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Use lightweight DebugInfo objects directly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62276 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-01-15 19:26:23 +00:00
parent 79ce276083
commit f193ff0590
3 changed files with 66 additions and 83 deletions
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1
include/llvm/Analysis/DebugInfo.h
View File

@ -160,6 +160,7 @@ namespace llvm {
// ctor.
DIType(GlobalVariable *GV, bool, bool) : DIDescriptor(GV) {}
public:
/// isDerivedType - Return true if the specified tag is legal for
/// DIDerivedType.
static bool isDerivedType(unsigned TAG);

147
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
View File

@ -1668,13 +1668,15 @@ private:
// Construct type.
DIE Buffer(DW_TAG_base_type);
if (DIBasicType *BT = dyn_cast<DIBasicType>(&Ty))
ConstructTypeDIE(DW_Unit, Buffer, BT);
else if (DIDerivedType *DT = dyn_cast<DIDerivedType>(&Ty))
ConstructTypeDIE(DW_Unit, Buffer, DT);
else if (DICompositeType *CT = dyn_cast<DICompositeType>(&Ty))
ConstructTypeDIE(DW_Unit, Buffer, CT);
if (Ty.isBasicType(Ty.getTag()))
ConstructTypeDIE(DW_Unit, Buffer, DIBasicType(Ty.getGV()));
else if (Ty.isDerivedType(Ty.getTag()))
ConstructTypeDIE(DW_Unit, Buffer, DIDerivedType(Ty.getGV()));
else {
assert (Ty.isCompositeType(Ty.getTag()) && "Unknown kind of DIType");
ConstructTypeDIE(DW_Unit, Buffer, DICompositeType(Ty.getGV()));
}
// Add debug information entry to entity and unit.
DIE *Die = DW_Unit->AddDie(Buffer);
SetDIEntry(Slot, Die);
@ -1683,33 +1685,33 @@ private:
/// ConstructTypeDIE - Construct basic type die from DIBasicType.
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DIBasicType *BTy) {
DIBasicType BTy) {
// Get core information.
const std::string &Name = BTy->getName();
const std::string &Name = BTy.getName();
Buffer.setTag(DW_TAG_base_type);
AddUInt(&Buffer, DW_AT_encoding, DW_FORM_data1, BTy->getEncoding());
AddUInt(&Buffer, DW_AT_encoding, DW_FORM_data1, BTy.getEncoding());
// Add name if not anonymous or intermediate type.
if (!Name.empty())
AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
uint64_t Size = BTy->getSizeInBits() >> 3;
uint64_t Size = BTy.getSizeInBits() >> 3;
AddUInt(&Buffer, DW_AT_byte_size, 0, Size);
}
/// ConstructTypeDIE - Construct derived type die from DIDerivedType.
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DIDerivedType *DTy) {
DIDerivedType DTy) {
// Get core information.
const std::string &Name = DTy->getName();
uint64_t Size = DTy->getSizeInBits() >> 3;
unsigned Tag = DTy->getTag();
const std::string &Name = DTy.getName();
uint64_t Size = DTy.getSizeInBits() >> 3;
unsigned Tag = DTy.getTag();
// FIXME - Workaround for templates.
if (Tag == DW_TAG_inheritance) Tag = DW_TAG_reference_type;
Buffer.setTag(Tag);
// Map to main type, void will not have a type.
DIType FromTy = DTy->getTypeDerivedFrom();
DIType FromTy = DTy.getTypeDerivedFrom();
AddType(DW_Unit, &Buffer, FromTy);
// Add name if not anonymous or intermediate type.
@ -1721,26 +1723,26 @@ private:
// Add source line info if available and TyDesc is not a forward
// declaration.
// FIXME - Enable this. if (!DTy->isForwardDecl())
// FIXME - Enable this. if (!DTy.isForwardDecl())
// FIXME - Enable this. AddSourceLine(&Buffer, *DTy);
}
/// ConstructTypeDIE - Construct type DIE from DICompositeType.
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DICompositeType *CTy) {
DICompositeType CTy) {
// Get core information.
const std::string &Name = CTy->getName();
uint64_t Size = CTy->getSizeInBits() >> 3;
unsigned Tag = CTy->getTag();
const std::string &Name = CTy.getName();
uint64_t Size = CTy.getSizeInBits() >> 3;
unsigned Tag = CTy.getTag();
switch (Tag) {
case DW_TAG_vector_type:
case DW_TAG_array_type:
ConstructArrayTypeDIE(DW_Unit, Buffer, CTy);
ConstructArrayTypeDIE(DW_Unit, Buffer, &CTy);
break;
//FIXME - Enable this.
// case DW_TAG_enumeration_type:
// DIArray Elements = CTy->getTypeArray();
// DIArray Elements = CTy.getTypeArray();
// // Add enumerators to enumeration type.
// for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i)
// ConstructEnumTypeDIE(Buffer, &Elements.getElement(i));
@ -1749,27 +1751,17 @@ private:
{
// Add prototype flag.
AddUInt(&Buffer, DW_AT_prototyped, DW_FORM_flag, 1);
DIArray Elements = CTy->getTypeArray();
DIArray Elements = CTy.getTypeArray();
// Add return type.
DIDescriptor RTy = Elements.getElement(0);
if (DIBasicType *BT = dyn_cast<DIBasicType>(&RTy))
AddType(DW_Unit, &Buffer, *BT);
else if (DIDerivedType *DT = dyn_cast<DIDerivedType>(&RTy))
AddType(DW_Unit, &Buffer, *DT);
else if (DICompositeType *CT = dyn_cast<DICompositeType>(&RTy))
AddType(DW_Unit, &Buffer, *CT);
AddType(DW_Unit, &Buffer, DIType(RTy.getGV()));
//AddType(DW_Unit, &Buffer, Elements.getElement(0));
// Add arguments.
for (unsigned i = 1, N = Elements.getNumElements(); i < N; ++i) {
DIE *Arg = new DIE(DW_TAG_formal_parameter);
DIDescriptor Ty = Elements.getElement(i);
if (DIBasicType *BT = dyn_cast<DIBasicType>(&Ty))
AddType(DW_Unit, &Buffer, *BT);
else if (DIDerivedType *DT = dyn_cast<DIDerivedType>(&Ty))
AddType(DW_Unit, &Buffer, *DT);
else if (DICompositeType *CT = dyn_cast<DICompositeType>(&Ty))
AddType(DW_Unit, &Buffer, *CT);
AddType(DW_Unit, &Buffer, DIType(Ty.getGV()));
Buffer.AddChild(Arg);
}
}
@ -1778,16 +1770,20 @@ private:
case DW_TAG_union_type:
{
// Add elements to structure type.
DIArray Elements = CTy->getTypeArray();
DIArray Elements = CTy.getTypeArray();
// Add elements to structure type.
for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
DIDescriptor Element = Elements.getElement(i);
if (DISubprogram *SP = dyn_cast<DISubprogram>(&Element))
ConstructFieldTypeDIE(DW_Unit, Buffer, SP);
else if (DIDerivedType *DT = dyn_cast<DIDerivedType>(&Element))
if (Element.getTag() == dwarf::DW_TAG_subprogram)
ConstructFieldTypeDIE(DW_Unit, Buffer, DISubprogram(Element.getGV()));
else if (Element.getTag() == dwarf::DW_TAG_variable)
ConstructFieldTypeDIE(DW_Unit, Buffer,
DIGlobalVariable(Element.getGV()));
else {
DIDerivedType DT = DIDerivedType(Element.getGV());
assert (DT.isDerivedType(DT.getTag()) && "Unexpected strcut element");
ConstructFieldTypeDIE(DW_Unit, Buffer, DT);
else if (DIGlobalVariable *GV = dyn_cast<DIGlobalVariable>(&Element))
ConstructFieldTypeDIE(DW_Unit, Buffer, GV);
}
}
}
break;
@ -1804,7 +1800,7 @@ private:
else {
// Add zero size even if it is not a forward declaration.
// FIXME - Enable this.
// if (!CTy->isDefinition())
// if (!CTy.isDefinition())
// AddUInt(&Buffer, DW_AT_declaration, DW_FORM_flag, 1);
// else
// AddUInt(&Buffer, DW_AT_byte_size, 0, 0);
@ -1813,14 +1809,14 @@ private:
// Add source line info if available and TyDesc is not a forward
// declaration.
// FIXME - Enable this.
// if (CTy->isForwardDecl())
// if (CTy.isForwardDecl())
// AddSourceLine(&Buffer, *CTy);
}
// ConstructSubrangeDIE - Construct subrange DIE from DISubrange.
void ConstructSubrangeDIE (DIE &Buffer, DISubrange *SR, DIE *IndexTy) {
int64_t L = SR->getLo();
int64_t H = SR->getHi();
void ConstructSubrangeDIE (DIE &Buffer, DISubrange SR, DIE *IndexTy) {
int64_t L = SR.getLo();
int64_t H = SR.getHi();
DIE *DW_Subrange = new DIE(DW_TAG_subrange_type);
if (L != H) {
AddDIEntry(DW_Subrange, DW_AT_type, DW_FORM_ref4, IndexTy);
@ -1851,8 +1847,8 @@ private:
// Add subranges to array type.
for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
DIDescriptor Element = Elements.getElement(i);
if (DISubrange *SR = dyn_cast<DISubrange>(&Element))
ConstructSubrangeDIE(Buffer, SR, IndexTy);
if (Element.getTag() == dwarf::DW_TAG_subrange_type)
ConstructSubrangeDIE(Buffer, DISubrange(Element.getGV()), IndexTy);
}
}
@ -1870,16 +1866,16 @@ private:
/// ConstructFieldTypeDIE - Construct variable DIE for a struct field.
void ConstructFieldTypeDIE(CompileUnit *DW_Unit,
DIE &Buffer, DIGlobalVariable *V) {
DIE &Buffer, DIGlobalVariable V) {
DIE *VariableDie = new DIE(DW_TAG_variable);
const std::string &LinkageName = V->getLinkageName();
const std::string &LinkageName = V.getLinkageName();
if (!LinkageName.empty())
AddString(VariableDie, DW_AT_MIPS_linkage_name, DW_FORM_string,
LinkageName);
// FIXME - Enable this. AddSourceLine(VariableDie, V);
AddType(DW_Unit, VariableDie, V->getType());
if (!V->isLocalToUnit())
AddType(DW_Unit, VariableDie, V.getType());
if (!V.isLocalToUnit())
AddUInt(VariableDie, DW_AT_external, DW_FORM_flag, 1);
AddUInt(VariableDie, DW_AT_declaration, DW_FORM_flag, 1);
Buffer.AddChild(VariableDie);
@ -1887,62 +1883,49 @@ private:
/// ConstructFieldTypeDIE - Construct subprogram DIE for a struct field.
void ConstructFieldTypeDIE(CompileUnit *DW_Unit,
DIE &Buffer, DISubprogram *SP,
DIE &Buffer, DISubprogram SP,
bool IsConstructor = false) {
DIE *Method = new DIE(DW_TAG_subprogram);
AddString(Method, DW_AT_name, DW_FORM_string, SP->getName());
const std::string &LinkageName = SP->getLinkageName();
AddString(Method, DW_AT_name, DW_FORM_string, SP.getName());
const std::string &LinkageName = SP.getLinkageName();
if (!LinkageName.empty())
AddString(Method, DW_AT_MIPS_linkage_name, DW_FORM_string, LinkageName);
// FIXME - Enable this. AddSourceLine(Method, SP);
DICompositeType MTy = SP->getType();
DICompositeType MTy = SP.getType();
DIArray Args = MTy.getTypeArray();
// Add Return Type.
if (!IsConstructor) {
DIDescriptor Ty = Args.getElement(0);
if (DIBasicType *BT = dyn_cast<DIBasicType>(&Ty))
AddType(DW_Unit, Method, *BT);
else if (DIDerivedType *DT = dyn_cast<DIDerivedType>(&Ty))
AddType(DW_Unit, Method, *DT);
else if (DICompositeType *CT = dyn_cast<DICompositeType>(&Ty))
AddType(DW_Unit, Method, *CT);
}
if (!IsConstructor)
AddType(DW_Unit, Method, DIType(Args.getElement(0).getGV()));
// Add arguments.
for (unsigned i = 1, N = Args.getNumElements(); i < N; ++i) {
DIE *Arg = new DIE(DW_TAG_formal_parameter);
DIDescriptor Ty = Args.getElement(i);
if (DIBasicType *BT = dyn_cast<DIBasicType>(&Ty))
AddType(DW_Unit, Method, *BT);
else if (DIDerivedType *DT = dyn_cast<DIDerivedType>(&Ty))
AddType(DW_Unit, Method, *DT);
else if (DICompositeType *CT = dyn_cast<DICompositeType>(&Ty))
AddType(DW_Unit, Method, *CT);
AddType(DW_Unit, Method, DIType(Args.getElement(i).getGV()));
AddUInt(Arg, DW_AT_artificial, DW_FORM_flag, 1); // ???
Method->AddChild(Arg);
}
if (!SP->isLocalToUnit())
if (!SP.isLocalToUnit())
AddUInt(Method, DW_AT_external, DW_FORM_flag, 1);
Buffer.AddChild(Method);
}
/// COnstructFieldTypeDIE - Construct derived type DIE for a struct field.
/// ConstructFieldTypeDIE - Construct derived type DIE for a struct field.
void ConstructFieldTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DIDerivedType *DTy) {
unsigned Tag = DTy->getTag();
DIDerivedType DTy) {
unsigned Tag = DTy.getTag();
DIE *MemberDie = new DIE(Tag);
if (!DTy->getName().empty())
AddString(MemberDie, DW_AT_name, DW_FORM_string, DTy->getName());
if (!DTy.getName().empty())
AddString(MemberDie, DW_AT_name, DW_FORM_string, DTy.getName());
// FIXME - Enable this. AddSourceLine(MemberDie, DTy);
DIType FromTy = DTy->getTypeDerivedFrom();
DIType FromTy = DTy.getTypeDerivedFrom();
AddType(DW_Unit, MemberDie, FromTy);
uint64_t Size = DTy->getSizeInBits();
uint64_t Offset = DTy->getOffsetInBits();
uint64_t Size = DTy.getSizeInBits();
uint64_t Offset = DTy.getOffsetInBits();
// FIXME Handle bitfields

1
test/FrontendC++/2006-11-06-StackTrace.cpp
View File

@ -12,7 +12,6 @@
// Only works on ppc, x86 and x86_64. Should generalize?
// FIXME: Un-XFAIL this test for Linux when debug stuff is working again.
// XFAIL: alpha|ia64|arm|linux
// XFAIL: *
#include <stdlib.h>