1 #ifndef __PERF_SYMBOL 2 #define __PERF_SYMBOL 1 3 4 #include <linux/types.h> 5 #include <stdbool.h> 6 #include <stdint.h> 7 #include "map.h" 8 #include <linux/list.h> 9 #include <linux/rbtree.h> 10 #include <stdio.h> 11 12 #ifdef HAVE_CPLUS_DEMANGLE 13 extern char *cplus_demangle(const char *, int); 14 15 static inline char *bfd_demangle(void __used *v, const char *c, int i) 16 { 17 return cplus_demangle(c, i); 18 } 19 #else 20 #ifdef NO_DEMANGLE 21 static inline char *bfd_demangle(void __used *v, const char __used *c, 22 int __used i) 23 { 24 return NULL; 25 } 26 #else 27 #include <bfd.h> 28 #endif 29 #endif 30 31 int hex2u64(const char *ptr, u64 *val); 32 char *strxfrchar(char *s, char from, char to); 33 34 /* 35 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; 36 * for newer versions we can use mmap to reduce memory usage: 37 */ 38 #ifdef LIBELF_NO_MMAP 39 # define PERF_ELF_C_READ_MMAP ELF_C_READ 40 #else 41 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP 42 #endif 43 44 #ifndef DMGL_PARAMS 45 #define DMGL_PARAMS (1 << 0) /* Include function args */ 46 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ 47 #endif 48 49 #define BUILD_ID_SIZE 20 50 51 struct symbol { 52 struct rb_node rb_node; 53 u64 start; 54 u64 end; 55 u16 namelen; 56 u8 binding; 57 char name[0]; 58 }; 59 60 void symbol__delete(struct symbol *self); 61 62 struct strlist; 63 64 struct symbol_conf { 65 unsigned short priv_size; 66 bool try_vmlinux_path, 67 use_modules, 68 sort_by_name, 69 show_nr_samples, 70 use_callchain, 71 exclude_other, 72 show_cpu_utilization, 73 initialized; 74 const char *vmlinux_name, 75 *kallsyms_name, 76 *source_prefix, 77 *field_sep; 78 const char *default_guest_vmlinux_name, 79 *default_guest_kallsyms, 80 *default_guest_modules; 81 const char *guestmount; 82 const char *dso_list_str, 83 *comm_list_str, 84 *sym_list_str, 85 *col_width_list_str; 86 struct strlist *dso_list, 87 *comm_list, 88 *sym_list; 89 const char *symfs; 90 }; 91 92 extern struct symbol_conf symbol_conf; 93 94 static inline void *symbol__priv(struct symbol *self) 95 { 96 return ((void *)self) - symbol_conf.priv_size; 97 } 98 99 struct ref_reloc_sym { 100 const char *name; 101 u64 addr; 102 u64 unrelocated_addr; 103 }; 104 105 struct map_symbol { 106 struct map *map; 107 struct symbol *sym; 108 bool unfolded; 109 bool has_children; 110 }; 111 112 struct addr_location { 113 struct thread *thread; 114 struct map *map; 115 struct symbol *sym; 116 u64 addr; 117 char level; 118 bool filtered; 119 u8 cpumode; 120 s32 cpu; 121 }; 122 123 enum dso_kernel_type { 124 DSO_TYPE_USER = 0, 125 DSO_TYPE_KERNEL, 126 DSO_TYPE_GUEST_KERNEL 127 }; 128 129 struct dso { 130 struct list_head node; 131 struct rb_root symbols[MAP__NR_TYPES]; 132 struct rb_root symbol_names[MAP__NR_TYPES]; 133 enum dso_kernel_type kernel; 134 u8 adjust_symbols:1; 135 u8 slen_calculated:1; 136 u8 has_build_id:1; 137 u8 hit:1; 138 u8 annotate_warned:1; 139 u8 sname_alloc:1; 140 u8 lname_alloc:1; 141 unsigned char origin; 142 u8 sorted_by_name; 143 u8 loaded; 144 u8 build_id[BUILD_ID_SIZE]; 145 const char *short_name; 146 char *long_name; 147 u16 long_name_len; 148 u16 short_name_len; 149 char name[0]; 150 }; 151 152 struct dso *dso__new(const char *name); 153 struct dso *dso__new_kernel(const char *name); 154 void dso__delete(struct dso *self); 155 156 int dso__name_len(const struct dso *self); 157 158 bool dso__loaded(const struct dso *self, enum map_type type); 159 bool dso__sorted_by_name(const struct dso *self, enum map_type type); 160 161 static inline void dso__set_loaded(struct dso *self, enum map_type type) 162 { 163 self->loaded |= (1 << type); 164 } 165 166 void dso__sort_by_name(struct dso *self, enum map_type type); 167 168 struct dso *__dsos__findnew(struct list_head *head, const char *name); 169 170 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter); 171 int dso__load_vmlinux(struct dso *self, struct map *map, 172 const char *vmlinux, symbol_filter_t filter); 173 int dso__load_vmlinux_path(struct dso *self, struct map *map, 174 symbol_filter_t filter); 175 int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map, 176 symbol_filter_t filter); 177 int machine__load_kallsyms(struct machine *self, const char *filename, 178 enum map_type type, symbol_filter_t filter); 179 int machine__load_vmlinux_path(struct machine *self, enum map_type type, 180 symbol_filter_t filter); 181 182 size_t __dsos__fprintf(struct list_head *head, FILE *fp); 183 184 size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits); 185 size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp); 186 size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits); 187 188 size_t dso__fprintf_buildid(struct dso *self, FILE *fp); 189 size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE *fp); 190 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp); 191 192 enum dso_origin { 193 DSO__ORIG_KERNEL = 0, 194 DSO__ORIG_GUEST_KERNEL, 195 DSO__ORIG_JAVA_JIT, 196 DSO__ORIG_BUILD_ID_CACHE, 197 DSO__ORIG_FEDORA, 198 DSO__ORIG_UBUNTU, 199 DSO__ORIG_BUILDID, 200 DSO__ORIG_DSO, 201 DSO__ORIG_GUEST_KMODULE, 202 DSO__ORIG_KMODULE, 203 DSO__ORIG_NOT_FOUND, 204 }; 205 206 char dso__symtab_origin(const struct dso *self); 207 void dso__set_long_name(struct dso *self, char *name); 208 void dso__set_build_id(struct dso *self, void *build_id); 209 void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine); 210 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr); 211 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type, 212 const char *name); 213 214 int filename__read_build_id(const char *filename, void *bf, size_t size); 215 int sysfs__read_build_id(const char *filename, void *bf, size_t size); 216 bool __dsos__read_build_ids(struct list_head *head, bool with_hits); 217 int build_id__sprintf(const u8 *self, int len, char *bf); 218 int kallsyms__parse(const char *filename, void *arg, 219 int (*process_symbol)(void *arg, const char *name, 220 char type, u64 start, u64 end)); 221 222 void machine__destroy_kernel_maps(struct machine *self); 223 int __machine__create_kernel_maps(struct machine *self, struct dso *kernel); 224 int machine__create_kernel_maps(struct machine *self); 225 226 int machines__create_kernel_maps(struct rb_root *self, pid_t pid); 227 int machines__create_guest_kernel_maps(struct rb_root *self); 228 void machines__destroy_guest_kernel_maps(struct rb_root *self); 229 230 int symbol__init(void); 231 void symbol__exit(void); 232 bool symbol_type__is_a(char symbol_type, enum map_type map_type); 233 234 size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp); 235 236 #endif /* __PERF_SYMBOL */ 237