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 * Copyright (c) 2015-2018 The strace developers.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 #elif defined HAVE_LINUX_MSG_H
40 # include <linux/msg.h>
43 #include "xlat/ipc_msg_flags.h"
44 #include "xlat/ipc_private.h"
45 #include "xlat/resource_flags.h"
49 printxval(ipc_private, (unsigned int) tcp->u_arg[0], NULL);
51 if (printflags(resource_flags, tcp->u_arg[1] & ~0777, NULL) != 0)
53 print_numeric_umode_t(tcp->u_arg[1] & 0777);
58 tprint_msgsnd(struct tcb *const tcp, const kernel_ulong_t addr,
59 const kernel_ulong_t count, const unsigned int flags)
61 tprint_msgbuf(tcp, addr, count);
62 printflags(ipc_msg_flags, flags, "MSG_???");
67 tprintf("%d, ", (int) tcp->u_arg[0]);
68 if (indirect_ipccall(tcp)) {
69 tprint_msgsnd(tcp, tcp->u_arg[3], tcp->u_arg[1],
72 tprint_msgsnd(tcp, tcp->u_arg[1], tcp->u_arg[2],
79 tprint_msgrcv(struct tcb *const tcp, const kernel_ulong_t addr,
80 const kernel_ulong_t count, const kernel_ulong_t msgtyp)
82 tprint_msgbuf(tcp, addr, count);
83 tprintf("%" PRI_kld ", ", msgtyp);
87 fetch_msgrcv_args(struct tcb *const tcp, const kernel_ulong_t addr,
88 kernel_ulong_t *const pair)
90 if (current_wordsize == sizeof(*pair)) {
91 if (umoven_or_printaddr(tcp, addr, 2 * sizeof(*pair), pair))
96 if (umove_or_printaddr(tcp, addr, &tmp))
99 pair[1] = (int) tmp[1];
107 tprintf("%d, ", (int) tcp->u_arg[0]);
109 if (indirect_ipccall(tcp)) {
112 current_wordsize == 8 ||
114 get_tcb_priv_ulong(tcp) != 0;
116 tprint_msgrcv(tcp, tcp->u_arg[3],
117 tcp->u_arg[1], tcp->u_arg[4]);
119 kernel_ulong_t pair[2];
121 if (fetch_msgrcv_args(tcp, tcp->u_arg[3], pair))
122 tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
124 tprint_msgrcv(tcp, pair[0],
125 tcp->u_arg[1], pair[1]);
127 printflags(ipc_msg_flags, tcp->u_arg[2], "MSG_???");
129 tprint_msgrcv(tcp, tcp->u_arg[1],
130 tcp->u_arg[2], tcp->u_arg[3]);
131 printflags(ipc_msg_flags, tcp->u_arg[4], "MSG_???");