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 12 struct ref_reloc_sym; 13 struct machine; 14 struct map; 15 struct maps; 16 struct thread; 17 18 struct map *maps__find(struct maps *maps, u64 addr); 19 struct map *maps__first(struct maps *maps); 20 struct 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 28 struct 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 45 struct kmap { 46 struct ref_reloc_sym *ref_reloc_sym; 47 struct maps *kmaps; 48 char name[KMAP_NAME_LEN]; 49 }; 50 51 struct maps *maps__new(struct machine *machine); 52 void maps__delete(struct maps *maps); 53 bool maps__empty(struct maps *maps); 54 55 static inline struct maps *maps__get(struct maps *maps) 56 { 57 if (maps) 58 refcount_inc(&maps->refcnt); 59 return maps; 60 } 61 62 void maps__put(struct maps *maps); 63 int maps__clone(struct thread *thread, struct maps *parent); 64 size_t maps__fprintf(struct maps *maps, FILE *fp); 65 66 void maps__insert(struct maps *maps, struct map *map); 67 68 void maps__remove(struct maps *maps, struct map *map); 69 70 struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp); 71 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp); 72 73 struct addr_map_symbol; 74 75 int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams); 76 77 int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp); 78 79 struct map *maps__find_by_name(struct maps *maps, const char *name); 80 81 int maps__merge_in(struct maps *kmaps, struct map *new_map); 82 83 void __maps__sort_by_name(struct maps *maps); 84 85 #endif // __PERF_MAPS_H 86