* 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
#include "defs.h"
-#ifdef HAVE_LINUX_FUTEX_H
-# include <linux/futex.h>
-#endif
-
#ifndef FUTEX_PRIVATE_FLAG
# define FUTEX_PRIVATE_FLAG 128
#endif
SYS_FUNC(futex)
{
- const long uaddr = tcp->u_arg[0];
+ const kernel_ulong_t uaddr = tcp->u_arg[0];
const int op = tcp->u_arg[1];
const int cmd = op & 127;
- const long timeout = tcp->u_arg[3];
- const long uaddr2 = tcp->u_arg[4];
+ 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_???");
- tprintf(", %u", val);
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(", {");
+ tprints(", ");
if ((val3 >> 28) & 8)
- tprints("FUTEX_OP_OPARG_SHIFT|");
- printxval(futexwakeops, (val3 >> 28) & 0x7, "FUTEX_OP_???");
- tprintf(", %u, ", (val3 >> 12) & 0xfff);
- printxval(futexwakecmps, (val3 >> 24) & 0xf, "FUTEX_OP_CMP_???");
- tprintf(", %u}", val3 & 0xfff);
+ 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(", ");
break;
case FUTEX_FD:
case FUTEX_WAKE:
+ tprintf(", %u", val);
+ break;
case FUTEX_UNLOCK_PI:
case FUTEX_TRYLOCK_PI:
break;
default:
- tprintf(", %lx, %lx, %x", timeout, uaddr2, val3);
+ tprintf(", %u", val);
+ tprints(", ");
+ printaddr(timeout);
+ tprints(", ");
+ printaddr(uaddr2);
+ tprintf(", %#x", val3);
break;
}