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Add type DIEs using DebugInfo.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-01-05 21:47:57 +00:00
parent 676b9dfe2f
commit 48d190f4d7
1 changed files with 79 additions and 9 deletions
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88
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -723,10 +723,12 @@ private:
/// DescToDieMap - Tracks the mapping of unit level debug informaton
/// descriptors to debug information entries.
std::map<DebugInfoDesc *, DIE *> DescToDieMap;
DenseMap<GlobalVariable *, DIE *> GVToDieMap;
/// DescToDIEntryMap - Tracks the mapping of unit level debug informaton
/// descriptors to debug information entries using a DIEntry proxy.
std::map<DebugInfoDesc *, DIEntry *> DescToDIEntryMap;
DenseMap<GlobalVariable *, DIEntry *> GVToDIEntryMap;
/// Globals - A map of globally visible named entities for this unit.
///
@ -746,7 +748,9 @@ public:
, ID(I)
, Die(D)
, DescToDieMap()
, GVToDieMap()
, DescToDIEntryMap()
, GVToDIEntryMap()
, Globals()
, DiesSet(InitDiesSetSize)
, Dies()
@ -782,12 +786,18 @@ public:
DIE *&getDieMapSlotFor(DebugInfoDesc *DID) {
return DescToDieMap[DID];
}
DIE *&getDieMapSlotFor(GlobalVariable *GV) {
return GVToDieMap[GV];
}
/// getDIEntrySlotFor - Returns the debug information entry proxy slot for the
/// specified debug descriptor.
DIEntry *&getDIEntrySlotFor(DebugInfoDesc *DID) {
return DescToDIEntryMap[DID];
}
DIEntry *&getDIEntrySlotFor(GlobalVariable *GV) {
return GVToDIEntryMap[GV];
}
/// AddDie - Adds or interns the DIE to the compile unit.
///
@ -1497,6 +1507,39 @@ private:
}
}
/// AddType - Add a new type attribute to the specified entity.
void AddType(CompileUnit *DW_Unit, DIE *Entity, DIType Ty) {
if (Ty.isNull()) {
AddBasicType(Entity, DW_Unit, "", DW_ATE_signed, sizeof(int32_t));
return;
}
// Check for pre-existence.
DIEntry *&Slot = DW_Unit->getDIEntrySlotFor(Ty.getGV());
// If it exists then use the existing value.
if (Slot) {
Entity->AddValue(DW_AT_type, DW_FORM_ref4, Slot);
return;
}
// Set up proxy.
Slot = NewDIEntry();
// 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);
// Add debug information entry to entity and unit.
DIE *Die = DW_Unit->AddDie(Buffer);
SetDIEntry(Slot, Die);
Entity->AddValue(DW_AT_type, DW_FORM_ref4, Slot);
}
/// ConstructTypeDIE - Construct basic type die from DIBasicType.
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DIBasicType *BTy) {
@ -1526,7 +1569,7 @@ private:
Buffer.setTag(Tag);
// Map to main type, void will not have a type.
DIType FromTy = DTy->getTypeDerivedFrom();
// FIXME - Enable this. AddType(&Buffer, FromTy, DW_Unit);
AddType(DW_Unit, &Buffer, FromTy);
// Add name if not anonymous or intermediate type.
if (!Name.empty()) AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
@ -1567,11 +1610,25 @@ private:
AddUInt(&Buffer, DW_AT_prototyped, DW_FORM_flag, 1);
DIArray Elements = CTy->getTypeArray();
// Add return type.
// FIXME - Enable this.AddType(&Buffer, Elements.getElement(0), DW_Unit);
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, Elements.getElement(0));
// Add arguments.
for (unsigned i = 1, N = Elements.getNumElements(); i < N; ++i) {
DIE *Arg = new DIE(DW_TAG_formal_parameter);
// FIXME - Enable this.AddType(Arg, Elements.getElement(i), DW_Unit);
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);
Buffer.AddChild(Arg);
}
}
@ -1642,7 +1699,7 @@ private:
DIArray Elements = CTy->getTypeArray();
// FIXME - Enable this.
// AddType(&Buffer, CTy->getTypeDerivedFrom(), DW_Unit);
AddType(DW_Unit, &Buffer, CTy->getTypeDerivedFrom());
// Construct an anonymous type for index type.
DIE IdxBuffer(DW_TAG_base_type);
@ -1680,7 +1737,7 @@ private:
AddString(VariableDie, DW_AT_MIPS_linkage_name, DW_FORM_string,
LinkageName);
// FIXME - Enable this. AddSourceLine(VariableDie, V);
// FIXME - Enable this. AddType(VariableDie, V->getType(), DW_Unit);
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);
@ -1702,13 +1759,26 @@ private:
DIArray Args = MTy.getTypeArray();
// Add Return Type.
// FIXME - Enable this. if (!IsConstructor)
// Fixme - Enable this. AddType(Method, Args.getElement(0), DW_Unit);
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);
}
// Add arguments.
for (unsigned i = 1, N = Args.getNumElements(); i < N; ++i) {
DIE *Arg = new DIE(DW_TAG_formal_parameter);
// FIXME - Enable this. AddType(Arg, Args.getElement(i), DW_Unit);
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);
AddUInt(Arg, DW_AT_artificial, DW_FORM_flag, 1); // ???
Method->AddChild(Arg);
}
@ -1728,7 +1798,7 @@ private:
// FIXME - Enable this. AddSourceLine(MemberDie, DTy);
DIType FromTy = DTy->getTypeDerivedFrom();
// FIXME - Enable this. AddType(MemberDie, FromTy, DW_Unit);
AddType(DW_Unit, MemberDie, FromTy);
uint64_t Size = DTy->getSizeInBits();
uint64_t Offset = DTy->getOffsetInBits();