commit 13319ceffdd99d153e62011c5dda08b95e3279e3
author Devang Patel <dpatel@apple.com> Tue Feb 17 22:43:44 2009 +0000
committer Devang Patel <dpatel@apple.com> Tue Feb 17 22:43:44 2009 +0000
tree 2dd5941ede80a7006db04096651c6c048d7d6c2d
parent fdc40a0a696c658d550d894ea03772e5f8af2c94

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.

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

lib/Analysis/DebugInfo.cpp

diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 10356e5..12bb292 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -453,7 +453,8 @@
                                            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 @@
     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 @@
                                                uint64_t OffsetInBits,
                                                unsigned Flags,
                                                DIType DerivedFrom,
-                                               DIArray Elements) {
+                                               DIArray Elements,
+                                               unsigned RuntimeLang) {
 
   Constant *Elts[] = {
     GetTagConstant(Tag),
@@ -586,7 +589,8 @@
     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]));