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