[deliverable/linux.git] / tools / perf / util / unwind.h

#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_DWARF_UNWIND_SUPPORT
int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
			struct machine *machine,
			struct thread *thread,
			struct perf_sample *data, int max_stack);
/* libunwind specific */
#ifdef HAVE_LIBUNWIND_SUPPORT
int libunwind__arch_reg_id(int regnum);
#endif
#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,
		    struct perf_sample *data __maybe_unused,
		    int max_stack __maybe_unused)
{
	return 0;
}
#endif /* HAVE_DWARF_UNWIND_SUPPORT */
#endif /* __UNWIND_H */
Commit	Line	Data
71ad0f5e JO	1	#ifndef __UNWIND_H
	2	#define __UNWIND_H
	3
	4	#include "types.h"
	5	#include "event.h"
	6	#include "symbol.h"
	7
	8	struct unwind_entry {
	9	struct map *map;
	10	struct symbol *sym;
	11	u64 ip;
	12	};
	13
	14	typedef int (unwind_entry_cb_t)(struct unwind_entry entry, void *arg);
	15
9ff125d1	16	#ifdef HAVE_DWARF_UNWIND_SUPPORT
71ad0f5e JO	17	int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
	18	struct machine *machine,
	19	struct thread *thread,
37676af1	20	struct perf_sample *data, int max_stack);
9ff125d1 JO	21	/* libunwind specific */
9ff125d1 JO	22	#ifdef HAVE_LIBUNWIND_SUPPORT
ea3da69d	23	int libunwind__arch_reg_id(int regnum);
9ff125d1	24	#endif
71ad0f5e JO	25	#else
71ad0f5e JO	26	static inline int
1d037ca1 IT	27	unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
	28	void *arg __maybe_unused,
	29	struct machine *machine __maybe_unused,
	30	struct thread *thread __maybe_unused,
37676af1 ACM	31	struct perf_sample *data __maybe_unused,
37676af1 ACM	32	int max_stack __maybe_unused)
71ad0f5e JO	33	{
	34	return 0;
	35	}
9ff125d1	36	#endif /* HAVE_DWARF_UNWIND_SUPPORT */
71ad0f5e	37	#endif /* __UNWIND_H */