[deliverable/linux.git] / tools / perf / util / perf_regs.c

#include <errno.h>
#include "perf_regs.h"

int perf_reg_value(u64 *valp, struct regs_dump *regs, int id)
{
	int i, idx = 0;
	u64 mask = regs->mask;

	if (!(mask & (1 << id)))
		return -EINVAL;

	for (i = 0; i < id; i++) {
		if (mask & (1 << i))
			idx++;
	}

	*valp = regs->regs[idx];
	return 0;
}
Commit	Line	Data
c9b951c4 JO	1	#include <errno.h>
	2	#include "perf_regs.h"
	3
	4	int perf_reg_value(u64 valp, struct regs_dump regs, int id)
	5	{
	6	int i, idx = 0;
	7	u64 mask = regs->mask;
	8
	9	if (!(mask & (1 << id)))
	10	return -EINVAL;
	11
	12	for (i = 0; i < id; i++) {
	13	if (mask & (1 << i))
	14	idx++;
	15	}
	16
	17	*valp = regs->regs[idx];
	18	return 0;
	19	}