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