512 lines
11 KiB
C
512 lines
11 KiB
C
/*
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* Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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#include "defs.h"
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#if defined(LINUX) || defined(SUNOS4) || defined(FREEBSD)
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# ifdef HAVE_MQUEUE_H
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# include <mqueue.h>
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# endif
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#include <fcntl.h>
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#include <sys/ipc.h>
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#include <sys/sem.h>
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#include <sys/msg.h>
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#include <sys/shm.h>
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#ifndef MSG_STAT
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#define MSG_STAT 11
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#endif
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#ifndef MSG_INFO
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#define MSG_INFO 12
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#endif
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#ifndef SHM_STAT
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#define SHM_STAT 13
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#endif
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#ifndef SHM_INFO
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#define SHM_INFO 14
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#endif
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#ifndef SEM_STAT
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#define SEM_STAT 18
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#endif
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#ifndef SEM_INFO
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#define SEM_INFO 19
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#endif
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#if defined LINUX && !defined IPC_64
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# define IPC_64 0x100
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#endif
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extern void printsigevent(struct tcb *tcp, long arg);
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static const struct xlat msgctl_flags[] = {
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{ IPC_RMID, "IPC_RMID" },
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{ IPC_SET, "IPC_SET" },
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{ IPC_STAT, "IPC_STAT" },
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#ifdef LINUX
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{ IPC_INFO, "IPC_INFO" },
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{ MSG_STAT, "MSG_STAT" },
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{ MSG_INFO, "MSG_INFO" },
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#endif /* LINUX */
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{ 0, NULL },
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};
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static const struct xlat semctl_flags[] = {
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{ IPC_RMID, "IPC_RMID" },
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{ IPC_SET, "IPC_SET" },
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{ IPC_STAT, "IPC_STAT" },
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#ifdef LINUX
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{ IPC_INFO, "IPC_INFO" },
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{ SEM_STAT, "SEM_STAT" },
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{ SEM_INFO, "SEM_INFO" },
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#endif /* LINUX */
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{ GETPID, "GETPID" },
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{ GETVAL, "GETVAL" },
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{ GETALL, "GETALL" },
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{ GETNCNT, "GETNCNT" },
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{ GETZCNT, "GETZCNT" },
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{ SETVAL, "SETVAL" },
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{ SETALL, "SETALL" },
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{ 0, NULL },
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};
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static const struct xlat shmctl_flags[] = {
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{ IPC_RMID, "IPC_RMID" },
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{ IPC_SET, "IPC_SET" },
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{ IPC_STAT, "IPC_STAT" },
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#ifdef LINUX
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{ IPC_INFO, "IPC_INFO" },
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{ SHM_STAT, "SHM_STAT" },
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{ SHM_INFO, "SHM_INFO" },
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#endif /* LINUX */
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#ifdef SHM_LOCK
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{ SHM_LOCK, "SHM_LOCK" },
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#endif
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#ifdef SHM_UNLOCK
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{ SHM_UNLOCK, "SHM_UNLOCK" },
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#endif
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{ 0, NULL },
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};
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static const struct xlat resource_flags[] = {
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{ IPC_CREAT, "IPC_CREAT" },
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{ IPC_EXCL, "IPC_EXCL" },
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{ IPC_NOWAIT, "IPC_NOWAIT" },
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{ 0, NULL },
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};
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static const struct xlat shm_resource_flags[] = {
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{ IPC_CREAT, "IPC_CREAT" },
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{ IPC_EXCL, "IPC_EXCL" },
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#ifdef SHM_HUGETLB
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{ SHM_HUGETLB, "SHM_HUGETLB" },
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#endif
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{ 0, NULL },
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};
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static const struct xlat shm_flags[] = {
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#ifdef LINUX
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{ SHM_REMAP, "SHM_REMAP" },
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#endif /* LINUX */
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{ SHM_RDONLY, "SHM_RDONLY" },
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{ SHM_RND, "SHM_RND" },
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{ 0, NULL },
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};
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static const struct xlat msg_flags[] = {
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{ MSG_NOERROR, "MSG_NOERROR" },
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#ifdef LINUX
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{ MSG_EXCEPT, "MSG_EXCEPT" },
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#endif /* LINUX */
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{ IPC_NOWAIT, "IPC_NOWAIT" },
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{ 0, NULL },
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};
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int sys_msgget(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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if (tcp->u_arg[0])
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tprintf("%#lx", tcp->u_arg[0]);
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else
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tprintf("IPC_PRIVATE");
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tprintf(", ");
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if (printflags(resource_flags, tcp->u_arg[1] & ~0777, NULL) != 0)
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tprintf("|");
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tprintf("%#lo", tcp->u_arg[1] & 0777);
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}
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return 0;
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}
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#ifdef IPC_64
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# define PRINTCTL(flagset, arg, dflt) \
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if ((arg) & IPC_64) tprintf("IPC_64|"); \
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printxval((flagset), (arg) &~ IPC_64, dflt)
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#else
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# define PRINTCTL printxval
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#endif
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static int
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indirect_ipccall(tcp)
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struct tcb *tcp;
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{
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#ifdef LINUX
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#ifdef X86_64
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return current_personality > 0;
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#endif
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#if defined IA64
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return tcp->scno < 1024; /* ia32 emulation syscalls are low */
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#endif
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#if !defined MIPS && !defined HPPA
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return 1;
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#endif
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#endif /* LINUX */
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return 0;
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}
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int sys_msgctl(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%lu, ", tcp->u_arg[0]);
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PRINTCTL(msgctl_flags, tcp->u_arg[1], "MSG_???");
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tprintf(", %#lx", tcp->u_arg[indirect_ipccall(tcp) ? 3 : 2]);
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}
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return 0;
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}
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int sys_msgsnd(tcp)
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struct tcb *tcp;
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{
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long mtype;
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if (entering(tcp)) {
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tprintf("%lu", tcp->u_arg[0]);
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if (indirect_ipccall(tcp)) {
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umove(tcp, tcp->u_arg[3], &mtype);
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tprintf(", {%lu, ", mtype);
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printstr(tcp, tcp->u_arg[3] + sizeof(long),
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tcp->u_arg[1]);
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tprintf("}, %lu", tcp->u_arg[1]);
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tprintf(", ");
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printflags(msg_flags, tcp->u_arg[2], "MSG_???");
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} else {
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umove(tcp, tcp->u_arg[1], &mtype);
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tprintf(", {%lu, ", mtype);
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printstr(tcp, tcp->u_arg[1] + sizeof(long),
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tcp->u_arg[2]);
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tprintf("}, %lu", tcp->u_arg[2]);
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tprintf(", ");
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printflags(msg_flags, tcp->u_arg[3], "MSG_???");
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}
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}
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return 0;
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}
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int sys_msgrcv(tcp)
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struct tcb *tcp;
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{
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long mtype;
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if (entering(tcp)) {
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tprintf("%lu, ", tcp->u_arg[0]);
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} else {
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tprintf("%lu", tcp->u_arg[0]);
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if (indirect_ipccall(tcp)) {
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struct ipc_wrapper {
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struct msgbuf *msgp;
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long msgtyp;
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} tmp;
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umove(tcp, tcp->u_arg[3], &tmp);
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umove(tcp, (long) tmp.msgp, &mtype);
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tprintf(", {%lu, ", mtype);
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printstr(tcp, (long) (tmp.msgp) + sizeof(long),
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tcp->u_arg[1]);
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tprintf("}, %lu", tcp->u_arg[1]);
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tprintf(", %ld", tmp.msgtyp);
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tprintf(", ");
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printflags(msg_flags, tcp->u_arg[2], "MSG_???");
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} else {
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umove(tcp, tcp->u_arg[1], &mtype);
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tprintf("{%lu, ", mtype);
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printstr(tcp, tcp->u_arg[1] + sizeof(long),
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tcp->u_arg[2]);
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tprintf("}, %lu", tcp->u_arg[2]);
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tprintf(", %ld", tcp->u_arg[3]);
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tprintf(", ");
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printflags(msg_flags, tcp->u_arg[4], "MSG_???");
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}
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}
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return 0;
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}
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int sys_semop(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%lu", tcp->u_arg[0]);
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if (indirect_ipccall(tcp)) {
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tprintf(", %#lx", tcp->u_arg[3]);
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tprintf(", %lu", tcp->u_arg[1]);
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} else {
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tprintf(", %#lx", tcp->u_arg[1]);
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tprintf(", %lu", tcp->u_arg[2]);
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}
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}
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return 0;
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}
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#ifdef LINUX
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int sys_semtimedop(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%lu", tcp->u_arg[0]);
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if (indirect_ipccall(tcp)) {
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tprintf(", %#lx", tcp->u_arg[3]);
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tprintf(", %lu, ", tcp->u_arg[1]);
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printtv(tcp, tcp->u_arg[5]);
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} else {
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tprintf(", %#lx", tcp->u_arg[1]);
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tprintf(", %lu, ", tcp->u_arg[2]);
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printtv(tcp, tcp->u_arg[3]);
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}
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}
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return 0;
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}
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#endif
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int sys_semget(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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if (tcp->u_arg[0])
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tprintf("%#lx", tcp->u_arg[0]);
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else
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tprintf("IPC_PRIVATE");
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tprintf(", %lu", tcp->u_arg[1]);
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tprintf(", ");
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if (printflags(resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
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tprintf("|");
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tprintf("%#lo", tcp->u_arg[2] & 0777);
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}
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return 0;
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}
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int sys_semctl(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%lu", tcp->u_arg[0]);
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tprintf(", %lu, ", tcp->u_arg[1]);
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PRINTCTL(semctl_flags, tcp->u_arg[2], "SEM_???");
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tprintf(", %#lx", tcp->u_arg[3]);
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}
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return 0;
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}
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int sys_shmget(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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if (tcp->u_arg[0])
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tprintf("%#lx", tcp->u_arg[0]);
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else
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tprintf("IPC_PRIVATE");
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tprintf(", %lu", tcp->u_arg[1]);
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tprintf(", ");
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if (printflags(shm_resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
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tprintf("|");
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tprintf("%#lo", tcp->u_arg[2] & 0777);
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}
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return 0;
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}
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int sys_shmctl(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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tprintf("%lu, ", tcp->u_arg[0]);
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PRINTCTL(shmctl_flags, tcp->u_arg[1], "SHM_???");
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if (indirect_ipccall(tcp)) {
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tprintf(", %#lx", tcp->u_arg[3]);
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} else {
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tprintf(", %#lx", tcp->u_arg[2]);
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}
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}
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return 0;
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}
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int sys_shmat(tcp)
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struct tcb *tcp;
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{
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#ifdef LINUX
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unsigned long raddr;
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#endif /* LINUX */
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if (exiting(tcp)) {
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tprintf("%lu", tcp->u_arg[0]);
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if (indirect_ipccall(tcp)) {
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tprintf(", %#lx", tcp->u_arg[3]);
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tprintf(", ");
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printflags(shm_flags, tcp->u_arg[1], "SHM_???");
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} else {
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tprintf(", %#lx", tcp->u_arg[1]);
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tprintf(", ");
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printflags(shm_flags, tcp->u_arg[2], "SHM_???");
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}
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if (syserror(tcp))
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return 0;
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/* HPPA does not use an IPC multiplexer on Linux. */
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#if defined(LINUX) && !defined(HPPA)
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if (umove(tcp, tcp->u_arg[2], &raddr) < 0)
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return RVAL_NONE;
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tcp->u_rval = raddr;
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#endif /* LINUX */
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return RVAL_HEX;
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}
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return 0;
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}
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int sys_shmdt(tcp)
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struct tcb *tcp;
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{
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if (entering(tcp)) {
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if (indirect_ipccall(tcp)) {
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tprintf("%#lx", tcp->u_arg[3]);
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} else {
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tprintf("%#lx", tcp->u_arg[0]);
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}
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}
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return 0;
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}
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#endif /* defined(LINUX) || defined(SUNOS4) || defined(FREEBSD) */
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#ifdef LINUX
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int
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sys_mq_open(struct tcb *tcp)
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{
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if (entering(tcp)) {
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printpath(tcp, tcp->u_arg[0]);
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tprintf(", ");
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/* flags */
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tprint_open_modes(tcp->u_arg[1]);
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if (tcp->u_arg[1] & O_CREAT) {
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# ifndef HAVE_MQUEUE_H
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tprintf(", %lx", tcp->u_arg[2]);
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# else
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struct mq_attr attr;
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/* mode */
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tprintf(", %#lo, ", tcp->u_arg[2]);
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if (umove(tcp, tcp->u_arg[3], &attr) < 0)
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tprintf("{ ??? }");
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else
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tprintf("{mq_maxmsg=%ld, mq_msgsize=%ld}",
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attr.mq_maxmsg, attr.mq_msgsize);
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# endif
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}
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}
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return 0;
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}
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int
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sys_mq_timedsend(struct tcb *tcp)
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{
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if (entering(tcp)) {
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tprintf("%ld, ", tcp->u_arg[0]);
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printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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tprintf(", %lu, %ld, ", tcp->u_arg[2], tcp->u_arg[3]);
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printtv(tcp, tcp->u_arg[4]);
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}
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return 0;
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}
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int
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sys_mq_timedreceive(struct tcb *tcp)
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{
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if (entering(tcp))
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tprintf("%ld, ", tcp->u_arg[0]);
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else {
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printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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tprintf(", %lu, %ld, ", tcp->u_arg[2], tcp->u_arg[3]);
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printtv(tcp, tcp->u_arg[4]);
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}
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return 0;
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}
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int
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sys_mq_notify(struct tcb *tcp)
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{
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if (entering(tcp)) {
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tprintf("%ld, ", tcp->u_arg[0]);
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printsigevent(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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static void
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printmqattr(struct tcb *tcp, long addr)
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{
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if (addr == 0)
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tprintf("NULL");
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else {
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# ifndef HAVE_MQUEUE_H
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tprintf("%#lx", addr);
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# else
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struct mq_attr attr;
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if (umove(tcp, addr, &attr) < 0) {
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tprintf("{...}");
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return;
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}
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tprintf("{mq_flags=");
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tprint_open_modes(attr.mq_flags);
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tprintf(", mq_maxmsg=%ld, mq_msgsize=%ld, mq_curmsg=%ld}",
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attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
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# endif
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}
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}
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int
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sys_mq_getsetattr(struct tcb *tcp)
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{
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if (entering(tcp)) {
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tprintf("%ld, ", tcp->u_arg[0]);
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printmqattr(tcp, tcp->u_arg[1]);
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tprintf(", ");
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} else
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printmqattr(tcp, tcp->u_arg[2]);
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return 0;
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}
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#endif
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