maps.h (2244B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __PERF_MAPS_H 3#define __PERF_MAPS_H 4 5#include <linux/refcount.h> 6#include <linux/rbtree.h> 7#include <stdio.h> 8#include <stdbool.h> 9#include <linux/types.h> 10#include "rwsem.h" 11 12struct ref_reloc_sym; 13struct machine; 14struct map; 15struct maps; 16struct thread; 17 18struct map *maps__find(struct maps *maps, u64 addr); 19struct map *maps__first(struct maps *maps); 20struct map *map__next(struct map *map); 21 22#define maps__for_each_entry(maps, map) \ 23 for (map = maps__first(maps); map; map = map__next(map)) 24 25#define maps__for_each_entry_safe(maps, map, next) \ 26 for (map = maps__first(maps), next = map__next(map); map; map = next, next = map__next(map)) 27 28struct maps { 29 struct rb_root entries; 30 struct rw_semaphore lock; 31 struct machine *machine; 32 struct map *last_search_by_name; 33 struct map **maps_by_name; 34 refcount_t refcnt; 35 unsigned int nr_maps; 36 unsigned int nr_maps_allocated; 37#ifdef HAVE_LIBUNWIND_SUPPORT 38 void *addr_space; 39 struct unwind_libunwind_ops *unwind_libunwind_ops; 40#endif 41}; 42 43#define KMAP_NAME_LEN 256 44 45struct kmap { 46 struct ref_reloc_sym *ref_reloc_sym; 47 struct maps *kmaps; 48 char name[KMAP_NAME_LEN]; 49}; 50 51struct maps *maps__new(struct machine *machine); 52void maps__delete(struct maps *maps); 53bool maps__empty(struct maps *maps); 54 55static inline struct maps *maps__get(struct maps *maps) 56{ 57 if (maps) 58 refcount_inc(&maps->refcnt); 59 return maps; 60} 61 62void maps__put(struct maps *maps); 63int maps__clone(struct thread *thread, struct maps *parent); 64size_t maps__fprintf(struct maps *maps, FILE *fp); 65 66void maps__insert(struct maps *maps, struct map *map); 67 68void maps__remove(struct maps *maps, struct map *map); 69 70struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp); 71struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp); 72 73struct addr_map_symbol; 74 75int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams); 76 77int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp); 78 79struct map *maps__find_by_name(struct maps *maps, const char *name); 80 81int maps__merge_in(struct maps *kmaps, struct map *new_map); 82 83void __maps__sort_by_name(struct maps *maps); 84 85#endif // __PERF_MAPS_H