-#include "defs.h"
+/*
+ * Copyright (c) 2002-2003 Roland McGrath <roland@redhat.com>
+ * Copyright (c) 2007-2008 Ulrich Drepper <drepper@redhat.com>
+ * Copyright (c) 2009 Andreas Schwab <schwab@redhat.com>
+ * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2014-2017 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
-#ifdef HAVE_LINUX_FUTEX_H
-# include <linux/futex.h>
-#endif
+#include "defs.h"
-#ifndef FUTEX_WAIT
-# define FUTEX_WAIT 0
-#endif
-#ifndef FUTEX_WAKE
-# define FUTEX_WAKE 1
-#endif
-#ifndef FUTEX_FD
-# define FUTEX_FD 2
-#endif
-#ifndef FUTEX_REQUEUE
-# define FUTEX_REQUEUE 3
-#endif
-#ifndef FUTEX_CMP_REQUEUE
-# define FUTEX_CMP_REQUEUE 4
-#endif
-#ifndef FUTEX_WAKE_OP
-# define FUTEX_WAKE_OP 5
-#endif
-#ifndef FUTEX_LOCK_PI
-# define FUTEX_LOCK_PI 6
-# define FUTEX_UNLOCK_PI 7
-# define FUTEX_TRYLOCK_PI 8
-#endif
-#ifndef FUTEX_WAIT_BITSET
-# define FUTEX_WAIT_BITSET 9
-#endif
-#ifndef FUTEX_WAKE_BITSET
-# define FUTEX_WAKE_BITSET 10
-#endif
-#ifndef FUTEX_WAIT_REQUEUE_PI
-# define FUTEX_WAIT_REQUEUE_PI 11
-#endif
-#ifndef FUTEX_CMP_REQUEUE_PI
-# define FUTEX_CMP_REQUEUE_PI 12
-#endif
#ifndef FUTEX_PRIVATE_FLAG
# define FUTEX_PRIVATE_FLAG 128
#endif
#ifndef FUTEX_CLOCK_REALTIME
# define FUTEX_CLOCK_REALTIME 256
#endif
-#ifndef FUTEX_WAIT_PRIVATE
-# define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_WAKE_PRIVATE
-# define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_REQUEUE_PRIVATE
-# define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_CMP_REQUEUE_PRIVATE
-# define FUTEX_CMP_REQUEUE_PRIVATE (FUTEX_CMP_REQUEUE | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_WAKE_OP_PRIVATE
-# define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_LOCK_PI_PRIVATE
-# define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_UNLOCK_PI_PRIVATE
-# define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_TRYLOCK_PI_PRIVATE
-# define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_WAIT_BITSET_PRIVATE
-# define FUTEX_WAIT_BITSET_PRIVATE (FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_WAKE_BITSET_PRIVATE
-# define FUTEX_WAKE_BITSET_PRIVATE (FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_WAIT_REQUEUE_PI_PRIVATE
-# define FUTEX_WAIT_REQUEUE_PI_PRIVATE (FUTEX_WAIT_REQUEUE_PI | FUTEX_PRIVATE_FLAG)
-#endif
-#ifndef FUTEX_CMP_REQUEUE_PI_PRIVATE
-# define FUTEX_CMP_REQUEUE_PI_PRIVATE (FUTEX_CMP_REQUEUE_PI | FUTEX_PRIVATE_FLAG)
-#endif
+
#include "xlat/futexops.h"
-#ifndef FUTEX_OP_SET
-# define FUTEX_OP_SET 0
-# define FUTEX_OP_ADD 1
-# define FUTEX_OP_OR 2
-# define FUTEX_OP_ANDN 3
-# define FUTEX_OP_XOR 4
-# define FUTEX_OP_CMP_EQ 0
-# define FUTEX_OP_CMP_NE 1
-# define FUTEX_OP_CMP_LT 2
-# define FUTEX_OP_CMP_LE 3
-# define FUTEX_OP_CMP_GT 4
-# define FUTEX_OP_CMP_GE 5
-#endif
#include "xlat/futexwakeops.h"
#include "xlat/futexwakecmps.h"
SYS_FUNC(futex)
{
- if (entering(tcp)) {
- long int cmd = tcp->u_arg[1] & 127;
- tprintf("%p, ", (void *) tcp->u_arg[0]);
- printxval(futexops, tcp->u_arg[1], "FUTEX_???");
- tprintf(", %ld", tcp->u_arg[2]);
- if (cmd == FUTEX_WAKE_BITSET)
- tprintf(", %lx", tcp->u_arg[5]);
- else if (cmd == FUTEX_WAIT) {
- tprints(", ");
- printtv(tcp, tcp->u_arg[3]);
- } else if (cmd == FUTEX_WAIT_BITSET) {
- tprints(", ");
- printtv(tcp, tcp->u_arg[3]);
- tprintf(", %lx", tcp->u_arg[5]);
- } else if (cmd == FUTEX_REQUEUE)
- tprintf(", %ld, %p", tcp->u_arg[3], (void *) tcp->u_arg[4]);
- else if (cmd == FUTEX_CMP_REQUEUE || cmd == FUTEX_CMP_REQUEUE_PI)
- tprintf(", %ld, %p, %ld", tcp->u_arg[3], (void *) tcp->u_arg[4], tcp->u_arg[5]);
- else if (cmd == FUTEX_WAKE_OP) {
- tprintf(", %ld, %p, {", tcp->u_arg[3], (void *) tcp->u_arg[4]);
- if ((tcp->u_arg[5] >> 28) & 8)
- tprints("FUTEX_OP_OPARG_SHIFT|");
- printxval(futexwakeops, (tcp->u_arg[5] >> 28) & 0x7, "FUTEX_OP_???");
- tprintf(", %ld, ", (tcp->u_arg[5] >> 12) & 0xfff);
- if ((tcp->u_arg[5] >> 24) & 8)
- tprints("FUTEX_OP_OPARG_SHIFT|");
- printxval(futexwakecmps, (tcp->u_arg[5] >> 24) & 0x7, "FUTEX_OP_CMP_???");
- tprintf(", %ld}", tcp->u_arg[5] & 0xfff);
- } else if (cmd == FUTEX_WAIT_REQUEUE_PI) {
- tprints(", ");
- printtv(tcp, tcp->u_arg[3]);
- tprintf(", %p", (void *) tcp->u_arg[4]);
- }
+ const kernel_ulong_t uaddr = tcp->u_arg[0];
+ const int op = tcp->u_arg[1];
+ const int cmd = op & 127;
+ const kernel_ulong_t timeout = tcp->u_arg[3];
+ const kernel_ulong_t uaddr2 = tcp->u_arg[4];
+ const unsigned int val = tcp->u_arg[2];
+ const unsigned int val2 = tcp->u_arg[3];
+ const unsigned int val3 = tcp->u_arg[5];
+ const char *comment;
+
+ printaddr(uaddr);
+ tprints(", ");
+ printxval(futexops, op, "FUTEX_???");
+ switch (cmd) {
+ case FUTEX_WAIT:
+ tprintf(", %u", val);
+ tprints(", ");
+ print_timespec(tcp, timeout);
+ break;
+ case FUTEX_LOCK_PI:
+ tprints(", ");
+ print_timespec(tcp, timeout);
+ break;
+ case FUTEX_WAIT_BITSET:
+ tprintf(", %u", val);
+ tprints(", ");
+ print_timespec(tcp, timeout);
+ tprintf(", %#x", val3);
+ break;
+ case FUTEX_WAKE_BITSET:
+ tprintf(", %u", val);
+ tprintf(", %#x", val3);
+ break;
+ case FUTEX_REQUEUE:
+ tprintf(", %u", val);
+ tprintf(", %u, ", val2);
+ printaddr(uaddr2);
+ break;
+ case FUTEX_CMP_REQUEUE:
+ case FUTEX_CMP_REQUEUE_PI:
+ tprintf(", %u", val);
+ tprintf(", %u, ", val2);
+ printaddr(uaddr2);
+ tprintf(", %u", val3);
+ break;
+ case FUTEX_WAKE_OP:
+ tprintf(", %u", val);
+ tprintf(", %u, ", val2);
+ printaddr(uaddr2);
+ tprints(", ");
+ if ((val3 >> 28) & 8)
+ tprints("FUTEX_OP_OPARG_SHIFT<<28|");
+ comment = printxval(futexwakeops, (val3 >> 28) & 0x7, NULL)
+ ? NULL : "FUTEX_OP_???";
+ tprints("<<28");
+ tprints_comment(comment);
+ tprintf("|%#x<<12|", (val3 >> 12) & 0xfff);
+ comment = printxval(futexwakecmps, (val3 >> 24) & 0xf, NULL)
+ ? NULL : "FUTEX_OP_CMP_???";
+ tprints("<<24");
+ tprints_comment(comment);
+ tprintf("|%#x", val3 & 0xfff);
+ break;
+ case FUTEX_WAIT_REQUEUE_PI:
+ tprintf(", %u", val);
+ tprints(", ");
+ print_timespec(tcp, timeout);
+ tprints(", ");
+ printaddr(uaddr2);
+ break;
+ case FUTEX_FD:
+ case FUTEX_WAKE:
+ tprintf(", %u", val);
+ break;
+ case FUTEX_UNLOCK_PI:
+ case FUTEX_TRYLOCK_PI:
+ break;
+ default:
+ tprintf(", %u", val);
+ tprints(", ");
+ printaddr(timeout);
+ tprints(", ");
+ printaddr(uaddr2);
+ tprintf(", %#x", val3);
+ break;
}
- return 0;
+
+ return RVAL_DECODED;
}
projects / strace / blobdiff