1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_MAP_GROUPS_H
3 #define __PERF_MAP_GROUPS_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 thread;
16 
17 struct maps {
18 	struct rb_root      entries;
19 	struct rb_root	    names;
20 	struct rw_semaphore lock;
21 };
22 
23 void maps__insert(struct maps *maps, struct map *map);
24 void maps__remove(struct maps *maps, struct map *map);
25 struct map *maps__find(struct maps *maps, u64 addr);
26 struct map *maps__first(struct maps *maps);
27 struct map *map__next(struct map *map);
28 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp);
29 
30 struct map_groups {
31 	struct maps	 maps;
32 	struct machine	 *machine;
33 	refcount_t	 refcnt;
34 #ifdef HAVE_LIBUNWIND_SUPPORT
35 	void				*addr_space;
36 	struct unwind_libunwind_ops	*unwind_libunwind_ops;
37 #endif
38 };
39 
40 #define KMAP_NAME_LEN 256
41 
42 struct kmap {
43 	struct ref_reloc_sym *ref_reloc_sym;
44 	struct map_groups    *kmaps;
45 	char		     name[KMAP_NAME_LEN];
46 };
47 
48 struct map_groups *map_groups__new(struct machine *machine);
49 void map_groups__delete(struct map_groups *mg);
50 bool map_groups__empty(struct map_groups *mg);
51 
map_groups__get(struct map_groups * mg)52 static inline struct map_groups *map_groups__get(struct map_groups *mg)
53 {
54 	if (mg)
55 		refcount_inc(&mg->refcnt);
56 	return mg;
57 }
58 
59 void map_groups__put(struct map_groups *mg);
60 void map_groups__init(struct map_groups *mg, struct machine *machine);
61 void map_groups__exit(struct map_groups *mg);
62 int map_groups__clone(struct thread *thread, struct map_groups *parent);
63 size_t map_groups__fprintf(struct map_groups *mg, FILE *fp);
64 
65 void map_groups__insert(struct map_groups *mg, struct map *map);
66 
map_groups__remove(struct map_groups * mg,struct map * map)67 static inline void map_groups__remove(struct map_groups *mg, struct map *map)
68 {
69 	maps__remove(&mg->maps, map);
70 }
71 
map_groups__find(struct map_groups * mg,u64 addr)72 static inline struct map *map_groups__find(struct map_groups *mg, u64 addr)
73 {
74 	return maps__find(&mg->maps, addr);
75 }
76 
77 struct map *map_groups__first(struct map_groups *mg);
78 
map_groups__next(struct map * map)79 static inline struct map *map_groups__next(struct map *map)
80 {
81 	return map__next(map);
82 }
83 
84 struct symbol *map_groups__find_symbol(struct map_groups *mg, u64 addr, struct map **mapp);
85 struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, const char *name, struct map **mapp);
86 
87 struct addr_map_symbol;
88 
89 int map_groups__find_ams(struct addr_map_symbol *ams);
90 
91 int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, FILE *fp);
92 
93 struct map *map_groups__find_by_name(struct map_groups *mg, const char *name);
94 
95 int map_groups__merge_in(struct map_groups *kmaps, struct map *new_map);
96 
97 #endif // __PERF_MAP_GROUPS_H
98