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 #ifdef HAVE_CPLUS_DEMANGLE 12 extern char *cplus_demangle(const char *, int); 13 14 static inline char *bfd_demangle(void __used *v, const char *c, int i) 15 { 16 return cplus_demangle(c, i); 17 } 18 #else 19 #ifdef NO_DEMANGLE 20 static inline char *bfd_demangle(void __used *v, const char __used *c, 21 int __used i) 22 { 23 return NULL; 24 } 25 #else 26 #include <bfd.h> 27 #endif 28 #endif 29 30 /* 31 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; 32 * for newer versions we can use mmap to reduce memory usage: 33 */ 34 #ifdef LIBELF_NO_MMAP 35 # define PERF_ELF_C_READ_MMAP ELF_C_READ 36 #else 37 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP 38 #endif 39 40 #ifndef DMGL_PARAMS 41 #define DMGL_PARAMS (1 << 0) /* Include function args */ 42 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ 43 #endif 44 45 struct symbol { 46 struct rb_node rb_node; 47 u64 start; 48 u64 end; 49 char name[0]; 50 }; 51 52 struct strlist; 53 54 struct symbol_conf { 55 unsigned short priv_size; 56 bool try_vmlinux_path, 57 use_modules, 58 sort_by_name, 59 show_nr_samples, 60 use_callchain, 61 exclude_other; 62 const char *vmlinux_name, 63 *field_sep; 64 char *dso_list_str, 65 *comm_list_str, 66 *sym_list_str, 67 *col_width_list_str; 68 struct strlist *dso_list, 69 *comm_list, 70 *sym_list; 71 }; 72 73 extern struct symbol_conf symbol_conf; 74 75 static inline void *symbol__priv(struct symbol *self) 76 { 77 return ((void *)self) - symbol_conf.priv_size; 78 } 79 80 struct addr_location { 81 struct thread *thread; 82 struct map *map; 83 struct symbol *sym; 84 u64 addr; 85 char level; 86 bool filtered; 87 }; 88 89 struct dso { 90 struct list_head node; 91 struct rb_root symbols[MAP__NR_TYPES]; 92 struct rb_root symbol_names[MAP__NR_TYPES]; 93 u8 adjust_symbols:1; 94 u8 slen_calculated:1; 95 u8 has_build_id:1; 96 u8 kernel:1; 97 unsigned char origin; 98 u8 sorted_by_name; 99 u8 loaded; 100 u8 build_id[BUILD_ID_SIZE]; 101 u16 long_name_len; 102 const char *short_name; 103 char *long_name; 104 char name[0]; 105 }; 106 107 struct dso *dso__new(const char *name); 108 void dso__delete(struct dso *self); 109 110 bool dso__loaded(const struct dso *self, enum map_type type); 111 bool dso__sorted_by_name(const struct dso *self, enum map_type type); 112 113 void dso__sort_by_name(struct dso *self, enum map_type type); 114 115 struct perf_session; 116 117 struct dso *dsos__findnew(const char *name); 118 int dso__load(struct dso *self, struct map *map, struct perf_session *session, 119 symbol_filter_t filter); 120 void dsos__fprintf(FILE *fp); 121 size_t dsos__fprintf_buildid(FILE *fp); 122 123 size_t dso__fprintf_buildid(struct dso *self, FILE *fp); 124 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp); 125 char dso__symtab_origin(const struct dso *self); 126 void dso__set_build_id(struct dso *self, void *build_id); 127 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr); 128 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type, 129 const char *name); 130 131 int filename__read_build_id(const char *filename, void *bf, size_t size); 132 int sysfs__read_build_id(const char *filename, void *bf, size_t size); 133 bool dsos__read_build_ids(void); 134 int build_id__sprintf(u8 *self, int len, char *bf); 135 136 int symbol__init(void); 137 int perf_session__create_kernel_maps(struct perf_session *self); 138 139 extern struct list_head dsos__user, dsos__kernel; 140 extern struct dso *vdso; 141 #endif /* __PERF_SYMBOL */ 142