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/* $OpenBSD: vax.c,v 1.5 2002/07/22 02:54:23 art Exp $ */
/*
* Copyright (c) 2002 Federico Schwindt <fgsch@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 "pmdb.h"
static const char *md_reg_names[] = {
"%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", "%r8",
"%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc", "%ps"
};
struct md_def md_def = { md_reg_names, 17, 16 };
void
md_def_init(void)
{
/* no need to do anything */
}
int
md_getframe(struct pstate *ps, int frame, struct md_frame *fram)
{
struct callsframe fr;
struct reg r;
int count;
if (process_getregs(ps, &r))
return (-1);
fr.ca_fp = r.fp;
fr.ca_pc = r.pc;
for (count = 0; count < frame; count++) {
if (process_read(ps, fr.ca_fp, &fr, sizeof(fr)) < 0)
return (-1);
if (fr.ca_pc < 0x1000)
return (-1);
}
fram->pc = fr.ca_pc;
fram->fp = fr.ca_fp;
return (0);
}
int
md_getregs(struct pstate *ps, reg *regs)
{
struct reg r;
if (process_getregs(ps, &r))
return (-1);
memcpy(regs, &r, sizeof(r));
return (0);
}
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