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Handle IFUNC symbols in dlsym.

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This commit is contained in:
Andreas Schwab
2009-10-21 06:23:42 -07:00
committed by Ulrich Drepper
parent b7805d0ba8
commit bc5e846218
2 changed files with 9 additions and 0 deletions
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5
elf/dl-sym.c
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@@ -191,6 +191,11 @@ RTLD_NEXT used in code not dynamically loaded"));
#endif
value = DL_SYMBOL_ADDRESS (result, ref);
/* Resolve indirect function address. */
if (__builtin_expect (ELFW(ST_TYPE) (ref->st_info) == STT_GNU_IFUNC, 0))
value
= ((DL_FIXUP_VALUE_TYPE (*) (void)) DL_FIXUP_VALUE_ADDR (value)) ();
#ifdef SHARED
/* Auditing checkpoint: we have a new binding. Provide the
auditing libraries the possibility to change the value and