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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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6
include/llvm/Object/IRObjectFile.h
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@ -36,7 +36,10 @@ public:
std::error_code printSymbolName(raw_ostream &OS,
DataRefImpl Symb) const override;
uint32_t getSymbolFlags(DataRefImpl Symb) const override;
const GlobalValue *getSymbolGV(DataRefImpl Symb) const;
GlobalValue *getSymbolGV(DataRefImpl Symb);
const GlobalValue *getSymbolGV(DataRefImpl Symb) const {
return const_cast<IRObjectFile *>(this)->getSymbolGV(Symb);
}
basic_symbol_iterator symbol_begin_impl() const override;
basic_symbol_iterator symbol_end_impl() const override;
@ -46,6 +49,7 @@ public:
Module &getModule() {
return *M;
}
std::unique_ptr<Module> takeModule() { return std::move(M); }
static inline bool classof(const Binary *v) {
return v->isIR();