diff options
Diffstat (limited to 'tools/perf/util/map.h')
-rw-r--r-- | tools/perf/util/map.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h new file mode 100644 index 000000000000..72f0b6ab5ea5 --- /dev/null +++ b/tools/perf/util/map.h @@ -0,0 +1,73 @@ +#ifndef __PERF_MAP_H +#define __PERF_MAP_H + +#include <linux/compiler.h> +#include <linux/list.h> +#include <linux/rbtree.h> +#include <linux/types.h> + +enum map_type { + MAP__FUNCTION = 0, + MAP__VARIABLE, +}; + +#define MAP__NR_TYPES (MAP__VARIABLE + 1) + +struct dso; + +struct map { + union { + struct rb_node rb_node; + struct list_head node; + }; + u64 start; + u64 end; + enum map_type type; + u64 pgoff; + u64 (*map_ip)(struct map *, u64); + u64 (*unmap_ip)(struct map *, u64); + struct dso *dso; +}; + +static inline u64 map__map_ip(struct map *map, u64 ip) +{ + return ip - map->start + map->pgoff; +} + +static inline u64 map__unmap_ip(struct map *map, u64 ip) +{ + return ip + map->start - map->pgoff; +} + +static inline u64 identity__map_ip(struct map *map __used, u64 ip) +{ + return ip; +} + +struct symbol; +struct mmap_event; + +typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); + +void map__init(struct map *self, enum map_type type, + u64 start, u64 end, u64 pgoff, struct dso *dso); +struct map *map__new(struct mmap_event *event, enum map_type, + char *cwd, int cwdlen); +void map__delete(struct map *self); +struct map *map__clone(struct map *self); +int map__overlap(struct map *l, struct map *r); +size_t map__fprintf(struct map *self, FILE *fp); + +struct perf_session; + +int map__load(struct map *self, struct perf_session *session, + symbol_filter_t filter); +struct symbol *map__find_symbol(struct map *self, struct perf_session *session, + u64 addr, symbol_filter_t filter); +struct symbol *map__find_symbol_by_name(struct map *self, const char *name, + struct perf_session *session, + symbol_filter_t filter); +void map__fixup_start(struct map *self); +void map__fixup_end(struct map *self); + +#endif /* __PERF_MAP_H */ |