2 * Copyright (c) 2010 Andreas Schwab <schwab@linux-m68k.org>
3 * Copyright (c) 2012-2013 Denys Vlasenko <vda.linux@googlemail.com>
4 * Copyright (c) 2014 Masatake YAMATO <yamato@redhat.com>
5 * Copyright (c) 2010-2016 Dmitry V. Levin <ldv@altlinux.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 decode_mmsghdr(struct tcb *tcp, const int *const p_user_msg_namelen,
36 const long addr, const bool use_msg_len)
39 int fetched = fetch_struct_mmsghdr(tcp, addr, &mmsg);
43 print_struct_msghdr(tcp, &mmsg.msg_hdr, p_user_msg_namelen,
44 use_msg_len ? mmsg.msg_len : -1UL);
45 tprintf(", msg_len=%u}", mmsg.msg_len);
54 decode_mmsgvec(struct tcb *tcp, unsigned long addr, unsigned int len,
60 unsigned int i, fetched;
63 for (i = 0; i < len; ++i, addr += fetched) {
66 fetched = decode_mmsghdr(tcp, 0, addr, use_msg_len);
75 dumpiov_in_mmsghdr(struct tcb *tcp, long addr)
77 unsigned int len = tcp->u_rval;
78 unsigned int i, fetched;
81 for (i = 0; i < len; ++i, addr += fetched) {
82 fetched = fetch_struct_mmsghdr(tcp, addr, &mmsg);
85 tprintf(" = %lu buffers in vector %u\n",
86 (unsigned long) mmsg.msg_hdr.msg_iovlen, i);
87 dumpiov_upto(tcp, mmsg.msg_hdr.msg_iovlen,
88 (long) mmsg.msg_hdr.msg_iov, mmsg.msg_len);
96 printfd(tcp, tcp->u_arg[0]);
99 printaddr(tcp->u_arg[1]);
101 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
103 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
107 decode_mmsgvec(tcp, tcp->u_arg[1], tcp->u_rval, false);
109 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
111 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
118 static char str[sizeof("left") + TIMESPEC_TEXT_BUFSIZE];
121 printfd(tcp, tcp->u_arg[0]);
124 /* Abusing tcp->auxstr as temp storage.
125 * Will be used and cleared on syscall exit.
127 tcp->auxstr = sprint_timespec(tcp, tcp->u_arg[4]);
129 printaddr(tcp->u_arg[1]);
131 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
133 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
135 print_timespec(tcp, tcp->u_arg[4]);
140 decode_mmsgvec(tcp, tcp->u_arg[1], tcp->u_rval, true);
142 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
144 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
146 /* timeout on entrance */
147 tprints(tcp->auxstr);
152 if (tcp->u_rval == 0) {
153 tcp->auxstr = "Timeout";
158 /* timeout on exit */
159 snprintf(str, sizeof(str), "left %s",
160 sprint_timespec(tcp, tcp->u_arg[4]));