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.
36 fetch_struct_mmsghdr_or_printaddr(struct tcb *tcp, const long addr,
37 const unsigned int len, void *const mh)
39 if ((entering(tcp) || !syserror(tcp))
40 && fetch_struct_mmsghdr(tcp, addr, mh)) {
48 struct print_struct_mmsghdr_config {
49 const int *p_user_msg_namelen;
50 unsigned int msg_len_vlen;
56 print_struct_mmsghdr(struct tcb *tcp, void *elem_buf,
57 size_t elem_size, void *data)
59 const struct mmsghdr *const mmsg = elem_buf;
60 struct print_struct_mmsghdr_config *const c = data;
69 print_struct_msghdr(tcp, &mmsg->msg_hdr, c->p_user_msg_namelen,
70 c->use_msg_len ? mmsg->msg_len : -1UL);
71 if (c->msg_len_vlen) {
72 tprintf(", msg_len=%u", mmsg->msg_len);
77 if (c->p_user_msg_namelen)
78 ++c->p_user_msg_namelen;
84 free_mmsgvec_data(void *ptr)
100 save_mmsgvec_namelen(struct tcb *tcp, unsigned long addr,
101 unsigned int len, const char *const timeout)
106 const size_t data_size = offsetof(struct mmsgvec_data, namelen)
108 struct mmsgvec_data *const data = xmalloc(data_size);
109 data->timeout = xstrdup(timeout);
111 unsigned int i, fetched;
113 for (i = 0; i < len; ++i, addr += fetched) {
116 fetched = fetch_struct_mmsghdr(tcp, addr, &mh);
119 data->namelen[i] = mh.msg_hdr.msg_namelen;
123 set_tcb_priv_data(tcp, data, free_mmsgvec_data);
127 decode_mmsgvec(struct tcb *tcp, const unsigned long addr,
128 const unsigned int vlen, const unsigned int msg_len_vlen,
129 const bool use_msg_len)
132 struct print_struct_mmsghdr_config c = {
133 .msg_len_vlen = msg_len_vlen,
135 .use_msg_len = use_msg_len
137 const struct mmsgvec_data *const data = get_tcb_priv_data(tcp);
140 if (data->count < c.count)
141 c.count = data->count;
142 c.p_user_msg_namelen = data->namelen;
145 print_array(tcp, addr, vlen, &mmsg, sizeof_struct_mmsghdr(),
146 fetch_struct_mmsghdr_or_printaddr,
147 print_struct_mmsghdr, &c);
151 dumpiov_in_mmsghdr(struct tcb *tcp, long addr)
153 unsigned int len = tcp->u_rval;
154 unsigned int i, fetched;
157 for (i = 0; i < len; ++i, addr += fetched) {
158 fetched = fetch_struct_mmsghdr(tcp, addr, &mmsg);
161 tprintf(" = %lu buffers in vector %u\n",
162 (unsigned long) mmsg.msg_hdr.msg_iovlen, i);
163 dumpiov_upto(tcp, mmsg.msg_hdr.msg_iovlen,
164 (long) mmsg.msg_hdr.msg_iov, mmsg.msg_len);
172 printfd(tcp, tcp->u_arg[0]);
176 printaddr(tcp->u_arg[1]);
178 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
180 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
184 const unsigned int msg_len_vlen =
185 syserror(tcp) ? 0 : tcp->u_rval;
187 temporarily_clear_syserror(tcp);
188 decode_mmsgvec(tcp, tcp->u_arg[1], tcp->u_arg[2],
189 msg_len_vlen, false);
190 restore_cleared_syserror(tcp);
192 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
194 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
202 printfd(tcp, tcp->u_arg[0]);
205 save_mmsgvec_namelen(tcp, tcp->u_arg[1], tcp->u_arg[2],
206 sprint_timespec(tcp, tcp->u_arg[4]));
209 printaddr(tcp->u_arg[1]);
211 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
213 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
215 print_timespec(tcp, tcp->u_arg[4]);
221 decode_mmsgvec(tcp, tcp->u_arg[1], tcp->u_rval,
224 tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
226 printflags(msg_flags, tcp->u_arg[3], "MSG_???");
228 /* timeout on entrance */
229 tprints(*(const char **) get_tcb_priv_data(tcp));
233 if (tcp->u_rval == 0) {
234 tcp->auxstr = "Timeout";
237 if (!verbose(tcp) || !tcp->u_arg[4])
239 /* timeout on exit */
240 static char str[sizeof("left") + TIMESPEC_TEXT_BUFSIZE];
241 snprintf(str, sizeof(str), "left %s",
242 sprint_timespec(tcp, tcp->u_arg[4]));