1
2#ifndef __PERF_MAP_H
3#define __PERF_MAP_H
4
5#include <linux/refcount.h>
6#include <linux/compiler.h>
7#include <linux/list.h>
8#include <linux/rbtree.h>
9#include <pthread.h>
10#include <stdio.h>
11#include <stdbool.h>
12#include <linux/types.h>
13
14enum map_type {
15 MAP__FUNCTION = 0,
16 MAP__VARIABLE,
17};
18
19#define MAP__NR_TYPES (MAP__VARIABLE + 1)
20
21extern const char *map_type__name[MAP__NR_TYPES];
22
23struct dso;
24struct ip_callchain;
25struct ref_reloc_sym;
26struct map_groups;
27struct machine;
28struct perf_evsel;
29
30struct map {
31 union {
32 struct rb_node rb_node;
33 struct list_head node;
34 };
35 u64 start;
36 u64 end;
37 u8 type;
38 bool erange_warned;
39 u32 priv;
40 u32 prot;
41 u32 flags;
42 u64 pgoff;
43 u64 reloc;
44 u32 maj, min;
45 u64 ino;
46 u64 ino_generation;
47
48
49 u64 (*map_ip)(struct map *, u64);
50
51 u64 (*unmap_ip)(struct map *, u64);
52
53 struct dso *dso;
54 struct map_groups *groups;
55 refcount_t refcnt;
56};
57
58struct kmap {
59 struct ref_reloc_sym *ref_reloc_sym;
60 struct map_groups *kmaps;
61};
62
63struct maps {
64 struct rb_root entries;
65 pthread_rwlock_t lock;
66};
67
68struct map_groups {
69 struct maps maps[MAP__NR_TYPES];
70 struct machine *machine;
71 refcount_t refcnt;
72};
73
74struct map_groups *map_groups__new(struct machine *machine);
75void map_groups__delete(struct map_groups *mg);
76bool map_groups__empty(struct map_groups *mg);
77
78static inline struct map_groups *map_groups__get(struct map_groups *mg)
79{
80 if (mg)
81 refcount_inc(&mg->refcnt);
82 return mg;
83}
84
85void map_groups__put(struct map_groups *mg);
86
87struct kmap *map__kmap(struct map *map);
88struct map_groups *map__kmaps(struct map *map);
89
90static inline u64 map__map_ip(struct map *map, u64 ip)
91{
92 return ip - map->start + map->pgoff;
93}
94
95static inline u64 map__unmap_ip(struct map *map, u64 ip)
96{
97 return ip + map->start - map->pgoff;
98}
99
100static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
101{
102 return ip;
103}
104
105
106
107u64 map__rip_2objdump(struct map *map, u64 rip);
108
109
110u64 map__objdump_2mem(struct map *map, u64 ip);
111
112struct symbol;
113struct thread;
114
115
116
117
118
119
120
121
122#define map__for_each_symbol(map, pos, n) \
123 dso__for_each_symbol(map->dso, pos, n, map->type)
124
125
126
127
128
129
130
131
132#define __map__for_each_symbol_by_name(map, sym_name, pos) \
133 for (pos = map__find_symbol_by_name(map, sym_name); \
134 pos && \
135 !symbol__match_symbol_name(pos->name, sym_name, \
136 SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
137 pos = symbol__next_by_name(pos))
138
139#define map__for_each_symbol_by_name(map, sym_name, pos) \
140 __map__for_each_symbol_by_name(map, sym_name, (pos))
141
142void map__init(struct map *map, enum map_type type,
143 u64 start, u64 end, u64 pgoff, struct dso *dso);
144struct map *map__new(struct machine *machine, u64 start, u64 len,
145 u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
146 u64 ino_gen, u32 prot, u32 flags,
147 char *filename, enum map_type type, struct thread *thread);
148struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
149void map__delete(struct map *map);
150struct map *map__clone(struct map *map);
151
152static inline struct map *map__get(struct map *map)
153{
154 if (map)
155 refcount_inc(&map->refcnt);
156 return map;
157}
158
159void map__put(struct map *map);
160
161static inline void __map__zput(struct map **map)
162{
163 map__put(*map);
164 *map = NULL;
165}
166
167#define map__zput(map) __map__zput(&map)
168
169int map__overlap(struct map *l, struct map *r);
170size_t map__fprintf(struct map *map, FILE *fp);
171size_t map__fprintf_dsoname(struct map *map, FILE *fp);
172int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
173 FILE *fp);
174
175int map__load(struct map *map);
176struct symbol *map__find_symbol(struct map *map, u64 addr);
177struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
178void map__fixup_start(struct map *map);
179void map__fixup_end(struct map *map);
180
181void map__reloc_vmlinux(struct map *map);
182
183size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type,
184 FILE *fp);
185void maps__insert(struct maps *maps, struct map *map);
186void maps__remove(struct maps *maps, struct map *map);
187struct map *maps__find(struct maps *maps, u64 addr);
188struct map *maps__first(struct maps *maps);
189struct map *map__next(struct map *map);
190struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
191 struct map **mapp);
192void map_groups__init(struct map_groups *mg, struct machine *machine);
193void map_groups__exit(struct map_groups *mg);
194int map_groups__clone(struct thread *thread,
195 struct map_groups *parent, enum map_type type);
196size_t map_groups__fprintf(struct map_groups *mg, FILE *fp);
197
198int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
199 u64 addr);
200
201static inline void map_groups__insert(struct map_groups *mg, struct map *map)
202{
203 maps__insert(&mg->maps[map->type], map);
204 map->groups = mg;
205}
206
207static inline void map_groups__remove(struct map_groups *mg, struct map *map)
208{
209 maps__remove(&mg->maps[map->type], map);
210}
211
212static inline struct map *map_groups__find(struct map_groups *mg,
213 enum map_type type, u64 addr)
214{
215 return maps__find(&mg->maps[type], addr);
216}
217
218static inline struct map *map_groups__first(struct map_groups *mg,
219 enum map_type type)
220{
221 return maps__first(&mg->maps[type]);
222}
223
224static inline struct map *map_groups__next(struct map *map)
225{
226 return map__next(map);
227}
228
229struct symbol *map_groups__find_symbol(struct map_groups *mg,
230 enum map_type type, u64 addr,
231 struct map **mapp);
232
233struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
234 enum map_type type,
235 const char *name,
236 struct map **mapp);
237
238struct addr_map_symbol;
239
240int map_groups__find_ams(struct addr_map_symbol *ams);
241
242static inline
243struct symbol *map_groups__find_function_by_name(struct map_groups *mg,
244 const char *name, struct map **mapp)
245{
246 return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp);
247}
248
249int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,
250 FILE *fp);
251
252struct map *map_groups__find_by_name(struct map_groups *mg,
253 enum map_type type, const char *name);
254
255bool __map__is_kernel(const struct map *map);
256
257static inline bool __map__is_kmodule(const struct map *map)
258{
259 return !__map__is_kernel(map);
260}
261
262#endif
263