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>
12 #include <linux/types.h>
22 * Data about backing storage DSO, comes from PERF_RECORD_MMAP2 meta events
33 struct rb_node rb_node;
34 struct list_head node;
45 u64 (*map_ip)(struct map *, u64);
47 u64 (*unmap_ip)(struct map *, u64);
57 struct kmap *__map__kmap(struct map *map);
58 struct kmap *map__kmap(struct map *map);
59 struct map_groups *map__kmaps(struct map *map);
61 static inline u64 map__map_ip(struct map *map, u64 ip)
63 return ip - map->start + map->pgoff;
66 static inline u64 map__unmap_ip(struct map *map, u64 ip)
68 return ip + map->start - map->pgoff;
71 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
76 static inline size_t map__size(const struct map *map)
78 return map->end - map->start;
81 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
82 u64 map__rip_2objdump(struct map *map, u64 rip);
84 /* objdump address -> memory address */
85 u64 map__objdump_2mem(struct map *map, u64 ip);
90 /* map__for_each_symbol - iterate over the symbols in the given map
92 * @map: the 'struct map *' in which symbols itereated
93 * @pos: the 'struct symbol *' to use as a loop cursor
94 * @n: the 'struct rb_node *' to use as a temporary storage
95 * Note: caller must ensure map->dso is not NULL (map is loaded).
97 #define map__for_each_symbol(map, pos, n) \
98 dso__for_each_symbol(map->dso, pos, n)
100 /* map__for_each_symbol_with_name - iterate over the symbols in the given map
101 * that have the given name
103 * @map: the 'struct map *' in which symbols itereated
104 * @sym_name: the symbol name
105 * @pos: the 'struct symbol *' to use as a loop cursor
107 #define __map__for_each_symbol_by_name(map, sym_name, pos) \
108 for (pos = map__find_symbol_by_name(map, sym_name); \
110 !symbol__match_symbol_name(pos->name, sym_name, \
111 SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
112 pos = symbol__next_by_name(pos))
114 #define map__for_each_symbol_by_name(map, sym_name, pos) \
115 __map__for_each_symbol_by_name(map, sym_name, (pos))
117 void map__init(struct map *map,
118 u64 start, u64 end, u64 pgoff, struct dso *dso);
119 struct map *map__new(struct machine *machine, u64 start, u64 len,
120 u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
121 u64 ino_gen, u32 prot, u32 flags,
122 char *filename, struct thread *thread);
123 struct map *map__new2(u64 start, struct dso *dso);
124 void map__delete(struct map *map);
125 struct map *map__clone(struct map *map);
127 static inline struct map *map__get(struct map *map)
130 refcount_inc(&map->refcnt);
134 void map__put(struct map *map);
136 static inline void __map__zput(struct map **map)
142 #define map__zput(map) __map__zput(&map)
144 size_t map__fprintf(struct map *map, FILE *fp);
145 size_t map__fprintf_dsoname(struct map *map, FILE *fp);
146 char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
147 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
150 struct srccode_state;
152 int map__fprintf_srccode(struct map *map, u64 addr,
153 FILE *fp, struct srccode_state *state);
155 int map__load(struct map *map);
156 struct symbol *map__find_symbol(struct map *map, u64 addr);
157 struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
158 void map__fixup_start(struct map *map);
159 void map__fixup_end(struct map *map);
161 void map__reloc_vmlinux(struct map *map);
163 int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
166 bool __map__is_kernel(const struct map *map);
167 bool __map__is_extra_kernel_map(const struct map *map);
168 bool __map__is_bpf_prog(const struct map *map);
170 static inline bool __map__is_kmodule(const struct map *map)
172 return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) &&
173 !__map__is_bpf_prog(map);
176 bool map__has_symbols(const struct map *map);
178 #define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
180 static inline bool is_entry_trampoline(const char *name)
182 return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
185 #endif /* __PERF_MAP_H */