4 #include <linux/compiler.h>
5 #include <linux/list.h>
6 #include <linux/rbtree.h>
9 #include <linux/types.h>
16 #define MAP__NR_TYPES (MAP__VARIABLE + 1)
18 extern const char *map_type__name[MAP__NR_TYPES];
29 struct rb_node rb_node;
30 struct list_head node;
34 u8 /* enum map_type */ type;
42 u32 maj, min; /* only valid for MMAP2 record */
43 u64 ino; /* only valid for MMAP2 record */
44 u64 ino_generation;/* only valid for MMAP2 record */
47 u64 (*map_ip)(struct map *, u64);
49 u64 (*unmap_ip)(struct map *, u64);
52 struct map_groups *groups;
56 struct ref_reloc_sym *ref_reloc_sym;
57 struct map_groups *kmaps;
61 struct rb_root maps[MAP__NR_TYPES];
62 struct list_head removed_maps[MAP__NR_TYPES];
63 struct machine *machine;
67 struct map_groups *map_groups__new(struct machine *machine);
68 void map_groups__delete(struct map_groups *mg);
69 bool map_groups__empty(struct map_groups *mg);
71 static inline struct map_groups *map_groups__get(struct map_groups *mg)
77 void map_groups__put(struct map_groups *mg);
79 static inline struct kmap *map__kmap(struct map *map)
81 return (struct kmap *)(map + 1);
84 static inline u64 map__map_ip(struct map *map, u64 ip)
86 return ip - map->start + map->pgoff;
89 static inline u64 map__unmap_ip(struct map *map, u64 ip)
91 return ip + map->start - map->pgoff;
94 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
100 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
101 u64 map__rip_2objdump(struct map *map, u64 rip);
103 /* objdump address -> memory address */
104 u64 map__objdump_2mem(struct map *map, u64 ip);
109 /* map__for_each_symbol - iterate over the symbols in the given map
111 * @map: the 'struct map *' in which symbols itereated
112 * @pos: the 'struct symbol *' to use as a loop cursor
113 * @n: the 'struct rb_node *' to use as a temporary storage
114 * Note: caller must ensure map->dso is not NULL (map is loaded).
116 #define map__for_each_symbol(map, pos, n) \
117 dso__for_each_symbol(map->dso, pos, n, map->type)
119 /* map__for_each_symbol_with_name - iterate over the symbols in the given map
120 * that have the given name
122 * @map: the 'struct map *' in which symbols itereated
123 * @sym_name: the symbol name
124 * @pos: the 'struct symbol *' to use as a loop cursor
125 * @filter: to use when loading the DSO
127 #define __map__for_each_symbol_by_name(map, sym_name, pos, filter) \
128 for (pos = map__find_symbol_by_name(map, sym_name, filter); \
129 pos && strcmp(pos->name, sym_name) == 0; \
130 pos = symbol__next_by_name(pos))
132 #define map__for_each_symbol_by_name(map, sym_name, pos) \
133 __map__for_each_symbol_by_name(map, sym_name, (pos), NULL)
135 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
137 void map__init(struct map *map, enum map_type type,
138 u64 start, u64 end, u64 pgoff, struct dso *dso);
139 struct map *map__new(struct machine *machine, u64 start, u64 len,
140 u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino,
141 u64 ino_gen, u32 prot, u32 flags,
142 char *filename, enum map_type type, struct thread *thread);
143 struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
144 void map__delete(struct map *map);
145 struct map *map__clone(struct map *map);
146 int map__overlap(struct map *l, struct map *r);
147 size_t map__fprintf(struct map *map, FILE *fp);
148 size_t map__fprintf_dsoname(struct map *map, FILE *fp);
149 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
152 int map__load(struct map *map, symbol_filter_t filter);
153 struct symbol *map__find_symbol(struct map *map,
154 u64 addr, symbol_filter_t filter);
155 struct symbol *map__find_symbol_by_name(struct map *map, const char *name,
156 symbol_filter_t filter);
157 void map__fixup_start(struct map *map);
158 void map__fixup_end(struct map *map);
160 void map__reloc_vmlinux(struct map *map);
162 size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type,
164 void maps__insert(struct rb_root *maps, struct map *map);
165 void maps__remove(struct rb_root *maps, struct map *map);
166 struct map *maps__find(struct rb_root *maps, u64 addr);
167 struct map *maps__first(struct rb_root *maps);
168 struct map *maps__next(struct map *map);
169 void map_groups__init(struct map_groups *mg, struct machine *machine);
170 void map_groups__exit(struct map_groups *mg);
171 int map_groups__clone(struct map_groups *mg,
172 struct map_groups *parent, enum map_type type);
173 size_t map_groups__fprintf(struct map_groups *mg, FILE *fp);
175 int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
178 static inline void map_groups__insert(struct map_groups *mg, struct map *map)
180 maps__insert(&mg->maps[map->type], map);
184 static inline void map_groups__remove(struct map_groups *mg, struct map *map)
186 maps__remove(&mg->maps[map->type], map);
189 static inline struct map *map_groups__find(struct map_groups *mg,
190 enum map_type type, u64 addr)
192 return maps__find(&mg->maps[type], addr);
195 static inline struct map *map_groups__first(struct map_groups *mg,
198 return maps__first(&mg->maps[type]);
201 static inline struct map *map_groups__next(struct map *map)
203 return maps__next(map);
206 struct symbol *map_groups__find_symbol(struct map_groups *mg,
207 enum map_type type, u64 addr,
209 symbol_filter_t filter);
211 struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
215 symbol_filter_t filter);
217 struct addr_map_symbol;
219 int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter);
222 struct symbol *map_groups__find_function_by_name(struct map_groups *mg,
223 const char *name, struct map **mapp,
224 symbol_filter_t filter)
226 return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter);
229 int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,
232 struct map *map_groups__find_by_name(struct map_groups *mg,
233 enum map_type type, const char *name);
235 void map_groups__flush(struct map_groups *mg);
237 #endif /* __PERF_MAP_H */