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| author | Devang Patel <dpatel@apple.com> | 2009-02-17 22:43:44 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-02-17 22:43:44 +0000 |
| commit | 74193d7985574276506f66644ae06ab2f8db1484 (patch) | |
| tree | 2dd5941ede80a7006db04096651c6c048d7d6c2d /lib/CodeGen/AsmPrinter/DwarfWriter.cpp | |
| parent | 91099d69c3f33ae818f27ae0f8f7f499b94ff95a (diff) | |
| download | external_llvm-74193d7985574276506f66644ae06ab2f8db1484.zip external_llvm-74193d7985574276506f66644ae06ab2f8db1484.tar.gz external_llvm-74193d7985574276506f66644ae06ab2f8db1484.tar.bz2 | |
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
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfWriter.cpp')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfWriter.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp index 5e79a81..3368f5d 100644 --- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp @@ -1770,6 +1770,9 @@ private: DIDerivedType(Element.getGV())); Buffer.AddChild(ElemDie); } + unsigned RLang = CTy.getRunTimeLang(); + if (RLang) + AddUInt(&Buffer, DW_AT_APPLE_runtime_class, DW_FORM_data1, RLang); } break; default: @@ -2800,6 +2803,9 @@ private: const std::string &Flags = DIUnit.getFlags(); if (!Flags.empty()) AddString(Die, DW_AT_APPLE_flags, DW_FORM_string, Flags); + unsigned RVer = DIUnit.getRunTimeVersion(); + if (RVer) + AddUInt(Die, DW_AT_APPLE_major_runtime_vers, DW_FORM_data1, RVer); CompileUnit *Unit = new CompileUnit(ID, Die); if (DIUnit.isMain()) { |