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;
33 u32 maj, min; /* only valid for MMAP2 record */
34 u64 ino; /* only valid for MMAP2 record */
35 u64 ino_generation;/* only valid for MMAP2 record */
38 u64 (*map_ip)(struct map *, u64);
40 u64 (*unmap_ip)(struct map *, u64);
49 struct kmap *__map__kmap(struct map *map);
50 struct kmap *map__kmap(struct map *map);
51 struct map_groups *map__kmaps(struct map *map);
53 static inline u64 map__map_ip(struct map *map, u64 ip)
55 return ip - map->start + map->pgoff;
58 static inline u64 map__unmap_ip(struct map *map, u64 ip)
60 return ip + map->start - map->pgoff;
63 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
68 static inline size_t map__size(const struct map *map)
70 return map->end - map->start;
73 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
74 u64 map__rip_2objdump(struct map *map, u64 rip);
76 /* objdump address -> memory address */
77 u64 map__objdump_2mem(struct map *map, u64 ip);
82 /* map__for_each_symbol - iterate over the symbols in the given map
84 * @map: the 'struct map *' in which symbols itereated
85 * @pos: the 'struct symbol *' to use as a loop cursor
86 * @n: the 'struct rb_node *' to use as a temporary storage
87 * Note: caller must ensure map->dso is not NULL (map is loaded).
89 #define map__for_each_symbol(map, pos, n) \
90 dso__for_each_symbol(map->dso, pos, n)
92 /* map__for_each_symbol_with_name - iterate over the symbols in the given map
93 * that have the given name
95 * @map: the 'struct map *' in which symbols itereated
96 * @sym_name: the symbol name
97 * @pos: the 'struct symbol *' to use as a loop cursor
99 #define __map__for_each_symbol_by_name(map, sym_name, pos) \
100 for (pos = map__find_symbol_by_name(map, sym_name); \
102 !symbol__match_symbol_name(pos->name, sym_name, \
103 SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
104 pos = symbol__next_by_name(pos))
106 #define map__for_each_symbol_by_name(map, sym_name, pos) \
107 __map__for_each_symbol_by_name(map, sym_name, (pos))
109 void map__init(struct map *map,
110 u64 start, u64 end, u64 pgoff, struct dso *dso);
111 struct map *map__new(struct machine *machine, u64 start, u64 len,
112 u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
113 u64 ino_gen, u32 prot, u32 flags,
114 char *filename, struct thread *thread);
115 struct map *map__new2(u64 start, struct dso *dso);
116 void map__delete(struct map *map);
117 struct map *map__clone(struct map *map);
119 static inline struct map *map__get(struct map *map)
122 refcount_inc(&map->refcnt);
126 void map__put(struct map *map);
128 static inline void __map__zput(struct map **map)
134 #define map__zput(map) __map__zput(&map)
136 size_t map__fprintf(struct map *map, FILE *fp);
137 size_t map__fprintf_dsoname(struct map *map, FILE *fp);
138 char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
139 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
142 struct srccode_state;
144 int map__fprintf_srccode(struct map *map, u64 addr,
145 FILE *fp, struct srccode_state *state);
147 int map__load(struct map *map);
148 struct symbol *map__find_symbol(struct map *map, u64 addr);
149 struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
150 void map__fixup_start(struct map *map);
151 void map__fixup_end(struct map *map);
153 void map__reloc_vmlinux(struct map *map);
155 int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
158 bool __map__is_kernel(const struct map *map);
159 bool __map__is_extra_kernel_map(const struct map *map);
160 bool __map__is_bpf_prog(const struct map *map);
162 static inline bool __map__is_kmodule(const struct map *map)
164 return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) &&
165 !__map__is_bpf_prog(map);
168 bool map__has_symbols(const struct map *map);
170 #define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
172 static inline bool is_entry_trampoline(const char *name)
174 return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
177 #endif /* __PERF_MAP_H */