linux-sg2042/tools/perf/util/unwind.h

37 lines
891 B
C

#ifndef __UNWIND_H
#define __UNWIND_H
#include "types.h"
#include "event.h"
#include "symbol.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_LIBUNWIND_SUPPORT
int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
struct machine *machine,
struct thread *thread,
u64 sample_uregs,
struct perf_sample *data, int max_stack);
int unwind__arch_reg_id(int regnum);
#else
static inline int
unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
void *arg __maybe_unused,
struct machine *machine __maybe_unused,
struct thread *thread __maybe_unused,
u64 sample_uregs __maybe_unused,
struct perf_sample *data __maybe_unused,
int max_stack __maybe_unused)
{
return 0;
}
#endif /* HAVE_LIBUNWIND_SUPPORT */
#endif /* __UNWIND_H */