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Undo accidental commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110623 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1186,6 +1186,30 @@ static StringRef getRealLinkageName(StringRef LinkageName) {
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return LinkageName;
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}
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/// createGlobalVariableDIE - Create new DIE using GV.
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DIE *DwarfDebug::createGlobalVariableDIE(const DIGlobalVariable &GV) {
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// If the global variable was optmized out then no need to create debug info
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// entry.
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if (!GV.Verify()) return NULL;
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if (GV.getDisplayName().empty()) return NULL;
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DIE *GVDie = new DIE(dwarf::DW_TAG_variable);
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addString(GVDie, dwarf::DW_AT_name, dwarf::DW_FORM_string,
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GV.getDisplayName());
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StringRef LinkageName = GV.getLinkageName();
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if (!LinkageName.empty())
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addString(GVDie, dwarf::DW_AT_MIPS_linkage_name, dwarf::DW_FORM_string,
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getRealLinkageName(LinkageName));
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addType(GVDie, GV.getType());
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if (!GV.isLocalToUnit())
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addUInt(GVDie, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1);
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addSourceLine(GVDie, GV);
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return GVDie;
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}
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/// createMemberDIE - Create new member DIE.
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DIE *DwarfDebug::createMemberDIE(const DIDerivedType &DT) {
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DIE *MemberDie = new DIE(DT.getTag());
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@ -1864,68 +1888,57 @@ CompileUnit *DwarfDebug::getCompileUnit(const MDNode *N) const {
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/// constructGlobalVariableDIE - Construct global variable DIE.
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void DwarfDebug::constructGlobalVariableDIE(const MDNode *N) {
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DIGlobalVariable GV(N);
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DIGlobalVariable DI_GV(N);
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// If debug information is malformed then ignore it.
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if (GV.Verify() == false)
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if (DI_GV.Verify() == false)
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return;
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// Check for pre-existence.
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CompileUnit *TheCU = getCompileUnit(N);
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if (TheCU->getDIE(GV))
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if (TheCU->getDIE(DI_GV))
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return;
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DIType GTy = GV.getType();
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DIE *VariableDIE = new DIE(dwarf::DW_TAG_variable);
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DIE *VariableDie = createGlobalVariableDIE(DI_GV);
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if (!VariableDie)
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return;
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// Add name.
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addString(VariableDIE, dwarf::DW_AT_name, dwarf::DW_FORM_string,
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GV.getDisplayName());
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StringRef LinkageName = GV.getLinkageName();
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if (!LinkageName.empty())
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addString(VariableDIE, dwarf::DW_AT_MIPS_linkage_name, dwarf::DW_FORM_string,
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getRealLinkageName(LinkageName));
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// Add type.
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addType(VariableDIE, GTy);
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// Add to map.
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TheCU->insertDIE(N, VariableDie);
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// Add to context owner.
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DIDescriptor GVContext = DI_GV.getContext();
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DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
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addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
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addLabel(Block, 0, dwarf::DW_FORM_udata,
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Asm->Mang->getSymbol(DI_GV.getGlobal()));
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// Do not create specification DIE if context is either compile unit
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// or a subprogram.
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if (DI_GV.isDefinition() && !GVContext.isCompileUnit() &&
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!GVContext.isFile() &&
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!isSubprogramContext(GVContext)) {
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// Create specification DIE.
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DIE *VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
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addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
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dwarf::DW_FORM_ref4, VariableDie);
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addBlock(VariableSpecDIE, dwarf::DW_AT_location, 0, Block);
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addUInt(VariableDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
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TheCU->addDie(VariableSpecDIE);
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} else {
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addBlock(VariableDie, dwarf::DW_AT_location, 0, Block);
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}
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addToContextOwner(VariableDie, GVContext);
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// Expose as global. FIXME - need to check external flag.
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TheCU->addGlobal(DI_GV.getName(), VariableDie);
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DIType GTy = DI_GV.getType();
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if (GTy.isCompositeType() && !GTy.getName().empty()
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&& !GTy.isForwardDecl()) {
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DIEEntry *Entry = TheCU->getDIEEntry(GTy);
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assert(Entry && "Missing global type!");
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TheCU->addGlobalType(GTy.getName(), Entry->getEntry());
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}
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// Add scoping info.
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if (!GV.isLocalToUnit()) {
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addUInt(VariableDIE, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1);
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// Expose as global.
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TheCU->addGlobal(GV.getName(), VariableDIE);
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}
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// Add line number info.
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addSourceLine(VariableDIE, GV);
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// Add to map.
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TheCU->insertDIE(N, VariableDIE);
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// Add to context owner.
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DIDescriptor GVContext = GV.getContext();
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addToContextOwner(VariableDIE, GVContext);
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// Add location.
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DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
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addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
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addLabel(Block, 0, dwarf::DW_FORM_udata,
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Asm->Mang->getSymbol(GV.getGlobal()));
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// Do not create specification DIE if context is either compile unit
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// or a subprogram.
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if (GV.isDefinition() && !GVContext.isCompileUnit() &&
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!GVContext.isFile() && !isSubprogramContext(GVContext)) {
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// Create specification DIE.
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DIE *VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
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addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
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dwarf::DW_FORM_ref4, VariableDIE);
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addBlock(VariableSpecDIE, dwarf::DW_AT_location, 0, Block);
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addUInt(VariableDIE, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
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TheCU->addDie(VariableSpecDIE);
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} else {
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addBlock(VariableDIE, dwarf::DW_AT_location, 0, Block);
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}
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return;
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}
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@ -418,6 +418,9 @@ private:
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/// constructEnumTypeDIE - Construct enum type DIE from DIEnumerator.
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DIE *constructEnumTypeDIE(DIEnumerator ETy);
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/// createGlobalVariableDIE - Create new DIE using GV.
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DIE *createGlobalVariableDIE(const DIGlobalVariable &GV);
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/// createMemberDIE - Create new member DIE.
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DIE *createMemberDIE(const DIDerivedType &DT);
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