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 #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 enum dso_kernel_type kernel; 81 enum dso_swap_type needs_swap; 82 enum dso_binary_type symtab_type; 83 enum dso_binary_type data_type; 84 u8 adjust_symbols:1; 85 u8 has_build_id:1; 86 u8 has_srcline:1; 87 u8 hit:1; 88 u8 annotate_warned:1; 89 u8 sname_alloc:1; 90 u8 lname_alloc:1; 91 u8 sorted_by_name; 92 u8 loaded; 93 u8 rel; 94 u8 build_id[BUILD_ID_SIZE]; 95 const char *short_name; 96 char *long_name; 97 u16 long_name_len; 98 u16 short_name_len; 99 char name[0]; 100 }; 101 102 static inline void dso__set_loaded(struct dso *dso, enum map_type type) 103 { 104 dso->loaded |= (1 << type); 105 } 106 107 struct dso *dso__new(const char *name); 108 void dso__delete(struct dso *dso); 109 110 void dso__set_short_name(struct dso *dso, const char *name); 111 void dso__set_long_name(struct dso *dso, char *name); 112 113 int dso__name_len(const struct dso *dso); 114 115 bool dso__loaded(const struct dso *dso, enum map_type type); 116 117 bool dso__sorted_by_name(const struct dso *dso, enum map_type type); 118 void dso__set_sorted_by_name(struct dso *dso, enum map_type type); 119 void dso__sort_by_name(struct dso *dso, enum map_type type); 120 121 void dso__set_build_id(struct dso *dso, void *build_id); 122 bool dso__build_id_equal(const struct dso *dso, u8 *build_id); 123 void dso__read_running_kernel_build_id(struct dso *dso, 124 struct machine *machine); 125 int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); 126 127 char dso__symtab_origin(const struct dso *dso); 128 int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, 129 char *root_dir, char *file, size_t size); 130 131 int dso__data_fd(struct dso *dso, struct machine *machine); 132 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, 133 u64 offset, u8 *data, ssize_t size); 134 ssize_t dso__data_read_addr(struct dso *dso, struct map *map, 135 struct machine *machine, u64 addr, 136 u8 *data, ssize_t size); 137 138 struct map *dso__new_map(const char *name); 139 struct dso *dso__kernel_findnew(struct machine *machine, const char *name, 140 const char *short_name, int dso_type); 141 142 void dsos__add(struct list_head *head, struct dso *dso); 143 struct dso *dsos__find(struct list_head *head, const char *name, 144 bool cmp_short); 145 struct dso *__dsos__findnew(struct list_head *head, const char *name); 146 bool __dsos__read_build_ids(struct list_head *head, bool with_hits); 147 148 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, 149 bool (skip)(struct dso *dso, int parm), int parm); 150 size_t __dsos__fprintf(struct list_head *head, FILE *fp); 151 152 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); 153 size_t dso__fprintf_symbols_by_name(struct dso *dso, 154 enum map_type type, FILE *fp); 155 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); 156 157 static inline bool dso__is_vmlinux(struct dso *dso) 158 { 159 return dso->data_type == DSO_BINARY_TYPE__VMLINUX || 160 dso->data_type == DSO_BINARY_TYPE__GUEST_VMLINUX; 161 } 162 163 static inline bool dso__is_kcore(struct dso *dso) 164 { 165 return dso->data_type == DSO_BINARY_TYPE__KCORE || 166 dso->data_type == DSO_BINARY_TYPE__GUEST_KCORE; 167 } 168 169 #endif /* __PERF_DSO */ 170