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MCELF: Use precomputed symbol indices, patch by Roman Divacky.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112079 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-08-25 20:09:43 +00:00
parent 2177a04e24
commit 7b83c26051
1 changed files with 7 additions and 11 deletions
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18
lib/MC/ELFObjectWriter.cpp
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@ -567,18 +567,14 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
uint64_t uint64_t
ELFObjectWriterImpl::getSymbolIndexInSymbolTable(const MCAssembler &Asm, ELFObjectWriterImpl::getSymbolIndexInSymbolTable(const MCAssembler &Asm,
const MCSymbol *S) { const MCSymbol *S) {
for (unsigned i = 0, e = LocalSymbolData.size(); i != e; ++i) MCSymbolData &SD = Asm.getSymbolData(*S);
if (&LocalSymbolData[i].SymbolData->getSymbol() == S)
return i + /* empty symbol */ 1;
for (unsigned i = 0, e = ExternalSymbolData.size(); i != e; ++i)
if (&ExternalSymbolData[i].SymbolData->getSymbol() == S)
return i + LocalSymbolData.size() + Asm.size() + /* empty symbol */ 1;
for (unsigned i = 0, e = UndefinedSymbolData.size(); i != e; ++i)
if (&UndefinedSymbolData[i].SymbolData->getSymbol() == S)
return i + LocalSymbolData.size() + ExternalSymbolData.size() +
Asm.size() + /* empty symbol */ 1;
llvm_unreachable("Cannot find symbol which should exist!"); // Local symbol.
if (!SD.isExternal() && !S->isUndefined())
return SD.getIndex() + /* empty symbol */ 1;
// External or undefined symbol.
return SD.getIndex() + Asm.size() + /* empty symbol */ 1;
} }
void ELFObjectWriterImpl::ComputeSymbolTable(MCAssembler &Asm) { void ELFObjectWriterImpl::ComputeSymbolTable(MCAssembler &Asm) {