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Let Objective-C front-end identify class extension, in dwarf output, using an attribute DW_AT_APPLE_objc_class_extension.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131238 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-05-12 19:06:16 +00:00
parent 30adced41b
commit b11f80e94b
4 changed files with 19 additions and 9 deletions
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22
include/llvm/Analysis/DebugInfo.h
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@ -49,15 +49,16 @@ namespace llvm {
class DIDescriptor {
public:
enum {
FlagPrivate = 1 << 0,
FlagProtected = 1 << 1,
FlagFwdDecl = 1 << 2,
FlagAppleBlock = 1 << 3,
FlagBlockByrefStruct = 1 << 4,
FlagVirtual = 1 << 5,
FlagArtificial = 1 << 6,
FlagExplicit = 1 << 7,
FlagPrototyped = 1 << 8
FlagPrivate = 1 << 0,
FlagProtected = 1 << 1,
FlagFwdDecl = 1 << 2,
FlagAppleBlock = 1 << 3,
FlagBlockByrefStruct = 1 << 4,
FlagVirtual = 1 << 5,
FlagArtificial = 1 << 6,
FlagExplicit = 1 << 7,
FlagPrototyped = 1 << 8,
FlagObjcClassExtension = 1 << 9
};
protected:
const MDNode *DbgNode;
@ -271,6 +272,9 @@ namespace llvm {
bool isArtificial() const {
return (getFlags() & FlagArtificial) != 0;
}
bool isObjcClassExtension() const {
return (getFlags() & FlagObjcClassExtension) != 0;
}
bool isValid() const {
return DbgNode && (isBasicType() || isDerivedType() || isCompositeType());
}

1
include/llvm/Support/Dwarf.h
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@ -235,6 +235,7 @@ enum dwarf_constants {
DW_AT_APPLE_property_getter = 0x3fe9,
DW_AT_APPLE_property_setter = 0x3fea,
DW_AT_APPLE_property_attribute = 0x3feb,
DW_AT_APPLE_objc_class_extension = 0x3fec,
// Attribute form encodings
DW_FORM_addr = 0x01,

4
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -766,6 +766,10 @@ void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
addToContextOwner(&Buffer, Context);
}
if (CTy.isObjcClassExtension())
addUInt(&Buffer, dwarf::DW_AT_APPLE_objc_class_extension,
dwarf::DW_FORM_flag, 1);
if (Tag == dwarf::DW_TAG_class_type)
addTemplateParams(Buffer, CTy.getTemplateParams());

1
lib/Support/Dwarf.cpp
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@ -207,6 +207,7 @@ const char *llvm::dwarf::AttributeString(unsigned Attribute) {
case DW_AT_APPLE_property_getter: return "DW_AT_APPLE_property_getter";
case DW_AT_APPLE_property_setter: return "DW_AT_APPLE_property_setter";
case DW_AT_APPLE_property_attribute: return "DW_AT_APPLE_property_attribute";
case DW_AT_APPLE_objc_class_extension: return "DW_AT_APPLE_objc_class_extension";
}
return 0;
}