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4a58e611 ACM |
1 | #ifndef __PERF_MAP_H |
2 | #define __PERF_MAP_H | |
3 | ||
4 | #include <linux/compiler.h> | |
5 | #include <linux/list.h> | |
6 | #include <linux/rbtree.h> | |
4b8cf846 | 7 | #include <stdio.h> |
23346f21 | 8 | #include <stdbool.h> |
4b8cf846 | 9 | #include "types.h" |
4a58e611 ACM |
10 | |
11 | enum map_type { | |
12 | MAP__FUNCTION = 0, | |
13 | MAP__VARIABLE, | |
14 | }; | |
15 | ||
16 | #define MAP__NR_TYPES (MAP__VARIABLE + 1) | |
17 | ||
3846df2e ACM |
18 | extern const char *map_type__name[MAP__NR_TYPES]; |
19 | ||
4a58e611 | 20 | struct dso; |
743eb868 | 21 | struct ip_callchain; |
9de89fe7 ACM |
22 | struct ref_reloc_sym; |
23 | struct map_groups; | |
23346f21 | 24 | struct machine; |
743eb868 | 25 | struct perf_evsel; |
4a58e611 ACM |
26 | |
27 | struct map { | |
28 | union { | |
29 | struct rb_node rb_node; | |
30 | struct list_head node; | |
31 | }; | |
32 | u64 start; | |
33 | u64 end; | |
0a1eae39 ACM |
34 | u8 /* enum map_type */ type; |
35 | bool referenced; | |
31d68e7b | 36 | bool erange_warned; |
5c0541d5 | 37 | u32 priv; |
4a58e611 | 38 | u64 pgoff; |
7a2b6209 KS |
39 | |
40 | /* ip -> dso rip */ | |
4a58e611 | 41 | u64 (*map_ip)(struct map *, u64); |
7a2b6209 | 42 | /* dso rip -> ip */ |
4a58e611 | 43 | u64 (*unmap_ip)(struct map *, u64); |
7a2b6209 | 44 | |
4a58e611 | 45 | struct dso *dso; |
a1645ce1 | 46 | struct map_groups *groups; |
4a58e611 ACM |
47 | }; |
48 | ||
9de89fe7 ACM |
49 | struct kmap { |
50 | struct ref_reloc_sym *ref_reloc_sym; | |
51 | struct map_groups *kmaps; | |
52 | }; | |
53 | ||
a1645ce1 | 54 | struct map_groups { |
23346f21 ACM |
55 | struct rb_root maps[MAP__NR_TYPES]; |
56 | struct list_head removed_maps[MAP__NR_TYPES]; | |
57 | struct machine *machine; | |
a1645ce1 ZY |
58 | }; |
59 | ||
23346f21 | 60 | /* Native host kernel uses -1 as pid index in machine */ |
a1645ce1 ZY |
61 | #define HOST_KERNEL_ID (-1) |
62 | #define DEFAULT_GUEST_KERNEL_ID (0) | |
63 | ||
23346f21 ACM |
64 | struct machine { |
65 | struct rb_node rb_node; | |
66 | pid_t pid; | |
743eb868 | 67 | u16 id_hdr_size; |
23346f21 | 68 | char *root_dir; |
b424eba2 ACM |
69 | struct rb_root threads; |
70 | struct list_head dead_threads; | |
71 | struct thread *last_match; | |
23346f21 ACM |
72 | struct list_head user_dsos; |
73 | struct list_head kernel_dsos; | |
a1645ce1 | 74 | struct map_groups kmaps; |
23346f21 | 75 | struct map *vmlinux_maps[MAP__NR_TYPES]; |
a1645ce1 ZY |
76 | }; |
77 | ||
5c0541d5 ACM |
78 | static inline |
79 | struct map *machine__kernel_map(struct machine *self, enum map_type type) | |
80 | { | |
81 | return self->vmlinux_maps[type]; | |
82 | } | |
83 | ||
9de89fe7 ACM |
84 | static inline struct kmap *map__kmap(struct map *self) |
85 | { | |
86 | return (struct kmap *)(self + 1); | |
87 | } | |
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 | |
4a58e611 | 108 | struct symbol; |
4a58e611 ACM |
109 | |
110 | typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); | |
111 | ||
112 | void map__init(struct map *self, enum map_type type, | |
113 | u64 start, u64 end, u64 pgoff, struct dso *dso); | |
a1645ce1 ZY |
114 | struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, |
115 | u64 pgoff, u32 pid, char *filename, | |
361d1346 | 116 | enum map_type type); |
e5a1845f | 117 | struct map *map__new2(u64 start, struct dso *dso, enum map_type type); |
4a58e611 ACM |
118 | void map__delete(struct map *self); |
119 | struct map *map__clone(struct map *self); | |
120 | int map__overlap(struct map *l, struct map *r); | |
121 | size_t map__fprintf(struct map *self, FILE *fp); | |
547a92e0 | 122 | size_t map__fprintf_dsoname(struct map *map, FILE *fp); |
4a58e611 | 123 | |
9de89fe7 ACM |
124 | int map__load(struct map *self, symbol_filter_t filter); |
125 | struct symbol *map__find_symbol(struct map *self, | |
4a58e611 ACM |
126 | u64 addr, symbol_filter_t filter); |
127 | struct symbol *map__find_symbol_by_name(struct map *self, const char *name, | |
4a58e611 ACM |
128 | symbol_filter_t filter); |
129 | void map__fixup_start(struct map *self); | |
130 | void map__fixup_end(struct map *self); | |
131 | ||
9de89fe7 ACM |
132 | void map__reloc_vmlinux(struct map *self); |
133 | ||
98dfd55d | 134 | size_t __map_groups__fprintf_maps(struct map_groups *mg, |
c6e718ff | 135 | enum map_type type, int verbose, FILE *fp); |
4b8cf846 | 136 | void maps__insert(struct rb_root *maps, struct map *map); |
98dfd55d | 137 | void maps__remove(struct rb_root *maps, struct map *map); |
4b8cf846 | 138 | struct map *maps__find(struct rb_root *maps, u64 addr); |
98dfd55d ACM |
139 | void map_groups__init(struct map_groups *mg); |
140 | void map_groups__exit(struct map_groups *mg); | |
141 | int map_groups__clone(struct map_groups *mg, | |
c6e718ff | 142 | struct map_groups *parent, enum map_type type); |
98dfd55d ACM |
143 | size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp); |
144 | size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); | |
4b8cf846 | 145 | |
23346f21 ACM |
146 | typedef void (*machine__process_t)(struct machine *self, void *data); |
147 | ||
148 | void machines__process(struct rb_root *self, machine__process_t process, void *data); | |
149 | struct machine *machines__add(struct rb_root *self, pid_t pid, | |
150 | const char *root_dir); | |
151 | struct machine *machines__find_host(struct rb_root *self); | |
152 | struct machine *machines__find(struct rb_root *self, pid_t pid); | |
153 | struct machine *machines__findnew(struct rb_root *self, pid_t pid); | |
adb5d2a4 | 154 | void machines__set_id_hdr_size(struct rb_root *self, u16 id_hdr_size); |
48ea8f54 | 155 | char *machine__mmap_name(struct machine *self, char *bf, size_t size); |
d28c6223 | 156 | int machine__init(struct machine *self, const char *root_dir, pid_t pid); |
d65a458b | 157 | void machine__exit(struct machine *self); |
076c6e45 | 158 | void machine__delete(struct machine *self); |
a1645ce1 | 159 | |
71ad0f5e JO |
160 | struct perf_evsel; |
161 | struct perf_sample; | |
743eb868 | 162 | int machine__resolve_callchain(struct machine *machine, |
71ad0f5e | 163 | struct perf_evsel *evsel, |
a9c34a9f | 164 | struct thread *thread, |
71ad0f5e | 165 | struct perf_sample *sample, |
743eb868 ACM |
166 | struct symbol **parent); |
167 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, | |
168 | u64 addr); | |
169 | ||
a1645ce1 ZY |
170 | /* |
171 | * Default guest kernel is defined by parameter --guestkallsyms | |
172 | * and --guestmodules | |
173 | */ | |
23346f21 | 174 | static inline bool machine__is_default_guest(struct machine *self) |
a1645ce1 | 175 | { |
23346f21 | 176 | return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false; |
a1645ce1 ZY |
177 | } |
178 | ||
23346f21 | 179 | static inline bool machine__is_host(struct machine *self) |
a1645ce1 | 180 | { |
23346f21 | 181 | return self ? self->pid == HOST_KERNEL_ID : false; |
a1645ce1 ZY |
182 | } |
183 | ||
98dfd55d | 184 | static inline void map_groups__insert(struct map_groups *mg, struct map *map) |
4b8cf846 | 185 | { |
98dfd55d ACM |
186 | maps__insert(&mg->maps[map->type], map); |
187 | map->groups = mg; | |
4b8cf846 ACM |
188 | } |
189 | ||
98dfd55d | 190 | static inline void map_groups__remove(struct map_groups *mg, struct map *map) |
076c6e45 | 191 | { |
98dfd55d | 192 | maps__remove(&mg->maps[map->type], map); |
076c6e45 ACM |
193 | } |
194 | ||
98dfd55d | 195 | static inline struct map *map_groups__find(struct map_groups *mg, |
4b8cf846 ACM |
196 | enum map_type type, u64 addr) |
197 | { | |
98dfd55d | 198 | return maps__find(&mg->maps[type], addr); |
4b8cf846 ACM |
199 | } |
200 | ||
98dfd55d | 201 | struct symbol *map_groups__find_symbol(struct map_groups *mg, |
4b8cf846 | 202 | enum map_type type, u64 addr, |
7e5e1b14 | 203 | struct map **mapp, |
4b8cf846 ACM |
204 | symbol_filter_t filter); |
205 | ||
98dfd55d | 206 | struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
207 | enum map_type type, |
208 | const char *name, | |
209 | struct map **mapp, | |
210 | symbol_filter_t filter); | |
211 | ||
b424eba2 ACM |
212 | |
213 | struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); | |
214 | void machine__remove_thread(struct machine *machine, struct thread *th); | |
215 | ||
216 | size_t machine__fprintf(struct machine *machine, FILE *fp); | |
217 | ||
5c0541d5 ACM |
218 | static inline |
219 | struct symbol *machine__find_kernel_symbol(struct machine *self, | |
220 | enum map_type type, u64 addr, | |
221 | struct map **mapp, | |
222 | symbol_filter_t filter) | |
223 | { | |
224 | return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter); | |
225 | } | |
226 | ||
227 | static inline | |
228 | struct symbol *machine__find_kernel_function(struct machine *self, u64 addr, | |
229 | struct map **mapp, | |
230 | symbol_filter_t filter) | |
7e5e1b14 | 231 | { |
5c0541d5 | 232 | return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter); |
7e5e1b14 ACM |
233 | } |
234 | ||
235 | static inline | |
98dfd55d | 236 | struct symbol *map_groups__find_function_by_name(struct map_groups *mg, |
7e5e1b14 ACM |
237 | const char *name, struct map **mapp, |
238 | symbol_filter_t filter) | |
4b8cf846 | 239 | { |
98dfd55d | 240 | return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); |
4b8cf846 ACM |
241 | } |
242 | ||
469b9b88 MH |
243 | static inline |
244 | struct symbol *machine__find_kernel_function_by_name(struct machine *self, | |
245 | const char *name, | |
246 | struct map **mapp, | |
247 | symbol_filter_t filter) | |
248 | { | |
249 | return map_groups__find_function_by_name(&self->kmaps, name, mapp, | |
250 | filter); | |
251 | } | |
252 | ||
98dfd55d | 253 | int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
c6e718ff ACM |
254 | int verbose, FILE *fp); |
255 | ||
98dfd55d | 256 | struct map *map_groups__find_by_name(struct map_groups *mg, |
4b8cf846 | 257 | enum map_type type, const char *name); |
d28c6223 | 258 | struct map *machine__new_module(struct machine *self, u64 start, const char *filename); |
a1645ce1 | 259 | |
98dfd55d | 260 | void map_groups__flush(struct map_groups *mg); |
4b8cf846 | 261 | |
4a58e611 | 262 | #endif /* __PERF_MAP_H */ |