Current Path : /sys/ia64/ia64/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/ia64/ia64/ptrace_machdep.c |
/*- * Copyright (c) 2003 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 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/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/ia64/ia64/ptrace_machdep.c 139790 2005-01-06 22:18:23Z imp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/proc.h> #include <sys/ptrace.h> #include <machine/frame.h> int cpu_ptrace(struct thread *td, int req, void *addr, int data) { struct trapframe *tf; uint64_t *kstack; int error; error = EINVAL; tf = td->td_frame; switch (req) { case PT_GETKSTACK: if (data >= 0 && data < (tf->tf_special.ndirty >> 3)) { kstack = (uint64_t*)(td->td_kstack + (tf->tf_special.bspstore & 0x1ffUL)); error = copyout(kstack + data, addr, 8); } break; case PT_SETKSTACK: if (data >= 0 && data < (tf->tf_special.ndirty >> 3)) { kstack = (uint64_t*)(td->td_kstack + (tf->tf_special.bspstore & 0x1ffUL)); error = copyin(addr, kstack + data, 8); } break; } return (error); }