2 * Copyright (c) 2002-2003 Roland McGrath <roland@redhat.com>
3 * Copyright (c) 2007-2008 Ulrich Drepper <drepper@redhat.com>
4 * Copyright (c) 2009 Andreas Schwab <schwab@redhat.com>
5 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
6 * Copyright (c) 2014-2017 The strace developers.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #ifndef FUTEX_PRIVATE_FLAG
35 # define FUTEX_PRIVATE_FLAG 128
37 #ifndef FUTEX_CLOCK_REALTIME
38 # define FUTEX_CLOCK_REALTIME 256
40 #ifndef FUTEX_OP_OPARG_SHIFT
41 # define FUTEX_OP_OPARG_SHIFT 8
44 #include "xlat/futexops.h"
45 #include "xlat/futexwakeops.h"
46 #include "xlat/futexwakecmps.h"
50 const kernel_ulong_t uaddr = tcp->u_arg[0];
51 const int op = tcp->u_arg[1];
52 const int cmd = op & 127;
53 const kernel_ulong_t timeout = tcp->u_arg[3];
54 const kernel_ulong_t uaddr2 = tcp->u_arg[4];
55 const unsigned int val = tcp->u_arg[2];
56 const unsigned int val2 = tcp->u_arg[3];
57 const unsigned int val3 = tcp->u_arg[5];
62 printxval(futexops, op, "FUTEX_???");
67 print_timespec(tcp, timeout);
71 print_timespec(tcp, timeout);
73 case FUTEX_WAIT_BITSET:
76 print_timespec(tcp, timeout);
77 tprintf(", %#x", val3);
79 case FUTEX_WAKE_BITSET:
81 tprintf(", %#x", val3);
85 tprintf(", %u, ", val2);
88 case FUTEX_CMP_REQUEUE:
89 case FUTEX_CMP_REQUEUE_PI:
91 tprintf(", %u, ", val2);
93 tprintf(", %u", val3);
97 tprintf(", %u, ", val2);
100 if ((val3 >> 28) & FUTEX_OP_OPARG_SHIFT) {
101 print_xlat(FUTEX_OP_OPARG_SHIFT);
104 comment = printxval(futexwakeops, (val3 >> 28) & 0x7, NULL)
105 ? NULL : "FUTEX_OP_???";
107 tprints_comment(comment);
108 tprintf("|%#x<<12|", (val3 >> 12) & 0xfff);
109 comment = printxval(futexwakecmps, (val3 >> 24) & 0xf, NULL)
110 ? NULL : "FUTEX_OP_CMP_???";
112 tprints_comment(comment);
113 tprintf("|%#x", val3 & 0xfff);
115 case FUTEX_WAIT_REQUEUE_PI:
116 tprintf(", %u", val);
118 print_timespec(tcp, timeout);
124 tprintf(", %u", val);
126 case FUTEX_UNLOCK_PI:
127 case FUTEX_TRYLOCK_PI:
130 tprintf(", %u", val);
135 tprintf(", %#x", val3);