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Simplify getSymbolIndexInSymbolTable by setting the actual index of

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the symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119022 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2010-11-14 03:12:24 +00:00
parent 7e528a1724
commit ab4a7afe98
1 changed files with 6 additions and 11 deletions
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17
lib/MC/ELFObjectWriter.cpp
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@ -159,8 +159,6 @@ namespace {
/// @}
int NumRegularSections;
bool NeedsGOT;
bool NeedsSymtabShndx;
@ -874,13 +872,7 @@ uint64_t
ELFObjectWriter::getSymbolIndexInSymbolTable(const MCAssembler &Asm,
const MCSymbol *S) {
MCSymbolData &SD = Asm.getSymbolData(*S);
// Local symbol.
if (!SD.isExternal() && !S->isUndefined())
return SD.getIndex() + /* empty symbol */ 1;
// External or undefined symbol.
return SD.getIndex() + NumRegularSections + /* empty symbol */ 1;
return SD.getIndex();
}
static bool isInSymtab(const MCAssembler &Asm, const MCSymbolData &Data,
@ -957,7 +949,7 @@ void ELFObjectWriter::ComputeSymbolTable(MCAssembler &Asm,
}
// Build section lookup table.
NumRegularSections = Asm.size();
int NumRegularSections = Asm.size();
// Index 0 is always the empty string.
StringMap<uint64_t> StringIndexMap;
@ -1033,9 +1025,12 @@ void ELFObjectWriter::ComputeSymbolTable(MCAssembler &Asm,
// Set the symbol indices. Local symbols must come before all other
// symbols with non-local bindings.
unsigned Index = 0;
unsigned Index = 1;
for (unsigned i = 0, e = LocalSymbolData.size(); i != e; ++i)
LocalSymbolData[i].SymbolData->setIndex(Index++);
Index += NumRegularSections;
for (unsigned i = 0, e = ExternalSymbolData.size(); i != e; ++i)
ExternalSymbolData[i].SymbolData->setIndex(Index++);
for (unsigned i = 0, e = UndefinedSymbolData.size(); i != e; ++i)