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/* $OpenBSD: m68k.c,v 1.1 2003/05/30 19:32:53 miod Exp $ */
/*
* Copyright (c) 2003, Miodrag Vallat.
* 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 "pmdb.h"
static const char *md_reg_names[] = {
"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",
"%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%a7",
"%sr", "%pc"
};
struct md_def md_def = { md_reg_names, 18, 17 };
void
md_def_init(void)
{
/* nothing to do */
}
int
md_getframe(struct pstate *ps, int framenum, struct md_frame *fram)
{
struct frame fr;
struct reg r;
int count;
if (process_getregs(ps, &r) != 0)
return (-1);
fr.f_regs[15] = r.r_regs[15]; /* a7 */
fr.f_pc = r.r_pc;
for (count = 0; count < framenum; count++) {
if (process_read(ps, fr.f_regs[15], &fr, sizeof(fr)) < 0)
return (-1);
if (fr.f_pc < 0x1000)
return (-1);
}
fram->pc = fr.f_pc;
fram->fp = fr.f_regs[15];
return (0);
}
int
md_getregs(struct pstate *ps, reg *regs)
{
struct reg r;
if (process_getregs(ps, &r) != 0)
return (-1);
memcpy(regs, &r, sizeof(r));
return (0);
}
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