1/*- 2 * Copyright (c) 2004 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/kdb.h> 33#include <sys/kernel.h> 34#include <sys/signal.h> 35 36#include <machine/asm.h> 37#include <machine/gdb_machdep.h> 38#include <machine/pcb.h> 39#include <machine/reg.h> 40 41#include <gdb/gdb.h> 42 43void * 44gdb_cpu_getreg(int regnum, size_t *regsz) 45{ 46 static uint64_t synth; 47 48 *regsz = gdb_cpu_regsz(regnum); 49 switch (regnum) { 50 /* 0-7: g0-g7 */ 51 /* 8-15: o0-o7 */ 52 case 14: 53 synth = kdb_thrctx->pcb_sp - CCFSZ; 54 return (&synth); 55 /* 16-23: l0-l7 */ 56 /* 24-31: i0-i7 */ 57 case 30: return (&kdb_thrctx->pcb_sp); 58 /* 32-63: f0-f31 */ 59 /* 64-79: f32-f62 (16 double FP) */ 60 case 80: return (&kdb_thrctx->pcb_pc); 61 } 62 return (NULL); 63} 64 65void 66gdb_cpu_setreg(int regnum, void *val) 67{ 68 switch (regnum) { 69 } 70} 71