Commit 4e31050f authored Feb 09, 2015 by Vinson Lee Committed by Arnaldo Carvalho de Melo Feb 11, 2015

perf symbols: Define STT_GNU_IFUNC for glibc 2.9 and older.



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>

parent 23773ca1

tools/perf/util/symbol-elf.c

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -69,6 +69,10 @@ static inline uint8_t elf_sym__type(const GElf_Sym *sym)
	return GELF_ST_TYPE(sym->st_info);		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)		static inline int elf_sym__is_function(const GElf_Sym *sym)
	{		{
	return (elf_sym__type(sym) == STT_FUNC \|\|		return (elf_sym__type(sym) == STT_FUNC \|\|