2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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>
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.
38 printfd(tcp, tcp->u_arg[0]);
42 printaddr(tcp->u_arg[1]);
44 printstr(tcp, tcp->u_arg[1], tcp->u_rval);
45 tprintf(", %lu", tcp->u_arg[2]);
52 printfd(tcp, tcp->u_arg[0]);
54 printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
55 tprintf(", %lu", tcp->u_arg[2]);
60 struct print_iovec_config {
61 enum iov_decode decode_iov;
62 unsigned long data_size;
66 print_iovec(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
68 const unsigned long *iov;
69 unsigned long iov_buf[2], len;
70 struct print_iovec_config *c = data;
72 if (elem_size < sizeof(iov_buf)) {
73 iov_buf[0] = ((unsigned int *) elem_buf)[0];
74 iov_buf[1] = ((unsigned int *) elem_buf)[1];
80 tprints("{iov_base=");
84 switch (c->decode_iov) {
86 if (len > c->data_size)
88 if (c->data_size != (unsigned long) -1L)
90 printstr(tcp, iov[0], len);
92 case IOV_DECODE_NETLINK:
93 if (len > c->data_size)
95 if (c->data_size != (unsigned long) -1L)
97 decode_netlink(tcp, iov[0], iov[1]);
104 tprintf(", iov_len=%lu}", iov[1]);
110 * data_size limits the cumulative size of printed data.
111 * Example: recvmsg returing a short read.
114 tprint_iov_upto(struct tcb *tcp, unsigned long len, unsigned long addr,
115 enum iov_decode decode_iov, unsigned long data_size)
117 unsigned long iov[2];
118 struct print_iovec_config config =
119 { .decode_iov = decode_iov, .data_size = data_size };
121 print_array(tcp, addr, len, iov, current_wordsize * 2,
122 umoven_or_printaddr_ignore_syserror, print_iovec, &config);
126 tprint_iov(struct tcb *tcp, unsigned long len, unsigned long addr,
127 enum iov_decode decode_iov)
129 tprint_iov_upto(tcp, len, addr, decode_iov, (unsigned long) -1L);
135 printfd(tcp, tcp->u_arg[0]);
138 tprint_iov_upto(tcp, tcp->u_arg[2], tcp->u_arg[1],
139 syserror(tcp) ? IOV_DECODE_ADDR :
140 IOV_DECODE_STR, tcp->u_rval);
141 tprintf(", %lu", tcp->u_arg[2]);
148 printfd(tcp, tcp->u_arg[0]);
150 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], IOV_DECODE_STR);
151 tprintf(", %lu", tcp->u_arg[2]);
159 printfd(tcp, tcp->u_arg[0]);
163 printaddr(tcp->u_arg[1]);
165 printstr(tcp, tcp->u_arg[1], tcp->u_rval);
166 tprintf(", %lu, ", tcp->u_arg[2]);
167 printllval(tcp, "%lld", 3);
174 printfd(tcp, tcp->u_arg[0]);
176 printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
177 tprintf(", %lu, ", tcp->u_arg[2]);
178 printllval(tcp, "%lld", 3);
184 print_lld_from_low_high_val(struct tcb *tcp, int arg)
186 #if SIZEOF_LONG > 4 && SIZEOF_LONG == SIZEOF_LONG_LONG
187 # if SUPPORTED_PERSONALITIES > 1
189 if (current_personality != 1)
191 if (current_wordsize == sizeof(long))
194 tprintf("%ld", tcp->u_arg[arg]);
195 # if SUPPORTED_PERSONALITIES > 1
198 ((unsigned long) tcp->u_arg[arg + 1] << current_wordsize * 8)
199 | (unsigned long) tcp->u_arg[arg]);
201 #elif SIZEOF_LONG > 4
202 # error Unsupported configuration: SIZEOF_LONG > 4 && SIZEOF_LONG_LONG > SIZEOF_LONG
203 #elif HAVE_STRUCT_TCB_EXT_ARG
204 # if SUPPORTED_PERSONALITIES > 1
205 if (current_personality == 1) {
207 (zero_extend_signed_to_ull(tcp->u_arg[arg + 1]) << sizeof(long) * 8)
208 | zero_extend_signed_to_ull(tcp->u_arg[arg]));
212 tprintf("%lld", tcp->ext_arg[arg]);
214 #else /* SIZEOF_LONG_LONG > SIZEOF_LONG && !HAVE_STRUCT_TCB_EXT_ARG */
216 (zero_extend_signed_to_ull(tcp->u_arg[arg + 1]) << sizeof(long) * 8)
217 | zero_extend_signed_to_ull(tcp->u_arg[arg]));
221 #include "xlat/rwf_flags.h"
224 do_preadv(struct tcb *tcp, const int flags_arg)
227 printfd(tcp, tcp->u_arg[0]);
230 tprint_iov_upto(tcp, tcp->u_arg[2], tcp->u_arg[1],
231 syserror(tcp) ? IOV_DECODE_ADDR :
232 IOV_DECODE_STR, tcp->u_rval);
233 tprintf(", %lu, ", tcp->u_arg[2]);
234 print_lld_from_low_high_val(tcp, 3);
235 if (flags_arg >= 0) {
237 printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
245 return do_preadv(tcp, -1);
250 return do_preadv(tcp, 5);
254 do_pwritev(struct tcb *tcp, const int flags_arg)
256 printfd(tcp, tcp->u_arg[0]);
258 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], IOV_DECODE_STR);
259 tprintf(", %lu, ", tcp->u_arg[2]);
260 print_lld_from_low_high_val(tcp, 3);
261 if (flags_arg >= 0) {
263 printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
271 return do_pwritev(tcp, -1);
276 return do_pwritev(tcp, 5);
279 #include "xlat/splice_flags.h"
284 printfd(tcp, tcp->u_arg[0]);
287 printfd(tcp, tcp->u_arg[1]);
290 tprintf("%lu, ", tcp->u_arg[2]);
291 /* unsigned int flags */
292 printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
300 printfd(tcp, tcp->u_arg[0]);
303 printnum_int64(tcp, tcp->u_arg[1], "%" PRId64);
306 printfd(tcp, tcp->u_arg[2]);
308 /* loff_t *off_out */
309 printnum_int64(tcp, tcp->u_arg[3], "%" PRId64);
312 tprintf("%lu, ", tcp->u_arg[4]);
313 /* unsigned int flags */
314 printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???");
322 printfd(tcp, tcp->u_arg[0]);
324 /* const struct iovec *iov, unsigned long nr_segs */
325 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], IOV_DECODE_STR);
326 tprintf(", %lu, ", tcp->u_arg[2]);
327 /* unsigned int flags */
328 printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");