1 /*
2 * Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2003-2006 Roland McGrath <roland@redhat.com>
7 * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include "defs.h"
34
35 #ifdef HAVE_SYS_SHM_H
36 # include <sys/shm.h>
37 #elif defined HAVE_LINUX_SHM_H
38 # include <linux/shm.h>
39 #endif
40
41 #include "xlat/shm_resource_flags.h"
42 #include "xlat/shm_flags.h"
43
SYS_FUNC(shmget)44 SYS_FUNC(shmget)
45 {
46 if (tcp->u_arg[0])
47 tprintf("%#lx", tcp->u_arg[0]);
48 else
49 tprints("IPC_PRIVATE");
50 tprintf(", %lu, ", tcp->u_arg[1]);
51 if (printflags(shm_resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
52 tprints("|");
53 tprintf("%#lo", tcp->u_arg[2] & 0777);
54 return RVAL_DECODED;
55 }
56
SYS_FUNC(shmat)57 SYS_FUNC(shmat)
58 {
59 if (entering(tcp)) {
60 tprintf("%lu, ", tcp->u_arg[0]);
61 if (indirect_ipccall(tcp)) {
62 printaddr(tcp->u_arg[3]);
63 tprints(", ");
64 printflags(shm_flags, tcp->u_arg[1], "SHM_???");
65 } else {
66 printaddr(tcp->u_arg[1]);
67 tprints(", ");
68 printflags(shm_flags, tcp->u_arg[2], "SHM_???");
69 }
70 return 0;
71 } else {
72 if (syserror(tcp))
73 return 0;
74 if (indirect_ipccall(tcp)) {
75 unsigned long raddr;
76 if (umove(tcp, tcp->u_arg[2], &raddr) < 0)
77 return RVAL_NONE;
78 tcp->u_rval = raddr;
79 }
80 return RVAL_HEX;
81 }
82 }
83
SYS_FUNC(shmdt)84 SYS_FUNC(shmdt)
85 {
86 printaddr(tcp->u_arg[indirect_ipccall(tcp) ? 3 : 0]);
87 return RVAL_DECODED;
88 }
89