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 #include <internal/rc_check.h> 12 13 struct ref_reloc_sym; 14 struct machine; 15 struct map; 16 struct maps; 17 18 struct map_list_node { 19 struct list_head node; 20 struct map *map; 21 }; 22 23 static inline struct map_list_node *map_list_node__new(void) 24 { 25 return malloc(sizeof(struct map_list_node)); 26 } 27 28 struct map *maps__find(struct maps *maps, u64 addr); 29 30 DECLARE_RC_STRUCT(maps) { 31 struct rb_root entries; 32 struct rw_semaphore lock; 33 struct machine *machine; 34 struct map *last_search_by_name; 35 struct map **maps_by_name; 36 refcount_t refcnt; 37 unsigned int nr_maps; 38 unsigned int nr_maps_allocated; 39 #ifdef HAVE_LIBUNWIND_SUPPORT 40 void *addr_space; 41 const struct unwind_libunwind_ops *unwind_libunwind_ops; 42 #endif 43 }; 44 45 #define KMAP_NAME_LEN 256 46 47 struct kmap { 48 struct ref_reloc_sym *ref_reloc_sym; 49 struct maps *kmaps; 50 char name[KMAP_NAME_LEN]; 51 }; 52 53 struct maps *maps__new(struct machine *machine); 54 bool maps__empty(struct maps *maps); 55 int maps__copy_from(struct maps *maps, struct maps *parent); 56 57 struct maps *maps__get(struct maps *maps); 58 void maps__put(struct maps *maps); 59 60 static inline void __maps__zput(struct maps **map) 61 { 62 maps__put(*map); 63 *map = NULL; 64 } 65 66 #define maps__zput(map) __maps__zput(&map) 67 68 /* Iterate over map calling cb for each entry. */ 69 int maps__for_each_map(struct maps *maps, int (*cb)(struct map *map, void *data), void *data); 70 /* Iterate over map removing an entry if cb returns true. */ 71 void maps__remove_maps(struct maps *maps, bool (*cb)(struct map *map, void *data), void *data); 72 73 static inline struct machine *maps__machine(struct maps *maps) 74 { 75 return RC_CHK_ACCESS(maps)->machine; 76 } 77 78 static inline unsigned int maps__nr_maps(const struct maps *maps) 79 { 80 return RC_CHK_ACCESS(maps)->nr_maps; 81 } 82 83 static inline refcount_t *maps__refcnt(struct maps *maps) 84 { 85 return &RC_CHK_ACCESS(maps)->refcnt; 86 } 87 88 #ifdef HAVE_LIBUNWIND_SUPPORT 89 static inline void *maps__addr_space(struct maps *maps) 90 { 91 return RC_CHK_ACCESS(maps)->addr_space; 92 } 93 94 static inline const struct unwind_libunwind_ops *maps__unwind_libunwind_ops(const struct maps *maps) 95 { 96 return RC_CHK_ACCESS(maps)->unwind_libunwind_ops; 97 } 98 #endif 99 100 size_t maps__fprintf(struct maps *maps, FILE *fp); 101 102 int maps__insert(struct maps *maps, struct map *map); 103 void maps__remove(struct maps *maps, struct map *map); 104 105 struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp); 106 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp); 107 108 struct addr_map_symbol; 109 110 int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams); 111 112 int maps__fixup_overlap_and_insert(struct maps *maps, struct map *new); 113 114 struct map *maps__find_by_name(struct maps *maps, const char *name); 115 116 struct map *maps__find_next_entry(struct maps *maps, struct map *map); 117 118 int maps__merge_in(struct maps *kmaps, struct map *new_map); 119 120 void __maps__sort_by_name(struct maps *maps); 121 122 void maps__fixup_end(struct maps *maps); 123 124 void maps__load_first(struct maps *maps); 125 126 #endif // __PERF_MAPS_H 127