[Lldb-commits] [lldb] r228823 - Separate monolithic GDBRemoteCommunicationServer class into 4 part
Tamas Berghammer
tberghammer at google.com
Wed Feb 11 02:29:31 PST 2015
Author: tberghammer
Date: Wed Feb 11 04:29:30 2015
New Revision: 228823
URL: http://llvm.org/viewvc/llvm-project?rev=228823&view=rev
Log:
Separate monolithic GDBRemoteCommunicationServer class into 4 part
GDBRemoteCommunicationServer: Basic packet handling, handler registration
LLDBCommonPacketHandler: Common packet handling for lldb-platform and lldb-gdbserver
LLDBPlatformPacketHandler: lldb-platform specific packet handling
LLGSPacketHandler: lldb-gdbserver specific packet handling
Differential Revision: http://reviews.llvm.org/D7538
Added:
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.h
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h
- copied, changed from r228822, lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.h
Modified:
lldb/trunk/lldb.xcodeproj/project.pbxproj
lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/LLDB.xcscheme
lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/Run Testsuite.xcscheme
lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/darwin-debug.xcscheme
lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherRootXPCService.xcscheme
lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherXPCService.xcscheme
lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme
lldb/trunk/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/CMakeLists.txt
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h
lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
lldb/trunk/tools/debugserver/debugserver.xcodeproj/xcshareddata/xcschemes/debugserver.xcscheme
lldb/trunk/tools/lldb-gdbserver/lldb-gdbserver.cpp
lldb/trunk/tools/lldb-platform/lldb-platform.cpp
Modified: lldb/trunk/lldb.xcodeproj/project.pbxproj
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/project.pbxproj?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/project.pbxproj (original)
+++ lldb/trunk/lldb.xcodeproj/project.pbxproj Wed Feb 11 04:29:30 2015
@@ -737,6 +737,9 @@
4CF3D80C15AF4DC800845BF3 /* Security.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EDB919B414F6F10D008FF64B /* Security.framework */; };
4CF52AF51428291E0051E832 /* SBFileSpecList.h in Headers */ = {isa = PBXBuildFile; fileRef = 4CF52AF41428291E0051E832 /* SBFileSpecList.h */; settings = {ATTRIBUTES = (Public, ); }; };
4CF52AF8142829390051E832 /* SBFileSpecList.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4CF52AF7142829390051E832 /* SBFileSpecList.cpp */; };
+ 6D55B2901A8A806200A70529 /* GDBRemoteCommunicationServerCommon.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 6D55B28D1A8A806200A70529 /* GDBRemoteCommunicationServerCommon.cpp */; };
+ 6D55B2911A8A806200A70529 /* GDBRemoteCommunicationServerLLGS.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 6D55B28E1A8A806200A70529 /* GDBRemoteCommunicationServerLLGS.cpp */; };
+ 6D55B2921A8A806200A70529 /* GDBRemoteCommunicationServerPlatform.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 6D55B28F1A8A806200A70529 /* GDBRemoteCommunicationServerPlatform.cpp */; };
8C2D6A53197A1EAF006989C9 /* MemoryHistory.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8C2D6A52197A1EAF006989C9 /* MemoryHistory.cpp */; };
8C2D6A5E197A250F006989C9 /* MemoryHistoryASan.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8C2D6A5A197A1FDC006989C9 /* MemoryHistoryASan.cpp */; };
8CCB017E19BA28A80009FD44 /* ThreadCollection.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8CCB017A19BA283D0009FD44 /* ThreadCollection.cpp */; };
@@ -2348,6 +2351,12 @@
69A01E1E1236C5D400C660B5 /* Mutex.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Mutex.cpp; sourceTree = "<group>"; };
69A01E1F1236C5D400C660B5 /* Symbols.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Symbols.cpp; sourceTree = "<group>"; };
69A01E201236C5D400C660B5 /* TimeValue.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TimeValue.cpp; sourceTree = "<group>"; };
+ 6D55B28D1A8A806200A70529 /* GDBRemoteCommunicationServerCommon.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = GDBRemoteCommunicationServerCommon.cpp; sourceTree = "<group>"; };
+ 6D55B28E1A8A806200A70529 /* GDBRemoteCommunicationServerLLGS.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = GDBRemoteCommunicationServerLLGS.cpp; sourceTree = "<group>"; };
+ 6D55B28F1A8A806200A70529 /* GDBRemoteCommunicationServerPlatform.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = GDBRemoteCommunicationServerPlatform.cpp; sourceTree = "<group>"; };
+ 6D55B2931A8A808400A70529 /* GDBRemoteCommunicationServerCommon.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GDBRemoteCommunicationServerCommon.h; sourceTree = "<group>"; };
+ 6D55B2941A8A808400A70529 /* GDBRemoteCommunicationServerLLGS.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GDBRemoteCommunicationServerLLGS.h; sourceTree = "<group>"; };
+ 6D55B2951A8A808400A70529 /* GDBRemoteCommunicationServerPlatform.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GDBRemoteCommunicationServerPlatform.h; sourceTree = "<group>"; };
8C2D6A52197A1EAF006989C9 /* MemoryHistory.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = MemoryHistory.cpp; path = source/Target/MemoryHistory.cpp; sourceTree = "<group>"; };
8C2D6A54197A1EBE006989C9 /* MemoryHistory.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = MemoryHistory.h; path = include/lldb/Target/MemoryHistory.h; sourceTree = "<group>"; };
8C2D6A5A197A1FDC006989C9 /* MemoryHistoryASan.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = MemoryHistoryASan.cpp; sourceTree = "<group>"; };
@@ -4868,6 +4877,12 @@
4CEE62F71145F1C70064CF93 /* GDB Remote */ = {
isa = PBXGroup;
children = (
+ 6D55B2931A8A808400A70529 /* GDBRemoteCommunicationServerCommon.h */,
+ 6D55B2941A8A808400A70529 /* GDBRemoteCommunicationServerLLGS.h */,
+ 6D55B2951A8A808400A70529 /* GDBRemoteCommunicationServerPlatform.h */,
+ 6D55B28D1A8A806200A70529 /* GDBRemoteCommunicationServerCommon.cpp */,
+ 6D55B28E1A8A806200A70529 /* GDBRemoteCommunicationServerLLGS.cpp */,
+ 6D55B28F1A8A806200A70529 /* GDBRemoteCommunicationServerPlatform.cpp */,
2618EE5B1315B29C001D6D71 /* GDBRemoteCommunication.cpp */,
2618EE5C1315B29C001D6D71 /* GDBRemoteCommunication.h */,
26744EED1338317700EF765A /* GDBRemoteCommunicationClient.cpp */,
@@ -5496,7 +5511,7 @@
08FB7793FE84155DC02AAC07 /* Project object */ = {
isa = PBXProject;
attributes = {
- LastUpgradeCheck = 0600;
+ LastUpgradeCheck = 0610;
TargetAttributes = {
2690CD161A6DC0D000E717C8 = {
CreatedOnToolsVersion = 6.3;
@@ -5820,6 +5835,7 @@
2689001513353DDE00698AC0 /* CommandObjectBreakpointCommand.cpp in Sources */,
2689001613353DDE00698AC0 /* CommandObjectCommands.cpp in Sources */,
AFEC3362194A8ABA00FF05C6 /* StructuredData.cpp in Sources */,
+ 6D55B2901A8A806200A70529 /* GDBRemoteCommunicationServerCommon.cpp in Sources */,
26474CAC18D0CB070073DEBA /* RegisterContextFreeBSD_x86_64.cpp in Sources */,
2689001713353DDE00698AC0 /* CommandObjectDisassemble.cpp in Sources */,
2689001813353DDE00698AC0 /* CommandObjectExpression.cpp in Sources */,
@@ -6241,6 +6257,7 @@
260CC65015D0440D002BF2E0 /* OptionValueFormat.cpp in Sources */,
260CC65115D0440D002BF2E0 /* OptionValueSInt64.cpp in Sources */,
260CC65215D0440D002BF2E0 /* OptionValueString.cpp in Sources */,
+ 6D55B2911A8A806200A70529 /* GDBRemoteCommunicationServerLLGS.cpp in Sources */,
260CC65315D0440D002BF2E0 /* OptionValueUInt64.cpp in Sources */,
260CC65415D0440D002BF2E0 /* OptionValueUUID.cpp in Sources */,
94BA8B6D176F8C9B005A91B5 /* Range.cpp in Sources */,
@@ -6251,6 +6268,7 @@
2640E19F15DC78FD00F23B50 /* Property.cpp in Sources */,
26491E3E15E1DB9F00CBFFC2 /* OptionValueRegex.cpp in Sources */,
2697A39315E404B1003E682C /* OptionValueArch.cpp in Sources */,
+ 6D55B2921A8A806200A70529 /* GDBRemoteCommunicationServerPlatform.cpp in Sources */,
94EA1D5C15E6C9B400D4171A /* PythonDataObjects.cpp in Sources */,
94D6A0AC16CEB55F00833B6E /* NSSet.cpp in Sources */,
94CD704E16F8DDEA00CF1E42 /* Cocoa.cpp in Sources */,
Modified: lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/LLDB.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/LLDB.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/LLDB.xcscheme (original)
+++ lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/LLDB.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
+ LastUpgradeVersion = "0610"
version = "1.8">
<BuildAction
parallelizeBuildables = "NO"
Modified: lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/Run Testsuite.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/Run%20Testsuite.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/Run Testsuite.xcscheme (original)
+++ lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/Run Testsuite.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
+ LastUpgradeVersion = "0610"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
Modified: lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/darwin-debug.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/darwin-debug.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/darwin-debug.xcscheme (original)
+++ lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/darwin-debug.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
+ LastUpgradeVersion = "0610"
version = "1.8">
<BuildAction
parallelizeBuildables = "NO"
Modified: lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherRootXPCService.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherRootXPCService.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherRootXPCService.xcscheme (original)
+++ lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherRootXPCService.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
+ LastUpgradeVersion = "0610"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
Modified: lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherXPCService.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherXPCService.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherXPCService.xcscheme (original)
+++ lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/launcherXPCService.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
+ LastUpgradeVersion = "0610"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
Modified: lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme (original)
+++ lldb/trunk/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
- version = "1.3">
+ LastUpgradeVersion = "0610"
+ version = "1.8">
<BuildAction
parallelizeBuildables = "NO"
buildImplicitDependencies = "YES">
Modified: lldb/trunk/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp (original)
+++ lldb/trunk/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp Wed Feb 11 04:29:30 2015
@@ -194,8 +194,8 @@ PlatformRemoteGDBServer::GetFileWithUUID
/// Default Constructor
//------------------------------------------------------------------
PlatformRemoteGDBServer::PlatformRemoteGDBServer () :
- Platform(false), // This is a remote platform
- m_gdb_client(true)
+ Platform (false), // This is a remote platform
+ m_gdb_client ()
{
}
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/CMakeLists.txt?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/CMakeLists.txt (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/CMakeLists.txt Wed Feb 11 04:29:30 2015
@@ -4,6 +4,9 @@ add_lldb_library(lldbPluginProcessGDBRem
GDBRemoteCommunication.cpp
GDBRemoteCommunicationClient.cpp
GDBRemoteCommunicationServer.cpp
+ GDBRemoteCommunicationServerCommon.cpp
+ GDBRemoteCommunicationServerLLGS.cpp
+ GDBRemoteCommunicationServerPlatform.cpp
GDBRemoteRegisterContext.cpp
ProcessGDBRemote.cpp
ProcessGDBRemoteLog.cpp
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp Wed Feb 11 04:29:30 2015
@@ -142,8 +142,7 @@ GDBRemoteCommunication::History::Dump (l
// GDBRemoteCommunication constructor
//----------------------------------------------------------------------
GDBRemoteCommunication::GDBRemoteCommunication(const char *comm_name,
- const char *listener_name,
- bool is_platform) :
+ const char *listener_name) :
Communication(comm_name),
#ifdef LLDB_CONFIGURATION_DEBUG
m_packet_timeout (1000),
@@ -155,7 +154,6 @@ GDBRemoteCommunication::GDBRemoteCommuni
m_private_is_running (false),
m_history (512),
m_send_acks (true),
- m_is_platform (is_platform),
m_listen_url ()
{
}
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h Wed Feb 11 04:29:30 2015
@@ -63,8 +63,7 @@ public:
// Constructors and Destructors
//------------------------------------------------------------------
GDBRemoteCommunication(const char *comm_name,
- const char *listener_name,
- bool is_platform);
+ const char *listener_name);
virtual
~GDBRemoteCommunication();
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp Wed Feb 11 04:29:30 2015
@@ -48,8 +48,8 @@ using namespace lldb_private;
//----------------------------------------------------------------------
// GDBRemoteCommunicationClient constructor
//----------------------------------------------------------------------
-GDBRemoteCommunicationClient::GDBRemoteCommunicationClient(bool is_platform) :
- GDBRemoteCommunication("gdb-remote.client", "gdb-remote.client.rx_packet", is_platform),
+GDBRemoteCommunicationClient::GDBRemoteCommunicationClient() :
+ GDBRemoteCommunication("gdb-remote.client", "gdb-remote.client.rx_packet"),
m_supports_not_sending_acks (eLazyBoolCalculate),
m_supports_thread_suffix (eLazyBoolCalculate),
m_supports_threads_in_stop_reply (eLazyBoolCalculate),
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h Wed Feb 11 04:29:30 2015
@@ -27,7 +27,7 @@ public:
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
- GDBRemoteCommunicationClient(bool is_platform);
+ GDBRemoteCommunicationClient();
~GDBRemoteCommunicationClient();
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp Wed Feb 11 04:29:30 2015
@@ -12,133 +12,34 @@
#include "lldb/Host/Config.h"
#include "GDBRemoteCommunicationServer.h"
-#include "lldb/Core/StreamGDBRemote.h"
// C Includes
// C++ Includes
#include <cstring>
-#include <chrono>
-#include <thread>
-
-// Other libraries and framework includes
-#include "llvm/ADT/Triple.h"
-#include "lldb/Interpreter/Args.h"
-#include "lldb/Core/Debugger.h"
-#include "lldb/Core/Log.h"
-#include "lldb/Core/State.h"
-#include "lldb/Core/StreamString.h"
-#include "lldb/Host/ConnectionFileDescriptor.h"
-#include "lldb/Host/Debug.h"
-#include "lldb/Host/Endian.h"
-#include "lldb/Host/File.h"
-#include "lldb/Host/FileSystem.h"
-#include "lldb/Host/Host.h"
-#include "lldb/Host/HostInfo.h"
-#include "lldb/Host/StringConvert.h"
-#include "lldb/Host/TimeValue.h"
-#include "lldb/Target/FileAction.h"
-#include "lldb/Target/Platform.h"
-#include "lldb/Target/Process.h"
-#include "lldb/Host/common/NativeRegisterContext.h"
-#include "lldb/Host/common/NativeProcessProtocol.h"
-#include "lldb/Host/common/NativeThreadProtocol.h"
// Project includes
-#include "Utility/StringExtractorGDBRemote.h"
-#include "Utility/UriParser.h"
-#include "ProcessGDBRemote.h"
#include "ProcessGDBRemoteLog.h"
+#include "Utility/StringExtractorGDBRemote.h"
using namespace lldb;
using namespace lldb_private;
-//----------------------------------------------------------------------
-// GDBRemote Errors
-//----------------------------------------------------------------------
-
-namespace
-{
- enum GDBRemoteServerError
- {
- // Set to the first unused error number in literal form below
- eErrorFirst = 29,
- eErrorNoProcess = eErrorFirst,
- eErrorResume,
- eErrorExitStatus
- };
-}
-
-//----------------------------------------------------------------------
-// GDBRemoteCommunicationServer constructor
-//----------------------------------------------------------------------
-GDBRemoteCommunicationServer::GDBRemoteCommunicationServer(bool is_platform) :
- GDBRemoteCommunication ("gdb-remote.server", "gdb-remote.server.rx_packet", is_platform),
- m_platform_sp (Platform::GetHostPlatform ()),
- m_async_thread (LLDB_INVALID_HOST_THREAD),
- m_process_launch_info (),
- m_process_launch_error (),
- m_spawned_pids (),
- m_spawned_pids_mutex (Mutex::eMutexTypeRecursive),
- m_proc_infos (),
- m_proc_infos_index (0),
- m_port_map (),
- m_port_offset(0),
- m_current_tid (LLDB_INVALID_THREAD_ID),
- m_continue_tid (LLDB_INVALID_THREAD_ID),
- m_debugged_process_mutex (Mutex::eMutexTypeRecursive),
- m_debugged_process_sp (),
- m_debugger_sp (),
- m_stdio_communication ("process.stdio"),
- m_exit_now (false),
- m_inferior_prev_state (StateType::eStateInvalid),
- m_thread_suffix_supported (false),
- m_list_threads_in_stop_reply (false),
- m_active_auxv_buffer_sp (),
- m_saved_registers_mutex (),
- m_saved_registers_map (),
- m_next_saved_registers_id (1)
+GDBRemoteCommunicationServer::GDBRemoteCommunicationServer(const char *comm_name,
+ const char *listener_name) :
+ GDBRemoteCommunication (comm_name, listener_name),
+ m_exit_now (false)
{
- assert(is_platform && "must be lldb-platform if debugger is not specified");
}
-GDBRemoteCommunicationServer::GDBRemoteCommunicationServer(bool is_platform,
- const lldb::PlatformSP& platform_sp,
- lldb::DebuggerSP &debugger_sp) :
- GDBRemoteCommunication ("gdb-remote.server", "gdb-remote.server.rx_packet", is_platform),
- m_platform_sp (platform_sp),
- m_async_thread (LLDB_INVALID_HOST_THREAD),
- m_process_launch_info (),
- m_process_launch_error (),
- m_spawned_pids (),
- m_spawned_pids_mutex (Mutex::eMutexTypeRecursive),
- m_proc_infos (),
- m_proc_infos_index (0),
- m_port_map (),
- m_port_offset(0),
- m_current_tid (LLDB_INVALID_THREAD_ID),
- m_continue_tid (LLDB_INVALID_THREAD_ID),
- m_debugged_process_mutex (Mutex::eMutexTypeRecursive),
- m_debugged_process_sp (),
- m_debugger_sp (debugger_sp),
- m_stdio_communication ("process.stdio"),
- m_exit_now (false),
- m_inferior_prev_state (StateType::eStateInvalid),
- m_thread_suffix_supported (false),
- m_list_threads_in_stop_reply (false),
- m_active_auxv_buffer_sp (),
- m_saved_registers_mutex (),
- m_saved_registers_map (),
- m_next_saved_registers_id (1)
+GDBRemoteCommunicationServer::~GDBRemoteCommunicationServer()
{
- assert(platform_sp);
- assert((is_platform || debugger_sp) && "must specify non-NULL debugger_sp when lldb-gdbserver");
}
-//----------------------------------------------------------------------
-// Destructor
-//----------------------------------------------------------------------
-GDBRemoteCommunicationServer::~GDBRemoteCommunicationServer()
+void GDBRemoteCommunicationServer::RegisterPacketHandler(
+ StringExtractorGDBRemote::ServerPacketType packet_type,
+ PacketHandler handler)
{
+ m_packet_handlers[packet_type] = std::move(handler);
}
GDBRemoteCommunication::PacketResult
@@ -164,288 +65,16 @@ GDBRemoteCommunicationServer::GetPacketA
quit = true;
break;
- default:
case StringExtractorGDBRemote::eServerPacketType_unimplemented:
packet_result = SendUnimplementedResponse (packet.GetStringRef().c_str());
break;
- case StringExtractorGDBRemote::eServerPacketType_A:
- packet_result = Handle_A (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qfProcessInfo:
- packet_result = Handle_qfProcessInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qsProcessInfo:
- packet_result = Handle_qsProcessInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qC:
- packet_result = Handle_qC (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qHostInfo:
- packet_result = Handle_qHostInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qLaunchGDBServer:
- packet_result = Handle_qLaunchGDBServer (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qKillSpawnedProcess:
- packet_result = Handle_qKillSpawnedProcess (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_k:
- packet_result = Handle_k (packet);
- quit = true;
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess:
- packet_result = Handle_qLaunchSuccess (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qGroupName:
- packet_result = Handle_qGroupName (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qProcessInfo:
- packet_result = Handle_qProcessInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID:
- packet_result = Handle_qProcessInfoPID (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qSpeedTest:
- packet_result = Handle_qSpeedTest (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qUserName:
- packet_result = Handle_qUserName (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qGetWorkingDir:
- packet_result = Handle_qGetWorkingDir(packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QEnvironment:
- packet_result = Handle_QEnvironment (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QLaunchArch:
- packet_result = Handle_QLaunchArch (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSetDisableASLR:
- packet_result = Handle_QSetDisableASLR (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSetDetachOnError:
- packet_result = Handle_QSetDetachOnError (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSetSTDIN:
- packet_result = Handle_QSetSTDIN (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT:
- packet_result = Handle_QSetSTDOUT (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSetSTDERR:
- packet_result = Handle_QSetSTDERR (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSetWorkingDir:
- packet_result = Handle_QSetWorkingDir (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode:
- packet_result = Handle_QStartNoAckMode (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qPlatform_mkdir:
- packet_result = Handle_qPlatform_mkdir (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qPlatform_chmod:
- packet_result = Handle_qPlatform_chmod (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qPlatform_shell:
- packet_result = Handle_qPlatform_shell (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qWatchpointSupportInfo:
- packet_result = Handle_qWatchpointSupportInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_C:
- packet_result = Handle_C (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_c:
- packet_result = Handle_c (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vCont:
- packet_result = Handle_vCont (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vCont_actions:
- packet_result = Handle_vCont_actions (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_stop_reason: // ?
- packet_result = Handle_stop_reason (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_open:
- packet_result = Handle_vFile_Open (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_close:
- packet_result = Handle_vFile_Close (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_pread:
- packet_result = Handle_vFile_pRead (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_pwrite:
- packet_result = Handle_vFile_pWrite (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_size:
- packet_result = Handle_vFile_Size (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_mode:
- packet_result = Handle_vFile_Mode (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_exists:
- packet_result = Handle_vFile_Exists (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_stat:
- packet_result = Handle_vFile_Stat (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_md5:
- packet_result = Handle_vFile_MD5 (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_symlink:
- packet_result = Handle_vFile_symlink (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vFile_unlink:
- packet_result = Handle_vFile_unlink (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qRegisterInfo:
- packet_result = Handle_qRegisterInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qfThreadInfo:
- packet_result = Handle_qfThreadInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qsThreadInfo:
- packet_result = Handle_qsThreadInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_p:
- packet_result = Handle_p (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_P:
- packet_result = Handle_P (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_H:
- packet_result = Handle_H (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_I:
- packet_result = Handle_I (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_m:
- packet_result = Handle_m (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_M:
- packet_result = Handle_M (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qMemoryRegionInfoSupported:
- packet_result = Handle_qMemoryRegionInfoSupported (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qMemoryRegionInfo:
- packet_result = Handle_qMemoryRegionInfo (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_interrupt:
- if (IsGdbServer ())
- packet_result = Handle_interrupt (packet);
+ default:
+ auto handler_it = m_packet_handlers.find(packet_type);
+ if (handler_it == m_packet_handlers.end())
+ packet_result = SendUnimplementedResponse (packet.GetStringRef().c_str());
else
- {
- error.SetErrorString("interrupt received");
- interrupt = true;
- }
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_Z:
- packet_result = Handle_Z (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_z:
- packet_result = Handle_z (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_s:
- packet_result = Handle_s (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qSupported:
- packet_result = Handle_qSupported (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QThreadSuffixSupported:
- packet_result = Handle_QThreadSuffixSupported (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QListThreadsInStopReply:
- packet_result = Handle_QListThreadsInStopReply (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qXfer_auxv_read:
- packet_result = Handle_qXfer_auxv_read (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QSaveRegisterState:
- packet_result = Handle_QSaveRegisterState (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_QRestoreRegisterState:
- packet_result = Handle_QRestoreRegisterState (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_vAttach:
- packet_result = Handle_vAttach (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_D:
- packet_result = Handle_D (packet);
- break;
-
- case StringExtractorGDBRemote::eServerPacketType_qThreadStopInfo:
- packet_result = Handle_qThreadStopInfo (packet);
+ packet_result = handler_it->second (packet, error, interrupt, quit);
break;
}
}
@@ -469,4094 +98,40 @@ GDBRemoteCommunicationServer::GetPacketA
return packet_result;
}
-lldb_private::Error
-GDBRemoteCommunicationServer::SetLaunchArguments (const char *const args[], int argc)
-{
- if ((argc < 1) || !args || !args[0] || !args[0][0])
- return lldb_private::Error ("%s: no process command line specified to launch", __FUNCTION__);
-
- m_process_launch_info.SetArguments (const_cast<const char**> (args), true);
- return lldb_private::Error ();
-}
-
-lldb_private::Error
-GDBRemoteCommunicationServer::SetLaunchFlags (unsigned int launch_flags)
-{
- m_process_launch_info.GetFlags ().Set (launch_flags);
- return lldb_private::Error ();
-}
-
-lldb_private::Error
-GDBRemoteCommunicationServer::LaunchProcess ()
-{
- // FIXME This looks an awful lot like we could override this in
- // derived classes, one for lldb-platform, the other for lldb-gdbserver.
- if (IsGdbServer ())
- return LaunchProcessForDebugging ();
- else
- return LaunchPlatformProcess ();
-}
-
-bool
-GDBRemoteCommunicationServer::ShouldRedirectInferiorOutputOverGdbRemote (const lldb_private::ProcessLaunchInfo &launch_info) const
-{
- // Retrieve the file actions specified for stdout and stderr.
- auto stdout_file_action = launch_info.GetFileActionForFD (STDOUT_FILENO);
- auto stderr_file_action = launch_info.GetFileActionForFD (STDERR_FILENO);
-
- // If neither stdout and stderr file actions are specified, we're not doing anything special, so
- // assume we want to redirect stdout/stderr over gdb-remote $O messages.
- if ((stdout_file_action == nullptr) && (stderr_file_action == nullptr))
- {
- // Send stdout/stderr over the gdb-remote protocol.
- return true;
- }
-
- // Any other setting for either stdout or stderr implies we are either suppressing
- // it (with /dev/null) or we've got it set to a PTY. Either way, we don't want the
- // output over gdb-remote.
- return false;
-}
-
-lldb_private::Error
-GDBRemoteCommunicationServer::LaunchProcessForDebugging ()
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServer::SendUnimplementedResponse (const char *)
{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- if (!m_process_launch_info.GetArguments ().GetArgumentCount ())
- return lldb_private::Error ("%s: no process command line specified to launch", __FUNCTION__);
-
- lldb_private::Error error;
- {
- Mutex::Locker locker (m_debugged_process_mutex);
- assert (!m_debugged_process_sp && "lldb-gdbserver creating debugged process but one already exists");
- error = m_platform_sp->LaunchNativeProcess (
- m_process_launch_info,
- *this,
- m_debugged_process_sp);
- }
-
- if (!error.Success ())
- {
- fprintf (stderr, "%s: failed to launch executable %s", __FUNCTION__, m_process_launch_info.GetArguments ().GetArgumentAtIndex (0));
- return error;
- }
-
- // Handle mirroring of inferior stdout/stderr over the gdb-remote protocol as needed.
- // llgs local-process debugging may specify PTYs, which will eliminate the need to reflect inferior
- // stdout/stderr over the gdb-remote protocol.
- if (ShouldRedirectInferiorOutputOverGdbRemote (m_process_launch_info))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " setting up stdout/stderr redirection via $O gdb-remote commands", __FUNCTION__, m_debugged_process_sp->GetID ());
-
- // Setup stdout/stderr mapping from inferior to $O
- auto terminal_fd = m_debugged_process_sp->GetTerminalFileDescriptor ();
- if (terminal_fd >= 0)
- {
- if (log)
- log->Printf ("ProcessGDBRemoteCommunicationServer::%s setting inferior STDIO fd to %d", __FUNCTION__, terminal_fd);
- error = SetSTDIOFileDescriptor (terminal_fd);
- if (error.Fail ())
- return error;
- }
- else
- {
- if (log)
- log->Printf ("ProcessGDBRemoteCommunicationServer::%s ignoring inferior STDIO since terminal fd reported as %d", __FUNCTION__, terminal_fd);
- }
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " skipping stdout/stderr redirection via $O: inferior will communicate over client-provided file descriptors", __FUNCTION__, m_debugged_process_sp->GetID ());
- }
-
- printf ("Launched '%s' as process %" PRIu64 "...\n", m_process_launch_info.GetArguments ().GetArgumentAtIndex (0), m_process_launch_info.GetProcessID ());
-
- // Add to list of spawned processes.
- lldb::pid_t pid;
- if ((pid = m_process_launch_info.GetProcessID ()) != LLDB_INVALID_PROCESS_ID)
- {
- // add to spawned pids
- Mutex::Locker locker (m_spawned_pids_mutex);
- // On an lldb-gdbserver, we would expect there to be only one.
- assert (m_spawned_pids.empty () && "lldb-gdbserver adding tracked process but one already existed");
- m_spawned_pids.insert (pid);
- }
-
- return error;
+ // TODO: Log the packet we aren't handling...
+ return SendPacketNoLock ("", 0);
}
-lldb_private::Error
-GDBRemoteCommunicationServer::LaunchPlatformProcess ()
-{
- if (!m_process_launch_info.GetArguments ().GetArgumentCount ())
- return lldb_private::Error ("%s: no process command line specified to launch", __FUNCTION__);
-
- // specify the process monitor if not already set. This should
- // generally be what happens since we need to reap started
- // processes.
- if (!m_process_launch_info.GetMonitorProcessCallback ())
- m_process_launch_info.SetMonitorProcessCallback(ReapDebuggedProcess, this, false);
-
- lldb_private::Error error = m_platform_sp->LaunchProcess (m_process_launch_info);
- if (!error.Success ())
- {
- fprintf (stderr, "%s: failed to launch executable %s", __FUNCTION__, m_process_launch_info.GetArguments ().GetArgumentAtIndex (0));
- return error;
- }
-
- printf ("Launched '%s' as process %" PRIu64 "...\n", m_process_launch_info.GetArguments ().GetArgumentAtIndex (0), m_process_launch_info.GetProcessID());
-
- // add to list of spawned processes. On an lldb-gdbserver, we
- // would expect there to be only one.
- const auto pid = m_process_launch_info.GetProcessID();
- if (pid != LLDB_INVALID_PROCESS_ID)
- {
- // add to spawned pids
- Mutex::Locker locker (m_spawned_pids_mutex);
- m_spawned_pids.insert(pid);
- }
-
- return error;
-}
-lldb_private::Error
-GDBRemoteCommunicationServer::AttachToProcess (lldb::pid_t pid)
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServer::SendErrorResponse (uint8_t err)
{
- Error error;
-
- if (!IsGdbServer ())
- {
- error.SetErrorString("cannot AttachToProcess () unless process is lldb-gdbserver");
- return error;
- }
-
- Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64, __FUNCTION__, pid);
-
- // Scope for mutex locker.
- {
- // Before we try to attach, make sure we aren't already monitoring something else.
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (!m_spawned_pids.empty ())
- {
- error.SetErrorStringWithFormat ("cannot attach to a process %" PRIu64 " when another process with pid %" PRIu64 " is being debugged.", pid, *m_spawned_pids.begin());
- return error;
- }
-
- // Try to attach.
- error = m_platform_sp->AttachNativeProcess (pid, *this, m_debugged_process_sp);
- if (!error.Success ())
- {
- fprintf (stderr, "%s: failed to attach to process %" PRIu64 ": %s", __FUNCTION__, pid, error.AsCString ());
- return error;
- }
-
- // Setup stdout/stderr mapping from inferior.
- auto terminal_fd = m_debugged_process_sp->GetTerminalFileDescriptor ();
- if (terminal_fd >= 0)
- {
- if (log)
- log->Printf ("ProcessGDBRemoteCommunicationServer::%s setting inferior STDIO fd to %d", __FUNCTION__, terminal_fd);
- error = SetSTDIOFileDescriptor (terminal_fd);
- if (error.Fail ())
- return error;
- }
- else
- {
- if (log)
- log->Printf ("ProcessGDBRemoteCommunicationServer::%s ignoring inferior STDIO since terminal fd reported as %d", __FUNCTION__, terminal_fd);
- }
-
- printf ("Attached to process %" PRIu64 "...\n", pid);
-
- // Add to list of spawned processes.
- assert (m_spawned_pids.empty () && "lldb-gdbserver adding tracked process but one already existed");
- m_spawned_pids.insert (pid);
-
- return error;
- }
+ char packet[16];
+ int packet_len = ::snprintf (packet, sizeof(packet), "E%2.2x", err);
+ assert (packet_len < (int)sizeof(packet));
+ return SendPacketNoLock (packet, packet_len);
}
-void
-GDBRemoteCommunicationServer::InitializeDelegate (lldb_private::NativeProcessProtocol *process)
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServer::SendIllFormedResponse (const StringExtractorGDBRemote &failed_packet, const char *message)
{
- assert (process && "process cannot be NULL");
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ Log *log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PACKETS));
if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s called with NativeProcessProtocol pid %" PRIu64 ", current state: %s",
- __FUNCTION__,
- process->GetID (),
- StateAsCString (process->GetState ()));
- }
+ log->Printf ("GDBRemoteCommunicationServer::%s: ILLFORMED: '%s' (%s)", __FUNCTION__, failed_packet.GetStringRef ().c_str (), message ? message : "");
+ return SendErrorResponse (0x03);
}
GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendWResponse (lldb_private::NativeProcessProtocol *process)
+GDBRemoteCommunicationServer::SendOKResponse ()
{
- assert (process && "process cannot be NULL");
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // send W notification
- ExitType exit_type = ExitType::eExitTypeInvalid;
- int return_code = 0;
- std::string exit_description;
-
- const bool got_exit_info = process->GetExitStatus (&exit_type, &return_code, exit_description);
- if (!got_exit_info)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 ", failed to retrieve process exit status", __FUNCTION__, process->GetID ());
-
- StreamGDBRemote response;
- response.PutChar ('E');
- response.PutHex8 (GDBRemoteServerError::eErrorExitStatus);
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 ", returning exit type %d, return code %d [%s]", __FUNCTION__, process->GetID (), exit_type, return_code, exit_description.c_str ());
-
- StreamGDBRemote response;
-
- char return_type_code;
- switch (exit_type)
- {
- case ExitType::eExitTypeExit:
- return_type_code = 'W';
- break;
- case ExitType::eExitTypeSignal:
- return_type_code = 'X';
- break;
- case ExitType::eExitTypeStop:
- return_type_code = 'S';
- break;
- case ExitType::eExitTypeInvalid:
- return_type_code = 'E';
- break;
- }
- response.PutChar (return_type_code);
-
- // POSIX exit status limited to unsigned 8 bits.
- response.PutHex8 (return_code);
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
+ return SendPacketNoLock ("OK", 2);
}
-static void
-AppendHexValue (StreamString &response, const uint8_t* buf, uint32_t buf_size, bool swap)
-{
- int64_t i;
- if (swap)
- {
- for (i = buf_size-1; i >= 0; i--)
- response.PutHex8 (buf[i]);
- }
- else
- {
- for (i = 0; i < buf_size; i++)
- response.PutHex8 (buf[i]);
- }
-}
-
-static void
-WriteRegisterValueInHexFixedWidth (StreamString &response,
- NativeRegisterContextSP ®_ctx_sp,
- const RegisterInfo ®_info,
- const RegisterValue *reg_value_p)
-{
- RegisterValue reg_value;
- if (!reg_value_p)
- {
- Error error = reg_ctx_sp->ReadRegister (®_info, reg_value);
- if (error.Success ())
- reg_value_p = ®_value;
- // else log.
- }
-
- if (reg_value_p)
- {
- AppendHexValue (response, (const uint8_t*) reg_value_p->GetBytes (), reg_value_p->GetByteSize (), false);
- }
- else
- {
- // Zero-out any unreadable values.
- if (reg_info.byte_size > 0)
- {
- std::basic_string<uint8_t> zeros(reg_info.byte_size, '\0');
- AppendHexValue (response, zeros.data(), zeros.size(), false);
- }
- }
-}
-
-// WriteGdbRegnumWithFixedWidthHexRegisterValue (response, reg_ctx_sp, *reg_info_p, reg_value);
-
-
-static void
-WriteGdbRegnumWithFixedWidthHexRegisterValue (StreamString &response,
- NativeRegisterContextSP ®_ctx_sp,
- const RegisterInfo ®_info,
- const RegisterValue ®_value)
-{
- // Output the register number as 'NN:VVVVVVVV;' where NN is a 2 bytes HEX
- // gdb register number, and VVVVVVVV is the correct number of hex bytes
- // as ASCII for the register value.
- if (reg_info.kinds[eRegisterKindGDB] == LLDB_INVALID_REGNUM)
- return;
-
- response.Printf ("%.02x:", reg_info.kinds[eRegisterKindGDB]);
- WriteRegisterValueInHexFixedWidth (response, reg_ctx_sp, reg_info, ®_value);
- response.PutChar (';');
-}
-
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendStopReplyPacketForThread (lldb::tid_t tid)
-{
- Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD));
-
- // Ensure we're llgs.
- if (!IsGdbServer ())
- {
- // Only supported on llgs
- return SendUnimplementedResponse ("");
- }
-
- // Ensure we have a debugged process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- return SendErrorResponse (50);
-
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s preparing packet for pid %" PRIu64 " tid %" PRIu64,
- __FUNCTION__, m_debugged_process_sp->GetID (), tid);
-
- // Ensure we can get info on the given thread.
- NativeThreadProtocolSP thread_sp (m_debugged_process_sp->GetThreadByID (tid));
- if (!thread_sp)
- return SendErrorResponse (51);
-
- // Grab the reason this thread stopped.
- struct ThreadStopInfo tid_stop_info;
- std::string description;
- if (!thread_sp->GetStopReason (tid_stop_info, description))
- return SendErrorResponse (52);
-
- // FIXME implement register handling for exec'd inferiors.
- // if (tid_stop_info.reason == eStopReasonExec)
- // {
- // const bool force = true;
- // InitializeRegisters(force);
- // }
-
- StreamString response;
- // Output the T packet with the thread
- response.PutChar ('T');
- int signum = tid_stop_info.details.signal.signo;
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " tid %" PRIu64 " got signal signo = %d, reason = %d, exc_type = %" PRIu64,
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- tid,
- signum,
- tid_stop_info.reason,
- tid_stop_info.details.exception.type);
- }
-
- // Print the signal number.
- response.PutHex8 (signum & 0xff);
-
- // Include the tid.
- response.Printf ("thread:%" PRIx64 ";", tid);
-
- // Include the thread name if there is one.
- const std::string thread_name = thread_sp->GetName ();
- if (!thread_name.empty ())
- {
- size_t thread_name_len = thread_name.length ();
-
- if (::strcspn (thread_name.c_str (), "$#+-;:") == thread_name_len)
- {
- response.PutCString ("name:");
- response.PutCString (thread_name.c_str ());
- }
- else
- {
- // The thread name contains special chars, send as hex bytes.
- response.PutCString ("hexname:");
- response.PutCStringAsRawHex8 (thread_name.c_str ());
- }
- response.PutChar (';');
- }
-
- // If a 'QListThreadsInStopReply' was sent to enable this feature, we
- // will send all thread IDs back in the "threads" key whose value is
- // a list of hex thread IDs separated by commas:
- // "threads:10a,10b,10c;"
- // This will save the debugger from having to send a pair of qfThreadInfo
- // and qsThreadInfo packets, but it also might take a lot of room in the
- // stop reply packet, so it must be enabled only on systems where there
- // are no limits on packet lengths.
- if (m_list_threads_in_stop_reply)
- {
- response.PutCString ("threads:");
-
- uint32_t thread_index = 0;
- NativeThreadProtocolSP listed_thread_sp;
- for (listed_thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index); listed_thread_sp; ++thread_index, listed_thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index))
- {
- if (thread_index > 0)
- response.PutChar (',');
- response.Printf ("%" PRIx64, listed_thread_sp->GetID ());
- }
- response.PutChar (';');
- }
-
- //
- // Expedite registers.
- //
-
- // Grab the register context.
- NativeRegisterContextSP reg_ctx_sp = thread_sp->GetRegisterContext ();
- if (reg_ctx_sp)
- {
- // Expedite all registers in the first register set (i.e. should be GPRs) that are not contained in other registers.
- const RegisterSet *reg_set_p;
- if (reg_ctx_sp->GetRegisterSetCount () > 0 && ((reg_set_p = reg_ctx_sp->GetRegisterSet (0)) != nullptr))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s expediting registers from set '%s' (registers set count: %zu)", __FUNCTION__, reg_set_p->name ? reg_set_p->name : "<unnamed-set>", reg_set_p->num_registers);
-
- for (const uint32_t *reg_num_p = reg_set_p->registers; *reg_num_p != LLDB_INVALID_REGNUM; ++reg_num_p)
- {
- const RegisterInfo *const reg_info_p = reg_ctx_sp->GetRegisterInfoAtIndex (*reg_num_p);
- if (reg_info_p == nullptr)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to get register info for register set '%s', register index %" PRIu32, __FUNCTION__, reg_set_p->name ? reg_set_p->name : "<unnamed-set>", *reg_num_p);
- }
- else if (reg_info_p->value_regs == nullptr)
- {
- // Only expediate registers that are not contained in other registers.
- RegisterValue reg_value;
- Error error = reg_ctx_sp->ReadRegister (reg_info_p, reg_value);
- if (error.Success ())
- WriteGdbRegnumWithFixedWidthHexRegisterValue (response, reg_ctx_sp, *reg_info_p, reg_value);
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to read register '%s' index %" PRIu32 ": %s", __FUNCTION__, reg_info_p->name ? reg_info_p->name : "<unnamed-register>", *reg_num_p, error.AsCString ());
-
- }
- }
- }
- }
- }
-
- const char* reason_str = nullptr;
- switch (tid_stop_info.reason)
- {
- case eStopReasonTrace:
- reason_str = "trace";
- break;
- case eStopReasonBreakpoint:
- reason_str = "breakpoint";
- break;
- case eStopReasonWatchpoint:
- reason_str = "watchpoint";
- break;
- case eStopReasonSignal:
- reason_str = "signal";
- break;
- case eStopReasonException:
- reason_str = "exception";
- break;
- case eStopReasonExec:
- reason_str = "exec";
- break;
- case eStopReasonInstrumentation:
- case eStopReasonInvalid:
- case eStopReasonPlanComplete:
- case eStopReasonThreadExiting:
- case eStopReasonNone:
- break;
- }
- if (reason_str != nullptr)
- {
- response.Printf ("reason:%s;", reason_str);
- }
-
- if (!description.empty())
- {
- // Description may contains special chars, send as hex bytes.
- response.PutCString ("description:");
- response.PutCStringAsRawHex8 (description.c_str ());
- response.PutChar (';');
- }
- else if ((tid_stop_info.reason == eStopReasonException) && tid_stop_info.details.exception.type)
- {
- response.PutCString ("metype:");
- response.PutHex64 (tid_stop_info.details.exception.type);
- response.PutCString (";mecount:");
- response.PutHex32 (tid_stop_info.details.exception.data_count);
- response.PutChar (';');
-
- for (uint32_t i = 0; i < tid_stop_info.details.exception.data_count; ++i)
- {
- response.PutCString ("medata:");
- response.PutHex64 (tid_stop_info.details.exception.data[i]);
- response.PutChar (';');
- }
- }
-
- return SendPacketNoLock (response.GetData(), response.GetSize());
-}
-
-void
-GDBRemoteCommunicationServer::HandleInferiorState_Exited (lldb_private::NativeProcessProtocol *process)
-{
- assert (process && "process cannot be NULL");
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s called", __FUNCTION__);
-
- // Send the exit result, and don't flush output.
- // Note: flushing output here would join the inferior stdio reflection thread, which
- // would gunk up the waitpid monitor thread that is calling this.
- PacketResult result = SendStopReasonForState (StateType::eStateExited, false);
- if (result != PacketResult::Success)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to send stop notification for PID %" PRIu64 ", state: eStateExited", __FUNCTION__, process->GetID ());
- }
-
- // Remove the process from the list of spawned pids.
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.erase (process->GetID ()) < 1)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to remove PID %" PRIu64 " from the spawned pids list", __FUNCTION__, process->GetID ());
-
- }
- }
-
- // FIXME can't do this yet - since process state propagation is currently
- // synchronous, it is running off the NativeProcessProtocol's innards and
- // will tear down the NPP while it still has code to execute.
-#if 0
- // Clear the NativeProcessProtocol pointer.
- {
- Mutex::Locker locker (m_debugged_process_mutex);
- m_debugged_process_sp.reset();
- }
-#endif
-
- // Close the pipe to the inferior terminal i/o if we launched it
- // and set one up. Otherwise, 'k' and its flush of stdio could
- // end up waiting on a thread join that will never end. Consider
- // adding a timeout to the connection thread join call so we
- // can avoid that scenario altogether.
- MaybeCloseInferiorTerminalConnection ();
-
- // We are ready to exit the debug monitor.
- m_exit_now = true;
-}
-
-void
-GDBRemoteCommunicationServer::HandleInferiorState_Stopped (lldb_private::NativeProcessProtocol *process)
-{
- assert (process && "process cannot be NULL");
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s called", __FUNCTION__);
-
- // Send the stop reason unless this is the stop after the
- // launch or attach.
- switch (m_inferior_prev_state)
- {
- case eStateLaunching:
- case eStateAttaching:
- // Don't send anything per debugserver behavior.
- break;
- default:
- // In all other cases, send the stop reason.
- PacketResult result = SendStopReasonForState (StateType::eStateStopped, false);
- if (result != PacketResult::Success)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to send stop notification for PID %" PRIu64 ", state: eStateExited", __FUNCTION__, process->GetID ());
- }
- break;
- }
-}
-
-void
-GDBRemoteCommunicationServer::ProcessStateChanged (lldb_private::NativeProcessProtocol *process, lldb::StateType state)
-{
- assert (process && "process cannot be NULL");
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s called with NativeProcessProtocol pid %" PRIu64 ", state: %s",
- __FUNCTION__,
- process->GetID (),
- StateAsCString (state));
- }
-
- switch (state)
- {
- case StateType::eStateExited:
- HandleInferiorState_Exited (process);
- break;
-
- case StateType::eStateStopped:
- HandleInferiorState_Stopped (process);
- break;
-
- default:
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s didn't handle state change for pid %" PRIu64 ", new state: %s",
- __FUNCTION__,
- process->GetID (),
- StateAsCString (state));
- }
- break;
- }
-
- // Remember the previous state reported to us.
- m_inferior_prev_state = state;
-}
-
-void
-GDBRemoteCommunicationServer::DidExec (NativeProcessProtocol *process)
-{
- ClearProcessSpecificData ();
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendONotification (const char *buffer, uint32_t len)
-{
- if ((buffer == nullptr) || (len == 0))
- {
- // Nothing to send.
- return PacketResult::Success;
- }
-
- StreamString response;
- response.PutChar ('O');
- response.PutBytesAsRawHex8 (buffer, len);
-
- return SendPacketNoLock (response.GetData (), response.GetSize ());
-}
-
-lldb_private::Error
-GDBRemoteCommunicationServer::SetSTDIOFileDescriptor (int fd)
-{
- Error error;
-
- // Set up the Read Thread for reading/handling process I/O
- std::unique_ptr<ConnectionFileDescriptor> conn_up (new ConnectionFileDescriptor (fd, true));
- if (!conn_up)
- {
- error.SetErrorString ("failed to create ConnectionFileDescriptor");
- return error;
- }
-
- m_stdio_communication.SetConnection (conn_up.release());
- if (!m_stdio_communication.IsConnected ())
- {
- error.SetErrorString ("failed to set connection for inferior I/O communication");
- return error;
- }
-
- m_stdio_communication.SetReadThreadBytesReceivedCallback (STDIOReadThreadBytesReceived, this);
- m_stdio_communication.StartReadThread();
-
- return error;
-}
-
-void
-GDBRemoteCommunicationServer::STDIOReadThreadBytesReceived (void *baton, const void *src, size_t src_len)
-{
- GDBRemoteCommunicationServer *server = reinterpret_cast<GDBRemoteCommunicationServer*> (baton);
- static_cast<void> (server->SendONotification (static_cast<const char *>(src), src_len));
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendUnimplementedResponse (const char *)
-{
- // TODO: Log the packet we aren't handling...
- return SendPacketNoLock ("", 0);
-}
-
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendErrorResponse (uint8_t err)
-{
- char packet[16];
- int packet_len = ::snprintf (packet, sizeof(packet), "E%2.2x", err);
- assert (packet_len < (int)sizeof(packet));
- return SendPacketNoLock (packet, packet_len);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendIllFormedResponse (const StringExtractorGDBRemote &failed_packet, const char *message)
-{
- Log *log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PACKETS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s: ILLFORMED: '%s' (%s)", __FUNCTION__, failed_packet.GetStringRef ().c_str (), message ? message : "");
- return SendErrorResponse (0x03);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendOKResponse ()
-{
- return SendPacketNoLock ("OK", 2);
-}
-
-bool
-GDBRemoteCommunicationServer::HandshakeWithClient(Error *error_ptr)
+bool
+GDBRemoteCommunicationServer::HandshakeWithClient(Error *error_ptr)
{
return GetAck() == PacketResult::Success;
}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qHostInfo (StringExtractorGDBRemote &packet)
-{
- StreamString response;
-
- // $cputype:16777223;cpusubtype:3;ostype:Darwin;vendor:apple;endian:little;ptrsize:8;#00
-
- ArchSpec host_arch(HostInfo::GetArchitecture());
- const llvm::Triple &host_triple = host_arch.GetTriple();
- response.PutCString("triple:");
- response.PutCStringAsRawHex8(host_triple.getTriple().c_str());
- response.Printf (";ptrsize:%u;",host_arch.GetAddressByteSize());
-
- const char* distribution_id = host_arch.GetDistributionId ().AsCString ();
- if (distribution_id)
- {
- response.PutCString("distribution_id:");
- response.PutCStringAsRawHex8(distribution_id);
- response.PutCString(";");
- }
-
- // Only send out MachO info when lldb-platform/llgs is running on a MachO host.
-#if defined(__APPLE__)
- uint32_t cpu = host_arch.GetMachOCPUType();
- uint32_t sub = host_arch.GetMachOCPUSubType();
- if (cpu != LLDB_INVALID_CPUTYPE)
- response.Printf ("cputype:%u;", cpu);
- if (sub != LLDB_INVALID_CPUTYPE)
- response.Printf ("cpusubtype:%u;", sub);
-
- if (cpu == ArchSpec::kCore_arm_any)
- response.Printf("watchpoint_exceptions_received:before;"); // On armv7 we use "synchronous" watchpoints which means the exception is delivered before the instruction executes.
- else
- response.Printf("watchpoint_exceptions_received:after;");
-#else
- response.Printf("watchpoint_exceptions_received:after;");
-#endif
-
- switch (lldb::endian::InlHostByteOrder())
- {
- case eByteOrderBig: response.PutCString ("endian:big;"); break;
- case eByteOrderLittle: response.PutCString ("endian:little;"); break;
- case eByteOrderPDP: response.PutCString ("endian:pdp;"); break;
- default: response.PutCString ("endian:unknown;"); break;
- }
-
- uint32_t major = UINT32_MAX;
- uint32_t minor = UINT32_MAX;
- uint32_t update = UINT32_MAX;
- if (HostInfo::GetOSVersion(major, minor, update))
- {
- if (major != UINT32_MAX)
- {
- response.Printf("os_version:%u", major);
- if (minor != UINT32_MAX)
- {
- response.Printf(".%u", minor);
- if (update != UINT32_MAX)
- response.Printf(".%u", update);
- }
- response.PutChar(';');
- }
- }
-
- std::string s;
- if (HostInfo::GetOSBuildString(s))
- {
- response.PutCString ("os_build:");
- response.PutCStringAsRawHex8(s.c_str());
- response.PutChar(';');
- }
- if (HostInfo::GetOSKernelDescription(s))
- {
- response.PutCString ("os_kernel:");
- response.PutCStringAsRawHex8(s.c_str());
- response.PutChar(';');
- }
-
-#if defined(__APPLE__)
-
-#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
- // For iOS devices, we are connected through a USB Mux so we never pretend
- // to actually have a hostname as far as the remote lldb that is connecting
- // to this lldb-platform is concerned
- response.PutCString ("hostname:");
- response.PutCStringAsRawHex8("127.0.0.1");
- response.PutChar(';');
-#else // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
- if (HostInfo::GetHostname(s))
- {
- response.PutCString ("hostname:");
- response.PutCStringAsRawHex8(s.c_str());
- response.PutChar(';');
- }
-#endif // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
-
-#else // #if defined(__APPLE__)
- if (HostInfo::GetHostname(s))
- {
- response.PutCString ("hostname:");
- response.PutCStringAsRawHex8(s.c_str());
- response.PutChar(';');
- }
-#endif // #if defined(__APPLE__)
-
- return SendPacketNoLock (response.GetData(), response.GetSize());
-}
-
-static void
-CreateProcessInfoResponse (const ProcessInstanceInfo &proc_info, StreamString &response)
-{
- response.Printf ("pid:%" PRIu64 ";ppid:%" PRIu64 ";uid:%i;gid:%i;euid:%i;egid:%i;",
- proc_info.GetProcessID(),
- proc_info.GetParentProcessID(),
- proc_info.GetUserID(),
- proc_info.GetGroupID(),
- proc_info.GetEffectiveUserID(),
- proc_info.GetEffectiveGroupID());
- response.PutCString ("name:");
- response.PutCStringAsRawHex8(proc_info.GetName());
- response.PutChar(';');
- const ArchSpec &proc_arch = proc_info.GetArchitecture();
- if (proc_arch.IsValid())
- {
- const llvm::Triple &proc_triple = proc_arch.GetTriple();
- response.PutCString("triple:");
- response.PutCStringAsRawHex8(proc_triple.getTriple().c_str());
- response.PutChar(';');
- }
-}
-
-static void
-CreateProcessInfoResponse_DebugServerStyle (const ProcessInstanceInfo &proc_info, StreamString &response)
-{
- response.Printf ("pid:%" PRIx64 ";parent-pid:%" PRIx64 ";real-uid:%x;real-gid:%x;effective-uid:%x;effective-gid:%x;",
- proc_info.GetProcessID(),
- proc_info.GetParentProcessID(),
- proc_info.GetUserID(),
- proc_info.GetGroupID(),
- proc_info.GetEffectiveUserID(),
- proc_info.GetEffectiveGroupID());
-
- const ArchSpec &proc_arch = proc_info.GetArchitecture();
- if (proc_arch.IsValid())
- {
- const llvm::Triple &proc_triple = proc_arch.GetTriple();
-#if defined(__APPLE__)
- // We'll send cputype/cpusubtype.
- const uint32_t cpu_type = proc_arch.GetMachOCPUType();
- if (cpu_type != 0)
- response.Printf ("cputype:%" PRIx32 ";", cpu_type);
-
- const uint32_t cpu_subtype = proc_arch.GetMachOCPUSubType();
- if (cpu_subtype != 0)
- response.Printf ("cpusubtype:%" PRIx32 ";", cpu_subtype);
-
-
- const std::string vendor = proc_triple.getVendorName ();
- if (!vendor.empty ())
- response.Printf ("vendor:%s;", vendor.c_str ());
-#else
- // We'll send the triple.
- response.PutCString("triple:");
- response.PutCStringAsRawHex8(proc_triple.getTriple().c_str());
- response.PutChar(';');
-
-#endif
- std::string ostype = proc_triple.getOSName ();
- // Adjust so ostype reports ios for Apple/ARM and Apple/ARM64.
- if (proc_triple.getVendor () == llvm::Triple::Apple)
- {
- switch (proc_triple.getArch ())
- {
- case llvm::Triple::arm:
- case llvm::Triple::aarch64:
- ostype = "ios";
- break;
- default:
- // No change.
- break;
- }
- }
- response.Printf ("ostype:%s;", ostype.c_str ());
-
-
- switch (proc_arch.GetByteOrder ())
- {
- case lldb::eByteOrderLittle: response.PutCString ("endian:little;"); break;
- case lldb::eByteOrderBig: response.PutCString ("endian:big;"); break;
- case lldb::eByteOrderPDP: response.PutCString ("endian:pdp;"); break;
- default:
- // Nothing.
- break;
- }
-
- if (proc_triple.isArch64Bit ())
- response.PutCString ("ptrsize:8;");
- else if (proc_triple.isArch32Bit ())
- response.PutCString ("ptrsize:4;");
- else if (proc_triple.isArch16Bit ())
- response.PutCString ("ptrsize:2;");
- }
-
-}
-
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qProcessInfo (StringExtractorGDBRemote &packet)
-{
- lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
-
- if (IsGdbServer ())
- {
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- return SendErrorResponse (68);
-
- pid = m_debugged_process_sp->GetID ();
- }
- else if (m_is_platform)
- {
- pid = m_process_launch_info.GetProcessID ();
- m_process_launch_info.Clear ();
- }
- else
- return SendUnimplementedResponse (packet.GetStringRef ().c_str ());
-
- if (pid == LLDB_INVALID_PROCESS_ID)
- return SendErrorResponse (1);
-
- ProcessInstanceInfo proc_info;
- if (!Host::GetProcessInfo (pid, proc_info))
- return SendErrorResponse (1);
-
- StreamString response;
- CreateProcessInfoResponse_DebugServerStyle(proc_info, response);
- return SendPacketNoLock (response.GetData (), response.GetSize ());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qProcessInfoPID (StringExtractorGDBRemote &packet)
-{
- // Packet format: "qProcessInfoPID:%i" where %i is the pid
- packet.SetFilePos(::strlen ("qProcessInfoPID:"));
- lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID);
- if (pid != LLDB_INVALID_PROCESS_ID)
- {
- ProcessInstanceInfo proc_info;
- if (Host::GetProcessInfo(pid, proc_info))
- {
- StreamString response;
- CreateProcessInfoResponse (proc_info, response);
- return SendPacketNoLock (response.GetData(), response.GetSize());
- }
- }
- return SendErrorResponse (1);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qfProcessInfo (StringExtractorGDBRemote &packet)
-{
- m_proc_infos_index = 0;
- m_proc_infos.Clear();
-
- ProcessInstanceInfoMatch match_info;
- packet.SetFilePos(::strlen ("qfProcessInfo"));
- if (packet.GetChar() == ':')
- {
-
- std::string key;
- std::string value;
- while (packet.GetNameColonValue(key, value))
- {
- bool success = true;
- if (key.compare("name") == 0)
- {
- StringExtractor extractor;
- extractor.GetStringRef().swap(value);
- extractor.GetHexByteString (value);
- match_info.GetProcessInfo().GetExecutableFile().SetFile(value.c_str(), false);
- }
- else if (key.compare("name_match") == 0)
- {
- if (value.compare("equals") == 0)
- {
- match_info.SetNameMatchType (eNameMatchEquals);
- }
- else if (value.compare("starts_with") == 0)
- {
- match_info.SetNameMatchType (eNameMatchStartsWith);
- }
- else if (value.compare("ends_with") == 0)
- {
- match_info.SetNameMatchType (eNameMatchEndsWith);
- }
- else if (value.compare("contains") == 0)
- {
- match_info.SetNameMatchType (eNameMatchContains);
- }
- else if (value.compare("regex") == 0)
- {
- match_info.SetNameMatchType (eNameMatchRegularExpression);
- }
- else
- {
- success = false;
- }
- }
- else if (key.compare("pid") == 0)
- {
- match_info.GetProcessInfo().SetProcessID (StringConvert::ToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
- }
- else if (key.compare("parent_pid") == 0)
- {
- match_info.GetProcessInfo().SetParentProcessID (StringConvert::ToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
- }
- else if (key.compare("uid") == 0)
- {
- match_info.GetProcessInfo().SetUserID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
- }
- else if (key.compare("gid") == 0)
- {
- match_info.GetProcessInfo().SetGroupID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
- }
- else if (key.compare("euid") == 0)
- {
- match_info.GetProcessInfo().SetEffectiveUserID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
- }
- else if (key.compare("egid") == 0)
- {
- match_info.GetProcessInfo().SetEffectiveGroupID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
- }
- else if (key.compare("all_users") == 0)
- {
- match_info.SetMatchAllUsers(Args::StringToBoolean(value.c_str(), false, &success));
- }
- else if (key.compare("triple") == 0)
- {
- match_info.GetProcessInfo().GetArchitecture().SetTriple (value.c_str(), NULL);
- }
- else
- {
- success = false;
- }
-
- if (!success)
- return SendErrorResponse (2);
- }
- }
-
- if (Host::FindProcesses (match_info, m_proc_infos))
- {
- // We found something, return the first item by calling the get
- // subsequent process info packet handler...
- return Handle_qsProcessInfo (packet);
- }
- return SendErrorResponse (3);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qsProcessInfo (StringExtractorGDBRemote &packet)
-{
- if (m_proc_infos_index < m_proc_infos.GetSize())
- {
- StreamString response;
- CreateProcessInfoResponse (m_proc_infos.GetProcessInfoAtIndex(m_proc_infos_index), response);
- ++m_proc_infos_index;
- return SendPacketNoLock (response.GetData(), response.GetSize());
- }
- return SendErrorResponse (4);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qUserName (StringExtractorGDBRemote &packet)
-{
-#if !defined(LLDB_DISABLE_POSIX)
- // Packet format: "qUserName:%i" where %i is the uid
- packet.SetFilePos(::strlen ("qUserName:"));
- uint32_t uid = packet.GetU32 (UINT32_MAX);
- if (uid != UINT32_MAX)
- {
- std::string name;
- if (HostInfo::LookupUserName(uid, name))
- {
- StreamString response;
- response.PutCStringAsRawHex8 (name.c_str());
- return SendPacketNoLock (response.GetData(), response.GetSize());
- }
- }
-#endif
- return SendErrorResponse (5);
-
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qGroupName (StringExtractorGDBRemote &packet)
-{
-#if !defined(LLDB_DISABLE_POSIX)
- // Packet format: "qGroupName:%i" where %i is the gid
- packet.SetFilePos(::strlen ("qGroupName:"));
- uint32_t gid = packet.GetU32 (UINT32_MAX);
- if (gid != UINT32_MAX)
- {
- std::string name;
- if (HostInfo::LookupGroupName(gid, name))
- {
- StreamString response;
- response.PutCStringAsRawHex8 (name.c_str());
- return SendPacketNoLock (response.GetData(), response.GetSize());
- }
- }
-#endif
- return SendErrorResponse (6);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qSpeedTest (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("qSpeedTest:"));
-
- std::string key;
- std::string value;
- bool success = packet.GetNameColonValue(key, value);
- if (success && key.compare("response_size") == 0)
- {
- uint32_t response_size = StringConvert::ToUInt32(value.c_str(), 0, 0, &success);
- if (success)
- {
- if (response_size == 0)
- return SendOKResponse();
- StreamString response;
- uint32_t bytes_left = response_size;
- response.PutCString("data:");
- while (bytes_left > 0)
- {
- if (bytes_left >= 26)
- {
- response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
- bytes_left -= 26;
- }
- else
- {
- response.Printf ("%*.*s;", bytes_left, bytes_left, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
- bytes_left = 0;
- }
- }
- return SendPacketNoLock (response.GetData(), response.GetSize());
- }
- }
- return SendErrorResponse (7);
-}
-
-//
-//static bool
-//WaitForProcessToSIGSTOP (const lldb::pid_t pid, const int timeout_in_seconds)
-//{
-// const int time_delta_usecs = 100000;
-// const int num_retries = timeout_in_seconds/time_delta_usecs;
-// for (int i=0; i<num_retries; i++)
-// {
-// struct proc_bsdinfo bsd_info;
-// int error = ::proc_pidinfo (pid, PROC_PIDTBSDINFO,
-// (uint64_t) 0,
-// &bsd_info,
-// PROC_PIDTBSDINFO_SIZE);
-//
-// switch (error)
-// {
-// case EINVAL:
-// case ENOTSUP:
-// case ESRCH:
-// case EPERM:
-// return false;
-//
-// default:
-// break;
-//
-// case 0:
-// if (bsd_info.pbi_status == SSTOP)
-// return true;
-// }
-// ::usleep (time_delta_usecs);
-// }
-// return false;
-//}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_A (StringExtractorGDBRemote &packet)
-{
- // The 'A' packet is the most over designed packet ever here with
- // redundant argument indexes, redundant argument lengths and needed hex
- // encoded argument string values. Really all that is needed is a comma
- // separated hex encoded argument value list, but we will stay true to the
- // documented version of the 'A' packet here...
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- int actual_arg_index = 0;
-
- packet.SetFilePos(1); // Skip the 'A'
- bool success = true;
- while (success && packet.GetBytesLeft() > 0)
- {
- // Decode the decimal argument string length. This length is the
- // number of hex nibbles in the argument string value.
- const uint32_t arg_len = packet.GetU32(UINT32_MAX);
- if (arg_len == UINT32_MAX)
- success = false;
- else
- {
- // Make sure the argument hex string length is followed by a comma
- if (packet.GetChar() != ',')
- success = false;
- else
- {
- // Decode the argument index. We ignore this really because
- // who would really send down the arguments in a random order???
- const uint32_t arg_idx = packet.GetU32(UINT32_MAX);
- if (arg_idx == UINT32_MAX)
- success = false;
- else
- {
- // Make sure the argument index is followed by a comma
- if (packet.GetChar() != ',')
- success = false;
- else
- {
- // Decode the argument string value from hex bytes
- // back into a UTF8 string and make sure the length
- // matches the one supplied in the packet
- std::string arg;
- if (packet.GetHexByteStringFixedLength(arg, arg_len) != (arg_len / 2))
- success = false;
- else
- {
- // If there are any bytes left
- if (packet.GetBytesLeft())
- {
- if (packet.GetChar() != ',')
- success = false;
- }
-
- if (success)
- {
- if (arg_idx == 0)
- m_process_launch_info.GetExecutableFile().SetFile(arg.c_str(), false);
- m_process_launch_info.GetArguments().AppendArgument(arg.c_str());
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s added arg %d: \"%s\"", __FUNCTION__, actual_arg_index, arg.c_str ());
- ++actual_arg_index;
- }
- }
- }
- }
- }
- }
- }
-
- if (success)
- {
- m_process_launch_error = LaunchProcess ();
- if (m_process_launch_info.GetProcessID() != LLDB_INVALID_PROCESS_ID)
- {
- return SendOKResponse ();
- }
- else
- {
- Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf("GDBRemoteCommunicationServer::%s failed to launch exe: %s",
- __FUNCTION__,
- m_process_launch_error.AsCString());
-
- }
- }
- return SendErrorResponse (8);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qC (StringExtractorGDBRemote &packet)
-{
- StreamString response;
-
- if (IsGdbServer ())
- {
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- return SendErrorResponse (68);
-
- // Make sure we set the current thread so g and p packets return
- // the data the gdb will expect.
- lldb::tid_t tid = m_debugged_process_sp->GetCurrentThreadID ();
- SetCurrentThreadID (tid);
-
- NativeThreadProtocolSP thread_sp = m_debugged_process_sp->GetCurrentThread ();
- if (!thread_sp)
- return SendErrorResponse (69);
-
- response.Printf ("QC%" PRIx64, thread_sp->GetID ());
- }
- else
- {
- // NOTE: lldb should now be using qProcessInfo for process IDs. This path here
- // should not be used. It is reporting process id instead of thread id. The
- // correct answer doesn't seem to make much sense for lldb-platform.
- // CONSIDER: flip to "unsupported".
- lldb::pid_t pid = m_process_launch_info.GetProcessID();
- response.Printf("QC%" PRIx64, pid);
-
- // this should always be platform here
- assert (m_is_platform && "this code path should only be traversed for lldb-platform");
-
- if (m_is_platform)
- {
- // If we launch a process and this GDB server is acting as a platform,
- // then we need to clear the process launch state so we can start
- // launching another process. In order to launch a process a bunch or
- // packets need to be sent: environment packets, working directory,
- // disable ASLR, and many more settings. When we launch a process we
- // then need to know when to clear this information. Currently we are
- // selecting the 'qC' packet as that packet which seems to make the most
- // sense.
- if (pid != LLDB_INVALID_PROCESS_ID)
- {
- m_process_launch_info.Clear();
- }
- }
- }
- return SendPacketNoLock (response.GetData(), response.GetSize());
-}
-
-bool
-GDBRemoteCommunicationServer::DebugserverProcessReaped (lldb::pid_t pid)
-{
- Mutex::Locker locker (m_spawned_pids_mutex);
- FreePortForProcess(pid);
- return m_spawned_pids.erase(pid) > 0;
-}
-bool
-GDBRemoteCommunicationServer::ReapDebugserverProcess (void *callback_baton,
- lldb::pid_t pid,
- bool exited,
- int signal, // Zero for no signal
- int status) // Exit value of process if signal is zero
-{
- GDBRemoteCommunicationServer *server = (GDBRemoteCommunicationServer *)callback_baton;
- server->DebugserverProcessReaped (pid);
- return true;
-}
-
-bool
-GDBRemoteCommunicationServer::DebuggedProcessReaped (lldb::pid_t pid)
-{
- // reap a process that we were debugging (but not debugserver)
- Mutex::Locker locker (m_spawned_pids_mutex);
- return m_spawned_pids.erase(pid) > 0;
-}
-
-bool
-GDBRemoteCommunicationServer::ReapDebuggedProcess (void *callback_baton,
- lldb::pid_t pid,
- bool exited,
- int signal, // Zero for no signal
- int status) // Exit value of process if signal is zero
-{
- GDBRemoteCommunicationServer *server = (GDBRemoteCommunicationServer *)callback_baton;
- server->DebuggedProcessReaped (pid);
- return true;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
-{
-#ifdef _WIN32
- return SendErrorResponse(9);
-#else
- Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
-
- // Spawn a local debugserver as a platform so we can then attach or launch
- // a process...
-
- if (m_is_platform)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() called", __FUNCTION__);
-
- // Sleep and wait a bit for debugserver to start to listen...
- ConnectionFileDescriptor file_conn;
- std::string hostname;
- // TODO: /tmp/ should not be hardcoded. User might want to override /tmp
- // with the TMPDIR environment variable
- packet.SetFilePos(::strlen ("qLaunchGDBServer;"));
- std::string name;
- std::string value;
- uint16_t port = UINT16_MAX;
- while (packet.GetNameColonValue(name, value))
- {
- if (name.compare ("host") == 0)
- hostname.swap(value);
- else if (name.compare ("port") == 0)
- port = StringConvert::ToUInt32(value.c_str(), 0, 0);
- }
- if (port == UINT16_MAX)
- port = GetNextAvailablePort();
-
- // Spawn a new thread to accept the port that gets bound after
- // binding to port 0 (zero).
-
- // ignore the hostname send from the remote end, just use the ip address
- // that we're currently communicating with as the hostname
-
- // Spawn a debugserver and try to get the port it listens to.
- ProcessLaunchInfo debugserver_launch_info;
- if (hostname.empty())
- hostname = "127.0.0.1";
- if (log)
- log->Printf("Launching debugserver with: %s:%u...\n", hostname.c_str(), port);
-
- // Do not run in a new session so that it can not linger after the
- // platform closes.
- debugserver_launch_info.SetLaunchInSeparateProcessGroup(false);
- debugserver_launch_info.SetMonitorProcessCallback(ReapDebugserverProcess, this, false);
-
- std::string platform_scheme;
- std::string platform_ip;
- int platform_port;
- std::string platform_path;
- bool ok = UriParser::Parse(GetConnection()->GetURI().c_str(), platform_scheme, platform_ip, platform_port, platform_path);
- assert(ok);
- Error error = StartDebugserverProcess (
- platform_ip.c_str(),
- port,
- debugserver_launch_info,
- port);
-
- lldb::pid_t debugserver_pid = debugserver_launch_info.GetProcessID();
-
-
- if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- m_spawned_pids.insert(debugserver_pid);
- if (port > 0)
- AssociatePortWithProcess(port, debugserver_pid);
- }
- else
- {
- if (port > 0)
- FreePort (port);
- }
-
- if (error.Success())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() debugserver launched successfully as pid %" PRIu64, __FUNCTION__, debugserver_pid);
-
- char response[256];
- const int response_len = ::snprintf (response, sizeof(response), "pid:%" PRIu64 ";port:%u;", debugserver_pid, port + m_port_offset);
- assert (response_len < (int)sizeof(response));
- PacketResult packet_result = SendPacketNoLock (response, response_len);
-
- if (packet_result != PacketResult::Success)
- {
- if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
- ::kill (debugserver_pid, SIGINT);
- }
- return packet_result;
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() debugserver launch failed: %s", __FUNCTION__, error.AsCString ());
- }
- }
- return SendErrorResponse (9);
-#endif
-}
-
-bool
-GDBRemoteCommunicationServer::KillSpawnedProcess (lldb::pid_t pid)
-{
- // make sure we know about this process
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.find(pid) == m_spawned_pids.end())
- return false;
- }
-
- // first try a SIGTERM (standard kill)
- Host::Kill (pid, SIGTERM);
-
- // check if that worked
- for (size_t i=0; i<10; ++i)
- {
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.find(pid) == m_spawned_pids.end())
- {
- // it is now killed
- return true;
- }
- }
- usleep (10000);
- }
-
- // check one more time after the final usleep
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.find(pid) == m_spawned_pids.end())
- return true;
- }
-
- // the launched process still lives. Now try killing it again,
- // this time with an unblockable signal.
- Host::Kill (pid, SIGKILL);
-
- for (size_t i=0; i<10; ++i)
- {
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.find(pid) == m_spawned_pids.end())
- {
- // it is now killed
- return true;
- }
- }
- usleep (10000);
- }
-
- // check one more time after the final usleep
- // Scope for locker
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.find(pid) == m_spawned_pids.end())
- return true;
- }
-
- // no luck - the process still lives
- return false;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("qKillSpawnedProcess:"));
-
- lldb::pid_t pid = packet.GetU64(LLDB_INVALID_PROCESS_ID);
-
- // verify that we know anything about this pid.
- // Scope for locker
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- if (m_spawned_pids.find(pid) == m_spawned_pids.end())
- {
- // not a pid we know about
- return SendErrorResponse (10);
- }
- }
-
- // go ahead and attempt to kill the spawned process
- if (KillSpawnedProcess (pid))
- return SendOKResponse ();
- else
- return SendErrorResponse (11);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_k (StringExtractorGDBRemote &packet)
-{
- // ignore for now if we're lldb_platform
- if (m_is_platform)
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
-
- // shutdown all spawned processes
- std::set<lldb::pid_t> spawned_pids_copy;
-
- // copy pids
- {
- Mutex::Locker locker (m_spawned_pids_mutex);
- spawned_pids_copy.insert (m_spawned_pids.begin (), m_spawned_pids.end ());
- }
-
- // nuke the spawned processes
- for (auto it = spawned_pids_copy.begin (); it != spawned_pids_copy.end (); ++it)
- {
- lldb::pid_t spawned_pid = *it;
- if (!KillSpawnedProcess (spawned_pid))
- {
- fprintf (stderr, "%s: failed to kill spawned pid %" PRIu64 ", ignoring.\n", __FUNCTION__, spawned_pid);
- }
- }
-
- FlushInferiorOutput ();
-
- // No OK response for kill packet.
- // return SendOKResponse ();
- return PacketResult::Success;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qLaunchSuccess (StringExtractorGDBRemote &packet)
-{
- if (m_process_launch_error.Success())
- return SendOKResponse();
- StreamString response;
- response.PutChar('E');
- response.PutCString(m_process_launch_error.AsCString("<unknown error>"));
- return SendPacketNoLock (response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QEnvironment (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QEnvironment:"));
- const uint32_t bytes_left = packet.GetBytesLeft();
- if (bytes_left > 0)
- {
- m_process_launch_info.GetEnvironmentEntries ().AppendArgument (packet.Peek());
- return SendOKResponse ();
- }
- return SendErrorResponse (12);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QLaunchArch (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QLaunchArch:"));
- const uint32_t bytes_left = packet.GetBytesLeft();
- if (bytes_left > 0)
- {
- const char* arch_triple = packet.Peek();
- ArchSpec arch_spec(arch_triple,NULL);
- m_process_launch_info.SetArchitecture(arch_spec);
- return SendOKResponse();
- }
- return SendErrorResponse(13);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QSetDisableASLR (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QSetDisableASLR:"));
- if (packet.GetU32(0))
- m_process_launch_info.GetFlags().Set (eLaunchFlagDisableASLR);
- else
- m_process_launch_info.GetFlags().Clear (eLaunchFlagDisableASLR);
- return SendOKResponse ();
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QSetWorkingDir (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QSetWorkingDir:"));
- std::string path;
- packet.GetHexByteString(path);
- if (m_is_platform)
- {
-#ifdef _WIN32
- // Not implemented on Windows
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_QSetWorkingDir unimplemented");
-#else
- // If this packet is sent to a platform, then change the current working directory
- if (::chdir(path.c_str()) != 0)
- return SendErrorResponse(errno);
-#endif
- }
- else
- {
- m_process_launch_info.SwapWorkingDirectory (path);
- }
- return SendOKResponse ();
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qGetWorkingDir (StringExtractorGDBRemote &packet)
-{
- StreamString response;
-
- if (m_is_platform)
- {
- // If this packet is sent to a platform, then change the current working directory
- char cwd[PATH_MAX];
- if (getcwd(cwd, sizeof(cwd)) == NULL)
- {
- return SendErrorResponse(errno);
- }
- else
- {
- response.PutBytesAsRawHex8(cwd, strlen(cwd));
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- }
- else
- {
- const char *working_dir = m_process_launch_info.GetWorkingDirectory();
- if (working_dir && working_dir[0])
- {
- response.PutBytesAsRawHex8(working_dir, strlen(working_dir));
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- else
- {
- return SendErrorResponse(14);
- }
- }
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QSetSTDIN (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QSetSTDIN:"));
- FileAction file_action;
- std::string path;
- packet.GetHexByteString(path);
- const bool read = false;
- const bool write = true;
- if (file_action.Open(STDIN_FILENO, path.c_str(), read, write))
- {
- m_process_launch_info.AppendFileAction(file_action);
- return SendOKResponse ();
- }
- return SendErrorResponse (15);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QSetSTDOUT (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QSetSTDOUT:"));
- FileAction file_action;
- std::string path;
- packet.GetHexByteString(path);
- const bool read = true;
- const bool write = false;
- if (file_action.Open(STDOUT_FILENO, path.c_str(), read, write))
- {
- m_process_launch_info.AppendFileAction(file_action);
- return SendOKResponse ();
- }
- return SendErrorResponse (16);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QSetSTDERR (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QSetSTDERR:"));
- FileAction file_action;
- std::string path;
- packet.GetHexByteString(path);
- const bool read = true;
- const bool write = false;
- if (file_action.Open(STDERR_FILENO, path.c_str(), read, write))
- {
- m_process_launch_info.AppendFileAction(file_action);
- return SendOKResponse ();
- }
- return SendErrorResponse (17);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_C (StringExtractorGDBRemote &packet)
-{
- if (!IsGdbServer ())
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|LIBLLDB_LOG_THREAD));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s called", __FUNCTION__);
-
- // Ensure we have a native process.
- if (!m_debugged_process_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s no debugged process shared pointer", __FUNCTION__);
- return SendErrorResponse (0x36);
- }
-
- // Pull out the signal number.
- packet.SetFilePos (::strlen ("C"));
- if (packet.GetBytesLeft () < 1)
- {
- // Shouldn't be using a C without a signal.
- return SendIllFormedResponse (packet, "C packet specified without signal.");
- }
- const uint32_t signo = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
- if (signo == std::numeric_limits<uint32_t>::max ())
- return SendIllFormedResponse (packet, "failed to parse signal number");
-
- // Handle optional continue address.
- if (packet.GetBytesLeft () > 0)
- {
- // FIXME add continue at address support for $C{signo}[;{continue-address}].
- if (*packet.Peek () == ';')
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
- else
- return SendIllFormedResponse (packet, "unexpected content after $C{signal-number}");
- }
-
- lldb_private::ResumeActionList resume_actions (StateType::eStateRunning, 0);
- Error error;
-
- // We have two branches: what to do if a continue thread is specified (in which case we target
- // sending the signal to that thread), or when we don't have a continue thread set (in which
- // case we send a signal to the process).
-
- // TODO discuss with Greg Clayton, make sure this makes sense.
-
- lldb::tid_t signal_tid = GetContinueThreadID ();
- if (signal_tid != LLDB_INVALID_THREAD_ID)
- {
- // The resume action for the continue thread (or all threads if a continue thread is not set).
- lldb_private::ResumeAction action = { GetContinueThreadID (), StateType::eStateRunning, static_cast<int> (signo) };
-
- // Add the action for the continue thread (or all threads when the continue thread isn't present).
- resume_actions.Append (action);
- }
- else
- {
- // Send the signal to the process since we weren't targeting a specific continue thread with the signal.
- error = m_debugged_process_sp->Signal (signo);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to send signal for process %" PRIu64 ": %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
-
- return SendErrorResponse (0x52);
- }
- }
-
- // Resume the threads.
- error = m_debugged_process_sp->Resume (resume_actions);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to resume threads for process %" PRIu64 ": %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
-
- return SendErrorResponse (0x38);
- }
-
- // Don't send an "OK" packet; response is the stopped/exited message.
- return PacketResult::Success;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_c (StringExtractorGDBRemote &packet, bool skip_file_pos_adjustment)
-{
- if (!IsGdbServer ())
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|LIBLLDB_LOG_THREAD));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s called", __FUNCTION__);
-
- // We reuse this method in vCont - don't double adjust the file position.
- if (!skip_file_pos_adjustment)
- packet.SetFilePos (::strlen ("c"));
-
- // For now just support all continue.
- const bool has_continue_address = (packet.GetBytesLeft () > 0);
- if (has_continue_address)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s not implemented for c{address} variant [%s remains]", __FUNCTION__, packet.Peek ());
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
- }
-
- // Ensure we have a native process.
- if (!m_debugged_process_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s no debugged process shared pointer", __FUNCTION__);
- return SendErrorResponse (0x36);
- }
-
- // Build the ResumeActionList
- lldb_private::ResumeActionList actions (StateType::eStateRunning, 0);
-
- Error error = m_debugged_process_sp->Resume (actions);
- if (error.Fail ())
- {
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s c failed for process %" PRIu64 ": %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- }
- return SendErrorResponse (GDBRemoteServerError::eErrorResume);
- }
-
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s continued process %" PRIu64, __FUNCTION__, m_debugged_process_sp->GetID ());
-
- // No response required from continue.
- return PacketResult::Success;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vCont_actions (StringExtractorGDBRemote &packet)
-{
- if (!IsGdbServer ())
- {
- // only llgs supports $vCont.
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
- }
-
- StreamString response;
- response.Printf("vCont;c;C;s;S");
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vCont (StringExtractorGDBRemote &packet)
-{
- if (!IsGdbServer ())
- {
- // only llgs supports $vCont
- return SendUnimplementedResponse (packet.GetStringRef().c_str());
- }
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s handling vCont packet", __FUNCTION__);
-
- packet.SetFilePos (::strlen ("vCont"));
-
- // Check if this is all continue (no options or ";c").
- if (!packet.GetBytesLeft () || (::strcmp (packet.Peek (), ";c") == 0))
- {
- // Move the packet past the ";c".
- if (packet.GetBytesLeft ())
- packet.SetFilePos (packet.GetFilePos () + ::strlen (";c"));
-
- const bool skip_file_pos_adjustment = true;
- return Handle_c (packet, skip_file_pos_adjustment);
- }
- else if (::strcmp (packet.Peek (), ";s") == 0)
- {
- // Move past the ';', then do a simple 's'.
- packet.SetFilePos (packet.GetFilePos () + 1);
- return Handle_s (packet);
- }
-
- // Ensure we have a native process.
- if (!m_debugged_process_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s no debugged process shared pointer", __FUNCTION__);
- return SendErrorResponse (0x36);
- }
-
- ResumeActionList thread_actions;
-
- while (packet.GetBytesLeft () && *packet.Peek () == ';')
- {
- // Skip the semi-colon.
- packet.GetChar ();
-
- // Build up the thread action.
- ResumeAction thread_action;
- thread_action.tid = LLDB_INVALID_THREAD_ID;
- thread_action.state = eStateInvalid;
- thread_action.signal = 0;
-
- const char action = packet.GetChar ();
- switch (action)
- {
- case 'C':
- thread_action.signal = packet.GetHexMaxU32 (false, 0);
- if (thread_action.signal == 0)
- return SendIllFormedResponse (packet, "Could not parse signal in vCont packet C action");
- // Fall through to next case...
-
- case 'c':
- // Continue
- thread_action.state = eStateRunning;
- break;
-
- case 'S':
- thread_action.signal = packet.GetHexMaxU32 (false, 0);
- if (thread_action.signal == 0)
- return SendIllFormedResponse (packet, "Could not parse signal in vCont packet S action");
- // Fall through to next case...
-
- case 's':
- // Step
- thread_action.state = eStateStepping;
- break;
-
- default:
- return SendIllFormedResponse (packet, "Unsupported vCont action");
- break;
- }
-
- // Parse out optional :{thread-id} value.
- if (packet.GetBytesLeft () && (*packet.Peek () == ':'))
- {
- // Consume the separator.
- packet.GetChar ();
-
- thread_action.tid = packet.GetHexMaxU32 (false, LLDB_INVALID_THREAD_ID);
- if (thread_action.tid == LLDB_INVALID_THREAD_ID)
- return SendIllFormedResponse (packet, "Could not parse thread number in vCont packet");
- }
-
- thread_actions.Append (thread_action);
- }
-
- Error error = m_debugged_process_sp->Resume (thread_actions);
- if (error.Fail ())
- {
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s vCont failed for process %" PRIu64 ": %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- }
- return SendErrorResponse (GDBRemoteServerError::eErrorResume);
- }
-
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s continued process %" PRIu64, __FUNCTION__, m_debugged_process_sp->GetID ());
-
- // No response required from vCont.
- return PacketResult::Success;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QStartNoAckMode (StringExtractorGDBRemote &packet)
-{
- // Send response first before changing m_send_acks to we ack this packet
- PacketResult packet_result = SendOKResponse ();
- m_send_acks = false;
- return packet_result;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("qPlatform_mkdir:"));
- mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
- if (packet.GetChar() == ',')
- {
- std::string path;
- packet.GetHexByteString(path);
- Error error = FileSystem::MakeDirectory(path.c_str(), mode);
- if (error.Success())
- return SendPacketNoLock ("OK", 2);
- else
- return SendErrorResponse(error.GetError());
- }
- return SendErrorResponse(20);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qPlatform_chmod (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("qPlatform_chmod:"));
-
- mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
- if (packet.GetChar() == ',')
- {
- std::string path;
- packet.GetHexByteString(path);
- Error error = FileSystem::SetFilePermissions(path.c_str(), mode);
- if (error.Success())
- return SendPacketNoLock ("OK", 2);
- else
- return SendErrorResponse(error.GetError());
- }
- return SendErrorResponse(19);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_Open (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:open:"));
- std::string path;
- packet.GetHexByteStringTerminatedBy(path,',');
- if (!path.empty())
- {
- if (packet.GetChar() == ',')
- {
- uint32_t flags = packet.GetHexMaxU32(false, 0);
- if (packet.GetChar() == ',')
- {
- mode_t mode = packet.GetHexMaxU32(false, 0600);
- Error error;
- int fd = ::open (path.c_str(), flags, mode);
- const int save_errno = fd == -1 ? errno : 0;
- StreamString response;
- response.PutChar('F');
- response.Printf("%i", fd);
- if (save_errno)
- response.Printf(",%i", save_errno);
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- }
- }
- return SendErrorResponse(18);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_Close (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:close:"));
- int fd = packet.GetS32(-1);
- Error error;
- int err = -1;
- int save_errno = 0;
- if (fd >= 0)
- {
- err = close(fd);
- save_errno = err == -1 ? errno : 0;
- }
- else
- {
- save_errno = EINVAL;
- }
- StreamString response;
- response.PutChar('F');
- response.Printf("%i", err);
- if (save_errno)
- response.Printf(",%i", save_errno);
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_pRead (StringExtractorGDBRemote &packet)
-{
-#ifdef _WIN32
- // Not implemented on Windows
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_vFile_pRead() unimplemented");
-#else
- StreamGDBRemote response;
- packet.SetFilePos(::strlen("vFile:pread:"));
- int fd = packet.GetS32(-1);
- if (packet.GetChar() == ',')
- {
- uint64_t count = packet.GetU64(UINT64_MAX);
- if (packet.GetChar() == ',')
- {
- uint64_t offset = packet.GetU64(UINT32_MAX);
- if (count == UINT64_MAX)
- {
- response.Printf("F-1:%i", EINVAL);
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
-
- std::string buffer(count, 0);
- const ssize_t bytes_read = ::pread (fd, &buffer[0], buffer.size(), offset);
- const int save_errno = bytes_read == -1 ? errno : 0;
- response.PutChar('F');
- response.Printf("%zi", bytes_read);
- if (save_errno)
- response.Printf(",%i", save_errno);
- else
- {
- response.PutChar(';');
- response.PutEscapedBytes(&buffer[0], bytes_read);
- }
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- }
- return SendErrorResponse(21);
-
-#endif
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_pWrite (StringExtractorGDBRemote &packet)
-{
-#ifdef _WIN32
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_vFile_pWrite() unimplemented");
-#else
- packet.SetFilePos(::strlen("vFile:pwrite:"));
-
- StreamGDBRemote response;
- response.PutChar('F');
-
- int fd = packet.GetU32(UINT32_MAX);
- if (packet.GetChar() == ',')
- {
- off_t offset = packet.GetU64(UINT32_MAX);
- if (packet.GetChar() == ',')
- {
- std::string buffer;
- if (packet.GetEscapedBinaryData(buffer))
- {
- const ssize_t bytes_written = ::pwrite (fd, buffer.data(), buffer.size(), offset);
- const int save_errno = bytes_written == -1 ? errno : 0;
- response.Printf("%zi", bytes_written);
- if (save_errno)
- response.Printf(",%i", save_errno);
- }
- else
- {
- response.Printf ("-1,%i", EINVAL);
- }
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- }
- return SendErrorResponse(27);
-#endif
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_Size (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:size:"));
- std::string path;
- packet.GetHexByteString(path);
- if (!path.empty())
- {
- lldb::user_id_t retcode = FileSystem::GetFileSize(FileSpec(path.c_str(), false));
- StreamString response;
- response.PutChar('F');
- response.PutHex64(retcode);
- if (retcode == UINT64_MAX)
- {
- response.PutChar(',');
- response.PutHex64(retcode); // TODO: replace with Host::GetSyswideErrorCode()
- }
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- return SendErrorResponse(22);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_Mode (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:mode:"));
- std::string path;
- packet.GetHexByteString(path);
- if (!path.empty())
- {
- Error error;
- const uint32_t mode = File::GetPermissions(path.c_str(), error);
- StreamString response;
- response.Printf("F%u", mode);
- if (mode == 0 || error.Fail())
- response.Printf(",%i", (int)error.GetError());
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- return SendErrorResponse(23);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_Exists (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:exists:"));
- std::string path;
- packet.GetHexByteString(path);
- if (!path.empty())
- {
- bool retcode = FileSystem::GetFileExists(FileSpec(path.c_str(), false));
- StreamString response;
- response.PutChar('F');
- response.PutChar(',');
- if (retcode)
- response.PutChar('1');
- else
- response.PutChar('0');
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- return SendErrorResponse(24);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_symlink (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:symlink:"));
- std::string dst, src;
- packet.GetHexByteStringTerminatedBy(dst, ',');
- packet.GetChar(); // Skip ',' char
- packet.GetHexByteString(src);
- Error error = FileSystem::Symlink(src.c_str(), dst.c_str());
- StreamString response;
- response.Printf("F%u,%u", error.GetError(), error.GetError());
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_unlink (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:unlink:"));
- std::string path;
- packet.GetHexByteString(path);
- Error error = FileSystem::Unlink(path.c_str());
- StreamString response;
- response.Printf("F%u,%u", error.GetError(), error.GetError());
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qPlatform_shell (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("qPlatform_shell:"));
- std::string path;
- std::string working_dir;
- packet.GetHexByteStringTerminatedBy(path,',');
- if (!path.empty())
- {
- if (packet.GetChar() == ',')
- {
- // FIXME: add timeout to qPlatform_shell packet
- // uint32_t timeout = packet.GetHexMaxU32(false, 32);
- uint32_t timeout = 10;
- if (packet.GetChar() == ',')
- packet.GetHexByteString(working_dir);
- int status, signo;
- std::string output;
- Error err = Host::RunShellCommand(path.c_str(),
- working_dir.empty() ? NULL : working_dir.c_str(),
- &status, &signo, &output, timeout);
- StreamGDBRemote response;
- if (err.Fail())
- {
- response.PutCString("F,");
- response.PutHex32(UINT32_MAX);
- }
- else
- {
- response.PutCString("F,");
- response.PutHex32(status);
- response.PutChar(',');
- response.PutHex32(signo);
- response.PutChar(',');
- response.PutEscapedBytes(output.c_str(), output.size());
- }
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- }
- return SendErrorResponse(24);
-}
-
-void
-GDBRemoteCommunicationServer::SetCurrentThreadID (lldb::tid_t tid)
-{
- assert (IsGdbServer () && "SetCurrentThreadID() called when not GdbServer code");
-
- Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_THREAD));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s setting current thread id to %" PRIu64, __FUNCTION__, tid);
-
- m_current_tid = tid;
- if (m_debugged_process_sp)
- m_debugged_process_sp->SetCurrentThreadID (m_current_tid);
-}
-
-void
-GDBRemoteCommunicationServer::SetContinueThreadID (lldb::tid_t tid)
-{
- assert (IsGdbServer () && "SetContinueThreadID() called when not GdbServer code");
-
- Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_THREAD));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s setting continue thread id to %" PRIu64, __FUNCTION__, tid);
-
- m_continue_tid = tid;
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_stop_reason (StringExtractorGDBRemote &packet)
-{
- // Handle the $? gdbremote command.
- if (!IsGdbServer ())
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_stop_reason() unimplemented");
-
- // If no process, indicate error
- if (!m_debugged_process_sp)
- return SendErrorResponse (02);
-
- return SendStopReasonForState (m_debugged_process_sp->GetState (), true);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::SendStopReasonForState (lldb::StateType process_state, bool flush_on_exit)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- switch (process_state)
- {
- case eStateAttaching:
- case eStateLaunching:
- case eStateRunning:
- case eStateStepping:
- case eStateDetached:
- // NOTE: gdb protocol doc looks like it should return $OK
- // when everything is running (i.e. no stopped result).
- return PacketResult::Success; // Ignore
-
- case eStateSuspended:
- case eStateStopped:
- case eStateCrashed:
- {
- lldb::tid_t tid = m_debugged_process_sp->GetCurrentThreadID ();
- // Make sure we set the current thread so g and p packets return
- // the data the gdb will expect.
- SetCurrentThreadID (tid);
- return SendStopReplyPacketForThread (tid);
- }
-
- case eStateInvalid:
- case eStateUnloaded:
- case eStateExited:
- if (flush_on_exit)
- FlushInferiorOutput ();
- return SendWResponse(m_debugged_process_sp.get());
-
- default:
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 ", current state reporting not handled: %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- StateAsCString (process_state));
- }
- break;
- }
-
- return SendErrorResponse (0);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_Stat (StringExtractorGDBRemote &packet)
-{
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_vFile_Stat() unimplemented");
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_vFile_MD5 (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen("vFile:MD5:"));
- std::string path;
- packet.GetHexByteString(path);
- if (!path.empty())
- {
- uint64_t a,b;
- StreamGDBRemote response;
- if (FileSystem::CalculateMD5(FileSpec(path.c_str(), false), a, b) == false)
- {
- response.PutCString("F,");
- response.PutCString("x");
- }
- else
- {
- response.PutCString("F,");
- response.PutHex64(a);
- response.PutHex64(b);
- }
- return SendPacketNoLock(response.GetData(), response.GetSize());
- }
- return SendErrorResponse(25);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qRegisterInfo (StringExtractorGDBRemote &packet)
-{
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_qRegisterInfo() unimplemented");
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- return SendErrorResponse (68);
-
- // Ensure we have a thread.
- NativeThreadProtocolSP thread_sp (m_debugged_process_sp->GetThreadAtIndex (0));
- if (!thread_sp)
- return SendErrorResponse (69);
-
- // Get the register context for the first thread.
- NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
- if (!reg_context_sp)
- return SendErrorResponse (69);
-
- // Parse out the register number from the request.
- packet.SetFilePos (strlen("qRegisterInfo"));
- const uint32_t reg_index = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
- if (reg_index == std::numeric_limits<uint32_t>::max ())
- return SendErrorResponse (69);
-
- // Return the end of registers response if we've iterated one past the end of the register set.
- if (reg_index >= reg_context_sp->GetUserRegisterCount ())
- return SendErrorResponse (69);
-
- const RegisterInfo *reg_info = reg_context_sp->GetRegisterInfoAtIndex(reg_index);
- if (!reg_info)
- return SendErrorResponse (69);
-
- // Build the reginfos response.
- StreamGDBRemote response;
-
- response.PutCString ("name:");
- response.PutCString (reg_info->name);
- response.PutChar (';');
-
- if (reg_info->alt_name && reg_info->alt_name[0])
- {
- response.PutCString ("alt-name:");
- response.PutCString (reg_info->alt_name);
- response.PutChar (';');
- }
-
- response.Printf ("bitsize:%" PRIu32 ";offset:%" PRIu32 ";", reg_info->byte_size * 8, reg_info->byte_offset);
-
- switch (reg_info->encoding)
- {
- case eEncodingUint: response.PutCString ("encoding:uint;"); break;
- case eEncodingSint: response.PutCString ("encoding:sint;"); break;
- case eEncodingIEEE754: response.PutCString ("encoding:ieee754;"); break;
- case eEncodingVector: response.PutCString ("encoding:vector;"); break;
- default: break;
- }
-
- switch (reg_info->format)
- {
- case eFormatBinary: response.PutCString ("format:binary;"); break;
- case eFormatDecimal: response.PutCString ("format:decimal;"); break;
- case eFormatHex: response.PutCString ("format:hex;"); break;
- case eFormatFloat: response.PutCString ("format:float;"); break;
- case eFormatVectorOfSInt8: response.PutCString ("format:vector-sint8;"); break;
- case eFormatVectorOfUInt8: response.PutCString ("format:vector-uint8;"); break;
- case eFormatVectorOfSInt16: response.PutCString ("format:vector-sint16;"); break;
- case eFormatVectorOfUInt16: response.PutCString ("format:vector-uint16;"); break;
- case eFormatVectorOfSInt32: response.PutCString ("format:vector-sint32;"); break;
- case eFormatVectorOfUInt32: response.PutCString ("format:vector-uint32;"); break;
- case eFormatVectorOfFloat32: response.PutCString ("format:vector-float32;"); break;
- case eFormatVectorOfUInt128: response.PutCString ("format:vector-uint128;"); break;
- default: break;
- };
-
- const char *const register_set_name = reg_context_sp->GetRegisterSetNameForRegisterAtIndex(reg_index);
- if (register_set_name)
- {
- response.PutCString ("set:");
- response.PutCString (register_set_name);
- response.PutChar (';');
- }
-
- if (reg_info->kinds[RegisterKind::eRegisterKindGCC] != LLDB_INVALID_REGNUM)
- response.Printf ("gcc:%" PRIu32 ";", reg_info->kinds[RegisterKind::eRegisterKindGCC]);
-
- if (reg_info->kinds[RegisterKind::eRegisterKindDWARF] != LLDB_INVALID_REGNUM)
- response.Printf ("dwarf:%" PRIu32 ";", reg_info->kinds[RegisterKind::eRegisterKindDWARF]);
-
- switch (reg_info->kinds[RegisterKind::eRegisterKindGeneric])
- {
- case LLDB_REGNUM_GENERIC_PC: response.PutCString("generic:pc;"); break;
- case LLDB_REGNUM_GENERIC_SP: response.PutCString("generic:sp;"); break;
- case LLDB_REGNUM_GENERIC_FP: response.PutCString("generic:fp;"); break;
- case LLDB_REGNUM_GENERIC_RA: response.PutCString("generic:ra;"); break;
- case LLDB_REGNUM_GENERIC_FLAGS: response.PutCString("generic:flags;"); break;
- case LLDB_REGNUM_GENERIC_ARG1: response.PutCString("generic:arg1;"); break;
- case LLDB_REGNUM_GENERIC_ARG2: response.PutCString("generic:arg2;"); break;
- case LLDB_REGNUM_GENERIC_ARG3: response.PutCString("generic:arg3;"); break;
- case LLDB_REGNUM_GENERIC_ARG4: response.PutCString("generic:arg4;"); break;
- case LLDB_REGNUM_GENERIC_ARG5: response.PutCString("generic:arg5;"); break;
- case LLDB_REGNUM_GENERIC_ARG6: response.PutCString("generic:arg6;"); break;
- case LLDB_REGNUM_GENERIC_ARG7: response.PutCString("generic:arg7;"); break;
- case LLDB_REGNUM_GENERIC_ARG8: response.PutCString("generic:arg8;"); break;
- default: break;
- }
-
- if (reg_info->value_regs && reg_info->value_regs[0] != LLDB_INVALID_REGNUM)
- {
- response.PutCString ("container-regs:");
- int i = 0;
- for (const uint32_t *reg_num = reg_info->value_regs; *reg_num != LLDB_INVALID_REGNUM; ++reg_num, ++i)
- {
- if (i > 0)
- response.PutChar (',');
- response.Printf ("%" PRIx32, *reg_num);
- }
- response.PutChar (';');
- }
-
- if (reg_info->invalidate_regs && reg_info->invalidate_regs[0])
- {
- response.PutCString ("invalidate-regs:");
- int i = 0;
- for (const uint32_t *reg_num = reg_info->invalidate_regs; *reg_num != LLDB_INVALID_REGNUM; ++reg_num, ++i)
- {
- if (i > 0)
- response.PutChar (',');
- response.Printf ("%" PRIx32, *reg_num);
- }
- response.PutChar (';');
- }
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qfThreadInfo (StringExtractorGDBRemote &packet)
-{
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_qfThreadInfo() unimplemented");
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() no process (%s), returning OK", __FUNCTION__, m_debugged_process_sp ? "invalid process id" : "null m_debugged_process_sp");
- return SendOKResponse ();
- }
-
- StreamGDBRemote response;
- response.PutChar ('m');
-
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() starting thread iteration", __FUNCTION__);
-
- NativeThreadProtocolSP thread_sp;
- uint32_t thread_index;
- for (thread_index = 0, thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index);
- thread_sp;
- ++thread_index, thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() iterated thread %" PRIu32 "(%s, tid=0x%" PRIx64 ")", __FUNCTION__, thread_index, thread_sp ? "is not null" : "null", thread_sp ? thread_sp->GetID () : LLDB_INVALID_THREAD_ID);
- if (thread_index > 0)
- response.PutChar(',');
- response.Printf ("%" PRIx64, thread_sp->GetID ());
- }
-
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() finished thread iteration", __FUNCTION__);
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_qsThreadInfo (StringExtractorGDBRemote &packet)
-{
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("GDBRemoteCommunicationServer::Handle_qsThreadInfo() unimplemented");
-
- // FIXME for now we return the full thread list in the initial packet and always do nothing here.
- return SendPacketNoLock ("l", 1);
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_p (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("GDBRemoteCommunicationServer::Handle_p() unimplemented");
-
- // Parse out the register number from the request.
- packet.SetFilePos (strlen("p"));
- const uint32_t reg_index = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
- if (reg_index == std::numeric_limits<uint32_t>::max ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, could not parse register number from request \"%s\"", __FUNCTION__, packet.GetStringRef ().c_str ());
- return SendErrorResponse (0x15);
- }
-
- // Get the thread to use.
- NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
- if (!thread_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no thread available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Get the thread's register context.
- NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
- if (!reg_context_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
- return SendErrorResponse (0x15);
- }
-
- // Return the end of registers response if we've iterated one past the end of the register set.
- if (reg_index >= reg_context_sp->GetUserRegisterCount ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, requested register %" PRIu32 " beyond register count %" PRIu32, __FUNCTION__, reg_index, reg_context_sp->GetUserRegisterCount ());
- return SendErrorResponse (0x15);
- }
-
- const RegisterInfo *reg_info = reg_context_sp->GetRegisterInfoAtIndex(reg_index);
- if (!reg_info)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, requested register %" PRIu32 " returned NULL", __FUNCTION__, reg_index);
- return SendErrorResponse (0x15);
- }
-
- // Build the reginfos response.
- StreamGDBRemote response;
-
- // Retrieve the value
- RegisterValue reg_value;
- Error error = reg_context_sp->ReadRegister (reg_info, reg_value);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, read of requested register %" PRIu32 " (%s) failed: %s", __FUNCTION__, reg_index, reg_info->name, error.AsCString ());
- return SendErrorResponse (0x15);
- }
-
- const uint8_t *const data = reinterpret_cast<const uint8_t*> (reg_value.GetBytes ());
- if (!data)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to get data bytes from requested register %" PRIu32, __FUNCTION__, reg_index);
- return SendErrorResponse (0x15);
- }
-
- // FIXME flip as needed to get data in big/little endian format for this host.
- for (uint32_t i = 0; i < reg_value.GetByteSize (); ++i)
- response.PutHex8 (data[i]);
-
- return SendPacketNoLock (response.GetData (), response.GetSize ());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_P (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("GDBRemoteCommunicationServer::Handle_P() unimplemented");
-
- // Ensure there is more content.
- if (packet.GetBytesLeft () < 1)
- return SendIllFormedResponse (packet, "Empty P packet");
-
- // Parse out the register number from the request.
- packet.SetFilePos (strlen("P"));
- const uint32_t reg_index = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
- if (reg_index == std::numeric_limits<uint32_t>::max ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, could not parse register number from request \"%s\"", __FUNCTION__, packet.GetStringRef ().c_str ());
- return SendErrorResponse (0x29);
- }
-
- // Note debugserver would send an E30 here.
- if ((packet.GetBytesLeft () < 1) || (packet.GetChar () != '='))
- return SendIllFormedResponse (packet, "P packet missing '=' char after register number");
-
- // Get process architecture.
- ArchSpec process_arch;
- if (!m_debugged_process_sp || !m_debugged_process_sp->GetArchitecture (process_arch))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to retrieve inferior architecture", __FUNCTION__);
- return SendErrorResponse (0x49);
- }
-
- // Parse out the value.
- uint8_t reg_bytes[32]; // big enough to support up to 256 bit ymmN register
- size_t reg_size = packet.GetHexBytesAvail (reg_bytes, sizeof(reg_bytes));
-
- // Get the thread to use.
- NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
- if (!thread_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no thread available (thread index 0)", __FUNCTION__);
- return SendErrorResponse (0x28);
- }
-
- // Get the thread's register context.
- NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
- if (!reg_context_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
- return SendErrorResponse (0x15);
- }
-
- const RegisterInfo *reg_info = reg_context_sp->GetRegisterInfoAtIndex (reg_index);
- if (!reg_info)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, requested register %" PRIu32 " returned NULL", __FUNCTION__, reg_index);
- return SendErrorResponse (0x48);
- }
-
- // Return the end of registers response if we've iterated one past the end of the register set.
- if (reg_index >= reg_context_sp->GetUserRegisterCount ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, requested register %" PRIu32 " beyond register count %" PRIu32, __FUNCTION__, reg_index, reg_context_sp->GetUserRegisterCount ());
- return SendErrorResponse (0x47);
- }
-
- if (reg_size != reg_info->byte_size)
- {
- return SendIllFormedResponse (packet, "P packet register size is incorrect");
- }
-
- // Build the reginfos response.
- StreamGDBRemote response;
-
- RegisterValue reg_value (reg_bytes, reg_size, process_arch.GetByteOrder ());
- Error error = reg_context_sp->WriteRegister (reg_info, reg_value);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, write of requested register %" PRIu32 " (%s) failed: %s", __FUNCTION__, reg_index, reg_info->name, error.AsCString ());
- return SendErrorResponse (0x32);
- }
-
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_H (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_H() unimplemented");
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Parse out which variant of $H is requested.
- packet.SetFilePos (strlen("H"));
- if (packet.GetBytesLeft () < 1)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, H command missing {g,c} variant", __FUNCTION__);
- return SendIllFormedResponse (packet, "H command missing {g,c} variant");
- }
-
- const char h_variant = packet.GetChar ();
- switch (h_variant)
- {
- case 'g':
- break;
-
- case 'c':
- break;
-
- default:
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, invalid $H variant %c", __FUNCTION__, h_variant);
- return SendIllFormedResponse (packet, "H variant unsupported, should be c or g");
- }
-
- // Parse out the thread number.
- // FIXME return a parse success/fail value. All values are valid here.
- const lldb::tid_t tid = packet.GetHexMaxU64 (false, std::numeric_limits<lldb::tid_t>::max ());
-
- // Ensure we have the given thread when not specifying -1 (all threads) or 0 (any thread).
- if (tid != LLDB_INVALID_THREAD_ID && tid != 0)
- {
- NativeThreadProtocolSP thread_sp (m_debugged_process_sp->GetThreadByID (tid));
- if (!thread_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, tid %" PRIu64 " not found", __FUNCTION__, tid);
- return SendErrorResponse (0x15);
- }
- }
-
- // Now switch the given thread type.
- switch (h_variant)
- {
- case 'g':
- SetCurrentThreadID (tid);
- break;
-
- case 'c':
- SetContinueThreadID (tid);
- break;
-
- default:
- assert (false && "unsupported $H variant - shouldn't get here");
- return SendIllFormedResponse (packet, "H variant unsupported, should be c or g");
- }
-
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_I (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse("GDBRemoteCommunicationServer::Handle_I() unimplemented");
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- packet.SetFilePos (::strlen("I"));
- char tmp[4096];
- for (;;)
- {
- size_t read = packet.GetHexBytesAvail(tmp, sizeof(tmp));
- if (read == 0)
- {
- break;
- }
- // write directly to stdin *this might block if stdin buffer is full*
- // TODO: enqueue this block in circular buffer and send window size to remote host
- ConnectionStatus status;
- Error error;
- m_stdio_communication.Write(tmp, read, status, &error);
- if (error.Fail())
- {
- return SendErrorResponse (0x15);
- }
- }
-
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_interrupt (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- {
- // Only supported on llgs
- return SendUnimplementedResponse ("");
- }
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Interrupt the process.
- Error error = m_debugged_process_sp->Interrupt ();
- if (error.Fail ())
- {
- if (log)
- {
- log->Printf ("GDBRemoteCommunicationServer::%s failed for process %" PRIu64 ": %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- }
- return SendErrorResponse (GDBRemoteServerError::eErrorResume);
- }
-
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s stopped process %" PRIu64, __FUNCTION__, m_debugged_process_sp->GetID ());
-
- // No response required from stop all.
- return PacketResult::Success;
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_m (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- {
- // Only supported on llgs
- return SendUnimplementedResponse ("");
- }
-
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Parse out the memory address.
- packet.SetFilePos (strlen("m"));
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short m packet");
-
- // Read the address. Punting on validation.
- // FIXME replace with Hex U64 read with no default value that fails on failed read.
- const lldb::addr_t read_addr = packet.GetHexMaxU64(false, 0);
-
- // Validate comma.
- if ((packet.GetBytesLeft() < 1) || (packet.GetChar() != ','))
- return SendIllFormedResponse(packet, "Comma sep missing in m packet");
-
- // Get # bytes to read.
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Length missing in m packet");
-
- const uint64_t byte_count = packet.GetHexMaxU64(false, 0);
- if (byte_count == 0)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s nothing to read: zero-length packet", __FUNCTION__);
- return PacketResult::Success;
- }
-
- // Allocate the response buffer.
- std::string buf(byte_count, '\0');
- if (buf.empty())
- return SendErrorResponse (0x78);
-
-
- // Retrieve the process memory.
- lldb::addr_t bytes_read = 0;
- lldb_private::Error error = m_debugged_process_sp->ReadMemory (read_addr, &buf[0], byte_count, bytes_read);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " mem 0x%" PRIx64 ": failed to read. Error: %s", __FUNCTION__, m_debugged_process_sp->GetID (), read_addr, error.AsCString ());
- return SendErrorResponse (0x08);
- }
-
- if (bytes_read == 0)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " mem 0x%" PRIx64 ": read %" PRIu64 " of %" PRIu64 " requested bytes", __FUNCTION__, m_debugged_process_sp->GetID (), read_addr, bytes_read, byte_count);
- return SendErrorResponse (0x08);
- }
-
- StreamGDBRemote response;
- for (lldb::addr_t i = 0; i < bytes_read; ++i)
- response.PutHex8(buf[i]);
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunicationServer::Handle_QSetDetachOnError (StringExtractorGDBRemote &packet)
-{
- packet.SetFilePos(::strlen ("QSetDetachOnError:"));
- if (packet.GetU32(0))
- m_process_launch_info.GetFlags().Set (eLaunchFlagDetachOnError);
- else
- m_process_launch_info.GetFlags().Clear (eLaunchFlagDetachOnError);
- return SendOKResponse ();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_M (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // Ensure we're llgs.
- if (!IsGdbServer())
- {
- // Only supported on llgs
- return SendUnimplementedResponse ("");
- }
-
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Parse out the memory address.
- packet.SetFilePos (strlen("M"));
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short M packet");
-
- // Read the address. Punting on validation.
- // FIXME replace with Hex U64 read with no default value that fails on failed read.
- const lldb::addr_t write_addr = packet.GetHexMaxU64(false, 0);
-
- // Validate comma.
- if ((packet.GetBytesLeft() < 1) || (packet.GetChar() != ','))
- return SendIllFormedResponse(packet, "Comma sep missing in M packet");
-
- // Get # bytes to read.
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Length missing in M packet");
-
- const uint64_t byte_count = packet.GetHexMaxU64(false, 0);
- if (byte_count == 0)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s nothing to write: zero-length packet", __FUNCTION__);
- return PacketResult::Success;
- }
-
- // Validate colon.
- if ((packet.GetBytesLeft() < 1) || (packet.GetChar() != ':'))
- return SendIllFormedResponse(packet, "Comma sep missing in M packet after byte length");
-
- // Allocate the conversion buffer.
- std::vector<uint8_t> buf(byte_count, 0);
- if (buf.empty())
- return SendErrorResponse (0x78);
-
- // Convert the hex memory write contents to bytes.
- StreamGDBRemote response;
- const uint64_t convert_count = static_cast<uint64_t> (packet.GetHexBytes (&buf[0], byte_count, 0));
- if (convert_count != byte_count)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " mem 0x%" PRIx64 ": asked to write %" PRIu64 " bytes, but only found %" PRIu64 " to convert.", __FUNCTION__, m_debugged_process_sp->GetID (), write_addr, byte_count, convert_count);
- return SendIllFormedResponse (packet, "M content byte length specified did not match hex-encoded content length");
- }
-
- // Write the process memory.
- lldb::addr_t bytes_written = 0;
- lldb_private::Error error = m_debugged_process_sp->WriteMemory (write_addr, &buf[0], byte_count, bytes_written);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " mem 0x%" PRIx64 ": failed to write. Error: %s", __FUNCTION__, m_debugged_process_sp->GetID (), write_addr, error.AsCString ());
- return SendErrorResponse (0x09);
- }
-
- if (bytes_written == 0)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " mem 0x%" PRIx64 ": wrote %" PRIu64 " of %" PRIu64 " requested bytes", __FUNCTION__, m_debugged_process_sp->GetID (), write_addr, bytes_written, byte_count);
- return SendErrorResponse (0x09);
- }
-
- return SendOKResponse ();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_qMemoryRegionInfoSupported (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("");
-
- // Currently only the NativeProcessProtocol knows if it can handle a qMemoryRegionInfoSupported
- // request, but we're not guaranteed to be attached to a process. For now we'll assume the
- // client only asks this when a process is being debugged.
-
- // Ensure we have a process running; otherwise, we can't figure this out
- // since we won't have a NativeProcessProtocol.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Test if we can get any region back when asking for the region around NULL.
- MemoryRegionInfo region_info;
- const Error error = m_debugged_process_sp->GetMemoryRegionInfo (0, region_info);
- if (error.Fail ())
- {
- // We don't support memory region info collection for this NativeProcessProtocol.
- return SendUnimplementedResponse ("");
- }
-
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_qMemoryRegionInfo (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("");
-
- // Ensure we have a process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Parse out the memory address.
- packet.SetFilePos (strlen("qMemoryRegionInfo:"));
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short qMemoryRegionInfo: packet");
-
- // Read the address. Punting on validation.
- const lldb::addr_t read_addr = packet.GetHexMaxU64(false, 0);
-
- StreamGDBRemote response;
-
- // Get the memory region info for the target address.
- MemoryRegionInfo region_info;
- const Error error = m_debugged_process_sp->GetMemoryRegionInfo (read_addr, region_info);
- if (error.Fail ())
- {
- // Return the error message.
-
- response.PutCString ("error:");
- response.PutCStringAsRawHex8 (error.AsCString ());
- response.PutChar (';');
- }
- else
- {
- // Range start and size.
- response.Printf ("start:%" PRIx64 ";size:%" PRIx64 ";", region_info.GetRange ().GetRangeBase (), region_info.GetRange ().GetByteSize ());
-
- // Permissions.
- if (region_info.GetReadable () ||
- region_info.GetWritable () ||
- region_info.GetExecutable ())
- {
- // Write permissions info.
- response.PutCString ("permissions:");
-
- if (region_info.GetReadable ())
- response.PutChar ('r');
- if (region_info.GetWritable ())
- response.PutChar('w');
- if (region_info.GetExecutable())
- response.PutChar ('x');
-
- response.PutChar (';');
- }
- }
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_Z (StringExtractorGDBRemote &packet)
-{
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("");
-
- // Ensure we have a process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Parse out software or hardware breakpoint or watchpoint requested.
- packet.SetFilePos (strlen("Z"));
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short Z packet, missing software/hardware specifier");
-
- bool want_breakpoint = true;
- bool want_hardware = false;
-
- const GDBStoppointType stoppoint_type =
- GDBStoppointType(packet.GetS32 (eStoppointInvalid));
- switch (stoppoint_type)
- {
- case eBreakpointSoftware:
- want_hardware = false; want_breakpoint = true; break;
- case eBreakpointHardware:
- want_hardware = true; want_breakpoint = true; break;
- case eWatchpointWrite:
- want_hardware = true; want_breakpoint = false; break;
- case eWatchpointRead:
- want_hardware = true; want_breakpoint = false; break;
- case eWatchpointReadWrite:
- want_hardware = true; want_breakpoint = false; break;
- case eStoppointInvalid:
- return SendIllFormedResponse(packet, "Z packet had invalid software/hardware specifier");
-
- }
-
- if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
- return SendIllFormedResponse(packet, "Malformed Z packet, expecting comma after stoppoint type");
-
- // Parse out the stoppoint address.
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short Z packet, missing address");
- const lldb::addr_t addr = packet.GetHexMaxU64(false, 0);
-
- if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
- return SendIllFormedResponse(packet, "Malformed Z packet, expecting comma after address");
-
- // Parse out the stoppoint size (i.e. size hint for opcode size).
- const uint32_t size = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
- if (size == std::numeric_limits<uint32_t>::max ())
- return SendIllFormedResponse(packet, "Malformed Z packet, failed to parse size argument");
-
- if (want_breakpoint)
- {
- // Try to set the breakpoint.
- const Error error = m_debugged_process_sp->SetBreakpoint (addr, size, want_hardware);
- if (error.Success ())
- return SendOKResponse ();
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64
- " failed to set breakpoint: %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- return SendErrorResponse (0x09);
- }
- else
- {
- uint32_t watch_flags =
- stoppoint_type == eWatchpointWrite
- ? watch_flags = 0x1 // Write
- : watch_flags = 0x3; // ReadWrite
-
- // Try to set the watchpoint.
- const Error error = m_debugged_process_sp->SetWatchpoint (
- addr, size, watch_flags, want_hardware);
- if (error.Success ())
- return SendOKResponse ();
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64
- " failed to set watchpoint: %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- return SendErrorResponse (0x09);
- }
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_z (StringExtractorGDBRemote &packet)
-{
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("");
-
- // Ensure we have a process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- // Parse out software or hardware breakpoint or watchpoint requested.
- packet.SetFilePos (strlen("z"));
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short z packet, missing software/hardware specifier");
-
- bool want_breakpoint = true;
-
- const GDBStoppointType stoppoint_type =
- GDBStoppointType(packet.GetS32 (eStoppointInvalid));
- switch (stoppoint_type)
- {
- case eBreakpointHardware: want_breakpoint = true; break;
- case eBreakpointSoftware: want_breakpoint = true; break;
- case eWatchpointWrite: want_breakpoint = false; break;
- case eWatchpointRead: want_breakpoint = false; break;
- case eWatchpointReadWrite: want_breakpoint = false; break;
- default:
- return SendIllFormedResponse(packet, "z packet had invalid software/hardware specifier");
-
- }
-
- if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
- return SendIllFormedResponse(packet, "Malformed z packet, expecting comma after stoppoint type");
-
- // Parse out the stoppoint address.
- if (packet.GetBytesLeft() < 1)
- return SendIllFormedResponse(packet, "Too short z packet, missing address");
- const lldb::addr_t addr = packet.GetHexMaxU64(false, 0);
-
- if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
- return SendIllFormedResponse(packet, "Malformed z packet, expecting comma after address");
-
- /*
- // Parse out the stoppoint size (i.e. size hint for opcode size).
- const uint32_t size = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
- if (size == std::numeric_limits<uint32_t>::max ())
- return SendIllFormedResponse(packet, "Malformed z packet, failed to parse size argument");
- */
-
- if (want_breakpoint)
- {
- // Try to clear the breakpoint.
- const Error error = m_debugged_process_sp->RemoveBreakpoint (addr);
- if (error.Success ())
- return SendOKResponse ();
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64
- " failed to remove breakpoint: %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- return SendErrorResponse (0x09);
- }
- else
- {
- // Try to clear the watchpoint.
- const Error error = m_debugged_process_sp->RemoveWatchpoint (addr);
- if (error.Success ())
- return SendOKResponse ();
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64
- " failed to remove watchpoint: %s",
- __FUNCTION__,
- m_debugged_process_sp->GetID (),
- error.AsCString ());
- return SendErrorResponse (0x09);
- }
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_s (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|LIBLLDB_LOG_THREAD));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("");
-
- // Ensure we have a process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x32);
- }
-
- // We first try to use a continue thread id. If any one or any all set, use the current thread.
- // Bail out if we don't have a thread id.
- lldb::tid_t tid = GetContinueThreadID ();
- if (tid == 0 || tid == LLDB_INVALID_THREAD_ID)
- tid = GetCurrentThreadID ();
- if (tid == LLDB_INVALID_THREAD_ID)
- return SendErrorResponse (0x33);
-
- // Double check that we have such a thread.
- // TODO investigate: on MacOSX we might need to do an UpdateThreads () here.
- NativeThreadProtocolSP thread_sp = m_debugged_process_sp->GetThreadByID (tid);
- if (!thread_sp || thread_sp->GetID () != tid)
- return SendErrorResponse (0x33);
-
- // Create the step action for the given thread.
- lldb_private::ResumeAction action = { tid, eStateStepping, 0 };
-
- // Setup the actions list.
- lldb_private::ResumeActionList actions;
- actions.Append (action);
-
- // All other threads stop while we're single stepping a thread.
- actions.SetDefaultThreadActionIfNeeded(eStateStopped, 0);
- Error error = m_debugged_process_sp->Resume (actions);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " tid %" PRIu64 " Resume() failed with error: %s", __FUNCTION__, m_debugged_process_sp->GetID (), tid, error.AsCString ());
- return SendErrorResponse(0x49);
- }
-
- // No response here - the stop or exit will come from the resulting action.
- return PacketResult::Success;
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_qSupported (StringExtractorGDBRemote &packet)
-{
- StreamGDBRemote response;
-
- // Features common to lldb-platform and llgs.
- uint32_t max_packet_size = 128 * 1024; // 128KBytes is a reasonable max packet size--debugger can always use less
- response.Printf ("PacketSize=%x", max_packet_size);
-
- response.PutCString (";QStartNoAckMode+");
- response.PutCString (";QThreadSuffixSupported+");
- response.PutCString (";QListThreadsInStopReply+");
-#if defined(__linux__)
- response.PutCString (";qXfer:auxv:read+");
-#endif
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_QThreadSuffixSupported (StringExtractorGDBRemote &packet)
-{
- m_thread_suffix_supported = true;
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_QListThreadsInStopReply (StringExtractorGDBRemote &packet)
-{
- m_list_threads_in_stop_reply = true;
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_qXfer_auxv_read (StringExtractorGDBRemote &packet)
-{
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("only supported for lldb-gdbserver");
-
- // *BSD impls should be able to do this too.
-#if defined(__linux__)
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // Parse out the offset.
- packet.SetFilePos (strlen("qXfer:auxv:read::"));
- if (packet.GetBytesLeft () < 1)
- return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing offset");
-
- const uint64_t auxv_offset = packet.GetHexMaxU64 (false, std::numeric_limits<uint64_t>::max ());
- if (auxv_offset == std::numeric_limits<uint64_t>::max ())
- return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing offset");
-
- // Parse out comma.
- if (packet.GetBytesLeft () < 1 || packet.GetChar () != ',')
- return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing comma after offset");
-
- // Parse out the length.
- const uint64_t auxv_length = packet.GetHexMaxU64 (false, std::numeric_limits<uint64_t>::max ());
- if (auxv_length == std::numeric_limits<uint64_t>::max ())
- return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing length");
-
- // Grab the auxv data if we need it.
- if (!m_active_auxv_buffer_sp)
- {
- // Make sure we have a valid process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x10);
- }
-
- // Grab the auxv data.
- m_active_auxv_buffer_sp = Host::GetAuxvData (m_debugged_process_sp->GetID ());
- if (!m_active_auxv_buffer_sp || m_active_auxv_buffer_sp->GetByteSize () == 0)
- {
- // Hmm, no auxv data, call that an error.
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no auxv data retrieved", __FUNCTION__);
- m_active_auxv_buffer_sp.reset ();
- return SendErrorResponse (0x11);
- }
- }
-
- // FIXME find out if/how I lock the stream here.
-
- StreamGDBRemote response;
- bool done_with_buffer = false;
-
- if (auxv_offset >= m_active_auxv_buffer_sp->GetByteSize ())
- {
- // We have nothing left to send. Mark the buffer as complete.
- response.PutChar ('l');
- done_with_buffer = true;
- }
- else
- {
- // Figure out how many bytes are available starting at the given offset.
- const uint64_t bytes_remaining = m_active_auxv_buffer_sp->GetByteSize () - auxv_offset;
-
- // Figure out how many bytes we're going to read.
- const uint64_t bytes_to_read = (auxv_length > bytes_remaining) ? bytes_remaining : auxv_length;
-
- // Mark the response type according to whether we're reading the remainder of the auxv data.
- if (bytes_to_read >= bytes_remaining)
- {
- // There will be nothing left to read after this
- response.PutChar ('l');
- done_with_buffer = true;
- }
- else
- {
- // There will still be bytes to read after this request.
- response.PutChar ('m');
- }
-
- // Now write the data in encoded binary form.
- response.PutEscapedBytes (m_active_auxv_buffer_sp->GetBytes () + auxv_offset, bytes_to_read);
- }
-
- if (done_with_buffer)
- m_active_auxv_buffer_sp.reset ();
-
- return SendPacketNoLock(response.GetData(), response.GetSize());
-#else
- return SendUnimplementedResponse ("not implemented on this platform");
-#endif
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_QSaveRegisterState (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("only supported for lldb-gdbserver");
-
- // Move past packet name.
- packet.SetFilePos (strlen ("QSaveRegisterState"));
-
- // Get the thread to use.
- NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
- if (!thread_sp)
- {
- if (m_thread_suffix_supported)
- return SendIllFormedResponse (packet, "No thread specified in QSaveRegisterState packet");
- else
- return SendIllFormedResponse (packet, "No thread was is set with the Hg packet");
- }
-
- // Grab the register context for the thread.
- NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
- if (!reg_context_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
- return SendErrorResponse (0x15);
- }
-
- // Save registers to a buffer.
- DataBufferSP register_data_sp;
- Error error = reg_context_sp->ReadAllRegisterValues (register_data_sp);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " failed to save all register values: %s", __FUNCTION__, m_debugged_process_sp->GetID (), error.AsCString ());
- return SendErrorResponse (0x75);
- }
-
- // Allocate a new save id.
- const uint32_t save_id = GetNextSavedRegistersID ();
- assert ((m_saved_registers_map.find (save_id) == m_saved_registers_map.end ()) && "GetNextRegisterSaveID() returned an existing register save id");
-
- // Save the register data buffer under the save id.
- {
- Mutex::Locker locker (m_saved_registers_mutex);
- m_saved_registers_map[save_id] = register_data_sp;
- }
-
- // Write the response.
- StreamGDBRemote response;
- response.Printf ("%" PRIu32, save_id);
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_QRestoreRegisterState (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("only supported for lldb-gdbserver");
-
- // Parse out save id.
- packet.SetFilePos (strlen ("QRestoreRegisterState:"));
- if (packet.GetBytesLeft () < 1)
- return SendIllFormedResponse (packet, "QRestoreRegisterState packet missing register save id");
-
- const uint32_t save_id = packet.GetU32 (0);
- if (save_id == 0)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s QRestoreRegisterState packet has malformed save id, expecting decimal uint32_t", __FUNCTION__);
- return SendErrorResponse (0x76);
- }
-
- // Get the thread to use.
- NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
- if (!thread_sp)
- {
- if (m_thread_suffix_supported)
- return SendIllFormedResponse (packet, "No thread specified in QRestoreRegisterState packet");
- else
- return SendIllFormedResponse (packet, "No thread was is set with the Hg packet");
- }
-
- // Grab the register context for the thread.
- NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
- if (!reg_context_sp)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
- return SendErrorResponse (0x15);
- }
-
- // Retrieve register state buffer, then remove from the list.
- DataBufferSP register_data_sp;
- {
- Mutex::Locker locker (m_saved_registers_mutex);
-
- // Find the register set buffer for the given save id.
- auto it = m_saved_registers_map.find (save_id);
- if (it == m_saved_registers_map.end ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " does not have a register set save buffer for id %" PRIu32, __FUNCTION__, m_debugged_process_sp->GetID (), save_id);
- return SendErrorResponse (0x77);
- }
- register_data_sp = it->second;
-
- // Remove it from the map.
- m_saved_registers_map.erase (it);
- }
-
- Error error = reg_context_sp->WriteAllRegisterValues (register_data_sp);
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s pid %" PRIu64 " failed to restore all register values: %s", __FUNCTION__, m_debugged_process_sp->GetID (), error.AsCString ());
- return SendErrorResponse (0x77);
- }
-
- return SendOKResponse();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_vAttach (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("only supported for lldb-gdbserver");
-
- // Consume the ';' after vAttach.
- packet.SetFilePos (strlen ("vAttach"));
- if (!packet.GetBytesLeft () || packet.GetChar () != ';')
- return SendIllFormedResponse (packet, "vAttach missing expected ';'");
-
- // Grab the PID to which we will attach (assume hex encoding).
- lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID, 16);
- if (pid == LLDB_INVALID_PROCESS_ID)
- return SendIllFormedResponse (packet, "vAttach failed to parse the process id");
-
- // Attempt to attach.
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s attempting to attach to pid %" PRIu64, __FUNCTION__, pid);
-
- Error error = AttachToProcess (pid);
-
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to attach to pid %" PRIu64 ": %s\n", __FUNCTION__, pid, error.AsCString());
- return SendErrorResponse (0x01);
- }
-
- // Notify we attached by sending a stop packet.
- return SendStopReasonForState (m_debugged_process_sp->GetState (), true);
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_D (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PROCESS));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("only supported for lldb-gdbserver");
-
- // Scope for mutex locker.
- Mutex::Locker locker (m_spawned_pids_mutex);
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, no process available", __FUNCTION__);
- return SendErrorResponse (0x15);
- }
-
- if (m_spawned_pids.find(m_debugged_process_sp->GetID ()) == m_spawned_pids.end())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to find PID %" PRIu64 " in spawned pids list",
- __FUNCTION__, m_debugged_process_sp->GetID ());
- return SendErrorResponse (0x1);
- }
-
- lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
-
- // Consume the ';' after D.
- packet.SetFilePos (1);
- if (packet.GetBytesLeft ())
- {
- if (packet.GetChar () != ';')
- return SendIllFormedResponse (packet, "D missing expected ';'");
-
- // Grab the PID from which we will detach (assume hex encoding).
- pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID, 16);
- if (pid == LLDB_INVALID_PROCESS_ID)
- return SendIllFormedResponse (packet, "D failed to parse the process id");
- }
-
- if (pid != LLDB_INVALID_PROCESS_ID &&
- m_debugged_process_sp->GetID () != pid)
- {
- return SendIllFormedResponse (packet, "Invalid pid");
- }
-
- if (m_stdio_communication.IsConnected ())
- {
- m_stdio_communication.StopReadThread ();
- }
-
- const Error error = m_debugged_process_sp->Detach ();
- if (error.Fail ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed to detach from pid %" PRIu64 ": %s\n",
- __FUNCTION__, m_debugged_process_sp->GetID (), error.AsCString ());
- return SendErrorResponse (0x01);
- }
-
- m_spawned_pids.erase (m_debugged_process_sp->GetID ());
- return SendOKResponse ();
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_qThreadStopInfo (StringExtractorGDBRemote &packet)
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // We don't support if we're not llgs.
- if (!IsGdbServer())
- return SendUnimplementedResponse ("only supported for lldb-gdbserver");
-
- packet.SetFilePos (strlen("qThreadStopInfo"));
- const lldb::tid_t tid = packet.GetHexMaxU32 (false, LLDB_INVALID_THREAD_ID);
- if (tid == LLDB_INVALID_THREAD_ID)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s failed, could not parse thread id from request \"%s\"", __FUNCTION__, packet.GetStringRef ().c_str ());
- return SendErrorResponse (0x15);
- }
- return SendStopReplyPacketForThread (tid);
-}
-
-GDBRemoteCommunicationServer::PacketResult
-GDBRemoteCommunicationServer::Handle_qWatchpointSupportInfo (StringExtractorGDBRemote &packet)
-{
- // Only the gdb server handles this.
- if (!IsGdbServer ())
- return SendUnimplementedResponse (packet.GetStringRef ().c_str ());
-
- // Fail if we don't have a current process.
- if (!m_debugged_process_sp ||
- m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID)
- return SendErrorResponse (68);
-
- packet.SetFilePos(strlen("qWatchpointSupportInfo"));
- if (packet.GetBytesLeft() == 0)
- return SendOKResponse();
- if (packet.GetChar() != ':')
- return SendErrorResponse(67);
-
- uint32_t num = m_debugged_process_sp->GetMaxWatchpoints();
- StreamGDBRemote response;
- response.Printf ("num:%d;", num);
- return SendPacketNoLock(response.GetData(), response.GetSize());
-}
-
-void
-GDBRemoteCommunicationServer::FlushInferiorOutput ()
-{
- // If we're not monitoring an inferior's terminal, ignore this.
- if (!m_stdio_communication.IsConnected())
- return;
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s() called", __FUNCTION__);
-
- // FIXME implement a timeout on the join.
- m_stdio_communication.JoinReadThread();
-}
-
-void
-GDBRemoteCommunicationServer::MaybeCloseInferiorTerminalConnection ()
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
-
- // Tell the stdio connection to shut down.
- if (m_stdio_communication.IsConnected())
- {
- auto connection = m_stdio_communication.GetConnection();
- if (connection)
- {
- Error error;
- connection->Disconnect (&error);
-
- if (error.Success ())
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s disconnect process terminal stdio - SUCCESS", __FUNCTION__);
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s disconnect process terminal stdio - FAIL: %s", __FUNCTION__, error.AsCString ());
- }
- }
- }
-}
-
-
-lldb_private::NativeThreadProtocolSP
-GDBRemoteCommunicationServer::GetThreadFromSuffix (StringExtractorGDBRemote &packet)
-{
- NativeThreadProtocolSP thread_sp;
-
- // We have no thread if we don't have a process.
- if (!m_debugged_process_sp || m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID)
- return thread_sp;
-
- // If the client hasn't asked for thread suffix support, there will not be a thread suffix.
- // Use the current thread in that case.
- if (!m_thread_suffix_supported)
- {
- const lldb::tid_t current_tid = GetCurrentThreadID ();
- if (current_tid == LLDB_INVALID_THREAD_ID)
- return thread_sp;
- else if (current_tid == 0)
- {
- // Pick a thread.
- return m_debugged_process_sp->GetThreadAtIndex (0);
- }
- else
- return m_debugged_process_sp->GetThreadByID (current_tid);
- }
-
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
-
- // Parse out the ';'.
- if (packet.GetBytesLeft () < 1 || packet.GetChar () != ';')
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s gdb-remote parse error: expected ';' prior to start of thread suffix: packet contents = '%s'", __FUNCTION__, packet.GetStringRef ().c_str ());
- return thread_sp;
- }
-
- if (!packet.GetBytesLeft ())
- return thread_sp;
-
- // Parse out thread: portion.
- if (strncmp (packet.Peek (), "thread:", strlen("thread:")) != 0)
- {
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s gdb-remote parse error: expected 'thread:' but not found, packet contents = '%s'", __FUNCTION__, packet.GetStringRef ().c_str ());
- return thread_sp;
- }
- packet.SetFilePos (packet.GetFilePos () + strlen("thread:"));
- const lldb::tid_t tid = packet.GetHexMaxU64(false, 0);
- if (tid != 0)
- return m_debugged_process_sp->GetThreadByID (tid);
-
- return thread_sp;
-}
-
-lldb::tid_t
-GDBRemoteCommunicationServer::GetCurrentThreadID () const
-{
- if (m_current_tid == 0 || m_current_tid == LLDB_INVALID_THREAD_ID)
- {
- // Use whatever the debug process says is the current thread id
- // since the protocol either didn't specify or specified we want
- // any/all threads marked as the current thread.
- if (!m_debugged_process_sp)
- return LLDB_INVALID_THREAD_ID;
- return m_debugged_process_sp->GetCurrentThreadID ();
- }
- // Use the specific current thread id set by the gdb remote protocol.
- return m_current_tid;
-}
-
-uint32_t
-GDBRemoteCommunicationServer::GetNextSavedRegistersID ()
-{
- Mutex::Locker locker (m_saved_registers_mutex);
- return m_next_saved_registers_id++;
-}
-
-void
-GDBRemoteCommunicationServer::ClearProcessSpecificData ()
-{
- Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|GDBR_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s()", __FUNCTION__);
-
- // Clear any auxv cached data.
- // *BSD impls should be able to do this too.
-#if defined(__linux__)
- if (log)
- log->Printf ("GDBRemoteCommunicationServer::%s clearing auxv buffer (previously %s)",
- __FUNCTION__,
- m_active_auxv_buffer_sp ? "was set" : "was not set");
- m_active_auxv_buffer_sp.reset ();
-#endif
-}
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h Wed Feb 11 04:29:30 2015
@@ -12,236 +12,47 @@
// C Includes
// C++ Includes
-#include <vector>
-#include <set>
-#include <unordered_map>
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private-forward.h"
-#include "lldb/Core/Communication.h"
-#include "lldb/Host/Mutex.h"
-#include "lldb/Target/Process.h"
#include "GDBRemoteCommunication.h"
-#include "lldb/Host/common/NativeProcessProtocol.h"
-
class ProcessGDBRemote;
class StringExtractorGDBRemote;
class GDBRemoteCommunicationServer :
- public GDBRemoteCommunication,
- public lldb_private::NativeProcessProtocol::NativeDelegate
+ public GDBRemoteCommunication
{
public:
- typedef std::map<uint16_t, lldb::pid_t> PortMap;
-
- enum
- {
- eBroadcastBitRunPacketSent = kLoUserBroadcastBit
- };
- //------------------------------------------------------------------
- // Constructors and Destructors
- //------------------------------------------------------------------
- GDBRemoteCommunicationServer(bool is_platform);
+ using PortMap = std::map<uint16_t, lldb::pid_t>;
+ using PacketHandler = std::function<PacketResult(StringExtractorGDBRemote &packet,
+ lldb_private::Error &error,
+ bool &interrupt,
+ bool &quit)>;
- GDBRemoteCommunicationServer(bool is_platform,
- const lldb::PlatformSP& platform_sp,
- lldb::DebuggerSP& debugger_sp);
+ GDBRemoteCommunicationServer(const char *comm_name,
+ const char *listener_name);
virtual
~GDBRemoteCommunicationServer();
+ void RegisterPacketHandler(StringExtractorGDBRemote::ServerPacketType packet_type,
+ PacketHandler handler);
+
PacketResult
GetPacketAndSendResponse (uint32_t timeout_usec,
lldb_private::Error &error,
bool &interrupt,
bool &quit);
- virtual bool
- GetThreadSuffixSupported () override
- {
- return true;
- }
-
// After connecting, do a little handshake with the client to make sure
// we are at least communicating
bool
HandshakeWithClient (lldb_private::Error *error_ptr);
- // Set both ports to zero to let the platform automatically bind to
- // a port chosen by the OS.
- void
- SetPortMap (PortMap &&port_map)
- {
- m_port_map = port_map;
- }
-
- //----------------------------------------------------------------------
- // If we are using a port map where we can only use certain ports,
- // get the next available port.
- //
- // If we are using a port map and we are out of ports, return UINT16_MAX
- //
- // If we aren't using a port map, return 0 to indicate we should bind to
- // port 0 and then figure out which port we used.
- //----------------------------------------------------------------------
- uint16_t
- GetNextAvailablePort ()
- {
- if (m_port_map.empty())
- return 0; // Bind to port zero and get a port, we didn't have any limitations
-
- for (auto &pair : m_port_map)
- {
- if (pair.second == LLDB_INVALID_PROCESS_ID)
- {
- pair.second = ~(lldb::pid_t)LLDB_INVALID_PROCESS_ID;
- return pair.first;
- }
- }
- return UINT16_MAX;
- }
-
- bool
- AssociatePortWithProcess (uint16_t port, lldb::pid_t pid)
- {
- PortMap::iterator pos = m_port_map.find(port);
- if (pos != m_port_map.end())
- {
- pos->second = pid;
- return true;
- }
- return false;
- }
-
- bool
- FreePort (uint16_t port)
- {
- PortMap::iterator pos = m_port_map.find(port);
- if (pos != m_port_map.end())
- {
- pos->second = LLDB_INVALID_PROCESS_ID;
- return true;
- }
- return false;
- }
-
- bool
- FreePortForProcess (lldb::pid_t pid)
- {
- if (!m_port_map.empty())
- {
- for (auto &pair : m_port_map)
- {
- if (pair.second == pid)
- {
- pair.second = LLDB_INVALID_PROCESS_ID;
- return true;
- }
- }
- }
- return false;
- }
-
- void
- SetPortOffset (uint16_t port_offset)
- {
- m_port_offset = port_offset;
- }
-
- //------------------------------------------------------------------
- /// Specify the program to launch and its arguments.
- ///
- /// @param[in] args
- /// The command line to launch.
- ///
- /// @param[in] argc
- /// The number of elements in the args array of cstring pointers.
- ///
- /// @return
- /// An Error object indicating the success or failure of making
- /// the setting.
- //------------------------------------------------------------------
- lldb_private::Error
- SetLaunchArguments (const char *const args[], int argc);
-
- //------------------------------------------------------------------
- /// Specify the launch flags for the process.
- ///
- /// @param[in] launch_flags
- /// The launch flags to use when launching this process.
- ///
- /// @return
- /// An Error object indicating the success or failure of making
- /// the setting.
- //------------------------------------------------------------------
- lldb_private::Error
- SetLaunchFlags (unsigned int launch_flags);
-
- //------------------------------------------------------------------
- /// Launch a process with the current launch settings.
- ///
- /// This method supports running an lldb-gdbserver or similar
- /// server in a situation where the startup code has been provided
- /// with all the information for a child process to be launched.
- ///
- /// @return
- /// An Error object indicating the success or failure of the
- /// launch.
- //------------------------------------------------------------------
- lldb_private::Error
- LaunchProcess ();
-
- //------------------------------------------------------------------
- /// Attach to a process.
- ///
- /// This method supports attaching llgs to a process accessible via the
- /// configured Platform.
- ///
- /// @return
- /// An Error object indicating the success or failure of the
- /// attach operation.
- //------------------------------------------------------------------
- lldb_private::Error
- AttachToProcess (lldb::pid_t pid);
-
- //------------------------------------------------------------------
- // NativeProcessProtocol::NativeDelegate overrides
- //------------------------------------------------------------------
- void
- InitializeDelegate (lldb_private::NativeProcessProtocol *process) override;
-
- void
- ProcessStateChanged (lldb_private::NativeProcessProtocol *process, lldb::StateType state) override;
-
- void
- DidExec (lldb_private::NativeProcessProtocol *process) override;
-
protected:
- lldb::PlatformSP m_platform_sp;
- lldb::thread_t m_async_thread;
- lldb_private::ProcessLaunchInfo m_process_launch_info;
- lldb_private::Error m_process_launch_error;
- std::set<lldb::pid_t> m_spawned_pids;
- lldb_private::Mutex m_spawned_pids_mutex;
- lldb_private::ProcessInstanceInfoList m_proc_infos;
- uint32_t m_proc_infos_index;
- PortMap m_port_map;
- uint16_t m_port_offset;
- lldb::tid_t m_current_tid;
- lldb::tid_t m_continue_tid;
- lldb_private::Mutex m_debugged_process_mutex;
- lldb_private::NativeProcessProtocolSP m_debugged_process_sp;
- lldb::DebuggerSP m_debugger_sp;
- Communication m_stdio_communication;
+ std::map<StringExtractorGDBRemote::ServerPacketType, PacketHandler> m_packet_handlers;
bool m_exit_now; // use in asynchronous handling to indicate process should exit.
- lldb::StateType m_inferior_prev_state;
- bool m_thread_suffix_supported;
- bool m_list_threads_in_stop_reply;
- lldb::DataBufferSP m_active_auxv_buffer_sp;
- lldb_private::Mutex m_saved_registers_mutex;
- std::unordered_map<uint32_t, lldb::DataBufferSP> m_saved_registers_map;
- uint32_t m_next_saved_registers_id;
PacketResult
SendUnimplementedResponse (const char *packet);
@@ -255,302 +66,7 @@ protected:
PacketResult
SendOKResponse ();
- PacketResult
- SendONotification (const char *buffer, uint32_t len);
-
- PacketResult
- SendWResponse (lldb_private::NativeProcessProtocol *process);
-
- PacketResult
- SendStopReplyPacketForThread (lldb::tid_t tid);
-
- PacketResult
- SendStopReasonForState (lldb::StateType process_state, bool flush_on_exit);
-
- PacketResult
- Handle_A (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qLaunchSuccess (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qHostInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_k (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qPlatform_chmod (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qProcessInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qProcessInfoPID (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qfProcessInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qsProcessInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qC (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qUserName (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qGroupName (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qSpeedTest (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QEnvironment (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QLaunchArch (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetDisableASLR (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetDetachOnError (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetWorkingDir (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QStartNoAckMode (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetSTDIN (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetSTDOUT (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetSTDERR (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_C (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_c (StringExtractorGDBRemote &packet, bool skip_file_pos_adjustment = false);
-
- PacketResult
- Handle_vCont (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vCont_actions (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_stop_reason (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Open (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Close (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_pRead (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_pWrite (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Size (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Mode (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Exists (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_symlink (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_unlink (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Stat (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_MD5 (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qPlatform_shell (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qRegisterInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qfThreadInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qsThreadInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_p (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_P (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_H (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_I (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_interrupt (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_m (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_M (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qMemoryRegionInfoSupported (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qMemoryRegionInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_Z (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_z (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_s (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qSupported (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QThreadSuffixSupported (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QListThreadsInStopReply (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qXfer_auxv_read (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSaveRegisterState (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QRestoreRegisterState (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vAttach (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_D (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qThreadStopInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qWatchpointSupportInfo (StringExtractorGDBRemote &packet);
-
- void
- SetCurrentThreadID (lldb::tid_t tid);
-
- lldb::tid_t
- GetCurrentThreadID () const;
-
- void
- SetContinueThreadID (lldb::tid_t tid);
-
- lldb::tid_t
- GetContinueThreadID () const { return m_continue_tid; }
-
- lldb_private::Error
- SetSTDIOFileDescriptor (int fd);
-
- static void
- STDIOReadThreadBytesReceived (void *baton, const void *src, size_t src_len);
-
private:
- bool
- DebugserverProcessReaped (lldb::pid_t pid);
-
- static bool
- ReapDebugserverProcess (void *callback_baton,
- lldb::pid_t pid,
- bool exited,
- int signal,
- int status);
-
- bool
- DebuggedProcessReaped (lldb::pid_t pid);
-
- static bool
- ReapDebuggedProcess (void *callback_baton,
- lldb::pid_t pid,
- bool exited,
- int signal,
- int status);
-
- bool
- KillSpawnedProcess (lldb::pid_t pid);
-
- bool
- IsGdbServer ()
- {
- return !m_is_platform;
- }
-
- /// Launch an inferior process from lldb-gdbserver
- lldb_private::Error
- LaunchProcessForDebugging ();
-
- /// Launch a process from lldb-platform
- lldb_private::Error
- LaunchPlatformProcess ();
-
- void
- HandleInferiorState_Exited (lldb_private::NativeProcessProtocol *process);
-
- void
- HandleInferiorState_Stopped (lldb_private::NativeProcessProtocol *process);
-
- void
- FlushInferiorOutput ();
-
- lldb_private::NativeThreadProtocolSP
- GetThreadFromSuffix (StringExtractorGDBRemote &packet);
-
- uint32_t
- GetNextSavedRegistersID ();
-
- void
- MaybeCloseInferiorTerminalConnection ();
-
- void
- ClearProcessSpecificData ();
-
- bool
- ShouldRedirectInferiorOutputOverGdbRemote (const lldb_private::ProcessLaunchInfo &launch_info) const;
-
//------------------------------------------------------------------
// For GDBRemoteCommunicationServer only
//------------------------------------------------------------------
Added: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp?rev=228823&view=auto
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp (added)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp Wed Feb 11 04:29:30 2015
@@ -0,0 +1,1204 @@
+//===-- GDBRemoteCommunicationServerCommon.cpp ------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "GDBRemoteCommunicationServerCommon.h"
+
+#include <errno.h>
+
+// C Includes
+// C++ Includes
+#include <cstring>
+#include <chrono>
+
+// Other libraries and framework includes
+#include "llvm/ADT/Triple.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/StreamGDBRemote.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Host/Config.h"
+#include "lldb/Host/Endian.h"
+#include "lldb/Host/File.h"
+#include "lldb/Host/FileSystem.h"
+#include "lldb/Host/Host.h"
+#include "lldb/Host/HostInfo.h"
+#include "lldb/Host/StringConvert.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Target/FileAction.h"
+#include "lldb/Target/Platform.h"
+#include "lldb/Target/Process.h"
+
+// Project includes
+#include "ProcessGDBRemoteLog.h"
+#include "Utility/StringExtractorGDBRemote.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// GDBRemoteCommunicationServerCommon constructor
+//----------------------------------------------------------------------
+GDBRemoteCommunicationServerCommon::GDBRemoteCommunicationServerCommon(const char *comm_name, const char *listener_name) :
+ GDBRemoteCommunicationServer (comm_name, listener_name),
+ m_spawned_pids (),
+ m_spawned_pids_mutex (Mutex::eMutexTypeRecursive),
+ m_process_launch_info (),
+ m_process_launch_error (),
+ m_proc_infos (),
+ m_proc_infos_index (0),
+ m_thread_suffix_supported (false),
+ m_list_threads_in_stop_reply (false)
+{
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_A,
+ &GDBRemoteCommunicationServerCommon::Handle_A);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QEnvironment,
+ &GDBRemoteCommunicationServerCommon::Handle_QEnvironment);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qfProcessInfo,
+ &GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qGroupName,
+ &GDBRemoteCommunicationServerCommon::Handle_qGroupName);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qHostInfo,
+ &GDBRemoteCommunicationServerCommon::Handle_qHostInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qKillSpawnedProcess,
+ &GDBRemoteCommunicationServerCommon::Handle_qKillSpawnedProcess);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QLaunchArch,
+ &GDBRemoteCommunicationServerCommon::Handle_QLaunchArch);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess,
+ &GDBRemoteCommunicationServerCommon::Handle_qLaunchSuccess);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QListThreadsInStopReply,
+ &GDBRemoteCommunicationServerCommon::Handle_QListThreadsInStopReply);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qPlatform_chmod,
+ &GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qPlatform_mkdir,
+ &GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qPlatform_shell,
+ &GDBRemoteCommunicationServerCommon::Handle_qPlatform_shell);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID,
+ &GDBRemoteCommunicationServerCommon::Handle_qProcessInfoPID);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetDetachOnError,
+ &GDBRemoteCommunicationServerCommon::Handle_QSetDetachOnError);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetSTDERR,
+ &GDBRemoteCommunicationServerCommon::Handle_QSetSTDERR);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetSTDIN,
+ &GDBRemoteCommunicationServerCommon::Handle_QSetSTDIN);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT,
+ &GDBRemoteCommunicationServerCommon::Handle_QSetSTDOUT);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qSpeedTest,
+ &GDBRemoteCommunicationServerCommon::Handle_qSpeedTest);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qsProcessInfo,
+ &GDBRemoteCommunicationServerCommon::Handle_qsProcessInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode,
+ &GDBRemoteCommunicationServerCommon::Handle_QStartNoAckMode);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qSupported,
+ &GDBRemoteCommunicationServerCommon::Handle_qSupported);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QThreadSuffixSupported,
+ &GDBRemoteCommunicationServerCommon::Handle_QThreadSuffixSupported);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qUserName,
+ &GDBRemoteCommunicationServerCommon::Handle_qUserName);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_close,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_Close);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_exists,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_Exists);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_md5,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_MD5);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_mode,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_Mode);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_open,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_Open);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_pread,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_pRead);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_pwrite,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_size,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_Size);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_stat,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_Stat);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_symlink,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_symlink);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_unlink,
+ &GDBRemoteCommunicationServerCommon::Handle_vFile_unlink);
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+GDBRemoteCommunicationServerCommon::~GDBRemoteCommunicationServerCommon()
+{
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qHostInfo (StringExtractorGDBRemote &packet)
+{
+ StreamString response;
+
+ // $cputype:16777223;cpusubtype:3;ostype:Darwin;vendor:apple;endian:little;ptrsize:8;#00
+
+ ArchSpec host_arch(HostInfo::GetArchitecture());
+ const llvm::Triple &host_triple = host_arch.GetTriple();
+ response.PutCString("triple:");
+ response.PutCStringAsRawHex8(host_triple.getTriple().c_str());
+ response.Printf (";ptrsize:%u;",host_arch.GetAddressByteSize());
+
+ const char* distribution_id = host_arch.GetDistributionId ().AsCString ();
+ if (distribution_id)
+ {
+ response.PutCString("distribution_id:");
+ response.PutCStringAsRawHex8(distribution_id);
+ response.PutCString(";");
+ }
+
+ // Only send out MachO info when lldb-platform/llgs is running on a MachO host.
+#if defined(__APPLE__)
+ uint32_t cpu = host_arch.GetMachOCPUType();
+ uint32_t sub = host_arch.GetMachOCPUSubType();
+ if (cpu != LLDB_INVALID_CPUTYPE)
+ response.Printf ("cputype:%u;", cpu);
+ if (sub != LLDB_INVALID_CPUTYPE)
+ response.Printf ("cpusubtype:%u;", sub);
+
+ if (cpu == ArchSpec::kCore_arm_any)
+ response.Printf("watchpoint_exceptions_received:before;"); // On armv7 we use "synchronous" watchpoints which means the exception is delivered before the instruction executes.
+ else
+ response.Printf("watchpoint_exceptions_received:after;");
+#else
+ response.Printf("watchpoint_exceptions_received:after;");
+#endif
+
+ switch (lldb::endian::InlHostByteOrder())
+ {
+ case eByteOrderBig: response.PutCString ("endian:big;"); break;
+ case eByteOrderLittle: response.PutCString ("endian:little;"); break;
+ case eByteOrderPDP: response.PutCString ("endian:pdp;"); break;
+ default: response.PutCString ("endian:unknown;"); break;
+ }
+
+ uint32_t major = UINT32_MAX;
+ uint32_t minor = UINT32_MAX;
+ uint32_t update = UINT32_MAX;
+ if (HostInfo::GetOSVersion(major, minor, update))
+ {
+ if (major != UINT32_MAX)
+ {
+ response.Printf("os_version:%u", major);
+ if (minor != UINT32_MAX)
+ {
+ response.Printf(".%u", minor);
+ if (update != UINT32_MAX)
+ response.Printf(".%u", update);
+ }
+ response.PutChar(';');
+ }
+ }
+
+ std::string s;
+ if (HostInfo::GetOSBuildString(s))
+ {
+ response.PutCString ("os_build:");
+ response.PutCStringAsRawHex8(s.c_str());
+ response.PutChar(';');
+ }
+ if (HostInfo::GetOSKernelDescription(s))
+ {
+ response.PutCString ("os_kernel:");
+ response.PutCStringAsRawHex8(s.c_str());
+ response.PutChar(';');
+ }
+
+#if defined(__APPLE__)
+
+#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
+ // For iOS devices, we are connected through a USB Mux so we never pretend
+ // to actually have a hostname as far as the remote lldb that is connecting
+ // to this lldb-platform is concerned
+ response.PutCString ("hostname:");
+ response.PutCStringAsRawHex8("127.0.0.1");
+ response.PutChar(';');
+#else // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
+ if (HostInfo::GetHostname(s))
+ {
+ response.PutCString ("hostname:");
+ response.PutCStringAsRawHex8(s.c_str());
+ response.PutChar(';');
+ }
+#endif // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
+
+#else // #if defined(__APPLE__)
+ if (HostInfo::GetHostname(s))
+ {
+ response.PutCString ("hostname:");
+ response.PutCStringAsRawHex8(s.c_str());
+ response.PutChar(';');
+ }
+#endif // #if defined(__APPLE__)
+
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qProcessInfoPID (StringExtractorGDBRemote &packet)
+{
+ // Packet format: "qProcessInfoPID:%i" where %i is the pid
+ packet.SetFilePos (::strlen ("qProcessInfoPID:"));
+ lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID);
+ if (pid != LLDB_INVALID_PROCESS_ID)
+ {
+ ProcessInstanceInfo proc_info;
+ if (Host::GetProcessInfo (pid, proc_info))
+ {
+ StreamString response;
+ CreateProcessInfoResponse (proc_info, response);
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+ }
+ }
+ return SendErrorResponse (1);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo (StringExtractorGDBRemote &packet)
+{
+ m_proc_infos_index = 0;
+ m_proc_infos.Clear();
+
+ ProcessInstanceInfoMatch match_info;
+ packet.SetFilePos(::strlen ("qfProcessInfo"));
+ if (packet.GetChar() == ':')
+ {
+
+ std::string key;
+ std::string value;
+ while (packet.GetNameColonValue(key, value))
+ {
+ bool success = true;
+ if (key.compare("name") == 0)
+ {
+ StringExtractor extractor;
+ extractor.GetStringRef().swap(value);
+ extractor.GetHexByteString (value);
+ match_info.GetProcessInfo().GetExecutableFile().SetFile(value.c_str(), false);
+ }
+ else if (key.compare("name_match") == 0)
+ {
+ if (value.compare("equals") == 0)
+ {
+ match_info.SetNameMatchType (eNameMatchEquals);
+ }
+ else if (value.compare("starts_with") == 0)
+ {
+ match_info.SetNameMatchType (eNameMatchStartsWith);
+ }
+ else if (value.compare("ends_with") == 0)
+ {
+ match_info.SetNameMatchType (eNameMatchEndsWith);
+ }
+ else if (value.compare("contains") == 0)
+ {
+ match_info.SetNameMatchType (eNameMatchContains);
+ }
+ else if (value.compare("regex") == 0)
+ {
+ match_info.SetNameMatchType (eNameMatchRegularExpression);
+ }
+ else
+ {
+ success = false;
+ }
+ }
+ else if (key.compare("pid") == 0)
+ {
+ match_info.GetProcessInfo().SetProcessID (StringConvert::ToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
+ }
+ else if (key.compare("parent_pid") == 0)
+ {
+ match_info.GetProcessInfo().SetParentProcessID (StringConvert::ToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
+ }
+ else if (key.compare("uid") == 0)
+ {
+ match_info.GetProcessInfo().SetUserID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
+ }
+ else if (key.compare("gid") == 0)
+ {
+ match_info.GetProcessInfo().SetGroupID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
+ }
+ else if (key.compare("euid") == 0)
+ {
+ match_info.GetProcessInfo().SetEffectiveUserID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
+ }
+ else if (key.compare("egid") == 0)
+ {
+ match_info.GetProcessInfo().SetEffectiveGroupID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success));
+ }
+ else if (key.compare("all_users") == 0)
+ {
+ match_info.SetMatchAllUsers(Args::StringToBoolean(value.c_str(), false, &success));
+ }
+ else if (key.compare("triple") == 0)
+ {
+ match_info.GetProcessInfo().GetArchitecture().SetTriple (value.c_str(), NULL);
+ }
+ else
+ {
+ success = false;
+ }
+
+ if (!success)
+ return SendErrorResponse (2);
+ }
+ }
+
+ if (Host::FindProcesses (match_info, m_proc_infos))
+ {
+ // We found something, return the first item by calling the get
+ // subsequent process info packet handler...
+ return Handle_qsProcessInfo (packet);
+ }
+ return SendErrorResponse (3);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qsProcessInfo (StringExtractorGDBRemote &packet)
+{
+ if (m_proc_infos_index < m_proc_infos.GetSize())
+ {
+ StreamString response;
+ CreateProcessInfoResponse (m_proc_infos.GetProcessInfoAtIndex(m_proc_infos_index), response);
+ ++m_proc_infos_index;
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+ }
+ return SendErrorResponse (4);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qUserName (StringExtractorGDBRemote &packet)
+{
+#if !defined(LLDB_DISABLE_POSIX)
+ // Packet format: "qUserName:%i" where %i is the uid
+ packet.SetFilePos(::strlen ("qUserName:"));
+ uint32_t uid = packet.GetU32 (UINT32_MAX);
+ if (uid != UINT32_MAX)
+ {
+ std::string name;
+ if (HostInfo::LookupUserName(uid, name))
+ {
+ StreamString response;
+ response.PutCStringAsRawHex8 (name.c_str());
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+ }
+ }
+#endif
+ return SendErrorResponse (5);
+
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qGroupName (StringExtractorGDBRemote &packet)
+{
+#if !defined(LLDB_DISABLE_POSIX)
+ // Packet format: "qGroupName:%i" where %i is the gid
+ packet.SetFilePos(::strlen ("qGroupName:"));
+ uint32_t gid = packet.GetU32 (UINT32_MAX);
+ if (gid != UINT32_MAX)
+ {
+ std::string name;
+ if (HostInfo::LookupGroupName(gid, name))
+ {
+ StreamString response;
+ response.PutCStringAsRawHex8 (name.c_str());
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+ }
+ }
+#endif
+ return SendErrorResponse (6);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qSpeedTest (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("qSpeedTest:"));
+
+ std::string key;
+ std::string value;
+ bool success = packet.GetNameColonValue(key, value);
+ if (success && key.compare("response_size") == 0)
+ {
+ uint32_t response_size = StringConvert::ToUInt32(value.c_str(), 0, 0, &success);
+ if (success)
+ {
+ if (response_size == 0)
+ return SendOKResponse();
+ StreamString response;
+ uint32_t bytes_left = response_size;
+ response.PutCString("data:");
+ while (bytes_left > 0)
+ {
+ if (bytes_left >= 26)
+ {
+ response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+ bytes_left -= 26;
+ }
+ else
+ {
+ response.Printf ("%*.*s;", bytes_left, bytes_left, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+ bytes_left = 0;
+ }
+ }
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+ }
+ }
+ return SendErrorResponse (7);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("qKillSpawnedProcess:"));
+
+ lldb::pid_t pid = packet.GetU64(LLDB_INVALID_PROCESS_ID);
+
+ // verify that we know anything about this pid.
+ // Scope for locker
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.find(pid) == m_spawned_pids.end())
+ {
+ // not a pid we know about
+ return SendErrorResponse (10);
+ }
+ }
+
+ // go ahead and attempt to kill the spawned process
+ if (KillSpawnedProcess (pid))
+ return SendOKResponse ();
+ else
+ return SendErrorResponse (11);
+}
+
+bool
+GDBRemoteCommunicationServerCommon::KillSpawnedProcess (lldb::pid_t pid)
+{
+ // make sure we know about this process
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.find(pid) == m_spawned_pids.end())
+ return false;
+ }
+
+ // first try a SIGTERM (standard kill)
+ Host::Kill (pid, SIGTERM);
+
+ // check if that worked
+ for (size_t i=0; i<10; ++i)
+ {
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.find(pid) == m_spawned_pids.end())
+ {
+ // it is now killed
+ return true;
+ }
+ }
+ usleep (10000);
+ }
+
+ // check one more time after the final usleep
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.find(pid) == m_spawned_pids.end())
+ return true;
+ }
+
+ // the launched process still lives. Now try killing it again,
+ // this time with an unblockable signal.
+ Host::Kill (pid, SIGKILL);
+
+ for (size_t i=0; i<10; ++i)
+ {
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.find(pid) == m_spawned_pids.end())
+ {
+ // it is now killed
+ return true;
+ }
+ }
+ usleep (10000);
+ }
+
+ // check one more time after the final usleep
+ // Scope for locker
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.find(pid) == m_spawned_pids.end())
+ return true;
+ }
+
+ // no luck - the process still lives
+ return false;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_Open (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:open:"));
+ std::string path;
+ packet.GetHexByteStringTerminatedBy(path,',');
+ if (!path.empty())
+ {
+ if (packet.GetChar() == ',')
+ {
+ uint32_t flags = packet.GetHexMaxU32(false, 0);
+ if (packet.GetChar() == ',')
+ {
+ mode_t mode = packet.GetHexMaxU32(false, 0600);
+ Error error;
+ int fd = ::open (path.c_str(), flags, mode);
+ const int save_errno = fd == -1 ? errno : 0;
+ StreamString response;
+ response.PutChar('F');
+ response.Printf("%i", fd);
+ if (save_errno)
+ response.Printf(",%i", save_errno);
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ }
+ }
+ return SendErrorResponse(18);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_Close (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:close:"));
+ int fd = packet.GetS32(-1);
+ Error error;
+ int err = -1;
+ int save_errno = 0;
+ if (fd >= 0)
+ {
+ err = close(fd);
+ save_errno = err == -1 ? errno : 0;
+ }
+ else
+ {
+ save_errno = EINVAL;
+ }
+ StreamString response;
+ response.PutChar('F');
+ response.Printf("%i", err);
+ if (save_errno)
+ response.Printf(",%i", save_errno);
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_pRead (StringExtractorGDBRemote &packet)
+{
+#ifdef _WIN32
+ // Not implemented on Windows
+ return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_vFile_pRead() unimplemented");
+#else
+ StreamGDBRemote response;
+ packet.SetFilePos(::strlen("vFile:pread:"));
+ int fd = packet.GetS32(-1);
+ if (packet.GetChar() == ',')
+ {
+ uint64_t count = packet.GetU64(UINT64_MAX);
+ if (packet.GetChar() == ',')
+ {
+ uint64_t offset = packet.GetU64(UINT32_MAX);
+ if (count == UINT64_MAX)
+ {
+ response.Printf("F-1:%i", EINVAL);
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+
+ std::string buffer(count, 0);
+ const ssize_t bytes_read = ::pread (fd, &buffer[0], buffer.size(), offset);
+ const int save_errno = bytes_read == -1 ? errno : 0;
+ response.PutChar('F');
+ response.Printf("%zi", bytes_read);
+ if (save_errno)
+ response.Printf(",%i", save_errno);
+ else
+ {
+ response.PutChar(';');
+ response.PutEscapedBytes(&buffer[0], bytes_read);
+ }
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ }
+ return SendErrorResponse(21);
+
+#endif
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite (StringExtractorGDBRemote &packet)
+{
+#ifdef _WIN32
+ return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite() unimplemented");
+#else
+ packet.SetFilePos(::strlen("vFile:pwrite:"));
+
+ StreamGDBRemote response;
+ response.PutChar('F');
+
+ int fd = packet.GetU32(UINT32_MAX);
+ if (packet.GetChar() == ',')
+ {
+ off_t offset = packet.GetU64(UINT32_MAX);
+ if (packet.GetChar() == ',')
+ {
+ std::string buffer;
+ if (packet.GetEscapedBinaryData(buffer))
+ {
+ const ssize_t bytes_written = ::pwrite (fd, buffer.data(), buffer.size(), offset);
+ const int save_errno = bytes_written == -1 ? errno : 0;
+ response.Printf("%zi", bytes_written);
+ if (save_errno)
+ response.Printf(",%i", save_errno);
+ }
+ else
+ {
+ response.Printf ("-1,%i", EINVAL);
+ }
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ }
+ return SendErrorResponse(27);
+#endif
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_Size (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:size:"));
+ std::string path;
+ packet.GetHexByteString(path);
+ if (!path.empty())
+ {
+ lldb::user_id_t retcode = FileSystem::GetFileSize(FileSpec(path.c_str(), false));
+ StreamString response;
+ response.PutChar('F');
+ response.PutHex64(retcode);
+ if (retcode == UINT64_MAX)
+ {
+ response.PutChar(',');
+ response.PutHex64(retcode); // TODO: replace with Host::GetSyswideErrorCode()
+ }
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ return SendErrorResponse(22);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_Mode (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:mode:"));
+ std::string path;
+ packet.GetHexByteString(path);
+ if (!path.empty())
+ {
+ Error error;
+ const uint32_t mode = File::GetPermissions(path.c_str(), error);
+ StreamString response;
+ response.Printf("F%u", mode);
+ if (mode == 0 || error.Fail())
+ response.Printf(",%i", (int)error.GetError());
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ return SendErrorResponse(23);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_Exists (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:exists:"));
+ std::string path;
+ packet.GetHexByteString(path);
+ if (!path.empty())
+ {
+ bool retcode = FileSystem::GetFileExists(FileSpec(path.c_str(), false));
+ StreamString response;
+ response.PutChar('F');
+ response.PutChar(',');
+ if (retcode)
+ response.PutChar('1');
+ else
+ response.PutChar('0');
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ return SendErrorResponse(24);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_symlink (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:symlink:"));
+ std::string dst, src;
+ packet.GetHexByteStringTerminatedBy(dst, ',');
+ packet.GetChar(); // Skip ',' char
+ packet.GetHexByteString(src);
+ Error error = FileSystem::Symlink(src.c_str(), dst.c_str());
+ StreamString response;
+ response.Printf("F%u,%u", error.GetError(), error.GetError());
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_unlink (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:unlink:"));
+ std::string path;
+ packet.GetHexByteString(path);
+ Error error = FileSystem::Unlink(path.c_str());
+ StreamString response;
+ response.Printf("F%u,%u", error.GetError(), error.GetError());
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qPlatform_shell (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("qPlatform_shell:"));
+ std::string path;
+ std::string working_dir;
+ packet.GetHexByteStringTerminatedBy(path,',');
+ if (!path.empty())
+ {
+ if (packet.GetChar() == ',')
+ {
+ // FIXME: add timeout to qPlatform_shell packet
+ // uint32_t timeout = packet.GetHexMaxU32(false, 32);
+ uint32_t timeout = 10;
+ if (packet.GetChar() == ',')
+ packet.GetHexByteString(working_dir);
+ int status, signo;
+ std::string output;
+ Error err = Host::RunShellCommand(path.c_str(),
+ working_dir.empty() ? NULL : working_dir.c_str(),
+ &status, &signo, &output, timeout);
+ StreamGDBRemote response;
+ if (err.Fail())
+ {
+ response.PutCString("F,");
+ response.PutHex32(UINT32_MAX);
+ }
+ else
+ {
+ response.PutCString("F,");
+ response.PutHex32(status);
+ response.PutChar(',');
+ response.PutHex32(signo);
+ response.PutChar(',');
+ response.PutEscapedBytes(output.c_str(), output.size());
+ }
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ }
+ return SendErrorResponse(24);
+}
+
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_Stat (StringExtractorGDBRemote &packet)
+{
+ return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_vFile_Stat() unimplemented");
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_vFile_MD5 (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("vFile:MD5:"));
+ std::string path;
+ packet.GetHexByteString(path);
+ if (!path.empty())
+ {
+ uint64_t a,b;
+ StreamGDBRemote response;
+ if (FileSystem::CalculateMD5(FileSpec(path.c_str(), false), a, b) == false)
+ {
+ response.PutCString("F,");
+ response.PutCString("x");
+ }
+ else
+ {
+ response.PutCString("F,");
+ response.PutHex64(a);
+ response.PutHex64(b);
+ }
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ return SendErrorResponse(25);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("qPlatform_mkdir:"));
+ mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
+ if (packet.GetChar() == ',')
+ {
+ std::string path;
+ packet.GetHexByteString(path);
+ Error error = FileSystem::MakeDirectory(path.c_str(), mode);
+ if (error.Success())
+ return SendPacketNoLock ("OK", 2);
+ else
+ return SendErrorResponse(error.GetError());
+ }
+ return SendErrorResponse(20);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen("qPlatform_chmod:"));
+
+ mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
+ if (packet.GetChar() == ',')
+ {
+ std::string path;
+ packet.GetHexByteString(path);
+ Error error = FileSystem::SetFilePermissions(path.c_str(), mode);
+ if (error.Success())
+ return SendPacketNoLock ("OK", 2);
+ else
+ return SendErrorResponse(error.GetError());
+ }
+ return SendErrorResponse(19);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qSupported (StringExtractorGDBRemote &packet)
+{
+ StreamGDBRemote response;
+
+ // Features common to lldb-platform and llgs.
+ uint32_t max_packet_size = 128 * 1024; // 128KBytes is a reasonable max packet size--debugger can always use less
+ response.Printf ("PacketSize=%x", max_packet_size);
+
+ response.PutCString (";QStartNoAckMode+");
+ response.PutCString (";QThreadSuffixSupported+");
+ response.PutCString (";QListThreadsInStopReply+");
+#if defined(__linux__)
+ response.PutCString (";qXfer:auxv:read+");
+#endif
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QThreadSuffixSupported (StringExtractorGDBRemote &packet)
+{
+ m_thread_suffix_supported = true;
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QListThreadsInStopReply (StringExtractorGDBRemote &packet)
+{
+ m_list_threads_in_stop_reply = true;
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QSetDetachOnError (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QSetDetachOnError:"));
+ if (packet.GetU32(0))
+ m_process_launch_info.GetFlags().Set (eLaunchFlagDetachOnError);
+ else
+ m_process_launch_info.GetFlags().Clear (eLaunchFlagDetachOnError);
+ return SendOKResponse ();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QStartNoAckMode (StringExtractorGDBRemote &packet)
+{
+ // Send response first before changing m_send_acks to we ack this packet
+ PacketResult packet_result = SendOKResponse ();
+ m_send_acks = false;
+ return packet_result;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QSetSTDIN (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QSetSTDIN:"));
+ FileAction file_action;
+ std::string path;
+ packet.GetHexByteString(path);
+ const bool read = false;
+ const bool write = true;
+ if (file_action.Open(STDIN_FILENO, path.c_str(), read, write))
+ {
+ m_process_launch_info.AppendFileAction(file_action);
+ return SendOKResponse ();
+ }
+ return SendErrorResponse (15);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QSetSTDOUT (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QSetSTDOUT:"));
+ FileAction file_action;
+ std::string path;
+ packet.GetHexByteString(path);
+ const bool read = true;
+ const bool write = false;
+ if (file_action.Open(STDOUT_FILENO, path.c_str(), read, write))
+ {
+ m_process_launch_info.AppendFileAction(file_action);
+ return SendOKResponse ();
+ }
+ return SendErrorResponse (16);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QSetSTDERR (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QSetSTDERR:"));
+ FileAction file_action;
+ std::string path;
+ packet.GetHexByteString(path);
+ const bool read = true;
+ const bool write = false;
+ if (file_action.Open(STDERR_FILENO, path.c_str(), read, write))
+ {
+ m_process_launch_info.AppendFileAction(file_action);
+ return SendOKResponse ();
+ }
+ return SendErrorResponse (17);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_qLaunchSuccess (StringExtractorGDBRemote &packet)
+{
+ if (m_process_launch_error.Success())
+ return SendOKResponse();
+ StreamString response;
+ response.PutChar('E');
+ response.PutCString(m_process_launch_error.AsCString("<unknown error>"));
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QEnvironment (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QEnvironment:"));
+ const uint32_t bytes_left = packet.GetBytesLeft();
+ if (bytes_left > 0)
+ {
+ m_process_launch_info.GetEnvironmentEntries ().AppendArgument (packet.Peek());
+ return SendOKResponse ();
+ }
+ return SendErrorResponse (12);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_QLaunchArch (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QLaunchArch:"));
+ const uint32_t bytes_left = packet.GetBytesLeft();
+ if (bytes_left > 0)
+ {
+ const char* arch_triple = packet.Peek();
+ ArchSpec arch_spec(arch_triple,NULL);
+ m_process_launch_info.SetArchitecture(arch_spec);
+ return SendOKResponse();
+ }
+ return SendErrorResponse(13);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerCommon::Handle_A (StringExtractorGDBRemote &packet)
+{
+ // The 'A' packet is the most over designed packet ever here with
+ // redundant argument indexes, redundant argument lengths and needed hex
+ // encoded argument string values. Really all that is needed is a comma
+ // separated hex encoded argument value list, but we will stay true to the
+ // documented version of the 'A' packet here...
+
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ int actual_arg_index = 0;
+
+ packet.SetFilePos(1); // Skip the 'A'
+ bool success = true;
+ while (success && packet.GetBytesLeft() > 0)
+ {
+ // Decode the decimal argument string length. This length is the
+ // number of hex nibbles in the argument string value.
+ const uint32_t arg_len = packet.GetU32(UINT32_MAX);
+ if (arg_len == UINT32_MAX)
+ success = false;
+ else
+ {
+ // Make sure the argument hex string length is followed by a comma
+ if (packet.GetChar() != ',')
+ success = false;
+ else
+ {
+ // Decode the argument index. We ignore this really because
+ // who would really send down the arguments in a random order???
+ const uint32_t arg_idx = packet.GetU32(UINT32_MAX);
+ if (arg_idx == UINT32_MAX)
+ success = false;
+ else
+ {
+ // Make sure the argument index is followed by a comma
+ if (packet.GetChar() != ',')
+ success = false;
+ else
+ {
+ // Decode the argument string value from hex bytes
+ // back into a UTF8 string and make sure the length
+ // matches the one supplied in the packet
+ std::string arg;
+ if (packet.GetHexByteStringFixedLength(arg, arg_len) != (arg_len / 2))
+ success = false;
+ else
+ {
+ // If there are any bytes left
+ if (packet.GetBytesLeft())
+ {
+ if (packet.GetChar() != ',')
+ success = false;
+ }
+
+ if (success)
+ {
+ if (arg_idx == 0)
+ m_process_launch_info.GetExecutableFile().SetFile(arg.c_str(), false);
+ m_process_launch_info.GetArguments().AppendArgument(arg.c_str());
+ if (log)
+ log->Printf ("LLGSPacketHandler::%s added arg %d: \"%s\"", __FUNCTION__, actual_arg_index, arg.c_str ());
+ ++actual_arg_index;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (success)
+ {
+ m_process_launch_error = LaunchProcess ();
+ if (m_process_launch_info.GetProcessID() != LLDB_INVALID_PROCESS_ID)
+ {
+ return SendOKResponse ();
+ }
+ else
+ {
+ Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf("LLGSPacketHandler::%s failed to launch exe: %s",
+ __FUNCTION__,
+ m_process_launch_error.AsCString());
+
+ }
+ }
+ return SendErrorResponse (8);
+}
+
+void
+GDBRemoteCommunicationServerCommon::CreateProcessInfoResponse (const ProcessInstanceInfo &proc_info,
+ StreamString &response)
+{
+ response.Printf ("pid:%" PRIu64 ";ppid:%" PRIu64 ";uid:%i;gid:%i;euid:%i;egid:%i;",
+ proc_info.GetProcessID(),
+ proc_info.GetParentProcessID(),
+ proc_info.GetUserID(),
+ proc_info.GetGroupID(),
+ proc_info.GetEffectiveUserID(),
+ proc_info.GetEffectiveGroupID());
+ response.PutCString ("name:");
+ response.PutCStringAsRawHex8(proc_info.GetName());
+ response.PutChar(';');
+ const ArchSpec &proc_arch = proc_info.GetArchitecture();
+ if (proc_arch.IsValid())
+ {
+ const llvm::Triple &proc_triple = proc_arch.GetTriple();
+ response.PutCString("triple:");
+ response.PutCStringAsRawHex8(proc_triple.getTriple().c_str());
+ response.PutChar(';');
+ }
+}
+
+void
+GDBRemoteCommunicationServerCommon::CreateProcessInfoResponse_DebugServerStyle (
+ const ProcessInstanceInfo &proc_info, StreamString &response)
+{
+ response.Printf ("pid:%" PRIx64 ";parent-pid:%" PRIx64 ";real-uid:%x;real-gid:%x;effective-uid:%x;effective-gid:%x;",
+ proc_info.GetProcessID(),
+ proc_info.GetParentProcessID(),
+ proc_info.GetUserID(),
+ proc_info.GetGroupID(),
+ proc_info.GetEffectiveUserID(),
+ proc_info.GetEffectiveGroupID());
+
+ const ArchSpec &proc_arch = proc_info.GetArchitecture();
+ if (proc_arch.IsValid())
+ {
+ const llvm::Triple &proc_triple = proc_arch.GetTriple();
+#if defined(__APPLE__)
+ // We'll send cputype/cpusubtype.
+ const uint32_t cpu_type = proc_arch.GetMachOCPUType();
+ if (cpu_type != 0)
+ response.Printf ("cputype:%" PRIx32 ";", cpu_type);
+
+ const uint32_t cpu_subtype = proc_arch.GetMachOCPUSubType();
+ if (cpu_subtype != 0)
+ response.Printf ("cpusubtype:%" PRIx32 ";", cpu_subtype);
+
+ const std::string vendor = proc_triple.getVendorName ();
+ if (!vendor.empty ())
+ response.Printf ("vendor:%s;", vendor.c_str ());
+#else
+ // We'll send the triple.
+ response.PutCString("triple:");
+ response.PutCStringAsRawHex8(proc_triple.getTriple().c_str());
+ response.PutChar(';');
+#endif
+ std::string ostype = proc_triple.getOSName ();
+ // Adjust so ostype reports ios for Apple/ARM and Apple/ARM64.
+ if (proc_triple.getVendor () == llvm::Triple::Apple)
+ {
+ switch (proc_triple.getArch ())
+ {
+ case llvm::Triple::arm:
+ case llvm::Triple::aarch64:
+ ostype = "ios";
+ break;
+ default:
+ // No change.
+ break;
+ }
+ }
+ response.Printf ("ostype:%s;", ostype.c_str ());
+
+
+ switch (proc_arch.GetByteOrder ())
+ {
+ case lldb::eByteOrderLittle: response.PutCString ("endian:little;"); break;
+ case lldb::eByteOrderBig: response.PutCString ("endian:big;"); break;
+ case lldb::eByteOrderPDP: response.PutCString ("endian:pdp;"); break;
+ default:
+ // Nothing.
+ break;
+ }
+
+ if (proc_triple.isArch64Bit ())
+ response.PutCString ("ptrsize:8;");
+ else if (proc_triple.isArch32Bit ())
+ response.PutCString ("ptrsize:4;");
+ else if (proc_triple.isArch16Bit ())
+ response.PutCString ("ptrsize:2;");
+ }
+}
Added: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.h?rev=228823&view=auto
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.h (added)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.h Wed Feb 11 04:29:30 2015
@@ -0,0 +1,200 @@
+//===-- GDBRemoteCommunicationServerCommon.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_GDBRemoteCommunicationServerCommon_h_
+#define liblldb_GDBRemoteCommunicationServerCommon_h_
+
+// C Includes
+// C++ Includes
+#include <set>
+
+// Other libraries and framework includes
+#include "lldb/lldb-private-forward.h"
+#include "lldb/Host/Mutex.h"
+#include "lldb/Target/Process.h"
+
+// Project includes
+#include "GDBRemoteCommunicationServer.h"
+#include "GDBRemoteCommunicationServerCommon.h"
+
+class ProcessGDBRemote;
+class StringExtractorGDBRemote;
+
+class GDBRemoteCommunicationServerCommon :
+ public GDBRemoteCommunicationServer
+{
+public:
+ GDBRemoteCommunicationServerCommon(const char *comm_name, const char *listener_name);
+
+ virtual
+ ~GDBRemoteCommunicationServerCommon();
+
+ virtual bool
+ GetThreadSuffixSupported () override
+ {
+ return true;
+ }
+
+ //------------------------------------------------------------------
+ /// Launch a process with the current launch settings.
+ ///
+ /// This method supports running an lldb-gdbserver or similar
+ /// server in a situation where the startup code has been provided
+ /// with all the information for a child process to be launched.
+ ///
+ /// @return
+ /// An Error object indicating the success or failure of the
+ /// launch.
+ //------------------------------------------------------------------
+ virtual lldb_private::Error
+ LaunchProcess () = 0;
+
+protected:
+ std::set<lldb::pid_t> m_spawned_pids;
+ lldb_private::Mutex m_spawned_pids_mutex;
+ lldb_private::ProcessLaunchInfo m_process_launch_info;
+ lldb_private::Error m_process_launch_error;
+ lldb_private::ProcessInstanceInfoList m_proc_infos;
+ uint32_t m_proc_infos_index;
+ bool m_thread_suffix_supported;
+ bool m_list_threads_in_stop_reply;
+
+ PacketResult
+ Handle_A (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qHostInfo (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qProcessInfoPID (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qfProcessInfo (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qsProcessInfo (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qUserName (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qGroupName (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qSpeedTest (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_Open (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_Close (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_pRead (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_pWrite (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_Size (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_Mode (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_Exists (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_symlink (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_unlink (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_Stat (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_vFile_MD5 (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qPlatform_shell (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qPlatform_chmod (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qSupported (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QThreadSuffixSupported (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QListThreadsInStopReply (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QSetDetachOnError (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QStartNoAckMode (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QSetSTDIN (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QSetSTDOUT (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QSetSTDERR (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qLaunchSuccess (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QEnvironment (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QLaunchArch (StringExtractorGDBRemote &packet);
+
+ bool
+ KillSpawnedProcess (lldb::pid_t pid);
+
+ static void
+ CreateProcessInfoResponse (const lldb_private::ProcessInstanceInfo &proc_info,
+ lldb_private::StreamString &response);
+
+ static void
+ CreateProcessInfoResponse_DebugServerStyle (const lldb_private::ProcessInstanceInfo &proc_info,
+ lldb_private::StreamString &response);
+
+ template <typename T>
+ using MemberFunctionPacketHandler = PacketResult (T::*) (StringExtractorGDBRemote& packet);
+
+ template <typename T>
+ void
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::ServerPacketType packet_type,
+ MemberFunctionPacketHandler<T> handler)
+ {
+ RegisterPacketHandler(packet_type,
+ [this, handler] (StringExtractorGDBRemote packet,
+ lldb_private::Error &error,
+ bool &interrupt,
+ bool &quit)
+ {
+ return (static_cast<T*>(this)->*handler) (packet);
+ });
+ }
+};
+
+#endif // liblldb_GDBRemoteCommunicationServerCommon_h_
Added: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp?rev=228823&view=auto
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp (added)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp Wed Feb 11 04:29:30 2015
@@ -0,0 +1,2742 @@
+//===-- GDBRemoteCommunicationServerLLGS.cpp --------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <errno.h>
+
+#include "lldb/Host/Config.h"
+
+#include "GDBRemoteCommunicationServerLLGS.h"
+#include "lldb/Core/StreamGDBRemote.h"
+
+// C Includes
+// C++ Includes
+#include <cstring>
+#include <chrono>
+#include <thread>
+
+// Other libraries and framework includes
+#include "llvm/ADT/Triple.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/State.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Host/ConnectionFileDescriptor.h"
+#include "lldb/Host/Debug.h"
+#include "lldb/Host/Endian.h"
+#include "lldb/Host/File.h"
+#include "lldb/Host/FileSystem.h"
+#include "lldb/Host/Host.h"
+#include "lldb/Host/HostInfo.h"
+#include "lldb/Host/StringConvert.h"
+#include "lldb/Host/TimeValue.h"
+#include "lldb/Target/FileAction.h"
+#include "lldb/Target/Platform.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Host/common/NativeRegisterContext.h"
+#include "lldb/Host/common/NativeProcessProtocol.h"
+#include "lldb/Host/common/NativeThreadProtocol.h"
+
+// Project includes
+#include "Utility/StringExtractorGDBRemote.h"
+#include "Utility/UriParser.h"
+#include "ProcessGDBRemote.h"
+#include "ProcessGDBRemoteLog.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// GDBRemote Errors
+//----------------------------------------------------------------------
+
+namespace
+{
+ enum GDBRemoteServerError
+ {
+ // Set to the first unused error number in literal form below
+ eErrorFirst = 29,
+ eErrorNoProcess = eErrorFirst,
+ eErrorResume,
+ eErrorExitStatus
+ };
+}
+
+//----------------------------------------------------------------------
+// GDBRemoteCommunicationServerLLGS constructor
+//----------------------------------------------------------------------
+GDBRemoteCommunicationServerLLGS::GDBRemoteCommunicationServerLLGS(
+ const lldb::PlatformSP& platform_sp,
+ lldb::DebuggerSP &debugger_sp) :
+ GDBRemoteCommunicationServerCommon ("gdb-remote.server", "gdb-remote.server.rx_packet"),
+ m_platform_sp (platform_sp),
+ m_async_thread (LLDB_INVALID_HOST_THREAD),
+ m_current_tid (LLDB_INVALID_THREAD_ID),
+ m_continue_tid (LLDB_INVALID_THREAD_ID),
+ m_debugged_process_mutex (Mutex::eMutexTypeRecursive),
+ m_debugged_process_sp (),
+ m_debugger_sp (debugger_sp),
+ m_stdio_communication ("process.stdio"),
+ m_inferior_prev_state (StateType::eStateInvalid),
+ m_active_auxv_buffer_sp (),
+ m_saved_registers_mutex (),
+ m_saved_registers_map (),
+ m_next_saved_registers_id (1)
+{
+ assert(platform_sp);
+ assert(debugger_sp && "must specify non-NULL debugger_sp for lldb-gdbserver");
+ RegisterPacketHandlers();
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+GDBRemoteCommunicationServerLLGS::~GDBRemoteCommunicationServerLLGS()
+{
+}
+
+void
+GDBRemoteCommunicationServerLLGS::RegisterPacketHandlers()
+{
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_A,
+ &GDBRemoteCommunicationServerLLGS::Handle_A);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_C,
+ &GDBRemoteCommunicationServerLLGS::Handle_C);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_c,
+ &GDBRemoteCommunicationServerLLGS::Handle_c);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_D,
+ &GDBRemoteCommunicationServerLLGS::Handle_D);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_H,
+ &GDBRemoteCommunicationServerLLGS::Handle_H);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_I,
+ &GDBRemoteCommunicationServerLLGS::Handle_I);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_interrupt,
+ &GDBRemoteCommunicationServerLLGS::Handle_interrupt);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_m,
+ &GDBRemoteCommunicationServerLLGS::Handle_m);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_M,
+ &GDBRemoteCommunicationServerLLGS::Handle_M);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_p,
+ &GDBRemoteCommunicationServerLLGS::Handle_p);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_P,
+ &GDBRemoteCommunicationServerLLGS::Handle_P);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qC,
+ &GDBRemoteCommunicationServerLLGS::Handle_qC);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qfThreadInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qfThreadInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qGetWorkingDir,
+ &GDBRemoteCommunicationServerLLGS::Handle_qGetWorkingDir);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qMemoryRegionInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qMemoryRegionInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qMemoryRegionInfoSupported,
+ &GDBRemoteCommunicationServerLLGS::Handle_qMemoryRegionInfoSupported);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qProcessInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qProcessInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qRegisterInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qRegisterInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QRestoreRegisterState,
+ &GDBRemoteCommunicationServerLLGS::Handle_QRestoreRegisterState);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSaveRegisterState,
+ &GDBRemoteCommunicationServerLLGS::Handle_QSaveRegisterState);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetDisableASLR,
+ &GDBRemoteCommunicationServerLLGS::Handle_QSetDisableASLR);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetWorkingDir,
+ &GDBRemoteCommunicationServerLLGS::Handle_QSetWorkingDir);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qsThreadInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qsThreadInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qThreadStopInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qThreadStopInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qWatchpointSupportInfo,
+ &GDBRemoteCommunicationServerLLGS::Handle_qWatchpointSupportInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qXfer_auxv_read,
+ &GDBRemoteCommunicationServerLLGS::Handle_qXfer_auxv_read);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_s,
+ &GDBRemoteCommunicationServerLLGS::Handle_s);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_stop_reason,
+ &GDBRemoteCommunicationServerLLGS::Handle_stop_reason); // ?
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vAttach,
+ &GDBRemoteCommunicationServerLLGS::Handle_vAttach);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vCont,
+ &GDBRemoteCommunicationServerLLGS::Handle_vCont);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vCont_actions,
+ &GDBRemoteCommunicationServerLLGS::Handle_vCont_actions);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_Z,
+ &GDBRemoteCommunicationServerLLGS::Handle_Z);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_z,
+ &GDBRemoteCommunicationServerLLGS::Handle_z);
+
+ RegisterPacketHandler(StringExtractorGDBRemote::eServerPacketType_k,
+ [this](StringExtractorGDBRemote packet,
+ Error &error,
+ bool &interrupt,
+ bool &quit)
+ {
+ quit = true;
+ return this->Handle_k (packet);
+ });
+}
+
+lldb_private::Error
+GDBRemoteCommunicationServerLLGS::SetLaunchArguments (const char *const args[], int argc)
+{
+ if ((argc < 1) || !args || !args[0] || !args[0][0])
+ return lldb_private::Error ("%s: no process command line specified to launch", __FUNCTION__);
+
+ m_process_launch_info.SetArguments (const_cast<const char**> (args), true);
+ return lldb_private::Error ();
+}
+
+lldb_private::Error
+GDBRemoteCommunicationServerLLGS::SetLaunchFlags (unsigned int launch_flags)
+{
+ m_process_launch_info.GetFlags ().Set (launch_flags);
+ return lldb_private::Error ();
+}
+
+lldb_private::Error
+GDBRemoteCommunicationServerLLGS::LaunchProcess ()
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ if (!m_process_launch_info.GetArguments ().GetArgumentCount ())
+ return lldb_private::Error ("%s: no process command line specified to launch", __FUNCTION__);
+
+ lldb_private::Error error;
+ {
+ Mutex::Locker locker (m_debugged_process_mutex);
+ assert (!m_debugged_process_sp && "lldb-gdbserver creating debugged process but one already exists");
+ error = m_platform_sp->LaunchNativeProcess (
+ m_process_launch_info,
+ *this,
+ m_debugged_process_sp);
+ }
+
+ if (!error.Success ())
+ {
+ fprintf (stderr, "%s: failed to launch executable %s", __FUNCTION__, m_process_launch_info.GetArguments ().GetArgumentAtIndex (0));
+ return error;
+ }
+
+ // Handle mirroring of inferior stdout/stderr over the gdb-remote protocol as needed.
+ // llgs local-process debugging may specify PTYs, which will eliminate the need to reflect inferior
+ // stdout/stderr over the gdb-remote protocol.
+ if (ShouldRedirectInferiorOutputOverGdbRemote (m_process_launch_info))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " setting up stdout/stderr redirection via $O gdb-remote commands", __FUNCTION__, m_debugged_process_sp->GetID ());
+
+ // Setup stdout/stderr mapping from inferior to $O
+ auto terminal_fd = m_debugged_process_sp->GetTerminalFileDescriptor ();
+ if (terminal_fd >= 0)
+ {
+ if (log)
+ log->Printf ("ProcessGDBRemoteCommunicationServerLLGS::%s setting inferior STDIO fd to %d", __FUNCTION__, terminal_fd);
+ error = SetSTDIOFileDescriptor (terminal_fd);
+ if (error.Fail ())
+ return error;
+ }
+ else
+ {
+ if (log)
+ log->Printf ("ProcessGDBRemoteCommunicationServerLLGS::%s ignoring inferior STDIO since terminal fd reported as %d", __FUNCTION__, terminal_fd);
+ }
+ }
+ else
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " skipping stdout/stderr redirection via $O: inferior will communicate over client-provided file descriptors", __FUNCTION__, m_debugged_process_sp->GetID ());
+ }
+
+ printf ("Launched '%s' as process %" PRIu64 "...\n", m_process_launch_info.GetArguments ().GetArgumentAtIndex (0), m_process_launch_info.GetProcessID ());
+
+ // Add to list of spawned processes.
+ lldb::pid_t pid;
+ if ((pid = m_process_launch_info.GetProcessID ()) != LLDB_INVALID_PROCESS_ID)
+ {
+ // add to spawned pids
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ // On an lldb-gdbserver, we would expect there to be only one.
+ assert (m_spawned_pids.empty () && "lldb-gdbserver adding tracked process but one already existed");
+ m_spawned_pids.insert (pid);
+ }
+
+ return error;
+}
+
+bool
+GDBRemoteCommunicationServerLLGS::ShouldRedirectInferiorOutputOverGdbRemote (const lldb_private::ProcessLaunchInfo &launch_info) const
+{
+ // Retrieve the file actions specified for stdout and stderr.
+ auto stdout_file_action = launch_info.GetFileActionForFD (STDOUT_FILENO);
+ auto stderr_file_action = launch_info.GetFileActionForFD (STDERR_FILENO);
+
+ // If neither stdout and stderr file actions are specified, we're not doing anything special, so
+ // assume we want to redirect stdout/stderr over gdb-remote $O messages.
+ if ((stdout_file_action == nullptr) && (stderr_file_action == nullptr))
+ {
+ // Send stdout/stderr over the gdb-remote protocol.
+ return true;
+ }
+
+ // Any other setting for either stdout or stderr implies we are either suppressing
+ // it (with /dev/null) or we've got it set to a PTY. Either way, we don't want the
+ // output over gdb-remote.
+ return false;
+}
+
+lldb_private::Error
+GDBRemoteCommunicationServerLLGS::AttachToProcess (lldb::pid_t pid)
+{
+ Error error;
+
+ Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64, __FUNCTION__, pid);
+
+ // Scope for mutex locker.
+ {
+ // Before we try to attach, make sure we aren't already monitoring something else.
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (!m_spawned_pids.empty ())
+ {
+ error.SetErrorStringWithFormat ("cannot attach to a process %" PRIu64 " when another process with pid %" PRIu64 " is being debugged.", pid, *m_spawned_pids.begin());
+ return error;
+ }
+
+ // Try to attach.
+ error = m_platform_sp->AttachNativeProcess (pid, *this, m_debugged_process_sp);
+ if (!error.Success ())
+ {
+ fprintf (stderr, "%s: failed to attach to process %" PRIu64 ": %s", __FUNCTION__, pid, error.AsCString ());
+ return error;
+ }
+
+ // Setup stdout/stderr mapping from inferior.
+ auto terminal_fd = m_debugged_process_sp->GetTerminalFileDescriptor ();
+ if (terminal_fd >= 0)
+ {
+ if (log)
+ log->Printf ("ProcessGDBRemoteCommunicationServerLLGS::%s setting inferior STDIO fd to %d", __FUNCTION__, terminal_fd);
+ error = SetSTDIOFileDescriptor (terminal_fd);
+ if (error.Fail ())
+ return error;
+ }
+ else
+ {
+ if (log)
+ log->Printf ("ProcessGDBRemoteCommunicationServerLLGS::%s ignoring inferior STDIO since terminal fd reported as %d", __FUNCTION__, terminal_fd);
+ }
+
+ printf ("Attached to process %" PRIu64 "...\n", pid);
+
+ // Add to list of spawned processes.
+ assert (m_spawned_pids.empty () && "lldb-gdbserver adding tracked process but one already existed");
+ m_spawned_pids.insert (pid);
+
+ return error;
+ }
+}
+
+void
+GDBRemoteCommunicationServerLLGS::InitializeDelegate (lldb_private::NativeProcessProtocol *process)
+{
+ assert (process && "process cannot be NULL");
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s called with NativeProcessProtocol pid %" PRIu64 ", current state: %s",
+ __FUNCTION__,
+ process->GetID (),
+ StateAsCString (process->GetState ()));
+ }
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::SendWResponse (lldb_private::NativeProcessProtocol *process)
+{
+ assert (process && "process cannot be NULL");
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // send W notification
+ ExitType exit_type = ExitType::eExitTypeInvalid;
+ int return_code = 0;
+ std::string exit_description;
+
+ const bool got_exit_info = process->GetExitStatus (&exit_type, &return_code, exit_description);
+ if (!got_exit_info)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 ", failed to retrieve process exit status", __FUNCTION__, process->GetID ());
+
+ StreamGDBRemote response;
+ response.PutChar ('E');
+ response.PutHex8 (GDBRemoteServerError::eErrorExitStatus);
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+ else
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 ", returning exit type %d, return code %d [%s]", __FUNCTION__, process->GetID (), exit_type, return_code, exit_description.c_str ());
+
+ StreamGDBRemote response;
+
+ char return_type_code;
+ switch (exit_type)
+ {
+ case ExitType::eExitTypeExit:
+ return_type_code = 'W';
+ break;
+ case ExitType::eExitTypeSignal:
+ return_type_code = 'X';
+ break;
+ case ExitType::eExitTypeStop:
+ return_type_code = 'S';
+ break;
+ case ExitType::eExitTypeInvalid:
+ return_type_code = 'E';
+ break;
+ }
+ response.PutChar (return_type_code);
+
+ // POSIX exit status limited to unsigned 8 bits.
+ response.PutHex8 (return_code);
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+}
+
+static void
+AppendHexValue (StreamString &response, const uint8_t* buf, uint32_t buf_size, bool swap)
+{
+ int64_t i;
+ if (swap)
+ {
+ for (i = buf_size-1; i >= 0; i--)
+ response.PutHex8 (buf[i]);
+ }
+ else
+ {
+ for (i = 0; i < buf_size; i++)
+ response.PutHex8 (buf[i]);
+ }
+}
+
+static void
+WriteRegisterValueInHexFixedWidth (StreamString &response,
+ NativeRegisterContextSP ®_ctx_sp,
+ const RegisterInfo ®_info,
+ const RegisterValue *reg_value_p)
+{
+ RegisterValue reg_value;
+ if (!reg_value_p)
+ {
+ Error error = reg_ctx_sp->ReadRegister (®_info, reg_value);
+ if (error.Success ())
+ reg_value_p = ®_value;
+ // else log.
+ }
+
+ if (reg_value_p)
+ {
+ AppendHexValue (response, (const uint8_t*) reg_value_p->GetBytes (), reg_value_p->GetByteSize (), false);
+ }
+ else
+ {
+ // Zero-out any unreadable values.
+ if (reg_info.byte_size > 0)
+ {
+ std::basic_string<uint8_t> zeros(reg_info.byte_size, '\0');
+ AppendHexValue (response, zeros.data(), zeros.size(), false);
+ }
+ }
+}
+
+static void
+WriteGdbRegnumWithFixedWidthHexRegisterValue (StreamString &response,
+ NativeRegisterContextSP ®_ctx_sp,
+ const RegisterInfo ®_info,
+ const RegisterValue ®_value)
+{
+ // Output the register number as 'NN:VVVVVVVV;' where NN is a 2 bytes HEX
+ // gdb register number, and VVVVVVVV is the correct number of hex bytes
+ // as ASCII for the register value.
+ if (reg_info.kinds[eRegisterKindGDB] == LLDB_INVALID_REGNUM)
+ return;
+
+ response.Printf ("%.02x:", reg_info.kinds[eRegisterKindGDB]);
+ WriteRegisterValueInHexFixedWidth (response, reg_ctx_sp, reg_info, ®_value);
+ response.PutChar (';');
+}
+
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::SendStopReplyPacketForThread (lldb::tid_t tid)
+{
+ Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD));
+
+ // Ensure we have a debugged process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ return SendErrorResponse (50);
+
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s preparing packet for pid %" PRIu64 " tid %" PRIu64,
+ __FUNCTION__, m_debugged_process_sp->GetID (), tid);
+
+ // Ensure we can get info on the given thread.
+ NativeThreadProtocolSP thread_sp (m_debugged_process_sp->GetThreadByID (tid));
+ if (!thread_sp)
+ return SendErrorResponse (51);
+
+ // Grab the reason this thread stopped.
+ struct ThreadStopInfo tid_stop_info;
+ std::string description;
+ if (!thread_sp->GetStopReason (tid_stop_info, description))
+ return SendErrorResponse (52);
+
+ // FIXME implement register handling for exec'd inferiors.
+ // if (tid_stop_info.reason == eStopReasonExec)
+ // {
+ // const bool force = true;
+ // InitializeRegisters(force);
+ // }
+
+ StreamString response;
+ // Output the T packet with the thread
+ response.PutChar ('T');
+ int signum = tid_stop_info.details.signal.signo;
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " tid %" PRIu64 " got signal signo = %d, reason = %d, exc_type = %" PRIu64,
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ tid,
+ signum,
+ tid_stop_info.reason,
+ tid_stop_info.details.exception.type);
+ }
+
+ // Print the signal number.
+ response.PutHex8 (signum & 0xff);
+
+ // Include the tid.
+ response.Printf ("thread:%" PRIx64 ";", tid);
+
+ // Include the thread name if there is one.
+ const std::string thread_name = thread_sp->GetName ();
+ if (!thread_name.empty ())
+ {
+ size_t thread_name_len = thread_name.length ();
+
+ if (::strcspn (thread_name.c_str (), "$#+-;:") == thread_name_len)
+ {
+ response.PutCString ("name:");
+ response.PutCString (thread_name.c_str ());
+ }
+ else
+ {
+ // The thread name contains special chars, send as hex bytes.
+ response.PutCString ("hexname:");
+ response.PutCStringAsRawHex8 (thread_name.c_str ());
+ }
+ response.PutChar (';');
+ }
+
+ // If a 'QListThreadsInStopReply' was sent to enable this feature, we
+ // will send all thread IDs back in the "threads" key whose value is
+ // a list of hex thread IDs separated by commas:
+ // "threads:10a,10b,10c;"
+ // This will save the debugger from having to send a pair of qfThreadInfo
+ // and qsThreadInfo packets, but it also might take a lot of room in the
+ // stop reply packet, so it must be enabled only on systems where there
+ // are no limits on packet lengths.
+ if (m_list_threads_in_stop_reply)
+ {
+ response.PutCString ("threads:");
+
+ uint32_t thread_index = 0;
+ NativeThreadProtocolSP listed_thread_sp;
+ for (listed_thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index); listed_thread_sp; ++thread_index, listed_thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index))
+ {
+ if (thread_index > 0)
+ response.PutChar (',');
+ response.Printf ("%" PRIx64, listed_thread_sp->GetID ());
+ }
+ response.PutChar (';');
+ }
+
+ //
+ // Expedite registers.
+ //
+
+ // Grab the register context.
+ NativeRegisterContextSP reg_ctx_sp = thread_sp->GetRegisterContext ();
+ if (reg_ctx_sp)
+ {
+ // Expedite all registers in the first register set (i.e. should be GPRs) that are not contained in other registers.
+ const RegisterSet *reg_set_p;
+ if (reg_ctx_sp->GetRegisterSetCount () > 0 && ((reg_set_p = reg_ctx_sp->GetRegisterSet (0)) != nullptr))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s expediting registers from set '%s' (registers set count: %zu)", __FUNCTION__, reg_set_p->name ? reg_set_p->name : "<unnamed-set>", reg_set_p->num_registers);
+
+ for (const uint32_t *reg_num_p = reg_set_p->registers; *reg_num_p != LLDB_INVALID_REGNUM; ++reg_num_p)
+ {
+ const RegisterInfo *const reg_info_p = reg_ctx_sp->GetRegisterInfoAtIndex (*reg_num_p);
+ if (reg_info_p == nullptr)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to get register info for register set '%s', register index %" PRIu32, __FUNCTION__, reg_set_p->name ? reg_set_p->name : "<unnamed-set>", *reg_num_p);
+ }
+ else if (reg_info_p->value_regs == nullptr)
+ {
+ // Only expediate registers that are not contained in other registers.
+ RegisterValue reg_value;
+ Error error = reg_ctx_sp->ReadRegister (reg_info_p, reg_value);
+ if (error.Success ())
+ WriteGdbRegnumWithFixedWidthHexRegisterValue (response, reg_ctx_sp, *reg_info_p, reg_value);
+ else
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to read register '%s' index %" PRIu32 ": %s", __FUNCTION__, reg_info_p->name ? reg_info_p->name : "<unnamed-register>", *reg_num_p, error.AsCString ());
+
+ }
+ }
+ }
+ }
+ }
+
+ const char* reason_str = nullptr;
+ switch (tid_stop_info.reason)
+ {
+ case eStopReasonTrace:
+ reason_str = "trace";
+ break;
+ case eStopReasonBreakpoint:
+ reason_str = "breakpoint";
+ break;
+ case eStopReasonWatchpoint:
+ reason_str = "watchpoint";
+ break;
+ case eStopReasonSignal:
+ reason_str = "signal";
+ break;
+ case eStopReasonException:
+ reason_str = "exception";
+ break;
+ case eStopReasonExec:
+ reason_str = "exec";
+ break;
+ case eStopReasonInstrumentation:
+ case eStopReasonInvalid:
+ case eStopReasonPlanComplete:
+ case eStopReasonThreadExiting:
+ case eStopReasonNone:
+ break;
+ }
+ if (reason_str != nullptr)
+ {
+ response.Printf ("reason:%s;", reason_str);
+ }
+
+ if (!description.empty())
+ {
+ // Description may contains special chars, send as hex bytes.
+ response.PutCString ("description:");
+ response.PutCStringAsRawHex8 (description.c_str ());
+ response.PutChar (';');
+ }
+ else if ((tid_stop_info.reason == eStopReasonException) && tid_stop_info.details.exception.type)
+ {
+ response.PutCString ("metype:");
+ response.PutHex64 (tid_stop_info.details.exception.type);
+ response.PutCString (";mecount:");
+ response.PutHex32 (tid_stop_info.details.exception.data_count);
+ response.PutChar (';');
+
+ for (uint32_t i = 0; i < tid_stop_info.details.exception.data_count; ++i)
+ {
+ response.PutCString ("medata:");
+ response.PutHex64 (tid_stop_info.details.exception.data[i]);
+ response.PutChar (';');
+ }
+ }
+
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+}
+
+void
+GDBRemoteCommunicationServerLLGS::HandleInferiorState_Exited (lldb_private::NativeProcessProtocol *process)
+{
+ assert (process && "process cannot be NULL");
+
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__);
+
+ // Send the exit result, and don't flush output.
+ // Note: flushing output here would join the inferior stdio reflection thread, which
+ // would gunk up the waitpid monitor thread that is calling this.
+ PacketResult result = SendStopReasonForState (StateType::eStateExited, false);
+ if (result != PacketResult::Success)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to send stop notification for PID %" PRIu64 ", state: eStateExited", __FUNCTION__, process->GetID ());
+ }
+
+ // Remove the process from the list of spawned pids.
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ if (m_spawned_pids.erase (process->GetID ()) < 1)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to remove PID %" PRIu64 " from the spawned pids list", __FUNCTION__, process->GetID ());
+
+ }
+ }
+
+ // FIXME can't do this yet - since process state propagation is currently
+ // synchronous, it is running off the NativeProcessProtocol's innards and
+ // will tear down the NPP while it still has code to execute.
+#if 0
+ // Clear the NativeProcessProtocol pointer.
+ {
+ Mutex::Locker locker (m_debugged_process_mutex);
+ m_debugged_process_sp.reset();
+ }
+#endif
+
+ // Close the pipe to the inferior terminal i/o if we launched it
+ // and set one up. Otherwise, 'k' and its flush of stdio could
+ // end up waiting on a thread join that will never end. Consider
+ // adding a timeout to the connection thread join call so we
+ // can avoid that scenario altogether.
+ MaybeCloseInferiorTerminalConnection ();
+
+ // We are ready to exit the debug monitor.
+ m_exit_now = true;
+}
+
+void
+GDBRemoteCommunicationServerLLGS::HandleInferiorState_Stopped (lldb_private::NativeProcessProtocol *process)
+{
+ assert (process && "process cannot be NULL");
+
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__);
+
+ // Send the stop reason unless this is the stop after the
+ // launch or attach.
+ switch (m_inferior_prev_state)
+ {
+ case eStateLaunching:
+ case eStateAttaching:
+ // Don't send anything per debugserver behavior.
+ break;
+ default:
+ // In all other cases, send the stop reason.
+ PacketResult result = SendStopReasonForState (StateType::eStateStopped, false);
+ if (result != PacketResult::Success)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to send stop notification for PID %" PRIu64 ", state: eStateExited", __FUNCTION__, process->GetID ());
+ }
+ break;
+ }
+}
+
+void
+GDBRemoteCommunicationServerLLGS::ProcessStateChanged (lldb_private::NativeProcessProtocol *process, lldb::StateType state)
+{
+ assert (process && "process cannot be NULL");
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s called with NativeProcessProtocol pid %" PRIu64 ", state: %s",
+ __FUNCTION__,
+ process->GetID (),
+ StateAsCString (state));
+ }
+
+ switch (state)
+ {
+ case StateType::eStateExited:
+ HandleInferiorState_Exited (process);
+ break;
+
+ case StateType::eStateStopped:
+ HandleInferiorState_Stopped (process);
+ break;
+
+ default:
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s didn't handle state change for pid %" PRIu64 ", new state: %s",
+ __FUNCTION__,
+ process->GetID (),
+ StateAsCString (state));
+ }
+ break;
+ }
+
+ // Remember the previous state reported to us.
+ m_inferior_prev_state = state;
+}
+
+void
+GDBRemoteCommunicationServerLLGS::DidExec (NativeProcessProtocol *process)
+{
+ ClearProcessSpecificData ();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::SendONotification (const char *buffer, uint32_t len)
+{
+ if ((buffer == nullptr) || (len == 0))
+ {
+ // Nothing to send.
+ return PacketResult::Success;
+ }
+
+ StreamString response;
+ response.PutChar ('O');
+ response.PutBytesAsRawHex8 (buffer, len);
+
+ return SendPacketNoLock (response.GetData (), response.GetSize ());
+}
+
+lldb_private::Error
+GDBRemoteCommunicationServerLLGS::SetSTDIOFileDescriptor (int fd)
+{
+ Error error;
+
+ // Set up the Read Thread for reading/handling process I/O
+ std::unique_ptr<ConnectionFileDescriptor> conn_up (new ConnectionFileDescriptor (fd, true));
+ if (!conn_up)
+ {
+ error.SetErrorString ("failed to create ConnectionFileDescriptor");
+ return error;
+ }
+
+ m_stdio_communication.SetConnection (conn_up.release());
+ if (!m_stdio_communication.IsConnected ())
+ {
+ error.SetErrorString ("failed to set connection for inferior I/O communication");
+ return error;
+ }
+
+ m_stdio_communication.SetReadThreadBytesReceivedCallback (STDIOReadThreadBytesReceived, this);
+ m_stdio_communication.StartReadThread();
+
+ return error;
+}
+
+void
+GDBRemoteCommunicationServerLLGS::STDIOReadThreadBytesReceived (void *baton, const void *src, size_t src_len)
+{
+ GDBRemoteCommunicationServerLLGS *server = reinterpret_cast<GDBRemoteCommunicationServerLLGS*> (baton);
+ static_cast<void> (server->SendONotification (static_cast<const char *>(src), src_len));
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qProcessInfo (StringExtractorGDBRemote &packet)
+{
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ return SendErrorResponse (68);
+
+ lldb::pid_t pid = m_debugged_process_sp->GetID ();
+
+ if (pid == LLDB_INVALID_PROCESS_ID)
+ return SendErrorResponse (1);
+
+ ProcessInstanceInfo proc_info;
+ if (!Host::GetProcessInfo (pid, proc_info))
+ return SendErrorResponse (1);
+
+ StreamString response;
+ CreateProcessInfoResponse_DebugServerStyle(proc_info, response);
+ return SendPacketNoLock (response.GetData (), response.GetSize ());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qC (StringExtractorGDBRemote &packet)
+{
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ return SendErrorResponse (68);
+
+ // Make sure we set the current thread so g and p packets return
+ // the data the gdb will expect.
+ lldb::tid_t tid = m_debugged_process_sp->GetCurrentThreadID ();
+ SetCurrentThreadID (tid);
+
+ NativeThreadProtocolSP thread_sp = m_debugged_process_sp->GetCurrentThread ();
+ if (!thread_sp)
+ return SendErrorResponse (69);
+
+ StreamString response;
+ response.Printf ("QC%" PRIx64, thread_sp->GetID ());
+
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+}
+
+bool
+GDBRemoteCommunicationServerLLGS::DebuggedProcessReaped (lldb::pid_t pid)
+{
+ // reap a process that we were debugging (but not debugserver)
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ return m_spawned_pids.erase(pid) > 0;
+}
+
+bool
+GDBRemoteCommunicationServerLLGS::ReapDebuggedProcess (void *callback_baton,
+ lldb::pid_t pid,
+ bool exited,
+ int signal, // Zero for no signal
+ int status) // Exit value of process if signal is zero
+{
+ GDBRemoteCommunicationServerLLGS *server = (GDBRemoteCommunicationServerLLGS *)callback_baton;
+ server->DebuggedProcessReaped (pid);
+ return true;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_k (StringExtractorGDBRemote &packet)
+{
+ // shutdown all spawned processes
+ std::set<lldb::pid_t> spawned_pids_copy;
+
+ // copy pids
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ spawned_pids_copy.insert (m_spawned_pids.begin (), m_spawned_pids.end ());
+ }
+
+ // nuke the spawned processes
+ for (auto it = spawned_pids_copy.begin (); it != spawned_pids_copy.end (); ++it)
+ {
+ lldb::pid_t spawned_pid = *it;
+ if (!KillSpawnedProcess (spawned_pid))
+ {
+ fprintf (stderr, "%s: failed to kill spawned pid %" PRIu64 ", ignoring.\n", __FUNCTION__, spawned_pid);
+ }
+ }
+
+ FlushInferiorOutput ();
+
+ // No OK response for kill packet.
+ // return SendOKResponse ();
+ return PacketResult::Success;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_QSetDisableASLR (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos(::strlen ("QSetDisableASLR:"));
+ if (packet.GetU32(0))
+ m_process_launch_info.GetFlags().Set (eLaunchFlagDisableASLR);
+ else
+ m_process_launch_info.GetFlags().Clear (eLaunchFlagDisableASLR);
+ return SendOKResponse ();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_QSetWorkingDir (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos (::strlen ("QSetWorkingDir:"));
+ std::string path;
+ packet.GetHexByteString (path);
+ m_process_launch_info.SwapWorkingDirectory (path);
+ return SendOKResponse ();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qGetWorkingDir (StringExtractorGDBRemote &packet)
+{
+ const char *working_dir = m_process_launch_info.GetWorkingDirectory();
+ if (working_dir && working_dir[0])
+ {
+ StreamString response;
+ response.PutBytesAsRawHex8(working_dir, strlen(working_dir));
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+ }
+
+ return SendErrorResponse(14);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_C (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|LIBLLDB_LOG_THREAD));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__);
+
+ // Ensure we have a native process.
+ if (!m_debugged_process_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s no debugged process shared pointer", __FUNCTION__);
+ return SendErrorResponse (0x36);
+ }
+
+ // Pull out the signal number.
+ packet.SetFilePos (::strlen ("C"));
+ if (packet.GetBytesLeft () < 1)
+ {
+ // Shouldn't be using a C without a signal.
+ return SendIllFormedResponse (packet, "C packet specified without signal.");
+ }
+ const uint32_t signo = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
+ if (signo == std::numeric_limits<uint32_t>::max ())
+ return SendIllFormedResponse (packet, "failed to parse signal number");
+
+ // Handle optional continue address.
+ if (packet.GetBytesLeft () > 0)
+ {
+ // FIXME add continue at address support for $C{signo}[;{continue-address}].
+ if (*packet.Peek () == ';')
+ return SendUnimplementedResponse (packet.GetStringRef().c_str());
+ else
+ return SendIllFormedResponse (packet, "unexpected content after $C{signal-number}");
+ }
+
+ lldb_private::ResumeActionList resume_actions (StateType::eStateRunning, 0);
+ Error error;
+
+ // We have two branches: what to do if a continue thread is specified (in which case we target
+ // sending the signal to that thread), or when we don't have a continue thread set (in which
+ // case we send a signal to the process).
+
+ // TODO discuss with Greg Clayton, make sure this makes sense.
+
+ lldb::tid_t signal_tid = GetContinueThreadID ();
+ if (signal_tid != LLDB_INVALID_THREAD_ID)
+ {
+ // The resume action for the continue thread (or all threads if a continue thread is not set).
+ lldb_private::ResumeAction action = { GetContinueThreadID (), StateType::eStateRunning, static_cast<int> (signo) };
+
+ // Add the action for the continue thread (or all threads when the continue thread isn't present).
+ resume_actions.Append (action);
+ }
+ else
+ {
+ // Send the signal to the process since we weren't targeting a specific continue thread with the signal.
+ error = m_debugged_process_sp->Signal (signo);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to send signal for process %" PRIu64 ": %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+
+ return SendErrorResponse (0x52);
+ }
+ }
+
+ // Resume the threads.
+ error = m_debugged_process_sp->Resume (resume_actions);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to resume threads for process %" PRIu64 ": %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+
+ return SendErrorResponse (0x38);
+ }
+
+ // Don't send an "OK" packet; response is the stopped/exited message.
+ return PacketResult::Success;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_c (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|LIBLLDB_LOG_THREAD));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__);
+
+ packet.SetFilePos (packet.GetFilePos() + ::strlen ("c"));
+
+ // For now just support all continue.
+ const bool has_continue_address = (packet.GetBytesLeft () > 0);
+ if (has_continue_address)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s not implemented for c{address} variant [%s remains]", __FUNCTION__, packet.Peek ());
+ return SendUnimplementedResponse (packet.GetStringRef().c_str());
+ }
+
+ // Ensure we have a native process.
+ if (!m_debugged_process_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s no debugged process shared pointer", __FUNCTION__);
+ return SendErrorResponse (0x36);
+ }
+
+ // Build the ResumeActionList
+ lldb_private::ResumeActionList actions (StateType::eStateRunning, 0);
+
+ Error error = m_debugged_process_sp->Resume (actions);
+ if (error.Fail ())
+ {
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s c failed for process %" PRIu64 ": %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ }
+ return SendErrorResponse (GDBRemoteServerError::eErrorResume);
+ }
+
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s continued process %" PRIu64, __FUNCTION__, m_debugged_process_sp->GetID ());
+
+ // No response required from continue.
+ return PacketResult::Success;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_vCont_actions (StringExtractorGDBRemote &packet)
+{
+ StreamString response;
+ response.Printf("vCont;c;C;s;S");
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_vCont (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s handling vCont packet", __FUNCTION__);
+
+ packet.SetFilePos (::strlen ("vCont"));
+
+ if (packet.GetBytesLeft() == 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s missing action from vCont package", __FUNCTION__);
+ return SendIllFormedResponse (packet, "Missing action from vCont package");
+ }
+
+ // Check if this is all continue (no options or ";c").
+ if (::strcmp (packet.Peek (), ";c") == 0)
+ {
+ // Move past the ';', then do a simple 'c'.
+ packet.SetFilePos (packet.GetFilePos () + 1);
+ return Handle_c (packet);
+ }
+ else if (::strcmp (packet.Peek (), ";s") == 0)
+ {
+ // Move past the ';', then do a simple 's'.
+ packet.SetFilePos (packet.GetFilePos () + 1);
+ return Handle_s (packet);
+ }
+
+ // Ensure we have a native process.
+ if (!m_debugged_process_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s no debugged process shared pointer", __FUNCTION__);
+ return SendErrorResponse (0x36);
+ }
+
+ ResumeActionList thread_actions;
+
+ while (packet.GetBytesLeft () && *packet.Peek () == ';')
+ {
+ // Skip the semi-colon.
+ packet.GetChar ();
+
+ // Build up the thread action.
+ ResumeAction thread_action;
+ thread_action.tid = LLDB_INVALID_THREAD_ID;
+ thread_action.state = eStateInvalid;
+ thread_action.signal = 0;
+
+ const char action = packet.GetChar ();
+ switch (action)
+ {
+ case 'C':
+ thread_action.signal = packet.GetHexMaxU32 (false, 0);
+ if (thread_action.signal == 0)
+ return SendIllFormedResponse (packet, "Could not parse signal in vCont packet C action");
+ // Fall through to next case...
+
+ case 'c':
+ // Continue
+ thread_action.state = eStateRunning;
+ break;
+
+ case 'S':
+ thread_action.signal = packet.GetHexMaxU32 (false, 0);
+ if (thread_action.signal == 0)
+ return SendIllFormedResponse (packet, "Could not parse signal in vCont packet S action");
+ // Fall through to next case...
+
+ case 's':
+ // Step
+ thread_action.state = eStateStepping;
+ break;
+
+ default:
+ return SendIllFormedResponse (packet, "Unsupported vCont action");
+ break;
+ }
+
+ // Parse out optional :{thread-id} value.
+ if (packet.GetBytesLeft () && (*packet.Peek () == ':'))
+ {
+ // Consume the separator.
+ packet.GetChar ();
+
+ thread_action.tid = packet.GetHexMaxU32 (false, LLDB_INVALID_THREAD_ID);
+ if (thread_action.tid == LLDB_INVALID_THREAD_ID)
+ return SendIllFormedResponse (packet, "Could not parse thread number in vCont packet");
+ }
+
+ thread_actions.Append (thread_action);
+ }
+
+ Error error = m_debugged_process_sp->Resume (thread_actions);
+ if (error.Fail ())
+ {
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s vCont failed for process %" PRIu64 ": %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ }
+ return SendErrorResponse (GDBRemoteServerError::eErrorResume);
+ }
+
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s continued process %" PRIu64, __FUNCTION__, m_debugged_process_sp->GetID ());
+
+ // No response required from vCont.
+ return PacketResult::Success;
+}
+
+void
+GDBRemoteCommunicationServerLLGS::SetCurrentThreadID (lldb::tid_t tid)
+{
+ Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_THREAD));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s setting current thread id to %" PRIu64, __FUNCTION__, tid);
+
+ m_current_tid = tid;
+ if (m_debugged_process_sp)
+ m_debugged_process_sp->SetCurrentThreadID (m_current_tid);
+}
+
+void
+GDBRemoteCommunicationServerLLGS::SetContinueThreadID (lldb::tid_t tid)
+{
+ Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_THREAD));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s setting continue thread id to %" PRIu64, __FUNCTION__, tid);
+
+ m_continue_tid = tid;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_stop_reason (StringExtractorGDBRemote &packet)
+{
+ // Handle the $? gdbremote command.
+
+ // If no process, indicate error
+ if (!m_debugged_process_sp)
+ return SendErrorResponse (02);
+
+ return SendStopReasonForState (m_debugged_process_sp->GetState (), true);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::SendStopReasonForState (lldb::StateType process_state, bool flush_on_exit)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ switch (process_state)
+ {
+ case eStateAttaching:
+ case eStateLaunching:
+ case eStateRunning:
+ case eStateStepping:
+ case eStateDetached:
+ // NOTE: gdb protocol doc looks like it should return $OK
+ // when everything is running (i.e. no stopped result).
+ return PacketResult::Success; // Ignore
+
+ case eStateSuspended:
+ case eStateStopped:
+ case eStateCrashed:
+ {
+ lldb::tid_t tid = m_debugged_process_sp->GetCurrentThreadID ();
+ // Make sure we set the current thread so g and p packets return
+ // the data the gdb will expect.
+ SetCurrentThreadID (tid);
+ return SendStopReplyPacketForThread (tid);
+ }
+
+ case eStateInvalid:
+ case eStateUnloaded:
+ case eStateExited:
+ if (flush_on_exit)
+ FlushInferiorOutput ();
+ return SendWResponse(m_debugged_process_sp.get());
+
+ default:
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 ", current state reporting not handled: %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ StateAsCString (process_state));
+ }
+ break;
+ }
+
+ return SendErrorResponse (0);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qRegisterInfo (StringExtractorGDBRemote &packet)
+{
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ return SendErrorResponse (68);
+
+ // Ensure we have a thread.
+ NativeThreadProtocolSP thread_sp (m_debugged_process_sp->GetThreadAtIndex (0));
+ if (!thread_sp)
+ return SendErrorResponse (69);
+
+ // Get the register context for the first thread.
+ NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
+ if (!reg_context_sp)
+ return SendErrorResponse (69);
+
+ // Parse out the register number from the request.
+ packet.SetFilePos (strlen("qRegisterInfo"));
+ const uint32_t reg_index = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
+ if (reg_index == std::numeric_limits<uint32_t>::max ())
+ return SendErrorResponse (69);
+
+ // Return the end of registers response if we've iterated one past the end of the register set.
+ if (reg_index >= reg_context_sp->GetUserRegisterCount ())
+ return SendErrorResponse (69);
+
+ const RegisterInfo *reg_info = reg_context_sp->GetRegisterInfoAtIndex(reg_index);
+ if (!reg_info)
+ return SendErrorResponse (69);
+
+ // Build the reginfos response.
+ StreamGDBRemote response;
+
+ response.PutCString ("name:");
+ response.PutCString (reg_info->name);
+ response.PutChar (';');
+
+ if (reg_info->alt_name && reg_info->alt_name[0])
+ {
+ response.PutCString ("alt-name:");
+ response.PutCString (reg_info->alt_name);
+ response.PutChar (';');
+ }
+
+ response.Printf ("bitsize:%" PRIu32 ";offset:%" PRIu32 ";", reg_info->byte_size * 8, reg_info->byte_offset);
+
+ switch (reg_info->encoding)
+ {
+ case eEncodingUint: response.PutCString ("encoding:uint;"); break;
+ case eEncodingSint: response.PutCString ("encoding:sint;"); break;
+ case eEncodingIEEE754: response.PutCString ("encoding:ieee754;"); break;
+ case eEncodingVector: response.PutCString ("encoding:vector;"); break;
+ default: break;
+ }
+
+ switch (reg_info->format)
+ {
+ case eFormatBinary: response.PutCString ("format:binary;"); break;
+ case eFormatDecimal: response.PutCString ("format:decimal;"); break;
+ case eFormatHex: response.PutCString ("format:hex;"); break;
+ case eFormatFloat: response.PutCString ("format:float;"); break;
+ case eFormatVectorOfSInt8: response.PutCString ("format:vector-sint8;"); break;
+ case eFormatVectorOfUInt8: response.PutCString ("format:vector-uint8;"); break;
+ case eFormatVectorOfSInt16: response.PutCString ("format:vector-sint16;"); break;
+ case eFormatVectorOfUInt16: response.PutCString ("format:vector-uint16;"); break;
+ case eFormatVectorOfSInt32: response.PutCString ("format:vector-sint32;"); break;
+ case eFormatVectorOfUInt32: response.PutCString ("format:vector-uint32;"); break;
+ case eFormatVectorOfFloat32: response.PutCString ("format:vector-float32;"); break;
+ case eFormatVectorOfUInt128: response.PutCString ("format:vector-uint128;"); break;
+ default: break;
+ };
+
+ const char *const register_set_name = reg_context_sp->GetRegisterSetNameForRegisterAtIndex(reg_index);
+ if (register_set_name)
+ {
+ response.PutCString ("set:");
+ response.PutCString (register_set_name);
+ response.PutChar (';');
+ }
+
+ if (reg_info->kinds[RegisterKind::eRegisterKindGCC] != LLDB_INVALID_REGNUM)
+ response.Printf ("gcc:%" PRIu32 ";", reg_info->kinds[RegisterKind::eRegisterKindGCC]);
+
+ if (reg_info->kinds[RegisterKind::eRegisterKindDWARF] != LLDB_INVALID_REGNUM)
+ response.Printf ("dwarf:%" PRIu32 ";", reg_info->kinds[RegisterKind::eRegisterKindDWARF]);
+
+ switch (reg_info->kinds[RegisterKind::eRegisterKindGeneric])
+ {
+ case LLDB_REGNUM_GENERIC_PC: response.PutCString("generic:pc;"); break;
+ case LLDB_REGNUM_GENERIC_SP: response.PutCString("generic:sp;"); break;
+ case LLDB_REGNUM_GENERIC_FP: response.PutCString("generic:fp;"); break;
+ case LLDB_REGNUM_GENERIC_RA: response.PutCString("generic:ra;"); break;
+ case LLDB_REGNUM_GENERIC_FLAGS: response.PutCString("generic:flags;"); break;
+ case LLDB_REGNUM_GENERIC_ARG1: response.PutCString("generic:arg1;"); break;
+ case LLDB_REGNUM_GENERIC_ARG2: response.PutCString("generic:arg2;"); break;
+ case LLDB_REGNUM_GENERIC_ARG3: response.PutCString("generic:arg3;"); break;
+ case LLDB_REGNUM_GENERIC_ARG4: response.PutCString("generic:arg4;"); break;
+ case LLDB_REGNUM_GENERIC_ARG5: response.PutCString("generic:arg5;"); break;
+ case LLDB_REGNUM_GENERIC_ARG6: response.PutCString("generic:arg6;"); break;
+ case LLDB_REGNUM_GENERIC_ARG7: response.PutCString("generic:arg7;"); break;
+ case LLDB_REGNUM_GENERIC_ARG8: response.PutCString("generic:arg8;"); break;
+ default: break;
+ }
+
+ if (reg_info->value_regs && reg_info->value_regs[0] != LLDB_INVALID_REGNUM)
+ {
+ response.PutCString ("container-regs:");
+ int i = 0;
+ for (const uint32_t *reg_num = reg_info->value_regs; *reg_num != LLDB_INVALID_REGNUM; ++reg_num, ++i)
+ {
+ if (i > 0)
+ response.PutChar (',');
+ response.Printf ("%" PRIx32, *reg_num);
+ }
+ response.PutChar (';');
+ }
+
+ if (reg_info->invalidate_regs && reg_info->invalidate_regs[0])
+ {
+ response.PutCString ("invalidate-regs:");
+ int i = 0;
+ for (const uint32_t *reg_num = reg_info->invalidate_regs; *reg_num != LLDB_INVALID_REGNUM; ++reg_num, ++i)
+ {
+ if (i > 0)
+ response.PutChar (',');
+ response.Printf ("%" PRIx32, *reg_num);
+ }
+ response.PutChar (';');
+ }
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qfThreadInfo (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s() no process (%s), returning OK", __FUNCTION__, m_debugged_process_sp ? "invalid process id" : "null m_debugged_process_sp");
+ return SendOKResponse ();
+ }
+
+ StreamGDBRemote response;
+ response.PutChar ('m');
+
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s() starting thread iteration", __FUNCTION__);
+
+ NativeThreadProtocolSP thread_sp;
+ uint32_t thread_index;
+ for (thread_index = 0, thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index);
+ thread_sp;
+ ++thread_index, thread_sp = m_debugged_process_sp->GetThreadAtIndex (thread_index))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s() iterated thread %" PRIu32 "(%s, tid=0x%" PRIx64 ")", __FUNCTION__, thread_index, thread_sp ? "is not null" : "null", thread_sp ? thread_sp->GetID () : LLDB_INVALID_THREAD_ID);
+ if (thread_index > 0)
+ response.PutChar(',');
+ response.Printf ("%" PRIx64, thread_sp->GetID ());
+ }
+
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s() finished thread iteration", __FUNCTION__);
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qsThreadInfo (StringExtractorGDBRemote &packet)
+{
+ // FIXME for now we return the full thread list in the initial packet and always do nothing here.
+ return SendPacketNoLock ("l", 1);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_p (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Parse out the register number from the request.
+ packet.SetFilePos (strlen("p"));
+ const uint32_t reg_index = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
+ if (reg_index == std::numeric_limits<uint32_t>::max ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, could not parse register number from request \"%s\"", __FUNCTION__, packet.GetStringRef ().c_str ());
+ return SendErrorResponse (0x15);
+ }
+
+ // Get the thread to use.
+ NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
+ if (!thread_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no thread available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Get the thread's register context.
+ NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
+ if (!reg_context_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
+ return SendErrorResponse (0x15);
+ }
+
+ // Return the end of registers response if we've iterated one past the end of the register set.
+ if (reg_index >= reg_context_sp->GetUserRegisterCount ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, requested register %" PRIu32 " beyond register count %" PRIu32, __FUNCTION__, reg_index, reg_context_sp->GetUserRegisterCount ());
+ return SendErrorResponse (0x15);
+ }
+
+ const RegisterInfo *reg_info = reg_context_sp->GetRegisterInfoAtIndex(reg_index);
+ if (!reg_info)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, requested register %" PRIu32 " returned NULL", __FUNCTION__, reg_index);
+ return SendErrorResponse (0x15);
+ }
+
+ // Build the reginfos response.
+ StreamGDBRemote response;
+
+ // Retrieve the value
+ RegisterValue reg_value;
+ Error error = reg_context_sp->ReadRegister (reg_info, reg_value);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, read of requested register %" PRIu32 " (%s) failed: %s", __FUNCTION__, reg_index, reg_info->name, error.AsCString ());
+ return SendErrorResponse (0x15);
+ }
+
+ const uint8_t *const data = reinterpret_cast<const uint8_t*> (reg_value.GetBytes ());
+ if (!data)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to get data bytes from requested register %" PRIu32, __FUNCTION__, reg_index);
+ return SendErrorResponse (0x15);
+ }
+
+ // FIXME flip as needed to get data in big/little endian format for this host.
+ for (uint32_t i = 0; i < reg_value.GetByteSize (); ++i)
+ response.PutHex8 (data[i]);
+
+ return SendPacketNoLock (response.GetData (), response.GetSize ());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_P (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Ensure there is more content.
+ if (packet.GetBytesLeft () < 1)
+ return SendIllFormedResponse (packet, "Empty P packet");
+
+ // Parse out the register number from the request.
+ packet.SetFilePos (strlen("P"));
+ const uint32_t reg_index = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
+ if (reg_index == std::numeric_limits<uint32_t>::max ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, could not parse register number from request \"%s\"", __FUNCTION__, packet.GetStringRef ().c_str ());
+ return SendErrorResponse (0x29);
+ }
+
+ // Note debugserver would send an E30 here.
+ if ((packet.GetBytesLeft () < 1) || (packet.GetChar () != '='))
+ return SendIllFormedResponse (packet, "P packet missing '=' char after register number");
+
+ // Get process architecture.
+ ArchSpec process_arch;
+ if (!m_debugged_process_sp || !m_debugged_process_sp->GetArchitecture (process_arch))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to retrieve inferior architecture", __FUNCTION__);
+ return SendErrorResponse (0x49);
+ }
+
+ // Parse out the value.
+ uint8_t reg_bytes[32]; // big enough to support up to 256 bit ymmN register
+ size_t reg_size = packet.GetHexBytesAvail (reg_bytes, sizeof(reg_bytes));
+
+ // Get the thread to use.
+ NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
+ if (!thread_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no thread available (thread index 0)", __FUNCTION__);
+ return SendErrorResponse (0x28);
+ }
+
+ // Get the thread's register context.
+ NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
+ if (!reg_context_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
+ return SendErrorResponse (0x15);
+ }
+
+ const RegisterInfo *reg_info = reg_context_sp->GetRegisterInfoAtIndex (reg_index);
+ if (!reg_info)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, requested register %" PRIu32 " returned NULL", __FUNCTION__, reg_index);
+ return SendErrorResponse (0x48);
+ }
+
+ // Return the end of registers response if we've iterated one past the end of the register set.
+ if (reg_index >= reg_context_sp->GetUserRegisterCount ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, requested register %" PRIu32 " beyond register count %" PRIu32, __FUNCTION__, reg_index, reg_context_sp->GetUserRegisterCount ());
+ return SendErrorResponse (0x47);
+ }
+
+ if (reg_size != reg_info->byte_size)
+ {
+ return SendIllFormedResponse (packet, "P packet register size is incorrect");
+ }
+
+ // Build the reginfos response.
+ StreamGDBRemote response;
+
+ RegisterValue reg_value (reg_bytes, reg_size, process_arch.GetByteOrder ());
+ Error error = reg_context_sp->WriteRegister (reg_info, reg_value);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, write of requested register %" PRIu32 " (%s) failed: %s", __FUNCTION__, reg_index, reg_info->name, error.AsCString ());
+ return SendErrorResponse (0x32);
+ }
+
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_H (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Parse out which variant of $H is requested.
+ packet.SetFilePos (strlen("H"));
+ if (packet.GetBytesLeft () < 1)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, H command missing {g,c} variant", __FUNCTION__);
+ return SendIllFormedResponse (packet, "H command missing {g,c} variant");
+ }
+
+ const char h_variant = packet.GetChar ();
+ switch (h_variant)
+ {
+ case 'g':
+ break;
+
+ case 'c':
+ break;
+
+ default:
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, invalid $H variant %c", __FUNCTION__, h_variant);
+ return SendIllFormedResponse (packet, "H variant unsupported, should be c or g");
+ }
+
+ // Parse out the thread number.
+ // FIXME return a parse success/fail value. All values are valid here.
+ const lldb::tid_t tid = packet.GetHexMaxU64 (false, std::numeric_limits<lldb::tid_t>::max ());
+
+ // Ensure we have the given thread when not specifying -1 (all threads) or 0 (any thread).
+ if (tid != LLDB_INVALID_THREAD_ID && tid != 0)
+ {
+ NativeThreadProtocolSP thread_sp (m_debugged_process_sp->GetThreadByID (tid));
+ if (!thread_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, tid %" PRIu64 " not found", __FUNCTION__, tid);
+ return SendErrorResponse (0x15);
+ }
+ }
+
+ // Now switch the given thread type.
+ switch (h_variant)
+ {
+ case 'g':
+ SetCurrentThreadID (tid);
+ break;
+
+ case 'c':
+ SetContinueThreadID (tid);
+ break;
+
+ default:
+ assert (false && "unsupported $H variant - shouldn't get here");
+ return SendIllFormedResponse (packet, "H variant unsupported, should be c or g");
+ }
+
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_I (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ packet.SetFilePos (::strlen("I"));
+ char tmp[4096];
+ for (;;)
+ {
+ size_t read = packet.GetHexBytesAvail(tmp, sizeof(tmp));
+ if (read == 0)
+ {
+ break;
+ }
+ // write directly to stdin *this might block if stdin buffer is full*
+ // TODO: enqueue this block in circular buffer and send window size to remote host
+ ConnectionStatus status;
+ Error error;
+ m_stdio_communication.Write(tmp, read, status, &error);
+ if (error.Fail())
+ {
+ return SendErrorResponse (0x15);
+ }
+ }
+
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_interrupt (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD));
+
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Interrupt the process.
+ Error error = m_debugged_process_sp->Interrupt ();
+ if (error.Fail ())
+ {
+ if (log)
+ {
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed for process %" PRIu64 ": %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ }
+ return SendErrorResponse (GDBRemoteServerError::eErrorResume);
+ }
+
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s stopped process %" PRIu64, __FUNCTION__, m_debugged_process_sp->GetID ());
+
+ // No response required from stop all.
+ return PacketResult::Success;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_m (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Parse out the memory address.
+ packet.SetFilePos (strlen("m"));
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short m packet");
+
+ // Read the address. Punting on validation.
+ // FIXME replace with Hex U64 read with no default value that fails on failed read.
+ const lldb::addr_t read_addr = packet.GetHexMaxU64(false, 0);
+
+ // Validate comma.
+ if ((packet.GetBytesLeft() < 1) || (packet.GetChar() != ','))
+ return SendIllFormedResponse(packet, "Comma sep missing in m packet");
+
+ // Get # bytes to read.
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Length missing in m packet");
+
+ const uint64_t byte_count = packet.GetHexMaxU64(false, 0);
+ if (byte_count == 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s nothing to read: zero-length packet", __FUNCTION__);
+ return PacketResult::Success;
+ }
+
+ // Allocate the response buffer.
+ std::string buf(byte_count, '\0');
+ if (buf.empty())
+ return SendErrorResponse (0x78);
+
+
+ // Retrieve the process memory.
+ lldb::addr_t bytes_read = 0;
+ lldb_private::Error error = m_debugged_process_sp->ReadMemory (read_addr, &buf[0], byte_count, bytes_read);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " mem 0x%" PRIx64 ": failed to read. Error: %s", __FUNCTION__, m_debugged_process_sp->GetID (), read_addr, error.AsCString ());
+ return SendErrorResponse (0x08);
+ }
+
+ if (bytes_read == 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " mem 0x%" PRIx64 ": read %" PRIu64 " of %" PRIu64 " requested bytes", __FUNCTION__, m_debugged_process_sp->GetID (), read_addr, bytes_read, byte_count);
+ return SendErrorResponse (0x08);
+ }
+
+ StreamGDBRemote response;
+ for (lldb::addr_t i = 0; i < bytes_read; ++i)
+ response.PutHex8(buf[i]);
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_M (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Parse out the memory address.
+ packet.SetFilePos (strlen("M"));
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short M packet");
+
+ // Read the address. Punting on validation.
+ // FIXME replace with Hex U64 read with no default value that fails on failed read.
+ const lldb::addr_t write_addr = packet.GetHexMaxU64(false, 0);
+
+ // Validate comma.
+ if ((packet.GetBytesLeft() < 1) || (packet.GetChar() != ','))
+ return SendIllFormedResponse(packet, "Comma sep missing in M packet");
+
+ // Get # bytes to read.
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Length missing in M packet");
+
+ const uint64_t byte_count = packet.GetHexMaxU64(false, 0);
+ if (byte_count == 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s nothing to write: zero-length packet", __FUNCTION__);
+ return PacketResult::Success;
+ }
+
+ // Validate colon.
+ if ((packet.GetBytesLeft() < 1) || (packet.GetChar() != ':'))
+ return SendIllFormedResponse(packet, "Comma sep missing in M packet after byte length");
+
+ // Allocate the conversion buffer.
+ std::vector<uint8_t> buf(byte_count, 0);
+ if (buf.empty())
+ return SendErrorResponse (0x78);
+
+ // Convert the hex memory write contents to bytes.
+ StreamGDBRemote response;
+ const uint64_t convert_count = static_cast<uint64_t> (packet.GetHexBytes (&buf[0], byte_count, 0));
+ if (convert_count != byte_count)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " mem 0x%" PRIx64 ": asked to write %" PRIu64 " bytes, but only found %" PRIu64 " to convert.", __FUNCTION__, m_debugged_process_sp->GetID (), write_addr, byte_count, convert_count);
+ return SendIllFormedResponse (packet, "M content byte length specified did not match hex-encoded content length");
+ }
+
+ // Write the process memory.
+ lldb::addr_t bytes_written = 0;
+ lldb_private::Error error = m_debugged_process_sp->WriteMemory (write_addr, &buf[0], byte_count, bytes_written);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " mem 0x%" PRIx64 ": failed to write. Error: %s", __FUNCTION__, m_debugged_process_sp->GetID (), write_addr, error.AsCString ());
+ return SendErrorResponse (0x09);
+ }
+
+ if (bytes_written == 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " mem 0x%" PRIx64 ": wrote %" PRIu64 " of %" PRIu64 " requested bytes", __FUNCTION__, m_debugged_process_sp->GetID (), write_addr, bytes_written, byte_count);
+ return SendErrorResponse (0x09);
+ }
+
+ return SendOKResponse ();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qMemoryRegionInfoSupported (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // Currently only the NativeProcessProtocol knows if it can handle a qMemoryRegionInfoSupported
+ // request, but we're not guaranteed to be attached to a process. For now we'll assume the
+ // client only asks this when a process is being debugged.
+
+ // Ensure we have a process running; otherwise, we can't figure this out
+ // since we won't have a NativeProcessProtocol.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Test if we can get any region back when asking for the region around NULL.
+ MemoryRegionInfo region_info;
+ const Error error = m_debugged_process_sp->GetMemoryRegionInfo (0, region_info);
+ if (error.Fail ())
+ {
+ // We don't support memory region info collection for this NativeProcessProtocol.
+ return SendUnimplementedResponse ("");
+ }
+
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qMemoryRegionInfo (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // Ensure we have a process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Parse out the memory address.
+ packet.SetFilePos (strlen("qMemoryRegionInfo:"));
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short qMemoryRegionInfo: packet");
+
+ // Read the address. Punting on validation.
+ const lldb::addr_t read_addr = packet.GetHexMaxU64(false, 0);
+
+ StreamGDBRemote response;
+
+ // Get the memory region info for the target address.
+ MemoryRegionInfo region_info;
+ const Error error = m_debugged_process_sp->GetMemoryRegionInfo (read_addr, region_info);
+ if (error.Fail ())
+ {
+ // Return the error message.
+
+ response.PutCString ("error:");
+ response.PutCStringAsRawHex8 (error.AsCString ());
+ response.PutChar (';');
+ }
+ else
+ {
+ // Range start and size.
+ response.Printf ("start:%" PRIx64 ";size:%" PRIx64 ";", region_info.GetRange ().GetRangeBase (), region_info.GetRange ().GetByteSize ());
+
+ // Permissions.
+ if (region_info.GetReadable () ||
+ region_info.GetWritable () ||
+ region_info.GetExecutable ())
+ {
+ // Write permissions info.
+ response.PutCString ("permissions:");
+
+ if (region_info.GetReadable ())
+ response.PutChar ('r');
+ if (region_info.GetWritable ())
+ response.PutChar('w');
+ if (region_info.GetExecutable())
+ response.PutChar ('x');
+
+ response.PutChar (';');
+ }
+ }
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_Z (StringExtractorGDBRemote &packet)
+{
+ // Ensure we have a process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Parse out software or hardware breakpoint or watchpoint requested.
+ packet.SetFilePos (strlen("Z"));
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short Z packet, missing software/hardware specifier");
+
+ bool want_breakpoint = true;
+ bool want_hardware = false;
+
+ const GDBStoppointType stoppoint_type =
+ GDBStoppointType(packet.GetS32 (eStoppointInvalid));
+ switch (stoppoint_type)
+ {
+ case eBreakpointSoftware:
+ want_hardware = false; want_breakpoint = true; break;
+ case eBreakpointHardware:
+ want_hardware = true; want_breakpoint = true; break;
+ case eWatchpointWrite:
+ want_hardware = true; want_breakpoint = false; break;
+ case eWatchpointRead:
+ want_hardware = true; want_breakpoint = false; break;
+ case eWatchpointReadWrite:
+ want_hardware = true; want_breakpoint = false; break;
+ case eStoppointInvalid:
+ return SendIllFormedResponse(packet, "Z packet had invalid software/hardware specifier");
+
+ }
+
+ if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
+ return SendIllFormedResponse(packet, "Malformed Z packet, expecting comma after stoppoint type");
+
+ // Parse out the stoppoint address.
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short Z packet, missing address");
+ const lldb::addr_t addr = packet.GetHexMaxU64(false, 0);
+
+ if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
+ return SendIllFormedResponse(packet, "Malformed Z packet, expecting comma after address");
+
+ // Parse out the stoppoint size (i.e. size hint for opcode size).
+ const uint32_t size = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
+ if (size == std::numeric_limits<uint32_t>::max ())
+ return SendIllFormedResponse(packet, "Malformed Z packet, failed to parse size argument");
+
+ if (want_breakpoint)
+ {
+ // Try to set the breakpoint.
+ const Error error = m_debugged_process_sp->SetBreakpoint (addr, size, want_hardware);
+ if (error.Success ())
+ return SendOKResponse ();
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64
+ " failed to set breakpoint: %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ return SendErrorResponse (0x09);
+ }
+ else
+ {
+ uint32_t watch_flags =
+ stoppoint_type == eWatchpointWrite
+ ? watch_flags = 0x1 // Write
+ : watch_flags = 0x3; // ReadWrite
+
+ // Try to set the watchpoint.
+ const Error error = m_debugged_process_sp->SetWatchpoint (
+ addr, size, watch_flags, want_hardware);
+ if (error.Success ())
+ return SendOKResponse ();
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64
+ " failed to set watchpoint: %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ return SendErrorResponse (0x09);
+ }
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_z (StringExtractorGDBRemote &packet)
+{
+ // Ensure we have a process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ // Parse out software or hardware breakpoint or watchpoint requested.
+ packet.SetFilePos (strlen("z"));
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short z packet, missing software/hardware specifier");
+
+ bool want_breakpoint = true;
+
+ const GDBStoppointType stoppoint_type =
+ GDBStoppointType(packet.GetS32 (eStoppointInvalid));
+ switch (stoppoint_type)
+ {
+ case eBreakpointHardware: want_breakpoint = true; break;
+ case eBreakpointSoftware: want_breakpoint = true; break;
+ case eWatchpointWrite: want_breakpoint = false; break;
+ case eWatchpointRead: want_breakpoint = false; break;
+ case eWatchpointReadWrite: want_breakpoint = false; break;
+ default:
+ return SendIllFormedResponse(packet, "z packet had invalid software/hardware specifier");
+
+ }
+
+ if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
+ return SendIllFormedResponse(packet, "Malformed z packet, expecting comma after stoppoint type");
+
+ // Parse out the stoppoint address.
+ if (packet.GetBytesLeft() < 1)
+ return SendIllFormedResponse(packet, "Too short z packet, missing address");
+ const lldb::addr_t addr = packet.GetHexMaxU64(false, 0);
+
+ if ((packet.GetBytesLeft() < 1) || packet.GetChar () != ',')
+ return SendIllFormedResponse(packet, "Malformed z packet, expecting comma after address");
+
+ /*
+ // Parse out the stoppoint size (i.e. size hint for opcode size).
+ const uint32_t size = packet.GetHexMaxU32 (false, std::numeric_limits<uint32_t>::max ());
+ if (size == std::numeric_limits<uint32_t>::max ())
+ return SendIllFormedResponse(packet, "Malformed z packet, failed to parse size argument");
+ */
+
+ if (want_breakpoint)
+ {
+ // Try to clear the breakpoint.
+ const Error error = m_debugged_process_sp->RemoveBreakpoint (addr);
+ if (error.Success ())
+ return SendOKResponse ();
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64
+ " failed to remove breakpoint: %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ return SendErrorResponse (0x09);
+ }
+ else
+ {
+ // Try to clear the watchpoint.
+ const Error error = m_debugged_process_sp->RemoveWatchpoint (addr);
+ if (error.Success ())
+ return SendOKResponse ();
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64
+ " failed to remove watchpoint: %s",
+ __FUNCTION__,
+ m_debugged_process_sp->GetID (),
+ error.AsCString ());
+ return SendErrorResponse (0x09);
+ }
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_s (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|LIBLLDB_LOG_THREAD));
+
+ // Ensure we have a process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x32);
+ }
+
+ // We first try to use a continue thread id. If any one or any all set, use the current thread.
+ // Bail out if we don't have a thread id.
+ lldb::tid_t tid = GetContinueThreadID ();
+ if (tid == 0 || tid == LLDB_INVALID_THREAD_ID)
+ tid = GetCurrentThreadID ();
+ if (tid == LLDB_INVALID_THREAD_ID)
+ return SendErrorResponse (0x33);
+
+ // Double check that we have such a thread.
+ // TODO investigate: on MacOSX we might need to do an UpdateThreads () here.
+ NativeThreadProtocolSP thread_sp = m_debugged_process_sp->GetThreadByID (tid);
+ if (!thread_sp || thread_sp->GetID () != tid)
+ return SendErrorResponse (0x33);
+
+ // Create the step action for the given thread.
+ lldb_private::ResumeAction action = { tid, eStateStepping, 0 };
+
+ // Setup the actions list.
+ lldb_private::ResumeActionList actions;
+ actions.Append (action);
+
+ // All other threads stop while we're single stepping a thread.
+ actions.SetDefaultThreadActionIfNeeded(eStateStopped, 0);
+ Error error = m_debugged_process_sp->Resume (actions);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " tid %" PRIu64 " Resume() failed with error: %s", __FUNCTION__, m_debugged_process_sp->GetID (), tid, error.AsCString ());
+ return SendErrorResponse(0x49);
+ }
+
+ // No response here - the stop or exit will come from the resulting action.
+ return PacketResult::Success;
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qXfer_auxv_read (StringExtractorGDBRemote &packet)
+{
+ // *BSD impls should be able to do this too.
+#if defined(__linux__)
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // Parse out the offset.
+ packet.SetFilePos (strlen("qXfer:auxv:read::"));
+ if (packet.GetBytesLeft () < 1)
+ return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing offset");
+
+ const uint64_t auxv_offset = packet.GetHexMaxU64 (false, std::numeric_limits<uint64_t>::max ());
+ if (auxv_offset == std::numeric_limits<uint64_t>::max ())
+ return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing offset");
+
+ // Parse out comma.
+ if (packet.GetBytesLeft () < 1 || packet.GetChar () != ',')
+ return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing comma after offset");
+
+ // Parse out the length.
+ const uint64_t auxv_length = packet.GetHexMaxU64 (false, std::numeric_limits<uint64_t>::max ());
+ if (auxv_length == std::numeric_limits<uint64_t>::max ())
+ return SendIllFormedResponse (packet, "qXfer:auxv:read:: packet missing length");
+
+ // Grab the auxv data if we need it.
+ if (!m_active_auxv_buffer_sp)
+ {
+ // Make sure we have a valid process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x10);
+ }
+
+ // Grab the auxv data.
+ m_active_auxv_buffer_sp = Host::GetAuxvData (m_debugged_process_sp->GetID ());
+ if (!m_active_auxv_buffer_sp || m_active_auxv_buffer_sp->GetByteSize () == 0)
+ {
+ // Hmm, no auxv data, call that an error.
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no auxv data retrieved", __FUNCTION__);
+ m_active_auxv_buffer_sp.reset ();
+ return SendErrorResponse (0x11);
+ }
+ }
+
+ // FIXME find out if/how I lock the stream here.
+
+ StreamGDBRemote response;
+ bool done_with_buffer = false;
+
+ if (auxv_offset >= m_active_auxv_buffer_sp->GetByteSize ())
+ {
+ // We have nothing left to send. Mark the buffer as complete.
+ response.PutChar ('l');
+ done_with_buffer = true;
+ }
+ else
+ {
+ // Figure out how many bytes are available starting at the given offset.
+ const uint64_t bytes_remaining = m_active_auxv_buffer_sp->GetByteSize () - auxv_offset;
+
+ // Figure out how many bytes we're going to read.
+ const uint64_t bytes_to_read = (auxv_length > bytes_remaining) ? bytes_remaining : auxv_length;
+
+ // Mark the response type according to whether we're reading the remainder of the auxv data.
+ if (bytes_to_read >= bytes_remaining)
+ {
+ // There will be nothing left to read after this
+ response.PutChar ('l');
+ done_with_buffer = true;
+ }
+ else
+ {
+ // There will still be bytes to read after this request.
+ response.PutChar ('m');
+ }
+
+ // Now write the data in encoded binary form.
+ response.PutEscapedBytes (m_active_auxv_buffer_sp->GetBytes () + auxv_offset, bytes_to_read);
+ }
+
+ if (done_with_buffer)
+ m_active_auxv_buffer_sp.reset ();
+
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+#else
+ return SendUnimplementedResponse ("not implemented on this platform");
+#endif
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_QSaveRegisterState (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Move past packet name.
+ packet.SetFilePos (strlen ("QSaveRegisterState"));
+
+ // Get the thread to use.
+ NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
+ if (!thread_sp)
+ {
+ if (m_thread_suffix_supported)
+ return SendIllFormedResponse (packet, "No thread specified in QSaveRegisterState packet");
+ else
+ return SendIllFormedResponse (packet, "No thread was is set with the Hg packet");
+ }
+
+ // Grab the register context for the thread.
+ NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
+ if (!reg_context_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
+ return SendErrorResponse (0x15);
+ }
+
+ // Save registers to a buffer.
+ DataBufferSP register_data_sp;
+ Error error = reg_context_sp->ReadAllRegisterValues (register_data_sp);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " failed to save all register values: %s", __FUNCTION__, m_debugged_process_sp->GetID (), error.AsCString ());
+ return SendErrorResponse (0x75);
+ }
+
+ // Allocate a new save id.
+ const uint32_t save_id = GetNextSavedRegistersID ();
+ assert ((m_saved_registers_map.find (save_id) == m_saved_registers_map.end ()) && "GetNextRegisterSaveID() returned an existing register save id");
+
+ // Save the register data buffer under the save id.
+ {
+ Mutex::Locker locker (m_saved_registers_mutex);
+ m_saved_registers_map[save_id] = register_data_sp;
+ }
+
+ // Write the response.
+ StreamGDBRemote response;
+ response.Printf ("%" PRIu32, save_id);
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_QRestoreRegisterState (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Parse out save id.
+ packet.SetFilePos (strlen ("QRestoreRegisterState:"));
+ if (packet.GetBytesLeft () < 1)
+ return SendIllFormedResponse (packet, "QRestoreRegisterState packet missing register save id");
+
+ const uint32_t save_id = packet.GetU32 (0);
+ if (save_id == 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s QRestoreRegisterState packet has malformed save id, expecting decimal uint32_t", __FUNCTION__);
+ return SendErrorResponse (0x76);
+ }
+
+ // Get the thread to use.
+ NativeThreadProtocolSP thread_sp = GetThreadFromSuffix (packet);
+ if (!thread_sp)
+ {
+ if (m_thread_suffix_supported)
+ return SendIllFormedResponse (packet, "No thread specified in QRestoreRegisterState packet");
+ else
+ return SendIllFormedResponse (packet, "No thread was is set with the Hg packet");
+ }
+
+ // Grab the register context for the thread.
+ NativeRegisterContextSP reg_context_sp (thread_sp->GetRegisterContext ());
+ if (!reg_context_sp)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " tid %" PRIu64 " failed, no register context available for the thread", __FUNCTION__, m_debugged_process_sp->GetID (), thread_sp->GetID ());
+ return SendErrorResponse (0x15);
+ }
+
+ // Retrieve register state buffer, then remove from the list.
+ DataBufferSP register_data_sp;
+ {
+ Mutex::Locker locker (m_saved_registers_mutex);
+
+ // Find the register set buffer for the given save id.
+ auto it = m_saved_registers_map.find (save_id);
+ if (it == m_saved_registers_map.end ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " does not have a register set save buffer for id %" PRIu32, __FUNCTION__, m_debugged_process_sp->GetID (), save_id);
+ return SendErrorResponse (0x77);
+ }
+ register_data_sp = it->second;
+
+ // Remove it from the map.
+ m_saved_registers_map.erase (it);
+ }
+
+ Error error = reg_context_sp->WriteAllRegisterValues (register_data_sp);
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 " failed to restore all register values: %s", __FUNCTION__, m_debugged_process_sp->GetID (), error.AsCString ());
+ return SendErrorResponse (0x77);
+ }
+
+ return SendOKResponse();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_vAttach (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // Consume the ';' after vAttach.
+ packet.SetFilePos (strlen ("vAttach"));
+ if (!packet.GetBytesLeft () || packet.GetChar () != ';')
+ return SendIllFormedResponse (packet, "vAttach missing expected ';'");
+
+ // Grab the PID to which we will attach (assume hex encoding).
+ lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID, 16);
+ if (pid == LLDB_INVALID_PROCESS_ID)
+ return SendIllFormedResponse (packet, "vAttach failed to parse the process id");
+
+ // Attempt to attach.
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s attempting to attach to pid %" PRIu64, __FUNCTION__, pid);
+
+ Error error = AttachToProcess (pid);
+
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to attach to pid %" PRIu64 ": %s\n", __FUNCTION__, pid, error.AsCString());
+ return SendErrorResponse (0x01);
+ }
+
+ // Notify we attached by sending a stop packet.
+ return SendStopReasonForState (m_debugged_process_sp->GetState (), true);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_D (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PROCESS));
+
+ // Scope for mutex locker.
+ Mutex::Locker locker (m_spawned_pids_mutex);
+
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp || (m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID))
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, no process available", __FUNCTION__);
+ return SendErrorResponse (0x15);
+ }
+
+ if (m_spawned_pids.find(m_debugged_process_sp->GetID ()) == m_spawned_pids.end())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to find PID %" PRIu64 " in spawned pids list",
+ __FUNCTION__, m_debugged_process_sp->GetID ());
+ return SendErrorResponse (0x1);
+ }
+
+ lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
+
+ // Consume the ';' after D.
+ packet.SetFilePos (1);
+ if (packet.GetBytesLeft ())
+ {
+ if (packet.GetChar () != ';')
+ return SendIllFormedResponse (packet, "D missing expected ';'");
+
+ // Grab the PID from which we will detach (assume hex encoding).
+ pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID, 16);
+ if (pid == LLDB_INVALID_PROCESS_ID)
+ return SendIllFormedResponse (packet, "D failed to parse the process id");
+ }
+
+ if (pid != LLDB_INVALID_PROCESS_ID &&
+ m_debugged_process_sp->GetID () != pid)
+ {
+ return SendIllFormedResponse (packet, "Invalid pid");
+ }
+
+ if (m_stdio_communication.IsConnected ())
+ {
+ m_stdio_communication.StopReadThread ();
+ }
+
+ const Error error = m_debugged_process_sp->Detach ();
+ if (error.Fail ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed to detach from pid %" PRIu64 ": %s\n",
+ __FUNCTION__, m_debugged_process_sp->GetID (), error.AsCString ());
+ return SendErrorResponse (0x01);
+ }
+
+ m_spawned_pids.erase (m_debugged_process_sp->GetID ());
+ return SendOKResponse ();
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qThreadStopInfo (StringExtractorGDBRemote &packet)
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ packet.SetFilePos (strlen("qThreadStopInfo"));
+ const lldb::tid_t tid = packet.GetHexMaxU32 (false, LLDB_INVALID_THREAD_ID);
+ if (tid == LLDB_INVALID_THREAD_ID)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s failed, could not parse thread id from request \"%s\"", __FUNCTION__, packet.GetStringRef ().c_str ());
+ return SendErrorResponse (0x15);
+ }
+ return SendStopReplyPacketForThread (tid);
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerLLGS::Handle_qWatchpointSupportInfo (StringExtractorGDBRemote &packet)
+{
+ // Fail if we don't have a current process.
+ if (!m_debugged_process_sp ||
+ m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID)
+ return SendErrorResponse (68);
+
+ packet.SetFilePos(strlen("qWatchpointSupportInfo"));
+ if (packet.GetBytesLeft() == 0)
+ return SendOKResponse();
+ if (packet.GetChar() != ':')
+ return SendErrorResponse(67);
+
+ uint32_t num = m_debugged_process_sp->GetMaxWatchpoints();
+ StreamGDBRemote response;
+ response.Printf ("num:%d;", num);
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+void
+GDBRemoteCommunicationServerLLGS::FlushInferiorOutput ()
+{
+ // If we're not monitoring an inferior's terminal, ignore this.
+ if (!m_stdio_communication.IsConnected())
+ return;
+
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s() called", __FUNCTION__);
+
+ // FIXME implement a timeout on the join.
+ m_stdio_communication.JoinReadThread();
+}
+
+void
+GDBRemoteCommunicationServerLLGS::MaybeCloseInferiorTerminalConnection ()
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // Tell the stdio connection to shut down.
+ if (m_stdio_communication.IsConnected())
+ {
+ auto connection = m_stdio_communication.GetConnection();
+ if (connection)
+ {
+ Error error;
+ connection->Disconnect (&error);
+
+ if (error.Success ())
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s disconnect process terminal stdio - SUCCESS", __FUNCTION__);
+ }
+ else
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s disconnect process terminal stdio - FAIL: %s", __FUNCTION__, error.AsCString ());
+ }
+ }
+ }
+}
+
+
+lldb_private::NativeThreadProtocolSP
+GDBRemoteCommunicationServerLLGS::GetThreadFromSuffix (StringExtractorGDBRemote &packet)
+{
+ NativeThreadProtocolSP thread_sp;
+
+ // We have no thread if we don't have a process.
+ if (!m_debugged_process_sp || m_debugged_process_sp->GetID () == LLDB_INVALID_PROCESS_ID)
+ return thread_sp;
+
+ // If the client hasn't asked for thread suffix support, there will not be a thread suffix.
+ // Use the current thread in that case.
+ if (!m_thread_suffix_supported)
+ {
+ const lldb::tid_t current_tid = GetCurrentThreadID ();
+ if (current_tid == LLDB_INVALID_THREAD_ID)
+ return thread_sp;
+ else if (current_tid == 0)
+ {
+ // Pick a thread.
+ return m_debugged_process_sp->GetThreadAtIndex (0);
+ }
+ else
+ return m_debugged_process_sp->GetThreadByID (current_tid);
+ }
+
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD));
+
+ // Parse out the ';'.
+ if (packet.GetBytesLeft () < 1 || packet.GetChar () != ';')
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s gdb-remote parse error: expected ';' prior to start of thread suffix: packet contents = '%s'", __FUNCTION__, packet.GetStringRef ().c_str ());
+ return thread_sp;
+ }
+
+ if (!packet.GetBytesLeft ())
+ return thread_sp;
+
+ // Parse out thread: portion.
+ if (strncmp (packet.Peek (), "thread:", strlen("thread:")) != 0)
+ {
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s gdb-remote parse error: expected 'thread:' but not found, packet contents = '%s'", __FUNCTION__, packet.GetStringRef ().c_str ());
+ return thread_sp;
+ }
+ packet.SetFilePos (packet.GetFilePos () + strlen("thread:"));
+ const lldb::tid_t tid = packet.GetHexMaxU64(false, 0);
+ if (tid != 0)
+ return m_debugged_process_sp->GetThreadByID (tid);
+
+ return thread_sp;
+}
+
+lldb::tid_t
+GDBRemoteCommunicationServerLLGS::GetCurrentThreadID () const
+{
+ if (m_current_tid == 0 || m_current_tid == LLDB_INVALID_THREAD_ID)
+ {
+ // Use whatever the debug process says is the current thread id
+ // since the protocol either didn't specify or specified we want
+ // any/all threads marked as the current thread.
+ if (!m_debugged_process_sp)
+ return LLDB_INVALID_THREAD_ID;
+ return m_debugged_process_sp->GetCurrentThreadID ();
+ }
+ // Use the specific current thread id set by the gdb remote protocol.
+ return m_current_tid;
+}
+
+uint32_t
+GDBRemoteCommunicationServerLLGS::GetNextSavedRegistersID ()
+{
+ Mutex::Locker locker (m_saved_registers_mutex);
+ return m_next_saved_registers_id++;
+}
+
+void
+GDBRemoteCommunicationServerLLGS::ClearProcessSpecificData ()
+{
+ Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS|GDBR_LOG_PROCESS));
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s()", __FUNCTION__);
+
+ // Clear any auxv cached data.
+ // *BSD impls should be able to do this too.
+#if defined(__linux__)
+ if (log)
+ log->Printf ("GDBRemoteCommunicationServerLLGS::%s clearing auxv buffer (previously %s)",
+ __FUNCTION__,
+ m_active_auxv_buffer_sp ? "was set" : "was not set");
+ m_active_auxv_buffer_sp.reset ();
+#endif
+}
Copied: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h (from r228822, lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h)
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h?p2=lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h&p1=lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h&r1=228822&r2=228823&rev=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h Wed Feb 11 04:29:30 2015
@@ -1,4 +1,4 @@
-//===-- GDBRemoteCommunicationServer.h --------------------------*- C++ -*-===//
+//===-- GDBRemoteCommunicationServerLLGS.h ----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -7,147 +7,38 @@
//
//===----------------------------------------------------------------------===//
-#ifndef liblldb_GDBRemoteCommunicationServer_h_
-#define liblldb_GDBRemoteCommunicationServer_h_
+#ifndef liblldb_GDBRemoteCommunicationServerLLGS_h_
+#define liblldb_GDBRemoteCommunicationServerLLGS_h_
// C Includes
// C++ Includes
-#include <vector>
-#include <set>
#include <unordered_map>
+
// Other libraries and framework includes
-// Project includes
#include "lldb/lldb-private-forward.h"
#include "lldb/Core/Communication.h"
#include "lldb/Host/Mutex.h"
-#include "lldb/Target/Process.h"
-#include "GDBRemoteCommunication.h"
-
#include "lldb/Host/common/NativeProcessProtocol.h"
+// Project includes
+#include "GDBRemoteCommunicationServerCommon.h"
+
class ProcessGDBRemote;
class StringExtractorGDBRemote;
-class GDBRemoteCommunicationServer :
- public GDBRemoteCommunication,
+class GDBRemoteCommunicationServerLLGS :
+ public GDBRemoteCommunicationServerCommon,
public lldb_private::NativeProcessProtocol::NativeDelegate
{
public:
- typedef std::map<uint16_t, lldb::pid_t> PortMap;
-
- enum
- {
- eBroadcastBitRunPacketSent = kLoUserBroadcastBit
- };
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
- GDBRemoteCommunicationServer(bool is_platform);
-
- GDBRemoteCommunicationServer(bool is_platform,
- const lldb::PlatformSP& platform_sp,
- lldb::DebuggerSP& debugger_sp);
+ GDBRemoteCommunicationServerLLGS(const lldb::PlatformSP& platform_sp,
+ lldb::DebuggerSP& debugger_sp);
virtual
- ~GDBRemoteCommunicationServer();
-
- PacketResult
- GetPacketAndSendResponse (uint32_t timeout_usec,
- lldb_private::Error &error,
- bool &interrupt,
- bool &quit);
-
- virtual bool
- GetThreadSuffixSupported () override
- {
- return true;
- }
-
- // After connecting, do a little handshake with the client to make sure
- // we are at least communicating
- bool
- HandshakeWithClient (lldb_private::Error *error_ptr);
-
- // Set both ports to zero to let the platform automatically bind to
- // a port chosen by the OS.
- void
- SetPortMap (PortMap &&port_map)
- {
- m_port_map = port_map;
- }
-
- //----------------------------------------------------------------------
- // If we are using a port map where we can only use certain ports,
- // get the next available port.
- //
- // If we are using a port map and we are out of ports, return UINT16_MAX
- //
- // If we aren't using a port map, return 0 to indicate we should bind to
- // port 0 and then figure out which port we used.
- //----------------------------------------------------------------------
- uint16_t
- GetNextAvailablePort ()
- {
- if (m_port_map.empty())
- return 0; // Bind to port zero and get a port, we didn't have any limitations
-
- for (auto &pair : m_port_map)
- {
- if (pair.second == LLDB_INVALID_PROCESS_ID)
- {
- pair.second = ~(lldb::pid_t)LLDB_INVALID_PROCESS_ID;
- return pair.first;
- }
- }
- return UINT16_MAX;
- }
-
- bool
- AssociatePortWithProcess (uint16_t port, lldb::pid_t pid)
- {
- PortMap::iterator pos = m_port_map.find(port);
- if (pos != m_port_map.end())
- {
- pos->second = pid;
- return true;
- }
- return false;
- }
-
- bool
- FreePort (uint16_t port)
- {
- PortMap::iterator pos = m_port_map.find(port);
- if (pos != m_port_map.end())
- {
- pos->second = LLDB_INVALID_PROCESS_ID;
- return true;
- }
- return false;
- }
-
- bool
- FreePortForProcess (lldb::pid_t pid)
- {
- if (!m_port_map.empty())
- {
- for (auto &pair : m_port_map)
- {
- if (pair.second == pid)
- {
- pair.second = LLDB_INVALID_PROCESS_ID;
- return true;
- }
- }
- }
- return false;
- }
-
- void
- SetPortOffset (uint16_t port_offset)
- {
- m_port_offset = port_offset;
- }
+ ~GDBRemoteCommunicationServerLLGS();
//------------------------------------------------------------------
/// Specify the program to launch and its arguments.
@@ -190,7 +81,7 @@ public:
/// launch.
//------------------------------------------------------------------
lldb_private::Error
- LaunchProcess ();
+ LaunchProcess () override;
//------------------------------------------------------------------
/// Attach to a process.
@@ -220,42 +111,19 @@ public:
protected:
lldb::PlatformSP m_platform_sp;
lldb::thread_t m_async_thread;
- lldb_private::ProcessLaunchInfo m_process_launch_info;
- lldb_private::Error m_process_launch_error;
- std::set<lldb::pid_t> m_spawned_pids;
- lldb_private::Mutex m_spawned_pids_mutex;
- lldb_private::ProcessInstanceInfoList m_proc_infos;
- uint32_t m_proc_infos_index;
- PortMap m_port_map;
- uint16_t m_port_offset;
lldb::tid_t m_current_tid;
lldb::tid_t m_continue_tid;
lldb_private::Mutex m_debugged_process_mutex;
lldb_private::NativeProcessProtocolSP m_debugged_process_sp;
lldb::DebuggerSP m_debugger_sp;
Communication m_stdio_communication;
- bool m_exit_now; // use in asynchronous handling to indicate process should exit.
lldb::StateType m_inferior_prev_state;
- bool m_thread_suffix_supported;
- bool m_list_threads_in_stop_reply;
lldb::DataBufferSP m_active_auxv_buffer_sp;
lldb_private::Mutex m_saved_registers_mutex;
std::unordered_map<uint32_t, lldb::DataBufferSP> m_saved_registers_map;
uint32_t m_next_saved_registers_id;
PacketResult
- SendUnimplementedResponse (const char *packet);
-
- PacketResult
- SendErrorResponse (uint8_t error);
-
- PacketResult
- SendIllFormedResponse (const StringExtractorGDBRemote &packet, const char *error_message);
-
- PacketResult
- SendOKResponse ();
-
- PacketResult
SendONotification (const char *buffer, uint32_t len);
PacketResult
@@ -268,88 +136,28 @@ protected:
SendStopReasonForState (lldb::StateType process_state, bool flush_on_exit);
PacketResult
- Handle_A (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qLaunchSuccess (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qHostInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_k (StringExtractorGDBRemote &packet);
PacketResult
- Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qPlatform_chmod (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_qProcessInfo (StringExtractorGDBRemote &packet);
PacketResult
- Handle_qProcessInfoPID (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qfProcessInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qsProcessInfo (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_qC (StringExtractorGDBRemote &packet);
PacketResult
- Handle_qUserName (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qGroupName (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qSpeedTest (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QEnvironment (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QLaunchArch (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_QSetDisableASLR (StringExtractorGDBRemote &packet);
PacketResult
- Handle_QSetDetachOnError (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_QSetWorkingDir (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
PacketResult
- Handle_QStartNoAckMode (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetSTDIN (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetSTDOUT (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QSetSTDERR (StringExtractorGDBRemote &packet);
+ Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
PacketResult
Handle_C (StringExtractorGDBRemote &packet);
PacketResult
- Handle_c (StringExtractorGDBRemote &packet, bool skip_file_pos_adjustment = false);
+ Handle_c (StringExtractorGDBRemote &packet);
PacketResult
Handle_vCont (StringExtractorGDBRemote &packet);
@@ -361,42 +169,6 @@ protected:
Handle_stop_reason (StringExtractorGDBRemote &packet);
PacketResult
- Handle_vFile_Open (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Close (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_pRead (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_pWrite (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Size (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Mode (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Exists (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_symlink (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_unlink (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_Stat (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_vFile_MD5 (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_qPlatform_shell (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_qRegisterInfo (StringExtractorGDBRemote &packet);
PacketResult
@@ -442,15 +214,6 @@ protected:
Handle_s (StringExtractorGDBRemote &packet);
PacketResult
- Handle_qSupported (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QThreadSuffixSupported (StringExtractorGDBRemote &packet);
-
- PacketResult
- Handle_QListThreadsInStopReply (StringExtractorGDBRemote &packet);
-
- PacketResult
Handle_qXfer_auxv_read (StringExtractorGDBRemote &packet);
PacketResult
@@ -491,16 +254,6 @@ protected:
private:
bool
- DebugserverProcessReaped (lldb::pid_t pid);
-
- static bool
- ReapDebugserverProcess (void *callback_baton,
- lldb::pid_t pid,
- bool exited,
- int signal,
- int status);
-
- bool
DebuggedProcessReaped (lldb::pid_t pid);
static bool
@@ -510,23 +263,6 @@ private:
int signal,
int status);
- bool
- KillSpawnedProcess (lldb::pid_t pid);
-
- bool
- IsGdbServer ()
- {
- return !m_is_platform;
- }
-
- /// Launch an inferior process from lldb-gdbserver
- lldb_private::Error
- LaunchProcessForDebugging ();
-
- /// Launch a process from lldb-platform
- lldb_private::Error
- LaunchPlatformProcess ();
-
void
HandleInferiorState_Exited (lldb_private::NativeProcessProtocol *process);
@@ -551,10 +287,13 @@ private:
bool
ShouldRedirectInferiorOutputOverGdbRemote (const lldb_private::ProcessLaunchInfo &launch_info) const;
+ void
+ RegisterPacketHandlers ();
+
//------------------------------------------------------------------
- // For GDBRemoteCommunicationServer only
+ // For GDBRemoteCommunicationServerLLGS only
//------------------------------------------------------------------
- DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationServer);
+ DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationServerLLGS);
};
-#endif // liblldb_GDBRemoteCommunicationServer_h_
+#endif // liblldb_GDBRemoteCommunicationServerLLGS_h_
Added: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp?rev=228823&view=auto
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp (added)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp Wed Feb 11 04:29:30 2015
@@ -0,0 +1,380 @@
+//===-- GDBRemoteCommunicationServerPlatform.cpp ----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "GDBRemoteCommunicationServerPlatform.h"
+
+#include <errno.h>
+
+// C Includes
+// C++ Includes
+#include <cstring>
+#include <chrono>
+
+// Other libraries and framework includes
+#include "lldb/Core/Log.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Host/Config.h"
+#include "lldb/Host/ConnectionFileDescriptor.h"
+#include "lldb/Host/Host.h"
+#include "lldb/Host/StringConvert.h"
+#include "lldb/Target/FileAction.h"
+#include "lldb/Target/Platform.h"
+#include "lldb/Target/Process.h"
+
+// Project includes
+#include "Utility/StringExtractorGDBRemote.h"
+#include "Utility/UriParser.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// GDBRemoteCommunicationServerPlatform constructor
+//----------------------------------------------------------------------
+GDBRemoteCommunicationServerPlatform::GDBRemoteCommunicationServerPlatform() :
+ GDBRemoteCommunicationServerCommon ("gdb-remote.server", "gdb-remote.server.rx_packet"),
+ m_platform_sp (Platform::GetHostPlatform ()),
+ m_port_map (),
+ m_port_offset(0)
+{
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qC,
+ &GDBRemoteCommunicationServerPlatform::Handle_qC);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qGetWorkingDir,
+ &GDBRemoteCommunicationServerPlatform::Handle_qGetWorkingDir);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qLaunchGDBServer,
+ &GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qProcessInfo,
+ &GDBRemoteCommunicationServerPlatform::Handle_qProcessInfo);
+ RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetWorkingDir,
+ &GDBRemoteCommunicationServerPlatform::Handle_QSetWorkingDir);
+
+ RegisterPacketHandler(StringExtractorGDBRemote::eServerPacketType_interrupt,
+ [this](StringExtractorGDBRemote packet,
+ Error &error,
+ bool &interrupt,
+ bool &quit)
+ {
+ error.SetErrorString("interrupt received");
+ interrupt = true;
+ return PacketResult::Success;
+ });
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+GDBRemoteCommunicationServerPlatform::~GDBRemoteCommunicationServerPlatform()
+{
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
+{
+#ifdef _WIN32
+ return SendErrorResponse(9);
+#else
+ // Spawn a local debugserver as a platform so we can then attach or launch
+ // a process...
+
+ Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
+ if (log)
+ log->Printf ("LLGSPacketHandler::%s() called", __FUNCTION__);
+
+ // Sleep and wait a bit for debugserver to start to listen...
+ ConnectionFileDescriptor file_conn;
+ std::string hostname;
+ // TODO: /tmp/ should not be hardcoded. User might want to override /tmp
+ // with the TMPDIR environment variable
+ packet.SetFilePos(::strlen ("qLaunchLLGSPacketHandler;"));
+ std::string name;
+ std::string value;
+ uint16_t port = UINT16_MAX;
+ while (packet.GetNameColonValue(name, value))
+ {
+ if (name.compare ("host") == 0)
+ hostname.swap(value);
+ else if (name.compare ("port") == 0)
+ port = StringConvert::ToUInt32(value.c_str(), 0, 0);
+ }
+ if (port == UINT16_MAX)
+ port = GetNextAvailablePort();
+
+ // Spawn a new thread to accept the port that gets bound after
+ // binding to port 0 (zero).
+
+ // ignore the hostname send from the remote end, just use the ip address
+ // that we're currently communicating with as the hostname
+
+ // Spawn a debugserver and try to get the port it listens to.
+ ProcessLaunchInfo debugserver_launch_info;
+ if (hostname.empty())
+ hostname = "127.0.0.1";
+ if (log)
+ log->Printf("Launching debugserver with: %s:%u...\n", hostname.c_str(), port);
+
+ // Do not run in a new session so that it can not linger after the
+ // platform closes.
+ debugserver_launch_info.SetLaunchInSeparateProcessGroup(false);
+ debugserver_launch_info.SetMonitorProcessCallback(ReapDebugserverProcess, this, false);
+
+ std::string platform_scheme;
+ std::string platform_ip;
+ int platform_port;
+ std::string platform_path;
+ bool ok = UriParser::Parse(GetConnection()->GetURI().c_str(), platform_scheme, platform_ip, platform_port, platform_path);
+ assert(ok);
+ Error error = StartDebugserverProcess (
+ platform_ip.c_str(),
+ port,
+ debugserver_launch_info,
+ port);
+
+ lldb::pid_t debugserver_pid = debugserver_launch_info.GetProcessID();
+
+
+ if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
+ {
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ m_spawned_pids.insert(debugserver_pid);
+ if (port > 0)
+ AssociatePortWithProcess(port, debugserver_pid);
+ }
+ else
+ {
+ if (port > 0)
+ FreePort (port);
+ }
+
+ if (error.Success())
+ {
+ if (log)
+ log->Printf ("LLGSPacketHandler::%s() debugserver launched successfully as pid %" PRIu64, __FUNCTION__, debugserver_pid);
+
+ char response[256];
+ const int response_len = ::snprintf (response, sizeof(response), "pid:%" PRIu64 ";port:%u;", debugserver_pid, port + m_port_offset);
+ assert (response_len < (int)sizeof(response));
+ PacketResult packet_result = SendPacketNoLock (response, response_len);
+
+ if (packet_result != PacketResult::Success)
+ {
+ if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
+ ::kill (debugserver_pid, SIGINT);
+ }
+ return packet_result;
+ }
+ else
+ {
+ if (log)
+ log->Printf ("LLGSPacketHandler::%s() debugserver launch failed: %s", __FUNCTION__, error.AsCString ());
+ }
+ return SendErrorResponse (9);
+#endif
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerPlatform::Handle_qProcessInfo (StringExtractorGDBRemote &packet)
+{
+ lldb::pid_t pid = m_process_launch_info.GetProcessID ();
+ m_process_launch_info.Clear ();
+
+ if (pid == LLDB_INVALID_PROCESS_ID)
+ return SendErrorResponse (1);
+
+ ProcessInstanceInfo proc_info;
+ if (!Host::GetProcessInfo (pid, proc_info))
+ return SendErrorResponse (1);
+
+ StreamString response;
+ CreateProcessInfoResponse_DebugServerStyle(proc_info, response);
+ return SendPacketNoLock (response.GetData (), response.GetSize ());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerPlatform::Handle_qGetWorkingDir (StringExtractorGDBRemote &packet)
+{
+ // If this packet is sent to a platform, then change the current working directory
+
+ char cwd[PATH_MAX];
+ if (getcwd(cwd, sizeof(cwd)) == NULL)
+ return SendErrorResponse(errno);
+
+ StreamString response;
+ response.PutBytesAsRawHex8(cwd, strlen(cwd));
+ return SendPacketNoLock(response.GetData(), response.GetSize());
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerPlatform::Handle_QSetWorkingDir (StringExtractorGDBRemote &packet)
+{
+ packet.SetFilePos (::strlen ("QSetWorkingDir:"));
+ std::string path;
+ packet.GetHexByteString (path);
+
+#ifdef _WIN32
+ // Not implemented on Windows
+ return SendUnimplementedResponse ("LLGSPacketHandler::Handle_QSetWorkingDir unimplemented");
+#else
+ // If this packet is sent to a platform, then change the current working directory
+ if (::chdir(path.c_str()) != 0)
+ return SendErrorResponse (errno);
+ return SendOKResponse ();
+#endif
+}
+
+GDBRemoteCommunication::PacketResult
+GDBRemoteCommunicationServerPlatform::Handle_qC (StringExtractorGDBRemote &packet)
+{
+ // NOTE: lldb should now be using qProcessInfo for process IDs. This path here
+ // should not be used. It is reporting process id instead of thread id. The
+ // correct answer doesn't seem to make much sense for lldb-platform.
+ // CONSIDER: flip to "unsupported".
+ lldb::pid_t pid = m_process_launch_info.GetProcessID();
+
+ StreamString response;
+ response.Printf("QC%" PRIx64, pid);
+
+ // If we launch a process and this GDB server is acting as a platform,
+ // then we need to clear the process launch state so we can start
+ // launching another process. In order to launch a process a bunch or
+ // packets need to be sent: environment packets, working directory,
+ // disable ASLR, and many more settings. When we launch a process we
+ // then need to know when to clear this information. Currently we are
+ // selecting the 'qC' packet as that packet which seems to make the most
+ // sense.
+ if (pid != LLDB_INVALID_PROCESS_ID)
+ {
+ m_process_launch_info.Clear();
+ }
+
+ return SendPacketNoLock (response.GetData(), response.GetSize());
+}
+
+bool
+GDBRemoteCommunicationServerPlatform::DebugserverProcessReaped (lldb::pid_t pid)
+{
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ FreePortForProcess(pid);
+ return m_spawned_pids.erase(pid) > 0;
+}
+
+bool
+GDBRemoteCommunicationServerPlatform::ReapDebugserverProcess (void *callback_baton,
+ lldb::pid_t pid,
+ bool exited,
+ int signal, // Zero for no signal
+ int status) // Exit value of process if signal is zero
+{
+ GDBRemoteCommunicationServerPlatform *server = (GDBRemoteCommunicationServerPlatform *)callback_baton;
+ server->DebugserverProcessReaped (pid);
+ return true;
+}
+
+lldb_private::Error
+GDBRemoteCommunicationServerPlatform::LaunchProcess ()
+{
+ if (!m_process_launch_info.GetArguments ().GetArgumentCount ())
+ return lldb_private::Error ("%s: no process command line specified to launch", __FUNCTION__);
+
+ // specify the process monitor if not already set. This should
+ // generally be what happens since we need to reap started
+ // processes.
+ if (!m_process_launch_info.GetMonitorProcessCallback ())
+ m_process_launch_info.SetMonitorProcessCallback(ReapDebugserverProcess, this, false);
+
+ lldb_private::Error error = m_platform_sp->LaunchProcess (m_process_launch_info);
+ if (!error.Success ())
+ {
+ fprintf (stderr, "%s: failed to launch executable %s", __FUNCTION__, m_process_launch_info.GetArguments ().GetArgumentAtIndex (0));
+ return error;
+ }
+
+ printf ("Launched '%s' as process %" PRIu64 "...\n", m_process_launch_info.GetArguments ().GetArgumentAtIndex (0), m_process_launch_info.GetProcessID());
+
+ // add to list of spawned processes. On an lldb-gdbserver, we
+ // would expect there to be only one.
+ const auto pid = m_process_launch_info.GetProcessID();
+ if (pid != LLDB_INVALID_PROCESS_ID)
+ {
+ // add to spawned pids
+ Mutex::Locker locker (m_spawned_pids_mutex);
+ m_spawned_pids.insert(pid);
+ }
+
+ return error;
+}
+
+void
+GDBRemoteCommunicationServerPlatform::SetPortMap (PortMap &&port_map)
+{
+ m_port_map = port_map;
+}
+
+uint16_t
+GDBRemoteCommunicationServerPlatform::GetNextAvailablePort ()
+{
+ if (m_port_map.empty())
+ return 0; // Bind to port zero and get a port, we didn't have any limitations
+
+ for (auto &pair : m_port_map)
+ {
+ if (pair.second == LLDB_INVALID_PROCESS_ID)
+ {
+ pair.second = ~(lldb::pid_t)LLDB_INVALID_PROCESS_ID;
+ return pair.first;
+ }
+ }
+ return UINT16_MAX;
+}
+
+bool
+GDBRemoteCommunicationServerPlatform::AssociatePortWithProcess (uint16_t port, lldb::pid_t pid)
+{
+ PortMap::iterator pos = m_port_map.find(port);
+ if (pos != m_port_map.end())
+ {
+ pos->second = pid;
+ return true;
+ }
+ return false;
+}
+
+bool
+GDBRemoteCommunicationServerPlatform::FreePort (uint16_t port)
+{
+ PortMap::iterator pos = m_port_map.find(port);
+ if (pos != m_port_map.end())
+ {
+ pos->second = LLDB_INVALID_PROCESS_ID;
+ return true;
+ }
+ return false;
+}
+
+bool
+GDBRemoteCommunicationServerPlatform::FreePortForProcess (lldb::pid_t pid)
+{
+ if (!m_port_map.empty())
+ {
+ for (auto &pair : m_port_map)
+ {
+ if (pair.second == pid)
+ {
+ pair.second = LLDB_INVALID_PROCESS_ID;
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+void
+GDBRemoteCommunicationServerPlatform::SetPortOffset (uint16_t port_offset)
+{
+ m_port_offset = port_offset;
+}
Added: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.h?rev=228823&view=auto
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.h (added)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.h Wed Feb 11 04:29:30 2015
@@ -0,0 +1,96 @@
+//===-- GDBRemoteCommunicationServerPlatform.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_GDBRemoteCommunicationServerPlatform_h_
+#define liblldb_GDBRemoteCommunicationServerPlatform_h_
+
+#include "GDBRemoteCommunicationServerCommon.h"
+
+class GDBRemoteCommunicationServerPlatform :
+ public GDBRemoteCommunicationServerCommon
+{
+public:
+ typedef std::map<uint16_t, lldb::pid_t> PortMap;
+
+ GDBRemoteCommunicationServerPlatform();
+
+ virtual
+ ~GDBRemoteCommunicationServerPlatform();
+
+ lldb_private::Error
+ LaunchProcess () override;
+
+ // Set both ports to zero to let the platform automatically bind to
+ // a port chosen by the OS.
+ void
+ SetPortMap (PortMap &&port_map);
+
+ //----------------------------------------------------------------------
+ // If we are using a port map where we can only use certain ports,
+ // get the next available port.
+ //
+ // If we are using a port map and we are out of ports, return UINT16_MAX
+ //
+ // If we aren't using a port map, return 0 to indicate we should bind to
+ // port 0 and then figure out which port we used.
+ //----------------------------------------------------------------------
+ uint16_t
+ GetNextAvailablePort ();
+
+ bool
+ AssociatePortWithProcess (uint16_t port, lldb::pid_t pid);
+
+ bool
+ FreePort (uint16_t port);
+
+ bool
+ FreePortForProcess (lldb::pid_t pid);
+
+ void
+ SetPortOffset (uint16_t port_offset);
+
+protected:
+ lldb::PlatformSP m_platform_sp;
+
+ PortMap m_port_map;
+ uint16_t m_port_offset;
+
+ PacketResult
+ Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qProcessInfo (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_QSetWorkingDir (StringExtractorGDBRemote &packet);
+
+ PacketResult
+ Handle_qC (StringExtractorGDBRemote &packet);
+
+private:
+ bool
+ DebugserverProcessReaped (lldb::pid_t pid);
+
+ static bool
+ ReapDebugserverProcess (void *callback_baton,
+ lldb::pid_t pid,
+ bool exited,
+ int signal,
+ int status);
+
+ //------------------------------------------------------------------
+ // For GDBRemoteCommunicationServerPlatform only
+ //------------------------------------------------------------------
+ DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationServerPlatform);
+};
+
+#endif // liblldb_GDBRemoteCommunicationServerPlatform_h_
Modified: lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp Wed Feb 11 04:29:30 2015
@@ -268,7 +268,7 @@ ProcessGDBRemote::CanDebug (Target &targ
ProcessGDBRemote::ProcessGDBRemote(Target& target, Listener &listener) :
Process (target, listener),
m_flags (0),
- m_gdb_comm(false),
+ m_gdb_comm (),
m_debugserver_pid (LLDB_INVALID_PROCESS_ID),
m_last_stop_packet (),
m_last_stop_packet_mutex (Mutex::eMutexTypeNormal),
Modified: lldb/trunk/tools/debugserver/debugserver.xcodeproj/xcshareddata/xcschemes/debugserver.xcscheme
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/debugserver/debugserver.xcodeproj/xcshareddata/xcschemes/debugserver.xcscheme?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/tools/debugserver/debugserver.xcodeproj/xcshareddata/xcschemes/debugserver.xcscheme (original)
+++ lldb/trunk/tools/debugserver/debugserver.xcodeproj/xcshareddata/xcschemes/debugserver.xcscheme Wed Feb 11 04:29:30 2015
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
- LastUpgradeVersion = "0600"
+ LastUpgradeVersion = "0610"
version = "1.8">
<BuildAction
parallelizeBuildables = "NO"
Modified: lldb/trunk/tools/lldb-gdbserver/lldb-gdbserver.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/lldb-gdbserver/lldb-gdbserver.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/tools/lldb-gdbserver/lldb-gdbserver.cpp (original)
+++ lldb/trunk/tools/lldb-gdbserver/lldb-gdbserver.cpp Wed Feb 11 04:29:30 2015
@@ -38,7 +38,7 @@
#include "lldb/Host/ThreadLauncher.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
-#include "Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h"
+#include "Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h"
#include "Plugins/Process/gdb-remote/ProcessGDBRemoteLog.h"
#ifndef LLGS_PROGRAM_NAME
@@ -203,7 +203,7 @@ setup_platform (const std::string &platf
}
void
-handle_attach_to_pid (GDBRemoteCommunicationServer &gdb_server, lldb::pid_t pid)
+handle_attach_to_pid (GDBRemoteCommunicationServerLLGS &gdb_server, lldb::pid_t pid)
{
Error error = gdb_server.AttachToProcess (pid);
if (error.Fail ())
@@ -214,13 +214,13 @@ handle_attach_to_pid (GDBRemoteCommunica
}
void
-handle_attach_to_process_name (GDBRemoteCommunicationServer &gdb_server, const std::string &process_name)
+handle_attach_to_process_name (GDBRemoteCommunicationServerLLGS &gdb_server, const std::string &process_name)
{
// FIXME implement.
}
void
-handle_attach (GDBRemoteCommunicationServer &gdb_server, const std::string &attach_target)
+handle_attach (GDBRemoteCommunicationServerLLGS &gdb_server, const std::string &attach_target)
{
assert (!attach_target.empty () && "attach_target cannot be empty");
@@ -236,7 +236,7 @@ handle_attach (GDBRemoteCommunicationSer
}
void
-handle_launch (GDBRemoteCommunicationServer &gdb_server, int argc, const char *const argv[])
+handle_launch (GDBRemoteCommunicationServerLLGS &gdb_server, int argc, const char *const argv[])
{
Error error;
error = gdb_server.SetLaunchArguments (argv, argc);
@@ -326,7 +326,7 @@ writePortToPipe (const char *const named
}
void
-ConnectToRemote (GDBRemoteCommunicationServer &gdb_server, bool reverse_connect, const char *const host_and_port, const char *const progname, const char *const named_pipe_path)
+ConnectToRemote (GDBRemoteCommunicationServerLLGS &gdb_server, bool reverse_connect, const char *const host_and_port, const char *const progname, const char *const named_pipe_path)
{
Error error;
@@ -663,11 +663,10 @@ main (int argc, char *argv[])
// Run any commands requested.
run_lldb_commands (debugger_sp, lldb_commands);
- // Setup the platform that GDBRemoteCommunicationServer will use.
+ // Setup the platform that GDBRemoteCommunicationServerLLGS will use.
lldb::PlatformSP platform_sp = setup_platform (platform_name);
- const bool is_platform = false;
- GDBRemoteCommunicationServer gdb_server (is_platform, platform_sp, debugger_sp);
+ GDBRemoteCommunicationServerLLGS gdb_server (platform_sp, debugger_sp);
const char *const host_and_port = argv[0];
argc -= 1;
Modified: lldb/trunk/tools/lldb-platform/lldb-platform.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/lldb-platform/lldb-platform.cpp?rev=228823&r1=228822&r2=228823&view=diff
==============================================================================
--- lldb/trunk/tools/lldb-platform/lldb-platform.cpp (original)
+++ lldb/trunk/tools/lldb-platform/lldb-platform.cpp Wed Feb 11 04:29:30 2015
@@ -33,8 +33,9 @@
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
-#include "Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h"
+#include "Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.h"
#include "Plugins/Process/gdb-remote/ProcessGDBRemoteLog.h"
+
using namespace lldb;
using namespace lldb_private;
@@ -115,7 +116,7 @@ main (int argc, char *argv[])
debugger_sp->SetOutputFileHandle(stdout, false);
debugger_sp->SetErrorFileHandle(stderr, false);
- GDBRemoteCommunicationServer::PortMap gdbserver_portmap;
+ GDBRemoteCommunicationServerPlatform::PortMap gdbserver_portmap;
int min_gdbserver_port = 0;
int max_gdbserver_port = 0;
uint16_t port_offset = 0;
@@ -246,14 +247,14 @@ main (int argc, char *argv[])
do {
- GDBRemoteCommunicationServer gdb_server (true);
+ GDBRemoteCommunicationServerPlatform platform;
if (port_offset > 0)
- gdb_server.SetPortOffset(port_offset);
+ platform.SetPortOffset(port_offset);
if (!gdbserver_portmap.empty())
{
- gdb_server.SetPortMap(std::move(gdbserver_portmap));
+ platform.SetPortMap(std::move(gdbserver_portmap));
}
if (!listen_host_port.empty())
@@ -268,7 +269,7 @@ main (int argc, char *argv[])
if (conn_ap->Connect(connect_url.c_str(), &error) == eConnectionStatusSuccess)
{
printf ("Connection established.\n");
- gdb_server.SetConnection (conn_ap.release());
+ platform.SetConnection (conn_ap.release());
}
else
{
@@ -276,16 +277,16 @@ main (int argc, char *argv[])
}
}
- if (gdb_server.IsConnected())
+ if (platform.IsConnected())
{
// After we connected, we need to get an initial ack from...
- if (gdb_server.HandshakeWithClient(&error))
+ if (platform.HandshakeWithClient(&error))
{
bool interrupt = false;
bool done = false;
while (!interrupt && !done)
{
- if (gdb_server.GetPacketAndSendResponse (UINT32_MAX, error, interrupt, done) != GDBRemoteCommunication::PacketResult::Success)
+ if (platform.GetPacketAndSendResponse (UINT32_MAX, error, interrupt, done) != GDBRemoteCommunication::PacketResult::Success)
break;
}
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