Introduce support to encode Objective-C property information in debugging information generated for an interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129624 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DIBuilder.cpp b/lib/Analysis/DIBuilder.cpp
index 108d2d2..9fea65b 100644
--- a/lib/Analysis/DIBuilder.cpp
+++ b/lib/Analysis/DIBuilder.cpp
@@ -236,6 +236,35 @@
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
+/// createObjCIVar - Create debugging information entry for Objective-C
+/// instance variable.
+DIType DIBuilder::createObjCIVar(StringRef Name,
+ DIFile File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits,
+ uint64_t OffsetInBits, unsigned Flags,
+ DIType Ty, StringRef PropertyName,
+ StringRef GetterName, StringRef SetterName,
+ unsigned PropertyAttributes) {
+ // TAG_member is encoded in DIDerivedType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_member),
+ File, // Or TheCU ? Ty ?
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ Ty,
+ MDString::get(VMContext, PropertyName),
+ MDString::get(VMContext, GetterName),
+ MDString::get(VMContext, SetterName),
+ ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes)
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
/// createClassType - Create debugging information entry for a class.
DIType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
DIFile File, unsigned LineNumber,
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 402e4fb..71a0330 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -969,5 +969,36 @@
if (DT.isVirtual())
addUInt(MemberDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_flag,
dwarf::DW_VIRTUALITY_virtual);
+
+ // Objective-C properties.
+ StringRef PropertyName = DT.getObjCPropertyName();
+ if (!PropertyName.empty()) {
+ addString(MemberDie, dwarf::DW_AT_APPLE_property_name, dwarf::DW_FORM_string,
+ PropertyName);
+ StringRef GetterName = DT.getObjCPropertyGetterName();
+ if (!GetterName.empty())
+ addString(MemberDie, dwarf::DW_AT_APPLE_property_getter,
+ dwarf::DW_FORM_string, GetterName);
+ StringRef SetterName = DT.getObjCPropertySetterName();
+ if (!SetterName.empty())
+ addString(MemberDie, dwarf::DW_AT_APPLE_property_setter,
+ dwarf::DW_FORM_string, SetterName);
+ unsigned PropertyAttributes = 0;
+ if (DT.isReadOnlyObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readonly;
+ if (DT.isReadWriteObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readwrite;
+ if (DT.isAssignObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_assign;
+ if (DT.isRetainObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_retain;
+ if (DT.isCopyObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_copy;
+ if (DT.isNonAtomicObjCProperty())
+ PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
+ if (PropertyAttributes)
+ addUInt(MemberDie, dwarf::DW_AT_APPLE_property_attribute, 0,
+ PropertyAttributes);
+ }
return MemberDie;
}
diff --git a/lib/Support/Dwarf.cpp b/lib/Support/Dwarf.cpp
index 9799ef5..25cf531 100644
--- a/lib/Support/Dwarf.cpp
+++ b/lib/Support/Dwarf.cpp
@@ -203,6 +203,10 @@
case DW_AT_APPLE_major_runtime_vers: return "DW_AT_APPLE_major_runtime_vers";
case DW_AT_APPLE_runtime_class: return "DW_AT_APPLE_runtime_class";
case DW_AT_APPLE_omit_frame_ptr: return "DW_AT_APPLE_omit_frame_ptr";
+ case DW_AT_APPLE_property_name: return "DW_AT_APPLE_property_name";
+ 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";
}
return 0;
}