2883703e00
executing on 64bit kernel. This eliminates the direct comparisions of p_sysent with &ia32_freebsd_sysvec, that were left intact after r185169.
130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/*-
|
|
* Copyright (c) 1993 Jan-Simon Pendry
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Jan-Simon Pendry.
|
|
*
|
|
* 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.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)procfs_fpregs.c 8.2 (Berkeley) 6/15/94
|
|
*
|
|
* From:
|
|
* $Id: procfs_regs.c,v 3.2 1993/12/15 09:40:17 jsp Exp $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include "opt_compat.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/ptrace.h>
|
|
#include <sys/sysent.h>
|
|
#include <sys/uio.h>
|
|
|
|
#include <machine/reg.h>
|
|
|
|
#include <fs/pseudofs/pseudofs.h>
|
|
#include <fs/procfs/procfs.h>
|
|
|
|
#ifdef COMPAT_IA32
|
|
#include <sys/procfs.h>
|
|
#include <machine/fpu.h>
|
|
#include <compat/ia32/ia32_reg.h>
|
|
|
|
/*
|
|
* PROC(write, fpregs, td2, &r) becomes
|
|
* proc_write_fpregs(td2, &r) or
|
|
* proc_write_fpregs32(td2, &r32)
|
|
*
|
|
* UIOMOVE_FROMBUF(r, uio) becomes
|
|
* uiomove_frombuf(&r, sizeof(r), uio) or
|
|
* uiomove_frombuf(&r32, sizeof(r32), uio)
|
|
*/
|
|
#define PROC(d, w, t, r) wrap32 ? \
|
|
proc_ ## d ## _ ## w ## 32(t, r ## 32) : \
|
|
proc_ ## d ## _ ## w(t, r)
|
|
#define UIOMOVE_FROMBUF(k, u) wrap32 ? \
|
|
uiomove_frombuf(& k ## 32, sizeof(k ## 32), u) : \
|
|
uiomove_frombuf(& k, sizeof(k), u)
|
|
#else
|
|
#define PROC(d, w, t, r) proc_ ## d ## _ ## w(t, r)
|
|
#define UIOMOVE_FROMBUF(k, u) uiomove_frombuf(& k, sizeof(k), u)
|
|
#endif
|
|
|
|
int
|
|
procfs_doprocfpregs(PFS_FILL_ARGS)
|
|
{
|
|
int error;
|
|
struct fpreg r;
|
|
struct thread *td2;
|
|
#ifdef COMPAT_IA32
|
|
struct fpreg32 r32;
|
|
int wrap32 = 0;
|
|
#endif
|
|
|
|
if (uio->uio_offset != 0)
|
|
return (0);
|
|
|
|
PROC_LOCK(p);
|
|
KASSERT(p->p_lock > 0, ("proc not held"));
|
|
if (p_candebug(td, p)) {
|
|
PROC_UNLOCK(p);
|
|
return (EPERM);
|
|
}
|
|
|
|
/* XXXKSE: */
|
|
td2 = FIRST_THREAD_IN_PROC(p);
|
|
#ifdef COMPAT_IA32
|
|
if (SV_CURPROC_FLAG(SV_ILP32)) {
|
|
if ((td2->td_proc->p_sysent->sv_flags & SV_ILP32) == 0) {
|
|
PROC_UNLOCK(p);
|
|
return (EINVAL);
|
|
}
|
|
wrap32 = 1;
|
|
}
|
|
#endif
|
|
error = PROC(read, fpregs, td2, &r);
|
|
if (error == 0) {
|
|
PROC_UNLOCK(p);
|
|
error = UIOMOVE_FROMBUF(r, uio);
|
|
PROC_LOCK(p);
|
|
}
|
|
if (error == 0 && uio->uio_rw == UIO_WRITE) {
|
|
if (!P_SHOULDSTOP(p))
|
|
error = EBUSY;
|
|
else
|
|
/* XXXKSE: */
|
|
error = PROC(write, fpregs, td2, &r);
|
|
}
|
|
PROC_UNLOCK(p);
|
|
|
|
return (error);
|
|
}
|