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Don't lookup an object symbol name in the module.

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Instead, walk the obj symbol list in parallel to find the GV. This shouldn't
change anything on ELF where global symbols are not mangled, but it is a step
toward supporting other object formats.

Gold itself is ELF only, but bfd ld supports COFF and the logic in the gold
plugin could be reused on lld.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-12-09 16:13:59 +00:00
parent de0cdb0890
commit 4f20ed1c36
3 changed files with 34 additions and 27 deletions
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7
lib/Object/IRObjectFile.cpp
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@ -116,7 +116,7 @@ IRObjectFile::IRObjectFile(MemoryBufferRef Object, std::unique_ptr<Module> Mod)
IRObjectFile::~IRObjectFile() {
}
static const GlobalValue *getGV(DataRefImpl &Symb) {
static GlobalValue *getGV(DataRefImpl &Symb) {
if ((Symb.p & 3) == 3)
return nullptr;
@ -235,10 +235,7 @@ uint32_t IRObjectFile::getSymbolFlags(DataRefImpl Symb) const {
return Res;
}
const GlobalValue *IRObjectFile::getSymbolGV(DataRefImpl Symb) const {
const GlobalValue *GV = getGV(Symb);
return GV;
}
GlobalValue *IRObjectFile::getSymbolGV(DataRefImpl Symb) { return getGV(Symb); }
basic_symbol_iterator IRObjectFile::symbol_begin_impl() const {
Module::const_iterator I = M->begin();