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perf symbols: Generalise the kallsyms parsing routine

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Will be used to find an specific symbol by name on 'perf record'
to support relocation reference symbols to support relocatable
kernels.

Still have to conver the perf trace tools to use it instead of
their current reimplementation.

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: <1262629169-22797-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo
2010-01-04 16:19:26 -02:00
committed by Ingo Molnar
parent 60666c630b
commit 682b335a5b
2 changed files with 50 additions and 26 deletions
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tools/perf/util/symbol.h
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@@ -135,6 +135,8 @@ int filename__read_build_id(const char *filename, void *bf, size_t size);
int sysfs__read_build_id(const char *filename, void *bf, size_t size);
bool dsos__read_build_ids(void);
int build_id__sprintf(u8 *self, int len, char *bf);
int kallsyms__parse(void *arg, int (*process_symbol)(void *arg, const char *name,
char type, u64 start));
int symbol__init(void);
int perf_session__create_kernel_maps(struct perf_session *self);