/* * Copyright (c) 2004 Marcel Moolenaar * 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 AUTHORS ``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 AUTHORS 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/cdefs.h> __FBSDID("$FreeBSD: src/sys/alpha/alpha/gdb_machdep.c,v 1.1 2004/07/10 17:47:20 marcel Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kdb.h> #include <sys/kernel.h> #include <sys/signal.h> #include <machine/gdb_machdep.h> #include <machine/pcb.h> #include <machine/reg.h> #include <gdb/gdb.h> void * gdb_cpu_getreg(int regnum, size_t *regsz) { *regsz = gdb_cpu_regsz(regnum); switch (regnum) { case 9: return (&kdb_thrctx->pcb_context[0]); case 10: return (&kdb_thrctx->pcb_context[1]); case 11: return (&kdb_thrctx->pcb_context[2]); case 12: return (&kdb_thrctx->pcb_context[3]); case 13: return (&kdb_thrctx->pcb_context[4]); case 14: return (&kdb_thrctx->pcb_context[5]); case 15: return (&kdb_thrctx->pcb_context[6]); case 30: return (&kdb_thrctx->pcb_hw.apcb_ksp); case 64: return (&kdb_thrctx->pcb_context[7]); } return (NULL); } void gdb_cpu_setreg(int regnum, register_t val) { switch (regnum) { } } int gdb_cpu_signal(int entry, int code) { switch (entry) { case ALPHA_KENTRY_INT: case ALPHA_KENTRY_ARITH: return (SIGILL); /* Can this happen? */ case ALPHA_KENTRY_MM: switch (code) { case ALPHA_MMCSR_INVALTRANS: return (SIGSEGV); case ALPHA_MMCSR_ACCESS: case ALPHA_MMCSR_FOR: case ALPHA_MMCSR_FOE: case ALPHA_MMCSR_FOW: return (SIGBUS); } case ALPHA_KENTRY_IF: switch (code) { case ALPHA_IF_CODE_BUGCHK: case ALPHA_IF_CODE_BPT: return (SIGTRAP); case ALPHA_IF_CODE_GENTRAP: case ALPHA_IF_CODE_FEN: case ALPHA_IF_CODE_OPDEC: return (SIGILL); } case ALPHA_KENTRY_UNA: return (SIGSEGV); case ALPHA_KENTRY_SYS: return (SIGILL); } return (SIGILL); }