| #ifndef __PERF_MAP_H |
| #define __PERF_MAP_H |
| |
| #include <linux/compiler.h> |
| #include <linux/list.h> |
| #include <linux/rbtree.h> |
| #include <stdio.h> |
| #include <stdbool.h> |
| #include "types.h" |
| |
| enum map_type { |
| MAP__FUNCTION = 0, |
| MAP__VARIABLE, |
| }; |
| |
| #define MAP__NR_TYPES (MAP__VARIABLE + 1) |
| |
| extern const char *map_type__name[MAP__NR_TYPES]; |
| |
| struct dso; |
| struct ip_callchain; |
| struct ref_reloc_sym; |
| struct map_groups; |
| struct machine; |
| struct perf_evsel; |
| |
| struct map { |
| union { |
| struct rb_node rb_node; |
| struct list_head node; |
| }; |
| u64 start; |
| u64 end; |
| u8 /* enum map_type */ type; |
| bool referenced; |
| bool erange_warned; |
| u32 priv; |
| u64 pgoff; |
| u64 reloc; |
| u32 maj, min; /* only valid for MMAP2 record */ |
| u64 ino; /* only valid for MMAP2 record */ |
| u64 ino_generation;/* only valid for MMAP2 record */ |
| |
| /* ip -> dso rip */ |
| u64 (*map_ip)(struct map *, u64); |
| /* dso rip -> ip */ |
| u64 (*unmap_ip)(struct map *, u64); |
| |
| struct dso *dso; |
| struct map_groups *groups; |
| }; |
| |
| struct kmap { |
| struct ref_reloc_sym *ref_reloc_sym; |
| struct map_groups *kmaps; |
| }; |
| |
| struct map_groups { |
| struct rb_root maps[MAP__NR_TYPES]; |
| struct list_head removed_maps[MAP__NR_TYPES]; |
| struct machine *machine; |
| int refcnt; |
| }; |
| |
| struct map_groups *map_groups__new(void); |
| void map_groups__delete(struct map_groups *mg); |
| |
| static inline struct map_groups *map_groups__get(struct map_groups *mg) |
| { |
| ++mg->refcnt; |
| return mg; |
| } |
| |
| void map_groups__put(struct map_groups *mg); |
| |
| static inline struct kmap *map__kmap(struct map *map) |
| { |
| return (struct kmap *)(map + 1); |
| } |
| |
| 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; |
| } |
| |
| |
| /* 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; |
| |
| /* 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->type) |
| |
| typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); |
| |
| void map__init(struct map *map, enum map_type type, |
| u64 start, u64 end, u64 pgoff, struct dso *dso); |
| struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, |
| u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, |
| u64 ino_gen, |
| char *filename, enum map_type type); |
| struct map *map__new2(u64 start, struct dso *dso, enum map_type type); |
| void map__delete(struct map *map); |
| struct map *map__clone(struct map *map); |
| int map__overlap(struct map *l, struct map *r); |
| size_t map__fprintf(struct map *map, FILE *fp); |
| size_t map__fprintf_dsoname(struct map *map, FILE *fp); |
| int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, |
| FILE *fp); |
| |
| int map__load(struct map *map, symbol_filter_t filter); |
| struct symbol *map__find_symbol(struct map *map, |
| u64 addr, symbol_filter_t filter); |
| struct symbol *map__find_symbol_by_name(struct map *map, const char *name, |
| symbol_filter_t filter); |
| void map__fixup_start(struct map *map); |
| void map__fixup_end(struct map *map); |
| |
| void map__reloc_vmlinux(struct map *map); |
| |
| size_t __map_groups__fprintf_maps(struct map_groups *mg, |
| enum map_type type, int verbose, FILE *fp); |
| void maps__insert(struct rb_root *maps, struct map *map); |
| void maps__remove(struct rb_root *maps, struct map *map); |
| struct map *maps__find(struct rb_root *maps, u64 addr); |
| struct map *maps__first(struct rb_root *maps); |
| struct map *maps__next(struct map *map); |
| void map_groups__init(struct map_groups *mg); |
| void map_groups__exit(struct map_groups *mg); |
| int map_groups__clone(struct map_groups *mg, |
| struct map_groups *parent, enum map_type type); |
| size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp); |
| size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); |
| |
| int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, |
| u64 addr); |
| |
| static inline void map_groups__insert(struct map_groups *mg, struct map *map) |
| { |
| maps__insert(&mg->maps[map->type], map); |
| map->groups = mg; |
| } |
| |
| static inline void map_groups__remove(struct map_groups *mg, struct map *map) |
| { |
| maps__remove(&mg->maps[map->type], map); |
| } |
| |
| static inline struct map *map_groups__find(struct map_groups *mg, |
| enum map_type type, u64 addr) |
| { |
| return maps__find(&mg->maps[type], addr); |
| } |
| |
| static inline struct map *map_groups__first(struct map_groups *mg, |
| enum map_type type) |
| { |
| return maps__first(&mg->maps[type]); |
| } |
| |
| static inline struct map *map_groups__next(struct map *map) |
| { |
| return maps__next(map); |
| } |
| |
| struct symbol *map_groups__find_symbol(struct map_groups *mg, |
| enum map_type type, u64 addr, |
| struct map **mapp, |
| symbol_filter_t filter); |
| |
| struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
| enum map_type type, |
| const char *name, |
| struct map **mapp, |
| symbol_filter_t filter); |
| |
| struct addr_map_symbol; |
| |
| int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter); |
| |
| static inline |
| struct symbol *map_groups__find_function_by_name(struct map_groups *mg, |
| const char *name, struct map **mapp, |
| symbol_filter_t filter) |
| { |
| return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); |
| } |
| |
| int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
| int verbose, FILE *fp); |
| |
| struct map *map_groups__find_by_name(struct map_groups *mg, |
| enum map_type type, const char *name); |
| |
| void map_groups__flush(struct map_groups *mg); |
| |
| #endif /* __PERF_MAP_H */ |