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/*-
* 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);
}