1 #ifndef __PERF_DSO 2 #define __PERF_DSO 3 4 #include <linux/types.h> 5 #include <linux/rbtree.h> 6 #include <stdbool.h> 7 #include <linux/types.h> 8 #include "map.h" 9 #include "build-id.h" 10 11 enum dso_binary_type { 12 DSO_BINARY_TYPE__KALLSYMS = 0, 13 DSO_BINARY_TYPE__GUEST_KALLSYMS, 14 DSO_BINARY_TYPE__VMLINUX, 15 DSO_BINARY_TYPE__GUEST_VMLINUX, 16 DSO_BINARY_TYPE__JAVA_JIT, 17 DSO_BINARY_TYPE__DEBUGLINK, 18 DSO_BINARY_TYPE__BUILD_ID_CACHE, 19 DSO_BINARY_TYPE__FEDORA_DEBUGINFO, 20 DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, 21 DSO_BINARY_TYPE__BUILDID_DEBUGINFO, 22 DSO_BINARY_TYPE__SYSTEM_PATH_DSO, 23 DSO_BINARY_TYPE__GUEST_KMODULE, 24 DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, 25 DSO_BINARY_TYPE__KCORE, 26 DSO_BINARY_TYPE__GUEST_KCORE, 27 DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, 28 DSO_BINARY_TYPE__NOT_FOUND, 29 }; 30 31 enum dso_kernel_type { 32 DSO_TYPE_USER = 0, 33 DSO_TYPE_KERNEL, 34 DSO_TYPE_GUEST_KERNEL 35 }; 36 37 enum dso_swap_type { 38 DSO_SWAP__UNSET, 39 DSO_SWAP__NO, 40 DSO_SWAP__YES, 41 }; 42 43 #define DSO__SWAP(dso, type, val) \ 44 ({ \ 45 type ____r = val; \ 46 BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ 47 if (dso->needs_swap == DSO_SWAP__YES) { \ 48 switch (sizeof(____r)) { \ 49 case 2: \ 50 ____r = bswap_16(val); \ 51 break; \ 52 case 4: \ 53 ____r = bswap_32(val); \ 54 break; \ 55 case 8: \ 56 ____r = bswap_64(val); \ 57 break; \ 58 default: \ 59 BUG_ON(1); \ 60 } \ 61 } \ 62 ____r; \ 63 }) 64 65 #define DSO__DATA_CACHE_SIZE 4096 66 #define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1) 67 68 struct dso_cache { 69 struct rb_node rb_node; 70 u64 offset; 71 u64 size; 72 char data[0]; 73 }; 74 75 struct dso { 76 struct list_head node; 77 struct rb_root symbols[MAP__NR_TYPES]; 78 struct rb_root symbol_names[MAP__NR_TYPES]; 79 struct rb_root cache; 80 void *a2l; 81 char *symsrc_filename; 82 unsigned int a2l_fails; 83 enum dso_kernel_type kernel; 84 enum dso_swap_type needs_swap; 85 enum dso_binary_type symtab_type; 86 enum dso_binary_type binary_type; 87 u8 adjust_symbols:1; 88 u8 has_build_id:1; 89 u8 has_srcline:1; 90 u8 hit:1; 91 u8 annotate_warned:1; 92 u8 short_name_allocated:1; 93 u8 long_name_allocated:1; 94 u8 sorted_by_name; 95 u8 loaded; 96 u8 rel; 97 u8 build_id[BUILD_ID_SIZE]; 98 const char *short_name; 99 const char *long_name; 100 u16 long_name_len; 101 u16 short_name_len; 102 char name[0]; 103 }; 104 105 /* dso__for_each_symbol - iterate over the symbols of given type 106 * 107 * @dso: the 'struct dso *' in which symbols itereated 108 * @pos: the 'struct symbol *' to use as a loop cursor 109 * @n: the 'struct rb_node *' to use as a temporary storage 110 * @type: the 'enum map_type' type of symbols 111 */ 112 #define dso__for_each_symbol(dso, pos, n, type) \ 113 symbols__for_each_entry(&(dso)->symbols[(type)], pos, n) 114 115 static inline void dso__set_loaded(struct dso *dso, enum map_type type) 116 { 117 dso->loaded |= (1 << type); 118 } 119 120 struct dso *dso__new(const char *name); 121 void dso__delete(struct dso *dso); 122 123 void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated); 124 void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated); 125 126 int dso__name_len(const struct dso *dso); 127 128 bool dso__loaded(const struct dso *dso, enum map_type type); 129 130 bool dso__sorted_by_name(const struct dso *dso, enum map_type type); 131 void dso__set_sorted_by_name(struct dso *dso, enum map_type type); 132 void dso__sort_by_name(struct dso *dso, enum map_type type); 133 134 void dso__set_build_id(struct dso *dso, void *build_id); 135 bool dso__build_id_equal(const struct dso *dso, u8 *build_id); 136 void dso__read_running_kernel_build_id(struct dso *dso, 137 struct machine *machine); 138 int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); 139 140 char dso__symtab_origin(const struct dso *dso); 141 int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type, 142 char *root_dir, char *filename, size_t size); 143 144 int dso__data_fd(struct dso *dso, struct machine *machine); 145 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, 146 u64 offset, u8 *data, ssize_t size); 147 ssize_t dso__data_read_addr(struct dso *dso, struct map *map, 148 struct machine *machine, u64 addr, 149 u8 *data, ssize_t size); 150 151 struct map *dso__new_map(const char *name); 152 struct dso *dso__kernel_findnew(struct machine *machine, const char *name, 153 const char *short_name, int dso_type); 154 155 void dsos__add(struct list_head *head, struct dso *dso); 156 struct dso *dsos__find(const struct list_head *head, const char *name, 157 bool cmp_short); 158 struct dso *__dsos__findnew(struct list_head *head, const char *name); 159 bool __dsos__read_build_ids(struct list_head *head, bool with_hits); 160 161 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, 162 bool (skip)(struct dso *dso, int parm), int parm); 163 size_t __dsos__fprintf(struct list_head *head, FILE *fp); 164 165 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); 166 size_t dso__fprintf_symbols_by_name(struct dso *dso, 167 enum map_type type, FILE *fp); 168 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); 169 170 static inline bool dso__is_vmlinux(struct dso *dso) 171 { 172 return dso->binary_type == DSO_BINARY_TYPE__VMLINUX || 173 dso->binary_type == DSO_BINARY_TYPE__GUEST_VMLINUX; 174 } 175 176 static inline bool dso__is_kcore(struct dso *dso) 177 { 178 return dso->binary_type == DSO_BINARY_TYPE__KCORE || 179 dso->binary_type == DSO_BINARY_TYPE__GUEST_KCORE; 180 } 181 182 void dso__free_a2l(struct dso *dso); 183 184 #endif /* __PERF_DSO */ 185