Fixes for generation of ELF relocations. Patch by Roman Divacky.

llvm-svn: 111183
This commit is contained in:
Eli Friedman 2010-08-16 21:17:09 +00:00
parent b9707bb261
commit 39484fda25

View File

@ -451,9 +451,23 @@ void ELFObjectWriterImpl::WriteSymbolTable(MCDataFragment *F,
}
// Write out a symbol table entry for each section.
for (unsigned Index = 1; Index < Asm.size(); ++Index)
// leaving out the just added .symtab which is at
// the very end
unsigned Index = 1;
for (MCAssembler::const_iterator it = Asm.begin(),
ie = Asm.end(); it != ie; ++it, ++Index) {
const MCSectionData &SD = *it;
const MCSectionELF &Section =
static_cast<const MCSectionELF&>(SD.getSection());
// Leave out relocations so we don't have indexes within
// the relocations messed up
if (Section.getType() == ELF::SHT_RELA)
continue;
if (Index == Asm.size())
continue;
WriteSymbolEntry(F, 0, ELF::STT_SECTION, 0, 0, ELF::STV_DEFAULT, Index);
LastLocalSymbolIndex += Asm.size() - 1;
LastLocalSymbolIndex++;
}
for (unsigned i = 0, e = ExternalSymbolData.size(); i != e; ++i) {
ELFSymbolData &MSD = ExternalSymbolData[i];
@ -620,12 +634,10 @@ uint64_t ELFObjectWriterImpl::getSymbolIndexInSymbolTable(MCAssembler &Asm,
return i + /* empty symbol */ 1;
for (unsigned i = 0, e = External.size(); i != e; ++i)
if (&External[i].SymbolData->getSymbol() == S)
return i + Local.size() + Asm.size() + /* empty symbol */ 1 +
/* .rela.text + .rela.eh_frame */ + 2;
return i + Local.size() + Asm.size() + /* empty symbol */ 1;
for (unsigned i = 0, e = Undefined.size(); i != e; ++i)
if (&Undefined[i].SymbolData->getSymbol() == S)
return i + Local.size() + External.size() + Asm.size() + /* empty symbol */ 1 +
/* .rela.text + .rela.eh_frame */ + 2;
return i + Local.size() + External.size() + Asm.size() + /* empty symbol */ 1;
llvm_unreachable("Cannot find symbol which should exist!");
}