4 #include <linux/atomic.h>
5 #include <linux/compiler.h>
6 #include <linux/list.h>
7 #include <linux/rbtree.h>
11 #include <linux/types.h>
18 #define MAP__NR_TYPES (MAP__VARIABLE + 1)
20 extern const char *map_type__name[MAP__NR_TYPES];
31 struct rb_node rb_node;
32 struct list_head node;
36 u8 /* enum map_type */ type;
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 */
48 u64 (*map_ip)(struct map *, u64);
50 u64 (*unmap_ip)(struct map *, u64);
53 struct map_groups *groups;
58 struct ref_reloc_sym *ref_reloc_sym;
59 struct map_groups *kmaps;
63 struct rb_root entries;
64 pthread_rwlock_t lock;
68 struct maps maps[MAP__NR_TYPES];
69 struct machine *machine;
73 struct map_groups *map_groups__new(struct machine *machine);
74 void map_groups__delete(struct map_groups *mg);
75 bool map_groups__empty(struct map_groups *mg);
77 static inline struct map_groups *map_groups__get(struct map_groups *mg)
80 atomic_inc(&mg->refcnt);
84 void map_groups__put(struct map_groups *mg);
86 struct kmap *map__kmap(struct map *map);
87 struct map_groups *map__kmaps(struct map *map);
89 static inline u64 map__map_ip(struct map *map, u64 ip)
91 return ip - map->start + map->pgoff;
94 static inline u64 map__unmap_ip(struct map *map, u64 ip)
96 return ip + map->start - map->pgoff;
99 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
105 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
106 u64 map__rip_2objdump(struct map *map, u64 rip);
108 /* objdump address -> memory address */
109 u64 map__objdump_2mem(struct map *map, u64 ip);
114 /* map__for_each_symbol - iterate over the symbols in the given map
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).
121 #define map__for_each_symbol(map, pos, n) \
122 dso__for_each_symbol(map->dso, pos, n, map->type)
124 /* map__for_each_symbol_with_name - iterate over the symbols in the given map
125 * that have the given name
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
131 #define __map__for_each_symbol_by_name(map, sym_name, pos) \
132 for (pos = map__find_symbol_by_name(map, sym_name); \
133 pos && arch__compare_symbol_names(pos->name, sym_name) == 0; \
134 pos = symbol__next_by_name(pos))
136 #define map__for_each_symbol_by_name(map, sym_name, pos) \
137 __map__for_each_symbol_by_name(map, sym_name, (pos))
139 int arch__compare_symbol_names(const char *namea, const char *nameb);
140 void map__init(struct map *map, enum map_type type,
141 u64 start, u64 end, u64 pgoff, struct dso *dso);
142 struct map *map__new(struct machine *machine, u64 start, u64 len,
143 u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino,
144 u64 ino_gen, u32 prot, u32 flags,
145 char *filename, enum map_type type, struct thread *thread);
146 struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
147 void map__delete(struct map *map);
148 struct map *map__clone(struct map *map);
150 static inline struct map *map__get(struct map *map)
153 atomic_inc(&map->refcnt);
157 void map__put(struct map *map);
159 static inline void __map__zput(struct map **map)
165 #define map__zput(map) __map__zput(&map)
167 int map__overlap(struct map *l, struct map *r);
168 size_t map__fprintf(struct map *map, FILE *fp);
169 size_t map__fprintf_dsoname(struct map *map, FILE *fp);
170 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
173 int map__load(struct map *map);
174 struct symbol *map__find_symbol(struct map *map, u64 addr);
175 struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
176 void map__fixup_start(struct map *map);
177 void map__fixup_end(struct map *map);
179 void map__reloc_vmlinux(struct map *map);
181 size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type,
183 void maps__insert(struct maps *maps, struct map *map);
184 void maps__remove(struct maps *maps, struct map *map);
185 struct map *maps__find(struct maps *maps, u64 addr);
186 struct map *maps__first(struct maps *maps);
187 struct map *map__next(struct map *map);
188 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
190 void map_groups__init(struct map_groups *mg, struct machine *machine);
191 void map_groups__exit(struct map_groups *mg);
192 int map_groups__clone(struct thread *thread,
193 struct map_groups *parent, enum map_type type);
194 size_t map_groups__fprintf(struct map_groups *mg, FILE *fp);
196 int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
199 static inline void map_groups__insert(struct map_groups *mg, struct map *map)
201 maps__insert(&mg->maps[map->type], map);
205 static inline void map_groups__remove(struct map_groups *mg, struct map *map)
207 maps__remove(&mg->maps[map->type], map);
210 static inline struct map *map_groups__find(struct map_groups *mg,
211 enum map_type type, u64 addr)
213 return maps__find(&mg->maps[type], addr);
216 static inline struct map *map_groups__first(struct map_groups *mg,
219 return maps__first(&mg->maps[type]);
222 static inline struct map *map_groups__next(struct map *map)
224 return map__next(map);
227 struct symbol *map_groups__find_symbol(struct map_groups *mg,
228 enum map_type type, u64 addr,
231 struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
236 struct addr_map_symbol;
238 int map_groups__find_ams(struct addr_map_symbol *ams);
241 struct symbol *map_groups__find_function_by_name(struct map_groups *mg,
242 const char *name, struct map **mapp)
244 return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp);
247 int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,
250 struct map *map_groups__find_by_name(struct map_groups *mg,
251 enum map_type type, const char *name);
253 bool __map__is_kernel(const struct map *map);
255 static inline bool __map__is_kmodule(const struct map *map)
257 return !__map__is_kernel(map);
260 #endif /* __PERF_MAP_H */