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
maps__get(struct maps * maps)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 void maps__init(struct maps *maps, struct machine *machine);
64 void maps__exit(struct maps *maps);
65 int maps__clone(struct thread *thread, struct maps *parent);
66 size_t maps__fprintf(struct maps *maps, FILE *fp);
67
68 void maps__insert(struct maps *maps, struct map *map);
69
70 void maps__remove(struct maps *maps, struct map *map);
71
72 struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp);
73 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp);
74
75 struct addr_map_symbol;
76
77 int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams);
78
79 int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp);
80
81 struct map *maps__find_by_name(struct maps *maps, const char *name);
82
83 int maps__merge_in(struct maps *kmaps, struct map *new_map);
84
85 void __maps__sort_by_name(struct maps *maps);
86
87 #endif // __PERF_MAPS_H
88