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Commit 4e987712 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf symbols: Add map_groups__find_ams() 

Add a function to find a symbol using an ip that might be on a different
map.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1381747424-3557-2-git-send-email-adrian.hunter@intel.com


Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent afba19d9

tools/perf/util/map.c

+17 −0
Original line number Original line Diff line number Diff line
@@ -371,6 +371,23 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, 
	return NULL;

	return NULL;

}

}





int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter)

{

	if (ams->addr < ams->map->start || ams->addr > ams->map->end) {

		if (ams->map->groups == NULL)

			return -1;

		ams->map = map_groups__find(ams->map->groups, ams->map->type,

					    ams->addr);

		if (ams->map == NULL)

			return -1;

	}



	ams->al_addr = ams->map->map_ip(ams->map, ams->addr);

	ams->sym = map__find_symbol(ams->map, ams->al_addr, filter);



	return ams->sym ? 0 : -1;

}



size_t __map_groups__fprintf_maps(struct map_groups *mg,

size_t __map_groups__fprintf_maps(struct map_groups *mg,

				  enum map_type type, int verbose, FILE *fp)

				  enum map_type type, int verbose, FILE *fp)

{

{

tools/perf/util/map.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -167,6 +167,10 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, 
					       struct map **mapp,

					       struct map **mapp,

					       symbol_filter_t filter);

					       symbol_filter_t filter);





struct addr_map_symbol;



int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter);



static inline

static inline

struct symbol *map_groups__find_function_by_name(struct map_groups *mg,

struct symbol *map_groups__find_function_by_name(struct map_groups *mg,

						 const char *name, struct map **mapp,

						 const char *name, struct map **mapp,