1 #ifndef __PERF_SYMBOL 2 #define __PERF_SYMBOL 1 3 4 #include <linux/types.h> 5 #include <stdbool.h> 6 #include "types.h" 7 #include <linux/list.h> 8 #include <linux/rbtree.h> 9 #include "event.h" 10 11 #define DEBUG_CACHE_DIR ".debug" 12 13 #ifdef HAVE_CPLUS_DEMANGLE 14 extern char *cplus_demangle(const char *, int); 15 16 static inline char *bfd_demangle(void __used *v, const char *c, int i) 17 { 18 return cplus_demangle(c, i); 19 } 20 #else 21 #ifdef NO_DEMANGLE 22 static inline char *bfd_demangle(void __used *v, const char __used *c, 23 int __used i) 24 { 25 return NULL; 26 } 27 #else 28 #include <bfd.h> 29 #endif 30 #endif 31 32 /* 33 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; 34 * for newer versions we can use mmap to reduce memory usage: 35 */ 36 #ifdef LIBELF_NO_MMAP 37 # define PERF_ELF_C_READ_MMAP ELF_C_READ 38 #else 39 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP 40 #endif 41 42 #ifndef DMGL_PARAMS 43 #define DMGL_PARAMS (1 << 0) /* Include function args */ 44 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ 45 #endif 46 47 struct symbol { 48 struct rb_node rb_node; 49 u64 start; 50 u64 end; 51 char name[0]; 52 }; 53 54 void symbol__delete(struct symbol *self); 55 56 struct strlist; 57 58 struct symbol_conf { 59 unsigned short priv_size; 60 bool try_vmlinux_path, 61 use_modules, 62 sort_by_name, 63 show_nr_samples, 64 use_callchain, 65 exclude_other, 66 full_paths; 67 const char *vmlinux_name, 68 *field_sep; 69 char *dso_list_str, 70 *comm_list_str, 71 *sym_list_str, 72 *col_width_list_str; 73 struct strlist *dso_list, 74 *comm_list, 75 *sym_list; 76 }; 77 78 extern struct symbol_conf symbol_conf; 79 80 static inline void *symbol__priv(struct symbol *self) 81 { 82 return ((void *)self) - symbol_conf.priv_size; 83 } 84 85 struct ref_reloc_sym { 86 const char *name; 87 u64 addr; 88 u64 unrelocated_addr; 89 }; 90 91 struct addr_location { 92 struct thread *thread; 93 struct map *map; 94 struct symbol *sym; 95 u64 addr; 96 char level; 97 bool filtered; 98 }; 99 100 struct dso { 101 struct list_head node; 102 struct rb_root symbols[MAP__NR_TYPES]; 103 struct rb_root symbol_names[MAP__NR_TYPES]; 104 u8 adjust_symbols:1; 105 u8 slen_calculated:1; 106 u8 has_build_id:1; 107 u8 kernel:1; 108 u8 hit:1; 109 unsigned char origin; 110 u8 sorted_by_name; 111 u8 loaded; 112 u8 build_id[BUILD_ID_SIZE]; 113 u16 long_name_len; 114 const char *short_name; 115 char *long_name; 116 char name[0]; 117 }; 118 119 struct dso *dso__new(const char *name); 120 struct dso *dso__new_kernel(const char *name); 121 void dso__delete(struct dso *self); 122 123 bool dso__loaded(const struct dso *self, enum map_type type); 124 bool dso__sorted_by_name(const struct dso *self, enum map_type type); 125 126 static inline void dso__set_loaded(struct dso *self, enum map_type type) 127 { 128 self->loaded |= (1 << type); 129 } 130 131 void dso__sort_by_name(struct dso *self, enum map_type type); 132 133 extern struct list_head dsos__user, dsos__kernel; 134 135 struct dso *__dsos__findnew(struct list_head *head, const char *name); 136 137 static inline struct dso *dsos__findnew(const char *name) 138 { 139 return __dsos__findnew(&dsos__user, name); 140 } 141 142 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter); 143 int dso__load_vmlinux_path(struct dso *self, struct map *map, 144 symbol_filter_t filter); 145 int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map, 146 symbol_filter_t filter); 147 void dsos__fprintf(FILE *fp); 148 size_t dsos__fprintf_buildid(FILE *fp, bool with_hits); 149 150 size_t dso__fprintf_buildid(struct dso *self, FILE *fp); 151 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp); 152 char dso__symtab_origin(const struct dso *self); 153 void dso__set_long_name(struct dso *self, char *name); 154 void dso__set_build_id(struct dso *self, void *build_id); 155 void dso__read_running_kernel_build_id(struct dso *self); 156 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr); 157 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type, 158 const char *name); 159 160 int filename__read_build_id(const char *filename, void *bf, size_t size); 161 int sysfs__read_build_id(const char *filename, void *bf, size_t size); 162 bool dsos__read_build_ids(bool with_hits); 163 int build_id__sprintf(const u8 *self, int len, char *bf); 164 int kallsyms__parse(const char *filename, void *arg, 165 int (*process_symbol)(void *arg, const char *name, 166 char type, u64 start)); 167 168 int symbol__init(void); 169 bool symbol_type__is_a(char symbol_type, enum map_type map_type); 170 171 #endif /* __PERF_SYMBOL */ 172