1 #ifndef __PERF_MAP_H 2 #define __PERF_MAP_H 3 4 #include <linux/compiler.h> 5 #include <linux/list.h> 6 #include <linux/rbtree.h> 7 #include <stdio.h> 8 #include <stdbool.h> 9 #include "types.h" 10 11 enum map_type { 12 MAP__FUNCTION = 0, 13 MAP__VARIABLE, 14 }; 15 16 #define MAP__NR_TYPES (MAP__VARIABLE + 1) 17 18 extern const char *map_type__name[MAP__NR_TYPES]; 19 20 struct dso; 21 struct ip_callchain; 22 struct ref_reloc_sym; 23 struct map_groups; 24 struct machine; 25 struct perf_evsel; 26 27 struct map { 28 union { 29 struct rb_node rb_node; 30 struct list_head node; 31 }; 32 u64 start; 33 u64 end; 34 u8 /* enum map_type */ type; 35 bool referenced; 36 bool erange_warned; 37 u32 priv; 38 u64 pgoff; 39 u32 maj, min; /* only valid for MMAP2 record */ 40 u64 ino; /* only valid for MMAP2 record */ 41 u64 ino_generation;/* only valid for MMAP2 record */ 42 43 /* ip -> dso rip */ 44 u64 (*map_ip)(struct map *, u64); 45 /* dso rip -> ip */ 46 u64 (*unmap_ip)(struct map *, u64); 47 48 struct dso *dso; 49 struct map_groups *groups; 50 }; 51 52 struct kmap { 53 struct ref_reloc_sym *ref_reloc_sym; 54 struct map_groups *kmaps; 55 }; 56 57 struct map_groups { 58 struct rb_root maps[MAP__NR_TYPES]; 59 struct list_head removed_maps[MAP__NR_TYPES]; 60 struct machine *machine; 61 }; 62 63 static inline struct kmap *map__kmap(struct map *map) 64 { 65 return (struct kmap *)(map + 1); 66 } 67 68 static inline u64 map__map_ip(struct map *map, u64 ip) 69 { 70 return ip - map->start + map->pgoff; 71 } 72 73 static inline u64 map__unmap_ip(struct map *map, u64 ip) 74 { 75 return ip + map->start - map->pgoff; 76 } 77 78 static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip) 79 { 80 return ip; 81 } 82 83 84 /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */ 85 u64 map__rip_2objdump(struct map *map, u64 rip); 86 87 struct symbol; 88 89 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); 90 91 void map__init(struct map *map, enum map_type type, 92 u64 start, u64 end, u64 pgoff, struct dso *dso); 93 struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, 94 u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, 95 u64 ino_gen, 96 char *filename, enum map_type type); 97 struct map *map__new2(u64 start, struct dso *dso, enum map_type type); 98 void map__delete(struct map *map); 99 struct map *map__clone(struct map *map); 100 int map__overlap(struct map *l, struct map *r); 101 size_t map__fprintf(struct map *map, FILE *fp); 102 size_t map__fprintf_dsoname(struct map *map, FILE *fp); 103 104 int map__load(struct map *map, symbol_filter_t filter); 105 struct symbol *map__find_symbol(struct map *map, 106 u64 addr, symbol_filter_t filter); 107 struct symbol *map__find_symbol_by_name(struct map *map, const char *name, 108 symbol_filter_t filter); 109 void map__fixup_start(struct map *map); 110 void map__fixup_end(struct map *map); 111 112 void map__reloc_vmlinux(struct map *map); 113 114 size_t __map_groups__fprintf_maps(struct map_groups *mg, 115 enum map_type type, int verbose, FILE *fp); 116 void maps__insert(struct rb_root *maps, struct map *map); 117 void maps__remove(struct rb_root *maps, struct map *map); 118 struct map *maps__find(struct rb_root *maps, u64 addr); 119 struct map *maps__first(struct rb_root *maps); 120 struct map *maps__next(struct map *map); 121 void map_groups__init(struct map_groups *mg); 122 void map_groups__exit(struct map_groups *mg); 123 int map_groups__clone(struct map_groups *mg, 124 struct map_groups *parent, enum map_type type); 125 size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp); 126 size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); 127 128 int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, 129 u64 addr); 130 131 static inline void map_groups__insert(struct map_groups *mg, struct map *map) 132 { 133 maps__insert(&mg->maps[map->type], map); 134 map->groups = mg; 135 } 136 137 static inline void map_groups__remove(struct map_groups *mg, struct map *map) 138 { 139 maps__remove(&mg->maps[map->type], map); 140 } 141 142 static inline struct map *map_groups__find(struct map_groups *mg, 143 enum map_type type, u64 addr) 144 { 145 return maps__find(&mg->maps[type], addr); 146 } 147 148 static inline struct map *map_groups__first(struct map_groups *mg, 149 enum map_type type) 150 { 151 return maps__first(&mg->maps[type]); 152 } 153 154 static inline struct map *map_groups__next(struct map *map) 155 { 156 return maps__next(map); 157 } 158 159 struct symbol *map_groups__find_symbol(struct map_groups *mg, 160 enum map_type type, u64 addr, 161 struct map **mapp, 162 symbol_filter_t filter); 163 164 struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, 165 enum map_type type, 166 const char *name, 167 struct map **mapp, 168 symbol_filter_t filter); 169 170 static inline 171 struct symbol *map_groups__find_function_by_name(struct map_groups *mg, 172 const char *name, struct map **mapp, 173 symbol_filter_t filter) 174 { 175 return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); 176 } 177 178 int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, 179 int verbose, FILE *fp); 180 181 struct map *map_groups__find_by_name(struct map_groups *mg, 182 enum map_type type, const char *name); 183 184 void map_groups__flush(struct map_groups *mg); 185 186 #endif /* __PERF_MAP_H */ 187