Deleted Added
sdiff udiff text old ( 90715 ) new ( 90716 )
full compact
procfs_dbregs.c (90715) procfs_dbregs.c (90716)
1/*-
2 * Copyright (c) 1999 Brian Scott Dean, brdean@unx.sas.com.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Jan-Simon Pendry under the following copyrights and conditions:
7 *
8 * Copyright (c) 1993 Jan-Simon Pendry

--- 26 unchanged lines hidden (view full) ---

35 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
39 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
40 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 * SUCH DAMAGE.
42 *
1/*-
2 * Copyright (c) 1999 Brian Scott Dean, brdean@unx.sas.com.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Jan-Simon Pendry under the following copyrights and conditions:
7 *
8 * Copyright (c) 1993 Jan-Simon Pendry

--- 26 unchanged lines hidden (view full) ---

35 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
39 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
40 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 * SUCH DAMAGE.
42 *
43 * $FreeBSD: head/sys/fs/procfs/procfs_dbregs.c 90715 2002-02-16 04:05:32Z bde $
43 * From: @(#)procfs_regs.c 8.4 (Berkeley) 6/15/94
44 *
45 * From:
46 * $Id: procfs_regs.c,v 3.2 1993/12/15 09:40:17 jsp Exp $
47 * $FreeBSD: head/sys/fs/procfs/procfs_dbregs.c 90716 2002-02-16 05:38:07Z bde $
44 */
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/lock.h>
49#include <sys/mutex.h>
50#include <sys/proc.h>
51#include <sys/ptrace.h>

--- 7 unchanged lines hidden (view full) ---

59int
60procfs_doprocdbregs(PFS_FILL_ARGS)
61{
62 int error;
63 struct dbreg r;
64 char *kv;
65 int kl;
66
48 */
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/lock.h>
53#include <sys/mutex.h>
54#include <sys/proc.h>
55#include <sys/ptrace.h>

--- 7 unchanged lines hidden (view full) ---

63int
64procfs_doprocdbregs(PFS_FILL_ARGS)
65{
66 int error;
67 struct dbreg r;
68 char *kv;
69 int kl;
70
67 if (p_candebug(td->td_proc, p) != 0)
71 if (p_candebug(td->td_proc, p))
68 return (EPERM);
69 kl = sizeof(r);
70 kv = (char *) &r;
71
72 kv += uio->uio_offset;
73 kl -= uio->uio_offset;
74 if (kl > uio->uio_resid)
75 kl = uio->uio_resid;
76
77 PHOLD(p);
78 if (kl < 0)
79 error = EINVAL;
80 else
72 return (EPERM);
73 kl = sizeof(r);
74 kv = (char *) &r;
75
76 kv += uio->uio_offset;
77 kl -= uio->uio_offset;
78 if (kl > uio->uio_resid)
79 kl = uio->uio_resid;
80
81 PHOLD(p);
82 if (kl < 0)
83 error = EINVAL;
84 else
81 error = proc_read_dbregs(FIRST_THREAD_IN_PROC(p), &r); /* XXXKSE */
85 /* XXXKSE: */
86 error = proc_read_dbregs(FIRST_THREAD_IN_PROC(p), &r);
82 if (error == 0)
83 error = uiomove(kv, kl, uio);
84 if (error == 0 && uio->uio_rw == UIO_WRITE) {
85 if (p->p_stat != SSTOP)
86 error = EBUSY;
87 else
87 if (error == 0)
88 error = uiomove(kv, kl, uio);
89 if (error == 0 && uio->uio_rw == UIO_WRITE) {
90 if (p->p_stat != SSTOP)
91 error = EBUSY;
92 else
88 error = proc_write_dbregs(FIRST_THREAD_IN_PROC(p), &r); /* XXXKSE */
93 /* XXXKSE: */
94 error = proc_write_dbregs(FIRST_THREAD_IN_PROC(p), &r);
89 }
90 PRELE(p);
91
92 uio->uio_offset = 0;
93 return (error);
94}
95 }
96 PRELE(p);
97
98 uio->uio_offset = 0;
99 return (error);
100}