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Added basic support for typedefs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26339 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2006-02-23 22:37:30 +00:00
parent d0839f3071
commit 434b40b42f
3 changed files with 94 additions and 16 deletions
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35
lib/CodeGen/DwarfWriter.cpp
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@@ -1244,23 +1244,34 @@ DIE *DwarfWriter::NewType(DIE *Unit, TypeDesc *TyDesc) {
// FIXME - handle larger sizes.
unsigned Size = TyDesc->getSize() >> 3;
// Determine how to handle.
if (BasicTypeDesc *BasicTyDesc = dyn_cast<BasicTypeDesc>(TyDesc)) {
unsigned Encoding = BasicTyDesc->getEncoding();
DIE *Ty = NULL;
DIE *Ty = new DIE(DW_TAG_base_type);
if (!Name.empty()) Ty->AddString(DW_AT_name, DW_FORM_string, Name);
Ty->AddUInt (DW_AT_byte_size, 0, Size);
Ty->AddUInt (DW_AT_encoding, DW_FORM_data1, Encoding);
// Determine how to handle.
if (BasicTypeDesc *BasicTy = dyn_cast<BasicTypeDesc>(TyDesc)) {
Slot = Ty = new DIE(DW_TAG_base_type);
unsigned Encoding = BasicTy->getEncoding();
Ty->AddUInt (DW_AT_encoding, DW_FORM_data1, Encoding);
} else if (TypedefDesc *TypedefTy = dyn_cast<TypedefDesc>(TyDesc)) {
Slot = Ty = new DIE(DW_TAG_typedef);
TypeDesc *FromTy = TypedefTy->getFromType();
DIE *FromTyDie = NewType(Unit, FromTy);
CompileUnitDesc *File = TypedefTy->getFile();
unsigned FileID = DebugInfo->RecordSource(File);
int Line = TypedefTy->getLine();
Slot = Ty;
} else {
assert(0 && "Type not supported yet");
Ty->AddDIEntry(DW_AT_type, DW_FORM_ref4, FromTyDie);
Ty->AddUInt (DW_AT_decl_file, 0, FileID);
Ty->AddUInt (DW_AT_decl_line, 0, Line);
}
assert(Ty && "Type not supported yet");
// Add common information.
if (Size) Ty->AddUInt(DW_AT_byte_size, 0, Size);
if (!Name.empty()) Ty->AddString(DW_AT_name, DW_FORM_string, Name);
// Add to context owner.
Unit->AddChild(Slot);
Unit->AddChild(Ty);
return Slot;
}