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llvm-project/lldb/source/lldb.cpp

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//===-- lldb.cpp ------------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/lldb-python.h"
#include "lldb/lldb-private.h"
#include "lldb/lldb-private-log.h"
#include "lldb/Core/ArchSpec.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/Timer.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Host/Mutex.h"
#include "lldb/Interpreter/ScriptInterpreterPython.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/TargetSelect.h"
#include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h"
#include "Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h"
#include "Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.h"
#include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h"
#include "Plugins/ABI/SysV-ppc/ABISysV_ppc.h"
#include "Plugins/ABI/SysV-ppc64/ABISysV_ppc64.h"
#include "Plugins/Disassembler/llvm/DisassemblerLLVMC.h"
#include "Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h"
#include "Plugins/Instruction/ARM/EmulateInstructionARM.h"
#include "Plugins/Instruction/ARM64/EmulateInstructionARM64.h"
#include "Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.h"
#include "Plugins/JITLoader/GDB/JITLoaderGDB.h"
#include "Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h"
#include "Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h"
#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h"
#include "Plugins/Platform/FreeBSD/PlatformFreeBSD.h"
#include "Plugins/Platform/Linux/PlatformLinux.h"
#include "Plugins/Platform/POSIX/PlatformPOSIX.h"
#include "Plugins/Platform/Windows/PlatformWindows.h"
#include "Plugins/Platform/Kalimba/PlatformKalimba.h"
#include "Plugins/Process/elf-core/ProcessElfCore.h"
#include "Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.h"
#include "Plugins/SymbolVendor/ELF/SymbolVendorELF.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h"
#include "Plugins/SymbolFile/Symtab/SymbolFileSymtab.h"
#include "Plugins/UnwindAssembly/x86/UnwindAssembly-x86.h"
#include "Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h"
#ifndef LLDB_DISABLE_PYTHON
#include "Plugins/OperatingSystem/Python/OperatingSystemPython.h"
#endif
#if defined (__APPLE__)
#include "Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h"
#include "Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.h"
#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV1.h"
#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.h"
#include "Plugins/ObjectContainer/Universal-Mach-O/ObjectContainerUniversalMachO.h"
#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
#include "Plugins/Process/MacOSX-Kernel/ProcessKDP.h"
#include "Plugins/Platform/MacOSX/PlatformMacOSX.h"
#include "Plugins/Platform/MacOSX/PlatformRemoteiOS.h"
#include "Plugins/Platform/MacOSX/PlatformDarwinKernel.h"
#include "Plugins/Platform/MacOSX/PlatformiOSSimulator.h"
#include "Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h"
#endif
#include "Plugins/Process/mach-core/ProcessMachCore.h"
#if defined (__linux__)
#include "Plugins/Process/Linux/ProcessLinux.h"
#endif
#if defined (_WIN32)
#include "lldb/Host/windows/windows.h"
#include "Plugins/Process/Windows/DynamicLoaderWindows.h"
#include "Plugins/Process/Windows/ProcessWindows.h"
#endif
#if defined (__FreeBSD__)
#include "Plugins/Process/POSIX/ProcessPOSIX.h"
#include "Plugins/Process/FreeBSD/ProcessFreeBSD.h"
#endif
#include "Plugins/Platform/gdb-server/PlatformRemoteGDBServer.h"
#include "Plugins/Process/gdb-remote/ProcessGDBRemote.h"
#include "Plugins/DynamicLoader/Static/DynamicLoaderStatic.h"
#include "Plugins/MemoryHistory/asan/MemoryHistoryASan.h"
#include "Plugins/InstrumentationRuntime/AddressSanitizer/AddressSanitizerRuntime.h"
using namespace lldb;
using namespace lldb_private;
static void fatal_error_handler(void *user_data, const std::string& reason,
bool gen_crash_diag) {
Host::SetCrashDescription(reason.c_str());
::abort();
}
void
lldb_private::Initialize ()
{
// Make sure we inialize only once
static Mutex g_inited_mutex(Mutex::eMutexTypeRecursive);
static bool g_inited = false;
Mutex::Locker locker(g_inited_mutex);
if (!g_inited)
{
g_inited = true;
#if defined(_MSC_VER)
const char *disable_crash_dialog_var = getenv("LLDB_DISABLE_CRASH_DIALOG");
if (disable_crash_dialog_var && llvm::StringRef(disable_crash_dialog_var).equals_lower("true"))
{
// This will prevent Windows from displaying a dialog box requiring user interaction when
// LLDB crashes. This is mostly useful when automating LLDB, for example via the test
// suite, so that a crash in LLDB does not prevent completion of the test suite.
::SetErrorMode(GetErrorMode() | SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
}
#endif
Log::Initialize();
HostInfo::Initialize();
Timer::Initialize ();
Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
// Initialize LLVM and Clang
llvm::InitializeAllTargets();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllDisassemblers();
llvm::install_fatal_error_handler(fatal_error_handler, 0);
// Initialize plug-ins
ABIMacOSX_i386::Initialize();
ABIMacOSX_arm::Initialize();
ABIMacOSX_arm64::Initialize();
ABISysV_x86_64::Initialize();
ABISysV_ppc::Initialize();
ABISysV_ppc64::Initialize();
DisassemblerLLVMC::Initialize();
ObjectContainerBSDArchive::Initialize();
ObjectFileELF::Initialize();
SymbolVendorELF::Initialize();
SymbolFileDWARF::Initialize();
SymbolFileSymtab::Initialize();
UnwindAssemblyInstEmulation::Initialize();
UnwindAssembly_x86::Initialize();
EmulateInstructionARM::Initialize ();
EmulateInstructionARM64::Initialize ();
ObjectFilePECOFF::Initialize ();
DynamicLoaderPOSIXDYLD::Initialize ();
PlatformFreeBSD::Initialize();
PlatformLinux::Initialize();
PlatformWindows::Initialize();
PlatformKalimba::Initialize();
SymbolFileDWARFDebugMap::Initialize();
ItaniumABILanguageRuntime::Initialize();
#ifndef LLDB_DISABLE_PYTHON
ScriptInterpreterPython::InitializePrivate();
OperatingSystemPython::Initialize();
#endif
JITLoaderGDB::Initialize();
ProcessElfCore::Initialize();
MemoryHistoryASan::Initialize();
AddressSanitizerRuntime::Initialize();
#if defined (__APPLE__)
//----------------------------------------------------------------------
// Apple/Darwin hosted plugins
//----------------------------------------------------------------------
DynamicLoaderMacOSXDYLD::Initialize();
DynamicLoaderDarwinKernel::Initialize();
AppleObjCRuntimeV2::Initialize();
AppleObjCRuntimeV1::Initialize();
ObjectContainerUniversalMachO::Initialize();
ObjectFileMachO::Initialize();
ProcessKDP::Initialize();
ProcessMachCore::Initialize();
SymbolVendorMacOSX::Initialize();
PlatformDarwinKernel::Initialize();
PlatformRemoteiOS::Initialize();
PlatformMacOSX::Initialize();
PlatformiOSSimulator::Initialize();
SystemRuntimeMacOSX::Initialize();
#endif
#if defined (__linux__)
//----------------------------------------------------------------------
// Linux hosted plugins
//----------------------------------------------------------------------
ProcessLinux::Initialize();
#endif
#if defined(_WIN32)
DynamicLoaderWindows::Initialize();
ProcessWindows::Initialize();
#endif
#if defined (__FreeBSD__)
ProcessFreeBSD::Initialize();
#endif
//----------------------------------------------------------------------
// Platform agnostic plugins
//----------------------------------------------------------------------
PlatformRemoteGDBServer::Initialize ();
ProcessGDBRemote::Initialize();
DynamicLoaderStatic::Initialize();
// Scan for any system or user LLDB plug-ins
PluginManager::Initialize();
// The process settings need to know about installed plug-ins, so the Settings must be initialized
// AFTER PluginManager::Initialize is called.
Debugger::SettingsInitialize();
}
}
void
lldb_private::WillTerminate()
{
Host::WillTerminate();
}
void
lldb_private::Terminate ()
{
Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
// Terminate and unload and loaded system or user LLDB plug-ins
PluginManager::Terminate();
ABIMacOSX_i386::Terminate();
ABIMacOSX_arm::Terminate();
ABIMacOSX_arm64::Terminate();
ABISysV_x86_64::Terminate();
ABISysV_ppc::Terminate();
ABISysV_ppc64::Terminate();
DisassemblerLLVMC::Terminate();
ObjectContainerBSDArchive::Terminate();
ObjectFileELF::Terminate();
SymbolVendorELF::Terminate();
SymbolFileDWARF::Terminate();
SymbolFileSymtab::Terminate();
UnwindAssembly_x86::Terminate();
UnwindAssemblyInstEmulation::Terminate();
EmulateInstructionARM::Terminate ();
EmulateInstructionARM64::Terminate ();
ObjectFilePECOFF::Terminate ();
DynamicLoaderPOSIXDYLD::Terminate ();
PlatformFreeBSD::Terminate();
PlatformLinux::Terminate();
PlatformWindows::Terminate();
PlatformKalimba::Terminate();
SymbolFileDWARFDebugMap::Terminate();
ItaniumABILanguageRuntime::Terminate();
#ifndef LLDB_DISABLE_PYTHON
OperatingSystemPython::Terminate();
#endif
JITLoaderGDB::Terminate();
ProcessElfCore::Terminate();
MemoryHistoryASan::Terminate();
AddressSanitizerRuntime::Terminate();
#if defined (__APPLE__)
DynamicLoaderMacOSXDYLD::Terminate();
DynamicLoaderDarwinKernel::Terminate();
AppleObjCRuntimeV2::Terminate();
AppleObjCRuntimeV1::Terminate();
ObjectContainerUniversalMachO::Terminate();
ObjectFileMachO::Terminate();
ProcessMachCore::Terminate();
ProcessKDP::Terminate();
SymbolVendorMacOSX::Terminate();
PlatformMacOSX::Terminate();
PlatformDarwinKernel::Terminate();
PlatformRemoteiOS::Terminate();
PlatformiOSSimulator::Terminate();
SystemRuntimeMacOSX::Terminate();
#endif
Debugger::SettingsTerminate ();
#if defined (_WIN32)
DynamicLoaderWindows::Terminate();
#endif
#if defined (__linux__)
ProcessLinux::Terminate();
#endif
#if defined (__FreeBSD__)
ProcessFreeBSD::Terminate();
#endif
ProcessGDBRemote::Terminate();
DynamicLoaderStatic::Terminate();
Log::Terminate();
}
#if defined (__APPLE__)
extern "C" const unsigned char liblldb_coreVersionString[];
#else
#include "clang/Basic/Version.h"
static const char *
GetLLDBRevision()
{
#ifdef LLDB_REVISION
return LLDB_REVISION;
#else
return NULL;
#endif
}
static const char *
GetLLDBRepository()
{
#ifdef LLDB_REPOSITORY
return LLDB_REPOSITORY;
#else
return NULL;
#endif
}
#endif
const char *
lldb_private::GetVersion ()
{
#if defined (__APPLE__)
static char g_version_string[32];
if (g_version_string[0] == '\0')
{
const char *version_string = ::strstr ((const char *)liblldb_coreVersionString, "PROJECT:");
if (version_string)
version_string += sizeof("PROJECT:") - 1;
else
version_string = "unknown";
const char *newline_loc = strchr(version_string, '\n');
size_t version_len = sizeof(g_version_string);
if (newline_loc &&
(newline_loc - version_string < static_cast<ptrdiff_t>(version_len)))
version_len = newline_loc - version_string;
::strncpy(g_version_string, version_string, version_len);
}
return g_version_string;
#else
// On Linux/FreeBSD/Windows, report a version number in the same style as the clang tool.
static std::string g_version_str;
if (g_version_str.empty())
{
g_version_str += "lldb version ";
g_version_str += CLANG_VERSION_STRING;
const char * lldb_repo = GetLLDBRepository();
if (lldb_repo)
{
g_version_str += " (";
g_version_str += lldb_repo;
}
const char *lldb_rev = GetLLDBRevision();
if (lldb_rev)
{
g_version_str += " revision ";
g_version_str += lldb_rev;
}
std::string clang_rev (clang::getClangRevision());
if (clang_rev.length() > 0)
{
g_version_str += " clang revision ";
g_version_str += clang_rev;
}
std::string llvm_rev (clang::getLLVMRevision());
if (llvm_rev.length() > 0)
{
g_version_str += " llvm revision ";
g_version_str += llvm_rev;
}
if (lldb_repo)
g_version_str += ")";
}
return g_version_str.c_str();
#endif
}
const char *
lldb_private::GetVoteAsCString (Vote vote)
{
switch (vote)
{
case eVoteNo: return "no";
case eVoteNoOpinion: return "no opinion";
case eVoteYes: return "yes";
}
return "invalid";
}
const char *
lldb_private::GetSectionTypeAsCString (SectionType sect_type)
{
switch (sect_type)
{
case eSectionTypeInvalid: return "invalid";
case eSectionTypeCode: return "code";
case eSectionTypeContainer: return "container";
case eSectionTypeData: return "data";
case eSectionTypeDataCString: return "data-cstr";
case eSectionTypeDataCStringPointers: return "data-cstr-ptr";
case eSectionTypeDataSymbolAddress: return "data-symbol-addr";
case eSectionTypeData4: return "data-4-byte";
case eSectionTypeData8: return "data-8-byte";
case eSectionTypeData16: return "data-16-byte";
case eSectionTypeDataPointers: return "data-ptrs";
case eSectionTypeDebug: return "debug";
case eSectionTypeZeroFill: return "zero-fill";
case eSectionTypeDataObjCMessageRefs: return "objc-message-refs";
case eSectionTypeDataObjCCFStrings: return "objc-cfstrings";
case eSectionTypeDWARFDebugAbbrev: return "dwarf-abbrev";
case eSectionTypeDWARFDebugAranges: return "dwarf-aranges";
case eSectionTypeDWARFDebugFrame: return "dwarf-frame";
case eSectionTypeDWARFDebugInfo: return "dwarf-info";
case eSectionTypeDWARFDebugLine: return "dwarf-line";
case eSectionTypeDWARFDebugLoc: return "dwarf-loc";
case eSectionTypeDWARFDebugMacInfo: return "dwarf-macinfo";
case eSectionTypeDWARFDebugPubNames: return "dwarf-pubnames";
case eSectionTypeDWARFDebugPubTypes: return "dwarf-pubtypes";
case eSectionTypeDWARFDebugRanges: return "dwarf-ranges";
case eSectionTypeDWARFDebugStr: return "dwarf-str";
case eSectionTypeELFSymbolTable: return "elf-symbol-table";
case eSectionTypeELFDynamicSymbols: return "elf-dynamic-symbols";
case eSectionTypeELFRelocationEntries: return "elf-relocation-entries";
case eSectionTypeELFDynamicLinkInfo: return "elf-dynamic-link-info";
case eSectionTypeDWARFAppleNames: return "apple-names";
case eSectionTypeDWARFAppleTypes: return "apple-types";
case eSectionTypeDWARFAppleNamespaces: return "apple-namespaces";
case eSectionTypeDWARFAppleObjC: return "apple-objc";
case eSectionTypeEHFrame: return "eh-frame";
case eSectionTypeCompactUnwind: return "compact-unwind";
case eSectionTypeOther: return "regular";
}
return "unknown";
}
bool
lldb_private::NameMatches (const char *name,
NameMatchType match_type,
const char *match)
{
if (match_type == eNameMatchIgnore)
return true;
if (name == match)
return true;
if (name && match)
{
llvm::StringRef name_sref(name);
llvm::StringRef match_sref(match);
switch (match_type)
{
case eNameMatchIgnore: // This case cannot occur: tested before
return true;
case eNameMatchEquals: return name_sref == match_sref;
case eNameMatchContains: return name_sref.find (match_sref) != llvm::StringRef::npos;
case eNameMatchStartsWith: return name_sref.startswith (match_sref);
case eNameMatchEndsWith: return name_sref.endswith (match_sref);
case eNameMatchRegularExpression:
{
RegularExpression regex (match);
return regex.Execute (name);
}
break;
}
}
return false;
}
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