1 #ifndef __PERF_SYMBOL 2 #define __PERF_SYMBOL 1 3 4 /* ANDROID_CHANGE_BEGIN */ 5 #ifndef __APPLE__ 6 /* Suppress kernel-name space pollution in <linux/types.h> below */ 7 #include <features.h> 8 #include <linux/types.h> 9 #endif 10 /* ANDROID_CHANGE_END */ 11 #include <stdbool.h> 12 #include <stdint.h> 13 #include "map.h" 14 /* ANDROID_CHANGE_BEGIN */ 15 #if 0 16 #include <linux/list.h> 17 #include <linux/rbtree.h> 18 #else 19 #include "include/linux/list.h" 20 #include "include/linux/rbtree.h" 21 #endif 22 /* ANDROID_CHANGE_END */ 23 #include <stdio.h> 24 25 #ifdef HAVE_CPLUS_DEMANGLE 26 extern char *cplus_demangle(const char *, int); 27 28 static inline char *bfd_demangle(void __used *v, const char *c, int i) 29 { 30 return cplus_demangle(c, i); 31 } 32 #else 33 #ifdef NO_DEMANGLE 34 static inline char *bfd_demangle(void __used *v, const char __used *c, 35 int __used i) 36 { 37 return NULL; 38 } 39 /* ANDROID_CHANGE_BEGIN */ 40 #else 41 #ifdef HAVE_ANDROID_DEMANGLE 42 /* in external/gcc-demangle */ 43 extern char *__cxa_demangle (const char *, char *, size_t *, int *); 44 45 static inline char *bfd_demangle(void __used *v, const char __used *c, 46 int __used i) 47 { 48 return __cxa_demangle(c, NULL, NULL, NULL); 49 } 50 /* ANDROID_CHANGE_END */ 51 #else 52 #include <bfd.h> 53 #endif 54 #endif 55 #endif 56 57 int hex2u64(const char *ptr, u64 *val); 58 char *strxfrchar(char *s, char from, char to); 59 60 /* 61 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; 62 * for newer versions we can use mmap to reduce memory usage: 63 */ 64 #ifdef LIBELF_NO_MMAP 65 # define PERF_ELF_C_READ_MMAP ELF_C_READ 66 #else 67 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP 68 #endif 69 70 #ifndef DMGL_PARAMS 71 #define DMGL_PARAMS (1 << 0) /* Include function args */ 72 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ 73 #endif 74 75 #define BUILD_ID_SIZE 20 76 77 /** struct symbol - symtab entry 78 * 79 * @ignore - resolvable but tools ignore it (e.g. idle routines) 80 */ 81 struct symbol { 82 struct rb_node rb_node; 83 u64 start; 84 u64 end; 85 u16 namelen; 86 u8 binding; 87 bool ignore; 88 char name[0]; 89 }; 90 91 void symbol__delete(struct symbol *sym); 92 93 struct strlist; 94 95 struct symbol_conf { 96 unsigned short priv_size; 97 bool try_vmlinux_path, 98 use_modules, 99 sort_by_name, 100 show_nr_samples, 101 use_callchain, 102 exclude_other, 103 show_cpu_utilization, 104 initialized, 105 kptr_restrict; 106 const char *vmlinux_name, 107 *kallsyms_name, 108 *source_prefix, 109 *field_sep; 110 const char *default_guest_vmlinux_name, 111 *default_guest_kallsyms, 112 *default_guest_modules; 113 const char *guestmount; 114 const char *dso_list_str, 115 *comm_list_str, 116 *sym_list_str, 117 *col_width_list_str; 118 struct strlist *dso_list, 119 *comm_list, 120 *sym_list; 121 const char *symfs; 122 }; 123 124 extern struct symbol_conf symbol_conf; 125 126 static inline void *symbol__priv(struct symbol *sym) 127 { 128 return ((void *)sym) - symbol_conf.priv_size; 129 } 130 131 struct ref_reloc_sym { 132 const char *name; 133 u64 addr; 134 u64 unrelocated_addr; 135 }; 136 137 struct map_symbol { 138 struct map *map; 139 struct symbol *sym; 140 bool unfolded; 141 bool has_children; 142 }; 143 144 struct addr_location { 145 struct thread *thread; 146 struct map *map; 147 struct symbol *sym; 148 u64 addr; 149 char level; 150 bool filtered; 151 u8 cpumode; 152 s32 cpu; 153 }; 154 155 enum dso_kernel_type { 156 DSO_TYPE_USER = 0, 157 DSO_TYPE_KERNEL, 158 DSO_TYPE_GUEST_KERNEL 159 }; 160 161 struct dso { 162 struct list_head node; 163 struct rb_root symbols[MAP__NR_TYPES]; 164 struct rb_root symbol_names[MAP__NR_TYPES]; 165 enum dso_kernel_type kernel; 166 u8 adjust_symbols:1; 167 u8 has_build_id:1; 168 u8 hit:1; 169 u8 annotate_warned:1; 170 u8 sname_alloc:1; 171 u8 lname_alloc:1; 172 unsigned char symtab_type; 173 u8 sorted_by_name; 174 u8 loaded; 175 u8 build_id[BUILD_ID_SIZE]; 176 const char *short_name; 177 char *long_name; 178 u16 long_name_len; 179 u16 short_name_len; 180 char name[0]; 181 }; 182 183 struct dso *dso__new(const char *name); 184 struct dso *dso__new_kernel(const char *name); 185 void dso__delete(struct dso *dso); 186 187 int dso__name_len(const struct dso *dso); 188 189 bool dso__loaded(const struct dso *dso, enum map_type type); 190 bool dso__sorted_by_name(const struct dso *dso, enum map_type type); 191 192 static inline void dso__set_loaded(struct dso *dso, enum map_type type) 193 { 194 dso->loaded |= (1 << type); 195 } 196 197 void dso__sort_by_name(struct dso *dso, enum map_type type); 198 199 struct dso *__dsos__findnew(struct list_head *head, const char *name); 200 201 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); 202 int dso__load_vmlinux(struct dso *dso, struct map *map, 203 const char *vmlinux, symbol_filter_t filter); 204 int dso__load_vmlinux_path(struct dso *dso, struct map *map, 205 symbol_filter_t filter); 206 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, 207 symbol_filter_t filter); 208 int machine__load_kallsyms(struct machine *machine, const char *filename, 209 enum map_type type, symbol_filter_t filter); 210 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 211 symbol_filter_t filter); 212 213 size_t __dsos__fprintf(struct list_head *head, FILE *fp); 214 215 size_t machine__fprintf_dsos_buildid(struct machine *machine, 216 FILE *fp, bool with_hits); 217 size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); 218 size_t machines__fprintf_dsos_buildid(struct rb_root *machines, 219 FILE *fp, bool with_hits); 220 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); 221 size_t dso__fprintf_symbols_by_name(struct dso *dso, 222 enum map_type type, FILE *fp); 223 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); 224 225 enum symtab_type { 226 SYMTAB__KALLSYMS = 0, 227 SYMTAB__GUEST_KALLSYMS, 228 SYMTAB__JAVA_JIT, 229 SYMTAB__BUILD_ID_CACHE, 230 SYMTAB__FEDORA_DEBUGINFO, 231 SYMTAB__UBUNTU_DEBUGINFO, 232 SYMTAB__BUILDID_DEBUGINFO, 233 SYMTAB__SYSTEM_PATH_DSO, 234 SYMTAB__GUEST_KMODULE, 235 SYMTAB__SYSTEM_PATH_KMODULE, 236 SYMTAB__NOT_FOUND, 237 }; 238 239 char dso__symtab_origin(const struct dso *dso); 240 void dso__set_long_name(struct dso *dso, char *name); 241 void dso__set_build_id(struct dso *dso, void *build_id); 242 void dso__read_running_kernel_build_id(struct dso *dso, 243 struct machine *machine); 244 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, 245 u64 addr); 246 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, 247 const char *name); 248 249 int filename__read_build_id(const char *filename, void *bf, size_t size); 250 int sysfs__read_build_id(const char *filename, void *bf, size_t size); 251 bool __dsos__read_build_ids(struct list_head *head, bool with_hits); 252 int build_id__sprintf(const u8 *build_id, int len, char *bf); 253 int kallsyms__parse(const char *filename, void *arg, 254 int (*process_symbol)(void *arg, const char *name, 255 char type, u64 start, u64 end)); 256 257 void machine__destroy_kernel_maps(struct machine *machine); 258 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 259 int machine__create_kernel_maps(struct machine *machine); 260 261 int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); 262 int machines__create_guest_kernel_maps(struct rb_root *machines); 263 void machines__destroy_guest_kernel_maps(struct rb_root *machines); 264 265 int symbol__init(void); 266 void symbol__exit(void); 267 bool symbol_type__is_a(char symbol_type, enum map_type map_type); 268 269 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 270 271 #endif /* __PERF_SYMBOL */ 272
