diff options
Diffstat (limited to 'tools/perf/util/maps.h')
-rw-r--r-- | tools/perf/util/maps.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/tools/perf/util/maps.h b/tools/perf/util/maps.h new file mode 100644 index 0000000000..83144e0645 --- /dev/null +++ b/tools/perf/util/maps.h @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_MAPS_H +#define __PERF_MAPS_H + +#include <linux/refcount.h> +#include <linux/rbtree.h> +#include <stdio.h> +#include <stdbool.h> +#include <linux/types.h> +#include "rwsem.h" +#include <internal/rc_check.h> + +struct ref_reloc_sym; +struct machine; +struct map; +struct maps; +struct thread; + +struct map_rb_node { + struct rb_node rb_node; + struct map *map; +}; + +struct map_rb_node *maps__first(struct maps *maps); +struct map_rb_node *map_rb_node__next(struct map_rb_node *node); +struct map_rb_node *maps__find_node(struct maps *maps, struct map *map); +struct map *maps__find(struct maps *maps, u64 addr); + +#define maps__for_each_entry(maps, map) \ + for (map = maps__first(maps); map; map = map_rb_node__next(map)) + +#define maps__for_each_entry_safe(maps, map, next) \ + for (map = maps__first(maps), next = map_rb_node__next(map); map; \ + map = next, next = map_rb_node__next(map)) + +DECLARE_RC_STRUCT(maps) { + struct rb_root entries; + struct rw_semaphore lock; + struct machine *machine; + struct map *last_search_by_name; + struct map **maps_by_name; + refcount_t refcnt; + unsigned int nr_maps; + unsigned int nr_maps_allocated; +#ifdef HAVE_LIBUNWIND_SUPPORT + void *addr_space; + const struct unwind_libunwind_ops *unwind_libunwind_ops; +#endif +}; + +#define KMAP_NAME_LEN 256 + +struct kmap { + struct ref_reloc_sym *ref_reloc_sym; + struct maps *kmaps; + char name[KMAP_NAME_LEN]; +}; + +struct maps *maps__new(struct machine *machine); +bool maps__empty(struct maps *maps); +int maps__clone(struct thread *thread, struct maps *parent); + +struct maps *maps__get(struct maps *maps); +void maps__put(struct maps *maps); + +static inline void __maps__zput(struct maps **map) +{ + maps__put(*map); + *map = NULL; +} + +#define maps__zput(map) __maps__zput(&map) + +static inline struct rb_root *maps__entries(struct maps *maps) +{ + return &RC_CHK_ACCESS(maps)->entries; +} + +static inline struct machine *maps__machine(struct maps *maps) +{ + return RC_CHK_ACCESS(maps)->machine; +} + +static inline struct rw_semaphore *maps__lock(struct maps *maps) +{ + return &RC_CHK_ACCESS(maps)->lock; +} + +static inline struct map **maps__maps_by_name(struct maps *maps) +{ + return RC_CHK_ACCESS(maps)->maps_by_name; +} + +static inline unsigned int maps__nr_maps(const struct maps *maps) +{ + return RC_CHK_ACCESS(maps)->nr_maps; +} + +static inline refcount_t *maps__refcnt(struct maps *maps) +{ + return &RC_CHK_ACCESS(maps)->refcnt; +} + +#ifdef HAVE_LIBUNWIND_SUPPORT +static inline void *maps__addr_space(struct maps *maps) +{ + return RC_CHK_ACCESS(maps)->addr_space; +} + +static inline const struct unwind_libunwind_ops *maps__unwind_libunwind_ops(const struct maps *maps) +{ + return RC_CHK_ACCESS(maps)->unwind_libunwind_ops; +} +#endif + +size_t maps__fprintf(struct maps *maps, FILE *fp); + +int maps__insert(struct maps *maps, struct map *map); +void maps__remove(struct maps *maps, struct map *map); + +struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp); +struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp); + +struct addr_map_symbol; + +int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams); + +int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp); + +struct map *maps__find_by_name(struct maps *maps, const char *name); + +int maps__merge_in(struct maps *kmaps, struct map *new_map); + +void __maps__sort_by_name(struct maps *maps); + +#endif // __PERF_MAPS_H |