/* * 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/amd64/amd64/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/proc.h> #include <sys/signal.h> #include <machine/frame.h> #include <machine/gdb_machdep.h> #include <machine/psl.h> #include <machine/reg.h> #include <machine/trap.h> #include <gdb/gdb.h> void * gdb_cpu_getreg(int regnum, size_t *regsz) { struct trapframe *tf = kdb_frame; *regsz = gdb_cpu_regsz(regnum); switch (regnum) { case 0: return (&tf->tf_rax); case 1: return (&tf->tf_rbx); case 2: return (&tf->tf_rcx); case 3: return (&tf->tf_rdx); case 4: return (&tf->tf_rsi); case 5: return (&tf->tf_rdi); case 6: return (&tf->tf_rbp); case 7: return (&tf->tf_rsp); case 8: return (&tf->tf_r8); case 9: return (&tf->tf_r9); case 10: return (&tf->tf_r10); case 11: return (&tf->tf_r11); case 12: return (&tf->tf_r12); case 13: return (&tf->tf_r13); case 14: return (&tf->tf_r14); case 15: return (&tf->tf_r15); case 16: return (&tf->tf_rip); case 17: return (&tf->tf_rflags); case 18: return (&tf->tf_cs); case 19: return (&tf->tf_ss); } return (NULL); } void gdb_cpu_setreg(int regnum, register_t val) { struct trapframe *tf = kdb_frame; switch (regnum) { case GDB_REG_PC: tf->tf_rip = val; break; } }