teak-llvm/lldb/source/API/SystemInitializerFull.cpp
Pavel Labath d0b44dbefd Have ABI plugins vend llvm MCRegisterInfo data
Summary:
I was recently surprised to learn that there is a total of 2 (two) users
of the register info definitions contained in the ABI plugins. Yet, the
defitions themselves span nearly 10kLOC.
The two users are:
 - dwarf expression pretty printer
 - the mechanism for augmenting the register info definitions obtained
   over gdb-remote protocol (AugmentRegisterInfoViaABI)

Both of these uses need the DWARF an EH register numbers, which is
information that is already available in LLVM. This patch makes it
possible to do so.

It adds a GetMCRegisterInfo method to the ABI class, which every class
is expected to implement. Normally, it should be sufficient to obtain
the definitions from the appropriate llvm::Target object (for which I
provide a utility function), but the subclasses are free to construct it
in any way they deem fit.

We should be able to always get the MCRegisterInfo object from llvm,
with one important exception: if the relevant llvm target was disabled
at compile time. To handle this, I add a mechanism to disable the
compilation of ABI plugins based on the value of LLVM_TARGETS_TO_BUILD
cmake setting. This ensures all our existing are able to create their
MCRegisterInfo objects.

The new MCRegisterInfo api is not used yet, but the intention is to make
use of it in follow-up patches.

Reviewers: jasonmolenda, aprantl, JDevlieghere, tatyana-krasnukha

Subscribers: wuzish, nemanjai, mgorny, kbarton, atanasyan, lldb-commits

Differential Revision: https://reviews.llvm.org/D67965

llvm-svn: 372862
2019-09-25 13:03:04 +00:00

424 lines
14 KiB
C++

//===-- SystemInitializerFull.cpp -------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "SystemInitializerFull.h"
#include "lldb/API/SBCommandInterpreter.h"
#if !defined(LLDB_DISABLE_PYTHON)
#include "Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h"
#endif
#include "lldb/Core/Debugger.h"
#include "lldb/Host/Host.h"
#include "lldb/Initialization/SystemInitializerCommon.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Utility/Timer.h"
#include "Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h"
#include "Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.h"
#include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h"
#include "Plugins/ABI/SysV-arm/ABISysV_arm.h"
#include "Plugins/ABI/SysV-arm64/ABISysV_arm64.h"
#include "Plugins/ABI/SysV-hexagon/ABISysV_hexagon.h"
#include "Plugins/ABI/SysV-i386/ABISysV_i386.h"
#include "Plugins/ABI/SysV-mips/ABISysV_mips.h"
#include "Plugins/ABI/SysV-mips64/ABISysV_mips64.h"
#include "Plugins/ABI/SysV-ppc/ABISysV_ppc.h"
#include "Plugins/ABI/SysV-ppc64/ABISysV_ppc64.h"
#include "Plugins/ABI/SysV-s390x/ABISysV_s390x.h"
#include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h"
#include "Plugins/ABI/Windows-x86_64/ABIWindows_x86_64.h"
#include "Plugins/Architecture/Arm/ArchitectureArm.h"
#include "Plugins/Architecture/Mips/ArchitectureMips.h"
#include "Plugins/Architecture/PPC64/ArchitecturePPC64.h"
#include "Plugins/Disassembler/llvm/DisassemblerLLVMC.h"
#include "Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.h"
#include "Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h"
#include "Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h"
#include "Plugins/DynamicLoader/Static/DynamicLoaderStatic.h"
#include "Plugins/DynamicLoader/Windows-DYLD/DynamicLoaderWindowsDYLD.h"
#include "Plugins/Instruction/ARM/EmulateInstructionARM.h"
#include "Plugins/Instruction/ARM64/EmulateInstructionARM64.h"
#include "Plugins/Instruction/MIPS/EmulateInstructionMIPS.h"
#include "Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.h"
#include "Plugins/Instruction/PPC64/EmulateInstructionPPC64.h"
#include "Plugins/InstrumentationRuntime/ASan/ASanRuntime.h"
#include "Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.h"
#include "Plugins/InstrumentationRuntime/TSan/TSanRuntime.h"
#include "Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.h"
#include "Plugins/JITLoader/GDB/JITLoaderGDB.h"
#include "Plugins/Language/CPlusPlus/CPlusPlusLanguage.h"
#include "Plugins/Language/ObjC/ObjCLanguage.h"
#include "Plugins/Language/ObjCPlusPlus/ObjCPlusPlusLanguage.h"
#include "Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h"
#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV1.h"
#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.h"
#include "Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h"
#include "Plugins/MemoryHistory/asan/MemoryHistoryASan.h"
#include "Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h"
#include "Plugins/ObjectContainer/Universal-Mach-O/ObjectContainerUniversalMachO.h"
#include "Plugins/ObjectFile/Breakpad/ObjectFileBreakpad.h"
#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
#include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h"
#include "Plugins/OperatingSystem/Python/OperatingSystemPython.h"
#include "Plugins/Platform/Android/PlatformAndroid.h"
#include "Plugins/Platform/FreeBSD/PlatformFreeBSD.h"
#include "Plugins/Platform/Linux/PlatformLinux.h"
#include "Plugins/Platform/MacOSX/PlatformMacOSX.h"
#include "Plugins/Platform/MacOSX/PlatformRemoteiOS.h"
#include "Plugins/Platform/NetBSD/PlatformNetBSD.h"
#include "Plugins/Platform/OpenBSD/PlatformOpenBSD.h"
#include "Plugins/Platform/Windows/PlatformWindows.h"
#include "Plugins/Platform/gdb-server/PlatformRemoteGDBServer.h"
#include "Plugins/Process/elf-core/ProcessElfCore.h"
#include "Plugins/Process/gdb-remote/ProcessGDBRemote.h"
#include "Plugins/Process/mach-core/ProcessMachCore.h"
#include "Plugins/Process/minidump/ProcessMinidump.h"
#include "Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h"
#include "Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h"
#include "Plugins/SymbolFile/PDB/SymbolFilePDB.h"
#include "Plugins/SymbolFile/Symtab/SymbolFileSymtab.h"
#include "Plugins/SymbolVendor/ELF/SymbolVendorELF.h"
#include "Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h"
#include "Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h"
#include "Plugins/UnwindAssembly/x86/UnwindAssembly-x86.h"
#if defined(__APPLE__)
#include "Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.h"
#include "Plugins/Platform/MacOSX/PlatformAppleTVSimulator.h"
#include "Plugins/Platform/MacOSX/PlatformAppleWatchSimulator.h"
#include "Plugins/Platform/MacOSX/PlatformDarwinKernel.h"
#include "Plugins/Platform/MacOSX/PlatformRemoteAppleBridge.h"
#include "Plugins/Platform/MacOSX/PlatformRemoteAppleTV.h"
#include "Plugins/Platform/MacOSX/PlatformRemoteAppleWatch.h"
#include "Plugins/Platform/MacOSX/PlatformiOSSimulator.h"
#include "Plugins/Process/MacOSX-Kernel/ProcessKDP.h"
#include "Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.h"
#endif
#include "Plugins/StructuredData/DarwinLog/StructuredDataDarwinLog.h"
#if defined(__FreeBSD__)
#include "Plugins/Process/FreeBSD/ProcessFreeBSD.h"
#endif
#if defined(_WIN32)
#include "Plugins/Process/Windows/Common/ProcessWindows.h"
#include "lldb/Host/windows/windows.h"
#endif
#include "llvm/Support/TargetSelect.h"
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wglobal-constructors"
#include "llvm/ExecutionEngine/MCJIT.h"
#pragma clang diagnostic pop
#include <string>
using namespace lldb_private;
SystemInitializerFull::SystemInitializerFull() {}
SystemInitializerFull::~SystemInitializerFull() {}
llvm::Error SystemInitializerFull::Initialize() {
if (auto e = SystemInitializerCommon::Initialize())
return e;
breakpad::ObjectFileBreakpad::Initialize();
ObjectFileELF::Initialize();
ObjectFileMachO::Initialize();
ObjectFilePECOFF::Initialize();
ObjectContainerBSDArchive::Initialize();
ObjectContainerUniversalMachO::Initialize();
ScriptInterpreterNone::Initialize();
#ifndef LLDB_DISABLE_PYTHON
OperatingSystemPython::Initialize();
#endif
#if !defined(LLDB_DISABLE_PYTHON)
ScriptInterpreterPython::Initialize();
#endif
platform_freebsd::PlatformFreeBSD::Initialize();
platform_linux::PlatformLinux::Initialize();
platform_netbsd::PlatformNetBSD::Initialize();
platform_openbsd::PlatformOpenBSD::Initialize();
PlatformWindows::Initialize();
platform_android::PlatformAndroid::Initialize();
PlatformRemoteiOS::Initialize();
PlatformMacOSX::Initialize();
#if defined(__APPLE__)
PlatformiOSSimulator::Initialize();
PlatformDarwinKernel::Initialize();
#endif
// Initialize LLVM and Clang
llvm::InitializeAllTargets();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllDisassemblers();
ClangASTContext::Initialize();
#ifdef LLVM_TARGET_AArch64_BUILT
ABIMacOSX_arm64::Initialize();
ABISysV_arm64::Initialize();
#endif
#ifdef LLVM_TARGET_ARM_BUILT
ABIMacOSX_arm::Initialize();
ABISysV_arm::Initialize();
#endif
#ifdef LLVM_TARGET_Hexagon_BUILT
ABISysV_hexagon::Initialize();
#endif
#ifdef LLVM_TARGET_Mips_BUILT
ABISysV_mips::Initialize();
ABISysV_mips64::Initialize();
#endif
#ifdef LLVM_TARGET_PowerPC_BUILT
ABISysV_ppc::Initialize();
ABISysV_ppc64::Initialize();
#endif
#ifdef LLVM_TARGET_SystemZ_BUILT
ABISysV_s390x::Initialize();
#endif
#ifdef LLVM_TARGET_X86_BUILT
ABIMacOSX_i386::Initialize();
ABISysV_i386::Initialize();
ABISysV_x86_64::Initialize();
ABIWindows_x86_64::Initialize();
#endif
ArchitectureArm::Initialize();
ArchitectureMips::Initialize();
ArchitecturePPC64::Initialize();
DisassemblerLLVMC::Initialize();
JITLoaderGDB::Initialize();
ProcessElfCore::Initialize();
ProcessMachCore::Initialize();
minidump::ProcessMinidump::Initialize();
MemoryHistoryASan::Initialize();
AddressSanitizerRuntime::Initialize();
ThreadSanitizerRuntime::Initialize();
UndefinedBehaviorSanitizerRuntime::Initialize();
MainThreadCheckerRuntime::Initialize();
SymbolVendorELF::Initialize();
breakpad::SymbolFileBreakpad::Initialize();
SymbolFileDWARF::Initialize();
SymbolFilePDB::Initialize();
SymbolFileSymtab::Initialize();
UnwindAssemblyInstEmulation::Initialize();
UnwindAssembly_x86::Initialize();
EmulateInstructionARM::Initialize();
EmulateInstructionARM64::Initialize();
EmulateInstructionMIPS::Initialize();
EmulateInstructionMIPS64::Initialize();
EmulateInstructionPPC64::Initialize();
SymbolFileDWARFDebugMap::Initialize();
ItaniumABILanguageRuntime::Initialize();
AppleObjCRuntimeV2::Initialize();
AppleObjCRuntimeV1::Initialize();
SystemRuntimeMacOSX::Initialize();
RenderScriptRuntime::Initialize();
CPlusPlusLanguage::Initialize();
ObjCLanguage::Initialize();
ObjCPlusPlusLanguage::Initialize();
#if defined(_WIN32)
ProcessWindows::Initialize();
#endif
#if defined(__FreeBSD__)
ProcessFreeBSD::Initialize();
#endif
#if defined(__APPLE__)
SymbolVendorMacOSX::Initialize();
ProcessKDP::Initialize();
PlatformAppleTVSimulator::Initialize();
PlatformAppleWatchSimulator::Initialize();
PlatformRemoteAppleTV::Initialize();
PlatformRemoteAppleWatch::Initialize();
PlatformRemoteAppleBridge::Initialize();
DynamicLoaderDarwinKernel::Initialize();
#endif
// This plugin is valid on any host that talks to a Darwin remote. It
// shouldn't be limited to __APPLE__.
StructuredDataDarwinLog::Initialize();
// Platform agnostic plugins
platform_gdb_server::PlatformRemoteGDBServer::Initialize();
process_gdb_remote::ProcessGDBRemote::Initialize();
DynamicLoaderMacOSXDYLD::Initialize();
DynamicLoaderMacOS::Initialize();
DynamicLoaderPOSIXDYLD::Initialize();
DynamicLoaderStatic::Initialize();
DynamicLoaderWindowsDYLD::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();
return llvm::Error::success();
}
void SystemInitializerFull::Terminate() {
static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
Timer scoped_timer(func_cat, LLVM_PRETTY_FUNCTION);
Debugger::SettingsTerminate();
// Terminate and unload and loaded system or user LLDB plug-ins
PluginManager::Terminate();
ClangASTContext::Terminate();
ArchitectureArm::Terminate();
ArchitectureMips::Terminate();
ArchitecturePPC64::Terminate();
#ifdef LLVM_TARGET_AArch64_BUILT
ABIMacOSX_arm64::Terminate();
ABISysV_arm64::Terminate();
#endif
#ifdef LLVM_TARGET_ARM_BUILT
ABIMacOSX_arm::Terminate();
ABISysV_arm::Terminate();
#endif
#ifdef LLVM_TARGET_Hexagon_BUILT
ABISysV_hexagon::Terminate();
#endif
#ifdef LLVM_TARGET_Mips_BUILT
ABISysV_mips::Terminate();
ABISysV_mips64::Terminate();
#endif
#ifdef LLVM_TARGET_PowerPC_BUILT
ABISysV_ppc::Terminate();
ABISysV_ppc64::Terminate();
#endif
#ifdef LLVM_TARGET_SystemZ_BUILT
ABISysV_s390x::Terminate();
#endif
#ifdef LLVM_TARGET_X86_BUILT
ABIMacOSX_i386::Terminate();
ABISysV_i386::Terminate();
ABISysV_x86_64::Terminate();
ABIWindows_x86_64::Terminate();
#endif
DisassemblerLLVMC::Terminate();
JITLoaderGDB::Terminate();
ProcessElfCore::Terminate();
ProcessMachCore::Terminate();
minidump::ProcessMinidump::Terminate();
MemoryHistoryASan::Terminate();
AddressSanitizerRuntime::Terminate();
ThreadSanitizerRuntime::Terminate();
UndefinedBehaviorSanitizerRuntime::Terminate();
MainThreadCheckerRuntime::Terminate();
SymbolVendorELF::Terminate();
breakpad::SymbolFileBreakpad::Terminate();
SymbolFileDWARF::Terminate();
SymbolFilePDB::Terminate();
SymbolFileSymtab::Terminate();
UnwindAssembly_x86::Terminate();
UnwindAssemblyInstEmulation::Terminate();
EmulateInstructionARM::Terminate();
EmulateInstructionARM64::Terminate();
EmulateInstructionMIPS::Terminate();
EmulateInstructionMIPS64::Terminate();
EmulateInstructionPPC64::Terminate();
SymbolFileDWARFDebugMap::Terminate();
ItaniumABILanguageRuntime::Terminate();
AppleObjCRuntimeV2::Terminate();
AppleObjCRuntimeV1::Terminate();
SystemRuntimeMacOSX::Terminate();
RenderScriptRuntime::Terminate();
CPlusPlusLanguage::Terminate();
ObjCLanguage::Terminate();
ObjCPlusPlusLanguage::Terminate();
#if defined(__APPLE__)
DynamicLoaderDarwinKernel::Terminate();
ProcessKDP::Terminate();
SymbolVendorMacOSX::Terminate();
PlatformAppleTVSimulator::Terminate();
PlatformAppleWatchSimulator::Terminate();
PlatformRemoteAppleTV::Terminate();
PlatformRemoteAppleWatch::Terminate();
PlatformRemoteAppleBridge::Terminate();
#endif
#if defined(__FreeBSD__)
ProcessFreeBSD::Terminate();
#endif
Debugger::SettingsTerminate();
platform_gdb_server::PlatformRemoteGDBServer::Terminate();
process_gdb_remote::ProcessGDBRemote::Terminate();
StructuredDataDarwinLog::Terminate();
DynamicLoaderMacOSXDYLD::Terminate();
DynamicLoaderMacOS::Terminate();
DynamicLoaderPOSIXDYLD::Terminate();
DynamicLoaderStatic::Terminate();
DynamicLoaderWindowsDYLD::Terminate();
#ifndef LLDB_DISABLE_PYTHON
OperatingSystemPython::Terminate();
#endif
platform_freebsd::PlatformFreeBSD::Terminate();
platform_linux::PlatformLinux::Terminate();
platform_netbsd::PlatformNetBSD::Terminate();
platform_openbsd::PlatformOpenBSD::Terminate();
PlatformWindows::Terminate();
platform_android::PlatformAndroid::Terminate();
PlatformMacOSX::Terminate();
PlatformRemoteiOS::Terminate();
#if defined(__APPLE__)
PlatformiOSSimulator::Terminate();
PlatformDarwinKernel::Terminate();
#endif
breakpad::ObjectFileBreakpad::Terminate();
ObjectFileELF::Terminate();
ObjectFileMachO::Terminate();
ObjectFilePECOFF::Terminate();
ObjectContainerBSDArchive::Terminate();
ObjectContainerUniversalMachO::Terminate();
// Now shutdown the common parts, in reverse order.
SystemInitializerCommon::Terminate();
}