// TODO: Determine whether or not we should add names for programs
// that do not have a DW_AT_name or DW_AT_linkage_name field - this
// is only slightly different than the lookup of non-standard ObjC names.
-void DwarfDebug::addSubprogramNames(DISubprogram SP, DIE *Die) {
+void DwarfDebug::addSubprogramNames(DISubprogram SP, DIE &Die) {
if (!SP.isDefinition())
return;
addAccelName(SP.getName(), Die);
// concrete DIE twice.
if (DIE *AbsSPDIE = AbstractSPDies.lookup(SP)) {
// Pick up abstract subprogram DIE.
- SPDie = SPCU.createAndAddDIE(dwarf::DW_TAG_subprogram, SPCU.getUnitDie());
- SPCU.addDIEEntry(*SPDie, dwarf::DW_AT_abstract_origin, AbsSPDIE);
+ SPDie = &SPCU.createAndAddDIE(dwarf::DW_TAG_subprogram, SPCU.getUnitDie());
+ SPCU.addDIEEntry(*SPDie, dwarf::DW_AT_abstract_origin, *AbsSPDIE);
} else {
DISubprogram SPDecl = SP.getFunctionDeclaration();
if (!SPDecl.isSubprogram()) {
SPCU.constructSubprogramArguments(*SPDie, Args);
DIE *SPDeclDie = SPDie;
SPDie =
- SPCU.createAndAddDIE(dwarf::DW_TAG_subprogram, SPCU.getUnitDie());
- SPCU.addDIEEntry(*SPDie, dwarf::DW_AT_specification, SPDeclDie);
+ &SPCU.createAndAddDIE(dwarf::DW_TAG_subprogram, SPCU.getUnitDie());
+ SPCU.addDIEEntry(*SPDie, dwarf::DW_AT_specification, *SPDeclDie);
}
}
}
// Add name to the name table, we do this here because we're guaranteed
// to have concrete versions of our DW_TAG_subprogram nodes.
- addSubprogramNames(SP, SPDie);
+ addSubprogramNames(SP, *SPDie);
return SPDie;
}
}
DIE *ScopeDIE = new DIE(dwarf::DW_TAG_inlined_subroutine);
- TheCU.addDIEEntry(*ScopeDIE, dwarf::DW_AT_abstract_origin, OriginDIE);
+ TheCU.addDIEEntry(*ScopeDIE, dwarf::DW_AT_abstract_origin, *OriginDIE);
// If we have multiple ranges, emit them into the range section.
if (ScopeRanges.size() > 1)
// 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.
- addSubprogramNames(InlinedSP, ScopeDIE);
+ addSubprogramNames(InlinedSP, *ScopeDIE);
return ScopeDIE;
}
-DIE *DwarfDebug::createScopeChildrenDIE(DwarfCompileUnit &TheCU,
- LexicalScope *Scope,
- SmallVectorImpl<DIE *> &Children) {
+DIE *DwarfDebug::createScopeChildrenDIE(
+ DwarfCompileUnit &TheCU, LexicalScope *Scope,
+ SmallVectorImpl<std::unique_ptr<DIE>> &Children) {
DIE *ObjectPointer = nullptr;
// Collect arguments for current function.
if (LScopes.isCurrentFunctionScope(Scope)) {
for (DbgVariable *ArgDV : CurrentFnArguments)
- if (ArgDV)
- if (DIE *Arg =
- TheCU.constructVariableDIE(*ArgDV, Scope->isAbstractScope())) {
- Children.push_back(Arg);
- if (ArgDV->isObjectPointer())
- ObjectPointer = Arg;
- }
+ if (ArgDV) {
+ std::unique_ptr<DIE> Arg =
+ TheCU.constructVariableDIE(*ArgDV, Scope->isAbstractScope());
+ assert(Arg);
+ if (ArgDV->isObjectPointer())
+ ObjectPointer = Arg.get();
+ Children.push_back(std::move(Arg));
+ }
// If this is a variadic function, add an unspecified parameter.
DISubprogram SP(Scope->getScopeNode());
DIArray FnArgs = SP.getType().getTypeArray();
if (FnArgs.getElement(FnArgs.getNumElements() - 1)
.isUnspecifiedParameter()) {
- DIE *Ellipsis = new DIE(dwarf::DW_TAG_unspecified_parameters);
- Children.push_back(Ellipsis);
+ Children.push_back(
+ make_unique<DIE>(dwarf::DW_TAG_unspecified_parameters));
}
}
// Collect lexical scope children first.
- for (DbgVariable *DV : ScopeVariables.lookup(Scope))
- if (DIE *Variable =
- TheCU.constructVariableDIE(*DV, Scope->isAbstractScope())) {
- Children.push_back(Variable);
- if (DV->isObjectPointer())
- ObjectPointer = Variable;
- }
+ for (DbgVariable *DV : ScopeVariables.lookup(Scope)) {
+ std::unique_ptr<DIE> Variable =
+ TheCU.constructVariableDIE(*DV, Scope->isAbstractScope());
+ assert(Variable);
+ Children.push_back(std::move(Variable));
+ if (DV->isObjectPointer())
+ ObjectPointer = Variable.get();
+ }
for (LexicalScope *LS : Scope->getChildren())
if (DIE *Nested = constructScopeDIE(TheCU, LS))
- Children.push_back(Nested);
+ Children.push_back(std::unique_ptr<DIE>(Nested));
return ObjectPointer;
}
DIScope DS(Scope->getScopeNode());
- SmallVector<DIE *, 8> Children;
+ SmallVector<std::unique_ptr<DIE>, 8> Children;
DIE *ObjectPointer = nullptr;
bool ChildrenCreated = false;
ObjectPointer = createScopeChildrenDIE(TheCU, Scope, Children);
// Add children
- for (DIE *I : Children)
- ScopeDIE->addChild(I);
+ for (auto &I : Children)
+ ScopeDIE->addChild(std::move(I));
if (DS.isSubprogram() && ObjectPointer != nullptr)
- TheCU.addDIEEntry(*ScopeDIE, dwarf::DW_AT_object_pointer, ObjectPointer);
+ TheCU.addDIEEntry(*ScopeDIE, dwarf::DW_AT_object_pointer, *ObjectPointer);
return ScopeDIE;
}
assert(Module.Verify() &&
"Use one of the MDNode * overloads to handle invalid metadata");
assert(Context && "Should always have a context for an imported_module");
- DIE &IMDie = *TheCU.createAndAddDIE(Module.getTag(), *Context, Module);
+ DIE &IMDie = TheCU.createAndAddDIE(Module.getTag(), *Context, Module);
DIE *EntityDie;
DIDescriptor Entity = resolve(Module.getEntity());
if (Entity.isNameSpace())
TheCU.addSourceLine(IMDie, Module.getLineNumber(),
Module.getContext().getFilename(),
Module.getContext().getDirectory());
- TheCU.addDIEEntry(IMDie, dwarf::DW_AT_import, EntityDie);
+ TheCU.addDIEEntry(IMDie, dwarf::DW_AT_import, *EntityDie);
StringRef Name = Module.getName();
if (!Name.empty())
TheCU.addString(IMDie, dwarf::DW_AT_name, Name);
if (!DV.isVariable())
continue;
DbgVariable NewVar(DV, nullptr, this);
- if (DIE *VariableDIE = SPCU->constructVariableDIE(NewVar, false))
- SPDIE->addChild(VariableDIE);
+ SPDIE->addChild(SPCU->constructVariableDIE(NewVar, false));
}
}
}
// look for that now.
DIEValue *SpecVal = Die->findAttribute(dwarf::DW_AT_specification);
if (SpecVal) {
- DIE *SpecDIE = cast<DIEEntry>(SpecVal)->getEntry();
- if (SpecDIE->findAttribute(dwarf::DW_AT_external))
+ DIE &SpecDIE = cast<DIEEntry>(SpecVal)->getEntry();
+ if (SpecDIE.findAttribute(dwarf::DW_AT_external))
Linkage = dwarf::GIEL_EXTERNAL;
} else if (Die->findAttribute(dwarf::DW_AT_external))
Linkage = dwarf::GIEL_EXTERNAL;
const MCSymbol *End = Range.getEnd();
assert(Begin && "Range without a begin symbol?");
assert(End && "Range without an end symbol?");
- Asm->OutStreamer.EmitSymbolValue(Begin, Size);
- Asm->OutStreamer.EmitSymbolValue(End, Size);
+ if (TheCU->getRanges().size() == 1) {
+ // Grab the begin symbol from the first range as our base.
+ const MCSymbol *Base = TheCU->getRanges()[0].getStart();
+ Asm->EmitLabelDifference(Begin, Base, Size);
+ Asm->EmitLabelDifference(End, Base, Size);
+ } else {
+ Asm->OutStreamer.EmitSymbolValue(Begin, Size);
+ Asm->OutStreamer.EmitSymbolValue(End, Size);
+ }
}
// And terminate the list with two 0 values.
return &SplitTypeUnitFileTable;
}
+static uint64_t makeTypeSignature(StringRef Identifier) {
+ MD5 Hash;
+ Hash.update(Identifier);
+ // ... take the least significant 8 bytes and return those. Our MD5
+ // implementation always returns its results in little endian, swap bytes
+ // appropriately.
+ MD5::MD5Result Result;
+ Hash.final(Result);
+ return *reinterpret_cast<support::ulittle64_t *>(Result + 8);
+}
+
void DwarfDebug::addDwarfTypeUnitType(DwarfCompileUnit &CU,
StringRef Identifier, DIE &RefDie,
DICompositeType CTy) {
- // Flag the type unit reference as a declaration so that if it contains
- // members (implicit special members, static data member definitions, member
- // declarations for definitions in this CU, etc) consumers don't get confused
- // and think this is a full definition.
- CU.addFlag(RefDie, dwarf::DW_AT_declaration);
-
const DwarfTypeUnit *&TU = DwarfTypeUnits[CTy];
if (TU) {
CU.addDIETypeSignature(RefDie, *TU);
NewTU.addUInt(*UnitDie, dwarf::DW_AT_language, dwarf::DW_FORM_data2,
CU.getLanguage());
- MD5 Hash;
- Hash.update(Identifier);
- // ... take the least significant 8 bytes and return those. Our MD5
- // implementation always returns its results in little endian, swap bytes
- // appropriately.
- MD5::MD5Result Result;
- Hash.final(Result);
- uint64_t Signature = *reinterpret_cast<support::ulittle64_t *>(Result + 8);
+ uint64_t Signature = makeTypeSignature(Identifier);
NewTU.setTypeSignature(Signature);
+
if (useSplitDwarf())
NewTU.setSkeleton(constructSkeletonTU(NewTU));
else
CU.applyStmtList(*UnitDie);
- NewTU.setType(NewTU.createTypeDIE(CTy));
-
NewTU.initSection(
useSplitDwarf()
? Asm->getObjFileLowering().getDwarfTypesDWOSection(Signature)
: Asm->getObjFileLowering().getDwarfTypesSection(Signature));
+ NewTU.setType(NewTU.createTypeDIE(CTy));
+
CU.addDIETypeSignature(RefDie, NewTU);
}
// DIE to the proper table while ensuring that the name that we're going
// to reference is in the string table. We do this since the names we
// add may not only be identical to the names in the DIE.
-void DwarfDebug::addAccelName(StringRef Name, const DIE *Die) {
+void DwarfDebug::addAccelName(StringRef Name, const DIE &Die) {
if (!useDwarfAccelTables())
return;
- InfoHolder.getStringPoolEntry(Name);
- AccelNames.AddName(Name, Die);
+ AccelNames.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
+ &Die);
}
-void DwarfDebug::addAccelObjC(StringRef Name, const DIE *Die) {
+void DwarfDebug::addAccelObjC(StringRef Name, const DIE &Die) {
if (!useDwarfAccelTables())
return;
- InfoHolder.getStringPoolEntry(Name);
- AccelObjC.AddName(Name, Die);
+ AccelObjC.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
+ &Die);
}
-void DwarfDebug::addAccelNamespace(StringRef Name, const DIE *Die) {
+void DwarfDebug::addAccelNamespace(StringRef Name, const DIE &Die) {
if (!useDwarfAccelTables())
return;
- InfoHolder.getStringPoolEntry(Name);
- AccelNamespace.AddName(Name, Die);
+ AccelNamespace.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
+ &Die);
}
-void DwarfDebug::addAccelType(StringRef Name, const DIE *Die, char Flags) {
+void DwarfDebug::addAccelType(StringRef Name, const DIE &Die, char Flags) {
if (!useDwarfAccelTables())
return;
- InfoHolder.getStringPoolEntry(Name);
- AccelTypes.AddName(Name, Die, Flags);
+ AccelTypes.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
+ &Die);
}
projects / oota-llvm.git / blobdiff