From 623753ad64a3625b010c10c00c45262d2eec2495 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 16 Aug 2011 00:42:13 -0400 Subject: RTLD_NEXT support the asm wrapper is needed to get the return address without compiler-specific extensions. --- src/ldso/dynlink.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'src/ldso/dynlink.c') diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index ced1637c..3fafb181 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -638,11 +638,16 @@ end: return p; } -static void *do_dlsym(struct dso *p, const char *s) +static void *do_dlsym(struct dso *p, const char *s, void *ra) { size_t i; uint32_t h; Sym *sym; + if (p == RTLD_NEXT) { + for (p=head; p && (unsigned char *)ra-p->map>p->map_len; p=p->next); + if (!p) p=head; + p=p->next; + } if (p == head || p == RTLD_DEFAULT) return find_sym(head, s, 0); h = hash(s); @@ -658,11 +663,11 @@ static void *do_dlsym(struct dso *p, const char *s) return 0; } -void *dlsym(void *p, const char *s) +void *__dlsym(void *p, const char *s, void *ra) { void *res; pthread_rwlock_rdlock(&lock); - res = do_dlsym(p, s); + res = do_dlsym(p, s, ra); pthread_rwlock_unlock(&lock); return res; } -- cgit v1.2.1