diff options
Diffstat (limited to 'llvm/tools/llvm-objcopy/llvm-objcopy.cpp')
| -rw-r--r-- | llvm/tools/llvm-objcopy/llvm-objcopy.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp index 4dd8d36ee08..8bf7ac77f16 100644 --- a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp +++ b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp @@ -130,6 +130,7 @@ struct CopyConfig { bool StripDWO; bool ExtractDWO; bool LocalizeHidden; + bool Weaken; }; using SectionPred = std::function<bool(const SectionBase &Sec)>; @@ -334,6 +335,10 @@ void HandleArgs(const CopyConfig &Config, Object &Obj, const Reader &Reader, Sym.Binding == STB_GLOBAL) Sym.Binding = STB_WEAK; + if (Config.Weaken && Sym.Binding == STB_GLOBAL && + Sym.getShndx() != SHN_UNDEF) + Sym.Binding = STB_WEAK; + const auto I = Config.SymbolsToRename.find(Sym.Name); if (I != Config.SymbolsToRename.end()) Sym.Name = I->getValue(); @@ -423,6 +428,7 @@ CopyConfig ParseObjcopyOptions(ArrayRef<const char *> ArgsArr) { Config.StripNonAlloc = InputArgs.hasArg(OBJCOPY_strip_non_alloc); Config.ExtractDWO = InputArgs.hasArg(OBJCOPY_extract_dwo); Config.LocalizeHidden = InputArgs.hasArg(OBJCOPY_localize_hidden); + Config.Weaken = InputArgs.hasArg(OBJCOPY_weaken); for (auto Arg : InputArgs.filtered(OBJCOPY_localize_symbol)) Config.SymbolsToLocalize.push_back(Arg->getValue()); for (auto Arg : InputArgs.filtered(OBJCOPY_globalize_symbol)) |
