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support STB_GNU_UNIQUE symbol bindings in dynamic linker

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these are needed for some C++ library binaries including most builds
of libstdc++. I'm not entirely clear on the rationale. this patch does
not implement any special semantics for them, but as far as I can
tell, no special treatment is needed in correctly-linked programs;
this binding seems to exist only for catching incorrectly-linked
programs.
This commit is contained in:
Rich Felker
2013-07-24 11:53:23 -04:00
parent 17276be316
commit e152ee9778
1 changed files with 1 additions and 1 deletions
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2
src/ldso/dynlink.c
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@ -190,7 +190,7 @@ static Sym *gnu_lookup(const char *s, uint32_t h1, struct dso *dso)
}
#define OK_TYPES (1<<STT_NOTYPE | 1<<STT_OBJECT | 1<<STT_FUNC | 1<<STT_COMMON | 1<<STT_TLS)
#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK)
#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK | 1<<STB_GNU_UNIQUE)
static struct symdef find_sym(struct dso *dso, const char *s, int need_def)
{