linux/tools/perf/util/symbol.h

121 lines
2.8 KiB
C

#ifndef __PERF_SYMBOL
#define __PERF_SYMBOL 1
#include <linux/types.h>
#include <stdbool.h>
#include "types.h"
#include <linux/list.h>
#include <linux/rbtree.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;
char name[0];
};
struct symbol_conf {
unsigned short priv_size;
bool try_vmlinux_path,
use_modules;
const char *vmlinux_name;
};
extern unsigned int symbol__priv_size;
static inline void *symbol__priv(struct symbol *self)
{
return ((void *)self) - symbol__priv_size;
}
struct addr_location {
struct thread *thread;
struct map *map;
struct symbol *sym;
u64 addr;
char level;
};
struct dso {
struct list_head node;
struct rb_root symbols[MAP__NR_TYPES];
struct symbol *(*find_symbol)(struct dso *self,
enum map_type type, u64 addr);
u8 adjust_symbols:1;
u8 slen_calculated:1;
u8 has_build_id:1;
u8 kernel:1;
unsigned char origin;
u8 loaded;
u8 build_id[BUILD_ID_SIZE];
u16 long_name_len;
const char *short_name;
char *long_name;
char name[0];
};
struct dso *dso__new(const char *name);
void dso__delete(struct dso *self);
bool dso__loaded(const struct dso *self, enum map_type type);
struct dso *dsos__findnew(const char *name);
int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
void dsos__fprintf(FILE *fp);
size_t dsos__fprintf_buildid(FILE *fp);
size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
char dso__symtab_origin(const struct dso *self);
void dso__set_build_id(struct dso *self, void *build_id);
int filename__read_build_id(const char *filename, void *bf, size_t size);
int sysfs__read_build_id(const char *filename, void *bf, size_t size);
bool dsos__read_build_ids(void);
int build_id__sprintf(u8 *self, int len, char *bf);
size_t kernel_maps__fprintf(FILE *fp);
int symbol__init(struct symbol_conf *conf);
struct thread;
struct thread *kthread;
extern struct list_head dsos__user, dsos__kernel;
extern struct dso *vdso;
#endif /* __PERF_SYMBOL */