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 #ifdef HAVE_CPLUS_DEMANGLE
  11 extern char *cplus_demangle(const char *, int);
  12
  13 static inline char *bfd_demangle(void __used *v, const char *c, int i)
  14 {
  15         return cplus_demangle(c, i);
  16 }
  17 #else
  18 #ifdef NO_DEMANGLE
  19 static inline char *bfd_demangle(void __used *v, const char __used *c,
  20                                  int __used i)
  21 {
  22         return NULL;
  23 }
  24 #else
  25 #include <bfd.h>
  26 #endif
  27 #endif
  28
  29 #ifndef DMGL_PARAMS
  30 #define DMGL_PARAMS      (1 << 0)       /* Include function args */
  31 #define DMGL_ANSI        (1 << 1)       /* Include const, volatile, etc */
  32 #endif
  33
  34 struct symbol {
  35         struct rb_node  rb_node;
  36         u64             start;
  37         u64             end;
  38         u64             obj_start;
  39         u64             hist_sum;
  40         u64             *hist;
  41         struct module   *module;
  42         void            *priv;
  43         char            name[0];
  44 };
  45
  46 struct dso {
  47         struct list_head node;
  48         struct rb_root   syms;
  49         struct symbol    *(*find_symbol)(struct dso *, u64 ip);
  50         unsigned int     sym_priv_size;
  51         unsigned char    adjust_symbols;
  52         unsigned char    slen_calculated;
  53         unsigned char    origin;
  54         char             name[0];
  55 };
  56
  57 const char *sym_hist_filter;
  58
  59 typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym);
  60
  61 struct dso *dso__new(const char *name, unsigned int sym_priv_size);
  62 void dso__delete(struct dso *self);
  63
  64 static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
  65 {
  66         return ((void *)sym) - self->sym_priv_size;
  67 }
  68
  69 struct symbol *dso__find_symbol(struct dso *self, u64 ip);
  70
  71 int dso__load_kernel(struct dso *self, const char *vmlinux,
  72                      symbol_filter_t filter, int verbose, int modules);
  73 int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose);
  74 int dso__load(struct dso *self, symbol_filter_t filter, int verbose);
  75
  76 size_t dso__fprintf(struct dso *self, FILE *fp);
  77 char dso__symtab_origin(const struct dso *self);
  78
  79 void symbol__init(void);
  80 #endif /* _PERF_SYMBOL_ */