tools/perf/util/symbol.h

   1 #ifndef _PERF_SYMBOL_
   2 #define _PERF_SYMBOL_ 1
   3
   4 #include <linux/types.h>
   5 #include "types.h"
   6 #include <linux/list.h>
   7 #include <linux/rbtree.h>
   8 #include "module.h"
   9
  10 struct symbol {
  11         struct rb_node  rb_node;
  12         u64             start;
  13         u64             end;
  14         u64             obj_start;
  15         u64             hist_sum;
  16         u64             *hist;
  17         struct module   *module;
  18         void            *priv;
  19         char            name[0];
  20 };
  21
  22 struct dso {
  23         struct list_head node;
  24         struct rb_root   syms;
  25         struct symbol    *(*find_symbol)(struct dso *, u64 ip);
  26         unsigned int     sym_priv_size;
  27         unsigned char    adjust_symbols;
  28         unsigned char    slen_calculated;
  29         unsigned char    origin;
  30         char             name[0];
  31 };
  32
  33 const char *sym_hist_filter;
  34
  35 typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym);
  36
  37 struct dso *dso__new(const char *name, unsigned int sym_priv_size);
  38 void dso__delete(struct dso *self);
  39
  40 static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
  41 {
  42         return ((void *)sym) - self->sym_priv_size;
  43 }
  44
  45 struct symbol *dso__find_symbol(struct dso *self, u64 ip);
  46
  47 int dso__load_kernel(struct dso *self, const char *vmlinux,
  48                      symbol_filter_t filter, int verbose, int modules);
  49 int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose);
  50 int dso__load(struct dso *self, symbol_filter_t filter, int verbose);
  51
  52 size_t dso__fprintf(struct dso *self, FILE *fp);
  53 char dso__symtab_origin(const struct dso *self);
  54
  55 void symbol__init(void);
  56 #endif /* _PERF_SYMBOL_ */