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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | #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; /* 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; }; static inline struct kmap *map__kmap(struct map *self) { return (struct kmap *)(self + 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); struct symbol; typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); void map__init(struct map *self, 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, char *filename, enum map_type type); struct map *map__new2(u64 start, struct dso *dso, enum map_type type); void map__delete(struct map *self); struct map *map__clone(struct map *self); int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *self, FILE *fp); size_t map__fprintf_dsoname(struct map *map, FILE *fp); int map__load(struct map *self, symbol_filter_t filter); struct symbol *map__find_symbol(struct map *self, u64 addr, symbol_filter_t filter); struct symbol *map__find_symbol_by_name(struct map *self, const char *name, symbol_filter_t filter); void map__fixup_start(struct map *self); void map__fixup_end(struct map *self); void map__reloc_vmlinux(struct map *self); 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); 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); } 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); 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 */ |