134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/*
|
|
* Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de>
|
|
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
|
|
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
|
|
* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
|
|
* Copyright (c) 2003-2006 Roland McGrath <roland@redhat.com>
|
|
* Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2015-2017 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.
|
|
*/
|
|
|
|
#include "defs.h"
|
|
#include "ipc_defs.h"
|
|
|
|
#ifdef HAVE_SYS_SEM_H
|
|
# include <sys/sem.h>
|
|
#elif defined HAVE_LINUX_SEM_H
|
|
# include <linux/sem.h>
|
|
#endif
|
|
|
|
#include "xlat/semctl_flags.h"
|
|
#include "xlat/semop_flags.h"
|
|
|
|
#if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H
|
|
static bool
|
|
print_sembuf(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
|
|
{
|
|
const struct sembuf *sb = elem_buf;
|
|
|
|
tprintf("{%u, %d, ", sb->sem_num, sb->sem_op);
|
|
printflags(semop_flags, (unsigned short) sb->sem_flg, "SEM_???");
|
|
tprints("}");
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
tprint_sembuf_array(struct tcb *const tcp, const kernel_ulong_t addr,
|
|
const unsigned int count)
|
|
{
|
|
#if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H
|
|
struct sembuf sb;
|
|
print_array(tcp, addr, count, &sb, sizeof(sb),
|
|
umoven_or_printaddr, print_sembuf, 0);
|
|
#else
|
|
printaddr(addr);
|
|
#endif
|
|
tprintf(", %u", count);
|
|
}
|
|
|
|
SYS_FUNC(semop)
|
|
{
|
|
tprintf("%d, ", (int) tcp->u_arg[0]);
|
|
if (indirect_ipccall(tcp)) {
|
|
tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]);
|
|
} else {
|
|
tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
|
|
}
|
|
return RVAL_DECODED;
|
|
}
|
|
|
|
SYS_FUNC(semtimedop)
|
|
{
|
|
tprintf("%d, ", (int) tcp->u_arg[0]);
|
|
if (indirect_ipccall(tcp)) {
|
|
tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]);
|
|
tprints(", ");
|
|
#if defined(S390) || defined(S390X)
|
|
print_timespec(tcp, tcp->u_arg[2]);
|
|
#else
|
|
print_timespec(tcp, tcp->u_arg[4]);
|
|
#endif
|
|
} else {
|
|
tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
|
|
tprints(", ");
|
|
print_timespec(tcp, tcp->u_arg[3]);
|
|
}
|
|
return RVAL_DECODED;
|
|
}
|
|
|
|
SYS_FUNC(semget)
|
|
{
|
|
const int key = (int) tcp->u_arg[0];
|
|
if (key)
|
|
tprintf("%#x", key);
|
|
else
|
|
tprints("IPC_PRIVATE");
|
|
tprintf(", %d, ", (int) tcp->u_arg[1]);
|
|
if (printflags(resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
|
|
tprints("|");
|
|
print_numeric_umode_t(tcp->u_arg[2] & 0777);
|
|
return RVAL_DECODED;
|
|
}
|
|
|
|
SYS_FUNC(semctl)
|
|
{
|
|
tprintf("%d, %d, ", (int) tcp->u_arg[0], (int) tcp->u_arg[1]);
|
|
PRINTCTL(semctl_flags, tcp->u_arg[2], "SEM_???");
|
|
tprints(", ");
|
|
if (indirect_ipccall(tcp)
|
|
#ifdef SPARC64
|
|
&& current_personality != 0
|
|
#endif
|
|
) {
|
|
printnum_ptr(tcp, tcp->u_arg[3]);
|
|
} else {
|
|
printaddr(tcp->u_arg[3]);
|
|
}
|
|
return RVAL_DECODED;
|
|
}
|