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Patch to a fix dwarf relocation problem on ARM. One-line fix plus the test where it used to break.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Renato Golin
2011-03-16 21:05:52 +00:00
parent 0a00615b34
commit 2589d0aedf
2 changed files with 116 additions and 2 deletions
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7
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -3272,7 +3272,9 @@ void DwarfDebug::emitDIE(DIE *Die) {
case dwarf::DW_AT_location: {
if (UseDotDebugLocEntry.count(Die) != 0) {
DIELabel *L = cast<DIELabel>(Values[i]);
Asm->EmitLabelDifference(L->getValue(), DwarfDebugLocSectionSym, 4);
// Emitting reference to label directly, so the assembler can
// emit the relocations and the offset automatically.
Asm->EmitReference(L->getValue(), dwarf::DW_EH_PE_udata4);
} else
Values[i]->EmitValue(Asm, Form);
break;
@ -3623,6 +3625,7 @@ void DwarfDebug::emitDebugLoc() {
if (DotDebugLocEntries.empty())
return;
// Group debug entries.
for (SmallVector<DotDebugLocEntry, 4>::iterator
I = DotDebugLocEntries.begin(), E = DotDebugLocEntries.end();
I != E; ++I) {
@ -3631,7 +3634,7 @@ void DwarfDebug::emitDebugLoc() {
Entry.Merge(I+1);
}
// Start the dwarf loc section.
// Start the dwarf location section.
Asm->OutStreamer.SwitchSection(
Asm->getObjFileLowering().getDwarfLocSection());
unsigned char Size = Asm->getTargetData().getPointerSize();