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 #define DEBUG_CACHE_DIR ".debug" 13 14 #ifdef HAVE_CPLUS_DEMANGLE 15 extern char *cplus_demangle(const char *, int); 16 17 static inline char *bfd_demangle(void __used *v, const char *c, int i) 18 { 19 return cplus_demangle(c, i); 20 } 21 #else 22 #ifdef NO_DEMANGLE 23 static inline char *bfd_demangle(void __used *v, const char __used *c, 24 int __used i) 25 { 26 return NULL; 27 } 28 #else 29 #include <bfd.h> 30 #endif 31 #endif 32 33 int hex2u64(const char *ptr, u64 *val); 34 char *strxfrchar(char *s, char from, char to); 35 36 /* 37 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; 38 * for newer versions we can use mmap to reduce memory usage: 39 */ 40 #ifdef LIBELF_NO_MMAP 41 # define PERF_ELF_C_READ_MMAP ELF_C_READ 42 #else 43 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP 44 #endif 45 46 #ifndef DMGL_PARAMS 47 #define DMGL_PARAMS (1 << 0) /* Include function args */ 48 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ 49 #endif 50 51 #define BUILD_ID_SIZE 20 52 53 struct symbol { 54 struct rb_node rb_node; 55 u64 start; 56 u64 end; 57 u16 namelen; 58 char name[0]; 59 }; 60 61 void symbol__delete(struct symbol *self); 62 63 struct strlist; 64 65 struct symbol_conf { 66 unsigned short priv_size; 67 bool try_vmlinux_path, 68 use_modules, 69 sort_by_name, 70 show_nr_samples, 71 use_callchain, 72 exclude_other, 73 full_paths, 74 show_cpu_utilization; 75 const char *vmlinux_name, 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 }; 107 108 struct addr_location { 109 struct thread *thread; 110 struct map *map; 111 struct symbol *sym; 112 u64 addr; 113 char level; 114 bool filtered; 115 unsigned int cpumode; 116 }; 117 118 enum dso_kernel_type { 119 DSO_TYPE_USER = 0, 120 DSO_TYPE_KERNEL, 121 DSO_TYPE_GUEST_KERNEL 122 }; 123 124 struct dso { 125 struct list_head node; 126 struct rb_root symbols[MAP__NR_TYPES]; 127 struct rb_root symbol_names[MAP__NR_TYPES]; 128 u8 adjust_symbols:1; 129 u8 slen_calculated:1; 130 u8 has_build_id:1; 131 enum dso_kernel_type kernel; 132 u8 hit:1; 133 u8 annotate_warned:1; 134 unsigned char origin; 135 u8 sorted_by_name; 136 u8 loaded; 137 u8 build_id[BUILD_ID_SIZE]; 138 const char *short_name; 139 char *long_name; 140 u16 long_name_len; 141 u16 short_name_len; 142 char name[0]; 143 }; 144 145 struct dso *dso__new(const char *name); 146 struct dso *dso__new_kernel(const char *name); 147 void dso__delete(struct dso *self); 148 149 bool dso__loaded(const struct dso *self, enum map_type type); 150 bool dso__sorted_by_name(const struct dso *self, enum map_type type); 151 152 static inline void dso__set_loaded(struct dso *self, enum map_type type) 153 { 154 self->loaded |= (1 << type); 155 } 156 157 void dso__sort_by_name(struct dso *self, enum map_type type); 158 159 struct dso *__dsos__findnew(struct list_head *head, const char *name); 160 161 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter); 162 int dso__load_vmlinux_path(struct dso *self, struct map *map, 163 symbol_filter_t filter); 164 int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map, 165 symbol_filter_t filter); 166 int machine__load_kallsyms(struct machine *self, const char *filename, 167 enum map_type type, symbol_filter_t filter); 168 int machine__load_vmlinux_path(struct machine *self, enum map_type type, 169 symbol_filter_t filter); 170 171 size_t __dsos__fprintf(struct list_head *head, FILE *fp); 172 173 size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits); 174 size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp); 175 size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits); 176 177 size_t dso__fprintf_buildid(struct dso *self, FILE *fp); 178 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp); 179 180 enum dso_origin { 181 DSO__ORIG_KERNEL = 0, 182 DSO__ORIG_GUEST_KERNEL, 183 DSO__ORIG_JAVA_JIT, 184 DSO__ORIG_BUILD_ID_CACHE, 185 DSO__ORIG_FEDORA, 186 DSO__ORIG_UBUNTU, 187 DSO__ORIG_BUILDID, 188 DSO__ORIG_DSO, 189 DSO__ORIG_GUEST_KMODULE, 190 DSO__ORIG_KMODULE, 191 DSO__ORIG_NOT_FOUND, 192 }; 193 194 char dso__symtab_origin(const struct dso *self); 195 void dso__set_long_name(struct dso *self, char *name); 196 void dso__set_build_id(struct dso *self, void *build_id); 197 void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine); 198 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr); 199 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type, 200 const char *name); 201 202 int filename__read_build_id(const char *filename, void *bf, size_t size); 203 int sysfs__read_build_id(const char *filename, void *bf, size_t size); 204 bool __dsos__read_build_ids(struct list_head *head, bool with_hits); 205 int build_id__sprintf(const u8 *self, int len, char *bf); 206 int kallsyms__parse(const char *filename, void *arg, 207 int (*process_symbol)(void *arg, const char *name, 208 char type, u64 start)); 209 210 int __machine__create_kernel_maps(struct machine *self, struct dso *kernel); 211 int machine__create_kernel_maps(struct machine *self); 212 213 int machines__create_kernel_maps(struct rb_root *self, pid_t pid); 214 int machines__create_guest_kernel_maps(struct rb_root *self); 215 216 int symbol__init(void); 217 bool symbol_type__is_a(char symbol_type, enum map_type map_type); 218 219 size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp); 220 221 #endif /* __PERF_SYMBOL */ 222