}
-/// Unit - Unit constructor.
DwarfUnit::DwarfUnit(unsigned UID, dwarf::Tag UnitTag, DICompileUnit Node,
AsmPrinter *A, DwarfDebug *DW, DwarfFile *DWU)
: UniqueID(UID), CUNode(Node), UnitDie(UnitTag), DebugInfoOffset(0), Asm(A),
addSectionOffset(UnitDie, dwarf::DW_AT_stmt_list, 0);
}
-/// ~Unit - Destructor for compile unit.
DwarfUnit::~DwarfUnit() {
for (unsigned j = 0, M = DIEBlocks.size(); j < M; ++j)
DIEBlocks[j]->~DIEBlock();
DIELocs[j]->~DIELoc();
}
-/// createDIEEntry - Creates a new DIEEntry to be a proxy for a debug
-/// information entry.
DIEEntry *DwarfUnit::createDIEEntry(DIE &Entry) {
DIEEntry *Value = new (DIEValueAllocator) DIEEntry(Entry);
return Value;
}
-/// getDefaultLowerBound - Return the default lower bound for an array. If the
-/// DWARF version doesn't handle the language, return -1.
int64_t DwarfUnit::getDefaultLowerBound() const {
switch (getLanguage()) {
default:
}
/// Check whether the DIE for this MDNode can be shared across CUs.
-static bool isShareableAcrossCUs(DIDescriptor D) {
+static bool isShareableAcrossCUs(const DebugNode *D) {
// When the MDNode can be part of the type system, the DIE can be shared
// across CUs.
// Combining type units and cross-CU DIE sharing is lower value (since
!GenerateDwarfTypeUnits;
}
-/// getDIE - Returns the debug information entry map slot for the
-/// specified debug variable. We delegate the request to DwarfDebug
-/// when the DIE for this MDNode can be shared across CUs. The mappings
-/// will be kept in DwarfDebug for shareable DIEs.
-DIE *DwarfUnit::getDIE(DIDescriptor D) const {
+DIE *DwarfUnit::getDIE(const DebugNode *D) const {
if (isShareableAcrossCUs(D))
return DU->getDIE(D);
return MDNodeToDieMap.lookup(D);
}
-/// insertDIE - Insert DIE into the map. We delegate the request to DwarfDebug
-/// when the DIE for this MDNode can be shared across CUs. The mappings
-/// will be kept in DwarfDebug for shareable DIEs.
-void DwarfUnit::insertDIE(DIDescriptor Desc, DIE *D) {
+void DwarfUnit::insertDIE(const DebugNode *Desc, DIE *D) {
if (isShareableAcrossCUs(Desc)) {
DU->insertDIE(Desc, D);
return;
MDNodeToDieMap.insert(std::make_pair(Desc, D));
}
-/// addFlag - Add a flag that is true.
void DwarfUnit::addFlag(DIE &Die, dwarf::Attribute Attribute) {
if (DD->getDwarfVersion() >= 4)
Die.addValue(Attribute, dwarf::DW_FORM_flag_present, DIEIntegerOne);
Die.addValue(Attribute, dwarf::DW_FORM_flag, DIEIntegerOne);
}
-/// addUInt - Add an unsigned integer attribute data and value.
-///
void DwarfUnit::addUInt(DIE &Die, dwarf::Attribute Attribute,
Optional<dwarf::Form> Form, uint64_t Integer) {
if (!Form)
addUInt(Block, (dwarf::Attribute)0, Form, Integer);
}
-/// addSInt - Add an signed integer attribute data and value.
-///
void DwarfUnit::addSInt(DIE &Die, dwarf::Attribute Attribute,
Optional<dwarf::Form> Form, int64_t Integer) {
if (!Form)
addSInt(Die, (dwarf::Attribute)0, Form, Integer);
}
-/// addString - Add a string attribute data and value. We always emit a
-/// reference to the string pool instead of immediate strings so that DIEs have
-/// more predictable sizes. In the case of split dwarf we emit an index
-/// into another table which gets us the static offset into the string
-/// table.
void DwarfUnit::addString(DIE &Die, dwarf::Attribute Attribute,
StringRef String) {
if (!isDwoUnit())
Die.addValue(Attribute, dwarf::DW_FORM_GNU_str_index, Str);
}
-/// addLocalString - Add a string attribute data and value. This is guaranteed
-/// to be in the local string pool instead of indirected.
void DwarfUnit::addLocalString(DIE &Die, dwarf::Attribute Attribute,
StringRef String) {
const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
Die.addValue(Attribute, dwarf::DW_FORM_strp, Str);
}
-/// addLabel - Add a Dwarf label attribute data and value.
-///
void DwarfUnit::addLabel(DIE &Die, dwarf::Attribute Attribute, dwarf::Form Form,
const MCSymbol *Label) {
DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
addLabel(Die, (dwarf::Attribute)0, Form, Label);
}
-/// addSectionOffset - Add an offset into a section attribute data and value.
-///
void DwarfUnit::addSectionOffset(DIE &Die, dwarf::Attribute Attribute,
uint64_t Integer) {
if (DD->getDwarfVersion() >= 4)
: getCU().getOrCreateSourceID(FileName, DirName);
}
-/// addOpAddress - Add a dwarf op address data and value using the
-/// form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index.
-///
void DwarfUnit::addOpAddress(DIELoc &Die, const MCSymbol *Sym) {
if (!DD->useSplitDwarf()) {
addUInt(Die, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
Die.addValue(Attribute, dwarf::DW_FORM_data4, Value);
}
-/// addDIEEntry - Add a DIE attribute data and value.
-///
void DwarfUnit::addDIEEntry(DIE &Die, dwarf::Attribute Attribute, DIE &Entry) {
addDIEEntry(Die, Attribute, createDIEEntry(Entry));
}
Entry);
}
-/// Create a DIE with the given Tag, add the DIE to its parent, and
-/// call insertDIE if MD is not null.
-DIE &DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, DIDescriptor N) {
+DIE &DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, const DebugNode *N) {
assert(Tag != dwarf::DW_TAG_auto_variable &&
Tag != dwarf::DW_TAG_arg_variable);
Parent.addChild(make_unique<DIE>((dwarf::Tag)Tag));
return Die;
}
-/// addBlock - Add block data.
-///
void DwarfUnit::addBlock(DIE &Die, dwarf::Attribute Attribute, DIELoc *Loc) {
Loc->ComputeSize(Asm);
DIELocs.push_back(Loc); // Memoize so we can call the destructor later on.
Die.addValue(Attribute, Block->BestForm(), Block);
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
void DwarfUnit::addSourceLine(DIE &Die, unsigned Line, StringRef File,
StringRef Directory) {
if (Line == 0)
addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
void DwarfUnit::addSourceLine(DIE &Die, DIVariable V) {
assert(V);
V->getScope()->getDirectory());
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
void DwarfUnit::addSourceLine(DIE &Die, DIGlobalVariable G) {
assert(G);
addSourceLine(Die, G->getLine(), G->getFilename(), G->getDirectory());
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
void DwarfUnit::addSourceLine(DIE &Die, DISubprogram SP) {
assert(SP);
addSourceLine(Die, SP->getLine(), SP->getFilename(), SP->getDirectory());
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
-void DwarfUnit::addSourceLine(DIE &Die, DIType Ty) {
+void DwarfUnit::addSourceLine(DIE &Die, const MDType *Ty) {
assert(Ty);
addSourceLine(Die, Ty->getLine(), Ty->getFilename(), Ty->getDirectory());
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
void DwarfUnit::addSourceLine(DIE &Die, DIObjCProperty Ty) {
assert(Ty);
addSourceLine(Die, Ty->getLine(), Ty->getFilename(), Ty->getDirectory());
}
-/// addSourceLine - Add location information to specified debug information
-/// entry.
void DwarfUnit::addSourceLine(DIE &Die, DINameSpace NS) {
addSourceLine(Die, NS->getLine(), NS->getFilename(), NS->getDirectory());
}
-/// addRegisterOp - Add register operand.
bool DwarfUnit::addRegisterOpPiece(DIELoc &TheDie, unsigned Reg,
unsigned SizeInBits, unsigned OffsetInBits) {
DIEDwarfExpression Expr(*Asm, *this, TheDie);
return true;
}
-/// addRegisterOffset - Add register offset.
bool DwarfUnit::addRegisterOffset(DIELoc &TheDie, unsigned Reg,
int64_t Offset) {
DIEDwarfExpression Expr(*Asm, *this, TheDie);
That is what this function does. */
-/// addBlockByrefAddress - Start with the address based on the location
-/// provided, and generate the DWARF information necessary to find the
-/// actual Block variable (navigating the Block struct) based on the
-/// starting location. Add the DWARF information to the die. For
-/// more information, read large comment just above here.
-///
void DwarfUnit::addBlockByrefAddress(const DbgVariable &DV, DIE &Die,
dwarf::Attribute Attribute,
const MachineLocation &Location) {
- DIType Ty = DV.getType();
- DIType TmpTy = Ty;
+ const MDType *Ty = DV.getType();
+ const MDType *TmpTy = Ty;
uint16_t Tag = Ty->getTag();
bool isPointer = false;
StringRef varName = DV.getName();
if (Tag == dwarf::DW_TAG_pointer_type) {
- DIDerivedType DTy = cast<MDDerivedType>(Ty);
+ auto *DTy = cast<MDDerivedType>(Ty);
TmpTy = resolve(DTy->getBaseType());
isPointer = true;
}
// Find the __forwarding field and the variable field in the __Block_byref
// struct.
DIArray Fields = cast<MDCompositeTypeBase>(TmpTy)->getElements();
- DIDerivedType varField;
- DIDerivedType forwardingField;
+ const MDDerivedType *varField = nullptr;
+ const MDDerivedType *forwardingField = nullptr;
for (unsigned i = 0, N = Fields.size(); i < N; ++i) {
- DIDerivedType DT = cast<MDDerivedTypeBase>(Fields[i]);
+ auto *DT = cast<MDDerivedType>(Fields[i]);
StringRef fieldName = DT->getName();
if (fieldName == "__forwarding")
forwardingField = DT;
}
/// Return true if type encoding is unsigned.
-static bool isUnsignedDIType(DwarfDebug *DD, DIType Ty) {
- if (DIDerivedType DTy = dyn_cast<MDDerivedTypeBase>(Ty)) {
+static bool isUnsignedDIType(DwarfDebug *DD, const MDType *Ty) {
+ if (auto *DTy = dyn_cast<MDDerivedTypeBase>(Ty)) {
dwarf::Tag T = (dwarf::Tag)Ty->getTag();
// Encode pointer constants as unsigned bytes. This is used at least for
// null pointer constant emission.
T == dwarf::DW_TAG_volatile_type ||
T == dwarf::DW_TAG_restrict_type ||
T == dwarf::DW_TAG_enumeration_type);
- if (DITypeRef Deriv = DTy->getBaseType())
+ if (MDTypeRef Deriv = DTy->getBaseType())
return isUnsignedDIType(DD, DD->resolve(Deriv));
// FIXME: Enums without a fixed underlying type have unknown signedness
// here, leading to incorrectly emitted constants.
return false;
}
- DIBasicType BTy = cast<MDBasicType>(Ty);
+ auto *BTy = cast<MDBasicType>(Ty);
unsigned Encoding = BTy->getEncoding();
assert((Encoding == dwarf::DW_ATE_unsigned ||
Encoding == dwarf::DW_ATE_unsigned_char ||
}
/// If this type is derived from a base type then return base type size.
-static uint64_t getBaseTypeSize(DwarfDebug *DD, DIDerivedType Ty) {
+static uint64_t getBaseTypeSize(DwarfDebug *DD, const MDDerivedType *Ty) {
unsigned Tag = Ty->getTag();
if (Tag != dwarf::DW_TAG_member && Tag != dwarf::DW_TAG_typedef &&
BaseType->getTag() == dwarf::DW_TAG_rvalue_reference_type)
return Ty->getSizeInBits();
- if (auto *DT = dyn_cast<MDDerivedTypeBase>(BaseType))
+ if (auto *DT = dyn_cast<MDDerivedType>(BaseType))
return getBaseTypeSize(DD, DT);
return BaseType->getSizeInBits();
}
-/// addConstantFPValue - Add constant value entry in variable DIE.
void DwarfUnit::addConstantFPValue(DIE &Die, const MachineOperand &MO) {
assert(MO.isFPImm() && "Invalid machine operand!");
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
addBlock(Die, dwarf::DW_AT_const_value, Block);
}
-/// addConstantFPValue - Add constant value entry in variable DIE.
void DwarfUnit::addConstantFPValue(DIE &Die, const ConstantFP *CFP) {
// Pass this down to addConstantValue as an unsigned bag of bits.
addConstantValue(Die, CFP->getValueAPF().bitcastToAPInt(), true);
}
-/// addConstantValue - Add constant value entry in variable DIE.
-void DwarfUnit::addConstantValue(DIE &Die, const ConstantInt *CI, DIType Ty) {
+void DwarfUnit::addConstantValue(DIE &Die, const ConstantInt *CI,
+ const MDType *Ty) {
addConstantValue(Die, CI->getValue(), Ty);
}
-/// addConstantValue - Add constant value entry in variable DIE.
void DwarfUnit::addConstantValue(DIE &Die, const MachineOperand &MO,
- DIType Ty) {
+ const MDType *Ty) {
assert(MO.isImm() && "Invalid machine operand!");
addConstantValue(Die, isUnsignedDIType(DD, Ty), MO.getImm());
Unsigned ? dwarf::DW_FORM_udata : dwarf::DW_FORM_sdata, Val);
}
-void DwarfUnit::addConstantValue(DIE &Die, const APInt &Val, DIType Ty) {
+void DwarfUnit::addConstantValue(DIE &Die, const APInt &Val, const MDType *Ty) {
addConstantValue(Die, Val, isUnsignedDIType(DD, Ty));
}
-// addConstantValue - Add constant value entry in variable DIE.
void DwarfUnit::addConstantValue(DIE &Die, const APInt &Val, bool Unsigned) {
unsigned CIBitWidth = Val.getBitWidth();
if (CIBitWidth <= 64) {
addBlock(Die, dwarf::DW_AT_const_value, Block);
}
-// Add a linkage name to the DIE.
void DwarfUnit::addLinkageName(DIE &Die, StringRef LinkageName) {
if (!LinkageName.empty())
addString(Die,
GlobalValue::getRealLinkageName(LinkageName));
}
-/// addTemplateParams - Add template parameters into buffer.
void DwarfUnit::addTemplateParams(DIE &Buffer, DIArray TParams) {
// Add template parameters.
- for (unsigned i = 0, e = TParams.size(); i != e; ++i) {
- DIDescriptor Element = TParams[i];
+ for (const auto *Element : TParams) {
if (auto *TTP = dyn_cast<MDTemplateTypeParameter>(Element))
constructTemplateTypeParameterDIE(Buffer, TTP);
else if (auto *TVP = dyn_cast<MDTemplateValueParameter>(Element))
}
}
-/// getOrCreateContextDIE - Get context owner's DIE.
-DIE *DwarfUnit::getOrCreateContextDIE(DIScope Context) {
+DIE *DwarfUnit::getOrCreateContextDIE(const MDScope *Context) {
if (!Context || isa<MDFile>(Context))
return &getUnitDie();
if (auto *T = dyn_cast<MDType>(Context))
return getDIE(Context);
}
-DIE *DwarfUnit::createTypeDIE(DICompositeType Ty) {
- DIScope Context = resolve(Ty->getScope());
+DIE *DwarfUnit::createTypeDIE(const MDCompositeType *Ty) {
+ auto *Context = resolve(Ty->getScope());
DIE *ContextDIE = getOrCreateContextDIE(Context);
if (DIE *TyDIE = getDIE(Ty))
// Create new type.
DIE &TyDIE = createAndAddDIE(Ty->getTag(), *ContextDIE, Ty);
- constructTypeDIE(TyDIE, Ty);
+ constructTypeDIE(TyDIE, cast<MDCompositeType>(Ty));
updateAcceleratorTables(Context, Ty, TyDIE);
return &TyDIE;
}
-/// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
-/// given DIType.
DIE *DwarfUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
if (!TyNode)
return nullptr;
// DW_TAG_restrict_type is not supported in DWARF2
if (Ty->getTag() == dwarf::DW_TAG_restrict_type && DD->getDwarfVersion() <= 2)
return getOrCreateTypeDIE(
- resolve(DITypeRef(cast<MDDerivedType>(Ty)->getBaseType())));
+ resolve(cast<MDDerivedType>(Ty)->getBaseType()));
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE.
- DIScope Context = resolve(Ty->getScope());
+ auto *Context = resolve(Ty->getScope());
DIE *ContextDIE = getOrCreateContextDIE(Context);
assert(ContextDIE);
if (auto *BT = dyn_cast<MDBasicType>(Ty))
constructTypeDIE(TyDIE, BT);
- else if (DICompositeType CTy = dyn_cast<MDCompositeTypeBase>(Ty)) {
+ else if (auto *STy = dyn_cast<MDSubroutineType>(Ty))
+ constructTypeDIE(TyDIE, STy);
+ else if (auto *CTy = dyn_cast<MDCompositeType>(Ty)) {
if (GenerateDwarfTypeUnits && !Ty->isForwardDecl())
if (MDString *TypeId = CTy->getRawIdentifier()) {
DD->addDwarfTypeUnitType(getCU(), TypeId->getString(), TyDIE, CTy);
return &TyDIE;
}
-void DwarfUnit::updateAcceleratorTables(DIScope Context, DIType Ty,
- const DIE &TyDIE) {
+void DwarfUnit::updateAcceleratorTables(const MDScope *Context,
+ const MDType *Ty, const DIE &TyDIE) {
if (!Ty->getName().empty() && !Ty->isForwardDecl()) {
bool IsImplementation = 0;
if (auto *CT = dyn_cast<MDCompositeTypeBase>(Ty)) {
}
}
-/// addType - Add a new type attribute to the specified entity.
-void DwarfUnit::addType(DIE &Entity, DIType Ty, dwarf::Attribute Attribute) {
+void DwarfUnit::addType(DIE &Entity, const MDType *Ty,
+ dwarf::Attribute Attribute) {
assert(Ty && "Trying to add a type that doesn't exist?");
// Check for pre-existence.
addDIEEntry(Entity, Attribute, Entry);
}
-/// getParentContextString - Walks the metadata parent chain in a language
-/// specific manner (using the compile unit language) and returns
-/// it as a string. This is done at the metadata level because DIEs may
-/// not currently have been added to the parent context and walking the
-/// DIEs looking for names is more expensive than walking the metadata.
-std::string DwarfUnit::getParentContextString(DIScope Context) const {
+std::string DwarfUnit::getParentContextString(const MDScope *Context) const {
if (!Context)
return "";
return "";
std::string CS;
- SmallVector<DIScope, 1> Parents;
+ SmallVector<const MDScope *, 1> Parents;
while (!isa<MDCompileUnit>(Context)) {
Parents.push_back(Context);
if (Context->getScope())
// Reverse iterate over our list to go from the outermost construct to the
// innermost.
- for (SmallVectorImpl<DIScope>::reverse_iterator I = Parents.rbegin(),
- E = Parents.rend();
- I != E; ++I) {
+ for (auto I = Parents.rbegin(), E = Parents.rend(); I != E; ++I) {
const MDScope *Ctx = *I;
StringRef Name = Ctx->getName();
if (Name.empty() && isa<MDNamespace>(Ctx))
return CS;
}
-/// constructTypeDIE - Construct basic type die from DIBasicType.
-void DwarfUnit::constructTypeDIE(DIE &Buffer, DIBasicType BTy) {
+void DwarfUnit::constructTypeDIE(DIE &Buffer, const MDBasicType *BTy) {
// Get core information.
StringRef Name = BTy->getName();
// Add name if not anonymous or intermediate type.
addUInt(Buffer, dwarf::DW_AT_byte_size, None, Size);
}
-/// constructTypeDIE - Construct derived type die from DIDerivedType.
-void DwarfUnit::constructTypeDIE(DIE &Buffer, DIDerivedType DTy) {
+void DwarfUnit::constructTypeDIE(DIE &Buffer, const MDDerivedType *DTy) {
// Get core information.
StringRef Name = DTy->getName();
uint64_t Size = DTy->getSizeInBits() >> 3;
uint16_t Tag = Buffer.getTag();
// Map to main type, void will not have a type.
- DIType FromTy = resolve(DTy->getBaseType());
+ const MDType *FromTy = resolve(DTy->getBaseType());
if (FromTy)
addType(Buffer, FromTy);
addSourceLine(Buffer, DTy);
}
-/// constructSubprogramArguments - Construct function argument DIEs.
void DwarfUnit::constructSubprogramArguments(DIE &Buffer, DITypeArray Args) {
for (unsigned i = 1, N = Args.size(); i < N; ++i) {
- DIType Ty = resolve(Args[i]);
+ const MDType *Ty = resolve(Args[i]);
if (!Ty) {
assert(i == N-1 && "Unspecified parameter must be the last argument");
createAndAddDIE(dwarf::DW_TAG_unspecified_parameters, Buffer);
}
}
-/// constructTypeDIE - Construct type DIE from DICompositeType.
-void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
+void DwarfUnit::constructTypeDIE(DIE &Buffer, const MDSubroutineType *CTy) {
+ // Add return type. A void return won't have a type.
+ auto Elements = cast<MDSubroutineType>(CTy)->getTypeArray();
+ if (Elements.size())
+ if (auto RTy = resolve(Elements[0]))
+ addType(Buffer, RTy);
+
+ bool isPrototyped = true;
+ if (Elements.size() == 2 && !Elements[1])
+ isPrototyped = false;
+
+ constructSubprogramArguments(Buffer, Elements);
+
+ // Add prototype flag if we're dealing with a C language and the function has
+ // been prototyped.
+ uint16_t Language = getLanguage();
+ if (isPrototyped &&
+ (Language == dwarf::DW_LANG_C89 || Language == dwarf::DW_LANG_C99 ||
+ Language == dwarf::DW_LANG_ObjC))
+ addFlag(Buffer, dwarf::DW_AT_prototyped);
+
+ if (CTy->isLValueReference())
+ addFlag(Buffer, dwarf::DW_AT_reference);
+
+ if (CTy->isRValueReference())
+ addFlag(Buffer, dwarf::DW_AT_rvalue_reference);
+}
+
+void DwarfUnit::constructTypeDIE(DIE &Buffer, const MDCompositeType *CTy) {
// Add name if not anonymous or intermediate type.
StringRef Name = CTy->getName();
case dwarf::DW_TAG_enumeration_type:
constructEnumTypeDIE(Buffer, CTy);
break;
- case dwarf::DW_TAG_subroutine_type: {
- // Add return type. A void return won't have a type.
- auto Elements = cast<MDSubroutineType>(CTy)->getTypeArray();
- if (Elements.size())
- if (auto RTy = resolve(Elements[0]))
- addType(Buffer, RTy);
-
- bool isPrototyped = true;
- if (Elements.size() == 2 && !Elements[1])
- isPrototyped = false;
-
- constructSubprogramArguments(Buffer, Elements);
-
- // Add prototype flag if we're dealing with a C language and the
- // function has been prototyped.
- uint16_t Language = getLanguage();
- if (isPrototyped &&
- (Language == dwarf::DW_LANG_C89 || Language == dwarf::DW_LANG_C99 ||
- Language == dwarf::DW_LANG_ObjC))
- addFlag(Buffer, dwarf::DW_AT_prototyped);
-
- if (CTy->isLValueReference())
- addFlag(Buffer, dwarf::DW_AT_reference);
-
- if (CTy->isRValueReference())
- addFlag(Buffer, dwarf::DW_AT_rvalue_reference);
- } break;
case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type:
case dwarf::DW_TAG_class_type: {
// Add elements to structure type.
DIArray Elements = CTy->getElements();
- for (unsigned i = 0, N = Elements.size(); i < N; ++i) {
- DIDescriptor Element = Elements[i];
+ for (const auto *Element : Elements) {
if (!Element)
continue;
if (auto *SP = dyn_cast<MDSubprogram>(Element))
getOrCreateSubprogramDIE(SP);
- else if (DIDerivedType DDTy = dyn_cast<MDDerivedTypeBase>(Element)) {
+ else if (auto *DDTy = dyn_cast<MDDerivedType>(Element)) {
if (DDTy->getTag() == dwarf::DW_TAG_friend) {
DIE &ElemDie = createAndAddDIE(dwarf::DW_TAG_friend, Buffer);
addType(ElemDie, resolve(DDTy->getBaseType()), dwarf::DW_AT_friend);
// This is outside the DWARF spec, but GDB expects a DW_AT_containing_type
// inside C++ composite types to point to the base class with the vtable.
- if (DICompositeType ContainingType =
+ if (auto *ContainingType =
dyn_cast_or_null<MDCompositeType>(resolve(CTy->getVTableHolder())))
addDIEEntry(Buffer, dwarf::DW_AT_containing_type,
*getOrCreateTypeDIE(ContainingType));
}
}
-/// constructTemplateTypeParameterDIE - Construct new DIE for the given
-/// DITemplateTypeParameter.
void DwarfUnit::constructTemplateTypeParameterDIE(DIE &Buffer,
DITemplateTypeParameter TP) {
DIE &ParamDIE =
addString(ParamDIE, dwarf::DW_AT_name, TP->getName());
}
-/// constructTemplateValueParameterDIE - Construct new DIE for the given
-/// DITemplateValueParameter.
void
DwarfUnit::constructTemplateValueParameterDIE(DIE &Buffer,
DITemplateValueParameter VP) {
}
}
-/// getOrCreateNameSpace - Create a DIE for DINameSpace.
DIE *DwarfUnit::getOrCreateNameSpace(DINameSpace NS) {
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE.
return &NDie;
}
-/// getOrCreateSubprogramDIE - Create new DIE using SP.
DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP, bool Minimal) {
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE (as is the case for member function
Language == dwarf::DW_LANG_ObjC))
addFlag(SPDie, dwarf::DW_AT_prototyped);
- DISubroutineType SPTy = SP->getType();
+ const MDSubroutineType *SPTy = SP->getType();
assert(SPTy->getTag() == dwarf::DW_TAG_subroutine_type &&
"the type of a subprogram should be a subroutine");
addFlag(SPDie, dwarf::DW_AT_explicit);
}
-/// constructSubrangeDIE - Construct subrange DIE from DISubrange.
void DwarfUnit::constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy) {
DIE &DW_Subrange = createAndAddDIE(dwarf::DW_TAG_subrange_type, Buffer);
addDIEEntry(DW_Subrange, dwarf::DW_AT_type, *IndexTy);
return IndexTyDie;
}
-/// constructArrayTypeDIE - Construct array type DIE from DICompositeType.
-void DwarfUnit::constructArrayTypeDIE(DIE &Buffer, DICompositeType CTy) {
+void DwarfUnit::constructArrayTypeDIE(DIE &Buffer, const MDCompositeType *CTy) {
if (CTy->isVector())
addFlag(Buffer, dwarf::DW_AT_GNU_vector);
}
}
-/// constructEnumTypeDIE - Construct an enum type DIE from DICompositeType.
-void DwarfUnit::constructEnumTypeDIE(DIE &Buffer, DICompositeType CTy) {
+void DwarfUnit::constructEnumTypeDIE(DIE &Buffer, const MDCompositeType *CTy) {
DIArray Elements = CTy->getElements();
// Add enumerators to enumeration type.
Value);
}
}
- DIType DTy = resolve(CTy->getBaseType());
+ const MDType *DTy = resolve(CTy->getBaseType());
if (DTy) {
addType(Buffer, DTy);
addFlag(Buffer, dwarf::DW_AT_enum_class);
}
}
-/// constructContainingTypeDIEs - Construct DIEs for types that contain
-/// vtables.
void DwarfUnit::constructContainingTypeDIEs() {
- for (DenseMap<DIE *, const MDNode *>::iterator CI = ContainingTypeMap.begin(),
- CE = ContainingTypeMap.end();
+ for (auto CI = ContainingTypeMap.begin(), CE = ContainingTypeMap.end();
CI != CE; ++CI) {
DIE &SPDie = *CI->first;
- DIDescriptor D(CI->second);
+ const DebugNode *D = CI->second;
if (!D)
continue;
DIE *NDie = getDIE(D);
}
}
-/// constructMemberDIE - Construct member DIE from DIDerivedType.
-void DwarfUnit::constructMemberDIE(DIE &Buffer, DIDerivedType DT_) {
- // Downcast to MDDerivedType.
- const MDDerivedType *DT = cast<MDDerivedType>(DT_);
-
+void DwarfUnit::constructMemberDIE(DIE &Buffer, const MDDerivedType *DT) {
DIE &MemberDie = createAndAddDIE(DT->getTag(), Buffer);
StringRef Name = DT->getName();
if (!Name.empty())
addFlag(MemberDie, dwarf::DW_AT_artificial);
}
-/// getOrCreateStaticMemberDIE - Create new DIE for C++ static member.
-DIE *DwarfUnit::getOrCreateStaticMemberDIE(DIDerivedType DT_) {
- const MDDerivedType *DT = cast_or_null<MDDerivedType>(DT_);
+DIE *DwarfUnit::getOrCreateStaticMemberDIE(const MDDerivedType *DT) {
if (!DT)
return nullptr;
DIE &StaticMemberDIE = createAndAddDIE(DT->getTag(), *ContextDIE, DT);
- DIType Ty = resolve(DT->getBaseType());
+ const MDType *Ty = resolve(DT->getBaseType());
addString(StaticMemberDIE, dwarf::DW_AT_name, DT->getName());
addType(StaticMemberDIE, Ty);
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