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DwarfWriter reading basic type information from llvm-gcc4 code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26331 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2006-02-23 16:58:18 +00:00
parent 7718658064
commit f4afdd9f41
4 changed files with 208 additions and 14 deletions
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42
lib/CodeGen/DwarfWriter.cpp
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@ -1232,7 +1232,40 @@ void DwarfWriter::NewGlobalEntity(const std::string &Name, DIE *Entity) {
GlobalEntities[Name] = Entity;
}
/// NewCompileUnit - Create new compile unit information.
/// NewType - Create a new type DIE.
///
DIE *DwarfWriter::NewType(DIE *Unit, TypeDesc *TyDesc) {
// Check for pre-existence.
DIE *&Slot = DescToDieMap[TyDesc];
if (Slot) return Slot;
// Get core information.
const std::string &Name = TyDesc->getName();
// 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 = 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);
Slot = Ty;
} else {
assert(0 && "Type not supported yet");
}
// Add to context owner.
Unit->AddChild(Slot);
return Slot;
}
/// NewCompileUnit - Create new compile unit DIE.
///
DIE *DwarfWriter::NewCompileUnit(CompileUnitDesc *CompileUnit) {
// Check for pre-existence.
@ -1275,9 +1308,10 @@ DIE *DwarfWriter::NewGlobalVariable(GlobalVariableDesc *GVD) {
unsigned FileID = DebugInfo->RecordSource(CompileUnit);
unsigned Line = GVD->getLine();
// FIXME - faking the type for the time being.
DIE *Type = NewBasicType(Unit, Type::IntTy);
// Get the global's type.
DIE *Type = NewType(Unit, GVD->getTypeDesc());
// Create the globale variable DIE.
DIE *VariableDie = new DIE(DW_TAG_variable);
VariableDie->AddString (DW_AT_name, DW_FORM_string, Name);
VariableDie->AddUInt (DW_AT_decl_file, 0, FileID);