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Refactor duplicated code. 

Since VisibleToRegularObj is weaker than LinkerRedefined, this should
have no functionality change.

llvm-svn: 314954
This commit is contained in:
Rafael Espindola 2017-10-05 00:35:47 +00:00
parent 60433b682f
commit c29b24d524
2 changed files with 5 additions and 5 deletions
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8
lld/ELF/SymbolTable.cpp
View File

@ -162,8 +162,6 @@ template <class ELFT> void SymbolTable::addSymbolWrap(StringRef Name) {
Symbol *Real = addUndefined<ELFT>(Saver.save("__real_" + Name));
Symbol *Wrap = addUndefined<ELFT>(Saver.save("__wrap_" + Name));
// Tell LTO not to eliminate this symbol.
Wrap->IsUsedInRegularObj = true;
defsym(Real, Sym);
defsym(Sym, Wrap);
}
@ -177,8 +175,6 @@ void SymbolTable::addSymbolAlias(StringRef Alias, StringRef Name) {
return;
}
// Tell LTO not to eliminate this symbol.
B->symbol()->IsUsedInRegularObj = true;
defsym(addUndefined<ELFT>(Alias), B->symbol());
}
@ -529,6 +525,10 @@ void SymbolTable::defsym(Symbol *Dst, Symbol *Src) {
// We want to tell LTO not to inline Dst symbol because LTO doesn't
// know the final symbol contents after renaming.
Dst->CanInline = false;
// Tell LTO not to eliminate this symbol.
Src->IsUsedInRegularObj = true;
Defsyms.push_back({Dst, Src, Dst->Binding});
}

2
lld/test/ELF/lto/wrap-1.ll
View File

@ -19,7 +19,7 @@
; Make sure that the 'r' (linker redefined) bit is set for bar and __wrap_bar
; in the resolutions file.
; RESOLS: ,bar,r
; RESOLS: ,bar,xr
; RESOLS: ,__wrap_bar,px
; RESOLS: ,__real_bar,pxr