1 /*
2 * Copyright (c) 2012 Denys Vlasenko <vda.linux@googlemail.com>
3 * Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "defs.h"
30
SYS_FUNC(process_vm_readv)31 SYS_FUNC(process_vm_readv)
32 {
33 if (entering(tcp)) {
34 /* arg 1: pid */
35 tprintf("%d, ", (int) tcp->u_arg[0]);
36 } else {
37 kernel_ulong_t local_iovcnt = tcp->u_arg[2];
38 kernel_ulong_t remote_iovcnt = tcp->u_arg[4];
39 kernel_ulong_t flags = tcp->u_arg[5];
40
41 /* arg 2: local iov */
42 tprint_iov_upto(tcp, local_iovcnt, tcp->u_arg[1],
43 syserror(tcp) ? IOV_DECODE_ADDR : IOV_DECODE_STR,
44 tcp->u_rval);
45 /* arg 3: local iovcnt */
46 tprintf(", %" PRI_klu ", ", local_iovcnt);
47 /* arg 4: remote iov */
48 tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3],
49 IOV_DECODE_ADDR);
50 /* arg 5: remote iovcnt */
51 /* arg 6: flags */
52 tprintf(", %" PRI_klu ", %" PRI_klu, remote_iovcnt, flags);
53 }
54 return 0;
55 }
56
SYS_FUNC(process_vm_writev)57 SYS_FUNC(process_vm_writev)
58 {
59 kernel_ulong_t local_iovcnt = tcp->u_arg[2];
60 kernel_ulong_t remote_iovcnt = tcp->u_arg[4];
61 kernel_ulong_t flags = tcp->u_arg[5];
62
63 /* arg 1: pid */
64 tprintf("%d, ", (int) tcp->u_arg[0]);
65 /* arg 2: local iov */
66 tprint_iov(tcp, local_iovcnt, tcp->u_arg[1], IOV_DECODE_STR);
67 /* arg 3: local iovcnt */
68 tprintf(", %" PRI_klu ", ", local_iovcnt);
69 /* arg 4: remote iov */
70 tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3], IOV_DECODE_ADDR);
71 /* arg 5: remote iovcnt */
72 /* arg 6: flags */
73 tprintf(", %" PRI_klu ", %" PRI_klu, remote_iovcnt, flags);
74
75 return RVAL_DECODED;
76 }
77