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llvm/lldb/source/lldb.cpp
Zachary Turner 555a7a6ad2 Add a method to disable the Windows crash / assert dialogs. 
When running the test suite on Windows, we can't have Windows popping
up dialogs when LLDB crashes in native code because it will hang
the test suite.  This patch silences those dialogs by checking an
environment variable at startup and configuring Windows based on
its value.

This patch also adds an environment variable to force inferiors to
never spawn in their own console window.  This is useful to prevent
new window spawm when running the test suite.

Reviewed by: Scott Graham

Differential Revision: http://reviews.llvm.org/D6628

llvm-svn: 224137
2014-12-12 18:10:52 +00:00

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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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