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   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 struct strlist;
  55
  56 struct symbol_conf {
  57         unsigned short  priv_size;
  58         bool            try_vmlinux_path,
  59                         use_modules,
  60                         sort_by_name,
  61                         show_nr_samples,
  62                         use_callchain,
  63                         exclude_other,
  64                         full_paths;
  65         const char      *vmlinux_name,
  66                         *field_sep;
  67         char            *dso_list_str,
  68                         *comm_list_str,
  69                         *sym_list_str,
  70                         *col_width_list_str;
  71        struct strlist   *dso_list,
  72                         *comm_list,
  73                         *sym_list;
  74 };
  75
  76 extern struct symbol_conf symbol_conf;
  77
  78 static inline void *symbol__priv(struct symbol *self)
  79 {
  80         return ((void *)self) - symbol_conf.priv_size;
  81 }
  82
  83 struct ref_reloc_sym {
  84         const char      *name;
  85         u64             addr;
  86         u64             unrelocated_addr;
  87 };
  88
  89 struct addr_location {
  90         struct thread *thread;
  91         struct map    *map;
  92         struct symbol *sym;
  93         u64           addr;
  94         char          level;
  95         bool          filtered;
  96 };
  97
  98 struct dso {
  99         struct list_head node;
 100         struct rb_root   symbols[MAP__NR_TYPES];
 101         struct rb_root   symbol_names[MAP__NR_TYPES];
 102         u8               adjust_symbols:1;
 103         u8               slen_calculated:1;
 104         u8               has_build_id:1;
 105         u8               kernel:1;
 106         u8               hit:1;
 107         unsigned char    origin;
 108         u8               sorted_by_name;
 109         u8               loaded;
 110         u8               build_id[BUILD_ID_SIZE];
 111         u16              long_name_len;
 112         const char       *short_name;
 113         char             *long_name;
 114         char             name[0];
 115 };
 116
 117 struct dso *dso__new(const char *name);
 118 struct dso *dso__new_kernel(const char *name);
 119 void dso__delete(struct dso *self);
 120
 121 bool dso__loaded(const struct dso *self, enum map_type type);
 122 bool dso__sorted_by_name(const struct dso *self, enum map_type type);
 123
 124 static inline void dso__set_loaded(struct dso *self, enum map_type type)
 125 {
 126         self->loaded |= (1 << type);
 127 }
 128
 129 void dso__sort_by_name(struct dso *self, enum map_type type);
 130
 131 extern struct list_head dsos__user, dsos__kernel;
 132
 133 struct dso *__dsos__findnew(struct list_head *head, const char *name);
 134
 135 static inline struct dso *dsos__findnew(const char *name)
 136 {
 137         return __dsos__findnew(&dsos__user, name);
 138 }
 139
 140 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
 141 int dso__load_vmlinux_path(struct dso *self, struct map *map,
 142                            symbol_filter_t filter);
 143 int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map,
 144                        symbol_filter_t filter);
 145 void dsos__fprintf(FILE *fp);
 146 size_t dsos__fprintf_buildid(FILE *fp, bool with_hits);
 147
 148 size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
 149 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
 150 char dso__symtab_origin(const struct dso *self);
 151 void dso__set_long_name(struct dso *self, char *name);
 152 void dso__set_build_id(struct dso *self, void *build_id);
 153 void dso__read_running_kernel_build_id(struct dso *self);
 154 struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
 155 struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
 156                                         const char *name);
 157
 158 int filename__read_build_id(const char *filename, void *bf, size_t size);
 159 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
 160 bool dsos__read_build_ids(bool with_hits);
 161 int build_id__sprintf(const u8 *self, int len, char *bf);
 162 int kallsyms__parse(const char *filename, void *arg,
 163                     int (*process_symbol)(void *arg, const char *name,
 164                                           char type, u64 start));
 165
 166 int symbol__init(void);
 167 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
 168
 169 #endif /* __PERF_SYMBOL */