blob: 3498455de370992e82d6f54b6ab092587d969f45 [file] [log] [blame]
/*
* 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>
* 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 DEF_MPERS_TYPE(shmid_ds_t)
#include "ipc_defs.h"
#ifdef HAVE_SYS_SHM_H
/* The C library generally exports the struct the current kernel expects. */
# include <sys/shm.h>
typedef struct shmid_ds shmid_ds_t;
#elif defined HAVE_LINUX_SHM_H
/* The linux header might provide the right struct. */
# include <linux/shm.h>
typedef struct shmid64_ds shmid_ds_t;
#endif
#include MPERS_DEFS
#include "xlat/shmctl_flags.h"
static void
print_shmid_ds(struct tcb *tcp, const long addr, int cmd)
{
/* TODO: We don't properly decode old compat ipc calls. */
if (cmd & IPC_64)
cmd &= ~IPC_64;
shmid_ds_t shmid_ds;
switch (cmd) {
case IPC_SET:
case IPC_STAT:
if (umove_or_printaddr(tcp, addr, &shmid_ds))
return;
tprints("{shm_perm={");
printuid("uid=", shmid_ds.shm_perm.uid);
printuid(", gid=", shmid_ds.shm_perm.gid);
tprints(", mode=");
tprints(sprintmode(shmid_ds.shm_perm.mode));
if (cmd != IPC_STAT) {
tprints("}, ...}");
break;
}
tprintf(", key=%u", (unsigned) shmid_ds.shm_perm.__key);
printuid(", cuid=", shmid_ds.shm_perm.cuid);
printuid(", cgid=", shmid_ds.shm_perm.cgid);
tprints("}");
tprintf(", shm_segsz=%u", (unsigned) shmid_ds.shm_segsz);
tprintf(", shm_cpid=%u", (unsigned) shmid_ds.shm_cpid);
tprintf(", shm_lpid=%u", (unsigned) shmid_ds.shm_lpid);
tprintf(", shm_nattch=%u", (unsigned) shmid_ds.shm_nattch);
tprintf(", shm_atime=%u", (unsigned) shmid_ds.shm_atime);
tprintf(", shm_dtime=%u", (unsigned) shmid_ds.shm_dtime);
tprintf(", shm_ctime=%u", (unsigned) shmid_ds.shm_ctime);
tprints("}");
break;
default:
printaddr(addr);
break;
}
}
SYS_FUNC(shmctl)
{
if (entering(tcp)) {
tprintf("%lu, ", tcp->u_arg[0]);
PRINTCTL(shmctl_flags, tcp->u_arg[1], "SHM_???");
tprints(", ");
} else {
const long addr = tcp->u_arg[indirect_ipccall(tcp) ? 3 : 2];
print_shmid_ds(tcp, addr, tcp->u_arg[1]);
}
return 0;
}