[Lldb-commits] [PATCH] RegisterContextLinux_x86_64.h missing
dawn at burble.org
dawn at burble.org
Thu Jan 5 16:03:10 PST 2012
Yes, the file looks good now :)
Thanks!!
-Dawn
On Thu, Jan 05, 2012 at 03:57:16PM -0800, Johnny Chen wrote:
> Hi Dawn,
>
> Did r147627 fix the problem I caused?
>
> On Jan 5, 2012, at 3:44 PM, dawn at burble.org wrote:
>
> > Just changing the subject so it's obvious that a patch was attached
> > to my previous email (please see email).
> >
> > FYI - I pulled a new tree and diffed against the tree I used to create the
> > original patch from, and have confirmed that RegisterContextLinux_x86_64.h
> > is the only file whose patch did not get applied correctly.
> >
> > On Thu, Jan 05, 2012 at 03:10:02PM -0800, dawn at burble.org wrote:
> >> Almost there...
> >>
> >> Comparing this new list with what was missing from the last one, the
> >> following file appears to have been wrongly deleted:
> >>
> >> M source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h
> >>
> >> Please add this file back and apply the attached the diff.
> >>
> >> Thank you!
> >> -Dawn
> >>
> >> On Thu, Jan 05, 2012 at 09:48:16PM -0000, Johnny Chen wrote:
> >>> Author: johnny
> >>> Date: Thu Jan 5 15:48:15 2012
> >>> New Revision: 147613
> >>>
> >>> URL: http://llvm.org/viewvc/llvm-project?rev=147613&view=rev
> >>> Log:
> >>> Fix incomplete commit of http://llvm.org/viewvc/llvm-project?rev=147609&view=rev:
> >>>
> >>> 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.
> >>>
> >>> Added:
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h
> >>> lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/Makefile
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/Makefile
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h
> >>> lldb/trunk/source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/
> >>> lldb/trunk/source/Plugins/Process/POSIX/Makefile
> >>> lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/RegisterContextPOSIX.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.h
> >>> lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp
> >>> lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.h
> >>> Removed:
> >>> lldb/trunk/source/Plugins/DynamicLoader/Linux-DYLD/
> >>> lldb/trunk/source/Plugins/Process/Linux/LinuxStopInfo.cpp
> >>> lldb/trunk/source/Plugins/Process/Linux/LinuxStopInfo.h
> >>> lldb/trunk/source/Plugins/Process/Linux/LinuxThread.cpp
> >>> lldb/trunk/source/Plugins/Process/Linux/LinuxThread.h
> >>> lldb/trunk/source/Plugins/Process/Linux/ProcessLinuxLog.cpp
> >>> lldb/trunk/source/Plugins/Process/Linux/ProcessLinuxLog.h
> >>> lldb/trunk/source/Plugins/Process/Linux/ProcessMessage.cpp
> >>> lldb/trunk/source/Plugins/Process/Linux/ProcessMessage.h
> >>> lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux.h
> >>> lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_i386.cpp
> >>> lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_i386.h
> >>> lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.cpp
> >>> lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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;
> >>> +}
> >>> +
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h Thu Jan 5 15:48:15 2012
> >>> @@ -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
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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);
> >>> + }
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.h Thu Jan 5 15:48:15 2012
> >>> @@ -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
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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;
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/Makefile
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/Makefile?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/Makefile (added)
> >>> +++ lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/Makefile Thu Jan 5 15:48:15 2012
> >>> @@ -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 $(LLDB_LEVEL)/Makefile
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/FreeBSD/Makefile
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/Makefile?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/FreeBSD/Makefile (added)
> >>> +++ lldb/trunk/source/Plugins/Process/FreeBSD/Makefile Thu Jan 5 15:48:15 2012
> >>> @@ -0,0 +1,17 @@
> >>> +##===- source/Plugins/Process/FreeBSD/Makefile ---------------*- Makefile -*-===##
> >>> +#
> >>> +# The LLVM Compiler Infrastructure
> >>> +#
> >>> +# This file is distributed under the University of Illinois Open Source
> >>> +# License. See LICENSE.TXT for details.
> >>> +#
> >>> +##===----------------------------------------------------------------------===##
> >>> +
> >>> +LLDB_LEVEL := ../../../..
> >>> +LIBRARYNAME := lldbPluginProcessFreeBSD
> >>> +BUILD_ARCHIVE = 1
> >>> +
> >>> +# Extend the include path so we may locate UnwindLLDB.h
> >>> +CPPFLAGS += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Plugins/Utility
> >>> +
> >>> +include $(LLDB_LEVEL)/Makefile
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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;
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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)®s, 0)) < 0) {
> >>> + m_result = false;
> >>> + } else {
> >>> + if (m_size == sizeof(uintptr_t))
> >>> + m_value = *(uintptr_t *)(((caddr_t)®s) + m_offset);
> >>> + else
> >>> + memcpy(&m_value, (((caddr_t)®s) + 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)®s, 0) < 0) {
> >>> + m_result = false;
> >>> + return;
> >>> + }
> >>> + *(uintptr_t *)(((caddr_t)®s) + m_offset) = (uintptr_t)m_value.GetAsUInt64();
> >>> + if (PTRACE(PT_SETREGS, pid, (caddr_t)®s, 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;
> >>> + }
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/FreeBSD/RegisterContextFreeBSD_x86_64.h Thu Jan 5 15:48:15 2012
> >>> @@ -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
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/LinuxStopInfo.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/LinuxStopInfo.cpp?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/LinuxStopInfo.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/LinuxStopInfo.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/LinuxThread.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/LinuxThread.cpp?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/LinuxThread.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/LinuxThread.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/ProcessLinuxLog.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/ProcessLinuxLog.cpp?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/ProcessLinuxLog.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/ProcessLinuxLog.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/ProcessMessage.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/ProcessMessage.cpp?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/ProcessMessage.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/ProcessMessage.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_i386.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_i386.cpp?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_i386.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_i386.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.cpp?rev=147612&view=auto
> >>> ==============================================================================
> >>> (empty)
> >>>
> >>> Removed: lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h?rev=147612&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h (original)
> >>> +++ lldb/trunk/source/Plugins/Process/Linux/RegisterContextLinux_x86_64.h (removed)
> >>> @@ -1,44 +0,0 @@
> >>> -//===-- RegisterContextLinux_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_x86_64_H_
> >>> -#define liblldb_RegisterContextLinux_x86_64_H_
> >>> -
> >>> - typedef struct _GPR
> >>> - {
> >>> - uint64_t r15;
> >>> - uint64_t r14;
> >>> - uint64_t r13;
> >>> - uint64_t r12;
> >>> - uint64_t rbp;
> >>> - uint64_t rbx;
> >>> - uint64_t r11;
> >>> - uint64_t r10;
> >>> - uint64_t r9;
> >>> - uint64_t r8;
> >>> - uint64_t rax;
> >>> - uint64_t rcx;
> >>> - uint64_t rdx;
> >>> - uint64_t rsi;
> >>> - uint64_t rdi;
> >>> - uint64_t orig_ax;
> >>> - uint64_t rip;
> >>> - uint64_t cs;
> >>> - uint64_t rflags;
> >>> - uint64_t rsp;
> >>> - uint64_t ss;
> >>> - uint64_t fs_base;
> >>> - uint64_t gs_base;
> >>> - uint64_t ds;
> >>> - uint64_t es;
> >>> - uint64_t fs;
> >>> - uint64_t gs;
> >>> - } GPR;
> >>> -
> >>> -#endif
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/Makefile
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/Makefile?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/Makefile (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/Makefile Thu Jan 5 15:48:15 2012
> >>> @@ -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
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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);
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/POSIXStopInfo.h Thu Jan 5 15:48:15 2012
> >>> @@ -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
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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));
> >>> +}
> >>> +
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/POSIXThread.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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);
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/ProcessMessage.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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;
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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 = "";
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIXLog.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/RegisterContextPOSIX.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/RegisterContextPOSIX.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/RegisterContextPOSIX.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/RegisterContextPOSIX.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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);
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_i386.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp Thu Jan 5 15:48:15 2012
> >>> @@ -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);
> >>> +}
> >>>
> >>> Added: lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.h
> >>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.h?rev=147613&view=auto
> >>> ==============================================================================
> >>> --- lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.h (added)
> >>> +++ lldb/trunk/source/Plugins/Process/POSIX/RegisterContext_x86_64.h Thu Jan 5 15:48:15 2012
> >>> @@ -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_
> >>>
> >>>
> >>> _______________________________________________
> >>> lldb-commits mailing list
> >>> lldb-commits at cs.uiuc.edu
> >>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits
> >
> >> 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
> >
> >> _______________________________________________
> >> lldb-commits mailing list
> >> lldb-commits at cs.uiuc.edu
> >> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits
> >
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