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perf symbols: Define STT_GNU_IFUNC for glibc 2.9 and older.

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The token STT_GNU_IFUNC is not available with glibc 2.9 and older.
Define this token if it is not already defined.

This patch fixes this build errors with older versions of glibc.

  CC       util/symbol-elf.o
util/symbol-elf.c: In function ‘elf_sym__is_function’:
util/symbol-elf.c:75: error: ‘STT_GNU_IFUNC’ undeclared (first use in this function)
util/symbol-elf.c:75: error: (Each undeclared identifier is reported only once
util/symbol-elf.c:75: error: for each function it appears in.)
make: *** [util/symbol-elf.o] Error 1

Signed-off-by: Vinson Lee <vlee@twitter.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Anton Blanchard <anton@samba.org>
Cc: Avi Kivity <avi@cloudius-systems.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Waiman Long <Waiman.Long@hp.com>
Cc: stable@vger.kernel.org # 3.17+
Link: http://lkml.kernel.org/r/1423528286-13630-1-git-send-email-vlee@twopensource.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Vinson Lee 2015-02-09 16:29:37 -08:00 committed by Arnaldo Carvalho de Melo
parent 23773ca18b
commit 4e31050f48
1 changed files with 4 additions and 0 deletions
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4
tools/perf/util/symbol-elf.c
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@ -69,6 +69,10 @@ static inline uint8_t elf_sym__type(const GElf_Sym *sym)
return GELF_ST_TYPE(sym->st_info);
}
#ifndef STT_GNU_IFUNC
#define STT_GNU_IFUNC 10
#endif
static inline int elf_sym__is_function(const GElf_Sym *sym)
{
return (elf_sym__type(sym) == STT_FUNC ||