[llvm-commits] [llvm] r131238 - in /llvm/trunk: include/llvm/Analysis/DebugInfo.h include/llvm/Support/Dwarf.h lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp lib/Support/Dwarf.cpp

[Devang Patel]

Author: dpatel
Date: Thu May 12 14:06:16 2011
New Revision: 131238

URL: http://llvm.org/viewvc/llvm-project?rev=131238&view=rev
Log:
Let Objective-C front-end identify class extension, in dwarf output, using an attribute DW_AT_APPLE_objc_class_extension.

Modified:
    llvm/trunk/include/llvm/Analysis/DebugInfo.h
    llvm/trunk/include/llvm/Support/Dwarf.h
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
    llvm/trunk/lib/Support/Dwarf.cpp

Modified: llvm/trunk/include/llvm/Analysis/DebugInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/DebugInfo.h?rev=131238&r1=131237&r2=131238&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/DebugInfo.h (original)
+++ llvm/trunk/include/llvm/Analysis/DebugInfo.h Thu May 12 14:06:16 2011
@@ -49,15 +49,16 @@
   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 @@
     bool isArtificial() const {
       return (getFlags() & FlagArtificial) != 0;
     }
+    bool isObjcClassExtension() const {
+      return (getFlags() & FlagObjcClassExtension) != 0;
+    }
     bool isValid() const {
       return DbgNode && (isBasicType() || isDerivedType() || isCompositeType());
     }

Modified: llvm/trunk/include/llvm/Support/Dwarf.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Dwarf.h?rev=131238&r1=131237&r2=131238&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/Dwarf.h (original)
+++ llvm/trunk/include/llvm/Support/Dwarf.h Thu May 12 14:06:16 2011
@@ -235,6 +235,7 @@
   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,

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=131238&r1=131237&r2=131238&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Thu May 12 14:06:16 2011
@@ -766,6 +766,10 @@
       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());
 

Modified: llvm/trunk/lib/Support/Dwarf.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Dwarf.cpp?rev=131238&r1=131237&r2=131238&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Dwarf.cpp (original)
+++ llvm/trunk/lib/Support/Dwarf.cpp Thu May 12 14:06:16 2011
@@ -207,6 +207,7 @@
   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;
 }