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Handle IFUNC symbols in dlsym.
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@ -1,3 +1,7 @@
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2009-10-21 Andreas Schwab <schwab@redhat.com>
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* elf/dl-sym.c (do_sym): Resolve STT_GNU_IFUNC symbols.
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2009-10-19 Andreas Schwab <schwab@redhat.com>
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* include/math.h: Add hidden protos for __exp/__expf/__expl.
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@ -191,6 +191,11 @@ RTLD_NEXT used in code not dynamically loaded"));
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#endif
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value = DL_SYMBOL_ADDRESS (result, ref);
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/* Resolve indirect function address. */
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if (__builtin_expect (ELFW(ST_TYPE) (ref->st_info) == STT_GNU_IFUNC, 0))
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value
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= ((DL_FIXUP_VALUE_TYPE (*) (void)) DL_FIXUP_VALUE_ADDR (value)) ();
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#ifdef SHARED
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/* Auditing checkpoint: we have a new binding. Provide the
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auditing libraries the possibility to change the value and
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