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The debugger sometimes lookup dynamically in the runtime to find ivar info of any Objective-C classes. It would be very helpful to debugger if the compiler encodes runtime version number in DWARF.

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Add support for two additional DWARF attributes to encode Objective-C runtime version number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64834 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-02-17 22:43:44 +00:00
parent fdc40a0a69
commit 13319ceffd
6 changed files with 31 additions and 6 deletions
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12
lib/Analysis/DebugInfo.cpp
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@ -453,7 +453,8 @@ DICompileUnit DIFactory::CreateCompileUnit(unsigned LangID,
const std::string &Producer,
bool isMain,
bool isOptimized,
const char *Flags) {
const char *Flags,
unsigned RunTimeVer) {
Constant *Elts[] = {
GetTagConstant(dwarf::DW_TAG_compile_unit),
getCastToEmpty(GetOrCreateCompileUnitAnchor()),
@ -463,7 +464,8 @@ DICompileUnit DIFactory::CreateCompileUnit(unsigned LangID,
GetStringConstant(Producer),
ConstantInt::get(Type::Int1Ty, isMain),
ConstantInt::get(Type::Int1Ty, isOptimized),
GetStringConstant(Flags)
GetStringConstant(Flags),
ConstantInt::get(Type::Int32Ty, RunTimeVer)
};
Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
@ -573,7 +575,8 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
uint64_t OffsetInBits,
unsigned Flags,
DIType DerivedFrom,
DIArray Elements) {
DIArray Elements,
unsigned RuntimeLang) {
Constant *Elts[] = {
GetTagConstant(Tag),
@ -586,7 +589,8 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
ConstantInt::get(Type::Int64Ty, OffsetInBits),
ConstantInt::get(Type::Int32Ty, Flags),
getCastToEmpty(DerivedFrom),
getCastToEmpty(Elements)
getCastToEmpty(Elements),
ConstantInt::get(Type::Int32Ty, RuntimeLang)
};
Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));