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| author | Vinson Lee <vlee@twitter.com> | 2015-02-09 16:29:37 -0800 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-05-17 19:12:08 -0400 |
| commit | 7b6f0b0a71f6cb837c62763889f28581e55e43f5 (patch) | |
| tree | bae20fb94aaffbe5a21b4ecc037120a34d090446 | |
| parent | 1c1cf82e193a887f37672b0d7b2657c76613ee16 (diff) | |
| download | lwn-7b6f0b0a71f6cb837c62763889f28581e55e43f5.tar.gz lwn-7b6f0b0a71f6cb837c62763889f28581e55e43f5.zip | |
perf symbols: Define STT_GNU_IFUNC for glibc 2.9 and older.
[ Upstream commit 4e31050f482c02c822b150d71cf1ea5be7c9d6e4 ]
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>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 1e23a5bfb044..fcaf06b40558 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -48,6 +48,10 @@ 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 || |