103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
|
#ifndef _PERF_SYMBOL_
|
||
|
|
#define _PERF_SYMBOL_ 1
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include "types.h"
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/rbtree.h>
|
||
|
|
#include "module.h"
|
||
|
|
#include "event.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_CPLUS_DEMANGLE
|
||
|
|
extern char *cplus_demangle(const char *, int);
|
||
|
|
|
||
|
|
static inline char *bfd_demangle(void __used *v, const char *c, int i)
|
||
|
|
{
|
||
|
|
return cplus_demangle(c, i);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#ifdef NO_DEMANGLE
|
||
|
|
static inline char *bfd_demangle(void __used *v, const char __used *c,
|
||
|
|
int __used i)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#include <bfd.h>
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
|
||
|
|
* for newer versions we can use mmap to reduce memory usage:
|
||
|
|
*/
|
||
|
|
#ifdef LIBELF_NO_MMAP
|
||
|
|
# define PERF_ELF_C_READ_MMAP ELF_C_READ
|
||
|
|
#else
|
||
|
|
# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DMGL_PARAMS
|
||
|
|
#define DMGL_PARAMS (1 << 0) /* Include function args */
|
||
|
|
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct symbol {
|
||
|
|
struct rb_node rb_node;
|
||
|
|
u64 start;
|
||
|
|
u64 end;
|
||
|
|
u64 obj_start;
|
||
|
|
u64 hist_sum;
|
||
|
|
u64 *hist;
|
||
|
|
struct module *module;
|
||
|
|
void *priv;
|
||
|
|
char name[0];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct dso {
|
||
|
|
struct list_head node;
|
||
|
|
struct rb_root syms;
|
||
|
|
struct symbol *(*find_symbol)(struct dso *, u64 ip);
|
||
|
|
unsigned int sym_priv_size;
|
||
|
|
unsigned char adjust_symbols;
|
||
|
|
unsigned char slen_calculated;
|
||
|
|
unsigned char origin;
|
||
|
|
char name[0];
|
||
|
|
};
|
||
|
|
|
||
|
|
extern const char *sym_hist_filter;
|
||
|
|
|
||
|
|
typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym);
|
||
|
|
|
||
|
|
struct dso *dso__new(const char *name, unsigned int sym_priv_size);
|
||
|
|
void dso__delete(struct dso *self);
|
||
|
|
|
||
|
|
static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
|
||
|
|
{
|
||
|
|
return ((void *)sym) - self->sym_priv_size;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct symbol *dso__find_symbol(struct dso *self, u64 ip);
|
||
|
|
|
||
|
|
int dso__load_kernel(struct dso *self, const char *vmlinux,
|
||
|
|
symbol_filter_t filter, int verbose, int modules);
|
||
|
|
int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose);
|
||
|
|
int dso__load(struct dso *self, symbol_filter_t filter, int verbose);
|
||
|
|
struct dso *dsos__findnew(const char *name);
|
||
|
|
void dsos__fprintf(FILE *fp);
|
||
|
|
|
||
|
|
size_t dso__fprintf(struct dso *self, FILE *fp);
|
||
|
|
char dso__symtab_origin(const struct dso *self);
|
||
|
|
|
||
|
|
int load_kernel(void);
|
||
|
|
|
||
|
|
void symbol__init(void);
|
||
|
|
|
||
|
|
extern struct list_head dsos;
|
||
|
|
extern struct dso *kernel_dso;
|
||
|
|
extern struct dso *vdso;
|
||
|
|
extern struct dso *hypervisor_dso;
|
||
|
|
extern const char *vmlinux_name;
|
||
|
|
extern int modules;
|
||
|
|
#endif /* _PERF_SYMBOL_ */
|