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DebugInfo: Do not use the DWARF Version for the .debug_pubnames or .debug_pubtypes version field

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Summary:
LLVM would generate DWARF with version 3 in the .debug_pubname and
.debug_pubtypes version fields.  This would lead SGI dwarfdump to fail
parsing the DWARF with (in the instance of .debug_pubnames) would exit
with:
dwarfdump ERROR:  dwarf_get_globals: DW_DLE_PUBNAMES_VERSION_ERROR (123)

This fixes PR16950.

Reviewers: echristo, dblaikie

Reviewed By: echristo

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1454

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188869 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
2013-08-21 06:13:34 +00:00
parent 5bdf397e25
commit d7d43dc435
3 changed files with 7 additions and 3 deletions
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5
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -35,6 +35,7 @@
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/MD5.h"
@ -2321,7 +2322,7 @@ void DwarfDebug::emitDebugPubnames() {
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubnames_begin", ID));
Asm->OutStreamer.AddComment("DWARF Version");
Asm->EmitInt16(DwarfVersion);
Asm->EmitInt16(dwarf::DW_PUBNAMES_VERSION);
Asm->OutStreamer.AddComment("Offset of Compilation Unit Info");
Asm->EmitSectionOffset(Asm->GetTempSymbol(ISec->getLabelBeginName(), ID),
@ -2368,7 +2369,7 @@ void DwarfDebug::emitDebugPubTypes() {
TheCU->getUniqueID()));
if (Asm->isVerbose()) Asm->OutStreamer.AddComment("DWARF Version");
Asm->EmitInt16(DwarfVersion);
Asm->EmitInt16(dwarf::DW_PUBTYPES_VERSION);
Asm->OutStreamer.AddComment("Offset of Compilation Unit Info");
const MCSection *ISec = Asm->getObjFileLowering().getDwarfInfoSection();