![Arnaldo Carvalho de Melo](/assets/img/avatar_default.png)
It is always wired to dso__find_symbol. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1260564999-13371-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
128 lines
3.1 KiB
C
128 lines
3.1 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,
|
|
sort_by_name;
|
|
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 rb_root symbol_names[MAP__NR_TYPES];
|
|
u8 adjust_symbols:1;
|
|
u8 slen_calculated:1;
|
|
u8 has_build_id:1;
|
|
u8 kernel:1;
|
|
unsigned char origin;
|
|
u8 sorted_by_name;
|
|
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);
|
|
bool dso__sorted_by_name(const struct dso *self, enum map_type type);
|
|
|
|
void dso__sort_by_name(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);
|
|
struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
|
|
struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
|
|
const char *name);
|
|
|
|
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 map_groups;
|
|
struct map_groups *kmaps;
|
|
extern struct list_head dsos__user, dsos__kernel;
|
|
extern struct dso *vdso;
|
|
#endif /* __PERF_SYMBOL */
|