>> -}
>> -
>> -ModuleSP
>> -DynamicLoaderLinuxDYLD::LoadModuleAtAddress(const FileSpec &file, addr_t base_addr)
>> -{
>> -    Target &target = m_process->GetTarget();
>> -    ModuleList &modules = target.GetImages();
>> -    ModuleSP module_sp;
>> -
>> -    if ((module_sp = modules.FindFirstModuleForFileSpec(file, NULL, NULL))) 
>> -    {
>> -        UpdateLoadedSections(module_sp, base_addr);
>> -    }
>> -    else if ((module_sp = target.GetSharedModule(file, target.GetArchitecture()))) 
>> -    {
>> -        UpdateLoadedSections(module_sp, base_addr);
>> -        modules.Append(module_sp);
>> -    }
>> -
>> -    return module_sp;
>> -}
>> -
>> -addr_t
>> -DynamicLoaderLinuxDYLD::ComputeLoadOffset()
>> -{
>> -    addr_t virt_entry;
>> -
>> -    if (m_load_offset != LLDB_INVALID_ADDRESS)
>> -        return m_load_offset;
>> -
>> -    if ((virt_entry = GetEntryPoint()) == LLDB_INVALID_ADDRESS)
>> -        return LLDB_INVALID_ADDRESS;
>> -
>> -    ModuleSP module = m_process->GetTarget().GetExecutableModule();
>> -    ObjectFile *exe = module->GetObjectFile();
>> -    Address file_entry = exe->GetEntryPointAddress();
>> -
>> -    if (!file_entry.IsValid())
>> -        return LLDB_INVALID_ADDRESS;
>> -            
>> -    m_load_offset = virt_entry - file_entry.GetFileAddress();
>> -    return m_load_offset;
>> -}
>> -
>> -addr_t
>> -DynamicLoaderLinuxDYLD::GetEntryPoint()
>> -{
>> -    if (m_entry_point != LLDB_INVALID_ADDRESS)
>> -        return m_entry_point;
>> -
>> -    if (m_auxv.get() == NULL)
>> -        return LLDB_INVALID_ADDRESS;
>> -
>> -    AuxVector::iterator I = m_auxv->FindEntry(AuxVector::AT_ENTRY);
>> -
>> -    if (I == m_auxv->end())
>> -        return LLDB_INVALID_ADDRESS;
>> -
>> -    m_entry_point = static_cast<addr_t>(I->value);
>> -    return m_entry_point;
>> -}
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/Makefile
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/Makefile	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/Makefile	(working copy)
>> @@ -1,14 +0,0 @@
>> -##===- source/Plugins/DynamicLoader/Linux-DYLD/Makefile ----*- Makefile -*-===##
>> -# 
>> -#                     The LLVM Compiler Infrastructure
>> -#
>> -# This file is distributed under the University of Illinois Open Source
>> -# License. See LICENSE.TXT for details.
>> -# 
>> -##===----------------------------------------------------------------------===##
>> -
>> -LLDB_LEVEL := ../../../..
>> -LIBRARYNAME := lldbPluginDynamicLoaderLinux
>> -BUILD_ARCHIVE = 1
>> -
>> -include $(LLDB_LEVEL)/Makefile
>> Index: source/Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.h
>> ===================================================================
>> --- source/Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.h	(revision 147560)
>> +++ source/Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.h	(working copy)
>> @@ -1,165 +0,0 @@
>> -//===-- DynamicLoaderLinux.h ------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_DynamicLoaderLinux_H_
>> -#define liblldb_DynamicLoaderLinux_H_
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -#include "lldb/Breakpoint/StoppointCallbackContext.h"
>> -#include "lldb/Target/DynamicLoader.h"
>> -
>> -#include "DYLDRendezvous.h"
>> -
>> -class AuxVector;
>> -
>> -class DynamicLoaderLinuxDYLD : public lldb_private::DynamicLoader
>> -{
>> -public:
>> -
>> -    static void
>> -    Initialize();
>> -
>> -    static void
>> -    Terminate();
>> -
>> -    static const char *
>> -    GetPluginNameStatic();
>> -
>> -    static const char *
>> -    GetPluginDescriptionStatic();
>> -
>> -    static lldb_private::DynamicLoader *
>> -    CreateInstance(lldb_private::Process *process, bool force);
>> -
>> -    DynamicLoaderLinuxDYLD(lldb_private::Process *process);
>> -
>> -    virtual
>> -    ~DynamicLoaderLinuxDYLD();
>> -
>> -    //------------------------------------------------------------------
>> -    // DynamicLoader protocol
>> -    //------------------------------------------------------------------
>> -
>> -    virtual void
>> -    DidAttach();
>> -
>> -    virtual void
>> -    DidLaunch();
>> -
>> -    virtual lldb::ThreadPlanSP
>> -    GetStepThroughTrampolinePlan(lldb_private::Thread &thread,
>> -                                 bool stop_others);
>> -
>> -    virtual lldb_private::Error
>> -    CanLoadImage();
>> -
>> -    //------------------------------------------------------------------
>> -    // PluginInterface protocol
>> -    //------------------------------------------------------------------
>> -    virtual const char *
>> -    GetPluginName();
>> -
>> -    virtual const char *
>> -    GetShortPluginName();
>> -
>> -    virtual uint32_t
>> -    GetPluginVersion();
>> -
>> -    virtual void
>> -    GetPluginCommandHelp(const char *command, lldb_private::Stream *strm);
>> -
>> -    virtual lldb_private::Error
>> -    ExecutePluginCommand(lldb_private::Args &command, lldb_private::Stream *strm);
>> -
>> -    virtual lldb_private::Log *
>> -    EnablePluginLogging(lldb_private::Stream *strm, lldb_private::Args &command);
>> -
>> -protected:
>> -    /// Runtime linker rendezvous structure.
>> -    DYLDRendezvous m_rendezvous;
>> -
>> -    /// Virtual load address of the inferior process.
>> -    lldb::addr_t m_load_offset;
>> -
>> -    /// Virtual entry address of the inferior process.
>> -    lldb::addr_t m_entry_point;
>> -
>> -    /// Auxiliary vector of the inferior process.
>> -    std::auto_ptr<AuxVector> m_auxv;
>> -
>> -    /// Enables a breakpoint on a function called by the runtime
>> -    /// linker each time a module is loaded or unloaded.
>> -    void
>> -    SetRendezvousBreakpoint();
>> -
>> -    /// Callback routine which updates the current list of loaded modules based
>> -    /// on the information supplied by the runtime linker.
>> -    static bool
>> -    RendezvousBreakpointHit(void *baton, 
>> -                            lldb_private::StoppointCallbackContext *context, 
>> -                            lldb::user_id_t break_id, 
>> -                            lldb::user_id_t break_loc_id);
>> -    
>> -    /// Helper method for RendezvousBreakpointHit.  Updates LLDB's current set
>> -    /// of loaded modules.
>> -    void
>> -    RefreshModules();
>> -
>> -    /// Updates the load address of every allocatable section in @p module.
>> -    ///
>> -    /// @param module The module to traverse.
>> -    ///
>> -    /// @param base_addr The virtual base address @p module is loaded at.
>> -    void
>> -    UpdateLoadedSections(lldb::ModuleSP module, 
>> -                         lldb::addr_t base_addr = 0);
>> -
>> -    /// Locates or creates a module given by @p file and updates/loads the
>> -    /// resulting module at the virtual base address @p base_addr.
>> -    lldb::ModuleSP
>> -    LoadModuleAtAddress(const lldb_private::FileSpec &file, lldb::addr_t base_addr);
>> -
>> -    /// Resolves the entry point for the current inferior process and sets a
>> -    /// breakpoint at that address.
>> -    void
>> -    ProbeEntry();
>> -
>> -    /// Callback routine invoked when we hit the breakpoint on process entry.
>> -    ///
>> -    /// This routine is responsible for resolving the load addresses of all
>> -    /// dependent modules required by the inferior and setting up the rendezvous
>> -    /// breakpoint.
>> -    static bool
>> -    EntryBreakpointHit(void *baton, 
>> -                       lldb_private::StoppointCallbackContext *context, 
>> -                       lldb::user_id_t break_id, 
>> -                       lldb::user_id_t break_loc_id);
>> -
>> -    /// Helper for the entry breakpoint callback.  Resolves the load addresses
>> -    /// of all dependent modules.
>> -    void
>> -    LoadAllCurrentModules();
>> -
>> -    /// Computes a value for m_load_offset returning the computed address on
>> -    /// success and LLDB_INVALID_ADDRESS on failure.
>> -    lldb::addr_t
>> -    ComputeLoadOffset();
>> -
>> -    /// Computes a value for m_entry_point returning the computed address on
>> -    /// success and LLDB_INVALID_ADDRESS on failure.
>> -    lldb::addr_t
>> -    GetEntryPoint();
>> -
>> -private:
>> -    DISALLOW_COPY_AND_ASSIGN(DynamicLoaderLinuxDYLD);
>> -};
>> -
>> -#endif  // liblldb_DynamicLoaderLinuxDYLD_H_
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h	(revision 0)
>> @@ -0,0 +1,165 @@
>> +//===-- DynamicLoaderPOSIX.h ------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_DynamicLoaderPOSIX_H_
>> +#define liblldb_DynamicLoaderPOSIX_H_
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Breakpoint/StoppointCallbackContext.h"
>> +#include "lldb/Target/DynamicLoader.h"
>> +
>> +#include "DYLDRendezvous.h"
>> +
>> +class AuxVector;
>> +
>> +class DynamicLoaderPOSIXDYLD : public lldb_private::DynamicLoader
>> +{
>> +public:
>> +
>> +    static void
>> +    Initialize();
>> +
>> +    static void
>> +    Terminate();
>> +
>> +    static const char *
>> +    GetPluginNameStatic();
>> +
>> +    static const char *
>> +    GetPluginDescriptionStatic();
>> +
>> +    static lldb_private::DynamicLoader *
>> +    CreateInstance(lldb_private::Process *process, bool force);
>> +
>> +    DynamicLoaderPOSIXDYLD(lldb_private::Process *process);
>> +
>> +    virtual
>> +    ~DynamicLoaderPOSIXDYLD();
>> +
>> +    //------------------------------------------------------------------
>> +    // DynamicLoader protocol
>> +    //------------------------------------------------------------------
>> +
>> +    virtual void
>> +    DidAttach();
>> +
>> +    virtual void
>> +    DidLaunch();
>> +
>> +    virtual lldb::ThreadPlanSP
>> +    GetStepThroughTrampolinePlan(lldb_private::Thread &thread,
>> +                                 bool stop_others);
>> +
>> +    virtual lldb_private::Error
>> +    CanLoadImage();
>> +
>> +    //------------------------------------------------------------------
>> +    // PluginInterface protocol
>> +    //------------------------------------------------------------------
>> +    virtual const char *
>> +    GetPluginName();
>> +
>> +    virtual const char *
>> +    GetShortPluginName();
>> +
>> +    virtual uint32_t
>> +    GetPluginVersion();
>> +
>> +    virtual void
>> +    GetPluginCommandHelp(const char *command, lldb_private::Stream *strm);
>> +
>> +    virtual lldb_private::Error
>> +    ExecutePluginCommand(lldb_private::Args &command, lldb_private::Stream *strm);
>> +
>> +    virtual lldb_private::Log *
>> +    EnablePluginLogging(lldb_private::Stream *strm, lldb_private::Args &command);
>> +
>> +protected:
>> +    /// Runtime linker rendezvous structure.
>> +    DYLDRendezvous m_rendezvous;
>> +
>> +    /// Virtual load address of the inferior process.
>> +    lldb::addr_t m_load_offset;
>> +
>> +    /// Virtual entry address of the inferior process.
>> +    lldb::addr_t m_entry_point;
>> +
>> +    /// Auxiliary vector of the inferior process.
>> +    std::auto_ptr<AuxVector> m_auxv;
>> +
>> +    /// Enables a breakpoint on a function called by the runtime
>> +    /// linker each time a module is loaded or unloaded.
>> +    void
>> +    SetRendezvousBreakpoint();
>> +
>> +    /// Callback routine which updates the current list of loaded modules based
>> +    /// on the information supplied by the runtime linker.
>> +    static bool
>> +    RendezvousBreakpointHit(void *baton, 
>> +                            lldb_private::StoppointCallbackContext *context, 
>> +                            lldb::user_id_t break_id, 
>> +                            lldb::user_id_t break_loc_id);
>> +    
>> +    /// Helper method for RendezvousBreakpointHit.  Updates LLDB's current set
>> +    /// of loaded modules.
>> +    void
>> +    RefreshModules();
>> +
>> +    /// Updates the load address of every allocatable section in @p module.
>> +    ///
>> +    /// @param module The module to traverse.
>> +    ///
>> +    /// @param base_addr The virtual base address @p module is loaded at.
>> +    void
>> +    UpdateLoadedSections(lldb::ModuleSP module, 
>> +                         lldb::addr_t base_addr = 0);
>> +
>> +    /// Locates or creates a module given by @p file and updates/loads the
>> +    /// resulting module at the virtual base address @p base_addr.
>> +    lldb::ModuleSP
>> +    LoadModuleAtAddress(const lldb_private::FileSpec &file, lldb::addr_t base_addr);
>> +
>> +    /// Resolves the entry point for the current inferior process and sets a
>> +    /// breakpoint at that address.
>> +    void
>> +    ProbeEntry();
>> +
>> +    /// Callback routine invoked when we hit the breakpoint on process entry.
>> +    ///
>> +    /// This routine is responsible for resolving the load addresses of all
>> +    /// dependent modules required by the inferior and setting up the rendezvous
>> +    /// breakpoint.
>> +    static bool
>> +    EntryBreakpointHit(void *baton, 
>> +                       lldb_private::StoppointCallbackContext *context, 
>> +                       lldb::user_id_t break_id, 
>> +                       lldb::user_id_t break_loc_id);
>> +
>> +    /// Helper for the entry breakpoint callback.  Resolves the load addresses
>> +    /// of all dependent modules.
>> +    void
>> +    LoadAllCurrentModules();
>> +
>> +    /// Computes a value for m_load_offset returning the computed address on
>> +    /// success and LLDB_INVALID_ADDRESS on failure.
>> +    lldb::addr_t
>> +    ComputeLoadOffset();
>> +
>> +    /// Computes a value for m_entry_point returning the computed address on
>> +    /// success and LLDB_INVALID_ADDRESS on failure.
>> +    lldb::addr_t
>> +    GetEntryPoint();
>> +
>> +private:
>> +    DISALLOW_COPY_AND_ASSIGN(DynamicLoaderPOSIXDYLD);
>> +};
>> +
>> +#endif  // liblldb_DynamicLoaderPOSIXDYLD_H_
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp	(revision 0)
>> @@ -0,0 +1,153 @@
>> +//===-- AuxVector.cpp -------------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +#include <fcntl.h>
>> +#include <sys/stat.h>
>> +#include <sys/types.h>
>> +
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Core/DataBufferHeap.h"
>> +#include "lldb/Core/DataExtractor.h"
>> +#include "lldb/Core/Log.h"
>> +#include "lldb/Target/Process.h"
>> +
>> +#include "AuxVector.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +static bool
>> +GetMaxU64(DataExtractor &data,
>> +          uint32_t *offset, uint64_t *value, unsigned int byte_size)
>> +{
>> +    uint32_t saved_offset = *offset;
>> +    *value = data.GetMaxU64(offset, byte_size);
>> +    return *offset != saved_offset;
>> +}
>> +
>> +static bool
>> +ParseAuxvEntry(DataExtractor &data, AuxVector::Entry &entry, 
>> +               uint32_t *offset, unsigned int byte_size)
>> +{
>> +    if (!GetMaxU64(data, offset, &entry.type, byte_size))
>> +        return false;
>> +
>> +    if (!GetMaxU64(data, offset, &entry.value, byte_size))
>> +        return false;
>> +
>> +    return true;
>> +}
>> +
>> +DataBufferSP
>> +AuxVector::GetAuxvData()
>> +{
>> +
>> +    return lldb_private::Host::GetAuxvData(m_process);
>> +}
>> +
>> +void
>> +AuxVector::ParseAuxv(DataExtractor &data)
>> +{
>> +    const unsigned int byte_size  = m_process->GetAddressByteSize();
>> +    uint32_t offset = 0;
>> +
>> +    for (;;) 
>> +    {
>> +        Entry entry;
>> +
>> +        if (!ParseAuxvEntry(data, entry, &offset, byte_size))
>> +            break;
>> +
>> +        if (entry.type == AT_NULL)
>> +            break;
>> +
>> +        if (entry.type == AT_IGNORE)
>> +            continue;
>> +
>> +        m_auxv.push_back(entry);
>> +    }
>> +}
>> +
>> +AuxVector::AuxVector(Process *process)
>> +    : m_process(process)
>> +{
>> +    DataExtractor data;
>> +    LogSP log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
>> +
>> +    data.SetData(GetAuxvData());
>> +    data.SetByteOrder(m_process->GetByteOrder());
>> +    data.SetAddressByteSize(m_process->GetAddressByteSize());
>> +    
>> +    ParseAuxv(data);
>> +
>> +    if (log)
>> +        DumpToLog(log);
>> +}
>> +
>> +AuxVector::iterator 
>> +AuxVector::FindEntry(EntryType type) const
>> +{
>> +    for (iterator I = begin(); I != end(); ++I)
>> +    {
>> +        if (I->type == static_cast<uint64_t>(type))
>> +            return I;
>> +    }
>> +
>> +    return end();
>> +}
>> +
>> +void
>> +AuxVector::DumpToLog(LogSP log) const
>> +{
>> +    if (!log)
>> +        return;
>> +
>> +    log->PutCString("AuxVector: ");
>> +    for (iterator I = begin(); I != end(); ++I)
>> +    {
>> +        log->Printf("   %s [%d]: %lx", GetEntryName(*I), I->type, I->value);
>> +    }
>> +}
>> +
>> +const char *
>> +AuxVector::GetEntryName(EntryType type)
>> +{
>> +    const char *name;
>> +
>> +#define ENTRY_NAME(_type) _type: name = #_type
>> +    switch (type) 
>> +    {
>> +    default:
>> +        name = "unkown";
>> +        break;
>> +
>> +    case ENTRY_NAME(AT_NULL);   break;
>> +    case ENTRY_NAME(AT_IGNORE); break;
>> +    case ENTRY_NAME(AT_EXECFD); break;
>> +    case ENTRY_NAME(AT_PHDR);   break;
>> +    case ENTRY_NAME(AT_PHENT);  break;
>> +    case ENTRY_NAME(AT_PHNUM);  break;
>> +    case ENTRY_NAME(AT_PAGESZ); break;
>> +    case ENTRY_NAME(AT_BASE);   break;
>> +    case ENTRY_NAME(AT_FLAGS);  break;
>> +    case ENTRY_NAME(AT_ENTRY);  break;
>> +    case ENTRY_NAME(AT_NOTELF); break;
>> +    case ENTRY_NAME(AT_UID);    break;
>> +    case ENTRY_NAME(AT_EUID);   break;
>> +    case ENTRY_NAME(AT_GID);    break;
>> +    case ENTRY_NAME(AT_EGID);   break;
>> +    case ENTRY_NAME(AT_CLKTCK); break;
>> +    }
>> +#undef ENTRY_NAME
>> +
>> +    return name;
>> +}
>> +
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp	(revision 0)
>> @@ -0,0 +1,330 @@
>> +//===-- DYLDRendezvous.cpp --------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Core/ArchSpec.h"
>> +#include "lldb/Core/Error.h"
>> +#include "lldb/Core/Log.h"
>> +#include "lldb/Target/Process.h"
>> +#include "lldb/Target/Target.h"
>> +
>> +#include "DYLDRendezvous.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +/// Locates the address of the rendezvous structure.  Returns the address on
>> +/// success and LLDB_INVALID_ADDRESS on failure.
>> +static addr_t
>> +ResolveRendezvousAddress(Process *process)
>> +{
>> +    addr_t info_location;
>> +    addr_t info_addr;
>> +    Error error;
>> +    size_t size;
>> +
>> +    info_location = process->GetImageInfoAddress();
>> +
>> +    if (info_location == LLDB_INVALID_ADDRESS)
>> +        return LLDB_INVALID_ADDRESS;
>> +
>> +    info_addr = 0;
>> +    size = process->DoReadMemory(info_location, &info_addr,
>> +                                 process->GetAddressByteSize(), error);
>> +    if (size != process->GetAddressByteSize() || error.Fail())
>> +        return LLDB_INVALID_ADDRESS;
>> +
>> +    if (info_addr == 0)
>> +        return LLDB_INVALID_ADDRESS;
>> +
>> +    return info_addr;
>> +}
>> +
>> +DYLDRendezvous::DYLDRendezvous(Process *process)
>> +    : m_process(process),
>> +      m_rendezvous_addr(LLDB_INVALID_ADDRESS),
>> +      m_current(),
>> +      m_previous(),
>> +      m_soentries(),
>> +      m_added_soentries(),
>> +      m_removed_soentries()
>> +{
>> +    // Cache a copy of the executable path
>> +    m_process->GetTarget().GetExecutableModule().get()->GetFileSpec().GetPath(m_exe_path, PATH_MAX);
>> +}
>> +
>> +bool
>> +DYLDRendezvous::Resolve()
>> +{
>> +    const size_t word_size = 4;
>> +    Rendezvous info;
>> +    size_t address_size;
>> +    size_t padding;
>> +    addr_t info_addr;
>> +    addr_t cursor;
>> +
>> +    address_size = m_process->GetAddressByteSize();
>> +    padding = address_size - word_size;
>> +
>> +    if (m_rendezvous_addr == LLDB_INVALID_ADDRESS)
>> +        cursor = info_addr = ResolveRendezvousAddress(m_process);
>> +    else
>> +        cursor = info_addr = m_rendezvous_addr;
>> +    
>> +    if (cursor == LLDB_INVALID_ADDRESS)
>> +        return false;
>> +
>> +    if (!(cursor = ReadMemory(cursor, &info.version, word_size)))
>> +        return false;
>> +
>> +    if (!(cursor = ReadMemory(cursor + padding, &info.map_addr, address_size)))
>> +        return false;
>> +
>> +    if (!(cursor = ReadMemory(cursor, &info.brk, address_size)))
>> +        return false;
>> +
>> +    if (!(cursor = ReadMemory(cursor, &info.state, word_size)))
>> +        return false;
>> +
>> +    if (!(cursor = ReadMemory(cursor + padding, &info.ldbase, address_size)))
>> +        return false;
>> +
>> +    // The rendezvous was successfully read.  Update our internal state.
>> +    m_rendezvous_addr = info_addr;
>> +    m_previous = m_current;
>> +    m_current = info;
>> +
>> +    return UpdateSOEntries();
>> +}
>> +
>> +bool
>> +DYLDRendezvous::IsValid()
>> +{
>> +    return m_rendezvous_addr != LLDB_INVALID_ADDRESS;
>> +}
>> +
>> +bool
>> +DYLDRendezvous::UpdateSOEntries()
>> +{
>> +    SOEntry entry;
>> +
>> +    if (m_current.map_addr == 0)
>> +        return false;
>> +
>> +    // When the previous and current states are consistent this is the first
>> +    // time we have been asked to update.  Just take a snapshot of the currently
>> +    // loaded modules.
>> +    if (m_previous.state == eConsistent && m_current.state == eConsistent) 
>> +        return TakeSnapshot(m_soentries);
>> +
>> +    // If we are about to add or remove a shared object clear out the current
>> +    // state and take a snapshot of the currently loaded images.
>> +    if (m_current.state == eAdd || m_current.state == eDelete)
>> +    {
>> +        assert(m_previous.state == eConsistent);
>> +        m_soentries.clear();
>> +        m_added_soentries.clear();
>> +        m_removed_soentries.clear();
>> +        return TakeSnapshot(m_soentries);
>> +    }
>> +    assert(m_current.state == eConsistent);
>> +
>> +    // Otherwise check the previous state to determine what to expect and update
>> +    // accordingly.
>> +    if (m_previous.state == eAdd)
>> +        return UpdateSOEntriesForAddition();
>> +    else if (m_previous.state == eDelete)
>> +        return UpdateSOEntriesForDeletion();
>> +
>> +    return false;
>> +}
>> + 
>> +bool
>> +DYLDRendezvous::UpdateSOEntriesForAddition()
>> +{
>> +    SOEntry entry;
>> +    iterator pos;
>> +
>> +    assert(m_previous.state == eAdd);
>> +
>> +    if (m_current.map_addr == 0)
>> +        return false;
>> +
>> +    for (addr_t cursor = m_current.map_addr; cursor != 0; cursor = entry.next)
>> +    {
>> +        if (!ReadSOEntryFromMemory(cursor, entry))
>> +            return false;
>> +
>> +        // Only add shared libraries and not the executable.
>> +        // On Linux this is indicated by an empty path in the entry.
>> +        // On FreeBSD it is the name of the executable.
>> +        if (entry.path.empty() || ::strcmp(entry.path.c_str(), m_exe_path) == 0)
>> +            continue;
>> +
>> +        pos = std::find(m_soentries.begin(), m_soentries.end(), entry);
>> +        if (pos == m_soentries.end())
>> +        {
>> +            m_soentries.push_back(entry);
>> +            m_added_soentries.push_back(entry);
>> +        }
>> +    }
>> +
>> +    return true;
>> +}
>> +
>> +bool
>> +DYLDRendezvous::UpdateSOEntriesForDeletion()
>> +{
>> +    SOEntryList entry_list;
>> +    iterator pos;
>> +
>> +    assert(m_previous.state == eDelete);
>> +
>> +    if (!TakeSnapshot(entry_list))
>> +        return false;
>> +
>> +    for (iterator I = begin(); I != end(); ++I)
>> +    {
>> +        pos = std::find(entry_list.begin(), entry_list.end(), *I);
>> +        if (pos == entry_list.end())
>> +            m_removed_soentries.push_back(*I);
>> +    }
>> +
>> +    m_soentries = entry_list;
>> +    return true;
>> +}
>> +
>> +bool
>> +DYLDRendezvous::TakeSnapshot(SOEntryList &entry_list)
>> +{
>> +    SOEntry entry;
>> +
>> +    if (m_current.map_addr == 0)
>> +        return false;
>> +
>> +    for (addr_t cursor = m_current.map_addr; cursor != 0; cursor = entry.next)
>> +    {
>> +        if (!ReadSOEntryFromMemory(cursor, entry))
>> +            return false;
>> +
>> +        // Only add shared libraries and not the executable.
>> +        // On Linux this is indicated by an empty path in the entry.
>> +        // On FreeBSD it is the name of the executable.
>> +        if (entry.path.empty() || ::strcmp(entry.path.c_str(), m_exe_path) == 0)
>> +            continue;
>> +
>> +        entry_list.push_back(entry);
>> +    }
>> +
>> +    return true;
>> +}
>> +
>> +addr_t
>> +DYLDRendezvous::ReadMemory(addr_t addr, void *dst, size_t size)
>> +{
>> +    size_t bytes_read;
>> +    Error error;
>> +
>> +    bytes_read = m_process->DoReadMemory(addr, dst, size, error);
>> +    if (bytes_read != size || error.Fail())
>> +        return 0;
>> +
>> +    return addr + bytes_read;
>> +}
>> +
>> +std::string
>> +DYLDRendezvous::ReadStringFromMemory(addr_t addr)
>> +{
>> +    std::string str;
>> +    Error error;
>> +    size_t size;
>> +    char c;
>> +
>> +    if (addr == LLDB_INVALID_ADDRESS)
>> +        return std::string();
>> +
>> +    for (;;) {
>> +        size = m_process->DoReadMemory(addr, &c, 1, error);
>> +        if (size != 1 || error.Fail())
>> +            return std::string();
>> +        if (c == 0)
>> +            break;
>> +        else {
>> +            str.push_back(c);
>> +            addr++;
>> +        }
>> +    }
>> +
>> +    return str;
>> +}
>> +
>> +bool
>> +DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry)
>> +{
>> +    size_t address_size = m_process->GetAddressByteSize();
>> +
>> +    entry.clear();
>> +    
>> +    if (!(addr = ReadMemory(addr, &entry.base_addr, address_size)))
>> +        return false;
>> +    
>> +    if (!(addr = ReadMemory(addr, &entry.path_addr, address_size)))
>> +        return false;
>> +    
>> +    if (!(addr = ReadMemory(addr, &entry.dyn_addr, address_size)))
>> +        return false;
>> +    
>> +    if (!(addr = ReadMemory(addr, &entry.next, address_size)))
>> +        return false;
>> +    
>> +    if (!(addr = ReadMemory(addr, &entry.prev, address_size)))
>> +        return false;
>> +    
>> +    entry.path = ReadStringFromMemory(entry.path_addr);
>> +    
>> +    return true;
>> +}
>> +
>> +void
>> +DYLDRendezvous::DumpToLog(LogSP log) const
>> +{
>> +    int state = GetState();
>> +
>> +    if (!log)
>> +        return;
>> +
>> +    log->PutCString("DYLDRendezvous:");
>> +    log->Printf("   Address: %lx", GetRendezvousAddress());
>> +    log->Printf("   Version: %d",  GetVersion());
>> +    log->Printf("   Link   : %lx", GetLinkMapAddress());
>> +    log->Printf("   Break  : %lx", GetBreakAddress());
>> +    log->Printf("   LDBase : %lx", GetLDBase());
>> +    log->Printf("   State  : %s", 
>> +                (state == eConsistent) ? "consistent" :
>> +                (state == eAdd)        ? "add"        :
>> +                (state == eDelete)     ? "delete"     : "unknown");
>> +    
>> +    iterator I = begin();
>> +    iterator E = end();
>> +
>> +    if (I != E) 
>> +        log->PutCString("DYLDRendezvous SOEntries:");
>> +    
>> +    for (int i = 1; I != E; ++I, ++i) 
>> +    {
>> +        log->Printf("\n   SOEntry [%d] %s", i, I->path.c_str());
>> +        log->Printf("      Base : %lx", I->base_addr);
>> +        log->Printf("      Path : %lx", I->path_addr);
>> +        log->Printf("      Dyn  : %lx", I->dyn_addr);
>> +        log->Printf("      Next : %lx", I->next);
>> +        log->Printf("      Prev : %lx", I->prev);
>> +    }
>> +}
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h	(revision 0)
>> @@ -0,0 +1,97 @@
>> +//===-- AuxVector.h ---------------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_AuxVector_H_
>> +#define liblldb_AuxVector_H_
>> +
>> +// C Includes
>> +// C++ Includes
>> +#include <vector>
>> +
>> +// Other libraries and framework includes
>> +#include "lldb/lldb-forward-rtti.h"
>> +
>> +namespace lldb_private {
>> +class DataExtractor;
>> +} 
>> +
>> +/// @class AuxVector
>> +/// @brief Represents a processes auxiliary vector.
>> +///
>> +/// When a process is loaded on Linux a vector of values is placed onto the
>> +/// stack communicating operating system specific information.  On construction
>> +/// this class locates and parses this information and provides a simple
>> +/// read-only interface to the entries found.
>> +class AuxVector {
>> +
>> +public:
>> +    AuxVector(lldb_private::Process *process);
>> +
>> +    struct Entry {
>> +        uint64_t type;
>> +        uint64_t value;
>> +
>> +        Entry() : type(0), value(0) { }
>> +    };
>> +
>> +    /// Constants describing the type of entry.
>> +    enum EntryType {
>> +        AT_NULL   = 0,          ///< End of auxv.
>> +        AT_IGNORE = 1,          ///< Ignore entry.
>> +        AT_EXECFD = 2,          ///< File descriptor of program.
>> +        AT_PHDR   = 3,          ///< Program headers.
>> +        AT_PHENT  = 4,          ///< Size of program header.
>> +        AT_PHNUM  = 5,          ///< Number of program headers.
>> +        AT_PAGESZ = 6,          ///< Page size.
>> +        AT_BASE   = 7,          ///< Interpreter base address.
>> +        AT_FLAGS  = 8,          ///< Flags.
>> +        AT_ENTRY  = 9,          ///< Program entry point.
>> +        AT_NOTELF = 10,         ///< Set if program is not an ELF.
>> +        AT_UID    = 11,         ///< UID.
>> +        AT_EUID   = 12,         ///< Effective UID.
>> +        AT_GID    = 13,         ///< GID.
>> +        AT_EGID   = 14,         ///< Effective GID.
>> +        AT_CLKTCK = 17          ///< Clock frequency (e.g. times(2)).
>> +    };
>> +
>> +private:
>> +    typedef std::vector<Entry> EntryVector;
>> +
>> +public:
>> +    typedef EntryVector::const_iterator iterator;
>> +
>> +    iterator begin() const { return m_auxv.begin(); }
>> +    iterator end() const { return m_auxv.end(); }
>> +
>> +    iterator 
>> +    FindEntry(EntryType type) const;
>> +
>> +    static const char *
>> +    GetEntryName(const Entry &entry) { 
>> +        return GetEntryName(static_cast<EntryType>(entry.type)); 
>> +    }
>> +
>> +    static const char *
>> +    GetEntryName(EntryType type);
>> +
>> +    void
>> +    DumpToLog(lldb::LogSP log) const;
>> +
>> +private:
>> +    lldb_private::Process *m_process;
>> +    EntryVector m_auxv;
>> +
>> +    lldb::DataBufferSP
>> +    GetAuxvData();
>> +
>> +    void
>> +    ParseAuxv(lldb_private::DataExtractor &data);
>> +};
>> +
>> +#endif
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h	(revision 0)
>> @@ -0,0 +1,230 @@
>> +//===-- DYLDRendezvous.h ----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_Rendezvous_H_
>> +#define liblldb_Rendezvous_H_
>> +
>> +// C Includes
>> +// C++ Includes
>> +#include <list>
>> +#include <string>
>> +
>> +// Other libraries and framework includes
>> +#include "lldb/lldb-defines.h"
>> +#include "lldb/lldb-types.h"
>> +
>> +namespace lldb_private {
>> +class Process;
>> +}
>> +
>> +/// @class DYLDRendezvous
>> +/// @brief Interface to the runtime linker.
>> +///
>> +/// A structure is present in a processes memory space which is updated by the
>> +/// runtime liker each time a module is loaded or unloaded.  This class provides
>> +/// an interface to this structure and maintains a consistent snapshot of the
>> +/// currently loaded modules.
>> +class DYLDRendezvous {
>> +
>> +    // This structure is used to hold the contents of the debug rendezvous
>> +    // information (struct r_debug) as found in the inferiors memory.  Note that
>> +    // the layout of this struct is not binary compatible, it is simply large
>> +    // enough to hold the information on both 32 and 64 bit platforms.
>> +    struct Rendezvous {
>> +        uint64_t     version;
>> +        lldb::addr_t map_addr;
>> +        lldb::addr_t brk;
>> +        uint64_t     state;
>> +        lldb::addr_t ldbase;
>> +
>> +        Rendezvous()
>> +            : version(0), map_addr(0), brk(0), state(0), ldbase(0) { }
>> +    };
>> +
>> +public:
>> +    DYLDRendezvous(lldb_private::Process *process);
>> +
>> +    /// Update the internal snapshot of runtime linker rendezvous and recompute
>> +    /// the currently loaded modules.
>> +    ///
>> +    /// This method should be called once one start up, then once each time the
>> +    /// runtime linker enters the function given by GetBreakAddress().
>> +    ///
>> +    /// @returns true on success and false on failure.
>> +    ///
>> +    /// @see GetBreakAddress().
>> +    bool 
>> +    Resolve();
>> +
>> +    /// @returns true if this rendezvous has been located in the inferiors
>> +    /// address space and false otherwise.
>> +    bool 
>> +    IsValid();
>> +
>> +    /// @returns the address of the rendezvous structure in the inferiors
>> +    /// address space.
>> +    lldb::addr_t
>> +    GetRendezvousAddress() const { return m_rendezvous_addr; }
>> +
>> +    /// @returns the version of the rendezvous protocol being used.
>> +    int
>> +    GetVersion() const { return m_current.version; }
>> +
>> +    /// @returns address in the inferiors address space containing the linked
>> +    /// list of shared object descriptors.
>> +    lldb::addr_t 
>> +    GetLinkMapAddress() const { return m_current.map_addr; }
>> +
>> +    /// A breakpoint should be set at this address and Resolve called on each
>> +    /// hit.
>> +    ///
>> +    /// @returns the address of a function called by the runtime linker each
>> +    /// time a module is loaded/unloaded, or about to be loaded/unloaded.
>> +    ///
>> +    /// @see Resolve()
>> +    lldb::addr_t
>> +    GetBreakAddress() const { return m_current.brk; }
>> +
>> +    /// Returns the current state of the rendezvous structure.
>> +    int
>> +    GetState() const { return m_current.state; }
>> +
>> +    /// @returns the base address of the runtime linker in the inferiors address
>> +    /// space.
>> +    lldb::addr_t
>> +    GetLDBase() const { return m_current.ldbase; }
>> +
>> +    /// @returns true if modules have been loaded into the inferior since the
>> +    /// last call to Resolve().
>> +    bool
>> +    ModulesDidLoad() const { return !m_added_soentries.empty(); }
>> +
>> +    /// @returns true if modules have been unloaded from the inferior since the
>> +    /// last call to Resolve().
>> +    bool
>> +    ModulesDidUnload() const { return !m_removed_soentries.empty(); }
>> +
>> +    void
>> +    DumpToLog(lldb::LogSP log) const;
>> +
>> +    /// @brief Constants describing the state of the rendezvous.
>> +    ///
>> +    /// @see GetState().
>> +    enum RendezvousState {
>> +        eConsistent,
>> +        eAdd,
>> +        eDelete
>> +    };
>> +
>> +    /// @brief Structure representing the shared objects currently loaded into
>> +    /// the inferior process.
>> +    ///
>> +    /// This object is a rough analogue to the struct link_map object which
>> +    /// actually lives in the inferiors memory.
>> +    struct SOEntry {
>> +        lldb::addr_t base_addr; ///< Base address of the loaded object.
>> +        lldb::addr_t path_addr; ///< String naming the shared object.
>> +        lldb::addr_t dyn_addr;  ///< Dynamic section of shared object.
>> +        lldb::addr_t next;      ///< Address of next so_entry.
>> +        lldb::addr_t prev;      ///< Address of previous so_entry.
>> +        std::string  path;      ///< File name of shared object.
>> +
>> +        SOEntry() { clear(); }
>> +
>> +        bool operator ==(const SOEntry &entry) {
>> +            return this->path == entry.path;
>> +        }
>> +
>> +        void clear() {
>> +            base_addr = 0;
>> +            path_addr = 0;
>> +            dyn_addr  = 0;
>> +            next = 0;
>> +            prev = 0;
>> +            path.clear();
>> +        }
>> +    };
>> +
>> +protected:
>> +    typedef std::list<SOEntry> SOEntryList;
>> +
>> +public:
>> +    typedef SOEntryList::const_iterator iterator;
>> +
>> +    /// Iterators over all currently loaded modules.
>> +    iterator begin() const { return m_soentries.begin(); }
>> +    iterator end() const { return m_soentries.end(); }
>> +
>> +    /// Iterators over all modules loaded into the inferior since the last call
>> +    /// to Resolve().
>> +    iterator loaded_begin() const { return m_added_soentries.begin(); }
>> +    iterator loaded_end() const { return m_added_soentries.end(); }
>> +
>> +    /// Iterators over all modules unloaded from the inferior since the last
>> +    /// call to Resolve().
>> +    iterator unloaded_begin() const { return m_removed_soentries.begin(); }
>> +    iterator unloaded_end() const { return m_removed_soentries.end(); }
>> +    
>> +protected:
>> +    lldb_private::Process *m_process;
>> +
>> +    // Cached copy of executable pathname
>> +    char m_exe_path[PATH_MAX];
>> +
>> +    /// Location of the r_debug structure in the inferiors address space.
>> +    lldb::addr_t m_rendezvous_addr;
>> +
>> +    /// Current and previous snapshots of the rendezvous structure.
>> +    Rendezvous m_current;
>> +    Rendezvous m_previous;
>> +
>> +    /// List of SOEntry objects corresponding to the current link map state.
>> +    SOEntryList m_soentries;
>> +
>> +    /// List of SOEntry's added to the link map since the last call to Resolve().
>> +    SOEntryList m_added_soentries;
>> +
>> +    /// List of SOEntry's removed from the link map since the last call to
>> +    /// Resolve().
>> +    SOEntryList m_removed_soentries;
>> +
>> +    /// Reads @p size bytes from the inferiors address space starting at @p
>> +    /// addr.
>> +    ///
>> +    /// @returns addr + size if the read was successful and false otherwise.
>> +    lldb::addr_t
>> +    ReadMemory(lldb::addr_t addr, void *dst, size_t size);
>> +
>> +    /// Reads a null-terminated C string from the memory location starting at @p
>> +    /// addr.
>> +    std::string
>> +    ReadStringFromMemory(lldb::addr_t addr);
>> +
>> +    /// Reads an SOEntry starting at @p addr.
>> +    bool
>> +    ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry);
>> +
>> +    /// Updates the current set of SOEntries, the set of added entries, and the
>> +    /// set of removed entries.
>> +    bool
>> +    UpdateSOEntries();
>> +
>> +    bool
>> +    UpdateSOEntriesForAddition();
>> +
>> +    bool
>> +    UpdateSOEntriesForDeletion();
>> +
>> +    /// Reads the current list of shared objects according to the link map
>> +    /// supplied by the runtime linker.
>> +    bool
>> +    TakeSnapshot(SOEntryList &entry_list);
>> +};
>> +
>> +#endif
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp	(revision 0)
>> @@ -0,0 +1,425 @@
>> +//===-- DynamicLoaderPOSIX.h ------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Core/PluginManager.h"
>> +#include "lldb/Core/Log.h"
>> +#include "lldb/Target/Process.h"
>> +#include "lldb/Target/Target.h"
>> +#include "lldb/Target/Thread.h"
>> +#include "lldb/Target/ThreadPlanRunToAddress.h"
>> +
>> +#include "AuxVector.h"
>> +#include "DynamicLoaderPOSIXDYLD.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::Initialize()
>> +{
>> +    PluginManager::RegisterPlugin(GetPluginNameStatic(),
>> +                                  GetPluginDescriptionStatic(),
>> +                                  CreateInstance);
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::Terminate()
>> +{
>> +}
>> +
>> +const char *
>> +DynamicLoaderPOSIXDYLD::GetPluginName()
>> +{
>> +    return "DynamicLoaderPOSIXDYLD";
>> +}
>> +
>> +const char *
>> +DynamicLoaderPOSIXDYLD::GetShortPluginName()
>> +{
>> +    return "linux-dyld";
>> +}
>> +
>> +const char *
>> +DynamicLoaderPOSIXDYLD::GetPluginNameStatic()
>> +{
>> +    return "dynamic-loader.linux-dyld";
>> +}
>> +
>> +const char *
>> +DynamicLoaderPOSIXDYLD::GetPluginDescriptionStatic()
>> +{
>> +    return "Dynamic loader plug-in that watches for shared library "
>> +           "loads/unloads in POSIX processes.";
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::GetPluginCommandHelp(const char *command, Stream *strm)
>> +{
>> +}
>> +
>> +uint32_t
>> +DynamicLoaderPOSIXDYLD::GetPluginVersion()
>> +{
>> +    return 1;
>> +}
>> +
>> +DynamicLoader *
>> +DynamicLoaderPOSIXDYLD::CreateInstance(Process *process, bool force)
>> +{
>> +    bool create = force;
>> +    if (!create)
>> +    {
>> +        const llvm::Triple &triple_ref = process->GetTarget().GetArchitecture().GetTriple();
>> +        if (triple_ref.getOS() == llvm::Triple::Linux ||
>> +            triple_ref.getOS() == llvm::Triple::FreeBSD)
>> +            create = true;
>> +    }
>> +    
>> +    if (create)
>> +        return new DynamicLoaderPOSIXDYLD (process);
>> +    return NULL;
>> +}
>> +
>> +DynamicLoaderPOSIXDYLD::DynamicLoaderPOSIXDYLD(Process *process)
>> +    : DynamicLoader(process),
>> +      m_rendezvous(process),
>> +      m_load_offset(LLDB_INVALID_ADDRESS),
>> +      m_entry_point(LLDB_INVALID_ADDRESS),
>> +      m_auxv(NULL)
>> +{
>> +}
>> +
>> +DynamicLoaderPOSIXDYLD::~DynamicLoaderPOSIXDYLD()
>> +{
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::DidAttach()
>> +{
>> +    ModuleSP executable;
>> +    addr_t load_offset;
>> +
>> +    m_auxv.reset(new AuxVector(m_process));
>> +
>> +    executable = m_process->GetTarget().GetExecutableModule();
>> +    load_offset = ComputeLoadOffset();
>> +
>> +    if (executable.get() && load_offset != LLDB_INVALID_ADDRESS)
>> +    {
>> +        ModuleList module_list;
>> +        module_list.Append(executable);
>> +        UpdateLoadedSections(executable, load_offset);
>> +        LoadAllCurrentModules();
>> +        m_process->GetTarget().ModulesDidLoad(module_list);
>> +    }
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::DidLaunch()
>> +{
>> +    ModuleSP executable;
>> +    addr_t load_offset;
>> +
>> +    m_auxv.reset(new AuxVector(m_process));
>> +
>> +    executable = m_process->GetTarget().GetExecutableModule();
>> +    load_offset = ComputeLoadOffset();
>> +
>> +    if (executable.get() && load_offset != LLDB_INVALID_ADDRESS)
>> +    {
>> +        ModuleList module_list;
>> +        module_list.Append(executable);
>> +        UpdateLoadedSections(executable, load_offset);
>> +        ProbeEntry();
>> +        m_process->GetTarget().ModulesDidLoad(module_list);
>> +    }
>> +}
>> +
>> +Error
>> +DynamicLoaderPOSIXDYLD::ExecutePluginCommand(Args &command, Stream *strm)
>> +{
>> +    return Error();
>> +}
>> +
>> +Log *
>> +DynamicLoaderPOSIXDYLD::EnablePluginLogging(Stream *strm, Args &command)
>> +{
>> +    return NULL;
>> +}
>> +
>> +Error
>> +DynamicLoaderPOSIXDYLD::CanLoadImage()
>> +{
>> +    return Error();
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::UpdateLoadedSections(ModuleSP module, addr_t base_addr)
>> +{
>> +    ObjectFile *obj_file = module->GetObjectFile();
>> +    SectionList *sections = obj_file->GetSectionList();
>> +    SectionLoadList &load_list = m_process->GetTarget().GetSectionLoadList();
>> +    const size_t num_sections = sections->GetSize();
>> +
>> +    for (unsigned i = 0; i < num_sections; ++i)
>> +    {
>> +        Section *section = sections->GetSectionAtIndex(i).get();
>> +        lldb::addr_t new_load_addr = section->GetFileAddress() + base_addr;
>> +        lldb::addr_t old_load_addr = load_list.GetSectionLoadAddress(section);
>> +
>> +        // If the file address of the section is zero then this is not an
>> +        // allocatable/loadable section (property of ELF sh_addr).  Skip it.
>> +        if (new_load_addr == base_addr)
>> +            continue;
>> +
>> +        if (old_load_addr == LLDB_INVALID_ADDRESS ||
>> +            old_load_addr != new_load_addr)
>> +            load_list.SetSectionLoadAddress(section, new_load_addr);
>> +    }
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::ProbeEntry()
>> +{
>> +    Breakpoint *entry_break;
>> +    addr_t entry;
>> +
>> +    if ((entry = GetEntryPoint()) == LLDB_INVALID_ADDRESS)
>> +        return;
>> +    
>> +    entry_break = m_process->GetTarget().CreateBreakpoint(entry, true).get();
>> +    entry_break->SetCallback(EntryBreakpointHit, this, true);
>> +}
>> +
>> +// The runtime linker has run and initialized the rendezvous structure once the
>> +// process has hit its entry point.  When we hit the corresponding breakpoint we
>> +// interrogate the rendezvous structure to get the load addresses of all
>> +// dependent modules for the process.  Similarly, we can discover the runtime
>> +// linker function and setup a breakpoint to notify us of any dynamically loaded
>> +// modules (via dlopen).
>> +bool
>> +DynamicLoaderPOSIXDYLD::EntryBreakpointHit(void *baton, 
>> +                                           StoppointCallbackContext *context, 
>> +                                           user_id_t break_id, 
>> +                                           user_id_t break_loc_id)
>> +{
>> +    DynamicLoaderPOSIXDYLD* dyld_instance;
>> +
>> +    dyld_instance = static_cast<DynamicLoaderPOSIXDYLD*>(baton);
>> +    dyld_instance->LoadAllCurrentModules();
>> +    dyld_instance->SetRendezvousBreakpoint();
>> +    return false; // Continue running.
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::SetRendezvousBreakpoint()
>> +{
>> +    Breakpoint *dyld_break;
>> +    addr_t break_addr;
>> +
>> +    break_addr = m_rendezvous.GetBreakAddress();
>> +    dyld_break = m_process->GetTarget().CreateBreakpoint(break_addr, true).get();
>> +    dyld_break->SetCallback(RendezvousBreakpointHit, this, true);
>> +}
>> +
>> +bool
>> +DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit(void *baton, 
>> +                                                StoppointCallbackContext *context, 
>> +                                                user_id_t break_id, 
>> +                                                user_id_t break_loc_id)
>> +{
>> +    DynamicLoaderPOSIXDYLD* dyld_instance;
>> +
>> +    dyld_instance = static_cast<DynamicLoaderPOSIXDYLD*>(baton);
>> +    dyld_instance->RefreshModules();
>> +
>> +    // Return true to stop the target, false to just let the target run.
>> +    return dyld_instance->GetStopWhenImagesChange();
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::RefreshModules()
>> +{
>> +    if (!m_rendezvous.Resolve())
>> +        return;
>> +
>> +    DYLDRendezvous::iterator I;
>> +    DYLDRendezvous::iterator E;
>> +
>> +    ModuleList &loaded_modules = m_process->GetTarget().GetImages();
>> +
>> +    if (m_rendezvous.ModulesDidLoad()) 
>> +    {
>> +        ModuleList new_modules;
>> +
>> +        E = m_rendezvous.loaded_end();
>> +        for (I = m_rendezvous.loaded_begin(); I != E; ++I)
>> +        {
>> +            FileSpec file(I->path.c_str(), true);
>> +            ModuleSP module_sp = LoadModuleAtAddress(file, I->base_addr);
>> +            if (module_sp.get())
>> +                new_modules.Append(module_sp);
>> +        }
>> +        m_process->GetTarget().ModulesDidLoad(new_modules);
>> +    }
>> +    
>> +    if (m_rendezvous.ModulesDidUnload())
>> +    {
>> +        ModuleList old_modules;
>> +
>> +        E = m_rendezvous.unloaded_end();
>> +        for (I = m_rendezvous.unloaded_begin(); I != E; ++I)
>> +        {
>> +            FileSpec file(I->path.c_str(), true);
>> +            ModuleSP module_sp = 
>> +                loaded_modules.FindFirstModuleForFileSpec(file, NULL, NULL);
>> +            if (module_sp.get())
>> +                old_modules.Append(module_sp);
>> +        }
>> +        m_process->GetTarget().ModulesDidUnload(old_modules);
>> +    }
>> +}
>> +
>> +ThreadPlanSP
>> +DynamicLoaderPOSIXDYLD::GetStepThroughTrampolinePlan(Thread &thread, bool stop)
>> +{
>> +    LogSP log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
>> +    ThreadPlanSP thread_plan_sp;
>> +
>> +    StackFrame *frame = thread.GetStackFrameAtIndex(0).get();
>> +    const SymbolContext &context = frame->GetSymbolContext(eSymbolContextSymbol);
>> +    Symbol *sym = context.symbol;
>> +
>> +    if (sym == NULL || !sym->IsTrampoline())
>> +        return thread_plan_sp;
>> +
>> +    const ConstString &sym_name = sym->GetMangled().GetName(Mangled::ePreferMangled);
>> +    if (!sym_name)
>> +        return thread_plan_sp;
>> +
>> +    SymbolContextList target_symbols;
>> +    Target &target = thread.GetProcess().GetTarget();
>> +    ModuleList &images = target.GetImages();
>> +
>> +    images.FindSymbolsWithNameAndType(sym_name, eSymbolTypeCode, target_symbols);
>> +    size_t num_targets = target_symbols.GetSize();
>> +    if (!num_targets)
>> +        return thread_plan_sp;
>> +
>> +    typedef std::vector<lldb::addr_t> AddressVector;
>> +    AddressVector addrs;
>> +    for (size_t i = 0; i < num_targets; ++i)
>> +    {
>> +        SymbolContext context;
>> +        AddressRange range;
>> +        if (target_symbols.GetContextAtIndex(i, context))
>> +        {
>> +            context.GetAddressRange(eSymbolContextEverything, 0, false, range);
>> +            lldb::addr_t addr = range.GetBaseAddress().GetLoadAddress(&target);
>> +            if (addr != LLDB_INVALID_ADDRESS)
>> +                addrs.push_back(addr);
>> +        }
>> +    }
>> +
>> +    if (addrs.size() > 0) 
>> +    {
>> +        AddressVector::iterator start = addrs.begin();
>> +        AddressVector::iterator end = addrs.end();
>> +
>> +        std::sort(start, end);
>> +        addrs.erase(std::unique(start, end), end);
>> +        thread_plan_sp.reset(new ThreadPlanRunToAddress(thread, addrs, stop));
>> +    }
>> +
>> +    return thread_plan_sp;
>> +}
>> +
>> +void
>> +DynamicLoaderPOSIXDYLD::LoadAllCurrentModules()
>> +{
>> +    DYLDRendezvous::iterator I;
>> +    DYLDRendezvous::iterator E;
>> +    ModuleList module_list;
>> +    
>> +    if (!m_rendezvous.Resolve())
>> +        return;
>> +
>> +    for (I = m_rendezvous.begin(), E = m_rendezvous.end(); I != E; ++I)
>> +    {
>> +        FileSpec file(I->path.c_str(), false);
>> +        ModuleSP module_sp = LoadModuleAtAddress(file, I->base_addr);
>> +        if (module_sp.get())
>> +            module_list.Append(module_sp);
>> +    }
>> +
>> +    m_process->GetTarget().ModulesDidLoad(module_list);
>> +}
>> +
>> +ModuleSP
>> +DynamicLoaderPOSIXDYLD::LoadModuleAtAddress(const FileSpec &file, addr_t base_addr)
>> +{
>> +    Target &target = m_process->GetTarget();
>> +    ModuleList &modules = target.GetImages();
>> +    ModuleSP module_sp;
>> +
>> +    if ((module_sp = modules.FindFirstModuleForFileSpec(file, NULL, NULL))) 
>> +    {
>> +        UpdateLoadedSections(module_sp, base_addr);
>> +    }
>> +    else if ((module_sp = target.GetSharedModule(file, target.GetArchitecture()))) 
>> +    {
>> +        UpdateLoadedSections(module_sp, base_addr);
>> +        modules.Append(module_sp);
>> +    }
>> +
>> +    return module_sp;
>> +}
>> +
>> +addr_t
>> +DynamicLoaderPOSIXDYLD::ComputeLoadOffset()
>> +{
>> +    addr_t virt_entry;
>> +
>> +    if (m_load_offset != LLDB_INVALID_ADDRESS)
>> +        return m_load_offset;
>> +
>> +    if ((virt_entry = GetEntryPoint()) == LLDB_INVALID_ADDRESS)
>> +        return LLDB_INVALID_ADDRESS;
>> +
>> +    ModuleSP module = m_process->GetTarget().GetExecutableModule();
>> +    ObjectFile *exe = module->GetObjectFile();
>> +    Address file_entry = exe->GetEntryPointAddress();
>> +
>> +    if (!file_entry.IsValid())
>> +        return LLDB_INVALID_ADDRESS;
>> +            
>> +    m_load_offset = virt_entry - file_entry.GetFileAddress();
>> +    return m_load_offset;
>> +}
>> +
>> +addr_t
>> +DynamicLoaderPOSIXDYLD::GetEntryPoint()
>> +{
>> +    if (m_entry_point != LLDB_INVALID_ADDRESS)
>> +        return m_entry_point;
>> +
>> +    if (m_auxv.get() == NULL)
>> +        return LLDB_INVALID_ADDRESS;
>> +
>> +    AuxVector::iterator I = m_auxv->FindEntry(AuxVector::AT_ENTRY);
>> +
>> +    if (I == m_auxv->end())
>> +        return LLDB_INVALID_ADDRESS;
>> +
>> +    m_entry_point = static_cast<addr_t>(I->value);
>> +    return m_entry_point;
>> +}
>> Index: source/Plugins/DynamicLoader/POSIX-DYLD/Makefile
>> ===================================================================
>> --- source/Plugins/DynamicLoader/POSIX-DYLD/Makefile	(revision 0)
>> +++ source/Plugins/DynamicLoader/POSIX-DYLD/Makefile	(revision 0)
>> @@ -0,0 +1,14 @@
>> +##===- source/Plugins/DynamicLoader/POSIX-DYLD/Makefile ----*- Makefile -*-===##
>> +# 
>> +#                     The LLVM Compiler Infrastructure
>> +#
>> +# This file is distributed under the University of Illinois Open Source
>> +# License. See LICENSE.TXT for details.
>> +# 
>> +##===----------------------------------------------------------------------===##
>> +
>> +LLDB_LEVEL := ../../../..
>> +LIBRARYNAME := lldbPluginDynamicLoaderPOSIX
>> +BUILD_ARCHIVE = 1
>> +
>> +include $(LLDB_LEVEL)/Makefile
>> Index: source/Plugins/Makefile
>> ===================================================================
>> --- source/Plugins/Makefile	(revision 147560)
>> +++ source/Plugins/Makefile	(working copy)
>> @@ -30,7 +30,11 @@
>> endif
>> 
>> ifeq ($(HOST_OS),Linux)
>> -DIRS += Process/Linux DynamicLoader/Linux-DYLD
>> +DIRS += Process/Linux Process/POSIX DynamicLoader/POSIX-DYLD
>> endif
>> 
>> +ifeq ($(HOST_OS),FreeBSD)
>> +DIRS += Process/FreeBSD Process/POSIX DynamicLoader/POSIX-DYLD
>> +endif
>> +
>> include $(LLDB_LEVEL)/Makefile
>> Index: source/Plugins/Process/Linux/ProcessLinux.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessLinux.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessLinux.cpp	(working copy)
>> @@ -20,10 +20,10 @@
>> #include "lldb/Target/Target.h"
>> 
>> #include "ProcessLinux.h"
>> -#include "ProcessLinuxLog.h"
>> +#include "ProcessPOSIXLog.h"
>> #include "Plugins/Process/Utility/InferiorCallPOSIX.h"
>> #include "ProcessMonitor.h"
>> -#include "LinuxThread.h"
>> +#include "POSIXThread.h"
>> 
>> using namespace lldb;
>> using namespace lldb_private;
>> @@ -50,42 +50,21 @@
>>                                       CreateInstance);
>> 
>>         Log::Callbacks log_callbacks = {
>> -            ProcessLinuxLog::DisableLog,
>> -            ProcessLinuxLog::EnableLog,
>> -            ProcessLinuxLog::ListLogCategories
>> +            ProcessPOSIXLog::DisableLog,
>> +            ProcessPOSIXLog::EnableLog,
>> +            ProcessPOSIXLog::ListLogCategories
>>         };
>> 
>>         Log::RegisterLogChannel (ProcessLinux::GetPluginNameStatic(), log_callbacks);
>> +        ProcessPOSIXLog::RegisterPluginName(GetPluginNameStatic());
>>     }
>> }
>> 
>> -void
>> -ProcessLinux::Terminate()
>> -{
>> -}
>> -
>> -const char *
>> -ProcessLinux::GetPluginNameStatic()
>> -{
>> -    return "plugin.process.linux";
>> -}
>> -
>> -const char *
>> -ProcessLinux::GetPluginDescriptionStatic()
>> -{
>> -    return "Process plugin for Linux";
>> -}
>> -
>> -
>> //------------------------------------------------------------------------------
>> // Constructors and destructors.
>> 
>> ProcessLinux::ProcessLinux(Target& target, Listener &listener)
>> -    : Process(target, listener),
>> -      m_monitor(NULL),
>> -      m_module(NULL),
>> -      m_in_limbo(false),
>> -      m_exit_now(false)
>> +    : ProcessPOSIX(target, listener)
>> {
>> #if 0
>>     // FIXME: Putting this code in the ctor and saving the byte order in a
>> @@ -98,409 +77,28 @@
>> #endif
>> }
>> 
>> -ProcessLinux::~ProcessLinux()
>> -{
>> -    delete m_monitor;
>> -}
>> -
>> -//------------------------------------------------------------------------------
>> -// Process protocol.
>> -
>> -bool
>> -ProcessLinux::CanDebug(Target &target, bool plugin_specified_by_name)
>> -{
>> -    // For now we are just making sure the file exists for a given module
>> -    ModuleSP exe_module_sp(target.GetExecutableModule());
>> -    if (exe_module_sp.get())
>> -        return exe_module_sp->GetFileSpec().Exists();
>> -    return false;
>> -}
>> -
>> -Error
>> -ProcessLinux::DoAttachToProcessWithID(lldb::pid_t pid)
>> -{
>> -    Error error;
>> -    assert(m_monitor == NULL);
>> -
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_PROCESS));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> -        log->Printf ("ProcessLinux::%s(pid = %i)", __FUNCTION__, GetID());
>> -
>> -    m_monitor = new ProcessMonitor(this, pid, error);
>> -
>> -    if (!error.Success())
>> -        return error;
>> -
>> -    SetID(pid);
>> -    return error;
>> -}
>> -
>> -Error
>> -ProcessLinux::WillLaunch(Module* module)
>> -{
>> -    Error error;
>> -    return error;
>> -}
>> -
>> -Error
>> -ProcessLinux::DoLaunch (Module *module,
>> -                       const ProcessLaunchInfo &launch_info)
>> -{
>> -    Error error;
>> -    assert(m_monitor == NULL);
>> -
>> -    SetPrivateState(eStateLaunching);
>> -
>> -    const char *stdin_path = NULL;
>> -    const char *stdout_path = NULL;
>> -    const char *stderr_path = NULL;
>> -    const char *working_dir = launch_info.GetWorkingDirectory();
>> -
>> -    const ProcessLaunchInfo::FileAction *file_action;
>> -    file_action = launch_info.GetFileActionForFD (STDIN_FILENO);
>> -    if (file_action)
>> -    {
>> -        if (file_action->GetAction () == ProcessLaunchInfo::FileAction::eFileActionOpen)
>> -            stdin_path = file_action->GetPath();
>> -    }
>> -    file_action = launch_info.GetFileActionForFD (STDOUT_FILENO);
>> -    if (file_action)
>> -    {
>> -        if (file_action->GetAction () == ProcessLaunchInfo::FileAction::eFileActionOpen)
>> -            stdout_path = file_action->GetPath();
>> -    }
>> -    file_action = launch_info.GetFileActionForFD (STDERR_FILENO);
>> -    if (file_action)
>> -    {
>> -        if (file_action->GetAction () == ProcessLaunchInfo::FileAction::eFileActionOpen)
>> -            stderr_path = file_action->GetPath();
>> -    }
>> -
>> -    m_monitor = new ProcessMonitor (this, 
>> -                                    module,
>> -                                    launch_info.GetArguments().GetConstArgumentVector(), 
>> -                                    launch_info.GetEnvironmentEntries().GetConstArgumentVector(),
>> -                                    stdin_path, 
>> -                                    stdout_path, 
>> -                                    stderr_path,
>> -                                    error);
>> -
>> -    m_module = module;
>> -
>> -    if (!error.Success())
>> -        return error;
>> -
>> -    SetID(m_monitor->GetPID());
>> -    return error;
>> -}
>> -
>> void
>> -ProcessLinux::DidLaunch()
>> +ProcessLinux::Terminate()
>> {
>> }
>> -
>> -Error
>> -ProcessLinux::DoResume()
>> +const char *
>> +ProcessLinux::GetPluginNameStatic()
>> {
>> -    StateType state = GetPrivateState();
>> -
>> -    assert(state == eStateStopped || state == eStateCrashed);
>> -
>> -    // We are about to resume a thread that will cause the process to exit so
>> -    // set our exit status now.  Do not change our state if the inferior
>> -    // crashed.
>> -    if (state == eStateStopped) 
>> -    {
>> -        if (m_in_limbo)
>> -            SetExitStatus(m_exit_status, NULL);
>> -        else
>> -            SetPrivateState(eStateRunning);
>> -    }
>> -
>> -    bool did_resume = false;
>> -    uint32_t thread_count = m_thread_list.GetSize(false);
>> -    for (uint32_t i = 0; i < thread_count; ++i)
>> -    {
>> -        LinuxThread *thread = static_cast<LinuxThread*>(
>> -            m_thread_list.GetThreadAtIndex(i, false).get());
>> -        did_resume = thread->Resume() || did_resume;
>> -    }
>> -    assert(did_resume && "Process resume failed!");
>> -
>> -    return Error();
>> +    return "linux";
>> }
>> 
>> -addr_t
>> -ProcessLinux::GetImageInfoAddress()
>> +const char *
>> +ProcessLinux::GetPluginDescriptionStatic()
>> {
>> -    Target *target = &GetTarget();
>> -    ObjectFile *obj_file = target->GetExecutableModule()->GetObjectFile();
>> -    Address addr = obj_file->GetImageInfoAddress();
>> -
>> -    if (addr.IsValid()) 
>> -        return addr.GetLoadAddress(target);
>> -    else
>> -        return LLDB_INVALID_ADDRESS;
>> +    return "Process plugin for Linux";
>> }
>> 
>> -Error
>> -ProcessLinux::DoHalt(bool &caused_stop)
>> -{
>> -    Error error;
>> 
>> -    if (IsStopped())
>> -    {
>> -        caused_stop = false;
>> -    }
>> -    else if (kill(GetID(), SIGSTOP))
>> -    {
>> -        caused_stop = false;
>> -        error.SetErrorToErrno();
>> -    }
>> -    else
>> -    {
>> -        caused_stop = true;
>> -    }
>> -
>> -    return error;
>> -}
>> -
>> -Error
>> -ProcessLinux::DoDetach()
>> -{
>> -    Error error;
>> -
>> -    error = m_monitor->Detach();
>> -    if (error.Success())
>> -        SetPrivateState(eStateDetached);
>> -
>> -    return error;
>> -}
>> -
>> -Error
>> -ProcessLinux::DoSignal(int signal)
>> -{
>> -    Error error;
>> -
>> -    if (kill(GetID(), signal))
>> -        error.SetErrorToErrno();
>> -
>> -    return error;
>> -}
>> -
>> -Error
>> -ProcessLinux::DoDestroy()
>> -{
>> -    Error error;
>> -
>> -    if (!HasExited())
>> -    {
>> -        // Drive the exit event to completion (do not keep the inferior in
>> -        // limbo).
>> -        m_exit_now = true;
>> -
>> -        if (kill(m_monitor->GetPID(), SIGKILL) && error.Success())
>> -        {
>> -            error.SetErrorToErrno();
>> -            return error;
>> -        }
>> -
>> -        SetPrivateState(eStateExited);
>> -    }
>> -
>> -    return error;
>> -}
>> -
>> -void
>> -ProcessLinux::SendMessage(const ProcessMessage &message)
>> -{
>> -    Mutex::Locker lock(m_message_mutex);
>> -
>> -    switch (message.GetKind())
>> -    {
>> -    default:
>> -        assert(false && "Unexpected process message!");
>> -        break;
>> -
>> -    case ProcessMessage::eInvalidMessage:
>> -        return;
>> -
>> -    case ProcessMessage::eLimboMessage:
>> -        m_in_limbo = true;
>> -        m_exit_status = message.GetExitStatus();
>> -        if (m_exit_now)
>> -        {
>> -            SetPrivateState(eStateExited);
>> -            m_monitor->Detach();
>> -        }
>> -        else
>> -            SetPrivateState(eStateStopped);
>> -        break;
>> -
>> -    case ProcessMessage::eExitMessage:
>> -        m_exit_status = message.GetExitStatus();
>> -        SetExitStatus(m_exit_status, NULL);
>> -        break;
>> -
>> -    case ProcessMessage::eTraceMessage:
>> -    case ProcessMessage::eBreakpointMessage:
>> -        SetPrivateState(eStateStopped);
>> -        break;
>> -
>> -    case ProcessMessage::eSignalMessage:
>> -    case ProcessMessage::eSignalDeliveredMessage:
>> -        SetPrivateState(eStateStopped);
>> -        break;
>> -
>> -    case ProcessMessage::eCrashMessage:
>> -        SetPrivateState(eStateCrashed);
>> -        break;
>> -    }
>> -
>> -    m_message_queue.push(message);
>> -}
>> -
>> -void
>> -ProcessLinux::RefreshStateAfterStop()
>> -{
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_PROCESS));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> -        log->Printf ("ProcessLinux::%s()", __FUNCTION__);
>> -
>> -    Mutex::Locker lock(m_message_mutex);
>> -    if (m_message_queue.empty())
>> -        return;
>> -
>> -    ProcessMessage &message = m_message_queue.front();
>> -
>> -    // Resolve the thread this message corresponds to and pass it along.
>> -    // FIXME: we're really dealing with the pid here.  This should get
>> -    // fixed when this code is fixed to handle multiple threads.
>> -    lldb::tid_t tid = message.GetTID();
>> -    if (log)
>> -        log->Printf ("ProcessLinux::%s() pid = %i", __FUNCTION__, tid);
>> -    LinuxThread *thread = static_cast<LinuxThread*>(
>> -        GetThreadList().FindThreadByID(tid, false).get());
>> -
>> -    assert(thread);
>> -    thread->Notify(message);
>> -
>> -    m_message_queue.pop();
>> -}
>> -
>> -bool
>> -ProcessLinux::IsAlive()
>> -{
>> -    StateType state = GetPrivateState();
>> -    return state != eStateDetached && state != eStateExited && state != eStateInvalid;
>> -}
>> -
>> -size_t
>> -ProcessLinux::DoReadMemory(addr_t vm_addr,
>> -                           void *buf, size_t size, Error &error)
>> -{
>> -    assert(m_monitor);
>> -    return m_monitor->ReadMemory(vm_addr, buf, size, error);
>> -}
>> -
>> -size_t
>> -ProcessLinux::DoWriteMemory(addr_t vm_addr, const void *buf, size_t size,
>> -                            Error &error)
>> -{
>> -    assert(m_monitor);
>> -    return m_monitor->WriteMemory(vm_addr, buf, size, error);
>> -}
>> -
>> -addr_t
>> -ProcessLinux::DoAllocateMemory(size_t size, uint32_t permissions,
>> -                               Error &error)
>> -{
>> -    addr_t allocated_addr = LLDB_INVALID_ADDRESS;
>> -
>> -    unsigned prot = 0;
>> -    if (permissions & lldb::ePermissionsReadable)
>> -        prot |= eMmapProtRead;
>> -    if (permissions & lldb::ePermissionsWritable)
>> -        prot |= eMmapProtWrite;
>> -    if (permissions & lldb::ePermissionsExecutable)
>> -        prot |= eMmapProtExec;
>> -
>> -    if (InferiorCallMmap(this, allocated_addr, 0, size, prot,
>> -                         eMmapFlagsAnon | eMmapFlagsPrivate, -1, 0)) {
>> -        m_addr_to_mmap_size[allocated_addr] = size;
>> -        error.Clear();
>> -    } else {
>> -        allocated_addr = LLDB_INVALID_ADDRESS;
>> -        error.SetErrorStringWithFormat("unable to allocate %zu bytes of memory with permissions %s", size, GetPermissionsAsCString (permissions));
>> -    }
>> -
>> -    return allocated_addr;
>> -}
>> -
>> -Error
>> -ProcessLinux::DoDeallocateMemory(lldb::addr_t addr)
>> -{
>> -    Error error;
>> -    MMapMap::iterator pos = m_addr_to_mmap_size.find(addr);
>> -    if (pos != m_addr_to_mmap_size.end() &&
>> -        InferiorCallMunmap(this, addr, pos->second))
>> -        m_addr_to_mmap_size.erase (pos);
>> -    else
>> -        error.SetErrorStringWithFormat("unable to deallocate memory at 0x%llx", addr);
>> -
>> -    return error;
>> -}
>> -
>> -size_t
>> -ProcessLinux::GetSoftwareBreakpointTrapOpcode(BreakpointSite* bp_site)
>> -{
>> -    static const uint8_t g_i386_opcode[] = { 0xCC };
>> -
>> -    ArchSpec arch = GetTarget().GetArchitecture();
>> -    const uint8_t *opcode = NULL;
>> -    size_t opcode_size = 0;
>> -
>> -    switch (arch.GetCore())
>> -    {
>> -    default:
>> -        assert(false && "CPU type not supported!");
>> -        break;
>> -
>> -    case ArchSpec::eCore_x86_32_i386:
>> -    case ArchSpec::eCore_x86_64_x86_64:
>> -        opcode = g_i386_opcode;
>> -        opcode_size = sizeof(g_i386_opcode);
>> -        break;
>> -    }
>> -
>> -    bp_site->SetTrapOpcode(opcode, opcode_size);
>> -    return opcode_size;
>> -}
>> -
>> -Error
>> -ProcessLinux::EnableBreakpoint(BreakpointSite *bp_site)
>> -{
>> -    return EnableSoftwareBreakpoint(bp_site);
>> -}
>> -
>> -Error
>> -ProcessLinux::DisableBreakpoint(BreakpointSite *bp_site)
>> -{
>> -    return DisableSoftwareBreakpoint(bp_site);
>> -}
>> -
>> uint32_t
>> -ProcessLinux::UpdateThreadListIfNeeded()
>> -{
>> -    // Do not allow recursive updates.
>> -    return m_thread_list.GetSize(false);
>> -}
>> -
>> -uint32_t
>> ProcessLinux::UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list)
>> {
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>>         log->Printf ("ProcessLinux::%s() (pid = %i)", __FUNCTION__, GetID());
>> 
>>     // Update the process thread list with this new thread.
>> @@ -508,62 +106,16 @@
>>     assert(m_monitor);
>>     ThreadSP thread_sp (old_thread_list.FindThreadByID (GetID(), false));
>>     if (!thread_sp)
>> -        thread_sp.reset(new LinuxThread(*this, GetID()));
>> +        thread_sp.reset(new POSIXThread(*this, GetID()));
>> 
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>>         log->Printf ("ProcessLinux::%s() updated pid = %i", __FUNCTION__, GetID());
>>     new_thread_list.AddThread(thread_sp);
>> 
>>     return new_thread_list.GetSize(false);
>> }
>> 
>> -ByteOrder
>> -ProcessLinux::GetByteOrder() const
>> -{
>> -    // FIXME: We should be able to extract this value directly.  See comment in
>> -    // ProcessLinux().
>> -    return m_byte_order;
>> -}
>> 
>> -size_t
>> -ProcessLinux::PutSTDIN(const char *buf, size_t len, Error &error)
>> -{
>> -    ssize_t status;
>> -    if ((status = write(m_monitor->GetTerminalFD(), buf, len)) < 0) 
>> -    {
>> -        error.SetErrorToErrno();
>> -        return 0;
>> -    }
>> -    return status;
>> -}
>> -
>> -size_t
>> -ProcessLinux::GetSTDOUT(char *buf, size_t len, Error &error)
>> -{
>> -    ssize_t bytes_read;
>> -
>> -    // The terminal file descriptor is always in non-block mode.
>> -    if ((bytes_read = read(m_monitor->GetTerminalFD(), buf, len)) < 0) 
>> -    {
>> -        if (errno != EAGAIN)
>> -            error.SetErrorToErrno();
>> -        return 0;
>> -    }
>> -    return bytes_read;
>> -}
>> -
>> -size_t
>> -ProcessLinux::GetSTDERR(char *buf, size_t len, Error &error)
>> -{
>> -    return GetSTDOUT(buf, len, error);
>> -}
>> -
>> -UnixSignals &
>> -ProcessLinux::GetUnixSignals()
>> -{
>> -    return m_linux_signals;
>> -}
>> -
>> //------------------------------------------------------------------------------
>> // ProcessInterface protocol.
>> 
>> @@ -601,39 +153,3 @@
>> {
>>     return NULL;
>> }
>> -
>> -//------------------------------------------------------------------------------
>> -// Utility functions.
>> -
>> -bool
>> -ProcessLinux::HasExited()
>> -{
>> -    switch (GetPrivateState())
>> -    {
>> -    default:
>> -        break;
>> -
>> -    case eStateDetached:
>> -    case eStateExited:
>> -        return true;
>> -    }
>> -
>> -    return false;
>> -}
>> -
>> -bool
>> -ProcessLinux::IsStopped()
>> -{
>> -    switch (GetPrivateState())
>> -    {
>> -    default:
>> -        break;
>> -
>> -    case eStateStopped:
>> -    case eStateCrashed:
>> -    case eStateSuspended:
>> -        return true;
>> -    }
>> -
>> -    return false;
>> -}
>> Index: source/Plugins/Process/Linux/ProcessLinuxLog.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessLinuxLog.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessLinuxLog.cpp	(working copy)
>> @@ -1,193 +0,0 @@
>> -//===-- ProcessLinuxLog.cpp ---------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#include "ProcessLinuxLog.h"
>> -
>> -#include "lldb/Interpreter/Args.h"
>> -#include "lldb/Core/StreamFile.h"
>> -
>> -#include "ProcessLinux.h"
>> -
>> -using namespace lldb;
>> -using namespace lldb_private;
>> -
>> -
>> -// We want to avoid global constructors where code needs to be run so here we
>> -// control access to our static g_log_sp by hiding it in a singleton function
>> -// that will construct the static g_lob_sp the first time this function is 
>> -// called.
>> -static LogSP &
>> -GetLog ()
>> -{
>> -    static LogSP g_log_sp;
>> -    return g_log_sp;
>> -}
>> -
>> -LogSP
>> -ProcessLinuxLog::GetLogIfAllCategoriesSet (uint32_t mask)
>> -{
>> -    LogSP log(GetLog ());
>> -    if (log && mask)
>> -    {
>> -        uint32_t log_mask = log->GetMask().Get();
>> -        if ((log_mask & mask) != mask)
>> -            return LogSP();
>> -    }
>> -    return log;
>> -}
>> -
>> -void
>> -ProcessLinuxLog::DisableLog (Args &args, Stream *feedback_strm)
>> -{
>> -    LogSP log (GetLog ());
>> -    if (log)
>> -    {
>> -        uint32_t flag_bits = 0;
>> -        
>> -        const size_t argc = args.GetArgumentCount ();
>> -        if (argc > 0)
>> -        {
>> -            flag_bits = log->GetMask().Get();
>> -            for (size_t i = 0; i < argc; ++i)
>> -            {
>> -                const char *arg = args.GetArgumentAtIndex (i);
>> -                
>> -
>> -                if      (::strcasecmp (arg, "all")        == 0 ) flag_bits &= ~LINUX_LOG_ALL;
>> -                else if (::strcasecmp (arg, "async")      == 0 ) flag_bits &= ~LINUX_LOG_ASYNC;
>> -                else if (::strncasecmp (arg, "break", 5)  == 0 ) flag_bits &= ~LINUX_LOG_BREAKPOINTS;
>> -                else if (::strncasecmp (arg, "comm", 4)   == 0 ) flag_bits &= ~LINUX_LOG_COMM;
>> -                else if (::strcasecmp (arg, "default")    == 0 ) flag_bits &= ~LINUX_LOG_DEFAULT;
>> -                else if (::strcasecmp (arg, "packets")    == 0 ) flag_bits &= ~LINUX_LOG_PACKETS;
>> -                else if (::strcasecmp (arg, "memory")     == 0 ) flag_bits &= ~LINUX_LOG_MEMORY;
>> -                else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits &= ~LINUX_LOG_MEMORY_DATA_SHORT;
>> -                else if (::strcasecmp (arg, "data-long")  == 0 ) flag_bits &= ~LINUX_LOG_MEMORY_DATA_LONG;
>> -                else if (::strcasecmp (arg, "process")    == 0 ) flag_bits &= ~LINUX_LOG_PROCESS;
>> -                else if (::strcasecmp (arg, "ptrace")     == 0 ) flag_bits &= ~LINUX_LOG_PTRACE;
>> -                else if (::strcasecmp (arg, "registers")  == 0 ) flag_bits &= ~LINUX_LOG_REGISTERS;
>> -                else if (::strcasecmp (arg, "step")       == 0 ) flag_bits &= ~LINUX_LOG_STEP;
>> -                else if (::strcasecmp (arg, "thread")     == 0 ) flag_bits &= ~LINUX_LOG_THREAD;
>> -                else if (::strcasecmp (arg, "verbose")    == 0 ) flag_bits &= ~LINUX_LOG_VERBOSE;
>> -                else if (::strncasecmp (arg, "watch", 5)  == 0 ) flag_bits &= ~LINUX_LOG_WATCHPOINTS;
>> -                else
>> -                {
>> -                    feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
>> -                    ListLogCategories (feedback_strm);
>> -                }
>> -                
>> -            }
>> -        }
>> -        
>> -        if (flag_bits == 0)
>> -            GetLog ().reset();
>> -        else
>> -            log->GetMask().Reset (flag_bits);
>> -    }
>> -    
>> -    return;
>> -}
>> -
>> -LogSP
>> -ProcessLinuxLog::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, Args &args, Stream *feedback_strm)
>> -{
>> -    // Try see if there already is a log - that way we can reuse its settings.
>> -    // We could reuse the log in toto, but we don't know that the stream is the same.
>> -    uint32_t flag_bits = 0;
>> -    LogSP log(GetLog ());
>> -    if (log)
>> -        flag_bits = log->GetMask().Get();
>> -
>> -    // Now make a new log with this stream if one was provided
>> -    if (log_stream_sp)
>> -    {
>> -        log = make_shared<Log>(log_stream_sp);
>> -        GetLog () = log;
>> -    }
>> -
>> -    if (log)
>> -    {
>> -        bool got_unknown_category = false;
>> -        const size_t argc = args.GetArgumentCount();
>> -        for (size_t i=0; i<argc; ++i)
>> -        {
>> -            const char *arg = args.GetArgumentAtIndex(i);
>> -
>> -            if      (::strcasecmp (arg, "all")        == 0 ) flag_bits |= LINUX_LOG_ALL;
>> -            else if (::strcasecmp (arg, "async")      == 0 ) flag_bits |= LINUX_LOG_ASYNC;
>> -            else if (::strncasecmp (arg, "break", 5)  == 0 ) flag_bits |= LINUX_LOG_BREAKPOINTS;
>> -            else if (::strncasecmp (arg, "comm", 4)   == 0 ) flag_bits |= LINUX_LOG_COMM;
>> -            else if (::strcasecmp (arg, "default")    == 0 ) flag_bits |= LINUX_LOG_DEFAULT;
>> -            else if (::strcasecmp (arg, "packets")    == 0 ) flag_bits |= LINUX_LOG_PACKETS;
>> -            else if (::strcasecmp (arg, "memory")     == 0 ) flag_bits |= LINUX_LOG_MEMORY;
>> -            else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits |= LINUX_LOG_MEMORY_DATA_SHORT;
>> -            else if (::strcasecmp (arg, "data-long")  == 0 ) flag_bits |= LINUX_LOG_MEMORY_DATA_LONG;
>> -            else if (::strcasecmp (arg, "process")    == 0 ) flag_bits |= LINUX_LOG_PROCESS;
>> -            else if (::strcasecmp (arg, "ptrace")     == 0 ) flag_bits |= LINUX_LOG_PTRACE;
>> -            else if (::strcasecmp (arg, "registers")  == 0 ) flag_bits |= LINUX_LOG_REGISTERS;
>> -            else if (::strcasecmp (arg, "step")       == 0 ) flag_bits |= LINUX_LOG_STEP;
>> -            else if (::strcasecmp (arg, "thread")     == 0 ) flag_bits |= LINUX_LOG_THREAD;
>> -            else if (::strcasecmp (arg, "verbose")    == 0 ) flag_bits |= LINUX_LOG_VERBOSE;
>> -            else if (::strncasecmp (arg, "watch", 5)  == 0 ) flag_bits |= LINUX_LOG_WATCHPOINTS;
>> -            else
>> -            {
>> -                feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
>> -                if (got_unknown_category == false)
>> -                {
>> -                    got_unknown_category = true;
>> -                    ListLogCategories (feedback_strm);
>> -                }
>> -            }
>> -        }
>> -        if (flag_bits == 0)
>> -            flag_bits = LINUX_LOG_DEFAULT;
>> -        log->GetMask().Reset(flag_bits);
>> -        log->GetOptions().Reset(log_options);
>> -    }
>> -    return log;
>> -}
>> -
>> -void
>> -ProcessLinuxLog::ListLogCategories (Stream *strm)
>> -{
>> -    strm->Printf ("Logging categories for '%s':\n"
>> -                  "  all - turn on all available logging categories\n"
>> -                  "  async - log asynchronous activity\n"
>> -                  "  break - log breakpoints\n"
>> -                  "  communication - log communication activity\n"
>> -                  "  default - enable the default set of logging categories for liblldb\n"
>> -                  "  packets - log gdb remote packets\n"
>> -                  "  memory - log memory reads and writes\n"
>> -                  "  data-short - log memory bytes for memory reads and writes for short transactions only\n"
>> -                  "  data-long - log memory bytes for memory reads and writes for all transactions\n"
>> -                  "  process - log process events and activities\n"
>> -#ifndef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> -                  "  ptrace - log all calls to ptrace\n"
>> -#endif
>> -                  "  registers - log register read/writes\n"
>> -                  "  thread - log thread events and activities\n"
>> -                  "  step - log step related activities\n"
>> -                  "  verbose - enable verbose logging\n"
>> -                  "  watch - log watchpoint related activities\n", ProcessLinux::GetPluginNameStatic());
>> -}
>> -
>> -
>> -void
>> -ProcessLinuxLog::LogIf (uint32_t mask, const char *format, ...)
>> -{
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (mask));
>> -    if (log)
>> -    {
>> -        va_list args;
>> -        va_start (args, format);
>> -        log->VAPrintf (format, args);
>> -        va_end (args);
>> -    }
>> -}
>> -
>> -int ProcessLinuxLog::m_nestinglevel;
>> Index: source/Plugins/Process/Linux/ProcessLinux.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessLinux.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessLinux.h	(working copy)
>> @@ -19,11 +19,12 @@
>> #include "lldb/Target/Process.h"
>> #include "LinuxSignals.h"
>> #include "ProcessMessage.h"
>> +#include "ProcessPOSIX.h"
>> 
>> class ProcessMonitor;
>> 
>> class ProcessLinux :
>> -    public lldb_private::Process
>> +    public ProcessPOSIX
>> {
>> public:
>>     //------------------------------------------------------------------
>> @@ -51,97 +52,8 @@
>>     ProcessLinux(lldb_private::Target& target,
>>                  lldb_private::Listener &listener);
>> 
>> -    virtual
>> -    ~ProcessLinux();
>> -
>> -    //------------------------------------------------------------------
>> -    // Process protocol.
>> -    //------------------------------------------------------------------
>> -    virtual bool
>> -    CanDebug(lldb_private::Target &target, bool plugin_specified_by_name);
>> -
>> -    virtual lldb_private::Error
>> -    WillLaunch(lldb_private::Module *module);
>> -
>> -    virtual lldb_private::Error
>> -    DoAttachToProcessWithID(lldb::pid_t pid);
>> -
>> -    virtual lldb_private::Error
>> -    DoLaunch (lldb_private::Module *exe_module, 
>> -              const lldb_private::ProcessLaunchInfo &launch_info);
>> -
>> -    virtual void
>> -    DidLaunch();
>> -
>> -    virtual lldb_private::Error
>> -    DoResume();
>> -
>> -    virtual lldb_private::Error
>> -    DoHalt(bool &caused_stop);
>> -
>> -    virtual lldb_private::Error
>> -    DoDetach();
>> -
>> -    virtual lldb_private::Error
>> -    DoSignal(int signal);
>> -
>> -    virtual lldb_private::Error
>> -    DoDestroy();
>> -
>> -    virtual void
>> -    RefreshStateAfterStop();
>> -
>> -    virtual bool
>> -    IsAlive();
>> -
>> -    virtual size_t
>> -    DoReadMemory(lldb::addr_t vm_addr,
>> -                 void *buf,
>> -                 size_t size,
>> -                 lldb_private::Error &error);
>> -
>> -    virtual size_t
>> -    DoWriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size,
>> -                  lldb_private::Error &error);
>> -
>> -    virtual lldb::addr_t
>> -    DoAllocateMemory(size_t size, uint32_t permissions,
>> -                     lldb_private::Error &error);
>> -
>> -    virtual lldb_private::Error
>> -    DoDeallocateMemory(lldb::addr_t ptr);
>> -
>> -    virtual size_t
>> -    GetSoftwareBreakpointTrapOpcode(lldb_private::BreakpointSite* bp_site);
>> -
>> -    virtual lldb_private::Error
>> -    EnableBreakpoint(lldb_private::BreakpointSite *bp_site);
>> -
>> -    virtual lldb_private::Error
>> -    DisableBreakpoint(lldb_private::BreakpointSite *bp_site);
>> -
>>     virtual uint32_t
>> -    UpdateThreadListIfNeeded();
>> -
>> -    uint32_t
>> -    UpdateThreadList(lldb_private::ThreadList &old_thread_list, 
>> -                     lldb_private::ThreadList &new_thread_list);
>> -
>> -    virtual lldb::ByteOrder
>> -    GetByteOrder() const;
>> -
>> -    virtual lldb::addr_t
>> -    GetImageInfoAddress();
>> -
>> -    virtual size_t
>> -    PutSTDIN(const char *buf, size_t len, lldb_private::Error &error);
>> -
>> -    virtual size_t
>> -    GetSTDOUT(char *buf, size_t len, lldb_private::Error &error);
>> -
>> -    virtual size_t
>> -    GetSTDERR(char *buf, size_t len, lldb_private::Error &error);
>> -
>> +    UpdateThreadList(lldb_private::ThreadList &old_thread_list, lldb_private::ThreadList &new_thread_list);
>>     //------------------------------------------------------------------
>>     // PluginInterface protocol
>>     //------------------------------------------------------------------
>> @@ -165,59 +77,11 @@
>>     EnablePluginLogging(lldb_private::Stream *strm,
>>                         lldb_private::Args &command);
>> 
>> -    //--------------------------------------------------------------------------
>> -    // ProcessLinux internal API.
>> -
>> -    /// Registers the given message with this process.
>> -    void SendMessage(const ProcessMessage &message);
>> -
>> -    ProcessMonitor &
>> -    GetMonitor() { assert(m_monitor); return *m_monitor; }
>> -
>> -    lldb_private::UnixSignals &
>> -    GetUnixSignals();
>> -
>> private:
>> -    /// Target byte order.
>> -    lldb::ByteOrder m_byte_order;
>> 
>> -    /// Process monitor;
>> -    ProcessMonitor *m_monitor;
>> -
>> -    /// The module we are executing.
>> -    lldb_private::Module *m_module;
>> -
>> -    /// Message queue notifying this instance of inferior process state changes.
>> -    lldb_private::Mutex m_message_mutex;
>> -    std::queue<ProcessMessage> m_message_queue;
>> -
>> -    /// True when the process has entered a state of "limbo".
>> -    ///
>> -    /// This flag qualifies eStateStopped.  It lets us know that when we
>> -    /// continue from this state the process will exit.  Also, when true,
>> -    /// Process::m_exit_status is set.
>> -    bool m_in_limbo;
>> -
>> -    /// Drive any exit events to completion.
>> -    bool m_exit_now;
>> -
>>     /// Linux-specific signal set.
>>     LinuxSignals m_linux_signals;
>> 
>> -    /// Updates the loaded sections provided by the executable.
>> -    ///
>> -    /// FIXME:  It would probably be better to delegate this task to the
>> -    /// DynamicLoader plugin, when we have one.
>> -    void UpdateLoadedSections();
>> -
>> -    /// Returns true if the process has exited.
>> -    bool HasExited();
>> -
>> -    /// Returns true if the process is stopped.
>> -    bool IsStopped();
>> -
>> -    typedef std::map<lldb::addr_t, lldb::addr_t> MMapMap;
>> -    MMapMap m_addr_to_mmap_size;
>> };
>> 
>> #endif  // liblldb_MacOSXProcess_H_
>> Index: source/Plugins/Process/Linux/ProcessLinuxLog.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessLinuxLog.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessLinuxLog.h	(working copy)
>> @@ -1,98 +0,0 @@
>> -//===-- ProcessLinuxLog.h -----------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_ProcessLinuxLog_h_
>> -#define liblldb_ProcessLinuxLog_h_
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -
>> -// Project includes
>> -#include "lldb/Core/Log.h"
>> -
>> -#define LINUX_LOG_VERBOSE                  (1u << 0)
>> -#define LINUX_LOG_PROCESS                  (1u << 1)
>> -#define LINUX_LOG_THREAD                   (1u << 2)
>> -#define LINUX_LOG_PACKETS                  (1u << 3)
>> -#define LINUX_LOG_MEMORY                   (1u << 4)    // Log memory reads/writes calls
>> -#define LINUX_LOG_MEMORY_DATA_SHORT        (1u << 5)    // Log short memory reads/writes bytes
>> -#define LINUX_LOG_MEMORY_DATA_LONG         (1u << 6)    // Log all memory reads/writes bytes
>> -#define LINUX_LOG_BREAKPOINTS              (1u << 7)
>> -#define LINUX_LOG_WATCHPOINTS              (1u << 8)
>> -#define LINUX_LOG_STEP                     (1u << 9)
>> -#define LINUX_LOG_COMM                     (1u << 10)
>> -#define LINUX_LOG_ASYNC                    (1u << 11)
>> -#define LINUX_LOG_PTRACE                   (1u << 12)
>> -#define LINUX_LOG_REGISTERS                (1u << 13)
>> -#define LINUX_LOG_ALL                      (UINT32_MAX)
>> -#define LINUX_LOG_DEFAULT                  LINUX_LOG_PACKETS
>> -
>> -// The size which determines "short memory reads/writes".
>> -#define LINUX_LOG_MEMORY_SHORT_BYTES       (4 * sizeof(ptrdiff_t))
>> -
>> -class ProcessLinuxLog
>> -{
>> -    static int m_nestinglevel;
>> -
>> -public:
>> -    static lldb::LogSP
>> -    GetLogIfAllCategoriesSet(uint32_t mask = 0);
>> -
>> -    static void
>> -    DisableLog (lldb_private::Args &args, lldb_private::Stream *feedback_strm);
>> -
>> -    static lldb::LogSP
>> -    EnableLog (lldb::StreamSP &log_stream_sp, uint32_t log_options,
>> -               lldb_private::Args &args, lldb_private::Stream *feedback_strm);
>> -
>> -    static void
>> -    ListLogCategories (lldb_private::Stream *strm);
>> -
>> -    static void
>> -    LogIf (uint32_t mask, const char *format, ...);
>> -
>> -    // The following functions can be used to enable the client to limit
>> -    // logging to only the top level function calls.  This is useful for
>> -    // recursive functions.  FIXME: not thread safe!
>> -    //     Example:
>> -    //     void NestingFunc() {
>> -    //         LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet(LINUX_LOG_ALL));
>> -    //         if (log)
>> -    //         {
>> -    //             ProcessLinuxLog::IncNestLevel();
>> -    //             if (ProcessLinuxLog::AtTopNestLevel())
>> -    //                 log->Print(msg);
>> -    //         }
>> -    //         NestingFunc();
>> -    //         if (log)
>> -    //             ProcessLinuxLog::DecNestLevel();
>> -    //     }
>> -
>> -    static bool
>> -    AtTopNestLevel()
>> -    {
>> -        return m_nestinglevel == 1;
>> -    }
>> -
>> -    static void
>> -    IncNestLevel()
>> -    {
>> -        ++m_nestinglevel;
>> -    }
>> -
>> -    static void
>> -    DecNestLevel()
>> -    {
>> -        --m_nestinglevel;
>> -        assert(m_nestinglevel >= 0);
>> -    }
>> -};
>> -
>> -#endif  // liblldb_ProcessLinuxLog_h_
>> Index: source/Plugins/Process/Linux/RegisterContextLinux.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/RegisterContextLinux.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/RegisterContextLinux.h	(working copy)
>> @@ -1,40 +0,0 @@
>> -//===-- RegisterContext_x86_64.h --------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_RegisterContextLinux_H_
>> -#define liblldb_RegisterContextLinux_H_
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -#include "lldb/Target/RegisterContext.h"
>> -
>> -//------------------------------------------------------------------------------
>> -/// @class RegisterContextLinux
>> -///
>> -/// @brief Extends RegisterClass with a few virtual operations useful on Linux.
>> -class RegisterContextLinux
>> -    : public lldb_private::RegisterContext
>> -{
>> -public:
>> -    RegisterContextLinux(lldb_private::Thread &thread,
>> -                         uint32_t concrete_frame_idx)
>> -        : RegisterContext(thread, concrete_frame_idx) { }
>> -
>> -    /// Updates the register state of the associated thread after hitting a
>> -    /// breakpoint (if that make sense for the architecture).  Default
>> -    /// implementation simply returns true for architectures which do not
>> -    /// require any update.
>> -    ///
>> -    /// @return
>> -    ///    True if the operation succeeded and false otherwise.
>> -    virtual bool UpdateAfterBreakpoint() { return true; }
>> -};
>> -
>> -#endif // #ifndef liblldb_RegisterContextLinux_H_
>> Index: source/Plugins/Process/Linux/LinuxStopInfo.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/LinuxStopInfo.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/LinuxStopInfo.cpp	(working copy)
>> @@ -1,60 +0,0 @@
>> -//===-- LinuxStopInfo.cpp ---------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#include "LinuxStopInfo.h"
>> -
>> -using namespace lldb;
>> -using namespace lldb_private;
>> -
>> -
>> -//===----------------------------------------------------------------------===//
>> -// LinuxLimboStopInfo
>> -
>> -LinuxLimboStopInfo::~LinuxLimboStopInfo() { }
>> -
>> -lldb::StopReason
>> -LinuxLimboStopInfo::GetStopReason() const
>> -{
>> -    return lldb::eStopReasonTrace;
>> -}
>> -
>> -const char *
>> -LinuxLimboStopInfo::GetDescription()
>> -{
>> -    return "thread exiting";
>> -}
>> -
>> -bool
>> -LinuxLimboStopInfo::ShouldStop(Event *event_ptr)
>> -{
>> -    return true;
>> -}
>> -
>> -bool
>> -LinuxLimboStopInfo::ShouldNotify(Event *event_ptr)
>> -{
>> -    return true;
>> -}
>> -
>> -//===----------------------------------------------------------------------===//
>> -// LinuxCrashStopInfo
>> -
>> -LinuxCrashStopInfo::~LinuxCrashStopInfo() { }
>> -
>> -lldb::StopReason
>> -LinuxCrashStopInfo::GetStopReason() const
>> -{
>> -    return lldb::eStopReasonException;
>> -}
>> -
>> -const char *
>> -LinuxCrashStopInfo::GetDescription()
>> -{
>> -    return ProcessMessage::GetCrashReasonString(m_crash_reason);
>> -}
>> Index: source/Plugins/Process/Linux/RegisterContextLinux_i386.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/RegisterContextLinux_i386.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/RegisterContextLinux_i386.cpp	(working copy)
>> @@ -1,650 +0,0 @@
>> -//===-- RegisterContextLinux_i386.cpp ---------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#include "lldb/Core/DataExtractor.h"
>> -#include "lldb/Target/Thread.h"
>> -#include "lldb/Host/Endian.h"
>> -
>> -#include "ProcessLinux.h"
>> -#include "ProcessLinuxLog.h"
>> -#include "ProcessMonitor.h"
>> -#include "RegisterContextLinux_i386.h"
>> -
>> -using namespace lldb_private;
>> -using namespace lldb;
>> -
>> -enum
>> -{
>> -    k_first_gpr,
>> -    gpr_eax = k_first_gpr,
>> -    gpr_ebx,
>> -    gpr_ecx,
>> -    gpr_edx,
>> -    gpr_edi,
>> -    gpr_esi,
>> -    gpr_ebp,
>> -    gpr_esp,
>> -    gpr_ss,
>> -    gpr_eflags,
>> -    gpr_eip,
>> -    gpr_cs,
>> -    gpr_ds,
>> -    gpr_es,
>> -    gpr_fs,
>> -    gpr_gs,
>> -    k_last_gpr = gpr_gs,
>> -
>> -    k_first_fpr,
>> -    fpu_fcw = k_first_fpr,
>> -    fpu_fsw,
>> -    fpu_ftw,
>> -    fpu_fop,
>> -    fpu_ip,
>> -    fpu_cs,
>> -    fpu_foo,
>> -    fpu_fos,
>> -    fpu_mxcsr,
>> -    fpu_stmm0,
>> -    fpu_stmm1,
>> -    fpu_stmm2,
>> -    fpu_stmm3,
>> -    fpu_stmm4,
>> -    fpu_stmm5,
>> -    fpu_stmm6,
>> -    fpu_stmm7,
>> -    fpu_xmm0,
>> -    fpu_xmm1,
>> -    fpu_xmm2,
>> -    fpu_xmm3,
>> -    fpu_xmm4,
>> -    fpu_xmm5,
>> -    fpu_xmm6,
>> -    fpu_xmm7,
>> -    k_last_fpr = fpu_xmm7,
>> -
>> -    k_num_registers,
>> -    k_num_gpr_registers = k_last_gpr - k_first_gpr + 1,
>> -    k_num_fpu_registers = k_last_fpr - k_first_fpr + 1
>> -};
>> -
>> -// Number of register sets provided by this context.
>> -enum
>> -{
>> -    k_num_register_sets = 2
>> -};
>> -
>> -enum
>> -{
>> -    gcc_eax = 0,
>> -    gcc_ecx,
>> -    gcc_edx,
>> -    gcc_ebx,
>> -    gcc_ebp,
>> -    gcc_esp,
>> -    gcc_esi,
>> -    gcc_edi,
>> -    gcc_eip,
>> -    gcc_eflags
>> -};
>> -
>> -enum
>> -{
>> -    dwarf_eax = 0,
>> -    dwarf_ecx,
>> -    dwarf_edx,
>> -    dwarf_ebx,
>> -    dwarf_esp,
>> -    dwarf_ebp,
>> -    dwarf_esi,
>> -    dwarf_edi,
>> -    dwarf_eip,
>> -    dwarf_eflags,
>> -    dwarf_stmm0 = 11,
>> -    dwarf_stmm1,
>> -    dwarf_stmm2,
>> -    dwarf_stmm3,
>> -    dwarf_stmm4,
>> -    dwarf_stmm5,
>> -    dwarf_stmm6,
>> -    dwarf_stmm7,
>> -    dwarf_xmm0 = 21,
>> -    dwarf_xmm1,
>> -    dwarf_xmm2,
>> -    dwarf_xmm3,
>> -    dwarf_xmm4,
>> -    dwarf_xmm5,
>> -    dwarf_xmm6,
>> -    dwarf_xmm7
>> -};
>> -
>> -enum
>> -{
>> -    gdb_eax        =  0,
>> -    gdb_ecx        =  1,
>> -    gdb_edx        =  2,
>> -    gdb_ebx        =  3,
>> -    gdb_esp        =  4,
>> -    gdb_ebp        =  5,
>> -    gdb_esi        =  6,
>> -    gdb_edi        =  7,
>> -    gdb_eip        =  8,
>> -    gdb_eflags     =  9,
>> -    gdb_cs         = 10,
>> -    gdb_ss         = 11,
>> -    gdb_ds         = 12,
>> -    gdb_es         = 13,
>> -    gdb_fs         = 14,
>> -    gdb_gs         = 15,
>> -    gdb_stmm0      = 16,
>> -    gdb_stmm1      = 17,
>> -    gdb_stmm2      = 18,
>> -    gdb_stmm3      = 19,
>> -    gdb_stmm4      = 20,
>> -    gdb_stmm5      = 21,
>> -    gdb_stmm6      = 22,
>> -    gdb_stmm7      = 23,
>> -    gdb_fcw        = 24,
>> -    gdb_fsw        = 25,
>> -    gdb_ftw        = 26,
>> -    gdb_fpu_cs     = 27,
>> -    gdb_ip         = 28,
>> -    gdb_fpu_ds     = 29,
>> -    gdb_dp         = 30,
>> -    gdb_fop        = 31,
>> -    gdb_xmm0       = 32,
>> -    gdb_xmm1       = 33,
>> -    gdb_xmm2       = 34,
>> -    gdb_xmm3       = 35,
>> -    gdb_xmm4       = 36,
>> -    gdb_xmm5       = 37,
>> -    gdb_xmm6       = 38,
>> -    gdb_xmm7       = 39,
>> -    gdb_mxcsr      = 40,
>> -    gdb_mm0        = 41,
>> -    gdb_mm1        = 42,
>> -    gdb_mm2        = 43,
>> -    gdb_mm3        = 44,
>> -    gdb_mm4        = 45,
>> -    gdb_mm5        = 46,
>> -    gdb_mm6        = 47,
>> -    gdb_mm7        = 48
>> -};
>> -
>> -static const
>> -uint32_t g_gpr_regnums[k_num_gpr_registers] =
>> -{
>> -    gpr_eax,
>> -    gpr_ebx,
>> -    gpr_ecx,
>> -    gpr_edx,
>> -    gpr_edi,
>> -    gpr_esi,
>> -    gpr_ebp,
>> -    gpr_esp,
>> -    gpr_ss,
>> -    gpr_eflags,
>> -    gpr_eip,
>> -    gpr_cs,
>> -    gpr_ds,
>> -    gpr_es,
>> -    gpr_fs,
>> -    gpr_gs,
>> -};
>> -
>> -static const uint32_t
>> -g_fpu_regnums[k_num_fpu_registers] =
>> -{
>> -    fpu_fcw,
>> -    fpu_fsw,
>> -    fpu_ftw,
>> -    fpu_fop,
>> -    fpu_ip,
>> -    fpu_cs,
>> -    fpu_foo,
>> -    fpu_fos,
>> -    fpu_mxcsr,
>> -    fpu_stmm0,
>> -    fpu_stmm1,
>> -    fpu_stmm2,
>> -    fpu_stmm3,
>> -    fpu_stmm4,
>> -    fpu_stmm5,
>> -    fpu_stmm6,
>> -    fpu_stmm7,
>> -    fpu_xmm0,
>> -    fpu_xmm1,
>> -    fpu_xmm2,
>> -    fpu_xmm3,
>> -    fpu_xmm4,
>> -    fpu_xmm5,
>> -    fpu_xmm6,
>> -    fpu_xmm7,
>> -};
>> -
>> -static const RegisterSet
>> -g_reg_sets[k_num_register_sets] =
>> -{
>> -    { "General Purpose Registers", "gpr", k_num_gpr_registers, g_gpr_regnums },
>> -    { "Floating Point Registers",  "fpu", k_num_fpu_registers, g_fpu_regnums }
>> -};
>> -
>> -// Computes the offset of the given GPR in the user data area.
>> -#define GPR_OFFSET(regname) \
>> -    (offsetof(RegisterContextLinux_i386::UserArea, regs) + \
>> -     offsetof(RegisterContextLinux_i386::GPR, regname))
>> -
>> -// Computes the offset of the given FPR in the user data area.
>> -#define FPR_OFFSET(regname) \
>> -    (offsetof(RegisterContextLinux_i386::UserArea, i387) + \
>> -     offsetof(RegisterContextLinux_i386::FPU, regname))
>> -
>> -// Number of bytes needed to represent a GPR.
>> -#define GPR_SIZE(reg) sizeof(((RegisterContextLinux_i386::GPR*)NULL)->reg)
>> -
>> -// Number of bytes needed to represent a FPR.
>> -#define FPR_SIZE(reg) sizeof(((RegisterContextLinux_i386::FPU*)NULL)->reg)
>> -
>> -// Number of bytes needed to represent the i'th FP register.
>> -#define FP_SIZE sizeof(((RegisterContextLinux_i386::MMSReg*)NULL)->bytes)
>> -
>> -// Number of bytes needed to represent an XMM register.
>> -#define XMM_SIZE sizeof(RegisterContextLinux_i386::XMMReg)
>> -
>> -#define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4)        \
>> -    { #reg, alt, GPR_SIZE(reg), GPR_OFFSET(reg), eEncodingUint, \
>> -      eFormatHex, { kind1, kind2, kind3, kind4, gpr_##reg } }
>> -
>> -#define DEFINE_FPR(reg, kind1, kind2, kind3, kind4)              \
>> -    { #reg, NULL, FPR_SIZE(reg), FPR_OFFSET(reg), eEncodingUint, \
>> -      eFormatHex, { kind1, kind2, kind3, kind4, fpu_##reg } }
>> -
>> -#define DEFINE_FP(reg, i)                                          \
>> -    { #reg#i, NULL, FP_SIZE, FPR_OFFSET(reg[i]), eEncodingVector,  \
>> -      eFormatVectorOfUInt8,                                        \
>> -      { dwarf_##reg##i, dwarf_##reg##i,                            \
>> -        LLDB_INVALID_REGNUM, gdb_##reg##i, fpu_##reg##i } }
>> -
>> -#define DEFINE_XMM(reg, i)                                         \
>> -    { #reg#i, NULL, XMM_SIZE, FPR_OFFSET(reg[i]), eEncodingVector, \
>> -      eFormatVectorOfUInt8,                                        \
>> -      { dwarf_##reg##i, dwarf_##reg##i,                            \
>> -        LLDB_INVALID_REGNUM, gdb_##reg##i, fpu_##reg##i } }
>> -
>> -static RegisterInfo
>> -g_register_infos[k_num_registers] =
>> -{
>> -    // General purpose registers.
>> -    DEFINE_GPR(eax,    NULL,    gcc_eax,    dwarf_eax,    LLDB_INVALID_REGNUM,    gdb_eax),
>> -    DEFINE_GPR(ebx,    NULL,    gcc_ebx,    dwarf_ebx,    LLDB_INVALID_REGNUM,    gdb_ebx),
>> -    DEFINE_GPR(ecx,    NULL,    gcc_ecx,    dwarf_ecx,    LLDB_INVALID_REGNUM,    gdb_ecx),
>> -    DEFINE_GPR(edx,    NULL,    gcc_edx,    dwarf_edx,    LLDB_INVALID_REGNUM,    gdb_edx),
>> -    DEFINE_GPR(edi,    NULL,    gcc_edi,    dwarf_edi,    LLDB_INVALID_REGNUM,    gdb_edi),
>> -    DEFINE_GPR(esi,    NULL,    gcc_esi,    dwarf_esi,    LLDB_INVALID_REGNUM,    gdb_esi),
>> -    DEFINE_GPR(ebp,    "fp",    gcc_ebp,    dwarf_ebp,    LLDB_INVALID_REGNUM,    gdb_ebp),
>> -    DEFINE_GPR(esp,    "sp",    gcc_esp,    dwarf_esp,    LLDB_INVALID_REGNUM,    gdb_esp),
>> -    DEFINE_GPR(ss,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_ss),
>> -    DEFINE_GPR(eflags, "flags", gcc_eflags, dwarf_eflags, LLDB_INVALID_REGNUM,    gdb_eflags),
>> -    DEFINE_GPR(eip,    "pc",    gcc_eip,    dwarf_eip,    LLDB_INVALID_REGNUM,    gdb_eip),
>> -    DEFINE_GPR(cs,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_cs),
>> -    DEFINE_GPR(ds,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_ds),
>> -    DEFINE_GPR(es,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_es),
>> -    DEFINE_GPR(fs,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_fs),
>> -    DEFINE_GPR(gs,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_gs),
>> -
>> -    // Floating point registers.
>> -    DEFINE_FPR(fcw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fcw),
>> -    DEFINE_FPR(fsw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fsw),
>> -    DEFINE_FPR(ftw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_ftw),
>> -    DEFINE_FPR(fop,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fop),
>> -    DEFINE_FPR(ip,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_ip),
>> -    DEFINE_FPR(cs,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_cs),
>> -    DEFINE_FPR(foo,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_dp),
>> -    DEFINE_FPR(fos,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ds),
>> -    DEFINE_FPR(mxcsr,     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_mxcsr),
>> -
>> -    DEFINE_FP(stmm, 0),
>> -    DEFINE_FP(stmm, 1),
>> -    DEFINE_FP(stmm, 2),
>> -    DEFINE_FP(stmm, 3),
>> -    DEFINE_FP(stmm, 4),
>> -    DEFINE_FP(stmm, 5),
>> -    DEFINE_FP(stmm, 6),
>> -    DEFINE_FP(stmm, 7),
>> -
>> -    // XMM registers
>> -    DEFINE_XMM(xmm, 0),
>> -    DEFINE_XMM(xmm, 1),
>> -    DEFINE_XMM(xmm, 2),
>> -    DEFINE_XMM(xmm, 3),
>> -    DEFINE_XMM(xmm, 4),
>> -    DEFINE_XMM(xmm, 5),
>> -    DEFINE_XMM(xmm, 6),
>> -    DEFINE_XMM(xmm, 7),
>> -
>> -};
>> -
>> -#ifndef NDEBUG
>> -static size_t k_num_register_infos = (sizeof(g_register_infos)/sizeof(RegisterInfo));
>> -#endif
>> -
>> -static unsigned GetRegOffset(unsigned reg)
>> -{
>> -    assert(reg < k_num_registers && "Invalid register number.");
>> -    return g_register_infos[reg].byte_offset;
>> -}
>> -
>> -#if 0 // These functions are currently not in use.
>> -static unsigned GetRegSize(unsigned reg)
>> -{
>> -    assert(reg < k_num_registers && "Invalid register number.");
>> -    return g_register_infos[reg].byte_size;
>> -}
>> -
>> -static bool IsGPR(unsigned reg)
>> -{
>> -    return reg <= k_last_gpr;   // GPR's come first.
>> -}
>> -
>> -static bool IsFPR(unsigned reg)
>> -{
>> -    return (k_first_fpr <= reg && reg <= k_last_fpr);
>> -}
>> -#endif
>> -
>> -
>> -RegisterContextLinux_i386::RegisterContextLinux_i386(Thread &thread,
>> -                                                     uint32_t concrete_frame_idx)
>> -    : RegisterContextLinux(thread, concrete_frame_idx)
>> -{
>> -}
>> -
>> -RegisterContextLinux_i386::~RegisterContextLinux_i386()
>> -{
>> -}
>> -
>> -ProcessMonitor &
>> -RegisterContextLinux_i386::GetMonitor()
>> -{
>> -    ProcessLinux *process = static_cast<ProcessLinux*>(CalculateProcess());
>> -    return process->GetMonitor();
>> -}
>> -
>> -void
>> -RegisterContextLinux_i386::Invalidate()
>> -{
>> -}
>> -
>> -void
>> -RegisterContextLinux_i386::InvalidateAllRegisters()
>> -{
>> -}
>> -
>> -size_t
>> -RegisterContextLinux_i386::GetRegisterCount()
>> -{
>> -    assert(k_num_register_infos == k_num_registers);
>> -    return k_num_registers;
>> -}
>> -
>> -const RegisterInfo *
>> -RegisterContextLinux_i386::GetRegisterInfoAtIndex(uint32_t reg)
>> -{
>> -    assert(k_num_register_infos == k_num_registers);
>> -    if (reg < k_num_registers)
>> -        return &g_register_infos[reg];
>> -    else
>> -        return NULL;
>> -}
>> -
>> -size_t
>> -RegisterContextLinux_i386::GetRegisterSetCount()
>> -{
>> -    return k_num_register_sets;
>> -}
>> -
>> -const RegisterSet *
>> -RegisterContextLinux_i386::GetRegisterSet(uint32_t set)
>> -{
>> -    if (set < k_num_register_sets)
>> -        return &g_reg_sets[set];
>> -    else
>> -        return NULL;
>> -}
>> -
>> -unsigned
>> -RegisterContextLinux_i386::GetRegisterIndexFromOffset(unsigned offset)
>> -{
>> -    unsigned reg;
>> -    for (reg = 0; reg < k_num_registers; reg++)
>> -    {
>> -        if (g_register_infos[reg].byte_offset == offset)
>> -            break;
>> -    }
>> -    assert(reg < k_num_registers && "Invalid register offset.");
>> -    return reg;
>> -}
>> -
>> -const char *
>> -RegisterContextLinux_i386::GetRegisterName(unsigned reg)
>> -{
>> -    assert(reg < k_num_registers && "Invalid register offset.");
>> -    return g_register_infos[reg].name;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::ReadRegister(const RegisterInfo *reg_info,
>> -                                        RegisterValue &value)
>> -{
>> -    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.ReadRegisterValue(GetRegOffset(reg), value);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::ReadAllRegisterValues(DataBufferSP &data_sp)
>> -{
>> -    return false;
>> -}
>> -
>> -bool RegisterContextLinux_i386::WriteRegister(const RegisterInfo *reg_info,
>> -                                              const RegisterValue &value)
>> -{
>> -    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.WriteRegisterValue(GetRegOffset(reg), value);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::WriteAllRegisterValues(const DataBufferSP &data)
>> -{
>> -    return false;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::UpdateAfterBreakpoint()
>> -{
>> -    // PC points one byte past the int3 responsible for the breakpoint.
>> -    lldb::addr_t pc;
>> -
>> -    if ((pc = GetPC()) == LLDB_INVALID_ADDRESS)
>> -        return false;
>> -
>> -    SetPC(pc - 1);
>> -    return true;
>> -}
>> -
>> -uint32_t
>> -RegisterContextLinux_i386::ConvertRegisterKindToRegisterNumber(uint32_t kind,
>> -                                                               uint32_t num)
>> -{
>> -    if (kind == eRegisterKindGeneric)
>> -    {
>> -        switch (num)
>> -        {
>> -        case LLDB_REGNUM_GENERIC_PC:    return gpr_eip;
>> -        case LLDB_REGNUM_GENERIC_SP:    return gpr_esp;
>> -        case LLDB_REGNUM_GENERIC_FP:    return gpr_ebp;
>> -        case LLDB_REGNUM_GENERIC_FLAGS: return gpr_eflags;
>> -        case LLDB_REGNUM_GENERIC_RA:
>> -        default:
>> -            return LLDB_INVALID_REGNUM;
>> -        }
>> -    }
>> -
>> -    if (kind == eRegisterKindGCC || kind == eRegisterKindDWARF)
>> -    {
>> -        switch (num)
>> -        {
>> -        case dwarf_eax:  return gpr_eax;
>> -        case dwarf_edx:  return gpr_edx;
>> -        case dwarf_ecx:  return gpr_ecx;
>> -        case dwarf_ebx:  return gpr_ebx;
>> -        case dwarf_esi:  return gpr_esi;
>> -        case dwarf_edi:  return gpr_edi;
>> -        case dwarf_ebp:  return gpr_ebp;
>> -        case dwarf_esp:  return gpr_esp;
>> -        case dwarf_eip:  return gpr_eip;
>> -        case dwarf_xmm0: return fpu_xmm0;
>> -        case dwarf_xmm1: return fpu_xmm1;
>> -        case dwarf_xmm2: return fpu_xmm2;
>> -        case dwarf_xmm3: return fpu_xmm3;
>> -        case dwarf_xmm4: return fpu_xmm4;
>> -        case dwarf_xmm5: return fpu_xmm5;
>> -        case dwarf_xmm6: return fpu_xmm6;
>> -        case dwarf_xmm7: return fpu_xmm7;
>> -        case dwarf_stmm0: return fpu_stmm0;
>> -        case dwarf_stmm1: return fpu_stmm1;
>> -        case dwarf_stmm2: return fpu_stmm2;
>> -        case dwarf_stmm3: return fpu_stmm3;
>> -        case dwarf_stmm4: return fpu_stmm4;
>> -        case dwarf_stmm5: return fpu_stmm5;
>> -        case dwarf_stmm6: return fpu_stmm6;
>> -        case dwarf_stmm7: return fpu_stmm7;
>> -        default:
>> -            return LLDB_INVALID_REGNUM;
>> -        }
>> -    }
>> -
>> -    if (kind == eRegisterKindGDB)
>> -    {
>> -        switch (num)
>> -        {
>> -        case gdb_eax     : return gpr_eax;
>> -        case gdb_ebx     : return gpr_ebx;
>> -        case gdb_ecx     : return gpr_ecx;
>> -        case gdb_edx     : return gpr_edx;
>> -        case gdb_esi     : return gpr_esi;
>> -        case gdb_edi     : return gpr_edi;
>> -        case gdb_ebp     : return gpr_ebp;
>> -        case gdb_esp     : return gpr_esp;
>> -        case gdb_eip     : return gpr_eip;
>> -        case gdb_eflags  : return gpr_eflags;
>> -        case gdb_cs      : return gpr_cs;
>> -        case gdb_ss      : return gpr_ss;
>> -        case gdb_ds      : return gpr_ds;
>> -        case gdb_es      : return gpr_es;
>> -        case gdb_fs      : return gpr_fs;
>> -        case gdb_gs      : return gpr_gs;
>> -        case gdb_stmm0   : return fpu_stmm0;
>> -        case gdb_stmm1   : return fpu_stmm1;
>> -        case gdb_stmm2   : return fpu_stmm2;
>> -        case gdb_stmm3   : return fpu_stmm3;
>> -        case gdb_stmm4   : return fpu_stmm4;
>> -        case gdb_stmm5   : return fpu_stmm5;
>> -        case gdb_stmm6   : return fpu_stmm6;
>> -        case gdb_stmm7   : return fpu_stmm7;
>> -        case gdb_fcw     : return fpu_fcw;
>> -        case gdb_fsw     : return fpu_fsw;
>> -        case gdb_ftw     : return fpu_ftw;
>> -        case gdb_fpu_cs  : return fpu_cs;
>> -        case gdb_ip      : return fpu_ip;
>> -        case gdb_fpu_ds  : return fpu_fos;
>> -        case gdb_dp      : return fpu_foo;
>> -        case gdb_fop     : return fpu_fop;
>> -        case gdb_xmm0    : return fpu_xmm0;
>> -        case gdb_xmm1    : return fpu_xmm1;
>> -        case gdb_xmm2    : return fpu_xmm2;
>> -        case gdb_xmm3    : return fpu_xmm3;
>> -        case gdb_xmm4    : return fpu_xmm4;
>> -        case gdb_xmm5    : return fpu_xmm5;
>> -        case gdb_xmm6    : return fpu_xmm6;
>> -        case gdb_xmm7    : return fpu_xmm7;
>> -        case gdb_mxcsr   : return fpu_mxcsr;
>> -        default:
>> -            return LLDB_INVALID_REGNUM;
>> -        }
>> -    }
>> -    else if (kind == eRegisterKindLLDB)
>> -    {
>> -        return num;
>> -    }
>> -
>> -    return LLDB_INVALID_REGNUM;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::HardwareSingleStep(bool enable)
>> -{
>> -    enum { TRACE_BIT = 0x100 };
>> -    uint64_t eflags;
>> -
>> -    if ((eflags = ReadRegisterAsUnsigned(gpr_eflags, -1UL)) == -1UL)
>> -        return false;
>> -
>> -    if (enable)
>> -    {
>> -        if (eflags & TRACE_BIT)
>> -            return true;
>> -
>> -        eflags |= TRACE_BIT;
>> -    }
>> -    else
>> -    {
>> -        if (!(eflags & TRACE_BIT))
>> -            return false;
>> -
>> -        eflags &= ~TRACE_BIT;
>> -    }
>> -
>> -    return WriteRegisterFromUnsigned(gpr_eflags, eflags);
>> -}
>> -
>> -void
>> -RegisterContextLinux_i386::LogGPR(const char *title)
>> -{
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_REGISTERS));
>> -    if (log)
>> -    {
>> -        if (title)
>> -            log->Printf ("%s", title);
>> -        for (uint32_t i=0; i<k_num_gpr_registers; i++)
>> -        {
>> -            uint32_t reg = gpr_eax + i;
>> -            log->Printf("%12s = 0x%8.8x", g_register_infos[reg].name, (&user.regs)[reg]);
>> -        }
>> -    }
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::ReadGPR()
>> -{
>> -    bool result;
>> -
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    result = monitor.ReadGPR(&user.regs);
>> -    LogGPR("RegisterContextLinux_i386::ReadGPR()");
>> -    return result;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_i386::ReadFPR()
>> -{
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.ReadFPR(&user.i387);
>> -}
>> Index: source/Plugins/Process/Linux/ProcessMessage.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessMessage.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessMessage.cpp	(working copy)
>> @@ -1,245 +0,0 @@
>> -//===-- ProcessMessage.cpp --------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#include "ProcessMessage.h"
>> -
>> -using namespace lldb_private;
>> -
>> -const char *
>> -ProcessMessage::GetCrashReasonString(CrashReason reason)
>> -{
>> -    const char *str = NULL;
>> -
>> -    switch (reason)
>> -    {
>> -    default:
>> -        assert(false && "invalid CrashReason");
>> -        break;
>> -
>> -    case eInvalidAddress:
>> -        str = "invalid address";
>> -        break;
>> -    case ePrivilegedAddress:
>> -        str = "address access protected";
>> -        break;
>> -    case eIllegalOpcode:
>> -        str = "illegal instruction";
>> -        break;
>> -    case eIllegalOperand:
>> -        str = "illegal instruction operand";
>> -        break;
>> -    case eIllegalAddressingMode:
>> -        str = "illegal addressing mode";
>> -        break;
>> -    case eIllegalTrap:
>> -        str = "illegal trap";
>> -        break;
>> -    case ePrivilegedOpcode:
>> -        str = "privileged instruction";
>> -        break;
>> -    case ePrivilegedRegister:
>> -        str = "privileged register";
>> -        break;
>> -    case eCoprocessorError:
>> -        str = "coprocessor error";
>> -        break;
>> -    case eInternalStackError:
>> -        str = "internal stack error";
>> -        break;
>> -    case eIllegalAlignment:
>> -        str = "illegal alignment";
>> -        break;
>> -    case eIllegalAddress:
>> -        str = "illegal address";
>> -        break;
>> -    case eHardwareError:
>> -        str = "hardware error";
>> -        break;
>> -    case eIntegerDivideByZero:
>> -        str = "integer divide by zero";
>> -        break;
>> -    case eIntegerOverflow:
>> -        str = "integer overflow";
>> -        break;
>> -    case eFloatDivideByZero:
>> -        str = "floating point divide by zero";
>> -        break;
>> -    case eFloatOverflow:
>> -        str = "floating point overflow";
>> -        break;
>> -    case eFloatUnderflow:
>> -        str = "floating point underflow";
>> -        break;
>> -    case eFloatInexactResult:
>> -        str = "inexact floating point result";
>> -        break;
>> -    case eFloatInvalidOperation:
>> -        str = "invalid floating point operation";
>> -        break;
>> -    case eFloatSubscriptRange:
>> -        str = "invalid floating point subscript range";
>> -        break;
>> -    }
>> -
>> -    return str;
>> -}
>> -
>> -const char *
>> -ProcessMessage::PrintCrashReason(CrashReason reason)
>> -{
>> -#ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> -    // Just return the code in asci for integration builds.
>> -    chcar str[8];
>> -    sprintf(str, "%d", reason);
>> -#else
>> -    const char *str = NULL;
>> -
>> -    switch (reason)
>> -    {
>> -    default:
>> -        assert(false && "invalid CrashReason");
>> -        break;
>> -
>> -        case eInvalidCrashReason:
>> -            str = "eInvalidCrashReason";
>> -            break;
>> -
>> -        // SIGSEGV crash rcase easons.
>> -        case eInvalidAddress:
>> -            str = "eInvalidAddress";
>> -            break;
>> -        case ePrivilegedAddress:
>> -            str = "ePrivilegedAddress";
>> -            break;
>> -
>> -        // SIGILL crash rcase easons.
>> -        case eIllegalOpcode:
>> -            str = "eIllegalOpcode";
>> -            break;
>> -        case eIllegalOperand:
>> -            str = "eIllegalOperand";
>> -            break;
>> -        case eIllegalAddressingMode:
>> -            str = "eIllegalAddressingMode";
>> -            break;
>> -        case eIllegalTrap:
>> -            str = "eIllegalTrap";
>> -            break;
>> -        case ePrivilegedOpcode:
>> -            str = "ePrivilegedOpcode";
>> -            break;
>> -        case ePrivilegedRegister:
>> -            str = "ePrivilegedRegister";
>> -            break;
>> -        case eCoprocessorError:
>> -            str = "eCoprocessorError";
>> -            break;
>> -        case eInternalStackError:
>> -            str = "eInternalStackError";
>> -            break;
>> -
>> -        // SIGBUS crash rcase easons:
>> -        case eIllegalAlignment:
>> -            str = "eIllegalAlignment";
>> -            break;
>> -        case eIllegalAddress:
>> -            str = "eIllegalAddress";
>> -            break;
>> -        case eHardwareError:
>> -            str = "eHardwareError";
>> -            break;
>> -
>> -        // SIGFPE crash rcase easons:
>> -        case eIntegerDivideByZero:
>> -            str = "eIntegerDivideByZero";
>> -            break;
>> -        case eIntegerOverflow:
>> -            str = "eIntegerOverflow";
>> -            break;
>> -        case eFloatDivideByZero:
>> -            str = "eFloatDivideByZero";
>> -            break;
>> -        case eFloatOverflow:
>> -            str = "eFloatOverflow";
>> -            break;
>> -        case eFloatUnderflow:
>> -            str = "eFloatUnderflow";
>> -            break;
>> -        case eFloatInexactResult:
>> -            str = "eFloatInexactResult";
>> -            break;
>> -        case eFloatInvalidOperation:
>> -            str = "eFloatInvalidOperation";
>> -            break;
>> -        case eFloatSubscriptRange:
>> -            str = "eFloatSubscriptRange";
>> -            break;
>> -    }
>> -#endif
>> -
>> -    return str;
>> -}
>> -
>> -const char *
>> -ProcessMessage::PrintCrashReason() const
>> -{
>> -    return PrintCrashReason(m_crash_reason);
>> -}
>> -
>> -const char *
>> -ProcessMessage::PrintKind(Kind kind)
>> -{
>> -#ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> -    // Just return the code in asci for integration builds.
>> -    chcar str[8];
>> -    sprintf(str, "%d", reason);
>> -#else
>> -    const char *str = NULL;
>> -
>> -    switch (kind)
>> -    {
>> -    default:
>> -        assert(false && "invalid Kind");
>> -        break;
>> -
>> -    case eInvalidMessage:
>> -        str = "eInvalidMessage";
>> -        break;
>> -    case eExitMessage:
>> -        str = "eExitMessage";
>> -        break;
>> -    case eLimboMessage:
>> -        str = "eLimboMessage";
>> -        break;
>> -    case eSignalMessage:
>> -        str = "eSignalMessage";
>> -        break;
>> -    case eSignalDeliveredMessage:
>> -        str = "eSignalDeliveredMessage";
>> -        break;
>> -    case eTraceMessage:
>> -        str = "eTraceMessage";
>> -        break;
>> -    case eBreakpointMessage:
>> -        str = "eBreakpointMessage";
>> -        break;
>> -    case eCrashMessage:
>> -        str = "eCrashMessage";
>> -        break;
>> -    }
>> -#endif
>> -
>> -    return str;
>> -}
>> -
>> -const char *
>> -ProcessMessage::PrintKind() const
>> -{
>> -    return PrintKind(m_kind);
>> -}
>> Index: source/Plugins/Process/Linux/ProcessMonitor.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessMonitor.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessMonitor.cpp	(working copy)
>> @@ -28,9 +28,9 @@
>> #include "lldb/Target/RegisterContext.h"
>> #include "lldb/Utility/PseudoTerminal.h"
>> 
>> -#include "LinuxThread.h"
>> +#include "POSIXThread.h"
>> #include "ProcessLinux.h"
>> -#include "ProcessLinuxLog.h"
>> +#include "ProcessPOSIXLog.h"
>> #include "ProcessMonitor.h"
>> 
>> 
>> @@ -63,8 +63,8 @@
>> static void PtraceDisplayBytes(__ptrace_request &req, void *data)
>> {
>>     StreamString buf;
>> -    LogSP verbose_log (ProcessLinuxLog::GetLogIfAllCategoriesSet (
>> -                                        LINUX_LOG_PTRACE | LINUX_LOG_VERBOSE));
>> +    LogSP verbose_log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (
>> +                                        POSIX_LOG_PTRACE | POSIX_LOG_VERBOSE));
>> 
>>     if (verbose_log)
>>     {
>> @@ -120,7 +120,7 @@
>> {
>>     long int result;
>> 
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_PTRACE));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PTRACE));
>> 
>>     if (log)
>>         log->Printf("ptrace(%s, %u, %p, %p) called from file %s line %d",
>> @@ -170,10 +170,10 @@
>>     size_t remainder;
>>     long data;
>> 
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_ALL));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_ALL));
>>     if (log)
>> -        ProcessLinuxLog::IncNestLevel();
>> -    if (log && ProcessLinuxLog::AtTopNestLevel() && log->GetMask().Test(LINUX_LOG_MEMORY))
>> +        ProcessPOSIXLog::IncNestLevel();
>> +    if (log && ProcessPOSIXLog::AtTopNestLevel() && log->GetMask().Test(POSIX_LOG_MEMORY))
>>         log->Printf ("ProcessMonitor::%s(%d, %d, %p, %p, %d, _)", __FUNCTION__,
>>                      pid, word_size, (void*)vm_addr, buf, size);
>> 
>> @@ -187,7 +187,7 @@
>>         {
>>             error.SetErrorToErrno();
>>             if (log)
>> -                ProcessLinuxLog::DecNestLevel();
>> +                ProcessPOSIXLog::DecNestLevel();
>>             return bytes_read;
>>         }
>> 
>> @@ -200,10 +200,10 @@
>>         for (unsigned i = 0; i < remainder; ++i)
>>             dst[i] = ((data >> i*8) & 0xFF);
>> 
>> -        if (log && ProcessLinuxLog::AtTopNestLevel() &&
>> -            (log->GetMask().Test(LINUX_LOG_MEMORY_DATA_LONG) ||
>> -             (log->GetMask().Test(LINUX_LOG_MEMORY_DATA_SHORT) &&
>> -              size <= LINUX_LOG_MEMORY_SHORT_BYTES)))
>> +        if (log && ProcessPOSIXLog::AtTopNestLevel() &&
>> +            (log->GetMask().Test(POSIX_LOG_MEMORY_DATA_LONG) ||
>> +             (log->GetMask().Test(POSIX_LOG_MEMORY_DATA_SHORT) &&
>> +              size <= POSIX_LOG_MEMORY_SHORT_BYTES)))
>>             log->Printf ("ProcessMonitor::%s() [%p]:0x%lx (0x%lx)", __FUNCTION__,
>>                          (void*)vm_addr, *(unsigned long*)dst, (unsigned long)data);
>> 
>> @@ -212,7 +212,7 @@
>>     }
>> 
>>     if (log)
>> -        ProcessLinuxLog::DecNestLevel();
>> +        ProcessPOSIXLog::DecNestLevel();
>>     return bytes_read;
>> }
>> 
>> @@ -224,10 +224,10 @@
>>     size_t bytes_written = 0;
>>     size_t remainder;
>> 
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_ALL));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_ALL));
>>     if (log)
>> -        ProcessLinuxLog::IncNestLevel();
>> -    if (log && ProcessLinuxLog::AtTopNestLevel() && log->GetMask().Test(LINUX_LOG_MEMORY))
>> +        ProcessPOSIXLog::IncNestLevel();
>> +    if (log && ProcessPOSIXLog::AtTopNestLevel() && log->GetMask().Test(POSIX_LOG_MEMORY))
>>         log->Printf ("ProcessMonitor::%s(%d, %d, %p, %p, %d, _)", __FUNCTION__,
>>                      pid, word_size, (void*)vm_addr, buf, size);
>> 
>> @@ -244,10 +244,10 @@
>>             for (unsigned i = 0; i < word_size; ++i)
>>                 data |= (unsigned long)src[i] << i*8;
>> 
>> -            if (log && ProcessLinuxLog::AtTopNestLevel() &&
>> -                (log->GetMask().Test(LINUX_LOG_MEMORY_DATA_LONG) ||
>> -                 (log->GetMask().Test(LINUX_LOG_MEMORY_DATA_SHORT) &&
>> -                  size <= LINUX_LOG_MEMORY_SHORT_BYTES)))
>> +            if (log && ProcessPOSIXLog::AtTopNestLevel() &&
>> +                (log->GetMask().Test(POSIX_LOG_MEMORY_DATA_LONG) ||
>> +                 (log->GetMask().Test(POSIX_LOG_MEMORY_DATA_SHORT) &&
>> +                  size <= POSIX_LOG_MEMORY_SHORT_BYTES)))
>>                  log->Printf ("ProcessMonitor::%s() [%p]:0x%lx (0x%lx)", __FUNCTION__,
>>                               (void*)vm_addr, *(unsigned long*)src, data);
>> 
>> @@ -255,7 +255,7 @@
>>             {
>>                 error.SetErrorToErrno();
>>                 if (log)
>> -                    ProcessLinuxLog::DecNestLevel();
>> +                    ProcessPOSIXLog::DecNestLevel();
>>                 return bytes_written;
>>             }
>>         }
>> @@ -266,7 +266,7 @@
>>                              buff, word_size, error) != word_size)
>>             {
>>                 if (log)
>> -                    ProcessLinuxLog::DecNestLevel();
>> +                    ProcessPOSIXLog::DecNestLevel();
>>                 return bytes_written;
>>             }
>> 
>> @@ -276,14 +276,14 @@
>>                               buff, word_size, error) != word_size)
>>             {
>>                 if (log)
>> -                    ProcessLinuxLog::DecNestLevel();
>> +                    ProcessPOSIXLog::DecNestLevel();
>>                 return bytes_written;
>>             }
>> 
>> -            if (log && ProcessLinuxLog::AtTopNestLevel() &&
>> -                (log->GetMask().Test(LINUX_LOG_MEMORY_DATA_LONG) ||
>> -                 (log->GetMask().Test(LINUX_LOG_MEMORY_DATA_SHORT) &&
>> -                  size <= LINUX_LOG_MEMORY_SHORT_BYTES)))
>> +            if (log && ProcessPOSIXLog::AtTopNestLevel() &&
>> +                (log->GetMask().Test(POSIX_LOG_MEMORY_DATA_LONG) ||
>> +                 (log->GetMask().Test(POSIX_LOG_MEMORY_DATA_SHORT) &&
>> +                  size <= POSIX_LOG_MEMORY_SHORT_BYTES)))
>>                  log->Printf ("ProcessMonitor::%s() [%p]:0x%lx (0x%lx)", __FUNCTION__,
>>                               (void*)vm_addr, *(unsigned long*)src, *(unsigned long*)buff);
>>         }
>> @@ -292,7 +292,7 @@
>>         src += word_size;
>>     }
>>     if (log)
>> -        ProcessLinuxLog::DecNestLevel();
>> +        ProcessPOSIXLog::DecNestLevel();
>>     return bytes_written;
>> }
>> 
>> @@ -420,7 +420,7 @@
>> ReadRegOperation::Execute(ProcessMonitor *monitor)
>> {
>>     lldb::pid_t pid = monitor->GetPID();
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_REGISTERS));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_REGISTERS));
>> 
>>     // Set errno to zero so that we can detect a failed peek.
>>     errno = 0;
>> @@ -434,7 +434,7 @@
>>     }
>>     if (log)
>>         log->Printf ("ProcessMonitor::%s() reg %s: 0x%x", __FUNCTION__,
>> -                     LinuxThread::GetRegisterNameFromOffset(m_offset), data);
>> +                     POSIXThread::GetRegisterNameFromOffset(m_offset), data);
>> }
>> 
>> //------------------------------------------------------------------------------
>> @@ -460,7 +460,7 @@
>> {
>>     void* buf;
>>     lldb::pid_t pid = monitor->GetPID();
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_REGISTERS));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_REGISTERS));
>> 
>>     if (sizeof(void*) == sizeof(uint64_t))
>>         buf = (void*) m_value.GetAsUInt64();
>> @@ -472,7 +472,7 @@
>> 
>>     if (log)
>>         log->Printf ("ProcessMonitor::%s() reg %s: %p", __FUNCTION__,
>> -                     LinuxThread::GetRegisterNameFromOffset(m_offset), buf);
>> +                     POSIXThread::GetRegisterNameFromOffset(m_offset), buf);
>>     if (PTRACE(PTRACE_POKEUSER, pid, (void*)m_offset, buf))
>>         m_result = false;
>>     else
>> @@ -794,7 +794,7 @@
>> /// launching or attaching to the inferior process, and then 2) servicing
>> /// operations such as register reads/writes, stepping, etc.  See the comments
>> /// on the Operation class for more info as to why this is needed.
>> -ProcessMonitor::ProcessMonitor(ProcessLinux *process,
>> +ProcessMonitor::ProcessMonitor(ProcessPOSIX *process,
>>                                Module *module,
>>                                const char *argv[],
>>                                const char *envp[],
>> @@ -802,7 +802,7 @@
>>                                const char *stdout_path,
>>                                const char *stderr_path,
>>                                lldb_private::Error &error)
>> -    : m_process(process),
>> +    : m_process(static_cast<ProcessLinux *>(process)),
>>       m_operation_thread(LLDB_INVALID_HOST_THREAD),
>>       m_pid(LLDB_INVALID_PROCESS_ID),
>>       m_terminal_fd(-1),
>> @@ -858,10 +858,10 @@
>>     }
>> }
>> 
>> -ProcessMonitor::ProcessMonitor(ProcessLinux *process,
>> +ProcessMonitor::ProcessMonitor(ProcessPOSIX *process,
>>                                lldb::pid_t pid,
>>                                lldb_private::Error &error)
>> -    : m_process(process),
>> +  : m_process(static_cast<ProcessLinux *>(process)),
>>       m_operation_thread(LLDB_INVALID_HOST_THREAD),
>>       m_pid(LLDB_INVALID_PROCESS_ID),
>>       m_terminal_fd(-1),
>> @@ -978,7 +978,7 @@
>>     lldb::pid_t pid;
>> 
>>     lldb::ThreadSP inferior;
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_PROCESS));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS));
>> 
>>     // Propagate the environment if one is not supplied.
>>     if (envp == NULL || envp[0] == NULL)
>> @@ -1101,11 +1101,10 @@
>>     if (!EnsureFDFlags(monitor->m_terminal_fd, O_NONBLOCK, args->m_error))
>>         goto FINISH;
>> 
>> -    // Update the process thread list with this new thread and mark it as
>> -    // current.
>> +    // Update the process thread list with this new thread.
>>     // FIXME: should we be letting UpdateThreadList handle this?
>>     // FIXME: by using pids instead of tids, we can only support one thread.
>> -    inferior.reset(new LinuxThread(process, pid));
>> +    inferior.reset(new POSIXThread(process, pid));
>>     if (log)
>>         log->Printf ("ProcessMonitor::%s() adding pid = %i", __FUNCTION__, pid);
>>     process.GetThreadList().AddThread(inferior);
>> @@ -1167,9 +1166,8 @@
>> 
>>     ProcessMonitor *monitor = args->m_monitor;
>>     ProcessLinux &process = monitor->GetProcess();
>> -
>>     lldb::ThreadSP inferior;
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_PROCESS));
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS));
>> 
>>     if (pid <= 1)
>>     {
>> @@ -1192,13 +1190,11 @@
>>         goto FINISH;
>>     }
>> 
>> -    // Update the process thread list with the attached thread and
>> -    // mark it as current.
>> -    inferior.reset(new LinuxThread(process, pid));
>> +    // Update the process thread list with the attached thread.
>> +    inferior.reset(new POSIXThread(process, pid));
>>     if (log)
>>         log->Printf ("ProcessMonitor::%s() adding tid = %i", __FUNCTION__, pid);
>>     process.GetThreadList().AddThread(inferior);
>> -    process.GetThreadList().SetSelectedThreadByID(pid);
>> 
>>     // Let our process instance know the thread has stopped.
>>     process.SendMessage(ProcessMessage::Trace(pid));
>> @@ -1568,7 +1564,7 @@
>> }
>> 
>> bool
>> -ProcessMonitor::ReadRegisterValue(unsigned offset, RegisterValue &value)
>> +ProcessMonitor::ReadRegisterValue(unsigned offset, unsigned size, RegisterValue &value)
>> {
>>     bool result;
>>     ReadRegOperation op(offset, value, result);
>> Index: source/Plugins/Process/Linux/LinuxStopInfo.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/LinuxStopInfo.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/LinuxStopInfo.h	(working copy)
>> @@ -1,92 +0,0 @@
>> -//===-- LinuxStopInfo.h -----------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_LinuxStopInfo_H_
>> -#define liblldb_LinuxStopInfo_H_
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -// Project includes
>> -#include "lldb/Target/StopInfo.h"
>> -
>> -#include "LinuxThread.h"
>> -#include "ProcessMessage.h"
>> -
>> -//===----------------------------------------------------------------------===//
>> -/// @class LinuxStopInfo
>> -/// @brief Simple base class for all Linux-specific StopInfo objects.
>> -///
>> -class LinuxStopInfo
>> -    : public lldb_private::StopInfo
>> -{
>> -public:
>> -    LinuxStopInfo(lldb_private::Thread &thread, uint32_t status)
>> -        : StopInfo(thread, status)
>> -        { }
>> -};
>> -
>> -//===----------------------------------------------------------------------===//
>> -/// @class LinuxLimboStopInfo
>> -/// @brief Represents the stop state of a process ready to exit.
>> -///
>> -class LinuxLimboStopInfo
>> -    : public LinuxStopInfo
>> -{
>> -public:
>> -    LinuxLimboStopInfo(LinuxThread &thread)
>> -        : LinuxStopInfo(thread, 0)
>> -        { }
>> -
>> -    ~LinuxLimboStopInfo();
>> -
>> -    lldb::StopReason
>> -    GetStopReason() const;
>> -
>> -    const char *
>> -    GetDescription();
>> -
>> -    bool
>> -    ShouldStop(lldb_private::Event *event_ptr);
>> -
>> -    bool
>> -    ShouldNotify(lldb_private::Event *event_ptr);
>> -};
>> -
>> -
>> -//===----------------------------------------------------------------------===//
>> -/// @class LinuxCrashStopInfo
>> -/// @brief Represents the stop state of process that is ready to crash.
>> -///
>> -class LinuxCrashStopInfo
>> -    : public LinuxStopInfo
>> -{
>> -public:
>> -    LinuxCrashStopInfo(LinuxThread &thread, uint32_t status, 
>> -                  ProcessMessage::CrashReason reason)
>> -        : LinuxStopInfo(thread, status),
>> -          m_crash_reason(reason)
>> -        { }
>> -
>> -    ~LinuxCrashStopInfo();
>> -
>> -    lldb::StopReason
>> -    GetStopReason() const;
>> -
>> -    const char *
>> -    GetDescription();
>> -
>> -    ProcessMessage::CrashReason
>> -    GetCrashReason() const;
>> -
>> -private:
>> -    ProcessMessage::CrashReason m_crash_reason;
>> -};    
>> -
>> -#endif
>> Index: source/Plugins/Process/Linux/LinuxThread.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/LinuxThread.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/LinuxThread.cpp	(working copy)
>> @@ -1,350 +0,0 @@
>> -//===-- LinuxThread.cpp -----------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -// C Includes
>> -#include <errno.h>
>> -
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -// Project includes
>> -#include "lldb/Core/Debugger.h"
>> -#include "lldb/Host/Host.h"
>> -#include "lldb/Target/Process.h"
>> -#include "lldb/Target/StopInfo.h"
>> -#include "lldb/Target/Target.h"
>> -#include "LinuxStopInfo.h"
>> -#include "LinuxThread.h"
>> -#include "ProcessLinux.h"
>> -#include "ProcessLinuxLog.h"
>> -#include "ProcessMonitor.h"
>> -#include "RegisterContextLinux_i386.h"
>> -#include "RegisterContextLinux_x86_64.h"
>> -#include "UnwindLLDB.h"
>> -
>> -using namespace lldb_private;
>> -
>> -
>> -LinuxThread::LinuxThread(Process &process, lldb::tid_t tid)
>> -    : Thread(process, tid),
>> -      m_frame_ap(0)
>> -{
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> -        log->Printf ("LinuxThread::%s (tid = %i)", __FUNCTION__, tid);
>> -}
>> -
>> -LinuxThread::~LinuxThread()
>> -{
>> -    DestroyThread();
>> -}
>> -
>> -ProcessMonitor &
>> -LinuxThread::GetMonitor()
>> -{
>> -    ProcessLinux &process = static_cast<ProcessLinux&>(GetProcess());
>> -    return process.GetMonitor();
>> -}
>> -
>> -void
>> -LinuxThread::RefreshStateAfterStop()
>> -{
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> -        log->Printf ("LinuxThread::%s ()", __FUNCTION__);
>> -
>> -    // Let all threads recover from stopping and do any clean up based
>> -    // on the previous thread state (if any).
>> -    ProcessLinux &process = static_cast<ProcessLinux&>(GetProcess());
>> -    process.GetThreadList().RefreshStateAfterStop();
>> -}
>> -
>> -const char *
>> -LinuxThread::GetInfo()
>> -{
>> -    return NULL;
>> -}
>> -
>> -lldb::RegisterContextSP
>> -LinuxThread::GetRegisterContext()
>> -{
>> -    if (!m_reg_context_sp)
>> -    {
>> -        ArchSpec arch = Host::GetArchitecture();
>> -
>> -        switch (arch.GetCore())
>> -        {
>> -        default:
>> -            assert(false && "CPU type not supported!");
>> -            break;
>> -
>> -        case ArchSpec::eCore_x86_32_i386:
>> -        case ArchSpec::eCore_x86_32_i486:
>> -        case ArchSpec::eCore_x86_32_i486sx:
>> -            m_reg_context_sp.reset(new RegisterContextLinux_i386(*this, 0));
>> -            break;
>> -
>> -        case ArchSpec::eCore_x86_64_x86_64:
>> -            m_reg_context_sp.reset(new RegisterContextLinux_x86_64(*this, 0));
>> -            break;
>> -        }
>> -    }
>> -    return m_reg_context_sp;
>> -}
>> -
>> -lldb::RegisterContextSP
>> -LinuxThread::CreateRegisterContextForFrame(lldb_private::StackFrame *frame)
>> -{
>> -    lldb::RegisterContextSP reg_ctx_sp;
>> -    uint32_t concrete_frame_idx = 0;
>> -
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> -        log->Printf ("LinuxThread::%s ()", __FUNCTION__);
>> -
>> -    if (frame)
>> -        concrete_frame_idx = frame->GetConcreteFrameIndex();
>> -
>> -    if (concrete_frame_idx == 0)
>> -        reg_ctx_sp = GetRegisterContext();
>> -    else
>> -    {
>> -        assert(GetUnwinder());
>> -        reg_ctx_sp = GetUnwinder()->CreateRegisterContextForFrame(frame);
>> -    }
>> -
>> -    return reg_ctx_sp;
>> -}
>> -
>> -lldb::StopInfoSP
>> -LinuxThread::GetPrivateStopReason()
>> -{
>> -    return m_stop_info;
>> -}
>> -
>> -Unwind *
>> -LinuxThread::GetUnwinder()
>> -{
>> -    if (m_unwinder_ap.get() == NULL)
>> -        m_unwinder_ap.reset(new UnwindLLDB(*this));
>> -
>> -    return m_unwinder_ap.get();
>> -}
>> -
>> -bool
>> -LinuxThread::WillResume(lldb::StateType resume_state)
>> -{
>> -    SetResumeState(resume_state);
>> -
>> -    ClearStackFrames();
>> -    if (m_unwinder_ap.get())
>> -        m_unwinder_ap->Clear();
>> -
>> -    return Thread::WillResume(resume_state);
>> -}
>> -
>> -bool
>> -LinuxThread::Resume()
>> -{
>> -    lldb::StateType resume_state = GetResumeState();
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    bool status;
>> -
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log && log->GetMask().Test(LINUX_LOG_VERBOSE))
>> -        log->Printf ("LinuxThread::%s ()", __FUNCTION__);
>> -
>> -    switch (resume_state)
>> -    {
>> -    default:
>> -        assert(false && "Unexpected state for resume!");
>> -        status = false;
>> -        break;
>> -
>> -    case lldb::eStateRunning:
>> -        SetState(resume_state);
>> -        status = monitor.Resume(GetID(), GetResumeSignal());
>> -        break;
>> -
>> -    case lldb::eStateStepping:
>> -        SetState(resume_state);
>> -        status = monitor.SingleStep(GetID(), GetResumeSignal());
>> -        break;
>> -    }
>> -
>> -    return status;
>> -}
>> -
>> -void
>> -LinuxThread::Notify(const ProcessMessage &message)
>> -{
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log)
>> -        log->Printf ("LinuxThread::%s () message kind = '%s'", __FUNCTION__, message.PrintKind());
>> -
>> -    switch (message.GetKind())
>> -    {
>> -    default:
>> -        assert(false && "Unexpected message kind!");
>> -        break;
>> -
>> -    case ProcessMessage::eLimboMessage:
>> -        LimboNotify(message);
>> -        break;
>> -        
>> -    case ProcessMessage::eSignalMessage:
>> -        SignalNotify(message);
>> -        break;
>> -
>> -    case ProcessMessage::eSignalDeliveredMessage:
>> -        SignalDeliveredNotify(message);
>> -        break;
>> -
>> -    case ProcessMessage::eTraceMessage:
>> -        TraceNotify(message);
>> -        break;
>> -
>> -    case ProcessMessage::eBreakpointMessage:
>> -        BreakNotify(message);
>> -        break;
>> -
>> -    case ProcessMessage::eCrashMessage:
>> -        CrashNotify(message);
>> -        break;
>> -    }
>> -}
>> -
>> -void
>> -LinuxThread::BreakNotify(const ProcessMessage &message)
>> -{
>> -    bool status;
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -
>> -    assert(GetRegisterContextLinux());
>> -    status = GetRegisterContextLinux()->UpdateAfterBreakpoint();
>> -    assert(status && "Breakpoint update failed!");
>> -
>> -    // With our register state restored, resolve the breakpoint object
>> -    // corresponding to our current PC.
>> -    assert(GetRegisterContext());
>> -    lldb::addr_t pc = GetRegisterContext()->GetPC();
>> -    if (log)
>> -        log->Printf ("LinuxThread::%s () PC=0x%8.8llx", __FUNCTION__, pc);
>> -    lldb::BreakpointSiteSP bp_site(GetProcess().GetBreakpointSiteList().FindByAddress(pc));
>> -    assert(bp_site);
>> -    lldb::break_id_t bp_id = bp_site->GetID();
>> -    assert(bp_site && bp_site->ValidForThisThread(this));
>> -
>> -    
>> -    m_breakpoint = bp_site;
>> -    m_stop_info = StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id);
>> -}
>> -
>> -void
>> -LinuxThread::TraceNotify(const ProcessMessage &message)
>> -{
>> -    m_stop_info = StopInfo::CreateStopReasonToTrace(*this);
>> -}
>> -
>> -void
>> -LinuxThread::LimboNotify(const ProcessMessage &message)
>> -{
>> -    m_stop_info = lldb::StopInfoSP(new LinuxLimboStopInfo(*this));
>> -}
>> -
>> -void
>> -LinuxThread::SignalNotify(const ProcessMessage &message)
>> -{
>> -    int signo = message.GetSignal();
>> -
>> -    m_stop_info = StopInfo::CreateStopReasonWithSignal(*this, signo);
>> -    SetResumeSignal(signo);
>> -}
>> -
>> -void
>> -LinuxThread::SignalDeliveredNotify(const ProcessMessage &message)
>> -{
>> -    int signo = message.GetSignal();
>> -
>> -    // Just treat debugger generated signal events like breakpoints for now.
>> -    m_stop_info = StopInfo::CreateStopReasonToTrace(*this);
>> -    SetResumeSignal(signo);
>> -}
>> -
>> -void
>> -LinuxThread::CrashNotify(const ProcessMessage &message)
>> -{
>> -    int signo = message.GetSignal();
>> -
>> -    assert(message.GetKind() == ProcessMessage::eCrashMessage);
>> -
>> -    LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet (LINUX_LOG_THREAD));
>> -    if (log)
>> -        log->Printf ("LinuxThread::%s () signo = %i, reason = '%s'", __FUNCTION__, signo, message.PrintCrashReason());
>> -
>> -    m_stop_info = lldb::StopInfoSP(new LinuxCrashStopInfo(
>> -                                       *this, signo, message.GetCrashReason()));
>> -    SetResumeSignal(signo);
>> -}
>> -
>> -unsigned
>> -LinuxThread::GetRegisterIndexFromOffset(unsigned offset)
>> -{
>> -    unsigned reg;
>> -    ArchSpec arch = Host::GetArchitecture();
>> -
>> -    switch (arch.GetCore())
>> -    {
>> -    default:
>> -        assert(false && "CPU type not supported!");
>> -        break;
>> -
>> -    case ArchSpec::eCore_x86_32_i386:
>> -    case ArchSpec::eCore_x86_32_i486:
>> -    case ArchSpec::eCore_x86_32_i486sx:
>> -        reg = RegisterContextLinux_i386::GetRegisterIndexFromOffset(offset);
>> -        break;
>> -
>> -    case ArchSpec::eCore_x86_64_x86_64:
>> -        reg = RegisterContextLinux_x86_64::GetRegisterIndexFromOffset(offset);
>> -        break;
>> -    }
>> -    return reg;
>> -}
>> -
>> -const char *
>> -LinuxThread::GetRegisterName(unsigned reg)
>> -{
>> -    const char * name;
>> -    ArchSpec arch = Host::GetArchitecture();
>> -
>> -    switch (arch.GetCore())
>> -    {
>> -    default:
>> -        assert(false && "CPU type not supported!");
>> -        break;
>> -
>> -    case ArchSpec::eCore_x86_32_i386:
>> -    case ArchSpec::eCore_x86_32_i486:
>> -    case ArchSpec::eCore_x86_32_i486sx:
>> -        name = RegisterContextLinux_i386::GetRegisterName(reg);
>> -        break;
>> -
>> -    case ArchSpec::eCore_x86_64_x86_64:
>> -        name = RegisterContextLinux_x86_64::GetRegisterName(reg);
>> -        break;
>> -    }
>> -    return name;
>> -}
>> -
>> -const char *
>> -LinuxThread::GetRegisterNameFromOffset(unsigned offset)
>> -{
>> -    return GetRegisterName(GetRegisterIndexFromOffset(offset));
>> -}
>> -
>> Index: source/Plugins/Process/Linux/RegisterContextLinux_i386.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/RegisterContextLinux_i386.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/RegisterContextLinux_i386.h	(working copy)
>> @@ -1,169 +0,0 @@
>> -//===-- RegisterContextLinux_i386.h ------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_RegisterContextLinux_i386_h_
>> -#define liblldb_RegisterContextLinux_i386_h_
>> -
>> -// C Includes
>> -// C++ Includes
>> -// Other libraries and framework includes
>> -// Project includes
>> -#include "lldb/Core/Log.h"
>> -#include "RegisterContextLinux.h"
>> -
>> -class RegisterContextLinux_i386 : public RegisterContextLinux
>> -{
>> -public:
>> -    RegisterContextLinux_i386(lldb_private::Thread &thread,
>> -                              uint32_t concreate_frame_idx);
>> -
>> -    ~RegisterContextLinux_i386();
>> -
>> -    void
>> -    Invalidate();
>> -
>> -    void
>> -    InvalidateAllRegisters();
>> -
>> -    size_t
>> -    GetRegisterCount();
>> -
>> -    const lldb_private::RegisterInfo *
>> -    GetRegisterInfoAtIndex(uint32_t reg);
>> -
>> -    size_t
>> -    GetRegisterSetCount();
>> -
>> -    const lldb_private::RegisterSet *
>> -    GetRegisterSet(uint32_t set);
>> -
>> -    static unsigned
>> -    GetRegisterIndexFromOffset(unsigned offset);
>> -
>> -    static const char *
>> -    GetRegisterName(unsigned reg);
>> -
>> -#if 0
>> -    bool
>> -    ReadRegisterValue(uint32_t reg, lldb_private::Scalar &value);
>> -
>> -    bool
>> -    ReadRegisterBytes(uint32_t reg, lldb_private::DataExtractor &data);
>> -#endif
>> -
>> -    virtual bool
>> -    ReadRegister(const lldb_private::RegisterInfo *reg_info,
>> -                 lldb_private::RegisterValue &value);
>> -
>> -    bool
>> -    ReadAllRegisterValues(lldb::DataBufferSP &data_sp);
>> -
>> -#if 0
>> -    bool
>> -    WriteRegisterValue(uint32_t reg, const lldb_private::Scalar &value);
>> -
>> -    bool
>> -    WriteRegisterBytes(uint32_t reg, lldb_private::DataExtractor &data,
>> -                       uint32_t data_offset = 0);
>> -#endif
>> -
>> -    virtual bool
>> -    WriteRegister(const lldb_private::RegisterInfo *reg_info,
>> -                  const lldb_private::RegisterValue &value);
>> -
>> -    bool
>> -    WriteAllRegisterValues(const lldb::DataBufferSP &data_sp);
>> -
>> -    uint32_t
>> -    ConvertRegisterKindToRegisterNumber(uint32_t kind, uint32_t num);
>> -
>> -    bool
>> -    HardwareSingleStep(bool enable);
>> -
>> -    bool
>> -    UpdateAfterBreakpoint();
>> -
>> -    struct GPR
>> -    {
>> -        uint32_t ebx;
>> -        uint32_t ecx;
>> -        uint32_t edx;
>> -        uint32_t esi;
>> -        uint32_t edi;
>> -        uint32_t ebp;
>> -        uint32_t eax;
>> -        uint32_t ds;
>> -        uint32_t es;
>> -        uint32_t fs;
>> -        uint32_t gs;
>> -        uint32_t orig_ax;
>> -        uint32_t eip;
>> -        uint32_t cs;
>> -        uint32_t eflags;
>> -        uint32_t esp;
>> -        uint32_t ss;
>> -    };
>> -
>> -    struct MMSReg
>> -    {
>> -        uint8_t bytes[8];
>> -    };
>> -
>> -    struct XMMReg
>> -    {
>> -        uint8_t bytes[16];
>> -    };
>> -
>> -    struct FPU
>> -    {
>> -        uint16_t    fcw;
>> -        uint16_t    fsw;
>> -        uint16_t    ftw;
>> -        uint16_t    fop;
>> -        uint32_t    ip;
>> -        uint32_t    cs;
>> -        uint32_t    foo;
>> -        uint32_t    fos;
>> -        uint32_t    mxcsr;
>> -        uint32_t    reserved;
>> -        MMSReg      stmm[8];
>> -        XMMReg      xmm[8];
>> -        uint32_t    pad[56];
>> -    };
>> -
>> -    struct UserArea
>> -    {
>> -        GPR      regs;          // General purpose registers.
>> -        int32_t  fpvalid;       // True if FPU is being used.
>> -        FPU      i387;          // FPU registers.
>> -        uint32_t tsize;         // Text segment size.
>> -        uint32_t dsize;         // Data segment size.
>> -        uint32_t ssize;         // Stack segment size.
>> -        uint32_t start_code;    // VM address of text.
>> -        uint32_t start_stack;   // VM address of stack bottom (top in rsp).
>> -        int32_t  signal;        // Signal causing core dump.
>> -        int32_t  reserved;      // Unused.
>> -        uint32_t ar0;           // Location of GPR's.
>> -        FPU*     fpstate;       // Location of FPR's.
>> -        uint32_t magic;         // Identifier for core dumps.
>> -        char     u_comm[32];    // Command causing core dump.
>> -        uint32_t u_debugreg[8]; // Debug registers (DR0 - DR7).
>> -    };
>> -private:
>> -    UserArea user;
>> -
>> -    ProcessMonitor &GetMonitor();
>> -
>> -    void LogGPR(const char *title);
>> -
>> -    bool ReadGPR();
>> -    bool ReadFPR();
>> -};
>> -
>> -#endif // #ifndef liblldb_RegisterContextLinux_i386_h_
>> Index: source/Plugins/Process/Linux/RegisterContextLinux_x86_64.cpp
>> ===================================================================
>> --- source/Plugins/Process/Linux/RegisterContextLinux_x86_64.cpp	(revision 147560)
>> +++ source/Plugins/Process/Linux/RegisterContextLinux_x86_64.cpp	(working copy)
>> @@ -1,759 +0,0 @@
>> -//===-- RegisterContextLinux_x86_64.cpp -------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#include <cstring>
>> -#include <errno.h>
>> -#include <stdint.h>
>> -
>> -#include "lldb/Core/DataBufferHeap.h"
>> -#include "lldb/Core/DataExtractor.h"
>> -#include "lldb/Core/Scalar.h"
>> -#include "lldb/Target/Thread.h"
>> -#include "lldb/Host/Endian.h"
>> -
>> -#include "ProcessLinux.h"
>> -#include "ProcessMonitor.h"
>> -#include "RegisterContextLinux_x86_64.h"
>> -
>> -using namespace lldb_private;
>> -using namespace lldb;
>> -
>> -// Internal codes for all x86_64 registers.
>> -enum
>> -{
>> -    k_first_gpr,
>> -    gpr_rax = k_first_gpr,
>> -    gpr_rbx,
>> -    gpr_rcx,
>> -    gpr_rdx,
>> -    gpr_rdi,
>> -    gpr_rsi,
>> -    gpr_rbp,
>> -    gpr_rsp,
>> -    gpr_r8,
>> -    gpr_r9,
>> -    gpr_r10,
>> -    gpr_r11,
>> -    gpr_r12,
>> -    gpr_r13,
>> -    gpr_r14,
>> -    gpr_r15,
>> -    gpr_rip,
>> -    gpr_rflags,
>> -    gpr_cs,
>> -    gpr_fs,
>> -    gpr_gs,
>> -    gpr_ss,
>> -    gpr_ds,
>> -    gpr_es,
>> -    k_last_gpr = gpr_es,
>> -
>> -    k_first_fpr,
>> -    fpu_fcw = k_first_fpr,
>> -    fpu_fsw,
>> -    fpu_ftw,
>> -    fpu_fop,
>> -    fpu_ip,
>> -    fpu_cs,
>> -    fpu_dp,
>> -    fpu_ds,
>> -    fpu_mxcsr,
>> -    fpu_mxcsrmask,
>> -    fpu_stmm0,
>> -    fpu_stmm1,
>> -    fpu_stmm2,
>> -    fpu_stmm3,
>> -    fpu_stmm4,
>> -    fpu_stmm5,
>> -    fpu_stmm6,
>> -    fpu_stmm7,
>> -    fpu_xmm0,
>> -    fpu_xmm1,
>> -    fpu_xmm2,
>> -    fpu_xmm3,
>> -    fpu_xmm4,
>> -    fpu_xmm5,
>> -    fpu_xmm6,
>> -    fpu_xmm7,
>> -    fpu_xmm8,
>> -    fpu_xmm9,
>> -    fpu_xmm10,
>> -    fpu_xmm11,
>> -    fpu_xmm12,
>> -    fpu_xmm13,
>> -    fpu_xmm14,
>> -    fpu_xmm15,
>> -    k_last_fpr = fpu_xmm15,
>> -
>> -    k_num_registers,
>> -    k_num_gpr_registers = k_last_gpr - k_first_gpr + 1,
>> -    k_num_fpu_registers = k_last_fpr - k_first_fpr + 1
>> -};
>> -
>> -// Number of register sets provided by this context.
>> -enum
>> -{
>> -    k_num_register_sets = 2
>> -};
>> -
>> -enum gcc_dwarf_regnums
>> -{
>> -    gcc_dwarf_gpr_rax = 0,
>> -    gcc_dwarf_gpr_rdx,
>> -    gcc_dwarf_gpr_rcx,
>> -    gcc_dwarf_gpr_rbx,
>> -    gcc_dwarf_gpr_rsi,
>> -    gcc_dwarf_gpr_rdi,
>> -    gcc_dwarf_gpr_rbp,
>> -    gcc_dwarf_gpr_rsp,
>> -    gcc_dwarf_gpr_r8,
>> -    gcc_dwarf_gpr_r9,
>> -    gcc_dwarf_gpr_r10,
>> -    gcc_dwarf_gpr_r11,
>> -    gcc_dwarf_gpr_r12,
>> -    gcc_dwarf_gpr_r13,
>> -    gcc_dwarf_gpr_r14,
>> -    gcc_dwarf_gpr_r15,
>> -    gcc_dwarf_gpr_rip,
>> -    gcc_dwarf_fpu_xmm0,
>> -    gcc_dwarf_fpu_xmm1,
>> -    gcc_dwarf_fpu_xmm2,
>> -    gcc_dwarf_fpu_xmm3,
>> -    gcc_dwarf_fpu_xmm4,
>> -    gcc_dwarf_fpu_xmm5,
>> -    gcc_dwarf_fpu_xmm6,
>> -    gcc_dwarf_fpu_xmm7,
>> -    gcc_dwarf_fpu_xmm8,
>> -    gcc_dwarf_fpu_xmm9,
>> -    gcc_dwarf_fpu_xmm10,
>> -    gcc_dwarf_fpu_xmm11,
>> -    gcc_dwarf_fpu_xmm12,
>> -    gcc_dwarf_fpu_xmm13,
>> -    gcc_dwarf_fpu_xmm14,
>> -    gcc_dwarf_fpu_xmm15,
>> -    gcc_dwarf_fpu_stmm0,
>> -    gcc_dwarf_fpu_stmm1,
>> -    gcc_dwarf_fpu_stmm2,
>> -    gcc_dwarf_fpu_stmm3,
>> -    gcc_dwarf_fpu_stmm4,
>> -    gcc_dwarf_fpu_stmm5,
>> -    gcc_dwarf_fpu_stmm6,
>> -    gcc_dwarf_fpu_stmm7
>> -};
>> -
>> -enum gdb_regnums
>> -{
>> -    gdb_gpr_rax     =   0,
>> -    gdb_gpr_rbx     =   1,
>> -    gdb_gpr_rcx     =   2,
>> -    gdb_gpr_rdx     =   3,
>> -    gdb_gpr_rsi     =   4,
>> -    gdb_gpr_rdi     =   5,
>> -    gdb_gpr_rbp     =   6,
>> -    gdb_gpr_rsp     =   7,
>> -    gdb_gpr_r8      =   8,
>> -    gdb_gpr_r9      =   9,
>> -    gdb_gpr_r10     =  10,
>> -    gdb_gpr_r11     =  11,
>> -    gdb_gpr_r12     =  12,
>> -    gdb_gpr_r13     =  13,
>> -    gdb_gpr_r14     =  14,
>> -    gdb_gpr_r15     =  15,
>> -    gdb_gpr_rip     =  16,
>> -    gdb_gpr_rflags  =  17,
>> -    gdb_gpr_cs      =  18,
>> -    gdb_gpr_ss      =  19,
>> -    gdb_gpr_ds      =  20,
>> -    gdb_gpr_es      =  21,
>> -    gdb_gpr_fs      =  22,
>> -    gdb_gpr_gs      =  23,
>> -    gdb_fpu_stmm0   =  24,
>> -    gdb_fpu_stmm1   =  25,
>> -    gdb_fpu_stmm2   =  26,
>> -    gdb_fpu_stmm3   =  27,
>> -    gdb_fpu_stmm4   =  28,
>> -    gdb_fpu_stmm5   =  29,
>> -    gdb_fpu_stmm6   =  30,
>> -    gdb_fpu_stmm7   =  31,
>> -    gdb_fpu_fcw     =  32,
>> -    gdb_fpu_fsw     =  33,
>> -    gdb_fpu_ftw     =  34,
>> -    gdb_fpu_cs      =  35,
>> -    gdb_fpu_ip      =  36,
>> -    gdb_fpu_ds      =  37,
>> -    gdb_fpu_dp      =  38,
>> -    gdb_fpu_fop     =  39,
>> -    gdb_fpu_xmm0    =  40,
>> -    gdb_fpu_xmm1    =  41,
>> -    gdb_fpu_xmm2    =  42,
>> -    gdb_fpu_xmm3    =  43,
>> -    gdb_fpu_xmm4    =  44,
>> -    gdb_fpu_xmm5    =  45,
>> -    gdb_fpu_xmm6    =  46,
>> -    gdb_fpu_xmm7    =  47,
>> -    gdb_fpu_xmm8    =  48,
>> -    gdb_fpu_xmm9    =  49,
>> -    gdb_fpu_xmm10   =  50,
>> -    gdb_fpu_xmm11   =  51,
>> -    gdb_fpu_xmm12   =  52,
>> -    gdb_fpu_xmm13   =  53,
>> -    gdb_fpu_xmm14   =  54,
>> -    gdb_fpu_xmm15   =  55,
>> -    gdb_fpu_mxcsr   =  56
>> -};
>> -
>> -static const
>> -uint32_t g_gpr_regnums[k_num_gpr_registers] =
>> -{
>> -    gpr_rax,
>> -    gpr_rbx,
>> -    gpr_rcx,
>> -    gpr_rdx,
>> -    gpr_rdi,
>> -    gpr_rsi,
>> -    gpr_rbp,
>> -    gpr_rsp,
>> -    gpr_r8,
>> -    gpr_r9,
>> -    gpr_r10,
>> -    gpr_r11,
>> -    gpr_r12,
>> -    gpr_r13,
>> -    gpr_r14,
>> -    gpr_r15,
>> -    gpr_rip,
>> -    gpr_rflags,
>> -    gpr_cs,
>> -    gpr_fs,
>> -    gpr_gs,
>> -    gpr_ss,
>> -    gpr_ds,
>> -    gpr_es
>> -};
>> -
>> -static const uint32_t
>> -g_fpu_regnums[k_num_fpu_registers] =
>> -{
>> -    fpu_fcw,
>> -    fpu_fsw,
>> -    fpu_ftw,
>> -    fpu_fop,
>> -    fpu_ip,
>> -    fpu_cs,
>> -    fpu_dp,
>> -    fpu_ds,
>> -    fpu_mxcsr,
>> -    fpu_mxcsrmask,
>> -    fpu_stmm0,
>> -    fpu_stmm1,
>> -    fpu_stmm2,
>> -    fpu_stmm3,
>> -    fpu_stmm4,
>> -    fpu_stmm5,
>> -    fpu_stmm6,
>> -    fpu_stmm7,
>> -    fpu_xmm0,
>> -    fpu_xmm1,
>> -    fpu_xmm2,
>> -    fpu_xmm3,
>> -    fpu_xmm4,
>> -    fpu_xmm5,
>> -    fpu_xmm6,
>> -    fpu_xmm7,
>> -    fpu_xmm8,
>> -    fpu_xmm9,
>> -    fpu_xmm10,
>> -    fpu_xmm11,
>> -    fpu_xmm12,
>> -    fpu_xmm13,
>> -    fpu_xmm14,
>> -    fpu_xmm15
>> -};
>> -
>> -static const RegisterSet
>> -g_reg_sets[k_num_register_sets] =
>> -{
>> -    { "General Purpose Registers", "gpr", k_num_gpr_registers, g_gpr_regnums },
>> -    { "Floating Point Registers",  "fpu", k_num_fpu_registers, g_fpu_regnums }
>> -};
>> -
>> -// Computes the offset of the given GPR in the user data area.
>> -#define GPR_OFFSET(regname) \
>> -    (offsetof(RegisterContextLinux_x86_64::UserArea, regs) + \
>> -     offsetof(RegisterContextLinux_x86_64::GPR, regname))
>> -
>> -// Computes the offset of the given FPR in the user data area.
>> -#define FPR_OFFSET(regname) \
>> -    (offsetof(RegisterContextLinux_x86_64::UserArea, i387) + \
>> -     offsetof(RegisterContextLinux_x86_64::FPU, regname))
>> -
>> -// Number of bytes needed to represent a GPR.
>> -#define GPR_SIZE(reg) sizeof(((RegisterContextLinux_x86_64::GPR*)NULL)->reg)
>> -
>> -// Number of bytes needed to represent a FPR.
>> -#define FPR_SIZE(reg) sizeof(((RegisterContextLinux_x86_64::FPU*)NULL)->reg)
>> -
>> -// Number of bytes needed to represent the i'th FP register.
>> -#define FP_SIZE sizeof(((RegisterContextLinux_x86_64::MMSReg*)NULL)->bytes)
>> -
>> -// Number of bytes needed to represent an XMM register.
>> -#define XMM_SIZE sizeof(RegisterContextLinux_x86_64::XMMReg)
>> -
>> -#define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4)        \
>> -    { #reg, alt, GPR_SIZE(reg), GPR_OFFSET(reg), eEncodingUint, \
>> -      eFormatHex, { kind1, kind2, kind3, kind4, gpr_##reg } }
>> -
>> -#define DEFINE_FPR(reg, kind1, kind2, kind3, kind4)              \
>> -    { #reg, NULL, FPR_SIZE(reg), FPR_OFFSET(reg), eEncodingUint, \
>> -      eFormatHex, { kind1, kind2, kind3, kind4, fpu_##reg } }
>> -
>> -#define DEFINE_FP(reg, i)                                          \
>> -    { #reg#i, NULL, FP_SIZE, FPR_OFFSET(reg[i]), eEncodingVector,  \
>> -      eFormatVectorOfUInt8,                                        \
>> -      { gcc_dwarf_fpu_##reg##i, gcc_dwarf_fpu_##reg##i,            \
>> -        LLDB_INVALID_REGNUM, gdb_fpu_##reg##i, fpu_##reg##i } }
>> -
>> -#define DEFINE_XMM(reg, i)                                         \
>> -    { #reg#i, NULL, XMM_SIZE, FPR_OFFSET(reg[i]), eEncodingVector, \
>> -      eFormatVectorOfUInt8,                                        \
>> -      { gcc_dwarf_fpu_##reg##i, gcc_dwarf_fpu_##reg##i,            \
>> -        LLDB_INVALID_REGNUM, gdb_fpu_##reg##i, fpu_##reg##i } }
>> -
>> -#define REG_CONTEXT_SIZE (sizeof(RegisterContextLinux_x86_64::GPR) + sizeof(RegisterContextLinux_x86_64::FPU))
>> -
>> -static RegisterInfo
>> -g_register_infos[k_num_registers] =
>> -{
>> -    // General purpose registers.
>> -    DEFINE_GPR(rax,    NULL,    gcc_dwarf_gpr_rax,   gcc_dwarf_gpr_rax,   LLDB_INVALID_REGNUM,       gdb_gpr_rax),
>> -    DEFINE_GPR(rbx,    NULL,    gcc_dwarf_gpr_rbx,   gcc_dwarf_gpr_rbx,   LLDB_INVALID_REGNUM,       gdb_gpr_rbx),
>> -    DEFINE_GPR(rcx,    NULL,    gcc_dwarf_gpr_rcx,   gcc_dwarf_gpr_rcx,   LLDB_INVALID_REGNUM,       gdb_gpr_rcx),
>> -    DEFINE_GPR(rdx,    NULL,    gcc_dwarf_gpr_rdx,   gcc_dwarf_gpr_rdx,   LLDB_INVALID_REGNUM,       gdb_gpr_rdx),
>> -    DEFINE_GPR(rdi,    NULL,    gcc_dwarf_gpr_rdi,   gcc_dwarf_gpr_rdi,   LLDB_INVALID_REGNUM,       gdb_gpr_rdi),
>> -    DEFINE_GPR(rsi,    NULL,    gcc_dwarf_gpr_rsi,   gcc_dwarf_gpr_rsi,   LLDB_INVALID_REGNUM,       gdb_gpr_rsi),
>> -    DEFINE_GPR(rbp,    "fp",    gcc_dwarf_gpr_rbp,   gcc_dwarf_gpr_rbp,   LLDB_REGNUM_GENERIC_FP,    gdb_gpr_rbp),
>> -    DEFINE_GPR(rsp,    "sp",    gcc_dwarf_gpr_rsp,   gcc_dwarf_gpr_rsp,   LLDB_REGNUM_GENERIC_SP,    gdb_gpr_rsp),
>> -    DEFINE_GPR(r8,     NULL,    gcc_dwarf_gpr_r8,    gcc_dwarf_gpr_r8,    LLDB_INVALID_REGNUM,       gdb_gpr_r8),
>> -    DEFINE_GPR(r9,     NULL,    gcc_dwarf_gpr_r9,    gcc_dwarf_gpr_r9,    LLDB_INVALID_REGNUM,       gdb_gpr_r9),
>> -    DEFINE_GPR(r10,    NULL,    gcc_dwarf_gpr_r10,   gcc_dwarf_gpr_r10,   LLDB_INVALID_REGNUM,       gdb_gpr_r10),
>> -    DEFINE_GPR(r11,    NULL,    gcc_dwarf_gpr_r11,   gcc_dwarf_gpr_r11,   LLDB_INVALID_REGNUM,       gdb_gpr_r11),
>> -    DEFINE_GPR(r12,    NULL,    gcc_dwarf_gpr_r12,   gcc_dwarf_gpr_r12,   LLDB_INVALID_REGNUM,       gdb_gpr_r12),
>> -    DEFINE_GPR(r13,    NULL,    gcc_dwarf_gpr_r13,   gcc_dwarf_gpr_r13,   LLDB_INVALID_REGNUM,       gdb_gpr_r13),
>> -    DEFINE_GPR(r14,    NULL,    gcc_dwarf_gpr_r14,   gcc_dwarf_gpr_r14,   LLDB_INVALID_REGNUM,       gdb_gpr_r14),
>> -    DEFINE_GPR(r15,    NULL,    gcc_dwarf_gpr_r15,   gcc_dwarf_gpr_r15,   LLDB_INVALID_REGNUM,       gdb_gpr_r15),
>> -    DEFINE_GPR(rip,    "pc",    gcc_dwarf_gpr_rip,   gcc_dwarf_gpr_rip,   LLDB_REGNUM_GENERIC_PC,    gdb_gpr_rip),
>> -    DEFINE_GPR(rflags, "flags", LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_FLAGS, gdb_gpr_rflags),
>> -    DEFINE_GPR(cs,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_cs),
>> -    DEFINE_GPR(fs,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_fs),
>> -    DEFINE_GPR(gs,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_gs),
>> -    DEFINE_GPR(ss,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_ss),
>> -    DEFINE_GPR(ds,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_ds),
>> -    DEFINE_GPR(es,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_es),
>> -
>> -    // i387 Floating point registers.
>> -    DEFINE_FPR(fcw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_fcw),
>> -    DEFINE_FPR(fsw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_fsw),
>> -    DEFINE_FPR(ftw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ftw),
>> -    DEFINE_FPR(fop,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_fop),
>> -    DEFINE_FPR(ip,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ip),
>> -    // FIXME: Extract segment from ip.
>> -    DEFINE_FPR(ip,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_cs),
>> -    DEFINE_FPR(dp,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_dp),
>> -    // FIXME: Extract segment from dp.
>> -    DEFINE_FPR(dp,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ds),
>> -    DEFINE_FPR(mxcsr,     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_mxcsr),
>> -    DEFINE_FPR(mxcsrmask, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
>> -
>> -    // FP registers.
>> -    DEFINE_FP(stmm, 0),
>> -    DEFINE_FP(stmm, 1),
>> -    DEFINE_FP(stmm, 2),
>> -    DEFINE_FP(stmm, 3),
>> -    DEFINE_FP(stmm, 4),
>> -    DEFINE_FP(stmm, 5),
>> -    DEFINE_FP(stmm, 6),
>> -    DEFINE_FP(stmm, 7),
>> -
>> -    // XMM registers
>> -    DEFINE_XMM(xmm, 0),
>> -    DEFINE_XMM(xmm, 1),
>> -    DEFINE_XMM(xmm, 2),
>> -    DEFINE_XMM(xmm, 3),
>> -    DEFINE_XMM(xmm, 4),
>> -    DEFINE_XMM(xmm, 5),
>> -    DEFINE_XMM(xmm, 6),
>> -    DEFINE_XMM(xmm, 7),
>> -    DEFINE_XMM(xmm, 8),
>> -    DEFINE_XMM(xmm, 9),
>> -    DEFINE_XMM(xmm, 10),
>> -    DEFINE_XMM(xmm, 11),
>> -    DEFINE_XMM(xmm, 12),
>> -    DEFINE_XMM(xmm, 13),
>> -    DEFINE_XMM(xmm, 14),
>> -    DEFINE_XMM(xmm, 15)
>> -};
>> -
>> -static unsigned GetRegOffset(unsigned reg)
>> -{
>> -    assert(reg < k_num_registers && "Invalid register number.");
>> -    return g_register_infos[reg].byte_offset;
>> -}
>> -
>> -#if 0 // These functions are currently not being used.
>> -static unsigned GetRegSize(unsigned reg)
>> -{
>> -    assert(reg < k_num_registers && "Invalid register number.");
>> -    return g_register_infos[reg].byte_size;
>> -}
>> -
>> -static bool IsGPR(unsigned reg)
>> -{
>> -    return reg <= k_last_gpr;   // GPR's come first.
>> -}
>> -
>> -static bool IsFPR(unsigned reg)
>> -{
>> -    return (k_first_fpr <= reg && reg <= k_last_fpr);
>> -}
>> -#endif
>> -
>> -RegisterContextLinux_x86_64::RegisterContextLinux_x86_64(Thread &thread,
>> -                                                         uint32_t concrete_frame_idx)
>> -    : RegisterContextLinux(thread, concrete_frame_idx)
>> -{
>> -}
>> -
>> -RegisterContextLinux_x86_64::~RegisterContextLinux_x86_64()
>> -{
>> -}
>> -
>> -ProcessMonitor &
>> -RegisterContextLinux_x86_64::GetMonitor()
>> -{
>> -    ProcessLinux *process = static_cast<ProcessLinux*>(CalculateProcess());
>> -    return process->GetMonitor();
>> -}
>> -
>> -void
>> -RegisterContextLinux_x86_64::Invalidate()
>> -{
>> -}
>> -
>> -void
>> -RegisterContextLinux_x86_64::InvalidateAllRegisters()
>> -{
>> -}
>> -
>> -size_t
>> -RegisterContextLinux_x86_64::GetRegisterCount()
>> -{
>> -    return k_num_registers;
>> -}
>> -
>> -const RegisterInfo *
>> -RegisterContextLinux_x86_64::GetRegisterInfoAtIndex(uint32_t reg)
>> -{
>> -    if (reg < k_num_registers)
>> -        return &g_register_infos[reg];
>> -    else
>> -        return NULL;
>> -}
>> -
>> -size_t
>> -RegisterContextLinux_x86_64::GetRegisterSetCount()
>> -{
>> -    return k_num_register_sets;
>> -}
>> -
>> -const RegisterSet *
>> -RegisterContextLinux_x86_64::GetRegisterSet(uint32_t set)
>> -{
>> -    if (set < k_num_register_sets)
>> -        return &g_reg_sets[set];
>> -    else
>> -        return NULL;
>> -}
>> -
>> -unsigned
>> -RegisterContextLinux_x86_64::GetRegisterIndexFromOffset(unsigned offset)
>> -{
>> -    unsigned reg;
>> -    for (reg = 0; reg < k_num_registers; reg++)
>> -    {
>> -        if (g_register_infos[reg].byte_offset == offset)
>> -            break;
>> -    }
>> -    assert(reg < k_num_registers && "Invalid register offset.");
>> -    return reg;
>> -}
>> -
>> -const char *
>> -RegisterContextLinux_x86_64::GetRegisterName(unsigned reg)
>> -{
>> -    assert(reg < k_num_registers && "Invalid register offset.");
>> -    return g_register_infos[reg].name;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::ReadRegister(const RegisterInfo *reg_info,
>> -                                          RegisterValue &value)
>> -{
>> -    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.ReadRegisterValue(GetRegOffset(reg), value);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::ReadAllRegisterValues(DataBufferSP &data_sp)
>> -{
>> -    data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0));
>> -    if (data_sp && ReadGPR () && ReadFPR ())
>> -    {
>> -        uint8_t *dst = data_sp->GetBytes();
>> -        ::memcpy (dst, &user.regs, sizeof(user.regs));
>> -        dst += sizeof(user.regs);
>> -
>> -        ::memcpy (dst, &user.i387, sizeof(user.i387));
>> -        return true;
>> -    }
>> -    return false;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::WriteRegister(const lldb_private::RegisterInfo *reg_info,
>> -                                           const lldb_private::RegisterValue &value)
>> -{
>> -    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.WriteRegisterValue(GetRegOffset(reg), value);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::WriteAllRegisterValues(const DataBufferSP &data_sp)
>> -{
>> -    if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE)
>> -    {
>> -        const uint8_t *src = data_sp->GetBytes();
>> -        ::memcpy (&user.regs, src, sizeof(user.regs));
>> -        src += sizeof(user.regs);
>> -
>> -        ::memcpy (&user.i387, src, sizeof(user.i387));
>> -        return WriteGPR() & WriteFPR();
>> -    }
>> -    return false;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::UpdateAfterBreakpoint()
>> -{
>> -    // PC points one byte past the int3 responsible for the breakpoint.
>> -    lldb::addr_t pc;
>> -
>> -    if ((pc = GetPC()) == LLDB_INVALID_ADDRESS)
>> -        return false;
>> -
>> -    SetPC(pc - 1);
>> -    return true;
>> -}
>> -
>> -uint32_t
>> -RegisterContextLinux_x86_64::ConvertRegisterKindToRegisterNumber(uint32_t kind,
>> -                                                                 uint32_t num)
>> -{
>> -    if (kind == eRegisterKindGeneric)
>> -    {
>> -        switch (num)
>> -        {
>> -        case LLDB_REGNUM_GENERIC_PC:    return gpr_rip;
>> -        case LLDB_REGNUM_GENERIC_SP:    return gpr_rsp;
>> -        case LLDB_REGNUM_GENERIC_FP:    return gpr_rbp;
>> -        case LLDB_REGNUM_GENERIC_FLAGS: return gpr_rflags;
>> -        case LLDB_REGNUM_GENERIC_RA:
>> -        default:
>> -            return LLDB_INVALID_REGNUM;
>> -        }
>> -    }
>> -
>> -    if (kind == eRegisterKindGCC || kind == eRegisterKindDWARF)
>> -    {
>> -        switch (num)
>> -        {
>> -        case gcc_dwarf_gpr_rax:  return gpr_rax;
>> -        case gcc_dwarf_gpr_rdx:  return gpr_rdx;
>> -        case gcc_dwarf_gpr_rcx:  return gpr_rcx;
>> -        case gcc_dwarf_gpr_rbx:  return gpr_rbx;
>> -        case gcc_dwarf_gpr_rsi:  return gpr_rsi;
>> -        case gcc_dwarf_gpr_rdi:  return gpr_rdi;
>> -        case gcc_dwarf_gpr_rbp:  return gpr_rbp;
>> -        case gcc_dwarf_gpr_rsp:  return gpr_rsp;
>> -        case gcc_dwarf_gpr_r8:   return gpr_r8;
>> -        case gcc_dwarf_gpr_r9:   return gpr_r9;
>> -        case gcc_dwarf_gpr_r10:  return gpr_r10;
>> -        case gcc_dwarf_gpr_r11:  return gpr_r11;
>> -        case gcc_dwarf_gpr_r12:  return gpr_r12;
>> -        case gcc_dwarf_gpr_r13:  return gpr_r13;
>> -        case gcc_dwarf_gpr_r14:  return gpr_r14;
>> -        case gcc_dwarf_gpr_r15:  return gpr_r15;
>> -        case gcc_dwarf_gpr_rip:  return gpr_rip;
>> -        case gcc_dwarf_fpu_xmm0: return fpu_xmm0;
>> -        case gcc_dwarf_fpu_xmm1: return fpu_xmm1;
>> -        case gcc_dwarf_fpu_xmm2: return fpu_xmm2;
>> -        case gcc_dwarf_fpu_xmm3: return fpu_xmm3;
>> -        case gcc_dwarf_fpu_xmm4: return fpu_xmm4;
>> -        case gcc_dwarf_fpu_xmm5: return fpu_xmm5;
>> -        case gcc_dwarf_fpu_xmm6: return fpu_xmm6;
>> -        case gcc_dwarf_fpu_xmm7: return fpu_xmm7;
>> -        case gcc_dwarf_fpu_xmm8: return fpu_xmm8;
>> -        case gcc_dwarf_fpu_xmm9: return fpu_xmm9;
>> -        case gcc_dwarf_fpu_xmm10: return fpu_xmm10;
>> -        case gcc_dwarf_fpu_xmm11: return fpu_xmm11;
>> -        case gcc_dwarf_fpu_xmm12: return fpu_xmm12;
>> -        case gcc_dwarf_fpu_xmm13: return fpu_xmm13;
>> -        case gcc_dwarf_fpu_xmm14: return fpu_xmm14;
>> -        case gcc_dwarf_fpu_xmm15: return fpu_xmm15;
>> -        case gcc_dwarf_fpu_stmm0: return fpu_stmm0;
>> -        case gcc_dwarf_fpu_stmm1: return fpu_stmm1;
>> -        case gcc_dwarf_fpu_stmm2: return fpu_stmm2;
>> -        case gcc_dwarf_fpu_stmm3: return fpu_stmm3;
>> -        case gcc_dwarf_fpu_stmm4: return fpu_stmm4;
>> -        case gcc_dwarf_fpu_stmm5: return fpu_stmm5;
>> -        case gcc_dwarf_fpu_stmm6: return fpu_stmm6;
>> -        case gcc_dwarf_fpu_stmm7: return fpu_stmm7;
>> -        default:
>> -            return LLDB_INVALID_REGNUM;
>> -        }
>> -    }
>> -
>> -    if (kind == eRegisterKindGDB)
>> -    {
>> -        switch (num)
>> -        {
>> -        case gdb_gpr_rax     : return gpr_rax;
>> -        case gdb_gpr_rbx     : return gpr_rbx;
>> -        case gdb_gpr_rcx     : return gpr_rcx;
>> -        case gdb_gpr_rdx     : return gpr_rdx;
>> -        case gdb_gpr_rsi     : return gpr_rsi;
>> -        case gdb_gpr_rdi     : return gpr_rdi;
>> -        case gdb_gpr_rbp     : return gpr_rbp;
>> -        case gdb_gpr_rsp     : return gpr_rsp;
>> -        case gdb_gpr_r8      : return gpr_r8;
>> -        case gdb_gpr_r9      : return gpr_r9;
>> -        case gdb_gpr_r10     : return gpr_r10;
>> -        case gdb_gpr_r11     : return gpr_r11;
>> -        case gdb_gpr_r12     : return gpr_r12;
>> -        case gdb_gpr_r13     : return gpr_r13;
>> -        case gdb_gpr_r14     : return gpr_r14;
>> -        case gdb_gpr_r15     : return gpr_r15;
>> -        case gdb_gpr_rip     : return gpr_rip;
>> -        case gdb_gpr_rflags  : return gpr_rflags;
>> -        case gdb_gpr_cs      : return gpr_cs;
>> -        case gdb_gpr_ss      : return gpr_ss;
>> -        case gdb_gpr_ds      : return gpr_ds;
>> -        case gdb_gpr_es      : return gpr_es;
>> -        case gdb_gpr_fs      : return gpr_fs;
>> -        case gdb_gpr_gs      : return gpr_gs;
>> -        case gdb_fpu_stmm0   : return fpu_stmm0;
>> -        case gdb_fpu_stmm1   : return fpu_stmm1;
>> -        case gdb_fpu_stmm2   : return fpu_stmm2;
>> -        case gdb_fpu_stmm3   : return fpu_stmm3;
>> -        case gdb_fpu_stmm4   : return fpu_stmm4;
>> -        case gdb_fpu_stmm5   : return fpu_stmm5;
>> -        case gdb_fpu_stmm6   : return fpu_stmm6;
>> -        case gdb_fpu_stmm7   : return fpu_stmm7;
>> -        case gdb_fpu_fcw     : return fpu_fcw;
>> -        case gdb_fpu_fsw     : return fpu_fsw;
>> -        case gdb_fpu_ftw     : return fpu_ftw;
>> -        case gdb_fpu_cs      : return fpu_cs;
>> -        case gdb_fpu_ip      : return fpu_ip;
>> -        case gdb_fpu_ds      : return fpu_ds;
>> -        case gdb_fpu_dp      : return fpu_dp;
>> -        case gdb_fpu_fop     : return fpu_fop;
>> -        case gdb_fpu_xmm0    : return fpu_xmm0;
>> -        case gdb_fpu_xmm1    : return fpu_xmm1;
>> -        case gdb_fpu_xmm2    : return fpu_xmm2;
>> -        case gdb_fpu_xmm3    : return fpu_xmm3;
>> -        case gdb_fpu_xmm4    : return fpu_xmm4;
>> -        case gdb_fpu_xmm5    : return fpu_xmm5;
>> -        case gdb_fpu_xmm6    : return fpu_xmm6;
>> -        case gdb_fpu_xmm7    : return fpu_xmm7;
>> -        case gdb_fpu_xmm8    : return fpu_xmm8;
>> -        case gdb_fpu_xmm9    : return fpu_xmm9;
>> -        case gdb_fpu_xmm10   : return fpu_xmm10;
>> -        case gdb_fpu_xmm11   : return fpu_xmm11;
>> -        case gdb_fpu_xmm12   : return fpu_xmm12;
>> -        case gdb_fpu_xmm13   : return fpu_xmm13;
>> -        case gdb_fpu_xmm14   : return fpu_xmm14;
>> -        case gdb_fpu_xmm15   : return fpu_xmm15;
>> -        case gdb_fpu_mxcsr   : return fpu_mxcsr;
>> -        default:
>> -            return LLDB_INVALID_REGNUM;
>> -        }
>> -    }
>> -    else if (kind == eRegisterKindLLDB)
>> -    {
>> -        return num;
>> -    }
>> -
>> -    return LLDB_INVALID_REGNUM;
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::HardwareSingleStep(bool enable)
>> -{
>> -    enum { TRACE_BIT = 0x100 };
>> -    uint64_t rflags;
>> -
>> -    if ((rflags = ReadRegisterAsUnsigned(gpr_rflags, -1UL)) == -1UL)
>> -        return false;
>> -    
>> -    if (enable)
>> -    {
>> -        if (rflags & TRACE_BIT)
>> -            return true;
>> -
>> -        rflags |= TRACE_BIT;
>> -    }
>> -    else
>> -    {
>> -        if (!(rflags & TRACE_BIT))
>> -            return false;
>> -
>> -        rflags &= ~TRACE_BIT;
>> -    }
>> -
>> -    return WriteRegisterFromUnsigned(gpr_rflags, rflags);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::ReadGPR()
>> -{
>> -     ProcessMonitor &monitor = GetMonitor();
>> -     return monitor.ReadGPR(&user.regs);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::ReadFPR()
>> -{
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.ReadFPR(&user.i387);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::WriteGPR()
>> -{
>> -     ProcessMonitor &monitor = GetMonitor();
>> -     return monitor.WriteGPR(&user.regs);
>> -}
>> -
>> -bool
>> -RegisterContextLinux_x86_64::WriteFPR()
>> -{
>> -    ProcessMonitor &monitor = GetMonitor();
>> -    return monitor.WriteFPR(&user.i387);
>> -}
>> Index: source/Plugins/Process/Linux/ProcessMessage.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessMessage.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessMessage.h	(working copy)
>> @@ -1,171 +0,0 @@
>> -//===-- ProcessMessage.h ----------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_ProcessMessage_H_
>> -#define liblldb_ProcessMessage_H_
>> -
>> -#include <cassert>
>> -
>> -#include "lldb/lldb-defines.h"
>> -#include "lldb/lldb-types.h"
>> -
>> -class ProcessMessage
>> -{
>> -public:
>> -
>> -    /// The type of signal this message can correspond to.
>> -    enum Kind
>> -    {
>> -        eInvalidMessage,
>> -        eExitMessage,
>> -        eLimboMessage,
>> -        eSignalMessage,
>> -        eSignalDeliveredMessage,
>> -        eTraceMessage,
>> -        eBreakpointMessage,
>> -        eCrashMessage
>> -    };
>> -
>> -    enum CrashReason
>> -    {
>> -        eInvalidCrashReason,
>> -
>> -        // SIGSEGV crash reasons.
>> -        eInvalidAddress,
>> -        ePrivilegedAddress,
>> -
>> -        // SIGILL crash reasons.
>> -        eIllegalOpcode,
>> -        eIllegalOperand,
>> -        eIllegalAddressingMode,
>> -        eIllegalTrap,
>> -        ePrivilegedOpcode,
>> -        ePrivilegedRegister,
>> -        eCoprocessorError,
>> -        eInternalStackError,
>> -
>> -        // SIGBUS crash reasons,
>> -        eIllegalAlignment,
>> -        eIllegalAddress,
>> -        eHardwareError,
>> -
>> -        // SIGFPE crash reasons,
>> -        eIntegerDivideByZero,
>> -        eIntegerOverflow,
>> -        eFloatDivideByZero,
>> -        eFloatOverflow,
>> -        eFloatUnderflow,
>> -        eFloatInexactResult,
>> -        eFloatInvalidOperation,
>> -        eFloatSubscriptRange
>> -    };
>> -
>> -    ProcessMessage()
>> -        : m_tid(LLDB_INVALID_PROCESS_ID),
>> -          m_kind(eInvalidMessage),
>> -          m_crash_reason(eInvalidCrashReason),
>> -          m_status(0),
>> -          m_addr(0) { }
>> -
>> -    Kind GetKind() const { return m_kind; }
>> -
>> -    lldb::tid_t GetTID() const { return m_tid; }
>> -
>> -    /// Indicates that the thread @p tid is about to exit with status @p status.
>> -    static ProcessMessage Limbo(lldb::tid_t tid, int status) {
>> -        return ProcessMessage(tid, eLimboMessage, status);
>> -    }
>> -
>> -    /// Indicates that the thread @p tid had the signal @p signum delivered.
>> -    static ProcessMessage Signal(lldb::tid_t tid, int signum) {
>> -        return ProcessMessage(tid, eSignalMessage, signum);
>> -    }
>> -
>> -    /// Indicates that a signal @p signum generated by the debugging process was
>> -    /// delivered to the thread @p tid.
>> -    static ProcessMessage SignalDelivered(lldb::tid_t tid, int signum) {
>> -        return ProcessMessage(tid, eSignalDeliveredMessage, signum);
>> -    }
>> -
>> -    /// Indicates that the thread @p tid encountered a trace point.
>> -    static ProcessMessage Trace(lldb::tid_t tid) {
>> -        return ProcessMessage(tid, eTraceMessage);
>> -    }
>> -
>> -    /// Indicates that the thread @p tid encountered a break point.
>> -    static ProcessMessage Break(lldb::tid_t tid) {
>> -        return ProcessMessage(tid, eBreakpointMessage);
>> -    }
>> -
>> -    /// Indicates that the thread @p tid crashed.
>> -    static ProcessMessage Crash(lldb::pid_t pid, CrashReason reason,
>> -                                int signo, lldb::addr_t fault_addr) {
>> -        ProcessMessage message(pid, eCrashMessage, signo, fault_addr);
>> -        message.m_crash_reason = reason;
>> -        return message;
>> -    }
>> -
>> -    int GetExitStatus() const {
>> -        assert(GetKind() == eExitMessage || GetKind() == eLimboMessage);
>> -        return m_status;
>> -    }
>> -
>> -    int GetSignal() const {
>> -        assert(GetKind() == eSignalMessage || GetKind() == eCrashMessage ||
>> -               GetKind() == eSignalDeliveredMessage);
>> -        return m_status;
>> -    }
>> -
>> -    int GetStopStatus() const {
>> -        assert(GetKind() == eSignalMessage);
>> -        return m_status;
>> -    }
>> -
>> -    CrashReason GetCrashReason() const {
>> -        assert(GetKind() == eCrashMessage);
>> -        return m_crash_reason;
>> -    }
>> -
>> -    lldb::addr_t GetFaultAddress() const {
>> -        assert(GetKind() == eCrashMessage);
>> -        return m_addr;
>> -    }
>> -
>> -    static const char *
>> -    GetCrashReasonString(CrashReason reason);
>> -
>> -    const char *
>> -    PrintCrashReason() const;
>> -
>> -    static const char *
>> -    PrintCrashReason(CrashReason reason);
>> -
>> -    const char *
>> -    PrintKind() const;
>> -
>> -    static const char *
>> -    PrintKind(Kind);
>> -
>> -private:
>> -    ProcessMessage(lldb::tid_t tid, Kind kind, 
>> -                   int status = 0, lldb::addr_t addr = 0)
>> -        : m_tid(tid),
>> -          m_kind(kind),
>> -          m_crash_reason(eInvalidCrashReason),
>> -          m_status(status),
>> -          m_addr(addr) { }
>> -
>> -    lldb::tid_t m_tid;
>> -    Kind        m_kind         : 8;
>> -    CrashReason m_crash_reason : 8;
>> -    int m_status;
>> -    lldb::addr_t m_addr;
>> -};
>> -
>> -#endif // #ifndef liblldb_ProcessMessage_H_
>> Index: source/Plugins/Process/Linux/ProcessMonitor.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/ProcessMonitor.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/ProcessMonitor.h	(working copy)
>> @@ -24,10 +24,12 @@
>> class Error;
>> class Module;
>> class Scalar;
>> +
>> } // End lldb_private namespace.
>> 
>> class ProcessLinux;
>> class Operation;
>> +class ProcessPOSIX;
>> 
>> /// @class ProcessMonitor
>> /// @brief Manages communication with the inferior (debugee) process.
>> @@ -47,7 +49,7 @@
>> 
>>     /// Launches an inferior process ready for debugging.  Forms the
>>     /// implementation of Process::DoLaunch.
>> -    ProcessMonitor(ProcessLinux *process,
>> +    ProcessMonitor(ProcessPOSIX *process,
>>                    lldb_private::Module *module,
>>                    char const *argv[],
>>                    char const *envp[],
>> @@ -56,7 +58,7 @@
>>                    const char *stderr_path,
>>                    lldb_private::Error &error);
>> 
>> -    ProcessMonitor(ProcessLinux *process,
>> +    ProcessMonitor(ProcessPOSIX *process,
>>                    lldb::pid_t pid,
>>                    lldb_private::Error &error);
>> 
>> @@ -104,7 +106,7 @@
>>     ///
>>     /// This method is provided for use by RegisterContextLinux derivatives.
>>     bool
>> -    ReadRegisterValue(unsigned offset, lldb_private::RegisterValue &value);
>> +    ReadRegisterValue(unsigned offset, unsigned size, lldb_private::RegisterValue &value);
>> 
>>     /// Writes the given value to the register identified by the given
>>     /// (architecture dependent) offset.
>> Index: source/Plugins/Process/Linux/Makefile
>> ===================================================================
>> --- source/Plugins/Process/Linux/Makefile	(revision 147560)
>> +++ source/Plugins/Process/Linux/Makefile	(working copy)
>> @@ -12,6 +12,6 @@
>> BUILD_ARCHIVE = 1
>> 
>> # Extend the include path so we may locate UnwindLLDB.h
>> -CPPFLAGS += -I $(LLDB_LEVEL)/source/Plugins/Utility
>> +CPPFLAGS += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Utility
>> 
>> include $(LLDB_LEVEL)/Makefile
>> Index: source/Plugins/Process/Linux/LinuxThread.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/LinuxThread.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/LinuxThread.h	(working copy)
>> @@ -1,102 +0,0 @@
>> -//===-- LinuxThread.h -------------------------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -
>> -#ifndef liblldb_LinuxThread_H_
>> -#define liblldb_LinuxThread_H_
>> -
>> -// C Includes
>> -// C++ Includes
>> -#include <memory>
>> -
>> -// Other libraries and framework includes
>> -#include "lldb/Target/Thread.h"
>> -
>> -class ProcessMessage;
>> -class ProcessMonitor;
>> -class RegisterContextLinux;
>> -
>> -//------------------------------------------------------------------------------
>> -// @class LinuxThread
>> -// @brief Abstraction of a linux process (thread).
>> -class LinuxThread
>> -    : public lldb_private::Thread
>> -{
>> -public:
>> -    LinuxThread(lldb_private::Process &process, lldb::tid_t tid);
>> -
>> -    virtual ~LinuxThread();
>> -
>> -    void
>> -    RefreshStateAfterStop();
>> -
>> -    bool
>> -    WillResume(lldb::StateType resume_state);
>> -
>> -    const char *
>> -    GetInfo();
>> -
>> -    virtual lldb::RegisterContextSP
>> -    GetRegisterContext();
>> -
>> -    virtual lldb::RegisterContextSP
>> -    CreateRegisterContextForFrame (lldb_private::StackFrame *frame);
>> -
>> -    //--------------------------------------------------------------------------
>> -    // These static functions provide a mapping from the register offset
>> -    // back to the register index or name for use in debugging or log
>> -    // output.
>> -
>> -    static unsigned
>> -    GetRegisterIndexFromOffset(unsigned offset);
>> -
>> -    static const char *
>> -    GetRegisterName(unsigned reg);
>> -
>> -    static const char *
>> -    GetRegisterNameFromOffset(unsigned offset);
>> -
>> -    //--------------------------------------------------------------------------
>> -    // These methods form a specialized interface to linux threads.
>> -    //
>> -    bool Resume();
>> -
>> -    void Notify(const ProcessMessage &message);
>> -
>> -private:
>> -    RegisterContextLinux *
>> -    GetRegisterContextLinux ()
>> -    {
>> -        if (!m_reg_context_sp)
>> -            GetRegisterContext();
>> -        return (RegisterContextLinux *)m_reg_context_sp.get();
>> -    }
>> -    
>> -    std::auto_ptr<lldb_private::StackFrame> m_frame_ap;
>> -
>> -    lldb::BreakpointSiteSP m_breakpoint;
>> -    lldb::StopInfoSP m_stop_info;
>> -
>> -    ProcessMonitor &
>> -    GetMonitor();
>> -
>> -    lldb::StopInfoSP
>> -    GetPrivateStopReason();
>> -
>> -    void BreakNotify(const ProcessMessage &message);
>> -    void TraceNotify(const ProcessMessage &message);
>> -    void LimboNotify(const ProcessMessage &message);
>> -    void SignalNotify(const ProcessMessage &message);
>> -    void SignalDeliveredNotify(const ProcessMessage &message);
>> -    void CrashNotify(const ProcessMessage &message);
>> -
>> -    lldb_private::Unwind *
>> -    GetUnwinder();
>> -};
>> -
>> -#endif // #ifndef liblldb_LinuxThread_H_
>> Index: source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h
>> ===================================================================
>> --- source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h	(revision 147560)
>> +++ source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h	(working copy)
>> @@ -10,67 +10,7 @@
>> #ifndef liblldb_RegisterContextLinux_x86_64_H_
>> #define liblldb_RegisterContextLinux_x86_64_H_
>> 
>> -#include "RegisterContextLinux.h"
>> -
>> -class ProcessMonitor;
>> -
>> -class RegisterContextLinux_x86_64
>> -    : public RegisterContextLinux
>> -{
>> -public:
>> -    RegisterContextLinux_x86_64 (lldb_private::Thread &thread,
>> -                                 uint32_t concrete_frame_idx);
>> -
>> -    ~RegisterContextLinux_x86_64();
>> -
>> -    void
>> -    Invalidate();
>> -
>> -    void
>> -    InvalidateAllRegisters();
>> -
>> -    size_t
>> -    GetRegisterCount();
>> -
>> -    const lldb_private::RegisterInfo *
>> -    GetRegisterInfoAtIndex(uint32_t reg);
>> -
>> -    size_t
>> -    GetRegisterSetCount();
>> -
>> -    const lldb_private::RegisterSet *
>> -    GetRegisterSet(uint32_t set);
>> -
>> -    static unsigned
>> -    GetRegisterIndexFromOffset(unsigned offset);
>> -
>> -    static const char *
>> -    GetRegisterName(unsigned reg);
>> -
>> -    virtual bool
>> -    ReadRegister(const lldb_private::RegisterInfo *reg_info,
>> -                 lldb_private::RegisterValue &value);
>> -
>> -    bool
>> -    ReadAllRegisterValues(lldb::DataBufferSP &data_sp);
>> -
>> -    virtual bool
>> -    WriteRegister(const lldb_private::RegisterInfo *reg_info,
>> -                  const lldb_private::RegisterValue &value);
>> -
>> -    bool
>> -    WriteAllRegisterValues(const lldb::DataBufferSP &data_sp);
>> -
>> -    uint32_t
>> -    ConvertRegisterKindToRegisterNumber(uint32_t kind, uint32_t num);
>> -
>> -    bool
>> -    HardwareSingleStep(bool enable);
>> -
>> -    bool
>> -    UpdateAfterBreakpoint();
>> -
>> -    struct GPR
>> +    typedef struct _GPR
>>     {
>>         uint64_t r15;
>>         uint64_t r14;
>> @@ -99,67 +39,6 @@
>>         uint64_t es;
>>         uint64_t fs;
>>         uint64_t gs;
>> -    };
>> +    } GPR;
>> 
>> -    struct MMSReg
>> -    {
>> -        uint8_t bytes[10];
>> -        uint8_t pad[6];
>> -    };
>> -
>> -    struct XMMReg
>> -    {
>> -        uint8_t bytes[16];
>> -    };
>> -
>> -    struct FPU
>> -    {
>> -        uint16_t fcw;
>> -        uint16_t fsw;
>> -        uint16_t ftw;
>> -        uint16_t fop;
>> -        uint64_t ip;
>> -        uint64_t dp;
>> -        uint32_t mxcsr;
>> -        uint32_t mxcsrmask;
>> -        MMSReg   stmm[8];
>> -        XMMReg   xmm[16];
>> -        uint32_t padding[24];
>> -    };
>> -
>> -    struct UserArea
>> -    {
>> -        GPR      regs;          // General purpose registers.
>> -        int32_t  fpvalid;       // True if FPU is being used.
>> -        int32_t  pad0;
>> -        FPU      i387;          // FPU registers.
>> -        uint64_t tsize;         // Text segment size.
>> -        uint64_t dsize;         // Data segment size.
>> -        uint64_t ssize;         // Stack segment size.
>> -        uint64_t start_code;    // VM address of text.
>> -        uint64_t start_stack;   // VM address of stack bottom (top in rsp).
>> -        int64_t  signal;        // Signal causing core dump.
>> -        int32_t  reserved;      // Unused.
>> -        int32_t  pad1;
>> -        uint64_t ar0;           // Location of GPR's.
>> -        FPU*     fpstate;       // Location of FPR's.
>> -        uint64_t magic;         // Identifier for core dumps.
>> -        char     u_comm[32];    // Command causing core dump.
>> -        uint64_t u_debugreg[8]; // Debug registers (DR0 - DR7).
>> -        uint64_t error_code;    // CPU error code.
>> -        uint64_t fault_address; // Control register CR3.
>> -    };
>> -
>> -private:
>> -    UserArea user;
>> -
>> -    ProcessMonitor &GetMonitor();
>> -
>> -    bool ReadGPR();
>> -    bool ReadFPR();
>> -
>> -    bool WriteGPR();
>> -    bool WriteFPR();
>> -};
>> -
>> -#endif // #ifndef liblldb_RegisterContextLinux_x86_64_H_
>> +#endif
>> Index: source/Plugins/Process/POSIX/POSIXThread.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/POSIXThread.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/POSIXThread.h	(revision 0)
>> @@ -0,0 +1,106 @@
>> +//===-- POSIXThread.h -------------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_POSIXThread_H_
>> +#define liblldb_POSIXThread_H_
>> +
>> +// C Includes
>> +// C++ Includes
>> +#include <memory>
>> +
>> +// Other libraries and framework includes
>> +#include "lldb/Target/Thread.h"
>> +#include "RegisterContextPOSIX.h"
>> +
>> +class ProcessMessage;
>> +class ProcessMonitor;
>> +class RegisterContextPOSIX;
>> +
>> +//------------------------------------------------------------------------------
>> +// @class POSIXThread
>> +// @brief Abstraction of a linux process (thread).
>> +class POSIXThread
>> +    : public lldb_private::Thread
>> +{
>> +public:
>> +    POSIXThread(lldb_private::Process &process, lldb::tid_t tid);
>> +
>> +    virtual ~POSIXThread();
>> +
>> +    void
>> +    RefreshStateAfterStop();
>> +
>> +    bool
>> +    WillResume(lldb::StateType resume_state);
>> +
>> +    const char *
>> +    GetInfo();
>> +
>> +    virtual lldb::RegisterContextSP
>> +    GetRegisterContext();
>> +
>> +    virtual lldb::RegisterContextSP
>> +    CreateRegisterContextForFrame (lldb_private::StackFrame *frame);
>> +
>> +    //--------------------------------------------------------------------------
>> +    // These static functions provide a mapping from the register offset
>> +    // back to the register index or name for use in debugging or log
>> +    // output.
>> +
>> +    static unsigned
>> +    GetRegisterIndexFromOffset(unsigned offset);
>> +
>> +    static const char *
>> +    GetRegisterName(unsigned reg);
>> +
>> +    static const char *
>> +    GetRegisterNameFromOffset(unsigned offset);
>> +
>> +    //--------------------------------------------------------------------------
>> +    // These methods form a specialized interface to linux threads.
>> +    //
>> +    bool Resume();
>> +
>> +    void Notify(const ProcessMessage &message);
>> +
>> +private:
>> +    RegisterContextPOSIX *
>> +    GetRegisterContextPOSIX ()
>> +    {
>> +        if (!m_reg_context_sp)
>> +            m_reg_context_sp = GetRegisterContext();
>> +#if 0
>> +        return dynamic_cast<RegisterContextPOSIX*>(m_reg_context_sp.get());
>> +#endif
>> +        return (RegisterContextPOSIX *)m_reg_context_sp.get();
>> +    }
>> +    
>> +    std::auto_ptr<lldb_private::StackFrame> m_frame_ap;
>> +
>> +    lldb::BreakpointSiteSP m_breakpoint;
>> +    lldb::StopInfoSP m_stop_info;
>> +
>> +    ProcessMonitor &
>> +    GetMonitor();
>> +
>> +    lldb::StopInfoSP
>> +    GetPrivateStopReason();
>> +
>> +    void BreakNotify(const ProcessMessage &message);
>> +    void TraceNotify(const ProcessMessage &message);
>> +    void LimboNotify(const ProcessMessage &message);
>> +    void SignalNotify(const ProcessMessage &message);
>> +    void SignalDeliveredNotify(const ProcessMessage &message);
>> +    void CrashNotify(const ProcessMessage &message);
>> +
>> +    lldb_private::Unwind *
>> +    GetUnwinder();
>> +};
>> +
>> +#endif // #ifndef liblldb_POSIXThread_H_
>> Index: source/Plugins/Process/POSIX/ProcessPOSIX.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/ProcessPOSIX.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/ProcessPOSIX.cpp	(revision 0)
>> @@ -0,0 +1,594 @@
>> +//===-- ProcessPOSIX.cpp ----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +#include <errno.h>
>> +
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Core/PluginManager.h"
>> +#include "lldb/Core/State.h"
>> +#include "lldb/Host/Host.h"
>> +#include "lldb/Symbol/ObjectFile.h"
>> +#include "lldb/Target/DynamicLoader.h"
>> +#include "lldb/Target/Target.h"
>> +
>> +#include "ProcessPOSIX.h"
>> +#include "ProcessPOSIXLog.h"
>> +#include "Plugins/Process/Utility/InferiorCallPOSIX.h"
>> +#include "ProcessMonitor.h"
>> +#include "POSIXThread.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +//------------------------------------------------------------------------------
>> +// Static functions.
>> +#if 0
>> +Process*
>> +ProcessPOSIX::CreateInstance(Target& target, Listener &listener)
>> +{
>> +    return new ProcessPOSIX(target, listener);
>> +}
>> +
>> +
>> +void
>> +ProcessPOSIX::Initialize()
>> +{
>> +    static bool g_initialized = false;
>> +
>> +    if (!g_initialized)
>> +    {
>> +        g_initialized = true;
>> +        PluginManager::RegisterPlugin(GetPluginNameStatic(),
>> +                                      GetPluginDescriptionStatic(),
>> +                                      CreateInstance);
>> +
>> +        Log::Callbacks log_callbacks = {
>> +            ProcessPOSIXLog::DisableLog,
>> +            ProcessPOSIXLog::EnableLog,
>> +            ProcessPOSIXLog::ListLogCategories
>> +        };
>> +        
>> +        Log::RegisterLogChannel (ProcessPOSIX::GetPluginNameStatic(), log_callbacks);
>> +    }
>> +}
>> +#endif
>> +
>> +//------------------------------------------------------------------------------
>> +// Constructors and destructors.
>> +
>> +ProcessPOSIX::ProcessPOSIX(Target& target, Listener &listener)
>> +    : Process(target, listener),
>> +      m_monitor(NULL),
>> +      m_module(NULL),
>> +      m_in_limbo(false),
>> +      m_exit_now(false)
>> +{
>> +    // FIXME: Putting this code in the ctor and saving the byte order in a
>> +    // member variable is a hack to avoid const qual issues in GetByteOrder.
>> +    ObjectFile *obj_file = GetTarget().GetExecutableModule()->GetObjectFile();
>> +    m_byte_order = obj_file->GetByteOrder();
>> +}
>> +
>> +ProcessPOSIX::~ProcessPOSIX()
>> +{
>> +    delete m_monitor;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +// Process protocol.
>> +
>> +bool
>> +ProcessPOSIX::CanDebug(Target &target, bool plugin_specified_by_name)
>> +{
>> +    // For now we are just making sure the file exists for a given module
>> +    ModuleSP exe_module_sp(target.GetExecutableModule());
>> +    if (exe_module_sp.get())
>> +        return exe_module_sp->GetFileSpec().Exists();
>> +    return false;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoAttachToProcessWithID(lldb::pid_t pid)
>> +{
>> +    Error error;
>> +    assert(m_monitor == NULL);
>> +
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("ProcessPOSIX::%s(pid = %i)", __FUNCTION__, GetID());
>> +
>> +    m_monitor = new ProcessMonitor(this, pid, error);
>> +
>> +    if (!error.Success())
>> +        return error;
>> +
>> +    SetID(pid);
>> +    return error;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::WillLaunch(Module* module)
>> +{
>> +    Error error;
>> +    return error;
>> +}
>> +
>> +const char *
>> +ProcessPOSIX::GetFilePath(
>> +    const lldb_private::ProcessLaunchInfo::FileAction *file_action,
>> +    const char *default_path)
>> +{
>> +    const char *pts_name = "/dev/pts/";
>> +    const char *path = NULL;
>> +
>> +    if (file_action)
>> +    {
>> +        if (file_action->GetAction () == ProcessLaunchInfo::FileAction::eFileActionOpen)
>> +            path = file_action->GetPath();
>> +            // By default the stdio paths passed in will be pseudo-terminal
>> +            // (/dev/pts). If so, convert to using a different default path
>> +            // instead to redirect I/O to the debugger console. This should
>> +            //  also handle user overrides to /dev/null or a different file.
>> +            if (::strncmp(path, pts_name, ::strlen(pts_name)) == 0)
>> +                path = default_path;
>> +    }
>> +
>> +    return path;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoLaunch (Module *module,
>> +                       const ProcessLaunchInfo &launch_info)
>> +{
>> +    Error error;
>> +    assert(m_monitor == NULL);
>> +
>> +    SetPrivateState(eStateLaunching);
>> +
>> +    const lldb_private::ProcessLaunchInfo::FileAction *file_action;
>> +
>> +    // Default of NULL will mean to use existing open file descriptors
>> +    const char *stdin_path = NULL;
>> +    const char *stdout_path = NULL;
>> +    const char *stderr_path = NULL;
>> +    
>> +    file_action = launch_info.GetFileActionForFD (STDIN_FILENO);
>> +    stdin_path = GetFilePath(file_action, stdin_path);
>> +
>> +    file_action = launch_info.GetFileActionForFD (STDOUT_FILENO);
>> +    stdout_path = GetFilePath(file_action, stdout_path);
>> +
>> +    file_action = launch_info.GetFileActionForFD (STDERR_FILENO);
>> +    stderr_path = GetFilePath(file_action, stderr_path);
>> +
>> +    m_monitor = new ProcessMonitor (this, 
>> +                                    module,
>> +                                    launch_info.GetArguments().GetConstArgumentVector(), 
>> +                                    launch_info.GetEnvironmentEntries().GetConstArgumentVector(),
>> +                                    stdin_path, 
>> +                                    stdout_path, 
>> +                                    stderr_path,
>> +                                    error);
>> +
>> +    m_module = module;
>> +
>> +    if (!error.Success())
>> +        return error;
>> +
>> +    SetID(m_monitor->GetPID());
>> +    return error;
>> +}
>> +
>> +void
>> +ProcessPOSIX::DidLaunch()
>> +{
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoResume()
>> +{
>> +    StateType state = GetPrivateState();
>> +
>> +    assert(state == eStateStopped || state == eStateCrashed);
>> +
>> +    // We are about to resume a thread that will cause the process to exit so
>> +    // set our exit status now.  Do not change our state if the inferior
>> +    // crashed.
>> +    if (state == eStateStopped) 
>> +    {
>> +        if (m_in_limbo)
>> +            SetExitStatus(m_exit_status, NULL);
>> +        else
>> +            SetPrivateState(eStateRunning);
>> +    }
>> +
>> +    bool did_resume = false;
>> +    uint32_t thread_count = m_thread_list.GetSize(false);
>> +    for (uint32_t i = 0; i < thread_count; ++i)
>> +    {
>> +        POSIXThread *thread = static_cast<POSIXThread*>(
>> +            m_thread_list.GetThreadAtIndex(i, false).get());
>> +        did_resume = thread->Resume() || did_resume;
>> +    }
>> +    assert(did_resume && "Process resume failed!");
>> +
>> +    return Error();
>> +}
>> +
>> +addr_t
>> +ProcessPOSIX::GetImageInfoAddress()
>> +{
>> +    Target *target = &GetTarget();
>> +    ObjectFile *obj_file = target->GetExecutableModule()->GetObjectFile();
>> +    Address addr = obj_file->GetImageInfoAddress();
>> +
>> +    if (addr.IsValid()) 
>> +        return addr.GetLoadAddress(target);
>> +    else
>> +        return LLDB_INVALID_ADDRESS;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoHalt(bool &caused_stop)
>> +{
>> +    Error error;
>> +
>> +    if (IsStopped())
>> +    {
>> +        caused_stop = false;
>> +    }
>> +    else if (kill(GetID(), SIGSTOP))
>> +    {
>> +        caused_stop = false;
>> +        error.SetErrorToErrno();
>> +    }
>> +    else
>> +    {
>> +        caused_stop = true;
>> +    }
>> +
>> +    return error;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoDetach()
>> +{
>> +    Error error;
>> +
>> +    error = m_monitor->Detach();
>> +    if (error.Success())
>> +        SetPrivateState(eStateDetached);
>> +
>> +    return error;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoSignal(int signal)
>> +{
>> +    Error error;
>> +
>> +    if (kill(GetID(), signal))
>> +        error.SetErrorToErrno();
>> +
>> +    return error;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoDestroy()
>> +{
>> +    Error error;
>> +
>> +    if (!HasExited())
>> +    {
>> +        // Drive the exit event to completion (do not keep the inferior in
>> +        // limbo).
>> +        m_exit_now = true;
>> +
>> +        if (kill(m_monitor->GetPID(), SIGKILL) && error.Success())
>> +        {
>> +            error.SetErrorToErrno();
>> +            return error;
>> +        }
>> +
>> +        SetPrivateState(eStateExited);
>> +    }
>> +
>> +    return error;
>> +}
>> +
>> +void
>> +ProcessPOSIX::SendMessage(const ProcessMessage &message)
>> +{
>> +    Mutex::Locker lock(m_message_mutex);
>> +
>> +    switch (message.GetKind())
>> +    {
>> +    default:
>> +        assert(false && "Unexpected process message!");
>> +        break;
>> +
>> +    case ProcessMessage::eInvalidMessage:
>> +        return;
>> +
>> +    case ProcessMessage::eLimboMessage:
>> +        m_in_limbo = true;
>> +        m_exit_status = message.GetExitStatus();
>> +        if (m_exit_now)
>> +        {
>> +            SetPrivateState(eStateExited);
>> +            m_monitor->Detach();
>> +        }
>> +        else
>> +            SetPrivateState(eStateStopped);
>> +        break;
>> +
>> +    case ProcessMessage::eExitMessage:
>> +        m_exit_status = message.GetExitStatus();
>> +        SetExitStatus(m_exit_status, NULL);
>> +        break;
>> +
>> +    case ProcessMessage::eTraceMessage:
>> +    case ProcessMessage::eBreakpointMessage:
>> +        SetPrivateState(eStateStopped);
>> +        break;
>> +
>> +    case ProcessMessage::eSignalMessage:
>> +    case ProcessMessage::eSignalDeliveredMessage:
>> +        SetPrivateState(eStateStopped);
>> +        break;
>> +
>> +    case ProcessMessage::eCrashMessage:
>> +        SetPrivateState(eStateCrashed);
>> +        break;
>> +    }
>> +
>> +    m_message_queue.push(message);
>> +}
>> +
>> +void
>> +ProcessPOSIX::RefreshStateAfterStop()
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("ProcessPOSIX::%s()", __FUNCTION__);
>> +
>> +    Mutex::Locker lock(m_message_mutex);
>> +    if (m_message_queue.empty())
>> +        return;
>> +
>> +    ProcessMessage &message = m_message_queue.front();
>> +
>> +    // Resolve the thread this message corresponds to and pass it along.
>> +    // FIXME: we're really dealing with the pid here.  This should get
>> +    // fixed when this code is fixed to handle multiple threads.
>> +    lldb::tid_t tid = message.GetTID();
>> +    if (log)
>> +        log->Printf ("ProcessPOSIX::%s() pid = %i", __FUNCTION__, tid);
>> +    POSIXThread *thread = static_cast<POSIXThread*>(
>> +        GetThreadList().FindThreadByID(tid, false).get());
>> +
>> +    assert(thread);
>> +    thread->Notify(message);
>> +
>> +    m_message_queue.pop();
>> +}
>> +
>> +bool
>> +ProcessPOSIX::IsAlive()
>> +{
>> +    StateType state = GetPrivateState();
>> +    return state != eStateDetached && state != eStateExited && state != eStateInvalid;
>> +}
>> +
>> +size_t
>> +ProcessPOSIX::DoReadMemory(addr_t vm_addr,
>> +                           void *buf, size_t size, Error &error)
>> +{
>> +    assert(m_monitor);
>> +    return m_monitor->ReadMemory(vm_addr, buf, size, error);
>> +}
>> +
>> +size_t
>> +ProcessPOSIX::DoWriteMemory(addr_t vm_addr, const void *buf, size_t size,
>> +                            Error &error)
>> +{
>> +    assert(m_monitor);
>> +    return m_monitor->WriteMemory(vm_addr, buf, size, error);
>> +}
>> +
>> +addr_t
>> +ProcessPOSIX::DoAllocateMemory(size_t size, uint32_t permissions,
>> +                               Error &error)
>> +{
>> +    addr_t allocated_addr = LLDB_INVALID_ADDRESS;
>> +
>> +    unsigned prot = 0;
>> +    if (permissions & lldb::ePermissionsReadable)
>> +        prot |= eMmapProtRead;
>> +    if (permissions & lldb::ePermissionsWritable)
>> +        prot |= eMmapProtWrite;
>> +    if (permissions & lldb::ePermissionsExecutable)
>> +        prot |= eMmapProtExec;
>> +
>> +    if (InferiorCallMmap(this, allocated_addr, 0, size, prot,
>> +                         eMmapFlagsAnon | eMmapFlagsPrivate, -1, 0)) {
>> +        m_addr_to_mmap_size[allocated_addr] = size;
>> +        error.Clear();
>> +    } else {
>> +        allocated_addr = LLDB_INVALID_ADDRESS;
>> +        error.SetErrorStringWithFormat("unable to allocate %zu bytes of memory with permissions %s", size, GetPermissionsAsCString (permissions));
>> +    }
>> +
>> +    return allocated_addr;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DoDeallocateMemory(lldb::addr_t addr)
>> +{
>> +    Error error;
>> +    MMapMap::iterator pos = m_addr_to_mmap_size.find(addr);
>> +    if (pos != m_addr_to_mmap_size.end() &&
>> +        InferiorCallMunmap(this, addr, pos->second))
>> +        m_addr_to_mmap_size.erase (pos);
>> +    else
>> +        error.SetErrorStringWithFormat("unable to deallocate memory at 0x%llx", addr);
>> +
>> +    return error;
>> +}
>> +
>> +size_t
>> +ProcessPOSIX::GetSoftwareBreakpointTrapOpcode(BreakpointSite* bp_site)
>> +{
>> +    static const uint8_t g_i386_opcode[] = { 0xCC };
>> +
>> +    ArchSpec arch = GetTarget().GetArchitecture();
>> +    const uint8_t *opcode = NULL;
>> +    size_t opcode_size = 0;
>> +
>> +    switch (arch.GetCore())
>> +    {
>> +    default:
>> +        assert(false && "CPU type not supported!");
>> +        break;
>> +
>> +    case ArchSpec::eCore_x86_32_i386:
>> +    case ArchSpec::eCore_x86_64_x86_64:
>> +        opcode = g_i386_opcode;
>> +        opcode_size = sizeof(g_i386_opcode);
>> +        break;
>> +    }
>> +
>> +    bp_site->SetTrapOpcode(opcode, opcode_size);
>> +    return opcode_size;
>> +}
>> +
>> +Error
>> +ProcessPOSIX::EnableBreakpoint(BreakpointSite *bp_site)
>> +{
>> +    return EnableSoftwareBreakpoint(bp_site);
>> +}
>> +
>> +Error
>> +ProcessPOSIX::DisableBreakpoint(BreakpointSite *bp_site)
>> +{
>> +    return DisableSoftwareBreakpoint(bp_site);
>> +}
>> +
>> +uint32_t
>> +ProcessPOSIX::UpdateThreadListIfNeeded()
>> +{
>> +    // Do not allow recursive updates.
>> +    return m_thread_list.GetSize(false);
>> +}
>> +
>> +uint32_t
>> +ProcessPOSIX::UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list)
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("ProcessPOSIX::%s() (pid = %i)", __FUNCTION__, GetID());
>> +
>> +    // Update the process thread list with this new thread.
>> +    // FIXME: We should be using tid, not pid.
>> +    assert(m_monitor);
>> +    ThreadSP thread_sp (old_thread_list.FindThreadByID (GetID(), false));
>> +    if (!thread_sp)
>> +        thread_sp.reset(new POSIXThread(*this, GetID()));
>> +
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("ProcessPOSIX::%s() updated pid = %i", __FUNCTION__, GetID());
>> +    new_thread_list.AddThread(thread_sp);
>> +
>> +    return new_thread_list.GetSize(false);
>> +}
>> +
>> +ByteOrder
>> +ProcessPOSIX::GetByteOrder() const
>> +{
>> +    // FIXME: We should be able to extract this value directly.  See comment in
>> +    // ProcessPOSIX().
>> +    return m_byte_order;
>> +}
>> +
>> +size_t
>> +ProcessPOSIX::PutSTDIN(const char *buf, size_t len, Error &error)
>> +{
>> +    ssize_t status;
>> +    if ((status = write(m_monitor->GetTerminalFD(), buf, len)) < 0) 
>> +    {
>> +        error.SetErrorToErrno();
>> +        return 0;
>> +    }
>> +    return status;
>> +}
>> +
>> +size_t
>> +ProcessPOSIX::GetSTDOUT(char *buf, size_t len, Error &error)
>> +{
>> +    ssize_t bytes_read;
>> +
>> +    // The terminal file descriptor is always in non-block mode.
>> +    if ((bytes_read = read(m_monitor->GetTerminalFD(), buf, len)) < 0) 
>> +    {
>> +        if (errno != EAGAIN)
>> +            error.SetErrorToErrno();
>> +        return 0;
>> +    }
>> +    return bytes_read;
>> +}
>> +
>> +size_t
>> +ProcessPOSIX::GetSTDERR(char *buf, size_t len, Error &error)
>> +{
>> +    return GetSTDOUT(buf, len, error);
>> +}
>> +
>> +UnixSignals &
>> +ProcessPOSIX::GetUnixSignals()
>> +{
>> +    return m_signals;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +// Utility functions.
>> +
>> +bool
>> +ProcessPOSIX::HasExited()
>> +{
>> +    switch (GetPrivateState())
>> +    {
>> +    default:
>> +        break;
>> +
>> +    case eStateDetached:
>> +    case eStateExited:
>> +        return true;
>> +    }
>> +
>> +    return false;
>> +}
>> +
>> +bool
>> +ProcessPOSIX::IsStopped()
>> +{
>> +    switch (GetPrivateState())
>> +    {
>> +    default:
>> +        break;
>> +
>> +    case eStateStopped:
>> +    case eStateCrashed:
>> +    case eStateSuspended:
>> +        return true;
>> +    }
>> +
>> +    return false;
>> +}
>> Index: source/Plugins/Process/POSIX/RegisterContext_i386.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/RegisterContext_i386.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/RegisterContext_i386.cpp	(revision 0)
>> @@ -0,0 +1,643 @@
>> +//===-- RegisterContextPOSIX_i386.cpp ---------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#include "lldb/Core/DataExtractor.h"
>> +#include "lldb/Target/Thread.h"
>> +#include "lldb/Host/Endian.h"
>> +
>> +#include "ProcessPOSIX.h"
>> +#include "ProcessPOSIXLog.h"
>> +#include "ProcessMonitor.h"
>> +#include "RegisterContext_i386.h"
>> +
>> +using namespace lldb_private;
>> +using namespace lldb;
>> +
>> +enum
>> +{
>> +    k_first_gpr,
>> +    gpr_eax = k_first_gpr,
>> +    gpr_ebx,
>> +    gpr_ecx,
>> +    gpr_edx,
>> +    gpr_edi,
>> +    gpr_esi,
>> +    gpr_ebp,
>> +    gpr_esp,
>> +    gpr_ss,
>> +    gpr_eflags,
>> +#ifdef __FreeBSD__
>> +    gpr_orig_ax,
>> +#endif
>> +    gpr_eip,
>> +    gpr_cs,
>> +    gpr_ds,
>> +    gpr_es,
>> +    gpr_fs,
>> +    gpr_gs,
>> +    k_last_gpr = gpr_gs,
>> +
>> +    k_first_fpr,
>> +    fpu_fcw = k_first_fpr,
>> +    fpu_fsw,
>> +    fpu_ftw,
>> +    fpu_fop,
>> +    fpu_ip,
>> +    fpu_cs,
>> +    fpu_foo,
>> +    fpu_fos,
>> +    fpu_mxcsr,
>> +    fpu_stmm0,
>> +    fpu_stmm1,
>> +    fpu_stmm2,
>> +    fpu_stmm3,
>> +    fpu_stmm4,
>> +    fpu_stmm5,
>> +    fpu_stmm6,
>> +    fpu_stmm7,
>> +    fpu_xmm0,
>> +    fpu_xmm1,
>> +    fpu_xmm2,
>> +    fpu_xmm3,
>> +    fpu_xmm4,
>> +    fpu_xmm5,
>> +    fpu_xmm6,
>> +    fpu_xmm7,
>> +    k_last_fpr = fpu_xmm7,
>> +
>> +    k_num_registers,
>> +    k_num_gpr_registers = k_last_gpr - k_first_gpr + 1,
>> +    k_num_fpu_registers = k_last_fpr - k_first_fpr + 1
>> +};
>> +
>> +// Number of register sets provided by this context.
>> +enum
>> +{
>> +    k_num_register_sets = 2
>> +};
>> +
>> +enum
>> +{
>> +    gcc_eax = 0,
>> +    gcc_ecx,
>> +    gcc_edx,
>> +    gcc_ebx,
>> +    gcc_ebp,
>> +    gcc_esp,
>> +    gcc_esi,
>> +    gcc_edi,
>> +    gcc_eip,
>> +    gcc_eflags
>> +};
>> +
>> +enum
>> +{
>> +    dwarf_eax = 0,
>> +    dwarf_ecx,
>> +    dwarf_edx,
>> +    dwarf_ebx,
>> +    dwarf_esp,
>> +    dwarf_ebp,
>> +    dwarf_esi,
>> +    dwarf_edi,
>> +    dwarf_eip,
>> +    dwarf_eflags,
>> +    dwarf_stmm0 = 11,
>> +    dwarf_stmm1,
>> +    dwarf_stmm2,
>> +    dwarf_stmm3,
>> +    dwarf_stmm4,
>> +    dwarf_stmm5,
>> +    dwarf_stmm6,
>> +    dwarf_stmm7,
>> +    dwarf_xmm0 = 21,
>> +    dwarf_xmm1,
>> +    dwarf_xmm2,
>> +    dwarf_xmm3,
>> +    dwarf_xmm4,
>> +    dwarf_xmm5,
>> +    dwarf_xmm6,
>> +    dwarf_xmm7
>> +};
>> +
>> +enum
>> +{
>> +    gdb_eax        =  0,
>> +    gdb_ecx        =  1,
>> +    gdb_edx        =  2,
>> +    gdb_ebx        =  3,
>> +    gdb_esp        =  4,
>> +    gdb_ebp        =  5,
>> +    gdb_esi        =  6,
>> +    gdb_edi        =  7,
>> +    gdb_eip        =  8,
>> +    gdb_eflags     =  9,
>> +    gdb_cs         = 10,
>> +    gdb_ss         = 11,
>> +    gdb_ds         = 12,
>> +    gdb_es         = 13,
>> +    gdb_fs         = 14,
>> +    gdb_gs         = 15,
>> +    gdb_stmm0      = 16,
>> +    gdb_stmm1      = 17,
>> +    gdb_stmm2      = 18,
>> +    gdb_stmm3      = 19,
>> +    gdb_stmm4      = 20,
>> +    gdb_stmm5      = 21,
>> +    gdb_stmm6      = 22,
>> +    gdb_stmm7      = 23,
>> +    gdb_fcw        = 24,
>> +    gdb_fsw        = 25,
>> +    gdb_ftw        = 26,
>> +    gdb_fpu_cs     = 27,
>> +    gdb_ip         = 28,
>> +    gdb_fpu_ds     = 29,
>> +    gdb_dp         = 30,
>> +    gdb_fop        = 31,
>> +    gdb_xmm0       = 32,
>> +    gdb_xmm1       = 33,
>> +    gdb_xmm2       = 34,
>> +    gdb_xmm3       = 35,
>> +    gdb_xmm4       = 36,
>> +    gdb_xmm5       = 37,
>> +    gdb_xmm6       = 38,
>> +    gdb_xmm7       = 39,
>> +    gdb_mxcsr      = 40,
>> +    gdb_mm0        = 41,
>> +    gdb_mm1        = 42,
>> +    gdb_mm2        = 43,
>> +    gdb_mm3        = 44,
>> +    gdb_mm4        = 45,
>> +    gdb_mm5        = 46,
>> +    gdb_mm6        = 47,
>> +    gdb_mm7        = 48
>> +};
>> +
>> +static const
>> +uint32_t g_gpr_regnums[k_num_gpr_registers] =
>> +{
>> +    gpr_eax,
>> +    gpr_ebx,
>> +    gpr_ecx,
>> +    gpr_edx,
>> +    gpr_edi,
>> +    gpr_esi,
>> +    gpr_ebp,
>> +    gpr_esp,
>> +    gpr_ss,
>> +    gpr_eflags,
>> +#ifdef __FreeBSD__
>> +    gpr_orig_ax,
>> +#endif
>> +    gpr_eip,
>> +    gpr_cs,
>> +    gpr_ds,
>> +    gpr_es,
>> +    gpr_fs,
>> +    gpr_gs,
>> +};
>> +
>> +static const uint32_t
>> +g_fpu_regnums[k_num_fpu_registers] =
>> +{
>> +    fpu_fcw,
>> +    fpu_fsw,
>> +    fpu_ftw,
>> +    fpu_fop,
>> +    fpu_ip,
>> +    fpu_cs,
>> +    fpu_foo,
>> +    fpu_fos,
>> +    fpu_mxcsr,
>> +    fpu_stmm0,
>> +    fpu_stmm1,
>> +    fpu_stmm2,
>> +    fpu_stmm3,
>> +    fpu_stmm4,
>> +    fpu_stmm5,
>> +    fpu_stmm6,
>> +    fpu_stmm7,
>> +    fpu_xmm0,
>> +    fpu_xmm1,
>> +    fpu_xmm2,
>> +    fpu_xmm3,
>> +    fpu_xmm4,
>> +    fpu_xmm5,
>> +    fpu_xmm6,
>> +    fpu_xmm7,
>> +};
>> +
>> +static const RegisterSet
>> +g_reg_sets[k_num_register_sets] =
>> +{
>> +    { "General Purpose Registers", "gpr", k_num_gpr_registers, g_gpr_regnums },
>> +    { "Floating Point Registers",  "fpu", k_num_fpu_registers, g_fpu_regnums }
>> +};
>> +
>> +// Computes the offset of the given GPR in the user data area.
>> +#define GPR_OFFSET(regname) \
>> +    (offsetof(RegisterContext_i386::UserArea, regs) + \
>> +     offsetof(RegisterContext_i386::GPR, regname))
>> +
>> +// Computes the offset of the given FPR in the user data area.
>> +#define FPR_OFFSET(regname) \
>> +    (offsetof(RegisterContext_i386::UserArea, i387) + \
>> +     offsetof(RegisterContext_i386::FPU, regname))
>> +
>> +// Number of bytes needed to represent a GPR.
>> +#define GPR_SIZE(reg) sizeof(((RegisterContext_i386::GPR*)NULL)->reg)
>> +
>> +// Number of bytes needed to represent a FPR.
>> +#define FPR_SIZE(reg) sizeof(((RegisterContext_i386::FPU*)NULL)->reg)
>> +
>> +// Number of bytes needed to represent the i'th FP register.
>> +#define FP_SIZE sizeof(((RegisterContext_i386::MMSReg*)NULL)->bytes)
>> +
>> +// Number of bytes needed to represent an XMM register.
>> +#define XMM_SIZE sizeof(RegisterContext_i386::XMMReg)
>> +
>> +#define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4)        \
>> +    { #reg, alt, GPR_SIZE(reg), GPR_OFFSET(reg), eEncodingUint, \
>> +      eFormatHex, { kind1, kind2, kind3, kind4, gpr_##reg } }
>> +
>> +#define DEFINE_FPR(reg, kind1, kind2, kind3, kind4)              \
>> +    { #reg, NULL, FPR_SIZE(reg), FPR_OFFSET(reg), eEncodingUint, \
>> +      eFormatHex, { kind1, kind2, kind3, kind4, fpu_##reg } }
>> +
>> +#define DEFINE_FP(reg, i)                                          \
>> +    { #reg#i, NULL, FP_SIZE, FPR_OFFSET(reg[i]), eEncodingVector,  \
>> +      eFormatVectorOfUInt8,                                        \
>> +      { dwarf_##reg##i, dwarf_##reg##i,                            \
>> +        LLDB_INVALID_REGNUM, gdb_##reg##i, fpu_##reg##i } }
>> +
>> +#define DEFINE_XMM(reg, i)                                         \
>> +    { #reg#i, NULL, XMM_SIZE, FPR_OFFSET(reg[i]), eEncodingVector, \
>> +      eFormatVectorOfUInt8,                                        \
>> +      { dwarf_##reg##i, dwarf_##reg##i,                            \
>> +        LLDB_INVALID_REGNUM, gdb_##reg##i, fpu_##reg##i } }
>> +
>> +static RegisterInfo
>> +g_register_infos[k_num_registers] =
>> +{
>> +    // General purpose registers.
>> +    DEFINE_GPR(eax,    NULL,    gcc_eax,    dwarf_eax,    LLDB_INVALID_REGNUM,    gdb_eax),
>> +    DEFINE_GPR(ebx,    NULL,    gcc_ebx,    dwarf_ebx,    LLDB_INVALID_REGNUM,    gdb_ebx),
>> +    DEFINE_GPR(ecx,    NULL,    gcc_ecx,    dwarf_ecx,    LLDB_INVALID_REGNUM,    gdb_ecx),
>> +    DEFINE_GPR(edx,    NULL,    gcc_edx,    dwarf_edx,    LLDB_INVALID_REGNUM,    gdb_edx),
>> +    DEFINE_GPR(edi,    NULL,    gcc_edi,    dwarf_edi,    LLDB_INVALID_REGNUM,    gdb_edi),
>> +    DEFINE_GPR(esi,    NULL,    gcc_esi,    dwarf_esi,    LLDB_INVALID_REGNUM,    gdb_esi),
>> +    DEFINE_GPR(ebp,    "fp",    gcc_ebp,    dwarf_ebp,    LLDB_INVALID_REGNUM,    gdb_ebp),
>> +    DEFINE_GPR(esp,    "sp",    gcc_esp,    dwarf_esp,    LLDB_INVALID_REGNUM,    gdb_esp),
>> +    DEFINE_GPR(ss,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_ss),
>> +    DEFINE_GPR(eflags, "flags", gcc_eflags, dwarf_eflags, LLDB_INVALID_REGNUM,    gdb_eflags),
>> +    DEFINE_GPR(eip,    "pc",    gcc_eip,    dwarf_eip,    LLDB_INVALID_REGNUM,    gdb_eip),
>> +    DEFINE_GPR(cs,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_cs),
>> +    DEFINE_GPR(ds,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_ds),
>> +    DEFINE_GPR(es,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_es),
>> +    DEFINE_GPR(fs,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_fs),
>> +    DEFINE_GPR(gs,     NULL,    LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,     LLDB_INVALID_REGNUM,    gdb_gs),
>> +
>> +    // Floating point registers.
>> +    DEFINE_FPR(fcw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fcw),
>> +    DEFINE_FPR(fsw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fsw),
>> +    DEFINE_FPR(ftw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_ftw),
>> +    DEFINE_FPR(fop,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fop),
>> +    DEFINE_FPR(ip,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_ip),
>> +    DEFINE_FPR(cs,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_cs),
>> +    DEFINE_FPR(foo,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_dp),
>> +    DEFINE_FPR(fos,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ds),
>> +    DEFINE_FPR(mxcsr,     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_mxcsr),
>> +
>> +    DEFINE_FP(stmm, 0),
>> +    DEFINE_FP(stmm, 1),
>> +    DEFINE_FP(stmm, 2),
>> +    DEFINE_FP(stmm, 3),
>> +    DEFINE_FP(stmm, 4),
>> +    DEFINE_FP(stmm, 5),
>> +    DEFINE_FP(stmm, 6),
>> +    DEFINE_FP(stmm, 7),
>> +
>> +    // XMM registers
>> +    DEFINE_XMM(xmm, 0),
>> +    DEFINE_XMM(xmm, 1),
>> +    DEFINE_XMM(xmm, 2),
>> +    DEFINE_XMM(xmm, 3),
>> +    DEFINE_XMM(xmm, 4),
>> +    DEFINE_XMM(xmm, 5),
>> +    DEFINE_XMM(xmm, 6),
>> +    DEFINE_XMM(xmm, 7),
>> +
>> +};
>> +
>> +#ifndef NDEBUG
>> +static size_t k_num_register_infos = (sizeof(g_register_infos)/sizeof(RegisterInfo));
>> +#endif
>> +
>> +static unsigned GetRegOffset(unsigned reg)
>> +{
>> +    assert(reg < k_num_registers && "Invalid register number.");
>> +    return g_register_infos[reg].byte_offset;
>> +}
>> +
>> +static unsigned GetRegSize(unsigned reg)
>> +{
>> +    assert(reg < k_num_registers && "Invalid register number.");
>> +    return g_register_infos[reg].byte_size;
>> +}
>> +
>> +RegisterContext_i386::RegisterContext_i386(Thread &thread,
>> +                                                     uint32_t concrete_frame_idx)
>> +    : RegisterContextPOSIX(thread, concrete_frame_idx)
>> +{
>> +}
>> +
>> +RegisterContext_i386::~RegisterContext_i386()
>> +{
>> +}
>> +
>> +ProcessMonitor &
>> +RegisterContext_i386::GetMonitor()
>> +{
>> +    ProcessPOSIX *process = static_cast<ProcessPOSIX*>(CalculateProcess());
>> +    return process->GetMonitor();
>> +}
>> +
>> +void
>> +RegisterContext_i386::Invalidate()
>> +{
>> +}
>> +
>> +void
>> +RegisterContext_i386::InvalidateAllRegisters()
>> +{
>> +}
>> +
>> +size_t
>> +RegisterContext_i386::GetRegisterCount()
>> +{
>> +    assert(k_num_register_infos == k_num_registers);
>> +    return k_num_registers;
>> +}
>> +
>> +const RegisterInfo *
>> +RegisterContext_i386::GetRegisterInfoAtIndex(uint32_t reg)
>> +{
>> +    assert(k_num_register_infos == k_num_registers);
>> +    if (reg < k_num_registers)
>> +        return &g_register_infos[reg];
>> +    else
>> +        return NULL;
>> +}
>> +
>> +size_t
>> +RegisterContext_i386::GetRegisterSetCount()
>> +{
>> +    return k_num_register_sets;
>> +}
>> +
>> +const RegisterSet *
>> +RegisterContext_i386::GetRegisterSet(uint32_t set)
>> +{
>> +    if (set < k_num_register_sets)
>> +        return &g_reg_sets[set];
>> +    else
>> +        return NULL;
>> +}
>> +
>> +unsigned
>> +RegisterContext_i386::GetRegisterIndexFromOffset(unsigned offset)
>> +{
>> +    unsigned reg;
>> +    for (reg = 0; reg < k_num_registers; reg++)
>> +    {
>> +        if (g_register_infos[reg].byte_offset == offset)
>> +            break;
>> +    }
>> +    assert(reg < k_num_registers && "Invalid register offset.");
>> +    return reg;
>> +}
>> +
>> +const char *
>> +RegisterContext_i386::GetRegisterName(unsigned reg)
>> +{
>> +    assert(reg < k_num_registers && "Invalid register offset.");
>> +    return g_register_infos[reg].name;
>> +}
>> +
>> +bool
>> +RegisterContext_i386::ReadRegister(const RegisterInfo *reg_info,
>> +                                        RegisterValue &value)
>> +{
>> +    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.ReadRegisterValue(GetRegOffset(reg), GetRegSize(reg), value);
>> +}
>> +
>> +bool
>> +RegisterContext_i386::ReadAllRegisterValues(DataBufferSP &data_sp)
>> +{
>> +    return false;
>> +}
>> +
>> +bool RegisterContext_i386::WriteRegister(const RegisterInfo *reg_info,
>> +                                              const RegisterValue &value)
>> +{
>> +    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.WriteRegisterValue(GetRegOffset(reg), value);
>> +}
>> +
>> +bool
>> +RegisterContext_i386::WriteAllRegisterValues(const DataBufferSP &data)
>> +{
>> +    return false;
>> +}
>> +
>> +bool
>> +RegisterContext_i386::UpdateAfterBreakpoint()
>> +{
>> +    // PC points one byte past the int3 responsible for the breakpoint.
>> +    lldb::addr_t pc;
>> +
>> +    if ((pc = GetPC()) == LLDB_INVALID_ADDRESS)
>> +        return false;
>> +
>> +    SetPC(pc - 1);
>> +    return true;
>> +}
>> +
>> +uint32_t
>> +RegisterContext_i386::ConvertRegisterKindToRegisterNumber(uint32_t kind,
>> +                                                               uint32_t num)
>> +{
>> +    if (kind == eRegisterKindGeneric)
>> +    {
>> +        switch (num)
>> +        {
>> +        case LLDB_REGNUM_GENERIC_PC:    return gpr_eip;
>> +        case LLDB_REGNUM_GENERIC_SP:    return gpr_esp;
>> +        case LLDB_REGNUM_GENERIC_FP:    return gpr_ebp;
>> +        case LLDB_REGNUM_GENERIC_FLAGS: return gpr_eflags;
>> +        case LLDB_REGNUM_GENERIC_RA:
>> +        default:
>> +            return LLDB_INVALID_REGNUM;
>> +        }
>> +    }
>> +
>> +    if (kind == eRegisterKindGCC || kind == eRegisterKindDWARF)
>> +    {
>> +        switch (num)
>> +        {
>> +        case dwarf_eax:  return gpr_eax;
>> +        case dwarf_edx:  return gpr_edx;
>> +        case dwarf_ecx:  return gpr_ecx;
>> +        case dwarf_ebx:  return gpr_ebx;
>> +        case dwarf_esi:  return gpr_esi;
>> +        case dwarf_edi:  return gpr_edi;
>> +        case dwarf_ebp:  return gpr_ebp;
>> +        case dwarf_esp:  return gpr_esp;
>> +        case dwarf_eip:  return gpr_eip;
>> +        case dwarf_xmm0: return fpu_xmm0;
>> +        case dwarf_xmm1: return fpu_xmm1;
>> +        case dwarf_xmm2: return fpu_xmm2;
>> +        case dwarf_xmm3: return fpu_xmm3;
>> +        case dwarf_xmm4: return fpu_xmm4;
>> +        case dwarf_xmm5: return fpu_xmm5;
>> +        case dwarf_xmm6: return fpu_xmm6;
>> +        case dwarf_xmm7: return fpu_xmm7;
>> +        case dwarf_stmm0: return fpu_stmm0;
>> +        case dwarf_stmm1: return fpu_stmm1;
>> +        case dwarf_stmm2: return fpu_stmm2;
>> +        case dwarf_stmm3: return fpu_stmm3;
>> +        case dwarf_stmm4: return fpu_stmm4;
>> +        case dwarf_stmm5: return fpu_stmm5;
>> +        case dwarf_stmm6: return fpu_stmm6;
>> +        case dwarf_stmm7: return fpu_stmm7;
>> +        default:
>> +            return LLDB_INVALID_REGNUM;
>> +        }
>> +    }
>> +
>> +    if (kind == eRegisterKindGDB)
>> +    {
>> +        switch (num)
>> +        {
>> +        case gdb_eax     : return gpr_eax;
>> +        case gdb_ebx     : return gpr_ebx;
>> +        case gdb_ecx     : return gpr_ecx;
>> +        case gdb_edx     : return gpr_edx;
>> +        case gdb_esi     : return gpr_esi;
>> +        case gdb_edi     : return gpr_edi;
>> +        case gdb_ebp     : return gpr_ebp;
>> +        case gdb_esp     : return gpr_esp;
>> +        case gdb_eip     : return gpr_eip;
>> +        case gdb_eflags  : return gpr_eflags;
>> +        case gdb_cs      : return gpr_cs;
>> +        case gdb_ss      : return gpr_ss;
>> +        case gdb_ds      : return gpr_ds;
>> +        case gdb_es      : return gpr_es;
>> +        case gdb_fs      : return gpr_fs;
>> +        case gdb_gs      : return gpr_gs;
>> +        case gdb_stmm0   : return fpu_stmm0;
>> +        case gdb_stmm1   : return fpu_stmm1;
>> +        case gdb_stmm2   : return fpu_stmm2;
>> +        case gdb_stmm3   : return fpu_stmm3;
>> +        case gdb_stmm4   : return fpu_stmm4;
>> +        case gdb_stmm5   : return fpu_stmm5;
>> +        case gdb_stmm6   : return fpu_stmm6;
>> +        case gdb_stmm7   : return fpu_stmm7;
>> +        case gdb_fcw     : return fpu_fcw;
>> +        case gdb_fsw     : return fpu_fsw;
>> +        case gdb_ftw     : return fpu_ftw;
>> +        case gdb_fpu_cs  : return fpu_cs;
>> +        case gdb_ip      : return fpu_ip;
>> +        case gdb_fpu_ds  : return fpu_fos;
>> +        case gdb_dp      : return fpu_foo;
>> +        case gdb_fop     : return fpu_fop;
>> +        case gdb_xmm0    : return fpu_xmm0;
>> +        case gdb_xmm1    : return fpu_xmm1;
>> +        case gdb_xmm2    : return fpu_xmm2;
>> +        case gdb_xmm3    : return fpu_xmm3;
>> +        case gdb_xmm4    : return fpu_xmm4;
>> +        case gdb_xmm5    : return fpu_xmm5;
>> +        case gdb_xmm6    : return fpu_xmm6;
>> +        case gdb_xmm7    : return fpu_xmm7;
>> +        case gdb_mxcsr   : return fpu_mxcsr;
>> +        default:
>> +            return LLDB_INVALID_REGNUM;
>> +        }
>> +    }
>> +    else if (kind == eRegisterKindLLDB)
>> +    {
>> +        return num;
>> +    }
>> +
>> +    return LLDB_INVALID_REGNUM;
>> +}
>> +
>> +bool
>> +RegisterContext_i386::HardwareSingleStep(bool enable)
>> +{
>> +    enum { TRACE_BIT = 0x100 };
>> +    uint64_t eflags;
>> +
>> +    if ((eflags = ReadRegisterAsUnsigned(gpr_eflags, -1UL)) == -1UL)
>> +        return false;
>> +
>> +    if (enable)
>> +    {
>> +        if (eflags & TRACE_BIT)
>> +            return true;
>> +
>> +        eflags |= TRACE_BIT;
>> +    }
>> +    else
>> +    {
>> +        if (!(eflags & TRACE_BIT))
>> +            return false;
>> +
>> +        eflags &= ~TRACE_BIT;
>> +    }
>> +
>> +    return WriteRegisterFromUnsigned(gpr_eflags, eflags);
>> +}
>> +
>> +void
>> +RegisterContext_i386::LogGPR(const char *title)
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_REGISTERS));
>> +    if (log)
>> +    {
>> +        if (title)
>> +            log->Printf ("%s", title);
>> +        for (uint32_t i=0; i<k_num_gpr_registers; i++)
>> +        {
>> +            uint32_t reg = gpr_eax + i;
>> +            log->Printf("%12s = 0x%8.8x", g_register_infos[reg].name, (&user.regs)[reg]);
>> +        }
>> +    }
>> +}
>> +
>> +bool
>> +RegisterContext_i386::ReadGPR()
>> +{
>> +    bool result;
>> +
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    result = monitor.ReadGPR(&user.regs);
>> +    LogGPR("RegisterContext_i386::ReadGPR()");
>> +    return result;
>> +}
>> +
>> +bool
>> +RegisterContext_i386::ReadFPR()
>> +{
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.ReadFPR(&user.i387);
>> +}
>> Index: source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp	(revision 0)
>> @@ -0,0 +1,195 @@
>> +//===-- ProcessPOSIXLog.cpp ---------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#include "ProcessPOSIXLog.h"
>> +
>> +#include "lldb/Interpreter/Args.h"
>> +#include "lldb/Core/StreamFile.h"
>> +
>> +#include "ProcessPOSIX.h"
>> +#include "ProcessPOSIXLog.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +
>> +// We want to avoid global constructors where code needs to be run so here we
>> +// control access to our static g_log_sp by hiding it in a singleton function
>> +// that will construct the static g_lob_sp the first time this function is 
>> +// called.
>> +static LogSP &
>> +GetLog ()
>> +{
>> +    static LogSP g_log_sp;
>> +    return g_log_sp;
>> +}
>> +
>> +LogSP
>> +ProcessPOSIXLog::GetLogIfAllCategoriesSet (uint32_t mask)
>> +{
>> +    LogSP log(GetLog ());
>> +    if (log && mask)
>> +    {
>> +        uint32_t log_mask = log->GetMask().Get();
>> +        if ((log_mask & mask) != mask)
>> +            return LogSP();
>> +    }
>> +    return log;
>> +}
>> +
>> +void
>> +ProcessPOSIXLog::DisableLog (Args &args, Stream *feedback_strm)
>> +{
>> +    LogSP log (GetLog ());
>> +    if (log)
>> +    {
>> +        uint32_t flag_bits = 0;
>> +        
>> +        const size_t argc = args.GetArgumentCount ();
>> +        if (argc > 0)
>> +        {
>> +            flag_bits = log->GetMask().Get();
>> +            for (size_t i = 0; i < argc; ++i)
>> +            {
>> +                const char *arg = args.GetArgumentAtIndex (i);
>> +                
>> +
>> +                if      (::strcasecmp (arg, "all")        == 0 ) flag_bits &= ~POSIX_LOG_ALL;
>> +                else if (::strcasecmp (arg, "async")      == 0 ) flag_bits &= ~POSIX_LOG_ASYNC;
>> +                else if (::strncasecmp (arg, "break", 5)  == 0 ) flag_bits &= ~POSIX_LOG_BREAKPOINTS;
>> +                else if (::strncasecmp (arg, "comm", 4)   == 0 ) flag_bits &= ~POSIX_LOG_COMM;
>> +                else if (::strcasecmp (arg, "default")    == 0 ) flag_bits &= ~POSIX_LOG_DEFAULT;
>> +                else if (::strcasecmp (arg, "packets")    == 0 ) flag_bits &= ~POSIX_LOG_PACKETS;
>> +                else if (::strcasecmp (arg, "memory")     == 0 ) flag_bits &= ~POSIX_LOG_MEMORY;
>> +                else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits &= ~POSIX_LOG_MEMORY_DATA_SHORT;
>> +                else if (::strcasecmp (arg, "data-long")  == 0 ) flag_bits &= ~POSIX_LOG_MEMORY_DATA_LONG;
>> +                else if (::strcasecmp (arg, "process")    == 0 ) flag_bits &= ~POSIX_LOG_PROCESS;
>> +                else if (::strcasecmp (arg, "ptrace")     == 0 ) flag_bits &= ~POSIX_LOG_PTRACE;
>> +                else if (::strcasecmp (arg, "registers")  == 0 ) flag_bits &= ~POSIX_LOG_REGISTERS;
>> +                else if (::strcasecmp (arg, "step")       == 0 ) flag_bits &= ~POSIX_LOG_STEP;
>> +                else if (::strcasecmp (arg, "thread")     == 0 ) flag_bits &= ~POSIX_LOG_THREAD;
>> +                else if (::strcasecmp (arg, "verbose")    == 0 ) flag_bits &= ~POSIX_LOG_VERBOSE;
>> +                else if (::strncasecmp (arg, "watch", 5)  == 0 ) flag_bits &= ~POSIX_LOG_WATCHPOINTS;
>> +                else
>> +                {
>> +                    feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
>> +                    ListLogCategories (feedback_strm);
>> +                }
>> +                
>> +            }
>> +        }
>> +        
>> +        if (flag_bits == 0)
>> +            GetLog ().reset();
>> +        else
>> +            log->GetMask().Reset (flag_bits);
>> +    }
>> +    
>> +    return;
>> +}
>> +
>> +LogSP
>> +ProcessPOSIXLog::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, Args &args, Stream *feedback_strm)
>> +{
>> +    // Try see if there already is a log - that way we can reuse its settings.
>> +    // We could reuse the log in toto, but we don't know that the stream is the same.
>> +    uint32_t flag_bits = 0;
>> +    LogSP log(GetLog ());
>> +    if (log)
>> +        flag_bits = log->GetMask().Get();
>> +
>> +    // Now make a new log with this stream if one was provided
>> +    if (log_stream_sp)
>> +    {
>> +        log = make_shared<Log>(log_stream_sp);
>> +        GetLog () = log;
>> +    }
>> +
>> +    if (log)
>> +    {
>> +        bool got_unknown_category = false;
>> +        const size_t argc = args.GetArgumentCount();
>> +        for (size_t i=0; i<argc; ++i)
>> +        {
>> +            const char *arg = args.GetArgumentAtIndex(i);
>> +
>> +            if      (::strcasecmp (arg, "all")        == 0 ) flag_bits |= POSIX_LOG_ALL;
>> +            else if (::strcasecmp (arg, "async")      == 0 ) flag_bits |= POSIX_LOG_ASYNC;
>> +            else if (::strncasecmp (arg, "break", 5)  == 0 ) flag_bits |= POSIX_LOG_BREAKPOINTS;
>> +            else if (::strncasecmp (arg, "comm", 4)   == 0 ) flag_bits |= POSIX_LOG_COMM;
>> +            else if (::strcasecmp (arg, "default")    == 0 ) flag_bits |= POSIX_LOG_DEFAULT;
>> +            else if (::strcasecmp (arg, "packets")    == 0 ) flag_bits |= POSIX_LOG_PACKETS;
>> +            else if (::strcasecmp (arg, "memory")     == 0 ) flag_bits |= POSIX_LOG_MEMORY;
>> +            else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits |= POSIX_LOG_MEMORY_DATA_SHORT;
>> +            else if (::strcasecmp (arg, "data-long")  == 0 ) flag_bits |= POSIX_LOG_MEMORY_DATA_LONG;
>> +            else if (::strcasecmp (arg, "process")    == 0 ) flag_bits |= POSIX_LOG_PROCESS;
>> +            else if (::strcasecmp (arg, "ptrace")     == 0 ) flag_bits |= POSIX_LOG_PTRACE;
>> +            else if (::strcasecmp (arg, "registers")  == 0 ) flag_bits |= POSIX_LOG_REGISTERS;
>> +            else if (::strcasecmp (arg, "step")       == 0 ) flag_bits |= POSIX_LOG_STEP;
>> +            else if (::strcasecmp (arg, "thread")     == 0 ) flag_bits |= POSIX_LOG_THREAD;
>> +            else if (::strcasecmp (arg, "verbose")    == 0 ) flag_bits |= POSIX_LOG_VERBOSE;
>> +            else if (::strncasecmp (arg, "watch", 5)  == 0 ) flag_bits |= POSIX_LOG_WATCHPOINTS;
>> +            else
>> +            {
>> +                feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
>> +                if (got_unknown_category == false)
>> +                {
>> +                    got_unknown_category = true;
>> +                    ListLogCategories (feedback_strm);
>> +                }
>> +            }
>> +        }
>> +        if (flag_bits == 0)
>> +            flag_bits = POSIX_LOG_DEFAULT;
>> +        log->GetMask().Reset(flag_bits);
>> +        log->GetOptions().Reset(log_options);
>> +    }
>> +    return log;
>> +}
>> +
>> +void
>> +ProcessPOSIXLog::ListLogCategories (Stream *strm)
>> +{
>> +    strm->Printf ("Logging categories for '%s':\n"
>> +                  "  all - turn on all available logging categories\n"
>> +                  "  async - log asynchronous activity\n"
>> +                  "  break - log breakpoints\n"
>> +                  "  communication - log communication activity\n"
>> +                  "  default - enable the default set of logging categories for liblldb\n"
>> +                  "  packets - log gdb remote packets\n"
>> +                  "  memory - log memory reads and writes\n"
>> +                  "  data-short - log memory bytes for memory reads and writes for short transactions only\n"
>> +                  "  data-long - log memory bytes for memory reads and writes for all transactions\n"
>> +                  "  process - log process events and activities\n"
>> +#ifndef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> +                  "  ptrace - log all calls to ptrace\n"
>> +#endif
>> +                  "  registers - log register read/writes\n"
>> +                  "  thread - log thread events and activities\n"
>> +                  "  step - log step related activities\n"
>> +                  "  verbose - enable verbose logging\n"
>> +                  "  watch - log watchpoint related activities\n", ProcessPOSIXLog::m_pluginname);
>> +}
>> +
>> +
>> +void
>> +ProcessPOSIXLog::LogIf (uint32_t mask, const char *format, ...)
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (mask));
>> +    if (log)
>> +    {
>> +        va_list args;
>> +        va_start (args, format);
>> +        log->VAPrintf (format, args);
>> +        va_end (args);
>> +    }
>> +}
>> +
>> +int ProcessPOSIXLog::m_nestinglevel;
>> +const char *ProcessPOSIXLog::m_pluginname = "";
>> Index: source/Plugins/Process/POSIX/ProcessPOSIX.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/ProcessPOSIX.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/ProcessPOSIX.h	(revision 0)
>> @@ -0,0 +1,180 @@
>> +//===-- ProcessPOSIX.h ------------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_ProcessPOSIX_H_
>> +#define liblldb_ProcessPOSIX_H_
>> +
>> +// C Includes
>> +
>> +// C++ Includes
>> +#include <queue>
>> +
>> +// Other libraries and framework includes
>> +#include "lldb/Target/Process.h"
>> +#include "lldb/Target/UnixSignals.h"
>> +#include "ProcessMessage.h"
>> +
>> +class ProcessMonitor;
>> +
>> +class ProcessPOSIX :
>> +    public lldb_private::Process
>> +{
>> +public:
>> +
>> +    //------------------------------------------------------------------
>> +    // Constructors and destructors
>> +    //------------------------------------------------------------------
>> +    ProcessPOSIX(lldb_private::Target& target,
>> +                 lldb_private::Listener &listener);
>> +
>> +    virtual
>> +    ~ProcessPOSIX();
>> +
>> +    //------------------------------------------------------------------
>> +    // Process protocol.
>> +    //------------------------------------------------------------------
>> +    virtual bool
>> +    CanDebug(lldb_private::Target &target, bool plugin_specified_by_name);
>> +
>> +    virtual lldb_private::Error
>> +    WillLaunch(lldb_private::Module *module);
>> +
>> +    virtual lldb_private::Error
>> +    DoAttachToProcessWithID(lldb::pid_t pid);
>> +
>> +    virtual lldb_private::Error
>> +    DoLaunch (lldb_private::Module *exe_module, 
>> +              const lldb_private::ProcessLaunchInfo &launch_info);
>> +
>> +    virtual void
>> +    DidLaunch();
>> +
>> +    virtual lldb_private::Error
>> +    DoResume();
>> +
>> +    virtual lldb_private::Error
>> +    DoHalt(bool &caused_stop);
>> +
>> +    virtual lldb_private::Error
>> +    DoDetach();
>> +
>> +    virtual lldb_private::Error
>> +    DoSignal(int signal);
>> +
>> +    virtual lldb_private::Error
>> +    DoDestroy();
>> +
>> +    virtual void
>> +    RefreshStateAfterStop();
>> +
>> +    virtual bool
>> +    IsAlive();
>> +
>> +    virtual size_t
>> +    DoReadMemory(lldb::addr_t vm_addr,
>> +                 void *buf,
>> +                 size_t size,
>> +                 lldb_private::Error &error);
>> +
>> +    virtual size_t
>> +    DoWriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size,
>> +                  lldb_private::Error &error);
>> +
>> +    virtual lldb::addr_t
>> +    DoAllocateMemory(size_t size, uint32_t permissions,
>> +                     lldb_private::Error &error);
>> +
>> +    virtual lldb_private::Error
>> +    DoDeallocateMemory(lldb::addr_t ptr);
>> +
>> +    virtual size_t
>> +    GetSoftwareBreakpointTrapOpcode(lldb_private::BreakpointSite* bp_site);
>> +
>> +    virtual lldb_private::Error
>> +    EnableBreakpoint(lldb_private::BreakpointSite *bp_site);
>> +
>> +    virtual lldb_private::Error
>> +    DisableBreakpoint(lldb_private::BreakpointSite *bp_site);
>> +
>> +    virtual uint32_t
>> +    UpdateThreadListIfNeeded();
>> +
>> +    virtual uint32_t
>> +    UpdateThreadList(lldb_private::ThreadList &old_thread_list, 
>> +                     lldb_private::ThreadList &new_thread_list) = 0;
>> +
>> +    virtual lldb::ByteOrder
>> +    GetByteOrder() const;
>> +
>> +    virtual lldb::addr_t
>> +    GetImageInfoAddress();
>> +
>> +    virtual size_t
>> +    PutSTDIN(const char *buf, size_t len, lldb_private::Error &error);
>> +
>> +    virtual size_t
>> +    GetSTDOUT(char *buf, size_t len, lldb_private::Error &error);
>> +
>> +    virtual size_t
>> +    GetSTDERR(char *buf, size_t len, lldb_private::Error &error);
>> +
>> +    //--------------------------------------------------------------------------
>> +    // ProcessPOSIX internal API.
>> +
>> +    /// Registers the given message with this process.
>> +    void SendMessage(const ProcessMessage &message);
>> +
>> +    ProcessMonitor &
>> +    GetMonitor() { assert(m_monitor); return *m_monitor; }
>> +
>> +    lldb_private::UnixSignals &
>> +    GetUnixSignals();
>> +
>> +    const char *
>> +    GetFilePath(const lldb_private::ProcessLaunchInfo::FileAction *file_action,
>> +                const char *default_path);
>> +
>> +protected:
>> +    /// Target byte order.
>> +    lldb::ByteOrder m_byte_order;
>> +
>> +    /// Process monitor;
>> +    ProcessMonitor *m_monitor;
>> +
>> +    /// The module we are executing.
>> +    lldb_private::Module *m_module;
>> +
>> +    /// Message queue notifying this instance of inferior process state changes.
>> +    lldb_private::Mutex m_message_mutex;
>> +    std::queue<ProcessMessage> m_message_queue;
>> +
>> +    /// True when the process has entered a state of "limbo".
>> +    ///
>> +    /// This flag qualifies eStateStopped.  It lets us know that when we
>> +    /// continue from this state the process will exit.  Also, when true,
>> +    /// Process::m_exit_status is set.
>> +    bool m_in_limbo;
>> +
>> +    /// Drive any exit events to completion.
>> +    bool m_exit_now;
>> +
>> +    /// OS-specific signal set.
>> +    lldb_private::UnixSignals m_signals;
>> +
>> +    /// Returns true if the process has exited.
>> +    bool HasExited();
>> +
>> +    /// Returns true if the process is stopped.
>> +    bool IsStopped();
>> +
>> +    typedef std::map<lldb::addr_t, lldb::addr_t> MMapMap;
>> +    MMapMap m_addr_to_mmap_size;
>> +};
>> +
>> +#endif  // liblldb_MacOSXProcess_H_
>> Index: source/Plugins/Process/POSIX/RegisterContext_i386.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/RegisterContext_i386.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/RegisterContext_i386.h	(revision 0)
>> @@ -0,0 +1,169 @@
>> +//===-- RegisterContext_i386.h ------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_RegisterContext_i386_h_
>> +#define liblldb_RegisterContext_i386_h_
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +// Project includes
>> +#include "lldb/Core/Log.h"
>> +#include "RegisterContextPOSIX.h"
>> +
>> +class RegisterContext_i386 : public RegisterContextPOSIX
>> +{
>> +public:
>> +    RegisterContext_i386(lldb_private::Thread &thread,
>> +                              uint32_t concreate_frame_idx);
>> +
>> +    ~RegisterContext_i386();
>> +
>> +    void
>> +    Invalidate();
>> +
>> +    void
>> +    InvalidateAllRegisters();
>> +
>> +    size_t
>> +    GetRegisterCount();
>> +
>> +    const lldb_private::RegisterInfo *
>> +    GetRegisterInfoAtIndex(uint32_t reg);
>> +
>> +    size_t
>> +    GetRegisterSetCount();
>> +
>> +    const lldb_private::RegisterSet *
>> +    GetRegisterSet(uint32_t set);
>> +
>> +    static unsigned
>> +    GetRegisterIndexFromOffset(unsigned offset);
>> +
>> +    static const char *
>> +    GetRegisterName(unsigned reg);
>> +
>> +    bool
>> +    ReadRegisterValue(uint32_t reg, lldb_private::Scalar &value);
>> +
>> +    bool
>> +    ReadRegisterBytes(uint32_t reg, lldb_private::DataExtractor &data);
>> +
>> +    virtual bool
>> +    ReadRegister(const lldb_private::RegisterInfo *reg_info,
>> +                 lldb_private::RegisterValue &value);
>> +
>> +    bool
>> +    ReadAllRegisterValues(lldb::DataBufferSP &data_sp);
>> +
>> +    bool
>> +    WriteRegisterValue(uint32_t reg, const lldb_private::Scalar &value);
>> +
>> +    bool
>> +    WriteRegisterBytes(uint32_t reg, lldb_private::DataExtractor &data,
>> +                       uint32_t data_offset = 0);
>> +
>> +    virtual bool
>> +    WriteRegister(const lldb_private::RegisterInfo *reg_info,
>> +                  const lldb_private::RegisterValue &value);
>> +
>> +    bool
>> +    WriteAllRegisterValues(const lldb::DataBufferSP &data_sp);
>> +
>> +    uint32_t
>> +    ConvertRegisterKindToRegisterNumber(uint32_t kind, uint32_t num);
>> +
>> +    bool
>> +    HardwareSingleStep(bool enable);
>> +
>> +    bool
>> +    UpdateAfterBreakpoint();
>> +
>> +    struct GPR
>> +    {
>> +        uint32_t ebx;
>> +        uint32_t ecx;
>> +        uint32_t edx;
>> +        uint32_t esi;
>> +        uint32_t edi;
>> +        uint32_t ebp;
>> +        uint32_t eax;
>> +        uint32_t ds;
>> +        uint32_t es;
>> +        uint32_t fs;
>> +        uint32_t gs;
>> +        uint32_t orig_ax;
>> +        uint32_t eip;
>> +        uint32_t cs;
>> +        uint32_t eflags;
>> +        uint32_t esp;
>> +        uint32_t ss;
>> +    };
>> +
>> +    struct MMSReg
>> +    {
>> +        uint8_t bytes[8];
>> +    };
>> +
>> +    struct XMMReg
>> +    {
>> +        uint8_t bytes[16];
>> +    };
>> +
>> +    struct FPU
>> +    {
>> +        uint16_t    fcw;
>> +        uint16_t    fsw;
>> +        uint16_t    ftw;
>> +        uint16_t    fop;
>> +        uint32_t    ip;
>> +        uint32_t    cs;
>> +        uint32_t    foo;
>> +        uint32_t    fos;
>> +        uint32_t    mxcsr;
>> +        uint32_t    reserved;
>> +        MMSReg      stmm[8];
>> +        XMMReg      xmm[8];
>> +        uint32_t    pad[56];
>> +    };
>> +
>> +    // A user area like this no longer exists on FreeBSD
>> +    // making this a Linux artifact. Nonetheless, it is safe
>> +    // leaving it here while the code is being cleaned up and generalized.
>> +
>> +    struct UserArea
>> +    {
>> +        GPR      regs;          // General purpose registers.
>> +        int32_t  fpvalid;       // True if FPU is being used.
>> +        FPU      i387;          // FPU registers.
>> +        uint32_t tsize;         // Text segment size.
>> +        uint32_t dsize;         // Data segment size.
>> +        uint32_t ssize;         // Stack segment size.
>> +        uint32_t start_code;    // VM address of text.
>> +        uint32_t start_stack;   // VM address of stack bottom (top in rsp).
>> +        int32_t  signal;        // Signal causing core dump.
>> +        int32_t  reserved;      // Unused.
>> +        uint32_t ar0;           // Location of GPR's.
>> +        FPU*     fpstate;       // Location of FPR's.
>> +        uint32_t magic;         // Identifier for core dumps.
>> +        char     u_comm[32];    // Command causing core dump.
>> +        uint32_t u_debugreg[8]; // Debug registers (DR0 - DR7).
>> +    };
>> +private:
>> +    UserArea user;
>> +
>> +    ProcessMonitor &GetMonitor();
>> +
>> +    void LogGPR(const char *title);
>> +
>> +    bool ReadGPR();
>> +    bool ReadFPR();
>> +};
>> +
>> +#endif // #ifndef liblldb_RegisterContext_i386_h_
>> Index: source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp	(revision 0)
>> @@ -0,0 +1,757 @@
>> +//===-- RegisterContext_x86_64.cpp -------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#include <cstring>
>> +#include <errno.h>
>> +#include <stdint.h>
>> +
>> +#include "lldb/Core/DataBufferHeap.h"
>> +#include "lldb/Core/DataExtractor.h"
>> +#include "lldb/Core/Scalar.h"
>> +#include "lldb/Target/Thread.h"
>> +#include "lldb/Host/Endian.h"
>> +
>> +#include "ProcessPOSIX.h"
>> +#include "ProcessMonitor.h"
>> +#include "RegisterContext_x86_64.h"
>> +
>> +using namespace lldb_private;
>> +using namespace lldb;
>> +
>> +// Internal codes for all x86_64 registers.
>> +enum
>> +{
>> +    k_first_gpr,
>> +    gpr_rax = k_first_gpr,
>> +    gpr_rbx,
>> +    gpr_rcx,
>> +    gpr_rdx,
>> +    gpr_rdi,
>> +    gpr_rsi,
>> +    gpr_rbp,
>> +    gpr_rsp,
>> +    gpr_r8,
>> +    gpr_r9,
>> +    gpr_r10,
>> +    gpr_r11,
>> +    gpr_r12,
>> +    gpr_r13,
>> +    gpr_r14,
>> +    gpr_r15,
>> +    gpr_rip,
>> +    gpr_rflags,
>> +    gpr_cs,
>> +    gpr_fs,
>> +    gpr_gs,
>> +    gpr_ss,
>> +    gpr_ds,
>> +    gpr_es,
>> +    k_last_gpr = gpr_es,
>> +
>> +    k_first_fpr,
>> +    fpu_fcw = k_first_fpr,
>> +    fpu_fsw,
>> +    fpu_ftw,
>> +    fpu_fop,
>> +    fpu_ip,
>> +    fpu_cs,
>> +    fpu_dp,
>> +    fpu_ds,
>> +    fpu_mxcsr,
>> +    fpu_mxcsrmask,
>> +    fpu_stmm0,
>> +    fpu_stmm1,
>> +    fpu_stmm2,
>> +    fpu_stmm3,
>> +    fpu_stmm4,
>> +    fpu_stmm5,
>> +    fpu_stmm6,
>> +    fpu_stmm7,
>> +    fpu_xmm0,
>> +    fpu_xmm1,
>> +    fpu_xmm2,
>> +    fpu_xmm3,
>> +    fpu_xmm4,
>> +    fpu_xmm5,
>> +    fpu_xmm6,
>> +    fpu_xmm7,
>> +    fpu_xmm8,
>> +    fpu_xmm9,
>> +    fpu_xmm10,
>> +    fpu_xmm11,
>> +    fpu_xmm12,
>> +    fpu_xmm13,
>> +    fpu_xmm14,
>> +    fpu_xmm15,
>> +    k_last_fpr = fpu_xmm15,
>> +
>> +    k_num_registers,
>> +    k_num_gpr_registers = k_last_gpr - k_first_gpr + 1,
>> +    k_num_fpu_registers = k_last_fpr - k_first_fpr + 1
>> +};
>> +
>> +// Number of register sets provided by this context.
>> +enum
>> +{
>> +    k_num_register_sets = 2
>> +};
>> +
>> +enum gcc_dwarf_regnums
>> +{
>> +    gcc_dwarf_gpr_rax = 0,
>> +    gcc_dwarf_gpr_rdx,
>> +    gcc_dwarf_gpr_rcx,
>> +    gcc_dwarf_gpr_rbx,
>> +    gcc_dwarf_gpr_rsi,
>> +    gcc_dwarf_gpr_rdi,
>> +    gcc_dwarf_gpr_rbp,
>> +    gcc_dwarf_gpr_rsp,
>> +    gcc_dwarf_gpr_r8,
>> +    gcc_dwarf_gpr_r9,
>> +    gcc_dwarf_gpr_r10,
>> +    gcc_dwarf_gpr_r11,
>> +    gcc_dwarf_gpr_r12,
>> +    gcc_dwarf_gpr_r13,
>> +    gcc_dwarf_gpr_r14,
>> +    gcc_dwarf_gpr_r15,
>> +    gcc_dwarf_gpr_rip,
>> +    gcc_dwarf_fpu_xmm0,
>> +    gcc_dwarf_fpu_xmm1,
>> +    gcc_dwarf_fpu_xmm2,
>> +    gcc_dwarf_fpu_xmm3,
>> +    gcc_dwarf_fpu_xmm4,
>> +    gcc_dwarf_fpu_xmm5,
>> +    gcc_dwarf_fpu_xmm6,
>> +    gcc_dwarf_fpu_xmm7,
>> +    gcc_dwarf_fpu_xmm8,
>> +    gcc_dwarf_fpu_xmm9,
>> +    gcc_dwarf_fpu_xmm10,
>> +    gcc_dwarf_fpu_xmm11,
>> +    gcc_dwarf_fpu_xmm12,
>> +    gcc_dwarf_fpu_xmm13,
>> +    gcc_dwarf_fpu_xmm14,
>> +    gcc_dwarf_fpu_xmm15,
>> +    gcc_dwarf_fpu_stmm0,
>> +    gcc_dwarf_fpu_stmm1,
>> +    gcc_dwarf_fpu_stmm2,
>> +    gcc_dwarf_fpu_stmm3,
>> +    gcc_dwarf_fpu_stmm4,
>> +    gcc_dwarf_fpu_stmm5,
>> +    gcc_dwarf_fpu_stmm6,
>> +    gcc_dwarf_fpu_stmm7
>> +};
>> +
>> +enum gdb_regnums
>> +{
>> +    gdb_gpr_rax     =   0,
>> +    gdb_gpr_rbx     =   1,
>> +    gdb_gpr_rcx     =   2,
>> +    gdb_gpr_rdx     =   3,
>> +    gdb_gpr_rsi     =   4,
>> +    gdb_gpr_rdi     =   5,
>> +    gdb_gpr_rbp     =   6,
>> +    gdb_gpr_rsp     =   7,
>> +    gdb_gpr_r8      =   8,
>> +    gdb_gpr_r9      =   9,
>> +    gdb_gpr_r10     =  10,
>> +    gdb_gpr_r11     =  11,
>> +    gdb_gpr_r12     =  12,
>> +    gdb_gpr_r13     =  13,
>> +    gdb_gpr_r14     =  14,
>> +    gdb_gpr_r15     =  15,
>> +    gdb_gpr_rip     =  16,
>> +    gdb_gpr_rflags  =  17,
>> +    gdb_gpr_cs      =  18,
>> +    gdb_gpr_ss      =  19,
>> +    gdb_gpr_ds      =  20,
>> +    gdb_gpr_es      =  21,
>> +    gdb_gpr_fs      =  22,
>> +    gdb_gpr_gs      =  23,
>> +    gdb_fpu_stmm0   =  24,
>> +    gdb_fpu_stmm1   =  25,
>> +    gdb_fpu_stmm2   =  26,
>> +    gdb_fpu_stmm3   =  27,
>> +    gdb_fpu_stmm4   =  28,
>> +    gdb_fpu_stmm5   =  29,
>> +    gdb_fpu_stmm6   =  30,
>> +    gdb_fpu_stmm7   =  31,
>> +    gdb_fpu_fcw     =  32,
>> +    gdb_fpu_fsw     =  33,
>> +    gdb_fpu_ftw     =  34,
>> +    gdb_fpu_cs      =  35,
>> +    gdb_fpu_ip      =  36,
>> +    gdb_fpu_ds      =  37,
>> +    gdb_fpu_dp      =  38,
>> +    gdb_fpu_fop     =  39,
>> +    gdb_fpu_xmm0    =  40,
>> +    gdb_fpu_xmm1    =  41,
>> +    gdb_fpu_xmm2    =  42,
>> +    gdb_fpu_xmm3    =  43,
>> +    gdb_fpu_xmm4    =  44,
>> +    gdb_fpu_xmm5    =  45,
>> +    gdb_fpu_xmm6    =  46,
>> +    gdb_fpu_xmm7    =  47,
>> +    gdb_fpu_xmm8    =  48,
>> +    gdb_fpu_xmm9    =  49,
>> +    gdb_fpu_xmm10   =  50,
>> +    gdb_fpu_xmm11   =  51,
>> +    gdb_fpu_xmm12   =  52,
>> +    gdb_fpu_xmm13   =  53,
>> +    gdb_fpu_xmm14   =  54,
>> +    gdb_fpu_xmm15   =  55,
>> +    gdb_fpu_mxcsr   =  56
>> +};
>> +
>> +static const
>> +uint32_t g_gpr_regnums[k_num_gpr_registers] =
>> +{
>> +    gpr_rax,
>> +    gpr_rbx,
>> +    gpr_rcx,
>> +    gpr_rdx,
>> +    gpr_rdi,
>> +    gpr_rsi,
>> +    gpr_rbp,
>> +    gpr_rsp,
>> +    gpr_r8,
>> +    gpr_r9,
>> +    gpr_r10,
>> +    gpr_r11,
>> +    gpr_r12,
>> +    gpr_r13,
>> +    gpr_r14,
>> +    gpr_r15,
>> +    gpr_rip,
>> +    gpr_rflags,
>> +    gpr_cs,
>> +    gpr_fs,
>> +    gpr_gs,
>> +    gpr_ss,
>> +    gpr_ds,
>> +    gpr_es
>> +};
>> +
>> +static const uint32_t
>> +g_fpu_regnums[k_num_fpu_registers] =
>> +{
>> +    fpu_fcw,
>> +    fpu_fsw,
>> +    fpu_ftw,
>> +    fpu_fop,
>> +    fpu_ip,
>> +    fpu_cs,
>> +    fpu_dp,
>> +    fpu_ds,
>> +    fpu_mxcsr,
>> +    fpu_mxcsrmask,
>> +    fpu_stmm0,
>> +    fpu_stmm1,
>> +    fpu_stmm2,
>> +    fpu_stmm3,
>> +    fpu_stmm4,
>> +    fpu_stmm5,
>> +    fpu_stmm6,
>> +    fpu_stmm7,
>> +    fpu_xmm0,
>> +    fpu_xmm1,
>> +    fpu_xmm2,
>> +    fpu_xmm3,
>> +    fpu_xmm4,
>> +    fpu_xmm5,
>> +    fpu_xmm6,
>> +    fpu_xmm7,
>> +    fpu_xmm8,
>> +    fpu_xmm9,
>> +    fpu_xmm10,
>> +    fpu_xmm11,
>> +    fpu_xmm12,
>> +    fpu_xmm13,
>> +    fpu_xmm14,
>> +    fpu_xmm15
>> +};
>> +
>> +static const RegisterSet
>> +g_reg_sets[k_num_register_sets] =
>> +{
>> +    { "General Purpose Registers", "gpr", k_num_gpr_registers, g_gpr_regnums },
>> +    { "Floating Point Registers",  "fpu", k_num_fpu_registers, g_fpu_regnums }
>> +};
>> +
>> +// Computes the offset of the given GPR in the user data area.
>> +#define GPR_OFFSET(regname) \
>> +    (offsetof(RegisterContext_x86_64::UserArea, regs) + \
>> +     offsetof(GPR, regname))
>> +
>> +// Computes the offset of the given FPR in the user data area.
>> +#define FPR_OFFSET(regname) \
>> +    (offsetof(RegisterContext_x86_64::UserArea, i387) + \
>> +     offsetof(RegisterContext_x86_64::FPU, regname))
>> +
>> +// Number of bytes needed to represent a GPR.
>> +#define GPR_SIZE(reg) sizeof(((GPR*)NULL)->reg)
>> +
>> +// Number of bytes needed to represent a FPR.
>> +#define FPR_SIZE(reg) sizeof(((RegisterContext_x86_64::FPU*)NULL)->reg)
>> +
>> +// Number of bytes needed to represent the i'th FP register.
>> +#define FP_SIZE sizeof(((RegisterContext_x86_64::MMSReg*)NULL)->bytes)
>> +
>> +// Number of bytes needed to represent an XMM register.
>> +#define XMM_SIZE sizeof(RegisterContext_x86_64::XMMReg)
>> +
>> +#define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4)        \
>> +    { #reg, alt, GPR_SIZE(reg), GPR_OFFSET(reg), eEncodingUint, \
>> +      eFormatHex, { kind1, kind2, kind3, kind4, gpr_##reg } }
>> +
>> +#define DEFINE_FPR(reg, kind1, kind2, kind3, kind4)              \
>> +    { #reg, NULL, FPR_SIZE(reg), FPR_OFFSET(reg), eEncodingUint, \
>> +      eFormatHex, { kind1, kind2, kind3, kind4, fpu_##reg } }
>> +
>> +#define DEFINE_FP(reg, i)                                          \
>> +    { #reg#i, NULL, FP_SIZE, FPR_OFFSET(reg[i]), eEncodingVector,  \
>> +      eFormatVectorOfUInt8,                                        \
>> +      { gcc_dwarf_fpu_##reg##i, gcc_dwarf_fpu_##reg##i,            \
>> +        LLDB_INVALID_REGNUM, gdb_fpu_##reg##i, fpu_##reg##i } }
>> +
>> +#define DEFINE_XMM(reg, i)                                         \
>> +    { #reg#i, NULL, XMM_SIZE, FPR_OFFSET(reg[i]), eEncodingVector, \
>> +      eFormatVectorOfUInt8,                                        \
>> +      { gcc_dwarf_fpu_##reg##i, gcc_dwarf_fpu_##reg##i,            \
>> +        LLDB_INVALID_REGNUM, gdb_fpu_##reg##i, fpu_##reg##i } }
>> +
>> +#define REG_CONTEXT_SIZE (sizeof(GPR) + sizeof(RegisterContext_x86_64::FPU))
>> +
>> +static RegisterInfo
>> +g_register_infos[k_num_registers] =
>> +{
>> +    // General purpose registers.
>> +    DEFINE_GPR(rax,    NULL,    gcc_dwarf_gpr_rax,   gcc_dwarf_gpr_rax,   LLDB_INVALID_REGNUM,       gdb_gpr_rax),
>> +    DEFINE_GPR(rbx,    NULL,    gcc_dwarf_gpr_rbx,   gcc_dwarf_gpr_rbx,   LLDB_INVALID_REGNUM,       gdb_gpr_rbx),
>> +    DEFINE_GPR(rcx,    NULL,    gcc_dwarf_gpr_rcx,   gcc_dwarf_gpr_rcx,   LLDB_INVALID_REGNUM,       gdb_gpr_rcx),
>> +    DEFINE_GPR(rdx,    NULL,    gcc_dwarf_gpr_rdx,   gcc_dwarf_gpr_rdx,   LLDB_INVALID_REGNUM,       gdb_gpr_rdx),
>> +    DEFINE_GPR(rdi,    NULL,    gcc_dwarf_gpr_rdi,   gcc_dwarf_gpr_rdi,   LLDB_INVALID_REGNUM,       gdb_gpr_rdi),
>> +    DEFINE_GPR(rsi,    NULL,    gcc_dwarf_gpr_rsi,   gcc_dwarf_gpr_rsi,   LLDB_INVALID_REGNUM,       gdb_gpr_rsi),
>> +    DEFINE_GPR(rbp,    "fp",    gcc_dwarf_gpr_rbp,   gcc_dwarf_gpr_rbp,   LLDB_REGNUM_GENERIC_FP,    gdb_gpr_rbp),
>> +    DEFINE_GPR(rsp,    "sp",    gcc_dwarf_gpr_rsp,   gcc_dwarf_gpr_rsp,   LLDB_REGNUM_GENERIC_SP,    gdb_gpr_rsp),
>> +    DEFINE_GPR(r8,     NULL,    gcc_dwarf_gpr_r8,    gcc_dwarf_gpr_r8,    LLDB_INVALID_REGNUM,       gdb_gpr_r8),
>> +    DEFINE_GPR(r9,     NULL,    gcc_dwarf_gpr_r9,    gcc_dwarf_gpr_r9,    LLDB_INVALID_REGNUM,       gdb_gpr_r9),
>> +    DEFINE_GPR(r10,    NULL,    gcc_dwarf_gpr_r10,   gcc_dwarf_gpr_r10,   LLDB_INVALID_REGNUM,       gdb_gpr_r10),
>> +    DEFINE_GPR(r11,    NULL,    gcc_dwarf_gpr_r11,   gcc_dwarf_gpr_r11,   LLDB_INVALID_REGNUM,       gdb_gpr_r11),
>> +    DEFINE_GPR(r12,    NULL,    gcc_dwarf_gpr_r12,   gcc_dwarf_gpr_r12,   LLDB_INVALID_REGNUM,       gdb_gpr_r12),
>> +    DEFINE_GPR(r13,    NULL,    gcc_dwarf_gpr_r13,   gcc_dwarf_gpr_r13,   LLDB_INVALID_REGNUM,       gdb_gpr_r13),
>> +    DEFINE_GPR(r14,    NULL,    gcc_dwarf_gpr_r14,   gcc_dwarf_gpr_r14,   LLDB_INVALID_REGNUM,       gdb_gpr_r14),
>> +    DEFINE_GPR(r15,    NULL,    gcc_dwarf_gpr_r15,   gcc_dwarf_gpr_r15,   LLDB_INVALID_REGNUM,       gdb_gpr_r15),
>> +    DEFINE_GPR(rip,    "pc",    gcc_dwarf_gpr_rip,   gcc_dwarf_gpr_rip,   LLDB_REGNUM_GENERIC_PC,    gdb_gpr_rip),
>> +    DEFINE_GPR(rflags, "flags", LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_FLAGS, gdb_gpr_rflags),
>> +    DEFINE_GPR(cs,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_cs),
>> +    DEFINE_GPR(fs,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_fs),
>> +    DEFINE_GPR(gs,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_gs),
>> +    DEFINE_GPR(ss,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_ss),
>> +    DEFINE_GPR(ds,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_ds),
>> +    DEFINE_GPR(es,     NULL,    LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,       gdb_gpr_es),
>> +
>> +    // i387 Floating point registers.
>> +    DEFINE_FPR(fcw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_fcw),
>> +    DEFINE_FPR(fsw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_fsw),
>> +    DEFINE_FPR(ftw,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ftw),
>> +    DEFINE_FPR(fop,       LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_fop),
>> +    DEFINE_FPR(ip,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ip),
>> +    // FIXME: Extract segment from ip.
>> +    DEFINE_FPR(ip,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_cs),
>> +    DEFINE_FPR(dp,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_dp),
>> +    // FIXME: Extract segment from dp.
>> +    DEFINE_FPR(dp,        LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_ds),
>> +    DEFINE_FPR(mxcsr,     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fpu_mxcsr),
>> +    DEFINE_FPR(mxcsrmask, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
>> +
>> +    // FP registers.
>> +    DEFINE_FP(stmm, 0),
>> +    DEFINE_FP(stmm, 1),
>> +    DEFINE_FP(stmm, 2),
>> +    DEFINE_FP(stmm, 3),
>> +    DEFINE_FP(stmm, 4),
>> +    DEFINE_FP(stmm, 5),
>> +    DEFINE_FP(stmm, 6),
>> +    DEFINE_FP(stmm, 7),
>> +
>> +    // XMM registers
>> +    DEFINE_XMM(xmm, 0),
>> +    DEFINE_XMM(xmm, 1),
>> +    DEFINE_XMM(xmm, 2),
>> +    DEFINE_XMM(xmm, 3),
>> +    DEFINE_XMM(xmm, 4),
>> +    DEFINE_XMM(xmm, 5),
>> +    DEFINE_XMM(xmm, 6),
>> +    DEFINE_XMM(xmm, 7),
>> +    DEFINE_XMM(xmm, 8),
>> +    DEFINE_XMM(xmm, 9),
>> +    DEFINE_XMM(xmm, 10),
>> +    DEFINE_XMM(xmm, 11),
>> +    DEFINE_XMM(xmm, 12),
>> +    DEFINE_XMM(xmm, 13),
>> +    DEFINE_XMM(xmm, 14),
>> +    DEFINE_XMM(xmm, 15)
>> +};
>> +
>> +static unsigned GetRegOffset(unsigned reg)
>> +{
>> +    assert(reg < k_num_registers && "Invalid register number.");
>> +    return g_register_infos[reg].byte_offset;
>> +}
>> +
>> +static unsigned GetRegSize(unsigned reg)
>> +{
>> +    assert(reg < k_num_registers && "Invalid register number.");
>> +    return g_register_infos[reg].byte_size;
>> +}
>> +
>> +static bool IsGPR(unsigned reg)
>> +{
>> +    return reg <= k_last_gpr;   // GPR's come first.
>> +}
>> +
>> +static bool IsFPR(unsigned reg)
>> +{
>> +    return (k_first_fpr <= reg && reg <= k_last_fpr);
>> +}
>> +
>> +RegisterContext_x86_64::RegisterContext_x86_64(Thread &thread,
>> +                                                         uint32_t concrete_frame_idx)
>> +    : RegisterContextPOSIX(thread, concrete_frame_idx)
>> +{
>> +}
>> +
>> +RegisterContext_x86_64::~RegisterContext_x86_64()
>> +{
>> +}
>> +
>> +ProcessMonitor &
>> +RegisterContext_x86_64::GetMonitor()
>> +{
>> +    ProcessPOSIX *process = static_cast<ProcessPOSIX*>(CalculateProcess());
>> +    return process->GetMonitor();
>> +}
>> +
>> +void
>> +RegisterContext_x86_64::Invalidate()
>> +{
>> +}
>> +
>> +void
>> +RegisterContext_x86_64::InvalidateAllRegisters()
>> +{
>> +}
>> +
>> +size_t
>> +RegisterContext_x86_64::GetRegisterCount()
>> +{
>> +    return k_num_registers;
>> +}
>> +
>> +const RegisterInfo *
>> +RegisterContext_x86_64::GetRegisterInfoAtIndex(uint32_t reg)
>> +{
>> +    if (reg < k_num_registers)
>> +        return &g_register_infos[reg];
>> +    else
>> +        return NULL;
>> +}
>> +
>> +size_t
>> +RegisterContext_x86_64::GetRegisterSetCount()
>> +{
>> +    return k_num_register_sets;
>> +}
>> +
>> +const RegisterSet *
>> +RegisterContext_x86_64::GetRegisterSet(uint32_t set)
>> +{
>> +    if (set < k_num_register_sets)
>> +        return &g_reg_sets[set];
>> +    else
>> +        return NULL;
>> +}
>> +
>> +unsigned
>> +RegisterContext_x86_64::GetRegisterIndexFromOffset(unsigned offset)
>> +{
>> +    unsigned reg;
>> +    for (reg = 0; reg < k_num_registers; reg++)
>> +    {
>> +        if (g_register_infos[reg].byte_offset == offset)
>> +            break;
>> +    }
>> +    assert(reg < k_num_registers && "Invalid register offset.");
>> +    return reg;
>> +}
>> +
>> +const char *
>> +RegisterContext_x86_64::GetRegisterName(unsigned reg)
>> +{
>> +    assert(reg < k_num_registers && "Invalid register offset.");
>> +    return g_register_infos[reg].name;
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::ReadRegister(const RegisterInfo *reg_info,
>> +                                          RegisterValue &value)
>> +{
>> +    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.ReadRegisterValue(GetRegOffset(reg), GetRegSize(reg), value);
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::ReadAllRegisterValues(DataBufferSP &data_sp)
>> +{
>> +    data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0));
>> +    if (data_sp && ReadGPR () && ReadFPR ())
>> +    {
>> +        uint8_t *dst = data_sp->GetBytes();
>> +        ::memcpy (dst, &user.regs, sizeof(user.regs));
>> +        dst += sizeof(user.regs);
>> +
>> +        ::memcpy (dst, &user.i387, sizeof(user.i387));
>> +        return true;
>> +    }
>> +    return false;
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::WriteRegister(const lldb_private::RegisterInfo *reg_info,
>> +                                           const lldb_private::RegisterValue &value)
>> +{
>> +    const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.WriteRegisterValue(GetRegOffset(reg), value);
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::WriteAllRegisterValues(const DataBufferSP &data_sp)
>> +{
>> +    if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE)
>> +    {
>> +        const uint8_t *src = data_sp->GetBytes();
>> +        ::memcpy (&user.regs, src, sizeof(user.regs));
>> +        src += sizeof(user.regs);
>> +
>> +        ::memcpy (&user.i387, src, sizeof(user.i387));
>> +        return WriteGPR() & WriteFPR();
>> +    }
>> +    return false;
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::UpdateAfterBreakpoint()
>> +{
>> +    // PC points one byte past the int3 responsible for the breakpoint.
>> +    lldb::addr_t pc;
>> +
>> +    if ((pc = GetPC()) == LLDB_INVALID_ADDRESS)
>> +        return false;
>> +
>> +    SetPC(pc - 1);
>> +    return true;
>> +}
>> +
>> +uint32_t
>> +RegisterContext_x86_64::ConvertRegisterKindToRegisterNumber(uint32_t kind,
>> +                                                                 uint32_t num)
>> +{
>> +    if (kind == eRegisterKindGeneric)
>> +    {
>> +        switch (num)
>> +        {
>> +        case LLDB_REGNUM_GENERIC_PC:    return gpr_rip;
>> +        case LLDB_REGNUM_GENERIC_SP:    return gpr_rsp;
>> +        case LLDB_REGNUM_GENERIC_FP:    return gpr_rbp;
>> +        case LLDB_REGNUM_GENERIC_FLAGS: return gpr_rflags;
>> +        case LLDB_REGNUM_GENERIC_RA:
>> +        default:
>> +            return LLDB_INVALID_REGNUM;
>> +        }
>> +    }
>> +
>> +    if (kind == eRegisterKindGCC || kind == eRegisterKindDWARF)
>> +    {
>> +        switch (num)
>> +        {
>> +        case gcc_dwarf_gpr_rax:  return gpr_rax;
>> +        case gcc_dwarf_gpr_rdx:  return gpr_rdx;
>> +        case gcc_dwarf_gpr_rcx:  return gpr_rcx;
>> +        case gcc_dwarf_gpr_rbx:  return gpr_rbx;
>> +        case gcc_dwarf_gpr_rsi:  return gpr_rsi;
>> +        case gcc_dwarf_gpr_rdi:  return gpr_rdi;
>> +        case gcc_dwarf_gpr_rbp:  return gpr_rbp;
>> +        case gcc_dwarf_gpr_rsp:  return gpr_rsp;
>> +        case gcc_dwarf_gpr_r8:   return gpr_r8;
>> +        case gcc_dwarf_gpr_r9:   return gpr_r9;
>> +        case gcc_dwarf_gpr_r10:  return gpr_r10;
>> +        case gcc_dwarf_gpr_r11:  return gpr_r11;
>> +        case gcc_dwarf_gpr_r12:  return gpr_r12;
>> +        case gcc_dwarf_gpr_r13:  return gpr_r13;
>> +        case gcc_dwarf_gpr_r14:  return gpr_r14;
>> +        case gcc_dwarf_gpr_r15:  return gpr_r15;
>> +        case gcc_dwarf_gpr_rip:  return gpr_rip;
>> +        case gcc_dwarf_fpu_xmm0: return fpu_xmm0;
>> +        case gcc_dwarf_fpu_xmm1: return fpu_xmm1;
>> +        case gcc_dwarf_fpu_xmm2: return fpu_xmm2;
>> +        case gcc_dwarf_fpu_xmm3: return fpu_xmm3;
>> +        case gcc_dwarf_fpu_xmm4: return fpu_xmm4;
>> +        case gcc_dwarf_fpu_xmm5: return fpu_xmm5;
>> +        case gcc_dwarf_fpu_xmm6: return fpu_xmm6;
>> +        case gcc_dwarf_fpu_xmm7: return fpu_xmm7;
>> +        case gcc_dwarf_fpu_xmm8: return fpu_xmm8;
>> +        case gcc_dwarf_fpu_xmm9: return fpu_xmm9;
>> +        case gcc_dwarf_fpu_xmm10: return fpu_xmm10;
>> +        case gcc_dwarf_fpu_xmm11: return fpu_xmm11;
>> +        case gcc_dwarf_fpu_xmm12: return fpu_xmm12;
>> +        case gcc_dwarf_fpu_xmm13: return fpu_xmm13;
>> +        case gcc_dwarf_fpu_xmm14: return fpu_xmm14;
>> +        case gcc_dwarf_fpu_xmm15: return fpu_xmm15;
>> +        case gcc_dwarf_fpu_stmm0: return fpu_stmm0;
>> +        case gcc_dwarf_fpu_stmm1: return fpu_stmm1;
>> +        case gcc_dwarf_fpu_stmm2: return fpu_stmm2;
>> +        case gcc_dwarf_fpu_stmm3: return fpu_stmm3;
>> +        case gcc_dwarf_fpu_stmm4: return fpu_stmm4;
>> +        case gcc_dwarf_fpu_stmm5: return fpu_stmm5;
>> +        case gcc_dwarf_fpu_stmm6: return fpu_stmm6;
>> +        case gcc_dwarf_fpu_stmm7: return fpu_stmm7;
>> +        default:
>> +            return LLDB_INVALID_REGNUM;
>> +        }
>> +    }
>> +
>> +    if (kind == eRegisterKindGDB)
>> +    {
>> +        switch (num)
>> +        {
>> +        case gdb_gpr_rax     : return gpr_rax;
>> +        case gdb_gpr_rbx     : return gpr_rbx;
>> +        case gdb_gpr_rcx     : return gpr_rcx;
>> +        case gdb_gpr_rdx     : return gpr_rdx;
>> +        case gdb_gpr_rsi     : return gpr_rsi;
>> +        case gdb_gpr_rdi     : return gpr_rdi;
>> +        case gdb_gpr_rbp     : return gpr_rbp;
>> +        case gdb_gpr_rsp     : return gpr_rsp;
>> +        case gdb_gpr_r8      : return gpr_r8;
>> +        case gdb_gpr_r9      : return gpr_r9;
>> +        case gdb_gpr_r10     : return gpr_r10;
>> +        case gdb_gpr_r11     : return gpr_r11;
>> +        case gdb_gpr_r12     : return gpr_r12;
>> +        case gdb_gpr_r13     : return gpr_r13;
>> +        case gdb_gpr_r14     : return gpr_r14;
>> +        case gdb_gpr_r15     : return gpr_r15;
>> +        case gdb_gpr_rip     : return gpr_rip;
>> +        case gdb_gpr_rflags  : return gpr_rflags;
>> +        case gdb_gpr_cs      : return gpr_cs;
>> +        case gdb_gpr_ss      : return gpr_ss;
>> +        case gdb_gpr_ds      : return gpr_ds;
>> +        case gdb_gpr_es      : return gpr_es;
>> +        case gdb_gpr_fs      : return gpr_fs;
>> +        case gdb_gpr_gs      : return gpr_gs;
>> +        case gdb_fpu_stmm0   : return fpu_stmm0;
>> +        case gdb_fpu_stmm1   : return fpu_stmm1;
>> +        case gdb_fpu_stmm2   : return fpu_stmm2;
>> +        case gdb_fpu_stmm3   : return fpu_stmm3;
>> +        case gdb_fpu_stmm4   : return fpu_stmm4;
>> +        case gdb_fpu_stmm5   : return fpu_stmm5;
>> +        case gdb_fpu_stmm6   : return fpu_stmm6;
>> +        case gdb_fpu_stmm7   : return fpu_stmm7;
>> +        case gdb_fpu_fcw     : return fpu_fcw;
>> +        case gdb_fpu_fsw     : return fpu_fsw;
>> +        case gdb_fpu_ftw     : return fpu_ftw;
>> +        case gdb_fpu_cs      : return fpu_cs;
>> +        case gdb_fpu_ip      : return fpu_ip;
>> +        case gdb_fpu_ds      : return fpu_ds;
>> +        case gdb_fpu_dp      : return fpu_dp;
>> +        case gdb_fpu_fop     : return fpu_fop;
>> +        case gdb_fpu_xmm0    : return fpu_xmm0;
>> +        case gdb_fpu_xmm1    : return fpu_xmm1;
>> +        case gdb_fpu_xmm2    : return fpu_xmm2;
>> +        case gdb_fpu_xmm3    : return fpu_xmm3;
>> +        case gdb_fpu_xmm4    : return fpu_xmm4;
>> +        case gdb_fpu_xmm5    : return fpu_xmm5;
>> +        case gdb_fpu_xmm6    : return fpu_xmm6;
>> +        case gdb_fpu_xmm7    : return fpu_xmm7;
>> +        case gdb_fpu_xmm8    : return fpu_xmm8;
>> +        case gdb_fpu_xmm9    : return fpu_xmm9;
>> +        case gdb_fpu_xmm10   : return fpu_xmm10;
>> +        case gdb_fpu_xmm11   : return fpu_xmm11;
>> +        case gdb_fpu_xmm12   : return fpu_xmm12;
>> +        case gdb_fpu_xmm13   : return fpu_xmm13;
>> +        case gdb_fpu_xmm14   : return fpu_xmm14;
>> +        case gdb_fpu_xmm15   : return fpu_xmm15;
>> +        case gdb_fpu_mxcsr   : return fpu_mxcsr;
>> +        default:
>> +            return LLDB_INVALID_REGNUM;
>> +        }
>> +    }
>> +    else if (kind == eRegisterKindLLDB)
>> +    {
>> +        return num;
>> +    }
>> +
>> +    return LLDB_INVALID_REGNUM;
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::HardwareSingleStep(bool enable)
>> +{
>> +    enum { TRACE_BIT = 0x100 };
>> +    uint64_t rflags;
>> +
>> +    if ((rflags = ReadRegisterAsUnsigned(gpr_rflags, -1UL)) == -1UL)
>> +        return false;
>> +    
>> +    if (enable)
>> +    {
>> +        if (rflags & TRACE_BIT)
>> +            return true;
>> +
>> +        rflags |= TRACE_BIT;
>> +    }
>> +    else
>> +    {
>> +        if (!(rflags & TRACE_BIT))
>> +            return false;
>> +
>> +        rflags &= ~TRACE_BIT;
>> +    }
>> +
>> +    return WriteRegisterFromUnsigned(gpr_rflags, rflags);
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::ReadGPR()
>> +{
>> +     ProcessMonitor &monitor = GetMonitor();
>> +     return monitor.ReadGPR(&user.regs);
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::ReadFPR()
>> +{
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.ReadFPR(&user.i387);
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::WriteGPR()
>> +{
>> +     ProcessMonitor &monitor = GetMonitor();
>> +     return monitor.WriteGPR(&user.regs);
>> +}
>> +
>> +bool
>> +RegisterContext_x86_64::WriteFPR()
>> +{
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    return monitor.WriteFPR(&user.i387);
>> +}
>> Index: source/Plugins/Process/POSIX/ProcessPOSIXLog.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/ProcessPOSIXLog.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/ProcessPOSIXLog.h	(revision 0)
>> @@ -0,0 +1,106 @@
>> +//===-- ProcessLinuxLog.h -----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_ProcessLinuxLog_h_
>> +#define liblldb_ProcessLinuxLog_h_
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +
>> +// Project includes
>> +#include "lldb/Core/Log.h"
>> +
>> +#define POSIX_LOG_VERBOSE                  (1u << 0)
>> +#define POSIX_LOG_PROCESS                  (1u << 1)
>> +#define POSIX_LOG_THREAD                   (1u << 2)
>> +#define POSIX_LOG_PACKETS                  (1u << 3)
>> +#define POSIX_LOG_MEMORY                   (1u << 4)    // Log memory reads/writes calls
>> +#define POSIX_LOG_MEMORY_DATA_SHORT        (1u << 5)    // Log short memory reads/writes bytes
>> +#define POSIX_LOG_MEMORY_DATA_LONG         (1u << 6)    // Log all memory reads/writes bytes
>> +#define POSIX_LOG_BREAKPOINTS              (1u << 7)
>> +#define POSIX_LOG_WATCHPOINTS              (1u << 8)
>> +#define POSIX_LOG_STEP                     (1u << 9)
>> +#define POSIX_LOG_COMM                     (1u << 10)
>> +#define POSIX_LOG_ASYNC                    (1u << 11)
>> +#define POSIX_LOG_PTRACE                   (1u << 12)
>> +#define POSIX_LOG_REGISTERS                (1u << 13)
>> +#define POSIX_LOG_ALL                      (UINT32_MAX)
>> +#define POSIX_LOG_DEFAULT                  POSIX_LOG_PACKETS
>> +
>> +// The size which determines "short memory reads/writes".
>> +#define POSIX_LOG_MEMORY_SHORT_BYTES       (4 * sizeof(ptrdiff_t))
>> +
>> +class ProcessPOSIXLog
>> +{
>> +    static int m_nestinglevel;
>> +    static const char *m_pluginname;
>> +
>> +public:
>> +    static void
>> +    RegisterPluginName(const char *pluginName)
>> +    {
>> +        m_pluginname = pluginName;
>> +    }
>> +
>> +
>> +    static lldb::LogSP
>> +    GetLogIfAllCategoriesSet(uint32_t mask = 0);
>> +
>> +    static void
>> +    DisableLog (lldb_private::Args &args, lldb_private::Stream *feedback_strm);
>> +
>> +    static lldb::LogSP
>> +    EnableLog (lldb::StreamSP &log_stream_sp, uint32_t log_options,
>> +               lldb_private::Args &args, lldb_private::Stream *feedback_strm);
>> +
>> +    static void
>> +    ListLogCategories (lldb_private::Stream *strm);
>> +
>> +    static void
>> +    LogIf (uint32_t mask, const char *format, ...);
>> +
>> +    // The following functions can be used to enable the client to limit
>> +    // logging to only the top level function calls.  This is useful for
>> +    // recursive functions.  FIXME: not thread safe!
>> +    //     Example:
>> +    //     void NestingFunc() {
>> +    //         LogSP log (ProcessLinuxLog::GetLogIfAllCategoriesSet(POSIX_LOG_ALL));
>> +    //         if (log)
>> +    //         {
>> +    //             ProcessLinuxLog::IncNestLevel();
>> +    //             if (ProcessLinuxLog::AtTopNestLevel())
>> +    //                 log->Print(msg);
>> +    //         }
>> +    //         NestingFunc();
>> +    //         if (log)
>> +    //             ProcessLinuxLog::DecNestLevel();
>> +    //     }
>> +
>> +    static bool
>> +    AtTopNestLevel()
>> +    {
>> +        return m_nestinglevel == 1;
>> +    }
>> +
>> +    static void
>> +    IncNestLevel()
>> +    {
>> +        ++m_nestinglevel;
>> +    }
>> +
>> +    static void
>> +    DecNestLevel()
>> +    {
>> +        --m_nestinglevel;
>> +        assert(m_nestinglevel >= 0);
>> +    }
>> +};
>> +
>> +#endif  // liblldb_ProcessLinuxLog_h_
>> Index: source/Plugins/Process/POSIX/RegisterContext_x86_64.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/RegisterContext_x86_64.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/RegisterContext_x86_64.h	(revision 0)
>> @@ -0,0 +1,143 @@
>> +//===-- RegisterContext_x86_64.h ---------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_RegisterContext_x86_64_H_
>> +#define liblldb_RegisterContext_x86_64_H_
>> +
>> +#include "lldb/Core/Log.h"
>> +#include "RegisterContextPOSIX.h"
>> +
>> +#ifdef __FreeBSD__
>> +#include "RegisterContextFreeBSD_x86_64.h"
>> +#endif
>> +
>> +#ifdef __linux__
>> +#include "RegisterContextLinux_x86_64.h"
>> +#endif
>> +
>> +class ProcessMonitor;
>> +
>> +class RegisterContext_x86_64
>> +  : public RegisterContextPOSIX
>> +{
>> +public:
>> +    RegisterContext_x86_64 (lldb_private::Thread &thread,
>> +                                 uint32_t concrete_frame_idx);
>> +
>> +    ~RegisterContext_x86_64();
>> +
>> +    void
>> +    Invalidate();
>> +
>> +    void
>> +    InvalidateAllRegisters();
>> +
>> +    size_t
>> +    GetRegisterCount();
>> +
>> +    const lldb_private::RegisterInfo *
>> +    GetRegisterInfoAtIndex(uint32_t reg);
>> +
>> +    size_t
>> +    GetRegisterSetCount();
>> +
>> +    const lldb_private::RegisterSet *
>> +    GetRegisterSet(uint32_t set);
>> +
>> +    static unsigned
>> +    GetRegisterIndexFromOffset(unsigned offset);
>> +
>> +    static const char *
>> +    GetRegisterName(unsigned reg);
>> +
>> +    virtual bool
>> +    ReadRegister(const lldb_private::RegisterInfo *reg_info,
>> +                 lldb_private::RegisterValue &value);
>> +
>> +    bool
>> +    ReadAllRegisterValues(lldb::DataBufferSP &data_sp);
>> +
>> +    virtual bool
>> +    WriteRegister(const lldb_private::RegisterInfo *reg_info,
>> +                  const lldb_private::RegisterValue &value);
>> +
>> +    bool
>> +    WriteAllRegisterValues(const lldb::DataBufferSP &data_sp);
>> +
>> +    uint32_t
>> +    ConvertRegisterKindToRegisterNumber(uint32_t kind, uint32_t num);
>> +
>> +    bool
>> +    HardwareSingleStep(bool enable);
>> +
>> +    bool
>> +    UpdateAfterBreakpoint();
>> +
>> +    struct MMSReg
>> +    {
>> +        uint8_t bytes[10];
>> +        uint8_t pad[6];
>> +    };
>> +
>> +    struct XMMReg
>> +    {
>> +        uint8_t bytes[16];
>> +    };
>> +
>> +    struct FPU
>> +    {
>> +        uint16_t fcw;
>> +        uint16_t fsw;
>> +        uint16_t ftw;
>> +        uint16_t fop;
>> +        uint64_t ip;
>> +        uint64_t dp;
>> +        uint32_t mxcsr;
>> +        uint32_t mxcsrmask;
>> +        MMSReg   stmm[8];
>> +        XMMReg   xmm[16];
>> +        uint32_t padding[24];
>> +    };
>> +
>> +    struct UserArea
>> +    {
>> +        GPR      regs;          // General purpose registers.
>> +        int32_t  fpvalid;       // True if FPU is being used.
>> +        int32_t  pad0;
>> +        FPU      i387;          // FPU registers.
>> +        uint64_t tsize;         // Text segment size.
>> +        uint64_t dsize;         // Data segment size.
>> +        uint64_t ssize;         // Stack segment size.
>> +        uint64_t start_code;    // VM address of text.
>> +        uint64_t start_stack;   // VM address of stack bottom (top in rsp).
>> +        int64_t  signal;        // Signal causing core dump.
>> +        int32_t  reserved;      // Unused.
>> +        int32_t  pad1;
>> +        uint64_t ar0;           // Location of GPR's.
>> +        FPU*     fpstate;       // Location of FPR's.
>> +        uint64_t magic;         // Identifier for core dumps.
>> +        char     u_comm[32];    // Command causing core dump.
>> +        uint64_t u_debugreg[8]; // Debug registers (DR0 - DR7).
>> +        uint64_t error_code;    // CPU error code.
>> +        uint64_t fault_address; // Control register CR3.
>> +    };
>> +
>> +private:
>> +    UserArea user;
>> +
>> +    ProcessMonitor &GetMonitor();
>> +
>> +    bool ReadGPR();
>> +    bool ReadFPR();
>> +
>> +    bool WriteGPR();
>> +    bool WriteFPR();
>> +};
>> +
>> +#endif // #ifndef liblldb_RegisterContext_x86_64_H_
>> Index: source/Plugins/Process/POSIX/RegisterContextPOSIX.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/RegisterContextPOSIX.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/RegisterContextPOSIX.h	(revision 0)
>> @@ -0,0 +1,40 @@
>> +//===-- RegisterContextPOSIX.h --------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_RegisterContextPOSIX_H_
>> +#define liblldb_RegisterContextPOSIX_H_
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Target/RegisterContext.h"
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class RegisterContextPOSIX
>> +///
>> +/// @brief Extends RegisterClass with a few virtual operations useful on POSIX.
>> +class RegisterContextPOSIX
>> +    : public lldb_private::RegisterContext
>> +{
>> +public:
>> +    RegisterContextPOSIX(lldb_private::Thread &thread,
>> +                         uint32_t concrete_frame_idx)
>> +        : RegisterContext(thread, concrete_frame_idx) { }
>> +
>> +    /// Updates the register state of the associated thread after hitting a
>> +    /// breakpoint (if that make sense for the architecture).  Default
>> +    /// implementation simply returns true for architectures which do not
>> +    /// require any update.
>> +    ///
>> +    /// @return
>> +    ///    True if the operation succeeded and false otherwise.
>> +    virtual bool UpdateAfterBreakpoint() { return true; }
>> +};
>> +
>> +#endif // #ifndef liblldb_RegisterContextPOSIX_H_
>> Index: source/Plugins/Process/POSIX/ProcessMessage.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/ProcessMessage.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/ProcessMessage.cpp	(revision 0)
>> @@ -0,0 +1,245 @@
>> +//===-- ProcessMessage.cpp --------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#include "ProcessMessage.h"
>> +
>> +using namespace lldb_private;
>> +
>> +const char *
>> +ProcessMessage::GetCrashReasonString(CrashReason reason)
>> +{
>> +    const char *str = NULL;
>> +
>> +    switch (reason)
>> +    {
>> +    default:
>> +        assert(false && "invalid CrashReason");
>> +        break;
>> +
>> +    case eInvalidAddress:
>> +        str = "invalid address";
>> +        break;
>> +    case ePrivilegedAddress:
>> +        str = "address access protected";
>> +        break;
>> +    case eIllegalOpcode:
>> +        str = "illegal instruction";
>> +        break;
>> +    case eIllegalOperand:
>> +        str = "illegal instruction operand";
>> +        break;
>> +    case eIllegalAddressingMode:
>> +        str = "illegal addressing mode";
>> +        break;
>> +    case eIllegalTrap:
>> +        str = "illegal trap";
>> +        break;
>> +    case ePrivilegedOpcode:
>> +        str = "privileged instruction";
>> +        break;
>> +    case ePrivilegedRegister:
>> +        str = "privileged register";
>> +        break;
>> +    case eCoprocessorError:
>> +        str = "coprocessor error";
>> +        break;
>> +    case eInternalStackError:
>> +        str = "internal stack error";
>> +        break;
>> +    case eIllegalAlignment:
>> +        str = "illegal alignment";
>> +        break;
>> +    case eIllegalAddress:
>> +        str = "illegal address";
>> +        break;
>> +    case eHardwareError:
>> +        str = "hardware error";
>> +        break;
>> +    case eIntegerDivideByZero:
>> +        str = "integer divide by zero";
>> +        break;
>> +    case eIntegerOverflow:
>> +        str = "integer overflow";
>> +        break;
>> +    case eFloatDivideByZero:
>> +        str = "floating point divide by zero";
>> +        break;
>> +    case eFloatOverflow:
>> +        str = "floating point overflow";
>> +        break;
>> +    case eFloatUnderflow:
>> +        str = "floating point underflow";
>> +        break;
>> +    case eFloatInexactResult:
>> +        str = "inexact floating point result";
>> +        break;
>> +    case eFloatInvalidOperation:
>> +        str = "invalid floating point operation";
>> +        break;
>> +    case eFloatSubscriptRange:
>> +        str = "invalid floating point subscript range";
>> +        break;
>> +    }
>> +
>> +    return str;
>> +}
>> +
>> +const char *
>> +ProcessMessage::PrintCrashReason(CrashReason reason)
>> +{
>> +#ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> +    // Just return the code in asci for integration builds.
>> +    chcar str[8];
>> +    sprintf(str, "%d", reason);
>> +#else
>> +    const char *str = NULL;
>> +
>> +    switch (reason)
>> +    {
>> +    default:
>> +        assert(false && "invalid CrashReason");
>> +        break;
>> +
>> +        case eInvalidCrashReason:
>> +            str = "eInvalidCrashReason";
>> +            break;
>> +
>> +        // SIGSEGV crash reasons.
>> +        case eInvalidAddress:
>> +            str = "eInvalidAddress";
>> +            break;
>> +        case ePrivilegedAddress:
>> +            str = "ePrivilegedAddress";
>> +            break;
>> +
>> +        // SIGILL crash reasons.
>> +        case eIllegalOpcode:
>> +            str = "eIllegalOpcode";
>> +            break;
>> +        case eIllegalOperand:
>> +            str = "eIllegalOperand";
>> +            break;
>> +        case eIllegalAddressingMode:
>> +            str = "eIllegalAddressingMode";
>> +            break;
>> +        case eIllegalTrap:
>> +            str = "eIllegalTrap";
>> +            break;
>> +        case ePrivilegedOpcode:
>> +            str = "ePrivilegedOpcode";
>> +            break;
>> +        case ePrivilegedRegister:
>> +            str = "ePrivilegedRegister";
>> +            break;
>> +        case eCoprocessorError:
>> +            str = "eCoprocessorError";
>> +            break;
>> +        case eInternalStackError:
>> +            str = "eInternalStackError";
>> +            break;
>> +
>> +        // SIGBUS crash reasons:
>> +        case eIllegalAlignment:
>> +            str = "eIllegalAlignment";
>> +            break;
>> +        case eIllegalAddress:
>> +            str = "eIllegalAddress";
>> +            break;
>> +        case eHardwareError:
>> +            str = "eHardwareError";
>> +            break;
>> +
>> +        // SIGFPE crash reasons:
>> +        case eIntegerDivideByZero:
>> +            str = "eIntegerDivideByZero";
>> +            break;
>> +        case eIntegerOverflow:
>> +            str = "eIntegerOverflow";
>> +            break;
>> +        case eFloatDivideByZero:
>> +            str = "eFloatDivideByZero";
>> +            break;
>> +        case eFloatOverflow:
>> +            str = "eFloatOverflow";
>> +            break;
>> +        case eFloatUnderflow:
>> +            str = "eFloatUnderflow";
>> +            break;
>> +        case eFloatInexactResult:
>> +            str = "eFloatInexactResult";
>> +            break;
>> +        case eFloatInvalidOperation:
>> +            str = "eFloatInvalidOperation";
>> +            break;
>> +        case eFloatSubscriptRange:
>> +            str = "eFloatSubscriptRange";
>> +            break;
>> +    }
>> +#endif
>> +
>> +    return str;
>> +}
>> +
>> +const char *
>> +ProcessMessage::PrintCrashReason() const
>> +{
>> +    return PrintCrashReason(m_crash_reason);
>> +}
>> +
>> +const char *
>> +ProcessMessage::PrintKind(Kind kind)
>> +{
>> +#ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> +    // Just return the code in asci for integration builds.
>> +    chcar str[8];
>> +    sprintf(str, "%d", reason);
>> +#else
>> +    const char *str = NULL;
>> +
>> +    switch (kind)
>> +    {
>> +    default:
>> +        assert(false && "invalid Kind");
>> +        break;
>> +
>> +    case eInvalidMessage:
>> +        str = "eInvalidMessage";
>> +        break;
>> +    case eExitMessage:
>> +        str = "eExitMessage";
>> +        break;
>> +    case eLimboMessage:
>> +        str = "eLimboMessage";
>> +        break;
>> +    case eSignalMessage:
>> +        str = "eSignalMessage";
>> +        break;
>> +    case eSignalDeliveredMessage:
>> +        str = "eSignalDeliveredMessage";
>> +        break;
>> +    case eTraceMessage:
>> +        str = "eTraceMessage";
>> +        break;
>> +    case eBreakpointMessage:
>> +        str = "eBreakpointMessage";
>> +        break;
>> +    case eCrashMessage:
>> +        str = "eCrashMessage";
>> +        break;
>> +    }
>> +#endif
>> +
>> +    return str;
>> +}
>> +
>> +const char *
>> +ProcessMessage::PrintKind() const
>> +{
>> +    return PrintKind(m_kind);
>> +}
>> Index: source/Plugins/Process/POSIX/POSIXStopInfo.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/POSIXStopInfo.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/POSIXStopInfo.cpp	(revision 0)
>> @@ -0,0 +1,60 @@
>> +//===-- POSIXStopInfo.cpp ---------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#include "POSIXStopInfo.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +
>> +//===----------------------------------------------------------------------===//
>> +// POSIXLimboStopInfo
>> +
>> +POSIXLimboStopInfo::~POSIXLimboStopInfo() { }
>> +
>> +lldb::StopReason
>> +POSIXLimboStopInfo::GetStopReason() const
>> +{
>> +    return lldb::eStopReasonTrace;
>> +}
>> +
>> +const char *
>> +POSIXLimboStopInfo::GetDescription()
>> +{
>> +    return "thread exiting";
>> +}
>> +
>> +bool
>> +POSIXLimboStopInfo::ShouldStop(Event *event_ptr)
>> +{
>> +    return true;
>> +}
>> +
>> +bool
>> +POSIXLimboStopInfo::ShouldNotify(Event *event_ptr)
>> +{
>> +    return true;
>> +}
>> +
>> +//===----------------------------------------------------------------------===//
>> +// POSIXCrashStopInfo
>> +
>> +POSIXCrashStopInfo::~POSIXCrashStopInfo() { }
>> +
>> +lldb::StopReason
>> +POSIXCrashStopInfo::GetStopReason() const
>> +{
>> +    return lldb::eStopReasonException;
>> +}
>> +
>> +const char *
>> +POSIXCrashStopInfo::GetDescription()
>> +{
>> +    return ProcessMessage::GetCrashReasonString(m_crash_reason);
>> +}
>> Index: source/Plugins/Process/POSIX/ProcessMessage.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/ProcessMessage.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/ProcessMessage.h	(revision 0)
>> @@ -0,0 +1,171 @@
>> +//===-- ProcessMessage.h ----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_ProcessMessage_H_
>> +#define liblldb_ProcessMessage_H_
>> +
>> +#include <cassert>
>> +
>> +#include "lldb/lldb-defines.h"
>> +#include "lldb/lldb-types.h"
>> +
>> +class ProcessMessage
>> +{
>> +public:
>> +
>> +    /// The type of signal this message can correspond to.
>> +    enum Kind
>> +    {
>> +        eInvalidMessage,
>> +        eExitMessage,
>> +        eLimboMessage,
>> +        eSignalMessage,
>> +        eSignalDeliveredMessage,
>> +        eTraceMessage,
>> +        eBreakpointMessage,
>> +        eCrashMessage
>> +    };
>> +
>> +    enum CrashReason
>> +    {
>> +        eInvalidCrashReason,
>> +
>> +        // SIGSEGV crash reasons.
>> +        eInvalidAddress,
>> +        ePrivilegedAddress,
>> +
>> +        // SIGILL crash reasons.
>> +        eIllegalOpcode,
>> +        eIllegalOperand,
>> +        eIllegalAddressingMode,
>> +        eIllegalTrap,
>> +        ePrivilegedOpcode,
>> +        ePrivilegedRegister,
>> +        eCoprocessorError,
>> +        eInternalStackError,
>> +
>> +        // SIGBUS crash reasons,
>> +        eIllegalAlignment,
>> +        eIllegalAddress,
>> +        eHardwareError,
>> +
>> +        // SIGFPE crash reasons,
>> +        eIntegerDivideByZero,
>> +        eIntegerOverflow,
>> +        eFloatDivideByZero,
>> +        eFloatOverflow,
>> +        eFloatUnderflow,
>> +        eFloatInexactResult,
>> +        eFloatInvalidOperation,
>> +        eFloatSubscriptRange
>> +    };
>> +
>> +    ProcessMessage()
>> +        : m_tid(LLDB_INVALID_PROCESS_ID),
>> +          m_kind(eInvalidMessage),
>> +          m_crash_reason(eInvalidCrashReason),
>> +          m_status(0),
>> +          m_addr(0) { }
>> +
>> +    Kind GetKind() const { return m_kind; }
>> +
>> +    lldb::tid_t GetTID() const { return m_tid; }
>> +
>> +    /// Indicates that the thread @p tid is about to exit with status @p status.
>> +    static ProcessMessage Limbo(lldb::tid_t tid, int status) {
>> +        return ProcessMessage(tid, eLimboMessage, status);
>> +    }
>> +
>> +    /// Indicates that the thread @p tid had the signal @p signum delivered.
>> +    static ProcessMessage Signal(lldb::tid_t tid, int signum) {
>> +        return ProcessMessage(tid, eSignalMessage, signum);
>> +    }
>> +
>> +    /// Indicates that a signal @p signum generated by the debugging process was
>> +    /// delivered to the thread @p tid.
>> +    static ProcessMessage SignalDelivered(lldb::tid_t tid, int signum) {
>> +        return ProcessMessage(tid, eSignalDeliveredMessage, signum);
>> +    }
>> +
>> +    /// Indicates that the thread @p tid encountered a trace point.
>> +    static ProcessMessage Trace(lldb::tid_t tid) {
>> +        return ProcessMessage(tid, eTraceMessage);
>> +    }
>> +
>> +    /// Indicates that the thread @p tid encountered a break point.
>> +    static ProcessMessage Break(lldb::tid_t tid) {
>> +        return ProcessMessage(tid, eBreakpointMessage);
>> +    }
>> +
>> +    /// Indicates that the thread @p tid crashed.
>> +    static ProcessMessage Crash(lldb::pid_t pid, CrashReason reason,
>> +                                int signo, lldb::addr_t fault_addr) {
>> +        ProcessMessage message(pid, eCrashMessage, signo, fault_addr);
>> +        message.m_crash_reason = reason;
>> +        return message;
>> +    }
>> +
>> +    int GetExitStatus() const {
>> +        assert(GetKind() == eExitMessage || GetKind() == eLimboMessage);
>> +        return m_status;
>> +    }
>> +
>> +    int GetSignal() const {
>> +        assert(GetKind() == eSignalMessage || GetKind() == eCrashMessage ||
>> +               GetKind() == eSignalDeliveredMessage);
>> +        return m_status;
>> +    }
>> +
>> +    int GetStopStatus() const {
>> +        assert(GetKind() == eSignalMessage);
>> +        return m_status;
>> +    }
>> +
>> +    CrashReason GetCrashReason() const {
>> +        assert(GetKind() == eCrashMessage);
>> +        return m_crash_reason;
>> +    }
>> +
>> +    lldb::addr_t GetFaultAddress() const {
>> +        assert(GetKind() == eCrashMessage);
>> +        return m_addr;
>> +    }
>> +
>> +    static const char *
>> +    GetCrashReasonString(CrashReason reason);
>> +
>> +    const char *
>> +    PrintCrashReason() const;
>> +
>> +    static const char *
>> +    PrintCrashReason(CrashReason reason);
>> +
>> +    const char *
>> +    PrintKind() const;
>> +
>> +    static const char *
>> +    PrintKind(Kind);
>> +
>> +private:
>> +    ProcessMessage(lldb::tid_t tid, Kind kind, 
>> +                   int status = 0, lldb::addr_t addr = 0)
>> +        : m_tid(tid),
>> +          m_kind(kind),
>> +          m_crash_reason(eInvalidCrashReason),
>> +          m_status(status),
>> +          m_addr(addr) { }
>> +
>> +    lldb::tid_t m_tid;
>> +    Kind        m_kind         : 8;
>> +    CrashReason m_crash_reason : 8;
>> +    int m_status;
>> +    lldb::addr_t m_addr;
>> +};
>> +
>> +#endif // #ifndef liblldb_ProcessMessage_H_
>> Index: source/Plugins/Process/POSIX/POSIXStopInfo.h
>> ===================================================================
>> --- source/Plugins/Process/POSIX/POSIXStopInfo.h	(revision 0)
>> +++ source/Plugins/Process/POSIX/POSIXStopInfo.h	(revision 0)
>> @@ -0,0 +1,92 @@
>> +//===-- POSIXStopInfo.h -----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_POSIXStopInfo_H_
>> +#define liblldb_POSIXStopInfo_H_
>> +
>> +// C Includes
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +// Project includes
>> +#include "lldb/Target/StopInfo.h"
>> +
>> +#include "POSIXThread.h"
>> +#include "ProcessMessage.h"
>> +
>> +//===----------------------------------------------------------------------===//
>> +/// @class POSIXStopInfo
>> +/// @brief Simple base class for all POSIX-specific StopInfo objects.
>> +///
>> +class POSIXStopInfo
>> +    : public lldb_private::StopInfo
>> +{
>> +public:
>> +    POSIXStopInfo(lldb_private::Thread &thread, uint32_t status)
>> +        : StopInfo(thread, status)
>> +        { }
>> +};
>> +
>> +//===----------------------------------------------------------------------===//
>> +/// @class POSIXLimboStopInfo
>> +/// @brief Represents the stop state of a process ready to exit.
>> +///
>> +class POSIXLimboStopInfo
>> +    : public POSIXStopInfo
>> +{
>> +public:
>> +    POSIXLimboStopInfo(POSIXThread &thread)
>> +        : POSIXStopInfo(thread, 0)
>> +        { }
>> +
>> +    ~POSIXLimboStopInfo();
>> +
>> +    lldb::StopReason
>> +    GetStopReason() const;
>> +
>> +    const char *
>> +    GetDescription();
>> +
>> +    bool
>> +    ShouldStop(lldb_private::Event *event_ptr);
>> +
>> +    bool
>> +    ShouldNotify(lldb_private::Event *event_ptr);
>> +};
>> +
>> +
>> +//===----------------------------------------------------------------------===//
>> +/// @class POSIXCrashStopInfo
>> +/// @brief Represents the stop state of process that is ready to crash.
>> +///
>> +class POSIXCrashStopInfo
>> +    : public POSIXStopInfo
>> +{
>> +public:
>> +    POSIXCrashStopInfo(POSIXThread &thread, uint32_t status, 
>> +                  ProcessMessage::CrashReason reason)
>> +        : POSIXStopInfo(thread, status),
>> +          m_crash_reason(reason)
>> +        { }
>> +
>> +    ~POSIXCrashStopInfo();
>> +
>> +    lldb::StopReason
>> +    GetStopReason() const;
>> +
>> +    const char *
>> +    GetDescription();
>> +
>> +    ProcessMessage::CrashReason
>> +    GetCrashReason() const;
>> +
>> +private:
>> +    ProcessMessage::CrashReason m_crash_reason;
>> +};    
>> +
>> +#endif
>> Index: source/Plugins/Process/POSIX/POSIXThread.cpp
>> ===================================================================
>> --- source/Plugins/Process/POSIX/POSIXThread.cpp	(revision 0)
>> +++ source/Plugins/Process/POSIX/POSIXThread.cpp	(revision 0)
>> @@ -0,0 +1,352 @@
>> +//===-- POSIXThread.cpp -----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +#include <errno.h>
>> +
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +// Project includes
>> +#include "lldb/Core/Debugger.h"
>> +#include "lldb/Host/Host.h"
>> +#include "lldb/Target/Process.h"
>> +#include "lldb/Target/StopInfo.h"
>> +#include "lldb/Target/Target.h"
>> +#include "POSIXStopInfo.h"
>> +#include "POSIXThread.h"
>> +#include "ProcessPOSIX.h"
>> +#include "ProcessPOSIXLog.h"
>> +#include "ProcessMonitor.h"
>> +#include "RegisterContext_i386.h"
>> +#include "RegisterContext_x86_64.h"
>> +#include "RegisterContextPOSIX.h"
>> +
>> +#include "UnwindLLDB.h"
>> +
>> +using namespace lldb_private;
>> +
>> +
>> +POSIXThread::POSIXThread(Process &process, lldb::tid_t tid)
>> +    : Thread(process, tid),
>> +      m_frame_ap(0)
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("POSIXThread::%s (tid = %i)", __FUNCTION__, tid);
>> +}
>> +
>> +POSIXThread::~POSIXThread()
>> +{
>> +    DestroyThread();
>> +}
>> +
>> +ProcessMonitor &
>> +POSIXThread::GetMonitor()
>> +{
>> +    ProcessPOSIX &process = static_cast<ProcessPOSIX&>(GetProcess());
>> +    return process.GetMonitor();
>> +}
>> +
>> +void
>> +POSIXThread::RefreshStateAfterStop()
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("POSIXThread::%s ()", __FUNCTION__);
>> +
>> +    // Let all threads recover from stopping and do any clean up based
>> +    // on the previous thread state (if any).
>> +    ProcessPOSIX &process = static_cast<ProcessPOSIX&>(GetProcess());
>> +    process.GetThreadList().RefreshStateAfterStop();
>> +}
>> +
>> +const char *
>> +POSIXThread::GetInfo()
>> +{
>> +    return NULL;
>> +}
>> +
>> +lldb::RegisterContextSP
>> +POSIXThread::GetRegisterContext()
>> +{
>> +    if (!m_reg_context_sp)
>> +    {
>> +        ArchSpec arch = Host::GetArchitecture();
>> +
>> +        switch (arch.GetCore())
>> +        {
>> +        default:
>> +            assert(false && "CPU type not supported!");
>> +            break;
>> +
>> +        case ArchSpec::eCore_x86_32_i386:
>> +        case ArchSpec::eCore_x86_32_i486:
>> +        case ArchSpec::eCore_x86_32_i486sx:
>> +            m_reg_context_sp.reset(new RegisterContext_i386(*this, 0));
>> +            break;
>> +
>> +        case ArchSpec::eCore_x86_64_x86_64:
>> +            m_reg_context_sp.reset(new RegisterContext_x86_64(*this, 0));
>> +            break;
>> +        }
>> +    }
>> +    return m_reg_context_sp;
>> +}
>> +
>> +lldb::RegisterContextSP
>> +POSIXThread::CreateRegisterContextForFrame(lldb_private::StackFrame *frame)
>> +{
>> +    lldb::RegisterContextSP reg_ctx_sp;
>> +    uint32_t concrete_frame_idx = 0;
>> +
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("POSIXThread::%s ()", __FUNCTION__);
>> +
>> +    if (frame)
>> +        concrete_frame_idx = frame->GetConcreteFrameIndex();
>> +
>> +    if (concrete_frame_idx == 0)
>> +        reg_ctx_sp = GetRegisterContext();
>> +    else
>> +    {
>> +        assert(GetUnwinder());
>> +        reg_ctx_sp = GetUnwinder()->CreateRegisterContextForFrame(frame);
>> +    }
>> +
>> +    return reg_ctx_sp;
>> +}
>> +
>> +lldb::StopInfoSP
>> +POSIXThread::GetPrivateStopReason()
>> +{
>> +    return m_stop_info;
>> +}
>> +
>> +Unwind *
>> +POSIXThread::GetUnwinder()
>> +{
>> +    if (m_unwinder_ap.get() == NULL)
>> +        m_unwinder_ap.reset(new UnwindLLDB(*this));
>> +
>> +    return m_unwinder_ap.get();
>> +}
>> +
>> +bool
>> +POSIXThread::WillResume(lldb::StateType resume_state)
>> +{
>> +    SetResumeState(resume_state);
>> +
>> +    ClearStackFrames();
>> +    if (m_unwinder_ap.get())
>> +        m_unwinder_ap->Clear();
>> +
>> +    return Thread::WillResume(resume_state);
>> +}
>> +
>> +bool
>> +POSIXThread::Resume()
>> +{
>> +    lldb::StateType resume_state = GetResumeState();
>> +    ProcessMonitor &monitor = GetMonitor();
>> +    bool status;
>> +
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
>> +        log->Printf ("POSIXThread::%s ()", __FUNCTION__);
>> +
>> +    switch (resume_state)
>> +    {
>> +    default:
>> +        assert(false && "Unexpected state for resume!");
>> +        status = false;
>> +        break;
>> +
>> +    case lldb::eStateRunning:
>> +        SetState(resume_state);
>> +        status = monitor.Resume(GetID(), GetResumeSignal());
>> +        break;
>> +
>> +    case lldb::eStateStepping:
>> +        SetState(resume_state);
>> +        status = monitor.SingleStep(GetID(), GetResumeSignal());
>> +        break;
>> +    }
>> +
>> +    return status;
>> +}
>> +
>> +void
>> +POSIXThread::Notify(const ProcessMessage &message)
>> +{
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log)
>> +        log->Printf ("POSIXThread::%s () message kind = '%s'", __FUNCTION__, message.PrintKind());
>> +
>> +    switch (message.GetKind())
>> +    {
>> +    default:
>> +        assert(false && "Unexpected message kind!");
>> +        break;
>> +
>> +    case ProcessMessage::eLimboMessage:
>> +        LimboNotify(message);
>> +        break;
>> +        
>> +    case ProcessMessage::eSignalMessage:
>> +        SignalNotify(message);
>> +        break;
>> +
>> +    case ProcessMessage::eSignalDeliveredMessage:
>> +        SignalDeliveredNotify(message);
>> +        break;
>> +
>> +    case ProcessMessage::eTraceMessage:
>> +        TraceNotify(message);
>> +        break;
>> +
>> +    case ProcessMessage::eBreakpointMessage:
>> +        BreakNotify(message);
>> +        break;
>> +
>> +    case ProcessMessage::eCrashMessage:
>> +        CrashNotify(message);
>> +        break;
>> +    }
>> +}
>> +
>> +void
>> +POSIXThread::BreakNotify(const ProcessMessage &message)
>> +{
>> +    bool status;
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +
>> +    assert(GetRegisterContext());
>> +    status = GetRegisterContextPOSIX()->UpdateAfterBreakpoint();
>> +    assert(status && "Breakpoint update failed!");
>> +
>> +    // With our register state restored, resolve the breakpoint object
>> +    // corresponding to our current PC.
>> +    assert(GetRegisterContext());
>> +    lldb::addr_t pc = GetRegisterContext()->GetPC();
>> +    if (log)
>> +        log->Printf ("POSIXThread::%s () PC=0x%8.8llx", __FUNCTION__, pc);
>> +    lldb::BreakpointSiteSP bp_site(GetProcess().GetBreakpointSiteList().FindByAddress(pc));
>> +    assert(bp_site);
>> +    lldb::break_id_t bp_id = bp_site->GetID();
>> +    assert(bp_site && bp_site->ValidForThisThread(this));
>> +
>> +    
>> +    m_breakpoint = bp_site;
>> +    m_stop_info = StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id);
>> +}
>> +
>> +void
>> +POSIXThread::TraceNotify(const ProcessMessage &message)
>> +{
>> +    m_stop_info = StopInfo::CreateStopReasonToTrace(*this);
>> +}
>> +
>> +void
>> +POSIXThread::LimboNotify(const ProcessMessage &message)
>> +{
>> +    m_stop_info = lldb::StopInfoSP(new POSIXLimboStopInfo(*this));
>> +}
>> +
>> +void
>> +POSIXThread::SignalNotify(const ProcessMessage &message)
>> +{
>> +    int signo = message.GetSignal();
>> +
>> +    m_stop_info = StopInfo::CreateStopReasonWithSignal(*this, signo);
>> +    SetResumeSignal(signo);
>> +}
>> +
>> +void
>> +POSIXThread::SignalDeliveredNotify(const ProcessMessage &message)
>> +{
>> +    int signo = message.GetSignal();
>> +
>> +    // Just treat debugger generated signal events like breakpoints for now.
>> +    m_stop_info = StopInfo::CreateStopReasonToTrace(*this);
>> +    SetResumeSignal(signo);
>> +}
>> +
>> +void
>> +POSIXThread::CrashNotify(const ProcessMessage &message)
>> +{
>> +    int signo = message.GetSignal();
>> +
>> +    assert(message.GetKind() == ProcessMessage::eCrashMessage);
>> +
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
>> +    if (log)
>> +        log->Printf ("POSIXThread::%s () signo = %i, reason = '%s'", __FUNCTION__, signo, message.PrintCrashReason());
>> +
>> +    m_stop_info = lldb::StopInfoSP(new POSIXCrashStopInfo(
>> +                                       *this, signo, message.GetCrashReason()));
>> +    SetResumeSignal(signo);
>> +}
>> +
>> +unsigned
>> +POSIXThread::GetRegisterIndexFromOffset(unsigned offset)
>> +{
>> +    unsigned reg;
>> +    ArchSpec arch = Host::GetArchitecture();
>> +
>> +    switch (arch.GetCore())
>> +    {
>> +    default:
>> +        assert(false && "CPU type not supported!");
>> +        break;
>> +
>> +    case ArchSpec::eCore_x86_32_i386:
>> +    case ArchSpec::eCore_x86_32_i486:
>> +    case ArchSpec::eCore_x86_32_i486sx:
>> +        reg = RegisterContext_i386::GetRegisterIndexFromOffset(offset);
>> +        break;
>> +
>> +    case ArchSpec::eCore_x86_64_x86_64:
>> +        reg = RegisterContext_x86_64::GetRegisterIndexFromOffset(offset);
>> +        break;
>> +    }
>> +    return reg;
>> +}
>> +
>> +const char *
>> +POSIXThread::GetRegisterName(unsigned reg)
>> +{
>> +    const char * name;
>> +    ArchSpec arch = Host::GetArchitecture();
>> +
>> +    switch (arch.GetCore())
>> +    {
>> +    default:
>> +        assert(false && "CPU type not supported!");
>> +        break;
>> +
>> +    case ArchSpec::eCore_x86_32_i386:
>> +    case ArchSpec::eCore_x86_32_i486:
>> +    case ArchSpec::eCore_x86_32_i486sx:
>> +        name = RegisterContext_i386::GetRegisterName(reg);
>> +        break;
>> +
>> +    case ArchSpec::eCore_x86_64_x86_64:
>> +        name = RegisterContext_x86_64::GetRegisterName(reg);
>> +        break;
>> +    }
>> +    return name;
>> +}
>> +
>> +const char *
>> +POSIXThread::GetRegisterNameFromOffset(unsigned offset)
>> +{
>> +    return GetRegisterName(GetRegisterIndexFromOffset(offset));
>> +}
>> +
>> Index: source/Plugins/Process/POSIX/Makefile
>> ===================================================================
>> --- source/Plugins/Process/POSIX/Makefile	(revision 0)
>> +++ source/Plugins/Process/POSIX/Makefile	(revision 0)
>> @@ -0,0 +1,28 @@
>> +##===- source/Plugins/Process/POSIX/Makefile ---------------*- Makefile -*-===##
>> +# 
>> +#                     The LLVM Compiler Infrastructure
>> +#
>> +# This file is distributed under the University of Illinois Open Source
>> +# License. See LICENSE.TXT for details.
>> +# 
>> +##===----------------------------------------------------------------------===##
>> +
>> +LLDB_LEVEL := ../../../..
>> +LIBRARYNAME := lldbPluginProcessPOSIX
>> +BUILD_ARCHIVE = 1
>> +
>> +include $(LLDB_LEVEL)/../../Makefile.config
>> +
>> +# Extend the include path so we may locate UnwindLLDB.h
>> +CPPFLAGS += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Utility
>> +
>> +ifeq ($(HOST_OS),Linux)
>> +CPPFLAGS += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Process/Linux
>> +endif
>> +
>> +ifeq ($(HOST_OS),FreeBSD)
>> +# Extend the include path so we may locate ProcessMonitor
>> +CPPFLAGS += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Process/FreeBSD
>> +endif
>> +
>> +include $(LLDB_LEVEL)/Makefile
>> Index: source/Plugins/Process/FreeBSD/ProcessFreeBSD.h
>> ===================================================================
>> --- source/Plugins/Process/FreeBSD/ProcessFreeBSD.h	(revision 0)
>> +++ source/Plugins/Process/FreeBSD/ProcessFreeBSD.h	(revision 0)
>> @@ -0,0 +1,84 @@
>> +//===-- ProcessFreeBSD.h ------------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_ProcessFreeBSD_H_
>> +#define liblldb_ProcessFreeBSD_H_
>> +
>> +// C Includes
>> +
>> +// C++ Includes
>> +#include <queue>
>> +
>> +// Other libraries and framework includes
>> +#include "lldb/Target/Process.h"
>> +#include "lldb/Target/ThreadList.h"
>> +#include "ProcessMessage.h"
>> +#include "ProcessPOSIX.h"
>> +
>> +class ProcessMonitor;
>> +
>> +class ProcessFreeBSD :
>> +    public ProcessPOSIX
>> +{
>> +
>> +public:
>> +    //------------------------------------------------------------------
>> +    // Static functions.
>> +    //------------------------------------------------------------------
>> +    static Process*
>> +    CreateInstance(lldb_private::Target& target,
>> +                   lldb_private::Listener &listener);
>> +
>> +    static void
>> +    Initialize();
>> +
>> +    static void
>> +    Terminate();
>> +
>> +    static const char *
>> +    GetPluginNameStatic();
>> +
>> +    static const char *
>> +    GetPluginDescriptionStatic();
>> +
>> +    //------------------------------------------------------------------
>> +    // Constructors and destructors
>> +    //------------------------------------------------------------------
>> +    ProcessFreeBSD(lldb_private::Target& target,
>> +                 lldb_private::Listener &listener);
>> +
>> +    virtual uint32_t
>> +    UpdateThreadList(lldb_private::ThreadList &old_thread_list, lldb_private::ThreadList &new_thread_list);
>> +
>> +    //------------------------------------------------------------------
>> +    // PluginInterface protocol
>> +    //------------------------------------------------------------------
>> +    virtual const char *
>> +    GetPluginName();
>> +
>> +    virtual const char *
>> +    GetShortPluginName();
>> +
>> +    virtual uint32_t
>> +    GetPluginVersion();
>> +
>> +    virtual void
>> +    GetPluginCommandHelp(const char *command, lldb_private::Stream *strm);
>> +
>> +    virtual lldb_private::Error
>> +    ExecutePluginCommand(lldb_private::Args &command,
>> +                         lldb_private::Stream *strm);
>> +
>> +    virtual lldb_private::Log *
>> +    EnablePluginLogging(lldb_private::Stream *strm,
>> +                        lldb_private::Args &command);
>> +
>> +};
>> +
>> +#endif  // liblldb_MacOSXProcess_H_
>> Index: source/Plugins/Process/FreeBSD/ProcessMonitor.cpp
>> ===================================================================
>> --- source/Plugins/Process/FreeBSD/ProcessMonitor.cpp	(revision 0)
>> +++ source/Plugins/Process/FreeBSD/ProcessMonitor.cpp	(revision 0)
>> @@ -0,0 +1,1558 @@
>> +//===-- ProcessMonitor.cpp ------------------------------------ -*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +#include <errno.h>
>> +#include <poll.h>
>> +#include <string.h>
>> +#include <unistd.h>
>> +#include <signal.h>
>> +#include <sys/ptrace.h>
>> +#include <sys/socket.h>
>> +#include <sys/types.h>
>> +#include <sys/wait.h>
>> +
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Core/Error.h"
>> +#include "lldb/Core/RegisterValue.h"
>> +#include "lldb/Core/Scalar.h"
>> +#include "lldb/Host/Host.h"
>> +#include "lldb/Target/Thread.h"
>> +#include "lldb/Target/RegisterContext.h"
>> +#include "lldb/Utility/PseudoTerminal.h"
>> +
>> +
>> +#include "POSIXThread.h"
>> +#include "ProcessFreeBSD.h"
>> +#include "ProcessPOSIXLog.h"
>> +#include "ProcessMonitor.h"
>> +
>> +extern "C" {
>> +      extern char ** environ;
>> + }
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +// We disable the tracing of ptrace calls for integration builds to
>> +// avoid the additional indirection and checks.
>> +#ifndef LLDB_CONFIGURATION_BUILDANDINTEGRATION
>> +// Wrapper for ptrace to catch errors and log calls.
>> +
>> +const char *
>> +Get_PT_IO_OP(int op)
>> +{
>> +    switch (op) {
>> +        case PIOD_READ_D:  return "READ_D";
>> +        case PIOD_WRITE_D: return "WRITE_D";
>> +        case PIOD_READ_I:  return "READ_I";
>> +        case PIOD_WRITE_I: return "WRITE_I";
>> +        default:           return "Unknown op";
>> +    }
>> +}
>> +
>> +extern long
>> +PtraceWrapper(int req, ::pid_t pid, void *addr, int data,
>> +              const char* reqName, const char* file, int line)
>> +{
>> +    long int result;
>> +
>> +    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PTRACE));
>> +
>> +    if (log) {
>> +        log->Printf("ptrace(%s, %u, %p, %x) called from file %s line %d",
>> +                    reqName, pid, addr, data, file, line);
>> +        if (req == PT_IO) {
>> +            struct ptrace_io_desc *pi = (struct ptrace_io_desc *) addr;
>> +            
>> +            log->Printf("PT_IO: op=%s offs=%zx size=%ld",
>> +                     Get_PT_IO_OP(pi->piod_op),  pi->piod_offs, pi->piod_len);
>> +        }
>> +    }
>> +
>> +    //PtraceDisplayBytes(req, data);
>> +
>> +    errno = 0;
>> +    result = ptrace(req, pid, (caddr_t) addr, data);
>> +
>> +    //PtraceDisplayBytes(req, data);
>> +
>> +    if (log && (result == -1 || errno != 0))
>> +    {
>> +        const char* str;
>> +        switch (errno)
>> +        {
>> +        case ESRCH:  str = "ESRCH"; break;
>> +        case EINVAL: str = "EINVAL"; break;
>> +        case EBUSY:  str = "EBUSY"; break;
>> +        case EPERM:  str = "EPERM"; break;
>> +        default:     str = "<unknown>";
>> +        }
>> +        log->Printf("ptrace() failed; errno=%d (%s)", errno, str);
>> +    }
>> +
>> +    if (log) {
>> +        if (req == PT_GETREGS) {
>> +            struct reg *r = (struct reg *) addr;
>> +
>> +            log->Printf("PT_GETREGS: ip=0x%lx", r->r_rip);
>> +            log->Printf("PT_GETREGS: sp=0x%lx", r->r_rsp);
>> +            log->Printf("PT_GETREGS: bp=0x%lx", r->r_rbp);
>> +            log->Printf("PT_GETREGS: ax=0x%lx", r->r_rax);
>> +        }
>> +    }
>> +     
>> +    return result;
>> +}
>> +
>> +#define PTRACE(req, pid, addr, data) \
>> +    PtraceWrapper((req), (pid), (addr), (data), #req, __FILE__, __LINE__)
>> +#else
>> +#define PTRACE ptrace
>> +#endif
>> +
>> +//------------------------------------------------------------------------------
>> +// Static implementations of ProcessMonitor::ReadMemory and
>> +// ProcessMonitor::WriteMemory.  This enables mutual recursion between these
>> +// functions without needed to go thru the thread funnel.
>> +
>> +static size_t
>> +DoReadMemory(lldb::pid_t pid, lldb::addr_t vm_addr, void *buf, size_t size, 
>> +             Error &error)
>> +{
>> +    struct ptrace_io_desc pi_desc;
>> +
>> +    pi_desc.piod_op = PIOD_READ_D;
>> +    pi_desc.piod_offs = (void *)vm_addr;
>> +    pi_desc.piod_addr = buf;
>> +    pi_desc.piod_len = size;
>> +
>> +    if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0)
>> +        error.SetErrorToErrno();
>> +    return pi_desc.piod_len;
>> +}
>> +
>> +static size_t
>> +DoWriteMemory(lldb::pid_t pid, lldb::addr_t vm_addr, const void *buf, 
>> +              size_t size, Error &error)
>> +{
>> +    struct ptrace_io_desc pi_desc;
>> +
>> +    pi_desc.piod_op = PIOD_WRITE_D;
>> +    pi_desc.piod_offs = (void *)vm_addr;
>> +    pi_desc.piod_addr = (void *)buf;
>> +    pi_desc.piod_len = size;
>> +
>> +    if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0)
>> +        error.SetErrorToErrno();
>> +    return pi_desc.piod_len;
>> +}
>> +
>> +// Simple helper function to ensure flags are enabled on the given file
>> +// descriptor.
>> +static bool
>> +EnsureFDFlags(int fd, int flags, Error &error)
>> +{
>> +    int status;
>> +
>> +    if ((status = fcntl(fd, F_GETFL)) == -1)
>> +    {
>> +        error.SetErrorToErrno();
>> +        return false;
>> +    }
>> +
>> +    if (fcntl(fd, F_SETFL, status | flags) == -1)
>> +    {
>> +        error.SetErrorToErrno();
>> +        return false;
>> +    }
>> +
>> +    return true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class Operation
>> +/// @brief Represents a ProcessMonitor operation.
>> +///
>> +/// Under FreeBSD, it is not possible to ptrace() from any other thread but the
>> +/// one that spawned or attached to the process from the start.  Therefore, when
>> +/// a ProcessMonitor is asked to deliver or change the state of an inferior
>> +/// process the operation must be "funneled" to a specific thread to perform the
>> +/// task.  The Operation class provides an abstract base for all services the
>> +/// ProcessMonitor must perform via the single virtual function Execute, thus
>> +/// encapsulating the code that needs to run in the privileged context.
>> +class Operation
>> +{
>> +public:
>> +    virtual void Execute(ProcessMonitor *monitor) = 0;
>> +};
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ReadOperation
>> +/// @brief Implements ProcessMonitor::ReadMemory.
>> +class ReadOperation : public Operation
>> +{
>> +public:
>> +    ReadOperation(lldb::addr_t addr, void *buff, size_t size,
>> +                  Error &error, size_t &result)
>> +        : m_addr(addr), m_buff(buff), m_size(size),
>> +          m_error(error), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    lldb::addr_t m_addr;
>> +    void *m_buff;
>> +    size_t m_size;
>> +    Error &m_error;
>> +    size_t &m_result;
>> +};
>> +
>> +void
>> +ReadOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    lldb::pid_t pid = monitor->GetPID();
>> +
>> +    m_result = DoReadMemory(pid, m_addr, m_buff, m_size, m_error);
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ReadOperation
>> +/// @brief Implements ProcessMonitor::WriteMemory.
>> +class WriteOperation : public Operation
>> +{
>> +public:
>> +    WriteOperation(lldb::addr_t addr, const void *buff, size_t size,
>> +                   Error &error, size_t &result)
>> +        : m_addr(addr), m_buff(buff), m_size(size),
>> +          m_error(error), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    lldb::addr_t m_addr;
>> +    const void *m_buff;
>> +    size_t m_size;
>> +    Error &m_error;
>> +    size_t &m_result;
>> +};
>> +
>> +void
>> +WriteOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    lldb::pid_t pid = monitor->GetPID();
>> +
>> +    m_result = DoWriteMemory(pid, m_addr, m_buff, m_size, m_error);
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ReadRegOperation
>> +/// @brief Implements ProcessMonitor::ReadRegisterValue.
>> +class ReadRegOperation : public Operation
>> +{
>> +public:
>> +    ReadRegOperation(unsigned offset, unsigned size, RegisterValue &value, bool &result)
>> +      : m_offset(offset), m_size(size), m_value(value), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    unsigned m_offset;
>> +    unsigned m_size;
>> +    RegisterValue &m_value;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +ReadRegOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    lldb::pid_t pid = monitor->GetPID();
>> +    struct reg regs;
>> +    int rc;
>> +
>> +    if ((rc = PTRACE(PT_GETREGS, pid, (caddr_t)&regs, 0)) < 0) {
>> +        m_result = false;
>> +    } else {
>> +        if (m_size == sizeof(uintptr_t))
>> +            m_value = *(uintptr_t *)(((caddr_t)&regs) + m_offset);
>> +        else 
>> +            memcpy(&m_value, (((caddr_t)&regs) + m_offset), m_size);
>> +        m_result = true;
>> +    }
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class WriteRegOperation
>> +/// @brief Implements ProcessMonitor::WriteRegisterValue.
>> +class WriteRegOperation : public Operation
>> +{
>> +public:
>> +    WriteRegOperation(unsigned offset, const RegisterValue &value, bool &result)
>> +        : m_offset(offset), m_value(value), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    unsigned m_offset;
>> +    const RegisterValue &m_value;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +WriteRegOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    lldb::pid_t pid = monitor->GetPID();
>> +    struct reg regs;
>> +
>> +    if (PTRACE(PT_GETREGS, pid, (caddr_t)&regs, 0) < 0) {
>> +        m_result = false;
>> +        return;
>> +    }
>> +    *(uintptr_t *)(((caddr_t)&regs) + m_offset) = (uintptr_t)m_value.GetAsUInt64();
>> +    if (PTRACE(PT_SETREGS, pid, (caddr_t)&regs, 0) < 0)
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ReadGPROperation
>> +/// @brief Implements ProcessMonitor::ReadGPR.
>> +class ReadGPROperation : public Operation
>> +{
>> +public:
>> +    ReadGPROperation(void *buf, bool &result)
>> +        : m_buf(buf), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    void *m_buf;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +ReadGPROperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    int rc;
>> +
>> +    errno = 0;
>> +    rc = PTRACE(PT_GETREGS, monitor->GetPID(), (caddr_t)m_buf, 0);
>> +    if (errno != 0)
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ReadFPROperation
>> +/// @brief Implements ProcessMonitor::ReadFPR.
>> +class ReadFPROperation : public Operation
>> +{
>> +public:
>> +    ReadFPROperation(void *buf, bool &result)
>> +        : m_buf(buf), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    void *m_buf;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +ReadFPROperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    if (PTRACE(PT_GETFPREGS, monitor->GetPID(), (caddr_t)m_buf, 0) < 0)
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class WriteGPROperation
>> +/// @brief Implements ProcessMonitor::WriteGPR.
>> +class WriteGPROperation : public Operation
>> +{
>> +public:
>> +    WriteGPROperation(void *buf, bool &result)
>> +        : m_buf(buf), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    void *m_buf;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +WriteGPROperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    if (PTRACE(PT_SETREGS, monitor->GetPID(), (caddr_t)m_buf, 0) < 0)
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class WriteFPROperation
>> +/// @brief Implements ProcessMonitor::WriteFPR.
>> +class WriteFPROperation : public Operation
>> +{
>> +public:
>> +    WriteFPROperation(void *buf, bool &result)
>> +        : m_buf(buf), m_result(result)
>> +        { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    void *m_buf;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +WriteFPROperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    if (PTRACE(PT_SETFPREGS, monitor->GetPID(), (caddr_t)m_buf, 0) < 0)
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ResumeOperation
>> +/// @brief Implements ProcessMonitor::Resume.
>> +class ResumeOperation : public Operation
>> +{
>> +public:
>> +    ResumeOperation(lldb::tid_t tid, uint32_t signo, bool &result) :
>> +        m_tid(tid), m_signo(signo), m_result(result) { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    lldb::tid_t m_tid;
>> +    uint32_t m_signo;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +ResumeOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    int data = 0;
>> +
>> +    if (m_signo != LLDB_INVALID_SIGNAL_NUMBER)
>> +        data = m_signo;
>> +
>> +    if (PTRACE(PT_CONTINUE, m_tid, (caddr_t)1, data))
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class ResumeOperation
>> +/// @brief Implements ProcessMonitor::SingleStep.
>> +class SingleStepOperation : public Operation
>> +{
>> +public:
>> +    SingleStepOperation(lldb::tid_t tid, uint32_t signo, bool &result)
>> +        : m_tid(tid), m_signo(signo), m_result(result) { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    lldb::tid_t m_tid;
>> +    uint32_t m_signo;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +SingleStepOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    int data = 0;
>> +
>> +    if (m_signo != LLDB_INVALID_SIGNAL_NUMBER)
>> +        data = m_signo;
>> +
>> +    if (PTRACE(PT_STEP, m_tid, NULL, data))
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class SiginfoOperation
>> +/// @brief Implements ProcessMonitor::GetSignalInfo.
>> +class SiginfoOperation : public Operation
>> +{
>> +public:
>> +    SiginfoOperation(lldb::tid_t tid, void *info, bool &result)
>> +        : m_tid(tid), m_info(info), m_result(result) { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    lldb::tid_t m_tid;
>> +    void *m_info;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +SiginfoOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    struct ptrace_lwpinfo plwp;
>> +
>> +    if (PTRACE(PT_LWPINFO, m_tid, (caddr_t)&plwp, sizeof(plwp)))
>> +        m_result = false;
>> +    else {
>> +        memcpy(m_info, &plwp.pl_siginfo, sizeof(siginfo_t));
>> +        m_result = true;
>> +    }
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class EventMessageOperation
>> +/// @brief Implements ProcessMonitor::GetEventMessage.
>> +class EventMessageOperation : public Operation
>> +{
>> +public:
>> +    EventMessageOperation(lldb::tid_t tid, unsigned long *message, bool &result)
>> +        : m_tid(tid), m_message(message), m_result(result) { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    lldb::tid_t m_tid;
>> +    unsigned long *m_message;
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +EventMessageOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    struct ptrace_lwpinfo plwp;
>> +
>> +    if (PTRACE(PT_LWPINFO, m_tid, (caddr_t)&plwp, sizeof(plwp)))
>> +        m_result = false;
>> +    else {
>> +        if (plwp.pl_flags & PL_FLAG_FORKED) {
>> +            m_message = (unsigned long *)plwp.pl_child_pid;
>> +            m_result = true;
>> +        } else
>> +            m_result = false;
>> +    }
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class KillOperation
>> +/// @brief Implements ProcessMonitor::BringProcessIntoLimbo.
>> +class KillOperation : public Operation
>> +{
>> +public:
>> +    KillOperation(bool &result) : m_result(result) { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    bool &m_result;
>> +};
>> +
>> +void
>> +KillOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    lldb::pid_t pid = monitor->GetPID();
>> +
>> +    if (PTRACE(PT_KILL, pid, NULL, 0))
>> +        m_result = false;
>> +    else
>> +        m_result = true;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +/// @class KillOperation
>> +/// @brief Implements ProcessMonitor::BringProcessIntoLimbo.
>> +class DetachOperation : public Operation
>> +{
>> +public:
>> +    DetachOperation(Error &result) : m_error(result) { }
>> +
>> +    void Execute(ProcessMonitor *monitor);
>> +
>> +private:
>> +    Error &m_error;
>> +};
>> +
>> +void
>> +DetachOperation::Execute(ProcessMonitor *monitor)
>> +{
>> +    lldb::pid_t pid = monitor->GetPID();
>> +
>> +    if (PTRACE(PT_DETACH, pid, NULL, 0) < 0)
>> +        m_error.SetErrorToErrno();
>> +  
>> +}
>> +
>> +ProcessMonitor::OperationArgs::OperationArgs(ProcessMonitor *monitor)
>> +    : m_monitor(monitor)
>> +{
>> +    sem_init(&m_semaphore, 0, 0);
>> +}
>> +
>> +ProcessMonitor::OperationArgs::~OperationArgs()
>> +{
>> +    sem_destroy(&m_semaphore);
>> +}
>> +
>> +ProcessMonitor::LaunchArgs::LaunchArgs(ProcessMonitor *monitor,
>> +                                       lldb_private::Module *module,
>> +                                       char const **argv,
>> +                                       char const **envp,
>> +                                       const char *stdin_path,
>> +                                       const char *stdout_path,
>> +                                       const char *stderr_path)
>> +    : OperationArgs(monitor),
>> +      m_module(module),
>> +      m_argv(argv),
>> +      m_envp(envp),
>> +      m_stdin_path(stdin_path),
>> +      m_stdout_path(stdout_path),
>> +      m_stderr_path(stderr_path) { }
>> +
>> +ProcessMonitor::LaunchArgs::~LaunchArgs()
>> +{ }
>> +
>> +ProcessMonitor::AttachArgs::AttachArgs(ProcessMonitor *monitor,
>> +                                       lldb::pid_t pid)
>> +    : OperationArgs(monitor), m_pid(pid) { }
>> +
>> +ProcessMonitor::AttachArgs::~AttachArgs()
>> +{ }
>> +
>> +//------------------------------------------------------------------------------
>> +/// The basic design of the ProcessMonitor is built around two threads.
>> +///
>> +/// One thread (@see SignalThread) simply blocks on a call to waitpid() looking
>> +/// for changes in the debugee state.  When a change is detected a
>> +/// ProcessMessage is sent to the associated ProcessFreeBSD instance.  This thread
>> +/// "drives" state changes in the debugger.
>> +///
>> +/// The second thread (@see OperationThread) is responsible for two things 1)
>> +/// launching or attaching to the inferior process, and then 2) servicing
>> +/// operations such as register reads/writes, stepping, etc.  See the comments
>> +/// on the Operation class for more info as to why this is needed.
>> +ProcessMonitor::ProcessMonitor(ProcessPOSIX *process,
>> +                               Module *module,
>> +                               const char *argv[],
>> +                               const char *envp[],
>> +                               const char *stdin_path,
>> +                               const char *stdout_path,
>> +                               const char *stderr_path,
>> +                               lldb_private::Error &error)
>> +    : m_process(static_cast<ProcessFreeBSD *>(process)),
>> +      m_operation_thread(LLDB_INVALID_HOST_THREAD),
>> +      m_monitor_thread(LLDB_INVALID_HOST_THREAD),
>> +      m_pid(LLDB_INVALID_PROCESS_ID),
>> +      m_server_mutex(Mutex::eMutexTypeRecursive),
>> +      m_terminal_fd(-1),
>> +      m_client_fd(-1),
>> +      m_server_fd(-1)
>> +{
>> +    std::auto_ptr<LaunchArgs> args;
>> +
>> +    args.reset(new LaunchArgs(this, module, argv, envp,
>> +                              stdin_path, stdout_path, stderr_path));
>> +    
>> +
>> +    // Server/client descriptors.
>> +    if (!EnableIPC())
>> +    {
>> +        error.SetErrorToGenericError();
>> +        error.SetErrorString("Monitor failed to initialize.");
>> +    }
>> +
>> +    StartLaunchOpThread(args.get(), error);
>> +    if (!error.Success())
>> +        return;
>> +
>> +WAIT_AGAIN:
>> +    // Wait for the operation thread to initialize.
>> +    if (sem_wait(&args->m_semaphore))
>> +    {
>> +        if (errno == EINTR)
>> +            goto WAIT_AGAIN;
>> +        else
>> +        {
>> +            error.SetErrorToErrno();
>> +            return;
>> +        }
>> +    }
>> +
>> +    // Check that the launch was a success.
>> +    if (!args->m_error.Success())
>> +    {
>> +        StopLaunchOpThread();
>> +        error = args->m_error;
>> +        return;
>> +    }
>> +
>> +    // Finally, start monitoring the child process for change in state.
>> +    m_monitor_thread = Host::StartMonitoringChildProcess(
>> +        ProcessMonitor::MonitorCallback, this, GetPID(), true);
>> +    if (!IS_VALID_LLDB_HOST_THREAD(m_monitor_thread))
>> +    {
>> +        error.SetErrorToGenericError();
>> +        error.SetErrorString("Process launch failed.");
>> +        return;
>> +    }
>> +}
>> +
>> +ProcessMonitor::ProcessMonitor(ProcessPOSIX *process,
>> +                               lldb::pid_t pid,
>> +                               lldb_private::Error &error)
>> +    : m_process(static_cast<ProcessFreeBSD *>(process)),
>> +      m_operation_thread(LLDB_INVALID_HOST_THREAD),
>> +      m_monitor_thread(LLDB_INVALID_HOST_THREAD),
>> +      m_pid(pid),
>> +      m_server_mutex(Mutex::eMutexTypeRecursive),
>> +      m_terminal_fd(-1),
>> +      m_client_fd(-1),
>> +      m_server_fd(-1)
>> +{
>> +    std::auto_ptr<AttachArgs> args;
>> +
>> +    args.reset(new AttachArgs(this, pid));
>> +
>> +    // Server/client descriptors.
>> +    if (!EnableIPC())
>> +    {
>> +        error.SetErrorToGenericError();
>> +        error.SetErrorString("Monitor failed to initialize.");
>> +    }
>> +
>> +    StartAttachOpThread(args.get(), error);
>> +    if (!error.Success())
>> +        return;
>> +
>> +WAIT_AGAIN:
>> +    // Wait for the operation thread to initialize.
>> +    if (sem_wait(&args->m_semaphore))
>> +    {
>> +        if (errno == EINTR)
>> +            goto WAIT_AGAIN;
>> +        else
>> +        {
>> +            error.SetErrorToErrno();
>> +            return;
>> +        }
>> +    }
>> +
>> +    // Check that the launch was a success.
>> +    if (!args->m_error.Success())
>> +    {
>> +        StopAttachOpThread();
>> +        error = args->m_error;
>> +        return;
>> +    }
>> +
>> +    // Finally, start monitoring the child process for change in state.
>> +    m_monitor_thread = Host::StartMonitoringChildProcess(
>> +        ProcessMonitor::MonitorCallback, this, GetPID(), true);
>> +    if (!IS_VALID_LLDB_HOST_THREAD(m_monitor_thread))
>> +    {
>> +        error.SetErrorToGenericError();
>> +        error.SetErrorString("Process attach failed.");
>> +        return;
>> +    }
>> +}
>> +
>> +ProcessMonitor::~ProcessMonitor()
>> +{
>> +    StopMonitor();
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +// Thread setup and tear down.
>> +void
>> +ProcessMonitor::StartLaunchOpThread(LaunchArgs *args, Error &error)
>> +{
>> +    static const char *g_thread_name = "lldb.process.freebsd.operation";
>> +
>> +    if (IS_VALID_LLDB_HOST_THREAD(m_operation_thread))
>> +        return;
>> +
>> +    m_operation_thread =
>> +        Host::ThreadCreate(g_thread_name, LaunchOpThread, args, &error);
>> +}
>> +
>> +void
>> +ProcessMonitor::StopLaunchOpThread()
>> +{
>> +    lldb::thread_result_t result;
>> +
>> +    if (!IS_VALID_LLDB_HOST_THREAD(m_operation_thread))
>> +        return;
>> +
>> +    Host::ThreadCancel(m_operation_thread, NULL);
>> +    Host::ThreadJoin(m_operation_thread, &result, NULL);
>> +}
>> +
>> +void *
>> +ProcessMonitor::LaunchOpThread(void *arg)
>> +{
>> +    LaunchArgs *args = static_cast<LaunchArgs*>(arg);
>> +
>> +    if (!Launch(args)) {
>> +        sem_post(&args->m_semaphore);
>> +        return NULL;
>> +    }
>> +
>> +    ServeOperation(args);
>> +    return NULL;
>> +}
>> +
>> +bool
>> +ProcessMonitor::Launch(LaunchArgs *args)
>> +{
>> +    ProcessMonitor *monitor = args->m_monitor;
>> +    ProcessFreeBSD &process = monitor->GetProcess();
>> +    const char **argv = args->m_argv;
>> +    const char **envp = args->m_envp;
>> +    const char *stdin_path = args->m_stdin_path;
>> +    const char *stdout_path = args->m_stdout_path;
>> +    const char *stderr_path = args->m_stderr_path;
>> +    lldb::pid_t pid;
>> +
>> +    lldb::ThreadSP inferior;
>> +
>> +    // Propagate the environment if one is not supplied.
>> +    if (envp == NULL || envp[0] == NULL)
>> +        envp = const_cast<const char **>(environ);
>> +
>> +    // Recognized child exit status codes.
>> +    enum {
>> +        ePtraceFailed = 1,
>> +        eDupStdinFailed,
>> +        eDupStdoutFailed,
>> +        eDupStderrFailed,
>> +        eExecFailed
>> +    };
>> +
>> +    pid = fork();
>> +
>> +    // Child process.
>> +    if (pid == 0)
>> +    {
>> +        // Trace this process.
>> +        if (PTRACE(PT_TRACE_ME, 0, NULL, 0) < 0)
>> +            exit(ePtraceFailed);
>> +
>> +        // Do not inherit setgid powers.
>> +        setgid(getgid());
>> +
>> +        // Let us have our own process group.
>> +        setpgid(0, 0);
>> +
>> +        // Dup file descriptors if needed.
>> +        //
>> +        // FIXME: If two or more of the paths are the same we needlessly open
>> +        // the same file multiple times.
>> +        if (stdin_path != NULL && stdin_path[0])
>> +            if (!DupDescriptor(stdin_path, STDIN_FILENO, O_RDONLY))
>> +                exit(eDupStdinFailed);
>> +
>> +        if (stdout_path != NULL && stdout_path[0])
>> +            if (!DupDescriptor(stdout_path, STDOUT_FILENO, O_WRONLY | O_CREAT))
>> +                exit(eDupStdoutFailed);
>> +
>> +        if (stderr_path != NULL && stderr_path[0])
>> +            if (!DupDescriptor(stderr_path, STDERR_FILENO, O_WRONLY | O_CREAT))
>> +                exit(eDupStderrFailed);
>> +
>> +        // Execute.  We should never return.
>> +        execve(argv[0],
>> +               const_cast<char *const *>(argv),
>> +               const_cast<char *const *>(envp));
>> +        exit(eExecFailed);
>> +    }
>> +
>> +    // Wait for the child process to to trap on its call to execve.
>> +    ::pid_t wpid;
>> +    int status;
>> +    if ((wpid = waitpid(pid, &status, 0)) < 0)
>> +    {
>> +        args->m_error.SetErrorToErrno();
>> +        goto FINISH;
>> +    }
>> +    else if (WIFEXITED(status))
>> +    {
>> +        // open, dup or execve likely failed for some reason.
>> +        args->m_error.SetErrorToGenericError();
>> +        switch (WEXITSTATUS(status))
>> +        {
>> +            case ePtraceFailed: 
>> +                args->m_error.SetErrorString("Child ptrace failed.");
>> +                break;
>> +            case eDupStdinFailed: 
>> +                args->m_error.SetErrorString("Child open stdin failed.");
>> +                break;
>> +            case eDupStdoutFailed: 
>> +                args->m_error.SetErrorString("Child open stdout failed.");
>> +                break;
>> +            case eDupStderrFailed: 
>> +                args->m_error.SetErrorString("Child open stderr failed.");
>> +                break;
>> +            case eExecFailed: 
>> +                args->m_error.SetErrorString("Child exec failed.");
>> +                break;
>> +            default: 
>> +                args->m_error.SetErrorString("Child returned unknown exit status.");
>> +                break;
>> +        }
>> +        goto FINISH;
>> +    }
>> +    assert(WIFSTOPPED(status) && wpid == pid &&
>> +           "Could not sync with inferior process.");
>> +
>> +#ifdef notyet
>> +    // Have the child raise an event on exit.  This is used to keep the child in
>> +    // limbo until it is destroyed.
>> +    if (PTRACE(PTRACE_SETOPTIONS, pid, NULL, PTRACE_O_TRACEEXIT) < 0)
>> +    {
>> +        args->m_error.SetErrorToErrno();
>> +        goto FINISH;
>> +    }
>> +#endif
>> +    // XXX - Release the master terminal descriptor and pass it off to the
>> +    // XXX - ProcessMonitor instance.  Similarly stash the inferior pid.
>> +    // For now just use stdin fd
>> +    monitor->m_terminal_fd = STDIN_FILENO;
>> +    monitor->m_pid = pid;
>> +
>> +    // Set the terminal fd to be in non blocking mode (it simplifies the
>> +    // implementation of ProcessFreeBSD::GetSTDOUT to have a non-blocking
>> +    // descriptor to read from).
>> +    if (!EnsureFDFlags(monitor->m_terminal_fd, O_NONBLOCK, args->m_error))
>> +        goto FINISH;
>> +
>> +    // Update the process thread list with this new thread.
>> +    inferior.reset(new POSIXThread(process, pid));
>> +    process.GetThreadList().AddThread(inferior);
>> +
>> +    // Let our process instance know the thread has stopped.
>> +    process.SendMessage(ProcessMessage::Trace(pid));
>> +
>> +FINISH:
>> +    return args->m_error.Success();
>> +}
>> +
>> +bool
>> +ProcessMonitor::EnableIPC()
>> +{
>> +    int fd[2];
>> +
>> +    if (socketpair(AF_UNIX, SOCK_STREAM, 0, fd))
>> +        return false;
>> +
>> +    m_client_fd = fd[0];
>> +    m_server_fd = fd[1];
>> +    return true;
>> +}
>> +
>> +void
>> +ProcessMonitor::StartAttachOpThread(AttachArgs *args, lldb_private::Error &error)
>> +{
>> +    static const char *g_thread_name = "lldb.process.freebsd.operation";
>> +
>> +    if (IS_VALID_LLDB_HOST_THREAD(m_operation_thread))
>> +        return;
>> +
>> +    m_operation_thread =
>> +        Host::ThreadCreate(g_thread_name, AttachOpThread, args, &error);
>> +}
>> +
>> +void
>> +ProcessMonitor::StopAttachOpThread()
>> +{
>> +    assert(!"Not implemented yet!!!");
>> +}
>> +
>> +void *
>> +ProcessMonitor::AttachOpThread(void *arg)
>> +{
>> +    AttachArgs *args = static_cast<AttachArgs*>(arg);
>> +
>> +    if (!Attach(args))
>> +        return NULL;
>> +
>> +    ServeOperation(args);
>> +    return NULL;
>> +}
>> +
>> +bool
>> +ProcessMonitor::Attach(AttachArgs *args)
>> +{
>> +    lldb::pid_t pid = args->m_pid;
>> +
>> +    ProcessMonitor *monitor = args->m_monitor;
>> +    ProcessFreeBSD &process = monitor->GetProcess();
>> +    ThreadList &tl = process.GetThreadList();
>> +    lldb::ThreadSP inferior;
>> +
>> +    if (pid <= 1)
>> +    {
>> +        args->m_error.SetErrorToGenericError();
>> +        args->m_error.SetErrorString("Attaching to process 1 is not allowed.");
>> +        goto FINISH;
>> +    }
>> +
>> +    // Attach to the requested process.
>> +    if (PTRACE(PT_ATTACH, pid, NULL, 0) < 0)
>> +    {
>> +        args->m_error.SetErrorToErrno();
>> +        goto FINISH;
>> +    }
>> +
>> +    int status;
>> +    if ((status = waitpid(pid, NULL, 0)) < 0)
>> +    {
>> +        args->m_error.SetErrorToErrno();
>> +        goto FINISH;
>> +    }
>> +
>> +    // Update the process thread list with the attached thread.
>> +    inferior.reset(new POSIXThread(process, pid));
>> +    tl.AddThread(inferior);
>> +
>> +    // Let our process instance know the thread has stopped.
>> +    process.SendMessage(ProcessMessage::Trace(pid));
>> +
>> + FINISH:
>> +    return args->m_error.Success();
>> +}
>> +
>> +bool
>> +ProcessMonitor::MonitorCallback(void *callback_baton,
>> +                                lldb::pid_t pid,
>> +                                bool exited,
>> +                                int signal,
>> +                                int status)
>> +{
>> +    ProcessMessage message;
>> +    ProcessMonitor *monitor = static_cast<ProcessMonitor*>(callback_baton);
>> +    ProcessFreeBSD *process = monitor->m_process;
>> +    bool stop_monitoring;
>> +    siginfo_t info;
>> +
>> +    if (!monitor->GetSignalInfo(pid, &info))
>> +        stop_monitoring = true; // pid is gone.  Bail.
>> +    else {
>> +        switch (info.si_signo)
>> +        {
>> +        case SIGTRAP:
>> +            message = MonitorSIGTRAP(monitor, &info, pid);
>> +            break;
>> +            
>> +        default:
>> +            message = MonitorSignal(monitor, &info, pid);
>> +            break;
>> +        }
>> +
>> +        process->SendMessage(message);
>> +        stop_monitoring = message.GetKind() == ProcessMessage::eExitMessage;
>> +    }
>> +
>> +    return stop_monitoring;
>> +}
>> +
>> +ProcessMessage
>> +ProcessMonitor::MonitorSIGTRAP(ProcessMonitor *monitor,
>> +                               const siginfo_t *info, lldb::pid_t pid)
>> +{
>> +    ProcessMessage message;
>> +
>> +    assert(info->si_signo == SIGTRAP && "Unexpected child signal!");
>> +
>> +    switch (info->si_code)
>> +    {
>> +    default:
>> +        assert(false && "Unexpected SIGTRAP code!");
>> +        break;
>> +
>> +    case (SIGTRAP /* | (PTRACE_EVENT_EXIT << 8) */):
>> +    {
>> +        // The inferior process is about to exit.  Maintain the process in a
>> +        // state of "limbo" until we are explicitly commanded to detach,
>> +        // destroy, resume, etc.
>> +        unsigned long data = 0;
>> +        if (!monitor->GetEventMessage(pid, &data))
>> +            data = -1;
>> +        message = ProcessMessage::Limbo(pid, (data >> 8));
>> +        break;
>> +    }
>> +
>> +    case 0:
>> +    case TRAP_TRACE:
>> +        message = ProcessMessage::Trace(pid);
>> +        break;
>> +
>> +    case SI_KERNEL:
>> +    case TRAP_BRKPT:
>> +        message = ProcessMessage::Break(pid);
>> +        break;
>> +    }
>> +
>> +    return message;
>> +}
>> +
>> +ProcessMessage
>> +ProcessMonitor::MonitorSignal(ProcessMonitor *monitor,
>> +                              const siginfo_t *info, lldb::pid_t pid)
>> +{
>> +    ProcessMessage message;
>> +    int signo = info->si_signo;
>> +
>> +    // POSIX says that process behaviour is undefined after it ignores a SIGFPE,
>> +    // SIGILL, SIGSEGV, or SIGBUS *unless* that signal was generated by a
>> +    // kill(2) or raise(3).  Similarly for tgkill(2) on FreeBSD.
>> +    //
>> +    // IOW, user generated signals never generate what we consider to be a
>> +    // "crash".
>> +    //
>> +    // Similarly, ACK signals generated by this monitor.
>> +    if (info->si_code == SI_USER)
>> +    {
>> +        if (info->si_pid == getpid())
>> +            return ProcessMessage::SignalDelivered(pid, signo);
>> +        else
>> +            return ProcessMessage::Signal(pid, signo);
>> +    }
>> +
>> +    if (signo == SIGSEGV) {
>> +        lldb::addr_t fault_addr = reinterpret_cast<lldb::addr_t>(info->si_addr);
>> +        ProcessMessage::CrashReason reason = GetCrashReasonForSIGSEGV(info);
>> +        return ProcessMessage::Crash(pid, reason, signo, fault_addr);
>> +    }
>> +
>> +    if (signo == SIGILL) {
>> +        lldb::addr_t fault_addr = reinterpret_cast<lldb::addr_t>(info->si_addr);
>> +        ProcessMessage::CrashReason reason = GetCrashReasonForSIGILL(info);
>> +        return ProcessMessage::Crash(pid, reason, signo, fault_addr);
>> +    }
>> +
>> +    if (signo == SIGFPE) {
>> +        lldb::addr_t fault_addr = reinterpret_cast<lldb::addr_t>(info->si_addr);
>> +        ProcessMessage::CrashReason reason = GetCrashReasonForSIGFPE(info);
>> +        return ProcessMessage::Crash(pid, reason, signo, fault_addr);
>> +    }
>> +
>> +    if (signo == SIGBUS) {
>> +        lldb::addr_t fault_addr = reinterpret_cast<lldb::addr_t>(info->si_addr);
>> +        ProcessMessage::CrashReason reason = GetCrashReasonForSIGBUS(info);
>> +        return ProcessMessage::Crash(pid, reason, signo, fault_addr);
>> +    }
>> +
>> +    // Everything else is "normal" and does not require any special action on
>> +    // our part.
>> +    return ProcessMessage::Signal(pid, signo);
>> +}
>> +
>> +ProcessMessage::CrashReason
>> +ProcessMonitor::GetCrashReasonForSIGSEGV(const siginfo_t *info)
>> +{
>> +    ProcessMessage::CrashReason reason;
>> +    assert(info->si_signo == SIGSEGV);
>> +
>> +    reason = ProcessMessage::eInvalidCrashReason;
>> +
>> +    switch (info->si_code) 
>> +    {
>> +    default:
>> +        assert(false && "unexpected si_code for SIGSEGV");
>> +        break;
>> +    case SEGV_MAPERR:
>> +        reason = ProcessMessage::eInvalidAddress;
>> +        break;
>> +    case SEGV_ACCERR:
>> +        reason = ProcessMessage::ePrivilegedAddress;
>> +        break;
>> +    }
>> +        
>> +    return reason;
>> +}
>> +
>> +ProcessMessage::CrashReason
>> +ProcessMonitor::GetCrashReasonForSIGILL(const siginfo_t *info)
>> +{
>> +    ProcessMessage::CrashReason reason;
>> +    assert(info->si_signo == SIGILL);
>> +
>> +    reason = ProcessMessage::eInvalidCrashReason;
>> +
>> +    switch (info->si_code)
>> +    {
>> +    default:
>> +        assert(false && "unexpected si_code for SIGILL");
>> +        break;
>> +    case ILL_ILLOPC:
>> +        reason = ProcessMessage::eIllegalOpcode;
>> +        break;
>> +    case ILL_ILLOPN:
>> +        reason = ProcessMessage::eIllegalOperand;
>> +        break;
>> +    case ILL_ILLADR:
>> +        reason = ProcessMessage::eIllegalAddressingMode;
>> +        break;
>> +    case ILL_ILLTRP:
>> +        reason = ProcessMessage::eIllegalTrap;
>> +        break;
>> +    case ILL_PRVOPC:
>> +        reason = ProcessMessage::ePrivilegedOpcode;
>> +        break;
>> +    case ILL_PRVREG:
>> +        reason = ProcessMessage::ePrivilegedRegister;
>> +        break;
>> +    case ILL_COPROC:
>> +        reason = ProcessMessage::eCoprocessorError;
>> +        break;
>> +    case ILL_BADSTK:
>> +        reason = ProcessMessage::eInternalStackError;
>> +        break;
>> +    }
>> +
>> +    return reason;
>> +}
>> +
>> +ProcessMessage::CrashReason
>> +ProcessMonitor::GetCrashReasonForSIGFPE(const siginfo_t *info)
>> +{
>> +    ProcessMessage::CrashReason reason;
>> +    assert(info->si_signo == SIGFPE);
>> +
>> +    reason = ProcessMessage::eInvalidCrashReason;
>> +
>> +    switch (info->si_code)
>> +    {
>> +    default:
>> +        assert(false && "unexpected si_code for SIGFPE");
>> +        break;
>> +    case FPE_INTDIV:
>> +        reason = ProcessMessage::eIntegerDivideByZero;
>> +        break;
>> +    case FPE_INTOVF:
>> +        reason = ProcessMessage::eIntegerOverflow;
>> +        break;
>> +    case FPE_FLTDIV:
>> +        reason = ProcessMessage::eFloatDivideByZero;
>> +        break;
>> +    case FPE_FLTOVF:
>> +        reason = ProcessMessage::eFloatOverflow;
>> +        break;
>> +    case FPE_FLTUND:
>> +        reason = ProcessMessage::eFloatUnderflow;
>> +        break;
>> +    case FPE_FLTRES:
>> +        reason = ProcessMessage::eFloatInexactResult;
>> +        break;
>> +    case FPE_FLTINV:
>> +        reason = ProcessMessage::eFloatInvalidOperation;
>> +        break;
>> +    case FPE_FLTSUB:
>> +        reason = ProcessMessage::eFloatSubscriptRange;
>> +        break;
>> +    }
>> +
>> +    return reason;
>> +}
>> +
>> +ProcessMessage::CrashReason
>> +ProcessMonitor::GetCrashReasonForSIGBUS(const siginfo_t *info)
>> +{
>> +    ProcessMessage::CrashReason reason;
>> +    assert(info->si_signo == SIGBUS);
>> +
>> +    reason = ProcessMessage::eInvalidCrashReason;
>> +
>> +    switch (info->si_code)
>> +    {
>> +    default:
>> +        assert(false && "unexpected si_code for SIGBUS");
>> +        break;
>> +    case BUS_ADRALN:
>> +        reason = ProcessMessage::eIllegalAlignment;
>> +        break;
>> +    case BUS_ADRERR:
>> +        reason = ProcessMessage::eIllegalAddress;
>> +        break;
>> +    case BUS_OBJERR:
>> +        reason = ProcessMessage::eHardwareError;
>> +        break;
>> +    }
>> +
>> +    return reason;
>> +}
>> +
>> +void
>> +ProcessMonitor::ServeOperation(OperationArgs *args)
>> +{
>> +    int status;
>> +    pollfd fdset;
>> +
>> +    ProcessMonitor *monitor = args->m_monitor;
>> +
>> +    fdset.fd = monitor->m_server_fd;
>> +    fdset.events = POLLIN | POLLPRI;
>> +    fdset.revents = 0;
>> +
>> +    // We are finised with the arguments and are ready to go.  Sync with the
>> +    // parent thread and start serving operations on the inferior.
>> +    sem_post(&args->m_semaphore);
>> +
>> +    for (;;)
>> +    {
>> +        if ((status = poll(&fdset, 1, -1)) < 0)
>> +        {
>> +            switch (errno)
>> +            {
>> +            default:
>> +                assert(false && "Unexpected poll() failure!");
>> +                continue;
>> +
>> +            case EINTR: continue; // Just poll again.
>> +            case EBADF: return;   // Connection terminated.
>> +            }
>> +        }
>> +
>> +        assert(status == 1 && "Too many descriptors!");
>> +
>> +        if (fdset.revents & POLLIN)
>> +        {
>> +            Operation *op = NULL;
>> +
>> +        READ_AGAIN:
>> +            if ((status = read(fdset.fd, &op, sizeof(op))) < 0)
>> +            {
>> +                // There is only one acceptable failure.
>> +                assert(errno == EINTR);
>> +                goto READ_AGAIN;
>> +            }
>> +
>> +            assert(status == sizeof(op));
>> +            op->Execute(monitor);
>> +            write(fdset.fd, &op, sizeof(op));
>> +        }
>> +    }
>> +}
>> +
>> +void
>> +ProcessMonitor::DoOperation(Operation *op)
>> +{
>> +    int status;
>> +    Operation *ack = NULL;
>> +    Mutex::Locker lock(m_server_mutex);
>> +
>> +    // FIXME: Do proper error checking here.
>> +    write(m_client_fd, &op, sizeof(op));
>> +
>> +READ_AGAIN:
>> +    if ((status = read(m_client_fd, &ack, sizeof(ack))) < 0)
>> +    {
>> +        // If interrupted by a signal handler try again.  Otherwise the monitor
>> +        // thread probably died and we have a stale file descriptor -- abort the
>> +        // operation.
>> +        if (errno == EINTR)
>> +            goto READ_AGAIN;
>> +        return;
>> +    }
>> +
>> +    assert(status == sizeof(ack));
>> +    assert(ack == op && "Invalid monitor thread response!");
>> +}
>> +
>> +size_t
>> +ProcessMonitor::ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
>> +                           Error &error)
>> +{
>> +    size_t result;
>> +    ReadOperation op(vm_addr, buf, size, error, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +size_t
>> +ProcessMonitor::WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size,
>> +                            lldb_private::Error &error)
>> +{
>> +    size_t result;
>> +    WriteOperation op(vm_addr, buf, size, error, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::ReadRegisterValue(unsigned offset, unsigned size, RegisterValue &value)
>> +{
>> +    bool result;
>> +    ReadRegOperation op(offset, size, value, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::WriteRegisterValue(unsigned offset, const RegisterValue &value)
>> +{
>> +    bool result;
>> +    WriteRegOperation op(offset, value, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::ReadGPR(void *buf)
>> +{
>> +    bool result;
>> +    ReadGPROperation op(buf, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::ReadFPR(void *buf)
>> +{
>> +    bool result;
>> +    ReadFPROperation op(buf, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::WriteGPR(void *buf)
>> +{
>> +    bool result;
>> +    WriteGPROperation op(buf, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::WriteFPR(void *buf)
>> +{
>> +    bool result;
>> +    WriteFPROperation op(buf, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::Resume(lldb::tid_t tid, uint32_t signo)
>> +{
>> +    bool result;
>> +    ResumeOperation op(tid, signo, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::SingleStep(lldb::tid_t tid, uint32_t signo)
>> +{
>> +    bool result;
>> +    SingleStepOperation op(tid, signo, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::BringProcessIntoLimbo()
>> +{
>> +    bool result;
>> +    KillOperation op(result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::GetSignalInfo(lldb::tid_t tid, void *siginfo)
>> +{
>> +    bool result;
>> +    SiginfoOperation op(tid, siginfo, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +bool
>> +ProcessMonitor::GetEventMessage(lldb::tid_t tid, unsigned long *message)
>> +{
>> +    bool result;
>> +    EventMessageOperation op(tid, message, result);
>> +    DoOperation(&op);
>> +    return result;
>> +}
>> +
>> +Error
>> +ProcessMonitor::Detach()
>> +{
>> +    Error result;
>> +    DetachOperation op(result);
>> +    DoOperation(&op);
>> +    StopMonitor();
>> +    return result;
>> +}    
>> +
>> +bool
>> +ProcessMonitor::DupDescriptor(const char *path, int fd, int flags)
>> +{
>> +    int target_fd = open(path, flags, 0666);
>> +
>> +    if (target_fd == -1)
>> +        return false;
>> +
>> +    return (dup2(target_fd, fd) == -1) ? false : true;
>> +}
>> +
>> +void
>> +ProcessMonitor::StopMonitoringChildProcess()
>> +{
>> +    lldb::thread_result_t thread_result;
>> +
>> +    if (IS_VALID_LLDB_HOST_THREAD(m_monitor_thread))
>> +    {
>> +        Host::ThreadCancel(m_monitor_thread, NULL);
>> +        Host::ThreadJoin(m_monitor_thread, &thread_result, NULL);
>> +        m_monitor_thread = LLDB_INVALID_HOST_THREAD;
>> +    }
>> +}
>> +
>> +void
>> +ProcessMonitor::StopMonitor()
>> +{
>> +    StopMonitoringChildProcess();
>> +    StopLaunchOpThread();
>> +    CloseFD(m_terminal_fd);
>> +    CloseFD(m_client_fd);
>> +    CloseFD(m_server_fd);
>> +}
>> +
>> +void
>> +ProcessMonitor::CloseFD(int &fd)
>> +{
>> +    if (fd != -1)
>> +    {
>> +        close(fd);
>> +        fd = -1;
>> +    }
>> +}
>> Index: source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h
>> ===================================================================
>> --- source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h	(revision 0)
>> +++ source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h	(revision 0)
>> @@ -0,0 +1,43 @@
>> +//===-- RegisterContextFreeBSD_x86_64.h ---------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_RegisterContextFreeBSD_x86_64_H_
>> +#define liblldb_RegisterContextFreeBSD_x86_64_H_
>> +
>> +    typedef struct _GPR
>> +    {
>> +        uint64_t r15;
>> +        uint64_t r14;
>> +        uint64_t r13;
>> +        uint64_t r12;
>> +        uint64_t r11;
>> +        uint64_t r10;
>> +        uint64_t r9;
>> +        uint64_t r8;
>> +        uint64_t rdi;
>> +        uint64_t rsi;
>> +        uint64_t rbp;
>> +        uint64_t rbx;
>> +        uint64_t rdx;
>> +        uint64_t rcx;
>> +        uint64_t rax;
>> +        uint32_t trapno;
>> +        uint16_t fs;
>> +        uint16_t gs;
>> +        uint32_t err;
>> +        uint16_t es;
>> +        uint16_t ds;
>> +        uint64_t rip;
>> +        uint64_t cs;
>> +        uint64_t rflags;
>> +        uint64_t rsp;
>> +        uint64_t ss;
>> +    } GPR;
>> +
>> +#endif
>> Index: source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp
>> ===================================================================
>> --- source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp	(revision 0)
>> +++ source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp	(revision 0)
>> @@ -0,0 +1,136 @@
>> +//===-- ProcessFreeBSD.cpp ----------------------------------------*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +// C Includes
>> +#include <errno.h>
>> +
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/Core/PluginManager.h"
>> +#include "lldb/Core/State.h"
>> +#include "lldb/Host/Host.h"
>> +#include "lldb/Symbol/ObjectFile.h"
>> +#include "lldb/Target/DynamicLoader.h"
>> +#include "lldb/Target/Target.h"
>> +
>> +#include "ProcessFreeBSD.h"
>> +#include "ProcessPOSIXLog.h"
>> +#include "Plugins/Process/Utility/InferiorCallPOSIX.h"
>> +#include "ProcessMonitor.h"
>> +#include "POSIXThread.h"
>> +
>> +using namespace lldb;
>> +using namespace lldb_private;
>> +
>> +//------------------------------------------------------------------------------
>> +// Static functions.
>> +
>> +Process*
>> +ProcessFreeBSD::CreateInstance(Target& target, Listener &listener)
>> +{
>> +    return new ProcessFreeBSD(target, listener);
>> +}
>> +
>> +void
>> +ProcessFreeBSD::Initialize()
>> +{
>> +    static bool g_initialized = false;
>> +
>> +    if (!g_initialized)
>> +    {
>> +        PluginManager::RegisterPlugin(GetPluginNameStatic(),
>> +                                      GetPluginDescriptionStatic(),
>> +                                      CreateInstance);
>> +        Log::Callbacks log_callbacks = {
>> +            ProcessPOSIXLog::DisableLog,
>> +            ProcessPOSIXLog::EnableLog,
>> +            ProcessPOSIXLog::ListLogCategories
>> +        };
>> +
>> +        Log::RegisterLogChannel (ProcessFreeBSD::GetPluginNameStatic(), log_callbacks);
>> +        ProcessPOSIXLog::RegisterPluginName(GetPluginNameStatic());
>> +        g_initialized = true;
>> +    }
>> +}
>> +
>> +const char *
>> +ProcessFreeBSD::GetPluginNameStatic()
>> +{
>> +    return "freebsd";
>> +}
>> +
>> +const char *
>> +ProcessFreeBSD::GetPluginDescriptionStatic()
>> +{
>> +    return "Process plugin for FreeBSD";
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +// ProcessInterface protocol.
>> +
>> +const char *
>> +ProcessFreeBSD::GetPluginName()
>> +{
>> +    return "process.freebsd";
>> +}
>> +
>> +const char *
>> +ProcessFreeBSD::GetShortPluginName()
>> +{
>> +    return "process.freebsd";
>> +}
>> +
>> +uint32_t
>> +ProcessFreeBSD::GetPluginVersion()
>> +{
>> +    return 1;
>> +}
>> +
>> +void
>> +ProcessFreeBSD::GetPluginCommandHelp(const char *command, Stream *strm)
>> +{
>> +}
>> +
>> +Error
>> +ProcessFreeBSD::ExecutePluginCommand(Args &command, Stream *strm)
>> +{
>> +    return Error(1, eErrorTypeGeneric);
>> +}
>> +
>> +Log *
>> +ProcessFreeBSD::EnablePluginLogging(Stream *strm, Args &command)
>> +{
>> +    return NULL;
>> +}
>> +
>> +//------------------------------------------------------------------------------
>> +// Constructors and destructors.
>> +
>> +ProcessFreeBSD::ProcessFreeBSD(Target& target, Listener &listener)
>> +    : ProcessPOSIX(target, listener)
>> +{
>> +    // FIXME: Putting this code in the ctor and saving the byte order in a
>> +    // member variable is a hack to avoid const qual issues in GetByteOrder.
>> +    ObjectFile *obj_file = GetTarget().GetExecutableModule()->GetObjectFile();
>> +    m_byte_order = obj_file->GetByteOrder();
>> +}
>> +
>> +void
>> +ProcessFreeBSD::Terminate()
>> +{
>> +}
>> +
>> +uint32_t
>> +ProcessFreeBSD::UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list)
>> +{
>> +    // XXX haxx
>> +    new_thread_list = old_thread_list;
>> +  
>> +    return 0;
>> +}
>> Index: source/Plugins/Process/FreeBSD/ProcessMonitor.h
>> ===================================================================
>> --- source/Plugins/Process/FreeBSD/ProcessMonitor.h	(revision 0)
>> +++ source/Plugins/Process/FreeBSD/ProcessMonitor.h	(revision 0)
>> @@ -0,0 +1,292 @@
>> +//===-- ProcessMonitor.h -------------------------------------- -*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef liblldb_ProcessMonitor_H_
>> +#define liblldb_ProcessMonitor_H_
>> +
>> +// C Includes
>> +#include <semaphore.h>
>> +#include <signal.h>
>> +
>> +// C++ Includes
>> +// Other libraries and framework includes
>> +#include "lldb/lldb-types.h"
>> +#include "lldb/Host/Mutex.h"
>> +
>> +namespace lldb_private
>> +{
>> +class Error;
>> +class Module;
>> +class Scalar;
>> +} // End lldb_private namespace.
>> +
>> +class ProcessFreeBSD;
>> +class Operation;
>> +
>> +/// @class ProcessMonitor
>> +/// @brief Manages communication with the inferior (debugee) process.
>> +///
>> +/// Upon construction, this class prepares and launches an inferior process for
>> +/// debugging.
>> +///
>> +/// Changes in the inferior process state are propagated to the associated
>> +/// ProcessFreeBSD instance by calling ProcessFreeBSD::SendMessage with the
>> +/// appropriate ProcessMessage events.
>> +///
>> +/// A purposely minimal set of operations are provided to interrogate and change
>> +/// the inferior process state.
>> +class ProcessMonitor
>> +{
>> +public:
>> +
>> +    /// Launches an inferior process ready for debugging.  Forms the
>> +    /// implementation of Process::DoLaunch.
>> +    ProcessMonitor(ProcessPOSIX *process,
>> +                   lldb_private::Module *module,
>> +                   char const *argv[],
>> +                   char const *envp[],
>> +                   const char *stdin_path,
>> +                   const char *stdout_path,
>> +                   const char *stderr_path,
>> +                   lldb_private::Error &error);
>> +
>> +    ProcessMonitor(ProcessPOSIX *process,
>> +                   lldb::pid_t pid,
>> +                   lldb_private::Error &error);
>> +
>> +    ~ProcessMonitor();
>> +
>> +    /// Provides the process number of debugee.
>> +    lldb::pid_t
>> +    GetPID() const { return m_pid; }
>> +
>> +    /// Returns the process associated with this ProcessMonitor.
>> +    ProcessFreeBSD &
>> +    GetProcess() { return *m_process; }
>> +
>> +    /// Returns a file descriptor to the controlling terminal of the inferior
>> +    /// process.
>> +    ///
>> +    /// Reads from this file descriptor yield both the standard output and
>> +    /// standard error of this debugee.  Even if stderr and stdout were
>> +    /// redirected on launch it may still happen that data is available on this
>> +    /// descriptor (if the inferior process opens /dev/tty, for example).
>> +    ///
>> +    /// If this monitor was attached to an existing process this method returns
>> +    /// -1.
>> +    int
>> +    GetTerminalFD() const { return m_terminal_fd; }
>> +
>> +    /// Reads @p size bytes from address @vm_adder in the inferior process
>> +    /// address space.
>> +    ///
>> +    /// This method is provided to implement Process::DoReadMemory.
>> +    size_t
>> +    ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
>> +               lldb_private::Error &error);
>> +
>> +    /// Writes @p size bytes from address @p vm_adder in the inferior process
>> +    /// address space.
>> +    ///
>> +    /// This method is provided to implement Process::DoWriteMemory.
>> +    size_t
>> +    WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size,
>> +                lldb_private::Error &error);
>> +
>> +    /// Reads the contents from the register identified by the given (architecture
>> +    /// dependent) offset.
>> +    ///
>> +    /// This method is provided for use by RegisterContextFreeBSD derivatives.
>> +    bool
>> +    ReadRegisterValue(unsigned offset, unsigned size, lldb_private::RegisterValue &value);
>> +
>> +    /// Writes the given value to the register identified by the given
>> +    /// (architecture dependent) offset.
>> +    ///
>> +    /// This method is provided for use by RegisterContextFreeBSD derivatives.
>> +    bool
>> +    WriteRegisterValue(unsigned offset, const lldb_private::RegisterValue &value);
>> +
>> +    /// Reads all general purpose registers into the specified buffer.
>> +    bool
>> +    ReadGPR(void *buf);
>> +
>> +    /// Reads all floating point registers into the specified buffer.
>> +    bool
>> +    ReadFPR(void *buf);
>> +
>> +    /// Writes all general purpose registers into the specified buffer.
>> +    bool
>> +    WriteGPR(void *buf);
>> +
>> +    /// Writes all floating point registers into the specified buffer.
>> +    bool
>> +    WriteFPR(void *buf);
>> +
>> +    /// Writes a siginfo_t structure corresponding to the given thread ID to the
>> +    /// memory region pointed to by @p siginfo.
>> +    bool
>> +    GetSignalInfo(lldb::tid_t tid, void *siginfo);
>> +
>> +    /// Writes the raw event message code (vis-a-vis PTRACE_GETEVENTMSG)
>> +    /// corresponding to the given thread IDto the memory pointed to by @p
>> +    /// message.
>> +    bool
>> +    GetEventMessage(lldb::tid_t tid, unsigned long *message);
>> +
>> +    /// Resumes the given thread.  If @p signo is anything but
>> +    /// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.
>> +    bool
>> +    Resume(lldb::tid_t tid, uint32_t signo);
>> +
>> +    /// Single steps the given thread.  If @p signo is anything but
>> +    /// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.
>> +    bool
>> +    SingleStep(lldb::tid_t tid, uint32_t signo);
>> +
>> +    /// Sends the inferior process a PTRACE_KILL signal.  The inferior will
>> +    /// still exists and can be interrogated.  Once resumed it will exit as
>> +    /// though it received a SIGKILL.
>> +    bool
>> +    BringProcessIntoLimbo();
>> +
>> +    lldb_private::Error
>> +    Detach();
>> +
>> +
>> +private:
>> +    ProcessFreeBSD *m_process;
>> +
>> +    lldb::thread_t m_operation_thread;
>> +    lldb::thread_t m_monitor_thread;
>> +    lldb::pid_t m_pid;
>> +
>> +
>> +    lldb_private::Mutex m_server_mutex;
>> +    int m_terminal_fd;
>> +    int m_client_fd;
>> +    int m_server_fd;
>> +
>> +    struct OperationArgs
>> +    {
>> +        OperationArgs(ProcessMonitor *monitor);
>> +
>> +        ~OperationArgs();
>> +
>> +        ProcessMonitor *m_monitor;      // The monitor performing the attach.
>> +        sem_t m_semaphore;              // Posted to once operation complete.
>> +        lldb_private::Error m_error;    // Set if process operation failed.
>> +    };
>> +
>> +    /// @class LauchArgs
>> +    ///
>> +    /// @brief Simple structure to pass data to the thread responsible for
>> +    /// launching a child process.
>> +    struct LaunchArgs : OperationArgs
>> +    {
>> +        LaunchArgs(ProcessMonitor *monitor,
>> +                   lldb_private::Module *module,
>> +                   char const **argv,
>> +                   char const **envp,
>> +                   const char *stdin_path,
>> +                   const char *stdout_path,
>> +                   const char *stderr_path);
>> +
>> +        ~LaunchArgs();
>> +
>> +        lldb_private::Module *m_module; // The executable image to launch.
>> +        char const **m_argv;            // Process arguments.
>> +        char const **m_envp;            // Process environment.
>> +        const char *m_stdin_path;       // Redirect stdin or NULL.
>> +        const char *m_stdout_path;      // Redirect stdout or NULL.
>> +        const char *m_stderr_path;      // Redirect stderr or NULL.
>> +    };
>> +
>> +    void
>> +    StartLaunchOpThread(LaunchArgs *args, lldb_private::Error &error);
>> +
>> +    void
>> +    StopLaunchOpThread();
>> +
>> +    static void *
>> +    LaunchOpThread(void *arg);
>> +
>> +    static bool
>> +    Launch(LaunchArgs *args);
>> +
>> +    bool
>> +    EnableIPC();
>> +
>> +    struct AttachArgs : OperationArgs
>> +    {
>> +        AttachArgs(ProcessMonitor *monitor,
>> +                   lldb::pid_t pid);
>> +
>> +        ~AttachArgs();
>> +
>> +        lldb::pid_t m_pid;              // pid of the process to be attached.
>> +    };
>> +
>> +    void
>> +    StartAttachOpThread(AttachArgs *args, lldb_private::Error &error);
>> +
>> +    void
>> +    StopAttachOpThread();
>> +
>> +    static void *
>> +    AttachOpThread(void *args);
>> +
>> +    static bool
>> +    Attach(AttachArgs *args);
>> +
>> +    static void
>> +    ServeOperation(OperationArgs *args);
>> +
>> +    static bool
>> +    DupDescriptor(const char *path, int fd, int flags);
>> +
>> +    static bool
>> +    MonitorCallback(void *callback_baton,
>> +                    lldb::pid_t pid, bool exited, int signal, int status);
>> +
>> +    static ProcessMessage
>> +    MonitorSIGTRAP(ProcessMonitor *monitor,
>> +                   const siginfo_t *info, lldb::pid_t pid);
>> +
>> +    static ProcessMessage
>> +    MonitorSignal(ProcessMonitor *monitor, 
>> +                  const siginfo_t *info, lldb::pid_t pid);
>> +
>> +    static ProcessMessage::CrashReason
>> +    GetCrashReasonForSIGSEGV(const siginfo_t *info);
>> +
>> +    static ProcessMessage::CrashReason
>> +    GetCrashReasonForSIGILL(const siginfo_t *info);
>> +
>> +    static ProcessMessage::CrashReason
>> +    GetCrashReasonForSIGFPE(const siginfo_t *info);
>> +
>> +    static ProcessMessage::CrashReason
>> +    GetCrashReasonForSIGBUS(const siginfo_t *info);
>> +
>> +    void
>> +    DoOperation(Operation *op);
>> +
>> +    /// Stops the child monitor thread.
>> +    void
>> +    StopMonitoringChildProcess();
>> +
>> +    void 
>> +    StopMonitor();
>> +
>> +    void
>> +    CloseFD(int &fd);
>> +};
>> +
>> +#endif // #ifndef liblldb_ProcessMonitor_H_
>> Index: source/Plugins/Process/FreeBSD/Makefile
>> ===================================================================
>> --- source/Plugins/Process/FreeBSD/Makefile	(revision 0)
>> +++ source/Plugins/Process/FreeBSD/Makefile	(revision 0)
>> @@ -0,0 +1,17 @@
>> +##===- source/Plugins/Process/FreeBSD/Makefile ---------------*- Makefile -*-===##
>> +# 
>> +#                     The LLVM Compiler Infrastructure
>> +#
>> +# This file is distributed under the University of Illinois Open Source
>> +# License. See LICENSE.TXT for details.
>> +# 
>> +##===----------------------------------------------------------------------===##
>> +
>> +LLDB_LEVEL := ../../../..
>> +LIBRARYNAME := lldbPluginProcessFreeBSD
>> +BUILD_ARCHIVE = 1
>> +
>> +# Extend the include path so we may locate UnwindLLDB.h
>> +CPPFLAGS += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Utility
>> +
>> +include $(LLDB_LEVEL)/Makefile
>> Index: source/Host/linux/Host.cpp
>> ===================================================================
>> --- source/Host/linux/Host.cpp	(revision 147560)
>> +++ source/Host/linux/Host.cpp	(working copy)
>> @@ -10,12 +10,20 @@
>> // C Includes
>> #include <stdio.h>
>> #include <sys/utsname.h>
>> +#include <sys/types.h>
>> +#include <sys/stat.h>
>> +#include <fcntl.h>
>> 
>> +
>> // C++ Includes
>> // Other libraries and framework includes
>> // Project includes
>> #include "lldb/Core/Error.h"
>> +#include "lldb/Target/Process.h"
>> +
>> #include "lldb/Host/Host.h"
>> +#include "lldb/Core/DataBufferHeap.h"
>> +#include "lldb/Core/DataExtractor.h"
>> 
>> using namespace lldb;
>> using namespace lldb_private;
>> @@ -43,3 +51,48 @@
>>     return error;
>> }
>> 
>> +lldb::DataBufferSP
>> +Host::GetAuxvData(lldb_private::Process *process)
>> +{
>> +    static const size_t path_size = 128;
>> +    static char path[path_size];
>> +    lldb::DataBufferSP buf_sp;
>> +
>> +    int fd;
>> +
>> +    // Ideally, we would simply create a FileSpec and call ReadFileContents.
>> +    // However, files in procfs have zero size (since they are, in general,
>> +    // dynamically generated by the kernel) which is incompatible with the
>> +    // current ReadFileContents implementation.  Therefore we simply stream the
>> +    // data into a DataBuffer ourselves.
>> +    if (snprintf(path, path_size, "/proc/%d/auxv", process->GetID()) < 0)
>> +        return buf_sp;
>> +
>> +    if ((fd = open(path, O_RDONLY, 0)) < 0)
>> +        return buf_sp;
>> +
>> +    size_t bytes_read = 0;
>> +    std::auto_ptr<DataBufferHeap> buf_ap(new DataBufferHeap(1024, 0));
>> +    for (;;) 
>> +    {
>> +        size_t avail = buf_ap->GetByteSize() - bytes_read;
>> +        ssize_t status = read(fd, buf_ap->GetBytes() + bytes_read, avail);
>> +
>> +        if (status < 0) 
>> +            break;
>> +
>> +        bytes_read += status;
>> +
>> +        if (status == 0) 
>> +        {
>> +            buf_ap->SetByteSize(bytes_read);
>> +            buf_sp.reset(buf_ap.release());
>> +            break;
>> +        }
>> +
>> +        if (avail - status == 0)
>> +            buf_ap->SetByteSize(2 * buf_ap->GetByteSize());
>> +    }
>> +
>> +    return buf_sp;
>> +}
>> Index: source/Host/freebsd/Host.cpp
>> ===================================================================
>> --- source/Host/freebsd/Host.cpp	(revision 147560)
>> +++ source/Host/freebsd/Host.cpp	(working copy)
>> @@ -9,12 +9,18 @@
>> 
>> // C Includes
>> #include <stdio.h>
>> +#include <dlfcn.h>
>> #include <execinfo.h>
>> #include <sys/types.h>
>> #include <sys/user.h>
>> #include <sys/utsname.h>
>> #include <sys/sysctl.h>
>> 
>> +#include <sys/ptrace.h>
>> +#include <sys/exec.h>
>> +#include <machine/elf.h>
>> +
>> +
>> // C++ Includes
>> // Other libraries and framework includes
>> // Project includes
>> @@ -26,15 +32,19 @@
>> #include "lldb/Core/StreamString.h"
>> #include "lldb/Target/Process.h"
>> 
>> +#include "lldb/Core/DataBufferHeap.h"
>> +#include "lldb/Core/DataExtractor.h"
>> #include "llvm/Support/Host.h"
>> 
>> +
>> extern "C" {
>> -    char **environ;
>> +    extern char **environ;
>> }
>> 
>> using namespace lldb;
>> using namespace lldb_private;
>> 
>> +
>> class FreeBSDThread
>> {
>> public:
>> @@ -77,7 +87,7 @@
>>         std::vector<void *> frame_buffer (max_frames, NULL);
>>         int count = ::backtrace (&frame_buffer[0], frame_buffer.size());
>>         ::backtrace_symbols_fd (&frame_buffer[0], count, backtrace_fd);
>> -        
>> +
>>         const off_t buffer_size = ::lseek(backtrace_fd, 0, SEEK_CUR);
>> 
>>         if (::lseek(backtrace_fd, 0, SEEK_SET) == 0)
>> @@ -101,7 +111,7 @@
>> {
>>     char *v;
>>     char **var = environ;
>> -    for (var = environ; var != NULL; ++var) {
>> +    for (; var != NULL && *var != NULL; ++var) {
>>         v = strchr(*var, (int)'-');
>>         if (v == NULL)
>>             continue;
>> @@ -168,49 +178,47 @@
>>                       ProcessInstanceInfo &process_info)
>> {
>>     if (process_info.ProcessIDIsValid()) {
>> -        int mib[3] = { CTL_KERN, KERN_PROC_ARGS, process_info.GetProcessID() };
>> +        int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_ARGS, process_info.GetProcessID() };
>> 
>>         char arg_data[8192];
>>         size_t arg_data_size = sizeof(arg_data);
>> -        if (::sysctl (mib, 3, arg_data, &arg_data_size , NULL, 0) == 0)
>> +        if (::sysctl (mib, 4, arg_data, &arg_data_size , NULL, 0) == 0)
>>         {
>>             DataExtractor data (arg_data, arg_data_size, lldb::endian::InlHostByteOrder(), sizeof(void *));
>>             uint32_t offset = 0;
>> -            uint32_t start_offset;
>> -            uint32_t argc = data.GetU32 (&offset);
>>             const char *cstr;
>> -            
>> +
>>             cstr = data.GetCStr (&offset);
>>             if (cstr)
>>             {
>>                 process_info.GetExecutableFile().SetFile(cstr, false);
>> 
>> -                if (match_info_ptr == NULL || 
>> +                if (!(match_info_ptr == NULL || 
>>                     NameMatches (process_info.GetExecutableFile().GetFilename().GetCString(),
>>                                  match_info_ptr->GetNameMatchType(),
>> -                                 match_info_ptr->GetProcessInfo().GetName()))
>> +                                 match_info_ptr->GetProcessInfo().GetName())))
>> +                    return false;
>> +
>> +                Args &proc_args = process_info.GetArguments();
>> +                while (1)
>>                 {
>> -                    // Skip NULLs
>> -                    while (1)
>> +                    const uint8_t *p = data.PeekData(offset, 1);
>> +                    while ((p != NULL) && (*p == '\0') && offset < arg_data_size)
>>                     {
>> -                        const uint8_t *p = data.PeekData(offset, 1);
>> -                        if ((p == NULL) || (*p != '\0'))
>> -                            break;
>>                         ++offset;
>> +                        p = data.PeekData(offset, 1);
>>                     }
>> -                    // Now extract all arguments
>> -                    Args &proc_args = process_info.GetArguments();
>> -                    for (int i=0; i<argc; ++i)
>> -                    {
>> -                        start_offset = offset;
>> -                        cstr = data.GetCStr(&offset);
>> -                        if (cstr)
>> -                            proc_args.AppendArgument(cstr);
>> -                    }
>> -                    return true;
>> +                    if (p == NULL || offset >= arg_data_size)
>> +                        return true;
>> +
>> +                    cstr = data.GetCStr(&offset);
>> +                    if (cstr)
>> +                        proc_args.AppendArgument(cstr);
>> +                    else
>> +                        return true;
>>                 }
>>             }
>> -        }
>> +        } 
>>     }
>>     return false;
>> }
>> @@ -219,8 +227,8 @@
>> GetFreeBSDProcessCPUType (ProcessInstanceInfo &process_info)
>> {
>>     if (process_info.ProcessIDIsValid()) {
>> -        // TODO: This
>> -        // return true;
>> +        process_info.GetArchitecture() = Host::GetArchitecture (Host::eSystemDefaultArchitecture);
>> +        return true;
>>     }
>>     process_info.GetArchitecture().Clear();
>>     return false;
>> @@ -249,7 +257,7 @@
>>                 if (proc_kinfo.ki_ngroups > 0)
>>                     process_info.SetEffectiveGroupID (proc_kinfo.ki_groups[0]);
>>                 else
>> -                    process_info.SetEffectiveGroupID (UINT32_MAX);            
>> +                    process_info.SetEffectiveGroupID (UINT32_MAX);
>>                 return true;
>>             }
>>         }
>> @@ -258,7 +266,7 @@
>>     process_info.SetUserID (UINT32_MAX);
>>     process_info.SetGroupID (UINT32_MAX);
>>     process_info.SetEffectiveUserID (UINT32_MAX);
>> -    process_info.SetEffectiveGroupID (UINT32_MAX);            
>> +    process_info.SetEffectiveGroupID (UINT32_MAX);
>>     return false;
>> }
>> 
>> @@ -275,3 +283,46 @@
>>     process_info.Clear();
>>     return false;
>> }
>> +
>> +lldb::DataBufferSP
>> +Host::GetAuxvData(lldb_private::Process *process)
>> +{
>> +   int mib[2] = { CTL_KERN, KERN_PS_STRINGS };
>> +   void *ps_strings_addr, *auxv_addr;
>> +   size_t ps_strings_size = sizeof(void *);
>> +   Elf_Auxinfo aux_info[AT_COUNT];
>> +   struct ps_strings ps_strings;
>> +   struct ptrace_io_desc pid;
>> +   DataBufferSP buf_sp;
>> +   std::auto_ptr<DataBufferHeap> buf_ap(new DataBufferHeap(1024, 0));
>> +
>> +   if (::sysctl(mib, 2, &ps_strings_addr, &ps_strings_size, NULL, 0) == 0) {
>> +           pid.piod_op = PIOD_READ_D;
>> +           pid.piod_addr = &ps_strings;
>> +           pid.piod_offs = ps_strings_addr;
>> +           pid.piod_len = sizeof(ps_strings);
>> +           if (::ptrace(PT_IO, process->GetID(), (caddr_t)&pid, NULL)) {
>> +                   perror("failed to fetch ps_strings");
>> +                   buf_ap.release();
>> +                   goto done;
>> +           }
>> +
>> +           auxv_addr = ps_strings.ps_envstr + ps_strings.ps_nenvstr + 1;
>> +
>> +           pid.piod_addr = aux_info;
>> +           pid.piod_offs = auxv_addr;
>> +           pid.piod_len = sizeof(aux_info);
>> +           if (::ptrace(PT_IO, process->GetID(), (caddr_t)&pid, NULL)) {
>> +                   perror("failed to fetch aux_info");
>> +                   buf_ap.release();
>> +                   goto done;
>> +           }
>> +           memcpy(buf_ap->GetBytes(), aux_info, pid.piod_len);
>> +           buf_sp.reset(buf_ap.release());
>> +   } else {
>> +           perror("sysctl failed on ps_strings");
>> +   }
>> +
>> +   done:
>> +   return buf_sp;
>> +}
>> Index: source/lldb.cpp
>> ===================================================================
>> --- source/lldb.cpp	(revision 147560)
>> +++ source/lldb.cpp	(working copy)
>> @@ -52,13 +52,16 @@
>> #endif
>> 
>> #if defined (__linux__)
>> -#include "Plugins/DynamicLoader/Linux-DYLD/DynamicLoaderLinuxDYLD.h"
>> +#include "Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h"
>> #include "Plugins/Platform/Linux/PlatformLinux.h"
>> #include "Plugins/Process/Linux/ProcessLinux.h"
>> #endif
>> 
>> #if defined (__FreeBSD__)
>> +#include "Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h"
>> #include "Plugins/Platform/FreeBSD/PlatformFreeBSD.h"
>> +#include "Plugins/Process/POSIX/ProcessPOSIX.h"
>> +#include "Plugins/Process/FreeBSD/ProcessFreeBSD.h"
>> #endif
>> 
>> #include "Plugins/Platform/gdb-server/PlatformRemoteGDBServer.h"
>> @@ -120,10 +123,12 @@
>>         //----------------------------------------------------------------------
>>         PlatformLinux::Initialize();
>>         ProcessLinux::Initialize();
>> -        DynamicLoaderLinuxDYLD::Initialize();
>> +        DynamicLoaderPOSIXDYLD::Initialize();
>> #endif
>> #if defined (__FreeBSD__)
>> -		PlatformFreeBSD::Initialize();
>> +        PlatformFreeBSD::Initialize();
>> +        ProcessFreeBSD::Initialize();
>> +        DynamicLoaderPOSIXDYLD::Initialize();
>> #endif
>>         //----------------------------------------------------------------------
>>         // Platform agnostic plugins
>> @@ -190,11 +195,13 @@
>> #if defined (__linux__)
>>     PlatformLinux::Terminate();
>>     ProcessLinux::Terminate();
>> -    DynamicLoaderLinuxDYLD::Terminate();
>> +    DynamicLoaderPOSIXDYLD::Terminate();
>> #endif
>> 
>> #if defined (__FreeBSD__)
>> -	PlatformFreeBSD::Terminate();
>> +    PlatformFreeBSD::Terminate();
>> +    ProcessFreeBSD::Terminate();
>> +    DynamicLoaderPOSIXDYLD::Terminate();
>> #endif
>> 
>>     DynamicLoaderStatic::Terminate();
>> Index: tools/driver/Makefile
>> ===================================================================
>> --- tools/driver/Makefile	(revision 147560)
>> +++ tools/driver/Makefile	(working copy)
>> @@ -25,7 +25,6 @@
>> 
>> ifeq ($(HOST_OS),FreeBSD)
>> 	CPP.Flags += -I/usr/include/edit #-v
>> -	LD.Flags += -lEnhancedDisassembly
>> 	LD.Flags += -Wl,-rpath,$(LibDir)
>> endif
>> 
>> Index: lib/Makefile
>> ===================================================================
>> --- lib/Makefile	(revision 147560)
>> +++ lib/Makefile	(working copy)
>> @@ -81,15 +81,19 @@
>> endif
>> 
>> ifeq ($(HOST_OS),Linux)
>> -  USEDLIBS += lldbPluginProcessLinux.a \
>> -              lldbPluginDynamicLoaderLinux.a \
>> +  USEDLIBS += lldbPluginProcessPOSIX.a \
>> +              lldbPluginProcessLinux.a \
>> +              lldbPluginDynamicLoaderPOSIX.a \
>>               lldbPluginPlatformLinux.a \
>>               lldbHostLinux.a
>> endif
>> 
>> ifeq ($(HOST_OS),FreeBSD)
>>   USEDLIBS += lldbHostFreeBSD.a \
>> -			  lldbPluginPlatformFreeBSD.a
>> +              lldbPluginDynamicLoaderPOSIX.a \
>> +              lldbPluginProcessPOSIX.a \
>> +              lldbPluginProcessFreeBSD.a \
>> +              lldbPluginPlatformFreeBSD.a
>> endif
>> 
>> include $(LEVEL)/Makefile.common
>> @@ -130,8 +134,8 @@
>>     # Include everything from the .a's into the shared library.
>>     ProjLibsOptions := -Wl,--whole-archive $(ProjLibsOptions) \
>>                        -Wl,--no-whole-archive
>> -    # Don't allow unresolved symbols.
>> -    LLVMLibsOptions += -Wl,--no-undefined
>> +    # Allow unresolved symbols.
>> +    LLVMLibsOptions += -Wl,--allow-shlib-undefined
>>     # Link in python
>>     LD.Flags += $(PYTHON_BUILD_FLAGS) -lrt -L/usr/local/lib -lexecinfo
>> endif
>> Index: Makefile
>> ===================================================================
>> --- Makefile	(revision 147560)
>> +++ Makefile	(working copy)
>> @@ -39,6 +39,7 @@
>> CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source
>> CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Utility
>> CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Process/Utility
>> +CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Process/POSIX
>> ifeq ($(HOST_OS),Darwin)
>> CPP.Flags += -F/System/Library/Frameworks -F/System/Library/PrivateFrameworks
>> endif
> 
>> _______________________________________________
>> lldb-commits mailing list
>> lldb-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits
> 




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