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 - symtab entry 52 * 53 * @ignore - resolvable but tools ignore it (e.g. idle routines) 54 */ 55 struct symbol { 56 struct rb_node rb_node; 57 u64 start; 58 u64 end; 59 u16 namelen; 60 u8 binding; 61 bool ignore; 62 char name[0]; 63 }; 64 65 void symbol__delete(struct symbol *sym); 66 67 struct strlist; 68 69 struct symbol_conf { 70 unsigned short priv_size; 71 bool try_vmlinux_path, 72 use_modules, 73 sort_by_name, 74 show_nr_samples, 75 show_total_period, 76 use_callchain, 77 exclude_other, 78 show_cpu_utilization, 79 initialized, 80 kptr_restrict, 81 annotate_asm_raw, 82 annotate_src; 83 const char *vmlinux_name, 84 *kallsyms_name, 85 *source_prefix, 86 *field_sep; 87 const char *default_guest_vmlinux_name, 88 *default_guest_kallsyms, 89 *default_guest_modules; 90 const char *guestmount; 91 const char *dso_list_str, 92 *comm_list_str, 93 *sym_list_str, 94 *col_width_list_str; 95 struct strlist *dso_list, 96 *comm_list, 97 *sym_list; 98 const char *symfs; 99 }; 100 101 extern struct symbol_conf symbol_conf; 102 103 static inline void *symbol__priv(struct symbol *sym) 104 { 105 return ((void *)sym) - symbol_conf.priv_size; 106 } 107 108 struct ref_reloc_sym { 109 const char *name; 110 u64 addr; 111 u64 unrelocated_addr; 112 }; 113 114 struct map_symbol { 115 struct map *map; 116 struct symbol *sym; 117 bool unfolded; 118 bool has_children; 119 }; 120 121 struct addr_location { 122 struct thread *thread; 123 struct map *map; 124 struct symbol *sym; 125 u64 addr; 126 char level; 127 bool filtered; 128 u8 cpumode; 129 s32 cpu; 130 }; 131 132 enum dso_kernel_type { 133 DSO_TYPE_USER = 0, 134 DSO_TYPE_KERNEL, 135 DSO_TYPE_GUEST_KERNEL 136 }; 137 138 struct dso { 139 struct list_head node; 140 struct rb_root symbols[MAP__NR_TYPES]; 141 struct rb_root symbol_names[MAP__NR_TYPES]; 142 enum dso_kernel_type kernel; 143 u8 adjust_symbols:1; 144 u8 has_build_id:1; 145 u8 hit:1; 146 u8 annotate_warned:1; 147 u8 sname_alloc:1; 148 u8 lname_alloc:1; 149 unsigned char symtab_type; 150 u8 sorted_by_name; 151 u8 loaded; 152 u8 build_id[BUILD_ID_SIZE]; 153 const char *short_name; 154 char *long_name; 155 u16 long_name_len; 156 u16 short_name_len; 157 char name[0]; 158 }; 159 160 struct dso *dso__new(const char *name); 161 void dso__delete(struct dso *dso); 162 163 int dso__name_len(const struct dso *dso); 164 165 bool dso__loaded(const struct dso *dso, enum map_type type); 166 bool dso__sorted_by_name(const struct dso *dso, enum map_type type); 167 168 static inline void dso__set_loaded(struct dso *dso, enum map_type type) 169 { 170 dso->loaded |= (1 << type); 171 } 172 173 void dso__sort_by_name(struct dso *dso, enum map_type type); 174 175 struct dso *__dsos__findnew(struct list_head *head, const char *name); 176 177 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); 178 int dso__load_vmlinux(struct dso *dso, struct map *map, 179 const char *vmlinux, symbol_filter_t filter); 180 int dso__load_vmlinux_path(struct dso *dso, struct map *map, 181 symbol_filter_t filter); 182 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, 183 symbol_filter_t filter); 184 int machine__load_kallsyms(struct machine *machine, const char *filename, 185 enum map_type type, symbol_filter_t filter); 186 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 187 symbol_filter_t filter); 188 189 size_t __dsos__fprintf(struct list_head *head, FILE *fp); 190 191 size_t machine__fprintf_dsos_buildid(struct machine *machine, 192 FILE *fp, bool with_hits); 193 size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); 194 size_t machines__fprintf_dsos_buildid(struct rb_root *machines, 195 FILE *fp, bool with_hits); 196 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); 197 size_t dso__fprintf_symbols_by_name(struct dso *dso, 198 enum map_type type, FILE *fp); 199 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); 200 201 enum symtab_type { 202 SYMTAB__KALLSYMS = 0, 203 SYMTAB__GUEST_KALLSYMS, 204 SYMTAB__JAVA_JIT, 205 SYMTAB__BUILD_ID_CACHE, 206 SYMTAB__FEDORA_DEBUGINFO, 207 SYMTAB__UBUNTU_DEBUGINFO, 208 SYMTAB__BUILDID_DEBUGINFO, 209 SYMTAB__SYSTEM_PATH_DSO, 210 SYMTAB__GUEST_KMODULE, 211 SYMTAB__SYSTEM_PATH_KMODULE, 212 SYMTAB__NOT_FOUND, 213 }; 214 215 char dso__symtab_origin(const struct dso *dso); 216 void dso__set_long_name(struct dso *dso, char *name); 217 void dso__set_build_id(struct dso *dso, void *build_id); 218 void dso__read_running_kernel_build_id(struct dso *dso, 219 struct machine *machine); 220 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, 221 u64 addr); 222 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, 223 const char *name); 224 225 int filename__read_build_id(const char *filename, void *bf, size_t size); 226 int sysfs__read_build_id(const char *filename, void *bf, size_t size); 227 bool __dsos__read_build_ids(struct list_head *head, bool with_hits); 228 int build_id__sprintf(const u8 *build_id, int len, char *bf); 229 int kallsyms__parse(const char *filename, void *arg, 230 int (*process_symbol)(void *arg, const char *name, 231 char type, u64 start, u64 end)); 232 233 void machine__destroy_kernel_maps(struct machine *machine); 234 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 235 int machine__create_kernel_maps(struct machine *machine); 236 237 int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); 238 int machines__create_guest_kernel_maps(struct rb_root *machines); 239 void machines__destroy_guest_kernel_maps(struct rb_root *machines); 240 241 int symbol__init(void); 242 void symbol__exit(void); 243 bool symbol_type__is_a(char symbol_type, enum map_type map_type); 244 245 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 246 247 #endif /* __PERF_SYMBOL */ 248