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perf symbols: Introduce dso__build_id_equal 

Will be used in more places.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1258757489-5978-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-11-20 20:51:26 -02:00 committed by Ingo Molnar
parent fd7a346ea2
commit 78075caad9
1 changed files with 6 additions and 2 deletions
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8
tools/perf/util/symbol.c
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@ -884,6 +884,11 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
return err;
}
static bool dso__build_id_equal(const struct dso *self, u8 *build_id)
{
return memcmp(self->build_id, build_id, sizeof(self->build_id)) == 0;
}
bool dsos__read_build_ids(void)
{
bool have_build_id = false;
@ -1099,8 +1104,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
sizeof(build_id)) < 0)
goto more;
compare_build_id:
if (memcmp(build_id, self->build_id,
sizeof(self->build_id)) != 0)
if (!dso__build_id_equal(self, build_id))
goto more;
}