/*	$PMDB: alpha.c,v 1.4 2002/02/21 02:20:51 art Exp $	*/
/*
 * Copyright (c) 2002 Artur Grabowski <art@openbsd.org>
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 *
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include <sys/param.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include <machine/frame.h>

#include <string.h>

#include "pmdb.h"

/*
 * This happens to be the same order as in struct reg.
 */

static const char *md_reg_names[] = {
	"v0",
	"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
	"s0", "s1", "s2", "s3", "s4", "s5", "s6",
	"a0", "a1", "a2", "a3", "a4", "a5",
	"t8", "t9", "t10", "t11",
	"ra",
	"t12",
	"at", "gp", "sp", "zero"
};

struct md_def md_def = { md_reg_names, 32, 31 };

void
md_def_init(void)
{
	/* nothing */
}

int
md_getregs(struct pstate *ps, reg *regs)
{
	struct reg r;

	if (ptrace(PT_GETREGS, ps->ps_pid, (caddr_t)&r, 0) != 0)
		return -1;

	memcpy(regs, &r, sizeof(r));

	return 0;
}