mirror of
https://github.com/intel/llvm.git
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ab4f1924db
Not yet enabled as the default unwinder but there are no known backtrace problems with the code at this point. Added 'log enable lldb unwind' to help diagnose backtrace problems; this output needs a little refining but it's a good first step. eh_frame information is currently read unconditionally - the code is structured to allow this to be delayed until it's actually needed. There is a performance hit when you have to parse the eh_frame information for any largeish executable/library so it's necessary to avoid if possible. It's confusing having both the UnwindPlan::RegisterLocation struct and the RegisterConextLLDB::RegisterLocation struct, I need to rename one of them. The writing of registers isn't done in the RegisterConextLLDB subclass yet; neither is the running of complex DWARF expressions from eh_frame (e.g. used for _sigtramp on Mac OS X). llvm-svn: 117256
200 lines
6.6 KiB
C++
200 lines
6.6 KiB
C++
//===-- lldb.cpp ------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-private.h"
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#include "lldb/lldb-private-log.h"
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#include "lldb/Core/ArchSpec.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/Mutex.h"
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#include "Plugins/Disassembler/llvm/DisassemblerLLVM.h"
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#include "Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.h"
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#include "Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h"
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#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
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#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
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#include "Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h"
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#include "Plugins/SymbolFile/Symtab/SymbolFileSymtab.h"
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#include "Plugins/Process/Utility/UnwindAssemblyProfiler-x86.h"
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#include "Plugins/Process/Utility/ArchDefaultUnwindPlan-x86.h"
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#include "Plugins/Process/Utility/ArchVolatileRegs-x86.h"
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#ifdef __APPLE__
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#include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h"
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#include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h"
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#include "Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h"
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#include "Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h"
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#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntimeV2/AppleObjCRuntimeV2.h"
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#include "Plugins/ObjectContainer/Universal-Mach-O/ObjectContainerUniversalMachO.h"
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#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
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#include "Plugins/Process/MacOSX-User/source/ProcessMacOSX.h"
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#include "Plugins/Process/gdb-remote/ProcessGDBRemote.h"
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#endif
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#ifdef __linux__
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#include "Plugins/Process/Linux/ProcessLinux.h"
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#endif
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using namespace lldb_private;
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void
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lldb_private::Initialize ()
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{
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// Make sure we inialize only once
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static Mutex g_inited_mutex(Mutex::eMutexTypeNormal);
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static bool g_inited = false;
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Mutex::Locker locker(g_inited_mutex);
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if (!g_inited)
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{
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g_inited = true;
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Timer::Initialize ();
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Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
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Log::Callbacks log_callbacks = { DisableLog, EnableLog, ListLogCategories };
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Log::RegisterLogChannel ("lldb", log_callbacks);
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DisassemblerLLVM::Initialize();
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ObjectContainerBSDArchive::Initialize();
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ObjectFileELF::Initialize();
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SymbolFileDWARF::Initialize();
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SymbolFileDWARFDebugMap::Initialize();
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SymbolFileSymtab::Initialize();
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UnwindAssemblyProfiler_x86::Initialize();
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ArchDefaultUnwindPlan_x86::Initialize();
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ArchVolatileRegs_x86::Initialize();
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#ifdef __APPLE__
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ABIMacOSX_i386::Initialize();
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ABISysV_x86_64::Initialize();
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DynamicLoaderMacOSXDYLD::Initialize();
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ItaniumABILanguageRuntime::Initialize();
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AppleObjCRuntimeV2::Initialize();
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ObjectContainerUniversalMachO::Initialize();
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ObjectFileMachO::Initialize();
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ProcessGDBRemote::Initialize();
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//ProcessMacOSX::Initialize();
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SymbolVendorMacOSX::Initialize();
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#endif
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Debugger::GetSettingsController (false);
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Target::GetSettingsController (false);
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Process::GetSettingsController (false);
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Thread::GetSettingsController (false);
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#ifdef __linux__
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ProcessLinux::Initialize();
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#endif
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}
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}
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void
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lldb_private::WillTerminate()
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{
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Host::WillTerminate();
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}
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void
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lldb_private::Terminate ()
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{
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Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
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DisassemblerLLVM::Terminate();
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ObjectContainerBSDArchive::Terminate();
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ObjectFileELF::Terminate();
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SymbolFileDWARF::Terminate();
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SymbolFileDWARFDebugMap::Terminate();
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SymbolFileSymtab::Terminate();
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UnwindAssemblyProfiler_x86::Terminate();
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ArchDefaultUnwindPlan_x86::Terminate();
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ArchVolatileRegs_x86::Terminate();
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#ifdef __APPLE__
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DynamicLoaderMacOSXDYLD::Terminate();
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ObjectContainerUniversalMachO::Terminate();
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ObjectFileMachO::Terminate();
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ProcessGDBRemote::Terminate();
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//ProcessMacOSX::Terminate();
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SymbolVendorMacOSX::Terminate();
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#endif
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Thread::GetSettingsController (true);
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Process::GetSettingsController (true);
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Target::GetSettingsController (true);
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Debugger::GetSettingsController (true);
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#ifdef __linux__
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ProcessLinux::Terminate();
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#endif
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}
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extern "C" const double LLDBVersionNumber;
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const char *
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lldb_private::GetVersion ()
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{
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static char g_version_string[32];
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if (g_version_string[0] == '\0')
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::snprintf (g_version_string, sizeof(g_version_string), "LLDB-%g", LLDBVersionNumber);
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return g_version_string;
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}
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const char *
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lldb_private::GetVoteAsCString (lldb::Vote vote)
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{
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switch (vote)
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{
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case eVoteNo: return "no";
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case eVoteNoOpinion: return "no opinion";
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case eVoteYes: return "yes";
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default:
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break;
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}
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return "invalid";
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}
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const char *
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lldb_private::GetSectionTypeAsCString (lldb::SectionType sect_type)
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{
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switch (sect_type)
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{
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case eSectionTypeInvalid: return "invalid";
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case eSectionTypeCode: return "code";
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case eSectionTypeContainer: return "container";
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case eSectionTypeData: return "data";
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case eSectionTypeDataCString: return "data-cstr";
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case eSectionTypeDataCStringPointers: return "data-cstr-ptr";
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case eSectionTypeDataSymbolAddress: return "data-symbol-addr";
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case eSectionTypeData4: return "data-4-byte";
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case eSectionTypeData8: return "data-8-byte";
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case eSectionTypeData16: return "data-16-byte";
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case eSectionTypeDataPointers: return "data-ptrs";
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case eSectionTypeDebug: return "debug";
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case eSectionTypeZeroFill: return "zero-fill";
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case eSectionTypeDataObjCMessageRefs: return "objc-message-refs";
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case eSectionTypeDataObjCCFStrings: return "objc-cfstrings";
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case eSectionTypeDWARFDebugAbbrev: return "dwarf-abbrev";
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case eSectionTypeDWARFDebugAranges: return "dwarf-aranges";
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case eSectionTypeDWARFDebugFrame: return "dwarf-frame";
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case eSectionTypeDWARFDebugInfo: return "dwarf-info";
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case eSectionTypeDWARFDebugLine: return "dwarf-line";
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case eSectionTypeDWARFDebugLoc: return "dwarf-loc";
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case eSectionTypeDWARFDebugMacInfo: return "dwarf-macinfo";
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case eSectionTypeDWARFDebugPubNames: return "dwarf-pubnames";
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case eSectionTypeDWARFDebugPubTypes: return "dwarf-pubtypes";
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case eSectionTypeDWARFDebugRanges: return "dwarf-ranges";
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case eSectionTypeDWARFDebugStr: return "dwarf-str";
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case eSectionTypeEHFrame: return "eh-frame";
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case eSectionTypeOther: return "regular";
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}
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return "unknown";
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}
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