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/* $OpenBSD: mips64.c,v 1.2 2004/11/11 19:09:28 pefo Exp $ */
/*
* Copyright (c) 2002 Dale Rahn <drahn@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 <stddef.h>
#include <string.h>
#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[] = {
"zero", "AT", "v0", "v1", "a0", "a1", "a2", "a3",
"a4", "a5", "a6","a7","t0","t1","t2","t3",
"s0","s1","s2","s3","s4","s5","s6","s7",
"t8","t9","k0","k1","gp","sp","s8","ra",
"sr", "mullo", "mulhi", "badvaddr", "cause", "pc", "ic", "cpl"
"$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7",
"$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15",
"$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23",
"$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31",
"fsr"
};
struct md_def md_def = { md_reg_names, NREGS, PC};
void
md_def_init(void)
{
/* no need to do anything */
}
int
md_getframe(struct pstate *ps, int frame, struct md_frame *fram)
{
struct reg r;
reg fp, pc;
if (process_getregs(ps, &r))
return (-1);
fp = r.r_regs[SP];
if (frame == 0) {
pc = r.r_regs[PC];
goto out;
}
pc = r.r_regs[RA];
/* XXX Digging out the frames are a little tricky
* especially with gcc3 which throws around the code
* quite a bit. We don't have a frame pointer and
* and does not know the size of the frame.
* Need to think about a strategy...
*/
if (frame > 1)
return -1;
out:
fram->pc = pc;
fram->fp = fp;
fram->nargs = 0;
return 0;
}
int
md_getregs(struct pstate *ps, reg *regs)
{
struct reg md_reg;
if (process_getregs(ps, &md_reg))
return -1;
memcpy(regs, &md_reg, NREGS * sizeof(long));
return 0;
}
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