using namespace llvm;
/// CompileUnit - Compile unit constructor.
-CompileUnit::CompileUnit(unsigned UID, unsigned L, DIE *D, const MDNode *N,
- AsmPrinter *A, DwarfDebug *DW, DwarfUnits *DWU)
- : UniqueID(UID), Language(L), CUDie(D), Asm(A), DD(DW), DU(DWU),
- IndexTyDie(0), DebugInfoOffset(0) {
+CompileUnit::CompileUnit(unsigned UID, DIE *D, const MDNode *N, AsmPrinter *A,
+ DwarfDebug *DW, DwarfUnits *DWU)
+ : UniqueID(UID), Node(N), CUDie(D), Asm(A), DD(DW), DU(DWU), IndexTyDie(0),
+ DebugInfoOffset(0) {
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
insertDIE(N, D);
}
/// getDefaultLowerBound - Return the default lower bound for an array. If the
/// DWARF version doesn't handle the language, return -1.
int64_t CompileUnit::getDefaultLowerBound() const {
- switch (Language) {
+ switch (DICompileUnit(Node).getLanguage()) {
default:
break;
}
/// addFlag - Add a flag that is true.
-void CompileUnit::addFlag(DIE *Die, unsigned Attribute) {
+void CompileUnit::addFlag(DIE *Die, uint16_t Attribute) {
if (!DD->useDarwinGDBCompat())
Die->addValue(Attribute, dwarf::DW_FORM_flag_present,
DIEIntegerOne);
/// addUInt - Add an unsigned integer attribute data and value.
///
-void CompileUnit::addUInt(DIE *Die, unsigned Attribute,
- unsigned Form, uint64_t Integer) {
+void CompileUnit::addUInt(DIE *Die, uint16_t Attribute,
+ uint16_t Form, uint64_t Integer) {
if (!Form) Form = DIEInteger::BestForm(false, Integer);
DIEValue *Value = Integer == 1 ?
DIEIntegerOne : new (DIEValueAllocator) DIEInteger(Integer);
/// addSInt - Add an signed integer attribute data and value.
///
-void CompileUnit::addSInt(DIE *Die, unsigned Attribute,
- unsigned Form, int64_t Integer) {
+void CompileUnit::addSInt(DIE *Die, uint16_t Attribute,
+ uint16_t Form, int64_t Integer) {
if (!Form) Form = DIEInteger::BestForm(true, Integer);
DIEValue *Value = new (DIEValueAllocator) DIEInteger(Integer);
Die->addValue(Attribute, Form, Value);
/// 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 CompileUnit::addString(DIE *Die, unsigned Attribute, StringRef String) {
+void CompileUnit::addString(DIE *Die, uint16_t Attribute, StringRef String) {
DIEValue *Value;
- unsigned Form;
+ uint16_t Form;
if (!DD->useSplitDwarf()) {
MCSymbol *Symb = DU->getStringPoolEntry(String);
if (Asm->needsRelocationsForDwarfStringPool())
/// addLocalString - Add a string attribute data and value. This is guaranteed
/// to be in the local string pool instead of indirected.
-void CompileUnit::addLocalString(DIE *Die, unsigned Attribute,
+void CompileUnit::addLocalString(DIE *Die, uint16_t Attribute,
StringRef String) {
MCSymbol *Symb = DU->getStringPoolEntry(String);
DIEValue *Value;
/// addExpr - Add a Dwarf expression attribute data and value.
///
-void CompileUnit::addExpr(DIE *Die, unsigned Attribute, unsigned Form,
+void CompileUnit::addExpr(DIE *Die, uint16_t Attribute, uint16_t Form,
const MCExpr *Expr) {
DIEValue *Value = new (DIEValueAllocator) DIEExpr(Expr);
Die->addValue(Attribute, Form, Value);
/// addLabel - Add a Dwarf label attribute data and value.
///
-void CompileUnit::addLabel(DIE *Die, unsigned Attribute, unsigned Form,
+void CompileUnit::addLabel(DIE *Die, uint16_t Attribute, uint16_t Form,
const MCSymbol *Label) {
DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
Die->addValue(Attribute, Form, Value);
/// addLabelAddress - Add a dwarf label attribute data and value using
/// DW_FORM_addr or DW_FORM_GNU_addr_index.
///
-void CompileUnit::addLabelAddress(DIE *Die, unsigned Attribute,
+void CompileUnit::addLabelAddress(DIE *Die, uint16_t Attribute,
MCSymbol *Label) {
if (!DD->useSplitDwarf()) {
if (Label != NULL) {
/// addDelta - Add a label delta attribute data and value.
///
-void CompileUnit::addDelta(DIE *Die, unsigned Attribute, unsigned Form,
+void CompileUnit::addDelta(DIE *Die, uint16_t Attribute, uint16_t Form,
const MCSymbol *Hi, const MCSymbol *Lo) {
DIEValue *Value = new (DIEValueAllocator) DIEDelta(Hi, Lo);
Die->addValue(Attribute, Form, Value);
/// addDIEEntry - Add a DIE attribute data and value.
///
-void CompileUnit::addDIEEntry(DIE *Die, unsigned Attribute, unsigned Form,
+void CompileUnit::addDIEEntry(DIE *Die, uint16_t Attribute, uint16_t Form,
DIE *Entry) {
Die->addValue(Attribute, Form, createDIEEntry(Entry));
}
/// addBlock - Add block data.
///
-void CompileUnit::addBlock(DIE *Die, unsigned Attribute, unsigned Form,
+void CompileUnit::addBlock(DIE *Die, uint16_t Attribute, uint16_t Form,
DIEBlock *Block) {
Block->ComputeSize(Asm);
DIEBlocks.push_back(Block); // Memoize so we can call the destructor later on.
/// addAddress - Add an address attribute to a die based on the location
/// provided.
-void CompileUnit::addAddress(DIE *Die, unsigned Attribute,
+void CompileUnit::addAddress(DIE *Die, uint16_t Attribute,
const MachineLocation &Location, bool Indirect) {
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
/// the starting location. Add the DWARF information to the die.
///
void CompileUnit::addComplexAddress(const DbgVariable &DV, DIE *Die,
- unsigned Attribute,
+ uint16_t Attribute,
const MachineLocation &Location) {
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
unsigned N = DV.getNumAddrElements();
/// more information, read large comment just above here.
///
void CompileUnit::addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
- unsigned Attribute,
+ uint16_t Attribute,
const MachineLocation &Location) {
DIType Ty = DV.getType();
DIType TmpTy = Ty;
- unsigned Tag = Ty.getTag();
+ uint16_t Tag = Ty.getTag();
bool isPointer = false;
StringRef varName = DV.getName();
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
int SizeInBits = -1;
bool SignedConstant = isTypeSigned(Ty, &SizeInBits);
- unsigned Form = SignedConstant ? dwarf::DW_FORM_sdata : dwarf::DW_FORM_udata;
+ uint16_t Form = SignedConstant ? dwarf::DW_FORM_sdata : dwarf::DW_FORM_udata;
switch (SizeInBits) {
case 8: Form = dwarf::DW_FORM_data1; break;
case 16: Form = dwarf::DW_FORM_data2; break;
}
/// addType - Add a new type attribute to the specified entity.
-void CompileUnit::addType(DIE *Entity, DIType Ty, unsigned Attribute) {
- if (!Ty.isType())
- return;
+void CompileUnit::addType(DIE *Entity, DIType Ty, uint16_t Attribute) {
+ assert(Ty && "Trying to add a type that doesn't exist?");
// Check for pre-existence.
DIEEntry *Entry = getDIEEntry(Ty);
/// addPubTypes - Add type for pubtypes section.
void CompileUnit::addPubTypes(DISubprogram SP) {
DICompositeType SPTy = SP.getType();
- unsigned SPTag = SPTy.getTag();
+ uint16_t SPTag = SPTy.getTag();
if (SPTag != dwarf::DW_TAG_subroutine_type)
return;
// Get core information.
StringRef Name = DTy.getName();
uint64_t Size = DTy.getSizeInBits() >> 3;
- unsigned Tag = DTy.getTag();
+ uint16_t Tag = DTy.getTag();
// FIXME - Workaround for templates.
if (Tag == dwarf::DW_TAG_inheritance) Tag = dwarf::DW_TAG_reference_type;
// Map to main type, void will not have a type.
DIType FromTy = DTy.getTypeDerivedFrom();
- addType(&Buffer, FromTy);
+ if (FromTy)
+ addType(&Buffer, FromTy);
// Add name if not anonymous or intermediate type.
if (!Name.empty())
/// Return true if the type should be split out into a type unit.
static bool shouldCreateTypeUnit(DICompositeType CTy) {
- unsigned Tag = CTy.getTag();
+ uint16_t Tag = CTy.getTag();
switch (Tag) {
case dwarf::DW_TAG_structure_type:
StringRef Name = CTy.getName();
uint64_t Size = CTy.getSizeInBits() >> 3;
- unsigned Tag = CTy.getTag();
+ uint16_t Tag = CTy.getTag();
Buffer.setTag(Tag);
switch (Tag) {
}
}
DIType DTy = CTy.getTypeDerivedFrom();
- if (DTy.isType()) {
+ if (DTy) {
addType(&Buffer, DTy);
addUInt(&Buffer, dwarf::DW_AT_enum_class, dwarf::DW_FORM_flag, 1);
}
}
break;
case dwarf::DW_TAG_subroutine_type: {
- // Add return type.
+ // Add return type. A void return won't have a type.
DIArray Elements = CTy.getTypeArray();
DIDescriptor RTy = Elements.getElement(0);
- addType(&Buffer, DIType(RTy));
+ if (RTy)
+ addType(&Buffer, DIType(RTy));
bool isPrototyped = true;
// Add arguments.
}
// Add prototype flag if we're dealing with a C language and the
// function has been prototyped.
+ uint16_t Language = DICompileUnit(Node).getLanguage();
if (isPrototyped &&
(Language == dwarf::DW_LANG_C89 ||
Language == dwarf::DW_LANG_C99 ||
case dwarf::DW_TAG_class_type: {
// Add elements to structure type.
DIArray Elements = CTy.getTypeArray();
-
- // A forward struct declared type may not have elements available.
- unsigned N = Elements.getNumElements();
- if (N == 0)
- break;
-
- // Add elements to structure type.
- for (unsigned i = 0; i < N; ++i) {
+ for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
DIDescriptor Element = Elements.getElement(i);
DIE *ElemDie = NULL;
if (Element.isSubprogram()) {
return ParamDIE;
ParamDIE = new DIE(dwarf::DW_TAG_template_type_parameter);
- addType(ParamDIE, TP.getType());
+ // Add the type if it exists, it could be void and therefore no type.
+ if (TP.getType())
+ addType(ParamDIE, TP.getType());
if (!TP.getName().empty())
addString(ParamDIE, dwarf::DW_AT_name, TP.getName());
return ParamDIE;
/// getOrCreateTemplateValueParameterDIE - Find existing DIE or create new DIE
/// for the given DITemplateValueParameter.
DIE *
-CompileUnit::getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TPV){
- DIE *ParamDIE = getDIE(TPV);
+CompileUnit::getOrCreateTemplateValueParameterDIE(DITemplateValueParameter VP) {
+ DIE *ParamDIE = getDIE(VP);
if (ParamDIE)
return ParamDIE;
- ParamDIE = new DIE(TPV.getTag());
- addType(ParamDIE, TPV.getType());
- if (!TPV.getName().empty())
- addString(ParamDIE, dwarf::DW_AT_name, TPV.getName());
- if (Value *Val = TPV.getValue()) {
+ ParamDIE = new DIE(VP.getTag());
+
+ // Add the type if there is one, template template and template parameter
+ // packs will not have a type.
+ if (VP.getType())
+ addType(ParamDIE, VP.getType());
+ if (!VP.getName().empty())
+ addString(ParamDIE, dwarf::DW_AT_name, VP.getName());
+ if (Value *Val = VP.getValue()) {
if (ConstantInt *CI = dyn_cast<ConstantInt>(Val))
- addConstantValue(ParamDIE, CI, TPV.getType().isUnsignedDIType());
+ addConstantValue(ParamDIE, CI, VP.getType().isUnsignedDIType());
else if (GlobalValue *GV = dyn_cast<GlobalValue>(Val)) {
// For declaration non-type template parameters (such as global values and
// functions)
// parameter, rather than a pointer to it.
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_stack_value);
addBlock(ParamDIE, dwarf::DW_AT_location, 0, Block);
- } else if (TPV.getTag() == dwarf::DW_TAG_GNU_template_template_param) {
+ } else if (VP.getTag() == dwarf::DW_TAG_GNU_template_template_param) {
assert(isa<MDString>(Val));
addString(ParamDIE, dwarf::DW_AT_GNU_template_name,
cast<MDString>(Val)->getString());
- } else if (TPV.getTag() == dwarf::DW_TAG_GNU_template_parameter_pack) {
+ } else if (VP.getTag() == dwarf::DW_TAG_GNU_template_parameter_pack) {
assert(isa<MDNode>(Val));
DIArray A(cast<MDNode>(Val));
addTemplateParams(*ParamDIE, A);
// Add the prototype if we have a prototype and we have a C like
// language.
+ uint16_t Language = DICompileUnit(Node).getLanguage();
if (SP.isPrototyped() &&
(Language == dwarf::DW_LANG_C89 ||
Language == dwarf::DW_LANG_C99 ||
Language == dwarf::DW_LANG_ObjC))
addFlag(SPDie, dwarf::DW_AT_prototyped);
- // Add Return Type.
+ // Add Return Type. A void return type will not have a type.
DICompositeType SPTy = SP.getType();
assert(SPTy.getTag() == dwarf::DW_TAG_subroutine_type &&
"the type of a subprogram should be a subroutine");
DIArray Args = SPTy.getTypeArray();
- addType(SPDie, DIType(Args.getElement(0)));
+ if (Args.getElement(0))
+ addType(SPDie, DIType(Args.getElement(0)));
unsigned VK = SP.getVirtuality();
if (VK) {
if (CTy->isVector())
addFlag(&Buffer, dwarf::DW_AT_GNU_vector);
- // Emit derived type.
+ // Emit the element type.
addType(&Buffer, CTy->getTypeDerivedFrom());
- DIArray Elements = CTy->getTypeArray();
// Get an anonymous type for index type.
// FIXME: This type should be passed down from the front end
}
// Add subranges to array type.
+ DIArray Elements = CTy->getTypeArray();
for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
DIDescriptor Element = Elements.getElement(i);
if (Element.getTag() == dwarf::DW_TAG_subrange_type)
StringRef Name = DV->getName();
// Translate tag to proper Dwarf tag.
- unsigned Tag = DV->getTag();
+ uint16_t Tag = DV->getTag();
// Define variable debug information entry.
DIE *VariableDie = new DIE(Tag);
addDIEEntry(VariableDie, dwarf::DW_AT_abstract_origin,
dwarf::DW_FORM_ref4, AbsDIE);
else {
- addString(VariableDie, dwarf::DW_AT_name, Name);
+ if (!Name.empty())
+ addString(VariableDie, dwarf::DW_AT_name, Name);
addSourceLine(VariableDie, DV->getVariable());
addType(VariableDie, DV->getType());
}
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