1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/refcount.h>
6 #include <linux/compiler.h>
7 #include <linux/list.h>
8 #include <linux/rbtree.h>
13 #include <linux/types.h>
25 struct rb_node rb_node;
26 struct list_head node;
36 u32 maj, min; /* only valid for MMAP2 record */
37 u64 ino; /* only valid for MMAP2 record */
38 u64 ino_generation;/* only valid for MMAP2 record */
41 u64 (*map_ip)(struct map *, u64);
43 u64 (*unmap_ip)(struct map *, u64);
46 struct map_groups *groups;
50 #define KMAP_NAME_LEN 256
53 struct ref_reloc_sym *ref_reloc_sym;
54 struct map_groups *kmaps;
55 char name[KMAP_NAME_LEN];
59 struct rb_root entries;
60 struct rw_semaphore lock;
65 struct machine *machine;
69 struct map_groups *map_groups__new(struct machine *machine);
70 void map_groups__delete(struct map_groups *mg);
71 bool map_groups__empty(struct map_groups *mg);
73 static inline struct map_groups *map_groups__get(struct map_groups *mg)
76 refcount_inc(&mg->refcnt);
80 void map_groups__put(struct map_groups *mg);
82 struct kmap *__map__kmap(struct map *map);
83 struct kmap *map__kmap(struct map *map);
84 struct map_groups *map__kmaps(struct map *map);
86 static inline u64 map__map_ip(struct map *map, u64 ip)
88 return ip - map->start + map->pgoff;
91 static inline u64 map__unmap_ip(struct map *map, u64 ip)
93 return ip + map->start - map->pgoff;
96 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
101 static inline size_t map__size(const struct map *map)
103 return map->end - map->start;
106 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
107 u64 map__rip_2objdump(struct map *map, u64 rip);
109 /* objdump address -> memory address */
110 u64 map__objdump_2mem(struct map *map, u64 ip);
115 /* map__for_each_symbol - iterate over the symbols in the given map
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).
122 #define map__for_each_symbol(map, pos, n) \
123 dso__for_each_symbol(map->dso, pos, n)
125 /* map__for_each_symbol_with_name - iterate over the symbols in the given map
126 * that have the given name
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
132 #define __map__for_each_symbol_by_name(map, sym_name, pos) \
133 for (pos = map__find_symbol_by_name(map, sym_name); \
135 !symbol__match_symbol_name(pos->name, sym_name, \
136 SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
137 pos = symbol__next_by_name(pos))
139 #define map__for_each_symbol_by_name(map, sym_name, pos) \
140 __map__for_each_symbol_by_name(map, sym_name, (pos))
142 void map__init(struct map *map,
143 u64 start, u64 end, u64 pgoff, struct dso *dso);
144 struct map *map__new(struct machine *machine, u64 start, u64 len,
145 u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
146 u64 ino_gen, u32 prot, u32 flags,
147 char *filename, struct thread *thread);
148 struct map *map__new2(u64 start, struct dso *dso);
149 void map__delete(struct map *map);
150 struct map *map__clone(struct map *map);
152 static inline struct map *map__get(struct map *map)
155 refcount_inc(&map->refcnt);
159 void map__put(struct map *map);
161 static inline void __map__zput(struct map **map)
167 #define map__zput(map) __map__zput(&map)
169 int map__overlap(struct map *l, struct map *r);
170 size_t map__fprintf(struct map *map, FILE *fp);
171 size_t map__fprintf_dsoname(struct map *map, FILE *fp);
172 char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
173 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
176 int map__load(struct map *map);
177 struct symbol *map__find_symbol(struct map *map, u64 addr);
178 struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
179 void map__fixup_start(struct map *map);
180 void map__fixup_end(struct map *map);
182 void map__reloc_vmlinux(struct map *map);
184 void maps__insert(struct maps *maps, struct map *map);
185 void maps__remove(struct maps *maps, struct map *map);
186 struct map *maps__find(struct maps *maps, u64 addr);
187 struct map *maps__first(struct maps *maps);
188 struct map *map__next(struct map *map);
189 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
191 void map_groups__init(struct map_groups *mg, struct machine *machine);
192 void map_groups__exit(struct map_groups *mg);
193 int map_groups__clone(struct thread *thread,
194 struct map_groups *parent);
195 size_t map_groups__fprintf(struct map_groups *mg, FILE *fp);
197 int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
200 static inline void map_groups__insert(struct map_groups *mg, struct map *map)
202 maps__insert(&mg->maps, map);
206 static inline void map_groups__remove(struct map_groups *mg, struct map *map)
208 maps__remove(&mg->maps, map);
211 static inline struct map *map_groups__find(struct map_groups *mg, u64 addr)
213 return maps__find(&mg->maps, addr);
216 struct map *map_groups__first(struct map_groups *mg);
218 static inline struct map *map_groups__next(struct map *map)
220 return map__next(map);
223 struct symbol *map_groups__find_symbol(struct map_groups *mg,
224 u64 addr, struct map **mapp);
226 struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
230 struct addr_map_symbol;
232 int map_groups__find_ams(struct addr_map_symbol *ams);
234 int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,
237 struct map *map_groups__find_by_name(struct map_groups *mg, const char *name);
239 bool __map__is_kernel(const struct map *map);
240 bool __map__is_extra_kernel_map(const struct map *map);
242 static inline bool __map__is_kmodule(const struct map *map)
244 return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map);
247 bool map__has_symbols(const struct map *map);
249 #define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
251 static inline bool is_entry_trampoline(const char *name)
253 return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
256 #endif /* __PERF_MAP_H */