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>
23 struct rb_node rb_node;
24 struct list_head node;
35 u64 (*map_ip)(struct map *, u64);
37 u64 (*unmap_ip)(struct map *, u64);
46 struct kmap *__map__kmap(struct map *map);
47 struct kmap *map__kmap(struct map *map);
48 struct map_groups *map__kmaps(struct map *map);
50 static inline u64 map__map_ip(struct map *map, u64 ip)
52 return ip - map->start + map->pgoff;
55 static inline u64 map__unmap_ip(struct map *map, u64 ip)
57 return ip + map->start - map->pgoff;
60 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
65 static inline size_t map__size(const struct map *map)
67 return map->end - map->start;
70 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
71 u64 map__rip_2objdump(struct map *map, u64 rip);
73 /* objdump address -> memory address */
74 u64 map__objdump_2mem(struct map *map, u64 ip);
79 /* map__for_each_symbol - iterate over the symbols in the given map
81 * @map: the 'struct map *' in which symbols itereated
82 * @pos: the 'struct symbol *' to use as a loop cursor
83 * @n: the 'struct rb_node *' to use as a temporary storage
84 * Note: caller must ensure map->dso is not NULL (map is loaded).
86 #define map__for_each_symbol(map, pos, n) \
87 dso__for_each_symbol(map->dso, pos, n)
89 /* map__for_each_symbol_with_name - iterate over the symbols in the given map
90 * that have the given name
92 * @map: the 'struct map *' in which symbols itereated
93 * @sym_name: the symbol name
94 * @pos: the 'struct symbol *' to use as a loop cursor
96 #define __map__for_each_symbol_by_name(map, sym_name, pos) \
97 for (pos = map__find_symbol_by_name(map, sym_name); \
99 !symbol__match_symbol_name(pos->name, sym_name, \
100 SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
101 pos = symbol__next_by_name(pos))
103 #define map__for_each_symbol_by_name(map, sym_name, pos) \
104 __map__for_each_symbol_by_name(map, sym_name, (pos))
106 void map__init(struct map *map,
107 u64 start, u64 end, u64 pgoff, struct dso *dso);
111 struct map *map__new(struct machine *machine, u64 start, u64 len,
112 u64 pgoff, struct dso_id *id, u32 prot, u32 flags,
113 char *filename, struct thread *thread);
114 struct map *map__new2(u64 start, struct dso *dso);
115 void map__delete(struct map *map);
116 struct map *map__clone(struct map *map);
118 static inline struct map *map__get(struct map *map)
121 refcount_inc(&map->refcnt);
125 void map__put(struct map *map);
127 static inline void __map__zput(struct map **map)
133 #define map__zput(map) __map__zput(&map)
135 size_t map__fprintf(struct map *map, FILE *fp);
136 size_t map__fprintf_dsoname(struct map *map, FILE *fp);
137 char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
138 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
141 struct srccode_state;
143 int map__fprintf_srccode(struct map *map, u64 addr,
144 FILE *fp, struct srccode_state *state);
146 int map__load(struct map *map);
147 struct symbol *map__find_symbol(struct map *map, u64 addr);
148 struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
149 void map__fixup_start(struct map *map);
150 void map__fixup_end(struct map *map);
152 void map__reloc_vmlinux(struct map *map);
154 int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
157 bool __map__is_kernel(const struct map *map);
158 bool __map__is_extra_kernel_map(const struct map *map);
159 bool __map__is_bpf_prog(const struct map *map);
161 static inline bool __map__is_kmodule(const struct map *map)
163 return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) &&
164 !__map__is_bpf_prog(map);
167 bool map__has_symbols(const struct map *map);
169 #define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
171 static inline bool is_entry_trampoline(const char *name)
173 return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
176 #endif /* __PERF_MAP_H */