diff options
| author | Manman Ren <mren@apple.com> | 2013-04-04 00:22:54 +0000 |
|---|---|---|
| committer | Manman Ren <mren@apple.com> | 2013-04-04 00:22:54 +0000 |
| commit | e3d75ee2a1c8ea11fd01fc49055d08f2da7f5668 (patch) | |
| tree | 1917974353321b66c1fc013783533a6c8f465258 /lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | 296ffab5625fe83d804f1dd5d5517954082b6622 (diff) | |
Debug Info: according to DWARF 2, FORM_ref_addr the same size as an address on
the target system.
It was hard-coded to 4 bytes before. I can't get llvm to generate a
ref_addr on a reasonably sized testing case.
rdar://problem/13559431
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178722 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index d3cb4f9c1c..b6b0bb1237 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1791,7 +1791,14 @@ void DwarfDebug::emitDIE(DIE *Die, std::vector<DIEAbbrev *> *Abbrevs) { DwarfUnits &Holder = useSplitDwarf() ? SkeletonHolder : InfoHolder; Addr += Holder.getCUOffset(Origin->getCompileUnit()); } - Asm->EmitInt32(Addr); + // DWARF4: References that use the attribute form DW_FORM_ref_addr are + // specified to be four bytes in the DWARF 32-bit format and eight bytes + // in the DWARF 64-bit format, while DWARF Version 2 specifies that such + // references have the same size as an address on the target system. + // Our current version is version 2. + Asm->OutStreamer.EmitIntValue(Addr, + Form == dwarf::DW_FORM_ref_addr ? + Asm->getDataLayout().getPointerSize() : 4); break; } case dwarf::DW_AT_ranges: { |