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 printstrn(tcp, tcp->u_arg[1], tcp->u_rval);
45 tprintf(", %" PRI_klu, tcp->u_arg[2]);
52 printfd(tcp, tcp->u_arg[0]);
54 printstrn(tcp, tcp->u_arg[1], tcp->u_arg[2]);
55 tprintf(", %" PRI_klu, tcp->u_arg[2]);
60 struct print_iovec_config {
61 enum iov_decode decode_iov;
62 kernel_ulong_t data_size;
66 print_iovec(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
68 const kernel_ulong_t *iov;
69 kernel_ulong_t 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 != (kernel_ulong_t) -1)
90 printstrn(tcp, iov[0], len);
92 case IOV_DECODE_NETLINK:
93 if (len > c->data_size)
95 if (c->data_size != (kernel_ulong_t) -1)
97 decode_netlink(tcp, iov[0], iov[1]);
104 tprintf(", iov_len=%" PRI_klu "}", 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 *const tcp, const kernel_ulong_t len,
115 const kernel_ulong_t addr, const enum iov_decode decode_iov,
116 const kernel_ulong_t data_size)
118 kernel_ulong_t iov[2];
119 struct print_iovec_config config =
120 { .decode_iov = decode_iov, .data_size = data_size };
122 print_array(tcp, addr, len, iov, current_wordsize * 2,
123 umoven_or_printaddr_ignore_syserror, print_iovec, &config);
129 printfd(tcp, tcp->u_arg[0]);
132 tprint_iov_upto(tcp, tcp->u_arg[2], tcp->u_arg[1],
133 syserror(tcp) ? IOV_DECODE_ADDR :
134 IOV_DECODE_STR, tcp->u_rval);
135 tprintf(", %" PRI_klu, tcp->u_arg[2]);
142 printfd(tcp, tcp->u_arg[0]);
144 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], IOV_DECODE_STR);
145 tprintf(", %" PRI_klu, tcp->u_arg[2]);
153 printfd(tcp, tcp->u_arg[0]);
157 printaddr(tcp->u_arg[1]);
159 printstrn(tcp, tcp->u_arg[1], tcp->u_rval);
160 tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
161 printllval(tcp, "%lld", 3);
168 printfd(tcp, tcp->u_arg[0]);
170 printstrn(tcp, tcp->u_arg[1], tcp->u_arg[2]);
171 tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
172 printllval(tcp, "%lld", 3);
178 print_lld_from_low_high_val(struct tcb *tcp, int arg)
180 #if SIZEOF_KERNEL_LONG_T > 4
181 # ifndef current_klongsize
182 if (current_klongsize < SIZEOF_KERNEL_LONG_T) {
183 tprintf("%" PRI_kld, (tcp->u_arg[arg + 1] << 32)
186 # endif /* !current_klongsize */
188 tprintf("%" PRI_kld, tcp->u_arg[arg]);
190 #else /* SIZEOF_KERNEL_LONG_T == 4 */
192 ((long long) tcp->u_arg[arg + 1] << 32)
193 | ((long long) tcp->u_arg[arg]));
197 #include "xlat/rwf_flags.h"
200 do_preadv(struct tcb *tcp, const int flags_arg)
203 printfd(tcp, tcp->u_arg[0]);
206 unsigned long len = widen_to_ulong(tcp->u_arg[2]);
208 tprint_iov_upto(tcp, len, tcp->u_arg[1],
209 syserror(tcp) ? IOV_DECODE_ADDR :
210 IOV_DECODE_STR, tcp->u_rval);
211 tprintf(", %lu, ", len);
212 print_lld_from_low_high_val(tcp, 3);
213 if (flags_arg >= 0) {
215 printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
223 return do_preadv(tcp, -1);
228 return do_preadv(tcp, 5);
232 do_pwritev(struct tcb *tcp, const int flags_arg)
234 unsigned long len = widen_to_ulong(tcp->u_arg[2]);
236 printfd(tcp, tcp->u_arg[0]);
238 tprint_iov(tcp, len, tcp->u_arg[1], IOV_DECODE_STR);
239 tprintf(", %lu, ", len);
240 print_lld_from_low_high_val(tcp, 3);
241 if (flags_arg >= 0) {
243 printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
251 return do_pwritev(tcp, -1);
256 return do_pwritev(tcp, 5);
259 #include "xlat/splice_flags.h"
264 printfd(tcp, tcp->u_arg[0]);
267 printfd(tcp, tcp->u_arg[1]);
270 tprintf("%" PRI_klu ", ", tcp->u_arg[2]);
271 /* unsigned int flags */
272 printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
280 printfd(tcp, tcp->u_arg[0]);
283 printnum_int64(tcp, tcp->u_arg[1], "%" PRId64);
286 printfd(tcp, tcp->u_arg[2]);
288 /* loff_t *off_out */
289 printnum_int64(tcp, tcp->u_arg[3], "%" PRId64);
292 tprintf("%" PRI_klu ", ", tcp->u_arg[4]);
293 /* unsigned int flags */
294 printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???");
302 printfd(tcp, tcp->u_arg[0]);
304 /* const struct iovec *iov, unsigned long nr_segs */
305 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], IOV_DECODE_STR);
306 tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
307 /* unsigned int flags */
308 printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");