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4a58e611 ACM |
1 | #ifndef __PERF_MAP_H |
2 | #define __PERF_MAP_H | |
3 | ||
848cbd25 | 4 | #include <linux/atomic.h> |
4a58e611 ACM |
5 | #include <linux/compiler.h> |
6 | #include <linux/list.h> | |
7 | #include <linux/rbtree.h> | |
6a2ffcdd | 8 | #include <pthread.h> |
4b8cf846 | 9 | #include <stdio.h> |
23346f21 | 10 | #include <stdbool.h> |
d944c4ee | 11 | #include <linux/types.h> |
4a58e611 ACM |
12 | |
13 | enum map_type { | |
14 | MAP__FUNCTION = 0, | |
15 | MAP__VARIABLE, | |
16 | }; | |
17 | ||
18 | #define MAP__NR_TYPES (MAP__VARIABLE + 1) | |
19 | ||
3846df2e ACM |
20 | extern const char *map_type__name[MAP__NR_TYPES]; |
21 | ||
4a58e611 | 22 | struct dso; |
743eb868 | 23 | struct ip_callchain; |
9de89fe7 ACM |
24 | struct ref_reloc_sym; |
25 | struct map_groups; | |
23346f21 | 26 | struct machine; |
743eb868 | 27 | struct perf_evsel; |
4a58e611 ACM |
28 | |
29 | struct map { | |
30 | union { | |
31 | struct rb_node rb_node; | |
32 | struct list_head node; | |
33 | }; | |
34 | u64 start; | |
35 | u64 end; | |
0a1eae39 | 36 | u8 /* enum map_type */ type; |
31d68e7b | 37 | bool erange_warned; |
5c0541d5 | 38 | u32 priv; |
7ef80703 DZ |
39 | u32 prot; |
40 | u32 flags; | |
4a58e611 | 41 | u64 pgoff; |
9176753d | 42 | u64 reloc; |
5c5e854b SE |
43 | u32 maj, min; /* only valid for MMAP2 record */ |
44 | u64 ino; /* only valid for MMAP2 record */ | |
45 | u64 ino_generation;/* only valid for MMAP2 record */ | |
7a2b6209 KS |
46 | |
47 | /* ip -> dso rip */ | |
4a58e611 | 48 | u64 (*map_ip)(struct map *, u64); |
7a2b6209 | 49 | /* dso rip -> ip */ |
4a58e611 | 50 | u64 (*unmap_ip)(struct map *, u64); |
7a2b6209 | 51 | |
4a58e611 | 52 | struct dso *dso; |
a1645ce1 | 53 | struct map_groups *groups; |
84c2cafa | 54 | atomic_t refcnt; |
4a58e611 ACM |
55 | }; |
56 | ||
9de89fe7 ACM |
57 | struct kmap { |
58 | struct ref_reloc_sym *ref_reloc_sym; | |
59 | struct map_groups *kmaps; | |
60 | }; | |
61 | ||
1eee78ae ACM |
62 | struct maps { |
63 | struct rb_root entries; | |
6a2ffcdd | 64 | pthread_rwlock_t lock; |
1eee78ae ACM |
65 | }; |
66 | ||
a1645ce1 | 67 | struct map_groups { |
1eee78ae | 68 | struct maps maps[MAP__NR_TYPES]; |
23346f21 | 69 | struct machine *machine; |
848cbd25 | 70 | atomic_t refcnt; |
a1645ce1 ZY |
71 | }; |
72 | ||
11246c70 | 73 | struct map_groups *map_groups__new(struct machine *machine); |
93d5731d | 74 | void map_groups__delete(struct map_groups *mg); |
29ce3612 | 75 | bool map_groups__empty(struct map_groups *mg); |
93d5731d | 76 | |
a26ca671 ACM |
77 | static inline struct map_groups *map_groups__get(struct map_groups *mg) |
78 | { | |
848cbd25 ACM |
79 | if (mg) |
80 | atomic_inc(&mg->refcnt); | |
a26ca671 ACM |
81 | return mg; |
82 | } | |
83 | ||
84 | void map_groups__put(struct map_groups *mg); | |
85 | ||
ba92732e WN |
86 | struct kmap *map__kmap(struct map *map); |
87 | struct map_groups *map__kmaps(struct map *map); | |
9de89fe7 | 88 | |
4a58e611 ACM |
89 | static inline u64 map__map_ip(struct map *map, u64 ip) |
90 | { | |
91 | return ip - map->start + map->pgoff; | |
92 | } | |
93 | ||
94 | static inline u64 map__unmap_ip(struct map *map, u64 ip) | |
95 | { | |
96 | return ip + map->start - map->pgoff; | |
97 | } | |
98 | ||
1d037ca1 | 99 | static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip) |
4a58e611 ACM |
100 | { |
101 | return ip; | |
102 | } | |
103 | ||
7a2b6209 | 104 | |
ee11b90b | 105 | /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */ |
7a2b6209 | 106 | u64 map__rip_2objdump(struct map *map, u64 rip); |
7a2b6209 | 107 | |
1d5077bd AH |
108 | /* objdump address -> memory address */ |
109 | u64 map__objdump_2mem(struct map *map, u64 ip); | |
110 | ||
4a58e611 | 111 | struct symbol; |
5835edda | 112 | struct thread; |
4a58e611 | 113 | |
eb948e50 MH |
114 | /* map__for_each_symbol - iterate over the symbols in the given map |
115 | * | |
116 | * @map: the 'struct map *' in which symbols itereated | |
117 | * @pos: the 'struct symbol *' to use as a loop cursor | |
118 | * @n: the 'struct rb_node *' to use as a temporary storage | |
119 | * Note: caller must ensure map->dso is not NULL (map is loaded). | |
120 | */ | |
121 | #define map__for_each_symbol(map, pos, n) \ | |
122 | dso__for_each_symbol(map->dso, pos, n, map->type) | |
123 | ||
0a3873a8 ACM |
124 | /* map__for_each_symbol_with_name - iterate over the symbols in the given map |
125 | * that have the given name | |
126 | * | |
127 | * @map: the 'struct map *' in which symbols itereated | |
128 | * @sym_name: the symbol name | |
129 | * @pos: the 'struct symbol *' to use as a loop cursor | |
130 | * @filter: to use when loading the DSO | |
131 | */ | |
132 | #define __map__for_each_symbol_by_name(map, sym_name, pos, filter) \ | |
133 | for (pos = map__find_symbol_by_name(map, sym_name, filter); \ | |
031b84c4 | 134 | pos && arch__compare_symbol_names(pos->name, sym_name) == 0; \ |
0a3873a8 ACM |
135 | pos = symbol__next_by_name(pos)) |
136 | ||
137 | #define map__for_each_symbol_by_name(map, sym_name, pos) \ | |
138 | __map__for_each_symbol_by_name(map, sym_name, (pos), NULL) | |
139 | ||
4a58e611 ACM |
140 | typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); |
141 | ||
031b84c4 | 142 | int arch__compare_symbol_names(const char *namea, const char *nameb); |
237a7e04 | 143 | void map__init(struct map *map, enum map_type type, |
4a58e611 | 144 | u64 start, u64 end, u64 pgoff, struct dso *dso); |
2a03068c | 145 | struct map *map__new(struct machine *machine, u64 start, u64 len, |
5c5e854b | 146 | u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, |
7ef80703 | 147 | u64 ino_gen, u32 prot, u32 flags, |
5835edda | 148 | char *filename, enum map_type type, struct thread *thread); |
e5a1845f | 149 | struct map *map__new2(u64 start, struct dso *dso, enum map_type type); |
237a7e04 ACM |
150 | void map__delete(struct map *map); |
151 | struct map *map__clone(struct map *map); | |
84c2cafa ACM |
152 | |
153 | static inline struct map *map__get(struct map *map) | |
154 | { | |
155 | if (map) | |
156 | atomic_inc(&map->refcnt); | |
157 | return map; | |
158 | } | |
159 | ||
160 | void map__put(struct map *map); | |
161 | ||
5c24b67a ACM |
162 | static inline void __map__zput(struct map **map) |
163 | { | |
164 | map__put(*map); | |
165 | *map = NULL; | |
166 | } | |
167 | ||
168 | #define map__zput(map) __map__zput(&map) | |
169 | ||
4a58e611 | 170 | int map__overlap(struct map *l, struct map *r); |
237a7e04 | 171 | size_t map__fprintf(struct map *map, FILE *fp); |
547a92e0 | 172 | size_t map__fprintf_dsoname(struct map *map, FILE *fp); |
cc8fae1d AH |
173 | int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, |
174 | FILE *fp); | |
4a58e611 | 175 | |
237a7e04 ACM |
176 | int map__load(struct map *map, symbol_filter_t filter); |
177 | struct symbol *map__find_symbol(struct map *map, | |
4a58e611 | 178 | u64 addr, symbol_filter_t filter); |
237a7e04 | 179 | struct symbol *map__find_symbol_by_name(struct map *map, const char *name, |
4a58e611 | 180 | symbol_filter_t filter); |
237a7e04 ACM |
181 | void map__fixup_start(struct map *map); |
182 | void map__fixup_end(struct map *map); | |
4a58e611 | 183 | |
237a7e04 | 184 | void map__reloc_vmlinux(struct map *map); |
9de89fe7 | 185 | |
acebd408 JO |
186 | size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type, |
187 | FILE *fp); | |
1eee78ae ACM |
188 | void maps__insert(struct maps *maps, struct map *map); |
189 | void maps__remove(struct maps *maps, struct map *map); | |
190 | struct map *maps__find(struct maps *maps, u64 addr); | |
191 | struct map *maps__first(struct maps *maps); | |
4d4dee9a | 192 | struct map *map__next(struct map *map); |
b7f9ff56 ACM |
193 | struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, |
194 | struct map **mapp, symbol_filter_t filter); | |
11246c70 | 195 | void map_groups__init(struct map_groups *mg, struct machine *machine); |
98dfd55d ACM |
196 | void map_groups__exit(struct map_groups *mg); |
197 | int map_groups__clone(struct map_groups *mg, | |
c6e718ff | 198 | struct map_groups *parent, enum map_type type); |
acebd408 | 199 | size_t map_groups__fprintf(struct map_groups *mg, FILE *fp); |
4b8cf846 | 200 | |
743eb868 ACM |
201 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, |
202 | u64 addr); | |
203 | ||
98dfd55d | 204 | static inline void map_groups__insert(struct map_groups *mg, struct map *map) |
4b8cf846 | 205 | { |
98dfd55d ACM |
206 | maps__insert(&mg->maps[map->type], map); |
207 | map->groups = mg; | |
4b8cf846 ACM |
208 | } |
209 | ||
98dfd55d | 210 | static inline void map_groups__remove(struct map_groups *mg, struct map *map) |
076c6e45 | 211 | { |
98dfd55d | 212 | maps__remove(&mg->maps[map->type], map); |
076c6e45 ACM |
213 | } |
214 | ||
98dfd55d | 215 | static inline struct map *map_groups__find(struct map_groups *mg, |
4b8cf846 ACM |
216 | enum map_type type, u64 addr) |
217 | { | |
98dfd55d | 218 | return maps__find(&mg->maps[type], addr); |
4b8cf846 ACM |
219 | } |
220 | ||
8e0cf965 AH |
221 | static inline struct map *map_groups__first(struct map_groups *mg, |
222 | enum map_type type) | |
223 | { | |
224 | return maps__first(&mg->maps[type]); | |
225 | } | |
226 | ||
227 | static inline struct map *map_groups__next(struct map *map) | |
228 | { | |
4d4dee9a | 229 | return map__next(map); |
8e0cf965 AH |
230 | } |
231 | ||
98dfd55d | 232 | struct symbol *map_groups__find_symbol(struct map_groups *mg, |
4b8cf846 | 233 | enum map_type type, u64 addr, |
7e5e1b14 | 234 | struct map **mapp, |
4b8cf846 ACM |
235 | symbol_filter_t filter); |
236 | ||
98dfd55d | 237 | struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
238 | enum map_type type, |
239 | const char *name, | |
240 | struct map **mapp, | |
241 | symbol_filter_t filter); | |
242 | ||
4e987712 ACM |
243 | struct addr_map_symbol; |
244 | ||
245 | int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter); | |
246 | ||
7e5e1b14 | 247 | static inline |
98dfd55d | 248 | struct symbol *map_groups__find_function_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
249 | const char *name, struct map **mapp, |
250 | symbol_filter_t filter) | |
4b8cf846 | 251 | { |
98dfd55d | 252 | return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); |
4b8cf846 ACM |
253 | } |
254 | ||
98dfd55d | 255 | int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
acebd408 | 256 | FILE *fp); |
c6e718ff | 257 | |
98dfd55d | 258 | struct map *map_groups__find_by_name(struct map_groups *mg, |
4b8cf846 | 259 | enum map_type type, const char *name); |
a1645ce1 | 260 | |
e6ce7126 ACM |
261 | bool __map__is_kernel(const struct map *map); |
262 | ||
263 | static inline bool __map__is_kmodule(const struct map *map) | |
264 | { | |
265 | return !__map__is_kernel(map); | |
266 | } | |
267 | ||
4a58e611 | 268 | #endif /* __PERF_MAP_H */ |