/* $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); }