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Construct basic and derived type DIEs using DebugInfo.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61714 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-01-05 17:57:47 +00:00
parent e035fa50f3
commit 08f053f5d1
1 changed files with 44 additions and 0 deletions
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44
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -23,6 +23,7 @@
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/CommandLine.h"
@ -1496,6 +1497,49 @@ private:
}
}
/// ConstructType - Construct basic type die from DIBasicType.
void ConstructType(CompileUnit *DW_Unit, DIE &Buffer,
DIBasicType *BTy) {
// Get core information.
const std::string &Name = BTy->getName();
Buffer.setTag(DW_TAG_base_type);
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;
AddUInt(&Buffer, DW_AT_byte_size, 0, Size);
}
void ConstructType(CompileUnit *DW_Unit, DIE &Buffer,
DIDerivedType *DTy) {
// Get core information.
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();
// FIXME - Enable this. AddType(&Buffer, FromTy, DW_Unit);
// Add name if not anonymous or intermediate type.
if (!Name.empty()) AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
// Add size if non-zero (derived types might be zero-sized.)
if (Size)
AddUInt(&Buffer, DW_AT_byte_size, 0, Size);
// Add source line info if available and TyDesc is not a forward
// declaration.
// FIXME - Enable this. if (!DTy->isForwardDecl())
// FIXME - Enable this. AddSourceLine(&Buffer, *DTy);
}
/// ConstructType - Adds all the required attributes to the type.
///
void ConstructType(DIE &Buffer, TypeDesc *TyDesc, CompileUnit *Unit) {