2009-06-24 01:39:15 +02:00
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//===- lib/MC/MCContext.cpp - Machine Code Context ------------------------===//
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2009-06-24 00:01:43 +02:00
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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 "llvm/MC/MCContext.h"
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2012-12-03 17:50:05 +01:00
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/Twine.h"
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2010-03-11 23:56:10 +01:00
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#include "llvm/MC/MCAsmInfo.h"
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2012-12-03 17:50:05 +01:00
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#include "llvm/MC/MCDwarf.h"
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#include "llvm/MC/MCLabel.h"
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2011-07-20 07:58:47 +02:00
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#include "llvm/MC/MCObjectFileInfo.h"
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2011-07-18 22:57:22 +02:00
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#include "llvm/MC/MCRegisterInfo.h"
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2010-05-07 19:17:41 +02:00
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#include "llvm/MC/MCSectionCOFF.h"
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2012-12-03 17:50:05 +01:00
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#include "llvm/MC/MCSectionELF.h"
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#include "llvm/MC/MCSectionMachO.h"
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2009-06-24 00:01:43 +02:00
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#include "llvm/MC/MCSymbol.h"
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2011-01-23 05:28:49 +01:00
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#include "llvm/Support/ELF.h"
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2012-01-27 00:20:11 +01:00
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#include "llvm/Support/ErrorHandling.h"
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2013-06-14 22:26:58 +02:00
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#include "llvm/Support/FileSystem.h"
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2012-12-18 01:31:01 +01:00
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#include "llvm/Support/MemoryBuffer.h"
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2012-01-27 00:20:11 +01:00
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#include "llvm/Support/Signals.h"
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2012-12-03 17:50:05 +01:00
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#include "llvm/Support/SourceMgr.h"
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2013-10-23 01:41:52 +02:00
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#include <map>
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2009-06-24 00:01:43 +02:00
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using namespace llvm;
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2013-10-23 01:41:52 +02:00
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typedef std::pair<std::string, std::string> SectionGroupPair;
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2010-04-08 22:30:37 +02:00
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typedef StringMap<const MCSectionMachO*> MachOUniqueMapTy;
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2013-10-23 01:41:52 +02:00
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typedef std::map<SectionGroupPair, const MCSectionELF *> ELFUniqueMapTy;
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2010-05-07 19:17:41 +02:00
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typedef StringMap<const MCSectionCOFF*> COFFUniqueMapTy;
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2010-04-08 22:30:37 +02:00
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2013-06-18 09:20:20 +02:00
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MCContext::MCContext(const MCAsmInfo *mai, const MCRegisterInfo *mri,
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2012-12-06 23:12:44 +01:00
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const MCObjectFileInfo *mofi, const SourceMgr *mgr,
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2012-12-18 01:42:26 +01:00
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bool DoAutoReset) :
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2012-01-27 00:20:05 +01:00
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SrcMgr(mgr), MAI(mai), MRI(mri), MOFI(mofi),
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2011-04-18 07:02:31 +02:00
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Allocator(), Symbols(Allocator), UsedNames(Allocator),
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2012-12-17 22:32:42 +01:00
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NextUniqueID(0),
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2012-12-12 23:59:46 +01:00
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CurrentDwarfLoc(0,0,0,DWARF2_FLAG_IS_STMT,0,0),
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DwarfLocSeen(false), GenDwarfForAssembly(false), GenDwarfFileNumber(0),
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2013-02-05 22:52:47 +01:00
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AllowTemporaryLabels(true), DwarfCompileUnitID(0), AutoReset(DoAutoReset) {
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2012-12-12 23:59:46 +01:00
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2013-06-14 22:26:58 +02:00
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error_code EC = llvm::sys::fs::current_path(CompilationDir);
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assert(!EC && "Could not determine the current directory");
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2013-06-16 13:29:48 +02:00
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(void)EC;
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2013-06-14 22:26:58 +02:00
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2010-04-08 22:30:37 +02:00
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MachOUniquingMap = 0;
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2010-04-08 23:26:26 +02:00
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ELFUniquingMap = 0;
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2010-05-07 19:17:41 +02:00
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COFFUniquingMap = 0;
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2010-06-28 23:45:58 +02:00
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SecureLogFile = getenv("AS_SECURE_LOG_FILE");
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SecureLog = 0;
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SecureLogUsed = false;
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2012-12-18 01:31:01 +01:00
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if (SrcMgr && SrcMgr->getNumBuffers() > 0)
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MainFileName = SrcMgr->getMemoryBuffer(0)->getBufferIdentifier();
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else
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MainFileName = "";
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2009-06-24 00:01:43 +02:00
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}
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2012-12-06 03:00:13 +01:00
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MCContext::~MCContext() {
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2012-12-06 23:12:44 +01:00
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2012-12-12 23:59:46 +01:00
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if (AutoReset)
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reset();
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2012-12-06 23:12:44 +01:00
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2012-12-06 03:00:13 +01:00
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// NOTE: The symbols are all allocated out of a bump pointer allocator,
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// we don't need to free them here.
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2012-12-06 23:12:44 +01:00
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// If the stream for the .secure_log_unique directive was created free it.
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delete (raw_ostream*)SecureLog;
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}
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//===----------------------------------------------------------------------===//
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// Module Lifetime Management
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//===----------------------------------------------------------------------===//
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2012-12-12 23:59:46 +01:00
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void MCContext::reset() {
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2012-12-06 23:12:44 +01:00
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UsedNames.clear();
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Symbols.clear();
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Allocator.Reset();
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Instances.clear();
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2013-03-07 02:42:00 +01:00
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MCDwarfFilesCUMap.clear();
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MCDwarfDirsCUMap.clear();
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2012-12-06 23:12:44 +01:00
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MCGenDwarfLabelEntries.clear();
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DwarfDebugFlags = StringRef();
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MCLineSections.clear();
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MCLineSectionOrder.clear();
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2013-02-20 01:10:29 +01:00
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DwarfCompileUnitID = 0;
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MCLineTableSymbols.clear();
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2012-12-06 23:12:44 +01:00
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CurrentDwarfLoc = MCDwarfLoc(0,0,0,DWARF2_FLAG_IS_STMT,0,0);
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2010-11-26 05:16:08 +01:00
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2010-04-08 22:30:37 +02:00
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// If we have the MachO uniquing map, free it.
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delete (MachOUniqueMapTy*)MachOUniquingMap;
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2010-04-08 23:26:26 +02:00
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delete (ELFUniqueMapTy*)ELFUniquingMap;
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2010-05-07 19:17:41 +02:00
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delete (COFFUniqueMapTy*)COFFUniquingMap;
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2012-12-06 23:12:44 +01:00
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MachOUniquingMap = 0;
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ELFUniquingMap = 0;
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COFFUniquingMap = 0;
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2012-12-12 23:59:46 +01:00
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NextUniqueID = 0;
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AllowTemporaryLabels = true;
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DwarfLocSeen = false;
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GenDwarfForAssembly = false;
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GenDwarfFileNumber = 0;
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2009-06-24 00:01:43 +02:00
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}
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2010-04-08 22:30:37 +02:00
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//===----------------------------------------------------------------------===//
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// Symbol Manipulation
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//===----------------------------------------------------------------------===//
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2010-03-30 20:10:53 +02:00
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MCSymbol *MCContext::GetOrCreateSymbol(StringRef Name) {
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2010-03-10 02:29:27 +01:00
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assert(!Name.empty() && "Normal symbols cannot be unnamed!");
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2010-11-26 05:16:08 +01:00
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2010-03-15 07:15:35 +01:00
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// Do the lookup and get the entire StringMapEntry. We want access to the
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// key if we are creating the entry.
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StringMapEntry<MCSymbol*> &Entry = Symbols.GetOrCreateValue(Name);
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2010-12-01 21:46:11 +01:00
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MCSymbol *Sym = Entry.getValue();
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if (Sym)
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return Sym;
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Sym = CreateSymbol(Name);
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Entry.setValue(Sym);
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return Sym;
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}
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MCSymbol *MCContext::CreateSymbol(StringRef Name) {
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2011-03-29 00:49:15 +02:00
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// Determine whether this is an assembler temporary or normal label, if used.
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bool isTemporary = false;
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if (AllowTemporaryLabels)
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2013-06-18 09:20:20 +02:00
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isTemporary = Name.startswith(MAI->getPrivateGlobalPrefix());
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2010-12-01 21:46:11 +01:00
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StringMapEntry<bool> *NameEntry = &UsedNames.GetOrCreateValue(Name);
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if (NameEntry->getValue()) {
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assert(isTemporary && "Cannot rename non temporary symbols");
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2011-04-09 13:26:27 +02:00
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SmallString<128> NewName = Name;
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2010-12-01 21:46:11 +01:00
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do {
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2011-04-09 13:26:27 +02:00
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NewName.resize(Name.size());
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raw_svector_ostream(NewName) << NextUniqueID++;
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NameEntry = &UsedNames.GetOrCreateValue(NewName);
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2010-12-01 21:46:11 +01:00
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} while (NameEntry->getValue());
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}
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NameEntry->setValue(true);
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2009-06-24 06:31:49 +02:00
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2010-03-15 07:15:35 +01:00
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// Ok, the entry doesn't already exist. Have the MCSymbol object itself refer
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2010-12-01 21:46:11 +01:00
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// to the copy of the string that is embedded in the UsedNames entry.
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MCSymbol *Result = new (*this) MCSymbol(NameEntry->getKey(), isTemporary);
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return Result;
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2009-06-24 06:31:49 +02:00
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}
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2010-03-30 20:10:53 +02:00
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MCSymbol *MCContext::GetOrCreateSymbol(const Twine &Name) {
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2009-10-20 00:49:00 +02:00
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SmallString<128> NameSV;
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Name.toVector(NameSV);
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2010-03-30 20:10:53 +02:00
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return GetOrCreateSymbol(NameSV.str());
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2009-10-20 00:49:00 +02:00
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}
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2010-03-14 09:23:30 +01:00
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MCSymbol *MCContext::CreateTempSymbol() {
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2010-12-01 21:46:11 +01:00
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SmallString<128> NameSV;
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2011-04-09 13:26:27 +02:00
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raw_svector_ostream(NameSV)
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2013-06-18 09:20:20 +02:00
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<< MAI->getPrivateGlobalPrefix() << "tmp" << NextUniqueID++;
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2010-12-01 21:46:11 +01:00
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return CreateSymbol(NameSV);
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2010-03-10 02:29:27 +01:00
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}
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2010-05-18 01:08:19 +02:00
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unsigned MCContext::NextInstance(int64_t LocalLabelVal) {
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2010-05-18 14:15:34 +02:00
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MCLabel *&Label = Instances[LocalLabelVal];
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if (!Label)
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Label = new (*this) MCLabel(0);
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return Label->incInstance();
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2010-05-18 01:08:19 +02:00
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}
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unsigned MCContext::GetInstance(int64_t LocalLabelVal) {
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2010-05-18 14:15:34 +02:00
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MCLabel *&Label = Instances[LocalLabelVal];
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if (!Label)
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Label = new (*this) MCLabel(0);
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return Label->getInstance();
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2010-05-18 01:08:19 +02:00
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}
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MCSymbol *MCContext::CreateDirectionalLocalSymbol(int64_t LocalLabelVal) {
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2013-06-18 09:20:20 +02:00
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return GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix()) +
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2010-05-18 01:08:19 +02:00
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Twine(LocalLabelVal) +
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"\2" +
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2010-07-12 10:16:59 +02:00
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Twine(NextInstance(LocalLabelVal)));
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2010-05-18 01:08:19 +02:00
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}
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MCSymbol *MCContext::GetDirectionalLocalSymbol(int64_t LocalLabelVal,
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int bORf) {
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2013-06-18 09:20:20 +02:00
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return GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix()) +
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2010-05-18 01:08:19 +02:00
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Twine(LocalLabelVal) +
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"\2" +
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2010-07-12 10:16:59 +02:00
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Twine(GetInstance(LocalLabelVal) + bORf));
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2010-05-18 01:08:19 +02:00
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}
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2009-11-06 11:58:06 +01:00
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MCSymbol *MCContext::LookupSymbol(StringRef Name) const {
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2009-06-24 00:01:43 +02:00
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return Symbols.lookup(Name);
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}
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2010-04-08 22:30:37 +02:00
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2012-09-18 19:10:37 +02:00
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MCSymbol *MCContext::LookupSymbol(const Twine &Name) const {
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SmallString<128> NameSV;
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Name.toVector(NameSV);
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return LookupSymbol(NameSV.str());
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}
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2010-04-08 22:30:37 +02:00
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//===----------------------------------------------------------------------===//
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// Section Management
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//===----------------------------------------------------------------------===//
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const MCSectionMachO *MCContext::
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getMachOSection(StringRef Segment, StringRef Section,
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unsigned TypeAndAttributes,
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unsigned Reserved2, SectionKind Kind) {
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2010-11-26 05:16:08 +01:00
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2010-04-08 22:30:37 +02:00
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// We unique sections by their segment/section pair. The returned section
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// may not have the same flags as the requested section, if so this should be
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// diagnosed by the client as an error.
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2010-11-26 05:16:08 +01:00
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2010-04-08 22:30:37 +02:00
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// Create the map if it doesn't already exist.
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if (MachOUniquingMap == 0)
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MachOUniquingMap = new MachOUniqueMapTy();
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MachOUniqueMapTy &Map = *(MachOUniqueMapTy*)MachOUniquingMap;
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2010-11-26 05:16:08 +01:00
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2010-04-08 22:30:37 +02:00
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// Form the name to look up.
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SmallString<64> Name;
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Name += Segment;
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Name.push_back(',');
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Name += Section;
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2010-11-26 05:16:08 +01:00
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2010-04-08 22:30:37 +02:00
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// Do the lookup, if we have a hit, return it.
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const MCSectionMachO *&Entry = Map[Name.str()];
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if (Entry) return Entry;
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2010-11-26 05:16:08 +01:00
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2010-04-08 22:30:37 +02:00
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// Otherwise, return a new section.
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2010-04-08 23:26:26 +02:00
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return Entry = new (*this) MCSectionMachO(Segment, Section, TypeAndAttributes,
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Reserved2, Kind);
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2010-04-08 22:30:37 +02:00
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}
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2010-04-08 23:26:26 +02:00
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2010-11-10 20:05:07 +01:00
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const MCSectionELF *MCContext::
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2010-04-08 23:26:26 +02:00
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getELFSection(StringRef Section, unsigned Type, unsigned Flags,
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2010-11-11 19:13:52 +01:00
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SectionKind Kind) {
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return getELFSection(Section, Type, Flags, Kind, 0, "");
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}
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const MCSectionELF *MCContext::
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getELFSection(StringRef Section, unsigned Type, unsigned Flags,
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SectionKind Kind, unsigned EntrySize, StringRef Group) {
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2010-04-08 23:26:26 +02:00
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if (ELFUniquingMap == 0)
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ELFUniquingMap = new ELFUniqueMapTy();
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ELFUniqueMapTy &Map = *(ELFUniqueMapTy*)ELFUniquingMap;
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2010-11-26 05:16:08 +01:00
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2010-04-08 23:26:26 +02:00
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// Do the lookup, if we have a hit, return it.
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2013-10-23 01:41:52 +02:00
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std::pair<ELFUniqueMapTy::iterator, bool> Entry = Map.insert(
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std::make_pair(SectionGroupPair(Section, Group), (MCSectionELF *)0));
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if (!Entry.second) return Entry.first->second;
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2010-11-26 05:16:08 +01:00
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2010-09-30 07:59:22 +02:00
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// Possibly refine the entry size first.
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if (!EntrySize) {
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EntrySize = MCSectionELF::DetermineEntrySize(Kind);
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}
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2010-11-11 19:13:52 +01:00
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MCSymbol *GroupSym = NULL;
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if (!Group.empty())
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GroupSym = GetOrCreateSymbol(Group);
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2013-10-23 01:41:52 +02:00
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MCSectionELF *Result = new (*this) MCSectionELF(
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Entry.first->first.first, Type, Flags, Kind, EntrySize, GroupSym);
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Entry.first->second = Result;
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2010-04-08 23:26:26 +02:00
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return Result;
|
|
|
|
}
|
|
|
|
|
2010-11-11 19:13:52 +01:00
|
|
|
const MCSectionELF *MCContext::CreateELFGroupSection() {
|
|
|
|
MCSectionELF *Result =
|
2011-01-23 05:28:49 +01:00
|
|
|
new (*this) MCSectionELF(".group", ELF::SHT_GROUP, 0,
|
2010-11-11 19:13:52 +01:00
|
|
|
SectionKind::getReadOnly(), 4, NULL);
|
|
|
|
return Result;
|
|
|
|
}
|
|
|
|
|
2013-07-06 14:13:10 +02:00
|
|
|
const MCSectionCOFF *MCContext::getCOFFSection(StringRef Section,
|
|
|
|
unsigned Characteristics,
|
|
|
|
SectionKind Kind, int Selection,
|
|
|
|
const MCSectionCOFF *Assoc) {
|
2010-05-07 19:17:41 +02:00
|
|
|
if (COFFUniquingMap == 0)
|
|
|
|
COFFUniquingMap = new COFFUniqueMapTy();
|
|
|
|
COFFUniqueMapTy &Map = *(COFFUniqueMapTy*)COFFUniquingMap;
|
2010-11-26 05:16:08 +01:00
|
|
|
|
2010-05-07 19:17:41 +02:00
|
|
|
// Do the lookup, if we have a hit, return it.
|
|
|
|
StringMapEntry<const MCSectionCOFF*> &Entry = Map.GetOrCreateValue(Section);
|
|
|
|
if (Entry.getValue()) return Entry.getValue();
|
2010-11-26 05:16:08 +01:00
|
|
|
|
2010-05-07 23:49:09 +02:00
|
|
|
MCSectionCOFF *Result = new (*this) MCSectionCOFF(Entry.getKey(),
|
|
|
|
Characteristics,
|
2013-07-06 14:13:10 +02:00
|
|
|
Selection, Assoc, Kind);
|
2010-11-26 05:16:08 +01:00
|
|
|
|
2010-05-07 19:17:41 +02:00
|
|
|
Entry.setValue(Result);
|
|
|
|
return Result;
|
|
|
|
}
|
2010-07-28 22:55:35 +02:00
|
|
|
|
2013-07-06 14:13:10 +02:00
|
|
|
const MCSectionCOFF *MCContext::getCOFFSection(StringRef Section) {
|
|
|
|
if (COFFUniquingMap == 0)
|
|
|
|
COFFUniquingMap = new COFFUniqueMapTy();
|
|
|
|
COFFUniqueMapTy &Map = *(COFFUniqueMapTy*)COFFUniquingMap;
|
|
|
|
|
|
|
|
return Map.lookup(Section);
|
|
|
|
}
|
|
|
|
|
2010-07-28 22:55:35 +02:00
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Dwarf Management
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
/// GetDwarfFile - takes a file name an number to place in the dwarf file and
|
|
|
|
/// directory tables. If the file number has already been allocated it is an
|
|
|
|
/// error and zero is returned and the client reports the error, else the
|
|
|
|
/// allocated file number is returned. The file numbers may be in any order.
|
2011-10-18 01:05:28 +02:00
|
|
|
unsigned MCContext::GetDwarfFile(StringRef Directory, StringRef FileName,
|
2013-03-07 02:42:00 +01:00
|
|
|
unsigned FileNumber, unsigned CUID) {
|
2010-07-28 22:55:35 +02:00
|
|
|
// TODO: a FileNumber of zero says to use the next available file number.
|
|
|
|
// Note: in GenericAsmParser::ParseDirectiveFile() FileNumber was checked
|
|
|
|
// to not be less than one. This needs to be change to be not less than zero.
|
|
|
|
|
2013-03-12 21:17:00 +01:00
|
|
|
SmallVectorImpl<MCDwarfFile *>& MCDwarfFiles = MCDwarfFilesCUMap[CUID];
|
|
|
|
SmallVectorImpl<StringRef>& MCDwarfDirs = MCDwarfDirsCUMap[CUID];
|
2010-07-28 22:55:35 +02:00
|
|
|
// Make space for this FileNumber in the MCDwarfFiles vector if needed.
|
|
|
|
if (FileNumber >= MCDwarfFiles.size()) {
|
|
|
|
MCDwarfFiles.resize(FileNumber + 1);
|
|
|
|
} else {
|
|
|
|
MCDwarfFile *&ExistingFile = MCDwarfFiles[FileNumber];
|
|
|
|
if (ExistingFile)
|
|
|
|
// It is an error to use see the same number more than once.
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get the new MCDwarfFile slot for this FileNumber.
|
|
|
|
MCDwarfFile *&File = MCDwarfFiles[FileNumber];
|
|
|
|
|
2011-10-18 01:05:28 +02:00
|
|
|
if (Directory.empty()) {
|
|
|
|
// Separate the directory part from the basename of the FileName.
|
2012-07-03 05:59:29 +02:00
|
|
|
StringRef tFileName = sys::path::filename(FileName);
|
|
|
|
if (!tFileName.empty()) {
|
|
|
|
Directory = sys::path::parent_path(FileName);
|
|
|
|
if (!Directory.empty())
|
2012-07-03 08:01:27 +02:00
|
|
|
FileName = tFileName;
|
2011-11-02 00:39:05 +01:00
|
|
|
}
|
2011-10-18 01:05:28 +02:00
|
|
|
}
|
2010-07-28 22:55:35 +02:00
|
|
|
|
|
|
|
// Find or make a entry in the MCDwarfDirs vector for this Directory.
|
|
|
|
// Capture directory name.
|
2011-10-18 01:05:28 +02:00
|
|
|
unsigned DirIndex;
|
|
|
|
if (Directory.empty()) {
|
|
|
|
// For FileNames with no directories a DirIndex of 0 is used.
|
|
|
|
DirIndex = 0;
|
2010-07-28 22:55:35 +02:00
|
|
|
} else {
|
2011-10-12 22:20:48 +02:00
|
|
|
DirIndex = 0;
|
|
|
|
for (unsigned End = MCDwarfDirs.size(); DirIndex < End; DirIndex++) {
|
2010-07-29 15:53:19 +02:00
|
|
|
if (Directory == MCDwarfDirs[DirIndex])
|
2010-09-01 00:55:11 +02:00
|
|
|
break;
|
2010-07-28 22:55:35 +02:00
|
|
|
}
|
|
|
|
if (DirIndex >= MCDwarfDirs.size()) {
|
2010-07-29 15:53:19 +02:00
|
|
|
char *Buf = static_cast<char *>(Allocate(Directory.size()));
|
|
|
|
memcpy(Buf, Directory.data(), Directory.size());
|
|
|
|
MCDwarfDirs.push_back(StringRef(Buf, Directory.size()));
|
2010-07-28 22:55:35 +02:00
|
|
|
}
|
2010-08-10 00:52:14 +02:00
|
|
|
// The DirIndex is one based, as DirIndex of 0 is used for FileNames with
|
|
|
|
// no directories. MCDwarfDirs[] is unlike MCDwarfFiles[] in that the
|
2011-10-18 01:05:28 +02:00
|
|
|
// directory names are stored at MCDwarfDirs[DirIndex-1] where FileNames
|
|
|
|
// are stored at MCDwarfFiles[FileNumber].Name .
|
2010-08-10 00:52:14 +02:00
|
|
|
DirIndex++;
|
2010-07-28 22:55:35 +02:00
|
|
|
}
|
2010-11-26 05:16:08 +01:00
|
|
|
|
2010-07-28 22:55:35 +02:00
|
|
|
// Now make the MCDwarfFile entry and place it in the slot in the MCDwarfFiles
|
|
|
|
// vector.
|
2011-10-18 01:05:28 +02:00
|
|
|
char *Buf = static_cast<char *>(Allocate(FileName.size()));
|
|
|
|
memcpy(Buf, FileName.data(), FileName.size());
|
|
|
|
File = new (*this) MCDwarfFile(StringRef(Buf, FileName.size()), DirIndex);
|
2010-07-28 22:55:35 +02:00
|
|
|
|
|
|
|
// return the allocated FileNumber.
|
|
|
|
return FileNumber;
|
|
|
|
}
|
2010-08-24 22:32:42 +02:00
|
|
|
|
2010-10-04 22:17:24 +02:00
|
|
|
/// isValidDwarfFileNumber - takes a dwarf file number and returns true if it
|
2010-08-24 22:32:42 +02:00
|
|
|
/// currently is assigned and false otherwise.
|
2013-03-07 02:42:00 +01:00
|
|
|
bool MCContext::isValidDwarfFileNumber(unsigned FileNumber, unsigned CUID) {
|
2013-03-12 21:17:00 +01:00
|
|
|
SmallVectorImpl<MCDwarfFile *>& MCDwarfFiles = MCDwarfFilesCUMap[CUID];
|
2010-08-24 22:32:42 +02:00
|
|
|
if(FileNumber == 0 || FileNumber >= MCDwarfFiles.size())
|
|
|
|
return false;
|
|
|
|
|
2010-10-04 22:17:24 +02:00
|
|
|
return MCDwarfFiles[FileNumber] != 0;
|
2010-08-24 22:32:42 +02:00
|
|
|
}
|
2012-01-27 00:20:11 +01:00
|
|
|
|
|
|
|
void MCContext::FatalError(SMLoc Loc, const Twine &Msg) {
|
|
|
|
// If we have a source manager and a location, use it. Otherwise just
|
|
|
|
// use the generic report_fatal_error().
|
|
|
|
if (!SrcMgr || Loc == SMLoc())
|
|
|
|
report_fatal_error(Msg);
|
|
|
|
|
|
|
|
// Use the source manager to print the message.
|
|
|
|
SrcMgr->PrintMessage(Loc, SourceMgr::DK_Error, Msg);
|
|
|
|
|
|
|
|
// If we reached here, we are failing ungracefully. Run the interrupt handlers
|
|
|
|
// to make sure any special cleanups get done, in particular that we remove
|
|
|
|
// files registered with RemoveFileOnSignal.
|
|
|
|
sys::RunInterruptHandlers();
|
|
|
|
exit(1);
|
|
|
|
}
|