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 != -1UL)
90 printstr(tcp, iov[0], len);
92 case IOV_DECODE_NETLINK:
93 if (len > c->data_size)
95 if (c->data_size != -1UL)
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 *const tcp, const unsigned long len,
115 const kernel_ureg_t addr, const enum iov_decode decode_iov,
116 const unsigned long data_size)
118 unsigned long 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(", %lu", 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(", %lu", tcp->u_arg[2]);
153 printfd(tcp, tcp->u_arg[0]);
157 printaddr(tcp->u_arg[1]);
159 printstr(tcp, tcp->u_arg[1], tcp->u_rval);
160 tprintf(", %lu, ", tcp->u_arg[2]);
161 printllval(tcp, "%lld", 3);
168 printfd(tcp, tcp->u_arg[0]);
170 printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
171 tprintf(", %lu, ", tcp->u_arg[2]);
172 printllval(tcp, "%lld", 3);
178 print_lld_from_low_high_val(struct tcb *tcp, int arg)
180 #if SIZEOF_LONG > 4 && SIZEOF_LONG == SIZEOF_LONG_LONG
181 # ifndef current_klongsize
182 if (current_klongsize < SIZEOF_LONG) {
183 tprintf("%ld", (tcp->u_arg[arg + 1] << current_wordsize * 8)
186 # endif /* !current_klongsize */
188 tprintf("%ld", tcp->u_arg[arg]);
190 #elif SIZEOF_LONG > 4
191 # error Unsupported configuration: SIZEOF_LONG > 4 && SIZEOF_LONG_LONG > SIZEOF_LONG
192 #elif HAVE_STRUCT_TCB_EXT_ARG
193 # ifndef current_klongsize
194 if (current_klongsize < SIZEOF_LONG_LONG) {
196 (zero_extend_signed_to_ull(tcp->u_arg[arg + 1]) << sizeof(long) * 8)
197 | zero_extend_signed_to_ull(tcp->u_arg[arg]));
199 # endif /* !current_klongsize */
201 tprintf("%lld", tcp->ext_arg[arg]);
203 #else /* SIZEOF_LONG_LONG > SIZEOF_LONG && !HAVE_STRUCT_TCB_EXT_ARG */
205 (zero_extend_signed_to_ull(tcp->u_arg[arg + 1]) << sizeof(long) * 8)
206 | zero_extend_signed_to_ull(tcp->u_arg[arg]));
210 #include "xlat/rwf_flags.h"
213 do_preadv(struct tcb *tcp, const int flags_arg)
216 printfd(tcp, tcp->u_arg[0]);
219 unsigned long len = widen_to_ulong(tcp->u_arg[2]);
221 tprint_iov_upto(tcp, len, tcp->u_arg[1],
222 syserror(tcp) ? IOV_DECODE_ADDR :
223 IOV_DECODE_STR, tcp->u_rval);
224 tprintf(", %lu, ", len);
225 print_lld_from_low_high_val(tcp, 3);
226 if (flags_arg >= 0) {
228 printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
236 return do_preadv(tcp, -1);
241 return do_preadv(tcp, 5);
245 do_pwritev(struct tcb *tcp, const int flags_arg)
247 unsigned long len = widen_to_ulong(tcp->u_arg[2]);
249 printfd(tcp, tcp->u_arg[0]);
251 tprint_iov(tcp, len, tcp->u_arg[1], IOV_DECODE_STR);
252 tprintf(", %lu, ", len);
253 print_lld_from_low_high_val(tcp, 3);
254 if (flags_arg >= 0) {
256 printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
264 return do_pwritev(tcp, -1);
269 return do_pwritev(tcp, 5);
272 #include "xlat/splice_flags.h"
277 printfd(tcp, tcp->u_arg[0]);
280 printfd(tcp, tcp->u_arg[1]);
283 tprintf("%lu, ", tcp->u_arg[2]);
284 /* unsigned int flags */
285 printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
293 printfd(tcp, tcp->u_arg[0]);
296 printnum_int64(tcp, tcp->u_arg[1], "%" PRId64);
299 printfd(tcp, tcp->u_arg[2]);
301 /* loff_t *off_out */
302 printnum_int64(tcp, tcp->u_arg[3], "%" PRId64);
305 tprintf("%lu, ", tcp->u_arg[4]);
306 /* unsigned int flags */
307 printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???");
315 printfd(tcp, tcp->u_arg[0]);
317 /* const struct iovec *iov, unsigned long nr_segs */
318 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], IOV_DECODE_STR);
319 tprintf(", %lu, ", tcp->u_arg[2]);
320 /* unsigned int flags */
321 printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");