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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /* 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 ip_callchain; struct ref_reloc_sym; struct map_groups; struct machine; struct evsel; struct map { union { struct rb_node rb_node; struct list_head node; }; struct rb_node rb_node_name; u64 start; u64 end; bool erange_warned; u32 priv; u32 prot; u32 flags; 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; refcount_t refcnt; }; struct kmap; struct kmap *__map__kmap(struct map *map); struct kmap *map__kmap(struct map *map); struct map_groups *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 map *map__new(struct machine *machine, u64 start, u64 len, u64 pgoff, u32 d_maj, u32 d_min, u64 ino, u64 ino_gen, 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); struct srccode_state; int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state); 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); void map__reloc_vmlinux(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); 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); } 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); } #endif /* __PERF_MAP_H */ |