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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
4a58e611 ACM |
2 | #ifndef __PERF_MAP_H |
3 | #define __PERF_MAP_H | |
4 | ||
e3a42cdd | 5 | #include <linux/refcount.h> |
4a58e611 ACM |
6 | #include <linux/compiler.h> |
7 | #include <linux/list.h> | |
8 | #include <linux/rbtree.h> | |
6a2ffcdd | 9 | #include <pthread.h> |
4b8cf846 | 10 | #include <stdio.h> |
23346f21 | 11 | #include <stdbool.h> |
d944c4ee | 12 | #include <linux/types.h> |
4a58e611 ACM |
13 | |
14 | enum map_type { | |
15 | MAP__FUNCTION = 0, | |
16 | MAP__VARIABLE, | |
17 | }; | |
18 | ||
19 | #define MAP__NR_TYPES (MAP__VARIABLE + 1) | |
20 | ||
3846df2e ACM |
21 | extern const char *map_type__name[MAP__NR_TYPES]; |
22 | ||
4a58e611 | 23 | struct dso; |
743eb868 | 24 | struct ip_callchain; |
9de89fe7 ACM |
25 | struct ref_reloc_sym; |
26 | struct map_groups; | |
23346f21 | 27 | struct machine; |
743eb868 | 28 | struct perf_evsel; |
4a58e611 ACM |
29 | |
30 | struct map { | |
31 | union { | |
32 | struct rb_node rb_node; | |
33 | struct list_head node; | |
34 | }; | |
35 | u64 start; | |
36 | u64 end; | |
0a1eae39 | 37 | u8 /* enum map_type */ type; |
31d68e7b | 38 | bool erange_warned; |
5c0541d5 | 39 | u32 priv; |
7ef80703 DZ |
40 | u32 prot; |
41 | u32 flags; | |
4a58e611 | 42 | u64 pgoff; |
9176753d | 43 | u64 reloc; |
5c5e854b SE |
44 | u32 maj, min; /* only valid for MMAP2 record */ |
45 | u64 ino; /* only valid for MMAP2 record */ | |
46 | u64 ino_generation;/* only valid for MMAP2 record */ | |
7a2b6209 KS |
47 | |
48 | /* ip -> dso rip */ | |
4a58e611 | 49 | u64 (*map_ip)(struct map *, u64); |
7a2b6209 | 50 | /* dso rip -> ip */ |
4a58e611 | 51 | u64 (*unmap_ip)(struct map *, u64); |
7a2b6209 | 52 | |
4a58e611 | 53 | struct dso *dso; |
a1645ce1 | 54 | struct map_groups *groups; |
e3a42cdd | 55 | refcount_t refcnt; |
4a58e611 ACM |
56 | }; |
57 | ||
9de89fe7 ACM |
58 | struct kmap { |
59 | struct ref_reloc_sym *ref_reloc_sym; | |
60 | struct map_groups *kmaps; | |
61 | }; | |
62 | ||
1eee78ae ACM |
63 | struct maps { |
64 | struct rb_root entries; | |
6a2ffcdd | 65 | pthread_rwlock_t lock; |
1eee78ae ACM |
66 | }; |
67 | ||
a1645ce1 | 68 | struct map_groups { |
1eee78ae | 69 | struct maps maps[MAP__NR_TYPES]; |
23346f21 | 70 | struct machine *machine; |
ead05e8f | 71 | refcount_t refcnt; |
a1645ce1 ZY |
72 | }; |
73 | ||
11246c70 | 74 | struct map_groups *map_groups__new(struct machine *machine); |
93d5731d | 75 | void map_groups__delete(struct map_groups *mg); |
29ce3612 | 76 | bool map_groups__empty(struct map_groups *mg); |
93d5731d | 77 | |
a26ca671 ACM |
78 | static inline struct map_groups *map_groups__get(struct map_groups *mg) |
79 | { | |
848cbd25 | 80 | if (mg) |
ead05e8f | 81 | refcount_inc(&mg->refcnt); |
a26ca671 ACM |
82 | return mg; |
83 | } | |
84 | ||
85 | void map_groups__put(struct map_groups *mg); | |
86 | ||
ba92732e WN |
87 | struct kmap *map__kmap(struct map *map); |
88 | struct map_groups *map__kmaps(struct map *map); | |
9de89fe7 | 89 | |
4a58e611 ACM |
90 | static inline u64 map__map_ip(struct map *map, u64 ip) |
91 | { | |
92 | return ip - map->start + map->pgoff; | |
93 | } | |
94 | ||
95 | static inline u64 map__unmap_ip(struct map *map, u64 ip) | |
96 | { | |
97 | return ip + map->start - map->pgoff; | |
98 | } | |
99 | ||
1d037ca1 | 100 | static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip) |
4a58e611 ACM |
101 | { |
102 | return ip; | |
103 | } | |
104 | ||
7a2b6209 | 105 | |
ee11b90b | 106 | /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */ |
7a2b6209 | 107 | u64 map__rip_2objdump(struct map *map, u64 rip); |
7a2b6209 | 108 | |
1d5077bd AH |
109 | /* objdump address -> memory address */ |
110 | u64 map__objdump_2mem(struct map *map, u64 ip); | |
111 | ||
4a58e611 | 112 | struct symbol; |
5835edda | 113 | struct thread; |
4a58e611 | 114 | |
eb948e50 MH |
115 | /* map__for_each_symbol - iterate over the symbols in the given map |
116 | * | |
117 | * @map: the 'struct map *' in which symbols itereated | |
118 | * @pos: the 'struct symbol *' to use as a loop cursor | |
119 | * @n: the 'struct rb_node *' to use as a temporary storage | |
120 | * Note: caller must ensure map->dso is not NULL (map is loaded). | |
121 | */ | |
122 | #define map__for_each_symbol(map, pos, n) \ | |
123 | dso__for_each_symbol(map->dso, pos, n, map->type) | |
124 | ||
0a3873a8 ACM |
125 | /* map__for_each_symbol_with_name - iterate over the symbols in the given map |
126 | * that have the given name | |
127 | * | |
128 | * @map: the 'struct map *' in which symbols itereated | |
129 | * @sym_name: the symbol name | |
130 | * @pos: the 'struct symbol *' to use as a loop cursor | |
0a3873a8 | 131 | */ |
be39db9f ACM |
132 | #define __map__for_each_symbol_by_name(map, sym_name, pos) \ |
133 | for (pos = map__find_symbol_by_name(map, sym_name); \ | |
d8040645 PC |
134 | pos && \ |
135 | !symbol__match_symbol_name(pos->name, sym_name, \ | |
136 | SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \ | |
0a3873a8 ACM |
137 | pos = symbol__next_by_name(pos)) |
138 | ||
139 | #define map__for_each_symbol_by_name(map, sym_name, pos) \ | |
be39db9f | 140 | __map__for_each_symbol_by_name(map, sym_name, (pos)) |
4a58e611 | 141 | |
237a7e04 | 142 | void map__init(struct map *map, enum map_type type, |
4a58e611 | 143 | u64 start, u64 end, u64 pgoff, struct dso *dso); |
2a03068c | 144 | struct map *map__new(struct machine *machine, u64 start, u64 len, |
bf2e710b | 145 | u64 pgoff, u32 d_maj, u32 d_min, u64 ino, |
7ef80703 | 146 | u64 ino_gen, u32 prot, u32 flags, |
5835edda | 147 | char *filename, enum map_type type, struct thread *thread); |
e5a1845f | 148 | struct map *map__new2(u64 start, struct dso *dso, enum map_type type); |
237a7e04 ACM |
149 | void map__delete(struct map *map); |
150 | struct map *map__clone(struct map *map); | |
84c2cafa ACM |
151 | |
152 | static inline struct map *map__get(struct map *map) | |
153 | { | |
154 | if (map) | |
e3a42cdd | 155 | refcount_inc(&map->refcnt); |
84c2cafa ACM |
156 | return map; |
157 | } | |
158 | ||
159 | void map__put(struct map *map); | |
160 | ||
5c24b67a ACM |
161 | static 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 | ||
4a58e611 | 169 | int map__overlap(struct map *l, struct map *r); |
237a7e04 | 170 | size_t map__fprintf(struct map *map, FILE *fp); |
547a92e0 | 171 | size_t map__fprintf_dsoname(struct map *map, FILE *fp); |
cc8fae1d AH |
172 | int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, |
173 | FILE *fp); | |
4a58e611 | 174 | |
be39db9f ACM |
175 | int map__load(struct map *map); |
176 | struct symbol *map__find_symbol(struct map *map, u64 addr); | |
177 | struct symbol *map__find_symbol_by_name(struct map *map, const char *name); | |
237a7e04 ACM |
178 | void map__fixup_start(struct map *map); |
179 | void map__fixup_end(struct map *map); | |
4a58e611 | 180 | |
237a7e04 | 181 | void map__reloc_vmlinux(struct map *map); |
9de89fe7 | 182 | |
acebd408 JO |
183 | size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type, |
184 | FILE *fp); | |
1eee78ae ACM |
185 | void maps__insert(struct maps *maps, struct map *map); |
186 | void maps__remove(struct maps *maps, struct map *map); | |
187 | struct map *maps__find(struct maps *maps, u64 addr); | |
188 | struct map *maps__first(struct maps *maps); | |
4d4dee9a | 189 | struct map *map__next(struct map *map); |
b7f9ff56 | 190 | struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, |
be39db9f | 191 | struct map **mapp); |
11246c70 | 192 | void map_groups__init(struct map_groups *mg, struct machine *machine); |
98dfd55d | 193 | void map_groups__exit(struct map_groups *mg); |
6c502584 | 194 | int map_groups__clone(struct thread *thread, |
c6e718ff | 195 | struct map_groups *parent, enum map_type type); |
acebd408 | 196 | size_t map_groups__fprintf(struct map_groups *mg, FILE *fp); |
4b8cf846 | 197 | |
743eb868 ACM |
198 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, |
199 | u64 addr); | |
200 | ||
98dfd55d | 201 | static inline void map_groups__insert(struct map_groups *mg, struct map *map) |
4b8cf846 | 202 | { |
98dfd55d ACM |
203 | maps__insert(&mg->maps[map->type], map); |
204 | map->groups = mg; | |
4b8cf846 ACM |
205 | } |
206 | ||
98dfd55d | 207 | static inline void map_groups__remove(struct map_groups *mg, struct map *map) |
076c6e45 | 208 | { |
98dfd55d | 209 | maps__remove(&mg->maps[map->type], map); |
076c6e45 ACM |
210 | } |
211 | ||
98dfd55d | 212 | static inline struct map *map_groups__find(struct map_groups *mg, |
4b8cf846 ACM |
213 | enum map_type type, u64 addr) |
214 | { | |
98dfd55d | 215 | return maps__find(&mg->maps[type], addr); |
4b8cf846 ACM |
216 | } |
217 | ||
8e0cf965 AH |
218 | static 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 | ||
224 | static inline struct map *map_groups__next(struct map *map) | |
225 | { | |
4d4dee9a | 226 | return map__next(map); |
8e0cf965 AH |
227 | } |
228 | ||
98dfd55d | 229 | struct symbol *map_groups__find_symbol(struct map_groups *mg, |
4b8cf846 | 230 | enum map_type type, u64 addr, |
be39db9f | 231 | struct map **mapp); |
4b8cf846 | 232 | |
98dfd55d | 233 | struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
234 | enum map_type type, |
235 | const char *name, | |
be39db9f | 236 | struct map **mapp); |
7e5e1b14 | 237 | |
4e987712 ACM |
238 | struct addr_map_symbol; |
239 | ||
be39db9f | 240 | int map_groups__find_ams(struct addr_map_symbol *ams); |
4e987712 | 241 | |
7e5e1b14 | 242 | static inline |
98dfd55d | 243 | struct symbol *map_groups__find_function_by_name(struct map_groups *mg, |
be39db9f | 244 | const char *name, struct map **mapp) |
4b8cf846 | 245 | { |
be39db9f | 246 | return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp); |
4b8cf846 ACM |
247 | } |
248 | ||
98dfd55d | 249 | int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
acebd408 | 250 | FILE *fp); |
c6e718ff | 251 | |
98dfd55d | 252 | struct map *map_groups__find_by_name(struct map_groups *mg, |
4b8cf846 | 253 | enum map_type type, const char *name); |
a1645ce1 | 254 | |
e6ce7126 ACM |
255 | bool __map__is_kernel(const struct map *map); |
256 | ||
257 | static inline bool __map__is_kmodule(const struct map *map) | |
258 | { | |
259 | return !__map__is_kernel(map); | |
260 | } | |
261 | ||
4a58e611 | 262 | #endif /* __PERF_MAP_H */ |