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