mirror of https://gitee.com/openkylin/linux.git
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
#ifndef __UNWIND_H
|
|
#define __UNWIND_H
|
|
|
|
#include <linux/types.h>
|
|
#include "event.h"
|
|
#include "symbol.h"
|
|
#include "thread.h"
|
|
|
|
struct unwind_entry {
|
|
struct map *map;
|
|
struct symbol *sym;
|
|
u64 ip;
|
|
};
|
|
|
|
typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
|
|
|
|
#ifdef HAVE_DWARF_UNWIND_SUPPORT
|
|
int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
|
|
struct thread *thread,
|
|
struct perf_sample *data, int max_stack);
|
|
/* libunwind specific */
|
|
#ifdef HAVE_LIBUNWIND_SUPPORT
|
|
int libunwind__arch_reg_id(int regnum);
|
|
int unwind__prepare_access(struct thread *thread);
|
|
void unwind__flush_access(struct thread *thread);
|
|
void unwind__finish_access(struct thread *thread);
|
|
#else
|
|
static inline int unwind__prepare_access(struct thread *thread __maybe_unused)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
|
|
static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
|
|
#endif
|
|
#else
|
|
static inline int
|
|
unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
|
|
void *arg __maybe_unused,
|
|
struct thread *thread __maybe_unused,
|
|
struct perf_sample *data __maybe_unused,
|
|
int max_stack __maybe_unused)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int unwind__prepare_access(struct thread *thread __maybe_unused)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
|
|
static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
|
|
#endif /* HAVE_DWARF_UNWIND_SUPPORT */
|
|
#endif /* __UNWIND_H */
|