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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __PERF_MAP_H
- #define __PERF_MAP_H
- #include <linux/refcount.h>
- #include <linux/compiler.h>
- #include <linux/list.h>
- #include <linux/rbtree.h>
- #include <stdio.h>
- #include <string.h>
- #include <stdbool.h>
- #include <linux/types.h>
- struct dso;
- struct maps;
- struct machine;
- struct map {
- union {
- struct rb_node rb_node;
- struct list_head node;
- };
- u64 start;
- u64 end;
- bool erange_warned:1;
- bool priv:1;
- u32 prot;
- u64 pgoff;
- u64 reloc;
- /* ip -> dso rip */
- u64 (*map_ip)(struct map *, u64);
- /* dso rip -> ip */
- u64 (*unmap_ip)(struct map *, u64);
- struct dso *dso;
- refcount_t refcnt;
- u32 flags;
- };
- struct kmap;
- struct kmap *__map__kmap(struct map *map);
- struct kmap *map__kmap(struct map *map);
- struct maps *map__kmaps(struct map *map);
- static inline u64 map__map_ip(struct map *map, u64 ip)
- {
- return ip - map->start + map->pgoff;
- }
- static inline u64 map__unmap_ip(struct map *map, u64 ip)
- {
- return ip + map->start - map->pgoff;
- }
- static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
- {
- return ip;
- }
- static inline size_t map__size(const struct map *map)
- {
- return map->end - map->start;
- }
- /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
- u64 map__rip_2objdump(struct map *map, u64 rip);
- /* objdump address -> memory address */
- u64 map__objdump_2mem(struct map *map, u64 ip);
- struct symbol;
- struct thread;
- /* map__for_each_symbol - iterate over the symbols in the given map
- *
- * @map: the 'struct map *' in which symbols itereated
- * @pos: the 'struct symbol *' to use as a loop cursor
- * @n: the 'struct rb_node *' to use as a temporary storage
- * Note: caller must ensure map->dso is not NULL (map is loaded).
- */
- #define map__for_each_symbol(map, pos, n) \
- dso__for_each_symbol(map->dso, pos, n)
- /* map__for_each_symbol_with_name - iterate over the symbols in the given map
- * that have the given name
- *
- * @map: the 'struct map *' in which symbols itereated
- * @sym_name: the symbol name
- * @pos: the 'struct symbol *' to use as a loop cursor
- */
- #define __map__for_each_symbol_by_name(map, sym_name, pos) \
- for (pos = map__find_symbol_by_name(map, sym_name); \
- pos && \
- !symbol__match_symbol_name(pos->name, sym_name, \
- SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
- pos = symbol__next_by_name(pos))
- #define map__for_each_symbol_by_name(map, sym_name, pos) \
- __map__for_each_symbol_by_name(map, sym_name, (pos))
- void map__init(struct map *map,
- u64 start, u64 end, u64 pgoff, struct dso *dso);
- struct dso_id;
- struct map *map__new(struct machine *machine, u64 start, u64 len,
- u64 pgoff, struct dso_id *id, u32 prot, u32 flags,
- char *filename, struct thread *thread);
- struct map *map__new2(u64 start, struct dso *dso);
- void map__delete(struct map *map);
- struct map *map__clone(struct map *map);
- static inline struct map *map__get(struct map *map)
- {
- if (map)
- refcount_inc(&map->refcnt);
- return map;
- }
- void map__put(struct map *map);
- static inline void __map__zput(struct map **map)
- {
- map__put(*map);
- *map = NULL;
- }
- #define map__zput(map) __map__zput(&map)
- size_t map__fprintf(struct map *map, FILE *fp);
- size_t map__fprintf_dsoname(struct map *map, FILE *fp);
- char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
- int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
- FILE *fp);
- int map__load(struct map *map);
- struct symbol *map__find_symbol(struct map *map, u64 addr);
- struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
- void map__fixup_start(struct map *map);
- void map__fixup_end(struct map *map);
- int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
- u64 addr);
- bool __map__is_kernel(const struct map *map);
- bool __map__is_extra_kernel_map(const struct map *map);
- bool __map__is_bpf_prog(const struct map *map);
- bool __map__is_bpf_image(const struct map *map);
- bool __map__is_ool(const struct map *map);
- static inline bool __map__is_kmodule(const struct map *map)
- {
- return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) &&
- !__map__is_bpf_prog(map) && !__map__is_ool(map) &&
- !__map__is_bpf_image(map);
- }
- bool map__has_symbols(const struct map *map);
- #define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
- static inline bool is_entry_trampoline(const char *name)
- {
- return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
- }
- static inline bool is_bpf_image(const char *name)
- {
- return strncmp(name, "bpf_trampoline_", sizeof("bpf_trampoline_") - 1) == 0 ||
- strncmp(name, "bpf_dispatcher_", sizeof("bpf_dispatcher_") - 1) == 0;
- }
- static inline int is_anon_memory(const char *filename)
- {
- return !strcmp(filename, "//anon") ||
- !strncmp(filename, "/dev/zero", sizeof("/dev/zero") - 1) ||
- !strncmp(filename, "/anon_hugepage", sizeof("/anon_hugepage") - 1);
- }
- static inline int is_no_dso_memory(const char *filename)
- {
- return !strncmp(filename, "[stack", 6) ||
- !strncmp(filename, "/SYSV", 5) ||
- !strcmp(filename, "[heap]");
- }
- #endif /* __PERF_MAP_H */
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