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