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 #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 #ifndef DMGL_PARAMS
  31 #define DMGL_PARAMS      (1 << 0)       /* Include function args */
  32 #define DMGL_ANSI        (1 << 1)       /* Include const, volatile, etc */
  33 #endif
  34
  35 struct symbol {
  36         struct rb_node  rb_node;
  37         u64             start;
  38         u64             end;
  39         u64             obj_start;
  40         u64             hist_sum;
  41         u64             *hist;
  42         struct module   *module;
  43         void            *priv;
  44         char            name[0];
  45 };
  46
  47 struct dso {
  48         struct list_head node;
  49         struct rb_root   syms;
  50         struct symbol    *(*find_symbol)(struct dso *, u64 ip);
  51         unsigned int     sym_priv_size;
  52         unsigned char    adjust_symbols;
  53         unsigned char    slen_calculated;
  54         unsigned char    origin;
  55         char             name[0];
  56 };
  57
  58 extern const char *sym_hist_filter;
  59
  60 typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym);
  61
  62 struct dso *dso__new(const char *name, unsigned int sym_priv_size);
  63 void dso__delete(struct dso *self);
  64
  65 static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
  66 {
  67         return ((void *)sym) - self->sym_priv_size;
  68 }
  69
  70 struct symbol *dso__find_symbol(struct dso *self, u64 ip);
  71
  72 int dso__load_kernel(struct dso *self, const char *vmlinux,
  73                      symbol_filter_t filter, int verbose, int modules);
  74 int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose);
  75 int dso__load(struct dso *self, symbol_filter_t filter, int verbose);
  76 struct dso *dsos__findnew(const char *name);
  77 void dsos__fprintf(FILE *fp);
  78
  79 size_t dso__fprintf(struct dso *self, FILE *fp);
  80 char dso__symtab_origin(const struct dso *self);
  81
  82 int load_kernel(void);
  83
  84 void symbol__init(void);
  85
  86 extern struct list_head dsos;
  87 extern struct dso *kernel_dso;
  88 extern struct dso *vdso;
  89 extern struct dso *hypervisor_dso;
  90 extern const char *vmlinux_name;
  91 extern int   modules;
  92 #endif /* _PERF_SYMBOL_ */