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MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112492 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-08-30 17:20:17 +00:00
parent 392953262e
commit 6cc53be24c
1 changed files with 5 additions and 3 deletions
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8
lib/MC/ELFObjectWriter.cpp
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@ -367,6 +367,11 @@ void ELFObjectWriterImpl::WriteSymbol(MCDataFragment *F, ELFSymbolData &MSD,
if (Data.isCommon() && Data.isExternal())
Value = Data.getCommonAlignment();
if (!Data.isCommon())
if (MCFragment *FF = Data.getFragment())
Value = Layout.getSymbolAddress(&Data) -
Layout.getSectionAddress(FF->getParent());
ESize = Data.getSize();
if (Data.getSize()) {
MCValue Res;
@ -380,12 +385,9 @@ void ELFObjectWriterImpl::WriteSymbol(MCDataFragment *F, ELFSymbolData &MSD,
Layout.getAssembler().getSymbolData(Res.getSymB()->getSymbol());
Size = Layout.getSymbolAddress(&A) - Layout.getSymbolAddress(&B);
Value = Layout.getSymbolAddress(&Data);
}
} else if (ESize->getKind() == MCExpr::Constant) {
Size = static_cast<const MCConstantExpr *>(ESize)->getValue();
MCFragment *F = Data.getFragment();
Value = Layout.getSymbolAddress(&Data) - Layout.getSectionAddress(F->getParent());
} else {
assert(0 && "Unsupported size expression");
}