X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter%2FDwarfDebug.cpp;h=632f1ab58b66682dc0360d3305fc789b5c9ca173;hb=31ed50c225c8de764c899e31ab4e25f242ce0b78;hp=b7463c51682311a054103a8d7461d41a28a55f12;hpb=a486f55569c584d00cfdde43a8755d68cdb68c4f;p=oota-llvm.git diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index b7463c51682..632f1ab58b6 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -183,10 +183,10 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M) AbbreviationsSet(InitAbbreviationsSetSize), SourceIdMap(DIEValueAllocator), PrevLabel(NULL), GlobalCUIndexCount(0), - InfoHolder(A, &AbbreviationsSet, &Abbreviations, "info_string", + InfoHolder(A, &AbbreviationsSet, Abbreviations, "info_string", DIEValueAllocator), SkeletonAbbrevSet(InitAbbreviationsSetSize), - SkeletonHolder(A, &SkeletonAbbrevSet, &SkeletonAbbrevs, "skel_string", + SkeletonHolder(A, &SkeletonAbbrevSet, SkeletonAbbrevs, "skel_string", DIEValueAllocator) { DwarfInfoSectionSym = DwarfAbbrevSectionSym = 0; @@ -279,10 +279,10 @@ void DwarfUnits::assignAbbrevNumber(DIEAbbrev &Abbrev) { // If it's newly added. if (InSet == &Abbrev) { // Add to abbreviation list. - Abbreviations->push_back(&Abbrev); + Abbreviations.push_back(&Abbrev); // Assign the vector position + 1 as its number. - Abbrev.setNumber(Abbreviations->size()); + Abbrev.setNumber(Abbreviations.size()); } else { // Assign existing abbreviation number. Abbrev.setNumber(InSet->getNumber()); @@ -378,9 +378,8 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(CompileUnit *SPCU, // concrete DIE twice. if (DIE *AbsSPDIE = AbstractSPDies.lookup(SPNode)) { // Pick up abstract subprogram DIE. - SPDie = new DIE(dwarf::DW_TAG_subprogram); + SPDie = SPCU->createAndAddDIE(dwarf::DW_TAG_subprogram, *SPCU->getCUDie()); SPCU->addDIEEntry(SPDie, dwarf::DW_AT_abstract_origin, AbsSPDIE); - SPCU->addDie(SPDie); } else { DISubprogram SPDecl = SP.getFunctionDeclaration(); if (!SPDecl.isSubprogram()) { @@ -401,19 +400,19 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(CompileUnit *SPCU, uint16_t SPTag = SPTy.getTag(); if (SPTag == dwarf::DW_TAG_subroutine_type) for (unsigned i = 1, N = Args.getNumElements(); i < N; ++i) { - DIE *Arg = new DIE(dwarf::DW_TAG_formal_parameter); + DIE *Arg = + SPCU->createAndAddDIE(dwarf::DW_TAG_formal_parameter, *SPDie); DIType ATy = DIType(Args.getElement(i)); SPCU->addType(Arg, ATy); if (ATy.isArtificial()) SPCU->addFlag(Arg, dwarf::DW_AT_artificial); if (ATy.isObjectPointer()) SPCU->addDIEEntry(SPDie, dwarf::DW_AT_object_pointer, Arg); - SPDie->addChild(Arg); } DIE *SPDeclDie = SPDie; - SPDie = new DIE(dwarf::DW_TAG_subprogram); + SPDie = + SPCU->createAndAddDIE(dwarf::DW_TAG_subprogram, *SPCU->getCUDie()); SPCU->addDIEEntry(SPDie, dwarf::DW_AT_specification, SPDeclDie); - SPCU->addDie(SPDie); } } } @@ -558,10 +557,10 @@ DIE *DwarfDebug::constructInlinedScopeDIE(CompileUnit *TheCU, // Add the call site information to the DIE. DILocation DL(Scope->getInlinedAt()); - TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_file, 0, + TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_file, None, getOrCreateSourceID(DL.getFilename(), DL.getDirectory(), TheCU->getUniqueID())); - TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_line, 0, DL.getLineNumber()); + TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_line, None, DL.getLineNumber()); // Add name to the name table, we do this here because we're guaranteed // to have concrete versions of our DW_TAG_inlined_subprogram nodes. @@ -822,12 +821,20 @@ CompileUnit *DwarfDebug::constructCompileUnit(const MDNode *N) { InfoHolder.addUnit(NewCU); CUMap.insert(std::make_pair(N, NewCU)); + CUDieMap.insert(std::make_pair(Die, NewCU)); return NewCU; } // Construct subprogram DIE. void DwarfDebug::constructSubprogramDIE(CompileUnit *TheCU, const MDNode *N) { - assert(!SPMap[N] && "Trying to create a subprogram DIE twice!"); + // FIXME: We should only call this routine once, however, during LTO if a + // program is defined in multiple CUs we could end up calling it out of + // beginModule as we walk the CUs. + + CompileUnit *&CURef = SPMap[N]; + if (CURef) + return; + CURef = TheCU; DISubprogram SP(N); if (!SP.isDefinition()) @@ -836,10 +843,9 @@ void DwarfDebug::constructSubprogramDIE(CompileUnit *TheCU, const MDNode *N) { return; DIE *SubprogramDie = TheCU->getOrCreateSubprogramDIE(SP); - SPMap[N] = TheCU; // Expose as a global name. - TheCU->addGlobalName(SP.getName(), SubprogramDie); + TheCU->addGlobalName(SP.getName(), SubprogramDie, resolve(SP.getContext())); } void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU, @@ -880,8 +886,8 @@ void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU, unsigned FileID = getOrCreateSourceID(Module.getContext().getFilename(), Module.getContext().getDirectory(), TheCU->getUniqueID()); - TheCU->addUInt(IMDie, dwarf::DW_AT_decl_file, 0, FileID); - TheCU->addUInt(IMDie, dwarf::DW_AT_decl_line, 0, Module.getLineNumber()); + TheCU->addUInt(IMDie, dwarf::DW_AT_decl_file, None, FileID); + TheCU->addUInt(IMDie, dwarf::DW_AT_decl_line, None, Module.getLineNumber()); TheCU->addDIEEntry(IMDie, dwarf::DW_AT_import, EntityDie); StringRef Name = Module.getName(); if (!Name.empty()) @@ -949,21 +955,20 @@ void DwarfDebug::computeInlinedDIEs() { for (SmallPtrSet::iterator AI = InlinedSubprogramDIEs.begin(), AE = InlinedSubprogramDIEs.end(); AI != AE; ++AI) { DIE *ISP = *AI; - FirstCU->addUInt(ISP, dwarf::DW_AT_inline, 0, dwarf::DW_INL_inlined); + FirstCU->addUInt(ISP, dwarf::DW_AT_inline, None, dwarf::DW_INL_inlined); } for (DenseMap::iterator AI = AbstractSPDies.begin(), AE = AbstractSPDies.end(); AI != AE; ++AI) { DIE *ISP = AI->second; if (InlinedSubprogramDIEs.count(ISP)) continue; - FirstCU->addUInt(ISP, dwarf::DW_AT_inline, 0, dwarf::DW_INL_inlined); + FirstCU->addUInt(ISP, dwarf::DW_AT_inline, None, dwarf::DW_INL_inlined); } } // Collect info for variables that were optimized out. void DwarfDebug::collectDeadVariables() { const Module *M = MMI->getModule(); - DenseMap DeadFnScopeMap; if (NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu")) { for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) { @@ -981,28 +986,25 @@ void DwarfDebug::collectDeadVariables() { if (Variables.getNumElements() == 0) continue; - LexicalScope *Scope = - new LexicalScope(NULL, DIDescriptor(SP), NULL, false); - DeadFnScopeMap[SP] = Scope; - // Construct subprogram DIE and add variables DIEs. CompileUnit *SPCU = CUMap.lookup(TheCU); assert(SPCU && "Unable to find Compile Unit!"); + // FIXME: See the comment in constructSubprogramDIE about duplicate + // subprogram DIEs. + constructSubprogramDIE(SPCU, SP); DIE *SPDIE = SPCU->getDIE(SP); - assert(SPDIE && "Subprogram wasn't created?"); for (unsigned vi = 0, ve = Variables.getNumElements(); vi != ve; ++vi) { DIVariable DV(Variables.getElement(vi)); if (!DV.isVariable()) continue; DbgVariable NewVar(DV, NULL, this); if (DIE *VariableDIE = - SPCU->constructVariableDIE(&NewVar, Scope->isAbstractScope())) + SPCU->constructVariableDIE(&NewVar, false)) SPDIE->addChild(VariableDIE); } } } } - DeleteContainerSeconds(DeadFnScopeMap); } // Type Signature [7.27] and ODR Hash code. @@ -1060,7 +1062,7 @@ void DwarfDebug::finalizeModuleInfo() { if (GenerateODRHash && shouldAddODRHash(CUMap.begin()->second, Die)) CUMap.begin()->second->addUInt(Die, dwarf::DW_AT_GNU_odr_signature, dwarf::DW_FORM_data8, - Hash.computeDIEODRSignature(Die)); + Hash.computeDIEODRSignature(*Die)); } // Handle anything that needs to be done on a per-cu basis. @@ -1078,7 +1080,7 @@ void DwarfDebug::finalizeModuleInfo() { uint64_t ID = 0; if (GenerateCUHash) { DIEHash CUHash; - ID = CUHash.computeCUSignature(TheCU->getCUDie()); + ID = CUHash.computeCUSignature(*TheCU->getCUDie()); } // This should be a unique identifier when we want to build .dwp files. TheCU->addUInt(TheCU->getCUDie(), dwarf::DW_AT_GNU_dwo_id, @@ -1593,13 +1595,25 @@ static DebugLoc getFnDebugLoc(DebugLoc DL, const LLVMContext &Ctx) { // Gather pre-function debug information. Assumes being called immediately // after the function entry point has been emitted. void DwarfDebug::beginFunction(const MachineFunction *MF) { - if (!MMI->hasDebugInfo()) return; + + // If there's no debug info for the function we're not going to do anything. + if (!MMI->hasDebugInfo()) + return; + + // Grab the lexical scopes for the function, if we don't have any of those + // then we're not going to be able to do anything. LScopes.initialize(*MF); - if (LScopes.empty()) return; + if (LScopes.empty()) + return; + + assert(UserVariables.empty() && DbgValues.empty() && "Maps weren't cleaned"); + + // Make sure that each lexical scope will have a begin/end label. identifyScopeMarkers(); // Set DwarfCompileUnitID in MCContext to the Compile Unit this function - // belongs to. + // belongs to so that we add to the correct per-cu line table in the + // non-asm case. LexicalScope *FnScope = LScopes.getCurrentFunctionScope(); CompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode()); assert(TheCU && "Unable to find compile unit!"); @@ -1609,19 +1623,17 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { else Asm->OutStreamer.getContext().setDwarfCompileUnitID(TheCU->getUniqueID()); - FunctionBeginSym = Asm->GetTempSymbol("func_begin", - Asm->getFunctionNumber()); + // Emit a label for the function so that we have a beginning address. + FunctionBeginSym = Asm->GetTempSymbol("func_begin", Asm->getFunctionNumber()); // Assumes in correct section after the entry point. Asm->OutStreamer.EmitLabel(FunctionBeginSym); - assert(UserVariables.empty() && DbgValues.empty() && "Maps weren't cleaned"); - const TargetRegisterInfo *TRI = Asm->TM.getRegisterInfo(); // LiveUserVar - Map physreg numbers to the MDNode they contain. - std::vector LiveUserVar(TRI->getNumRegs()); + std::vector LiveUserVar(TRI->getNumRegs()); - for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); - I != E; ++I) { + for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); I != E; + ++I) { bool AtBlockEntry = true; for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end(); II != IE; ++II) { @@ -1632,14 +1644,14 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { // Keep track of user variables. const MDNode *Var = - MI->getOperand(MI->getNumOperands() - 1).getMetadata(); + MI->getOperand(MI->getNumOperands() - 1).getMetadata(); // Variable is in a register, we need to check for clobbers. if (isDbgValueInDefinedReg(MI)) LiveUserVar[MI->getOperand(0).getReg()] = Var; // Check the history of this variable. - SmallVectorImpl &History = DbgValues[Var]; + SmallVectorImpl &History = DbgValues[Var]; if (History.empty()) { UserVariables.push_back(Var); // The first mention of a function argument gets the FunctionBeginSym @@ -1647,7 +1659,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { DIVariable DV(Var); if (DV.isVariable() && DV.getTag() == dwarf::DW_TAG_arg_variable && DISubprogram(getDISubprogram(DV.getContext())) - .describes(MF->getFunction())) + .describes(MF->getFunction())) LabelsBeforeInsn[MI] = FunctionBeginSym; } else { // We have seen this variable before. Try to coalesce DBG_VALUEs. @@ -1657,8 +1669,8 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { if (History.size() >= 2 && Prev->isIdenticalTo(History[History.size() - 2])) { DEBUG(dbgs() << "Coalescing identical DBG_VALUE entries:\n" - << "\t" << *Prev - << "\t" << *History[History.size() - 2] << "\n"); + << "\t" << *Prev << "\t" + << *History[History.size() - 2] << "\n"); History.pop_back(); } @@ -1669,11 +1681,11 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { // Previous register assignment needs to terminate at the end of // its basic block. MachineBasicBlock::const_iterator LastMI = - PrevMBB->getLastNonDebugInstr(); + PrevMBB->getLastNonDebugInstr(); if (LastMI == PrevMBB->end()) { // Drop DBG_VALUE for empty range. DEBUG(dbgs() << "Dropping DBG_VALUE for empty range:\n" - << "\t" << *Prev << "\n"); + << "\t" << *Prev << "\n"); History.pop_back(); } else if (llvm::next(PrevMBB) != PrevMBB->getParent()->end()) // Terminate after LastMI. @@ -1695,11 +1707,12 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { // Check if the instruction clobbers any registers with debug vars. for (MachineInstr::const_mop_iterator MOI = MI->operands_begin(), - MOE = MI->operands_end(); MOI != MOE; ++MOI) { + MOE = MI->operands_end(); + MOI != MOE; ++MOI) { if (!MOI->isReg() || !MOI->isDef() || !MOI->getReg()) continue; - for (MCRegAliasIterator AI(MOI->getReg(), TRI, true); - AI.isValid(); ++AI) { + for (MCRegAliasIterator AI(MOI->getReg(), TRI, true); AI.isValid(); + ++AI) { unsigned Reg = *AI; const MDNode *Var = LiveUserVar[Reg]; if (!Var) @@ -1711,7 +1724,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { DbgValueHistoryMap::iterator HistI = DbgValues.find(Var); if (HistI == DbgValues.end()) continue; - SmallVectorImpl &History = HistI->second; + SmallVectorImpl &History = HistI->second; if (History.empty()) continue; const MachineInstr *Prev = History.back(); @@ -1733,7 +1746,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { for (DbgValueHistoryMap::iterator I = DbgValues.begin(), E = DbgValues.end(); I != E; ++I) { - SmallVectorImpl &History = I->second; + SmallVectorImpl &History = I->second; if (History.empty()) continue; @@ -1742,7 +1755,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { if (Prev->isDebugValue() && isDbgValueInDefinedReg(Prev)) { const MachineBasicBlock *PrevMBB = Prev->getParent(); MachineBasicBlock::const_iterator LastMI = - PrevMBB->getLastNonDebugInstr(); + PrevMBB->getLastNonDebugInstr(); if (LastMI == PrevMBB->end()) // Drop DBG_VALUE for empty range. History.pop_back(); @@ -1766,13 +1779,14 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { // Record beginning of function. if (!PrologEndLoc.isUnknown()) { - DebugLoc FnStartDL = getFnDebugLoc(PrologEndLoc, - MF->getFunction()->getContext()); - recordSourceLine(FnStartDL.getLine(), FnStartDL.getCol(), - FnStartDL.getScope(MF->getFunction()->getContext()), - // We'd like to list the prologue as "not statements" but GDB behaves - // poorly if we do that. Revisit this with caution/GDB (7.5+) testing. - DWARF2_FLAG_IS_STMT); + DebugLoc FnStartDL = + getFnDebugLoc(PrologEndLoc, MF->getFunction()->getContext()); + recordSourceLine( + FnStartDL.getLine(), FnStartDL.getCol(), + FnStartDL.getScope(MF->getFunction()->getContext()), + // We'd like to list the prologue as "not statements" but GDB behaves + // poorly if we do that. Revisit this with caution/GDB (7.5+) testing. + DWARF2_FLAG_IS_STMT); } } @@ -1914,7 +1928,8 @@ void DwarfDebug::recordSourceLine(unsigned Line, unsigned Col, const MDNode *S, // Emit Methods //===----------------------------------------------------------------------===// -// Compute the size and offset of a DIE. +// Compute the size and offset of a DIE. The offset is relative to start of the +// CU. It returns the offset after laying out the DIE. unsigned DwarfUnits::computeSizeAndOffset(DIE *Die, unsigned Offset) { // Get the children. @@ -1925,7 +1940,7 @@ DwarfUnits::computeSizeAndOffset(DIE *Die, unsigned Offset) { // Get the abbreviation for this DIE. unsigned AbbrevNumber = Die->getAbbrevNumber(); - const DIEAbbrev *Abbrev = Abbreviations->at(AbbrevNumber - 1); + const DIEAbbrev *Abbrev = Abbreviations[AbbrevNumber - 1]; // Set DIE offset Die->setOffset(Offset); @@ -1957,17 +1972,25 @@ DwarfUnits::computeSizeAndOffset(DIE *Die, unsigned Offset) { return Offset; } -// Compute the size and offset of all the DIEs. +// Compute the size and offset for each DIE. void DwarfUnits::computeSizeAndOffsets() { - // Offset from the beginning of debug info section. + // Offset from the first CU in the debug info section is 0 initially. + unsigned SecOffset = 0; + + // Iterate over each compile unit and set the size and offsets for each + // DIE within each compile unit. All offsets are CU relative. for (SmallVectorImpl::iterator I = CUs.begin(), E = CUs.end(); I != E; ++I) { - unsigned Offset = - sizeof(int32_t) + // Length of Compilation Unit Info - sizeof(int16_t) + // DWARF version number - sizeof(int32_t) + // Offset Into Abbrev. Section - sizeof(int8_t); // Pointer Size (in bytes) - computeSizeAndOffset((*I)->getCUDie(), Offset); + (*I)->setDebugInfoOffset(SecOffset); + + // CU-relative offset is reset to 0 here. + unsigned Offset = sizeof(int32_t) + // Length of Unit Info + (*I)->getHeaderSize(); // Unit-specific headers + + // EndOffset here is CU-relative, after laying out + // all of the CU DIE. + unsigned EndOffset = computeSizeAndOffset((*I)->getCUDie(), Offset); + SecOffset += EndOffset; } } @@ -2021,10 +2044,10 @@ void DwarfDebug::emitSectionLabels() { } // Recursively emits a debug information entry. -void DwarfDebug::emitDIE(DIE *Die, std::vector *Abbrevs) { +void DwarfDebug::emitDIE(DIE *Die, ArrayRef Abbrevs) { // Get the abbreviation for this DIE. unsigned AbbrevNumber = Die->getAbbrevNumber(); - const DIEAbbrev *Abbrev = Abbrevs->at(AbbrevNumber - 1); + const DIEAbbrev *Abbrev = Abbrevs[AbbrevNumber - 1]; // Emit the code (index) for the abbreviation. if (Asm->isVerbose()) @@ -2039,19 +2062,44 @@ void DwarfDebug::emitDIE(DIE *Die, std::vector *Abbrevs) { // Emit the DIE attribute values. for (unsigned i = 0, N = Values.size(); i < N; ++i) { - unsigned Attr = AbbrevData[i].getAttribute(); - unsigned Form = AbbrevData[i].getForm(); + dwarf::Attribute Attr = AbbrevData[i].getAttribute(); + dwarf::Form Form = AbbrevData[i].getForm(); assert(Form && "Too many attributes for DIE (check abbreviation)"); if (Asm->isVerbose()) Asm->OutStreamer.AddComment(dwarf::AttributeString(Attr)); switch (Attr) { - case dwarf::DW_AT_abstract_origin: { + case dwarf::DW_AT_abstract_origin: + case dwarf::DW_AT_type: + case dwarf::DW_AT_friend: + case dwarf::DW_AT_specification: + case dwarf::DW_AT_import: + case dwarf::DW_AT_containing_type: { DIEEntry *E = cast(Values[i]); DIE *Origin = E->getEntry(); unsigned Addr = Origin->getOffset(); - Asm->EmitInt32(Addr); + if (Form == dwarf::DW_FORM_ref_addr) { + assert(!useSplitDwarf() && "TODO: dwo files can't have relocations."); + // For DW_FORM_ref_addr, output the offset from beginning of debug info + // section. Origin->getOffset() returns the offset from start of the + // compile unit. + CompileUnit *CU = CUDieMap.lookup(Origin->getCompileUnit()); + assert(CU && "CUDie should belong to a CU."); + Addr += CU->getDebugInfoOffset(); + if (Asm->MAI->doesDwarfUseRelocationsAcrossSections()) + Asm->EmitLabelPlusOffset(DwarfInfoSectionSym, Addr, + DIEEntry::getRefAddrSize(Asm)); + else + Asm->EmitLabelOffsetDifference(DwarfInfoSectionSym, Addr, + DwarfInfoSectionSym, + DIEEntry::getRefAddrSize(Asm)); + } else { + // Make sure Origin belong to the same CU. + assert(Die->getCompileUnit() == Origin->getCompileUnit() && + "The referenced DIE should belong to the same CU in ref4"); + Asm->EmitInt32(Addr); + } break; } case dwarf::DW_AT_ranges: { @@ -2127,20 +2175,10 @@ void DwarfUnits::emitUnits(DwarfDebug *DD, TheCU->getUniqueID())); // Emit size of content not including length itself - unsigned ContentSize = Die->getSize() + - sizeof(int16_t) + // DWARF version number - sizeof(int32_t) + // Offset Into Abbrev. Section - sizeof(int8_t); // Pointer Size (in bytes) + Asm->OutStreamer.AddComment("Length of Unit"); + Asm->EmitInt32(TheCU->getHeaderSize() + Die->getSize()); - Asm->OutStreamer.AddComment("Length of Compilation Unit Info"); - Asm->EmitInt32(ContentSize); - Asm->OutStreamer.AddComment("DWARF version number"); - Asm->EmitInt16(DD->getDwarfVersion()); - Asm->OutStreamer.AddComment("Offset Into Abbrev. Section"); - Asm->EmitSectionOffset(Asm->GetTempSymbol(ASection->getLabelBeginName()), - ASectionSym); - Asm->OutStreamer.AddComment("Address Size (in bytes)"); - Asm->EmitInt8(Asm->getDataLayout().getPointerSize()); + TheCU->emitHeader(ASection, ASectionSym); DD->emitDIE(Die, Abbreviations); Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol(USection->getLabelEndName(),