blob: 52a1d7ac6fb169080811bbca632afdafeb19cfbc [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>
* 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"
#ifdef HAVE_MQUEUE_H
# include <mqueue.h>
#endif
#include <fcntl.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <sys/msg.h>
#include <sys/shm.h>
#ifndef MSG_STAT
#define MSG_STAT 11
#endif
#ifndef MSG_INFO
#define MSG_INFO 12
#endif
#ifndef SHM_STAT
#define SHM_STAT 13
#endif
#ifndef SHM_INFO
#define SHM_INFO 14
#endif
#ifndef SEM_STAT
#define SEM_STAT 18
#endif
#ifndef SEM_INFO
#define SEM_INFO 19
#endif
#if !defined IPC_64
# define IPC_64 0x100
#endif
extern void printsigevent(struct tcb *tcp, long arg);
#include "xlat/msgctl_flags.h"
#include "xlat/semctl_flags.h"
#include "xlat/shmctl_flags.h"
#include "xlat/resource_flags.h"
#include "xlat/shm_resource_flags.h"
#include "xlat/shm_flags.h"
#include "xlat/ipc_msg_flags.h"
#include "xlat/semop_flags.h"
SYS_FUNC(msgget)
{
if (tcp->u_arg[0])
tprintf("%#lx, ", tcp->u_arg[0]);
else
tprints("IPC_PRIVATE, ");
if (printflags(resource_flags, tcp->u_arg[1] & ~0777, NULL) != 0)
tprints("|");
tprintf("%#lo", tcp->u_arg[1] & 0777);
return RVAL_DECODED;
}
#ifdef IPC_64
# define PRINTCTL(flagset, arg, dflt) \
if ((arg) & IPC_64) tprints("IPC_64|"); \
printxval((flagset), (arg) &~ IPC_64, dflt)
#else
# define PRINTCTL printxval
#endif
static int
indirect_ipccall(struct tcb *tcp)
{
return tcp->s_ent->sys_flags & TRACE_INDIRECT_SUBCALL;
}
SYS_FUNC(msgctl)
{
tprintf("%lu, ", tcp->u_arg[0]);
PRINTCTL(msgctl_flags, tcp->u_arg[1], "MSG_???");
tprints(", ");
printaddr(tcp->u_arg[indirect_ipccall(tcp) ? 3 : 2]);
return RVAL_DECODED;
}
static void
tprint_msgbuf(struct tcb *tcp, const long addr, const unsigned long count)
{
long mtype;
if (!umove_or_printaddr(tcp, addr, &mtype)) {
tprintf("{%lu, ", mtype);
printstr(tcp, addr + sizeof(mtype), count);
tprints("}");
}
tprintf(", %lu, ", count);
}
static void
tprint_msgsnd(struct tcb *tcp, const long addr, const unsigned long count,
const unsigned long flags)
{
tprint_msgbuf(tcp, addr, count);
printflags(ipc_msg_flags, flags, "MSG_???");
}
SYS_FUNC(msgsnd)
{
tprintf("%d, ", (int) tcp->u_arg[0]);
if (indirect_ipccall(tcp)) {
tprint_msgsnd(tcp, tcp->u_arg[3], tcp->u_arg[1],
tcp->u_arg[2]);
} else {
tprint_msgsnd(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3]);
}
return RVAL_DECODED;
}
static void
tprint_msgrcv(struct tcb *tcp, const long addr, const unsigned long count,
const long msgtyp)
{
tprint_msgbuf(tcp, addr, count);
tprintf("%ld, ", msgtyp);
}
SYS_FUNC(msgrcv)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
} else {
if (indirect_ipccall(tcp)) {
struct ipc_wrapper {
struct msgbuf *msgp;
long msgtyp;
} tmp;
if (umove_or_printaddr(tcp, tcp->u_arg[3], &tmp))
tprintf(", %lu, ", tcp->u_arg[1]);
else
tprint_msgrcv(tcp, (long) tmp.msgp,
tcp->u_arg[1], tmp.msgtyp);
printflags(ipc_msg_flags, tcp->u_arg[2], "MSG_???");
} else {
tprint_msgrcv(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
printflags(ipc_msg_flags, tcp->u_arg[4], "MSG_???");
}
}
return 0;
}
static void
tprint_sembuf(const struct sembuf *sb)
{
tprintf("{%u, %d, ", sb->sem_num, sb->sem_op);
printflags(semop_flags, sb->sem_flg, "SEM_???");
tprints("}");
}
static void
tprint_sembuf_array(struct tcb *tcp, const long addr, const unsigned long count)
{
unsigned long max_count;
struct sembuf sb;
if (abbrev(tcp))
max_count = (max_strlen < count) ? max_strlen : count;
else
max_count = count;
if (!max_count)
printaddr(addr);
else if (!umove_or_printaddr(tcp, addr, &sb)) {
unsigned long i;
tprints("[");
tprint_sembuf(&sb);
for (i = 1; i < max_count; ++i) {
tprints(", ");
if (umove_or_printaddr(tcp, addr + i * sizeof(sb), &sb))
break;
else
tprint_sembuf(&sb);
}
if (i < max_count || max_count < count)
tprints(", ...");
tprints("]");
}
tprintf(", %lu", count);
}
SYS_FUNC(semop)
{
tprintf("%lu, ", 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("%lu, ", 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)
printtv(tcp, tcp->u_arg[2]);
#else
printtv(tcp, tcp->u_arg[4]);
#endif
} else {
tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprints(", ");
printtv(tcp, tcp->u_arg[3]);
}
return RVAL_DECODED;
}
SYS_FUNC(semget)
{
if (tcp->u_arg[0])
tprintf("%#lx", tcp->u_arg[0]);
else
tprints("IPC_PRIVATE");
tprintf(", %lu, ", tcp->u_arg[1]);
if (printflags(resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
tprints("|");
tprintf("%#lo", tcp->u_arg[2] & 0777);
return RVAL_DECODED;
}
SYS_FUNC(semctl)
{
tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
PRINTCTL(semctl_flags, tcp->u_arg[2], "SEM_???");
tprints(", ");
if (indirect_ipccall(tcp)) {
if (current_wordsize == sizeof(int))
printnum_int(tcp, tcp->u_arg[3], "%#x");
else
printnum_long(tcp, tcp->u_arg[3], "%#lx");
} else {
tprintf("%#lx", tcp->u_arg[3]);
}
return RVAL_DECODED;
}
SYS_FUNC(shmget)
{
if (tcp->u_arg[0])
tprintf("%#lx", tcp->u_arg[0]);
else
tprints("IPC_PRIVATE");
tprintf(", %lu, ", tcp->u_arg[1]);
if (printflags(shm_resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
tprints("|");
tprintf("%#lo", tcp->u_arg[2] & 0777);
return RVAL_DECODED;
}
SYS_FUNC(shmctl)
{
tprintf("%lu, ", tcp->u_arg[0]);
PRINTCTL(shmctl_flags, tcp->u_arg[1], "SHM_???");
tprints(", ");
printaddr(tcp->u_arg[indirect_ipccall(tcp) ? 3 : 2]);
return RVAL_DECODED;
}
SYS_FUNC(shmat)
{
if (entering(tcp)) {
tprintf("%lu, ", tcp->u_arg[0]);
if (indirect_ipccall(tcp)) {
printaddr(tcp->u_arg[3]);
tprints(", ");
printflags(shm_flags, tcp->u_arg[1], "SHM_???");
} else {
printaddr(tcp->u_arg[1]);
tprints(", ");
printflags(shm_flags, tcp->u_arg[2], "SHM_???");
}
return 0;
} else {
if (syserror(tcp))
return 0;
if (indirect_ipccall(tcp)) {
unsigned long raddr;
if (umove(tcp, tcp->u_arg[2], &raddr) < 0)
return RVAL_NONE;
tcp->u_rval = raddr;
}
return RVAL_HEX;
}
}
SYS_FUNC(shmdt)
{
printaddr(tcp->u_arg[indirect_ipccall(tcp) ? 3 : 0]);
return RVAL_DECODED;
}
SYS_FUNC(mq_open)
{
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
/* flags */
tprint_open_modes(tcp->u_arg[1]);
if (tcp->u_arg[1] & O_CREAT) {
/* mode */
tprintf(", %#lo, ", tcp->u_arg[2]);
# ifndef HAVE_MQUEUE_H
printaddr(tcp->u_arg[3]);
# else
struct mq_attr attr;
if (!umove_or_printaddr(tcp, tcp->u_arg[3], &attr))
tprintf("{mq_maxmsg=%ld, mq_msgsize=%ld}",
(long) attr.mq_maxmsg,
(long) attr.mq_msgsize);
# endif
}
return RVAL_DECODED;
}
SYS_FUNC(mq_timedsend)
{
tprintf("%ld, ", tcp->u_arg[0]);
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, %ld, ", tcp->u_arg[2], tcp->u_arg[3]);
printtv(tcp, tcp->u_arg[4]);
return RVAL_DECODED;
}
SYS_FUNC(mq_timedreceive)
{
if (entering(tcp))
tprintf("%ld, ", tcp->u_arg[0]);
else {
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, %ld, ", tcp->u_arg[2], tcp->u_arg[3]);
printtv(tcp, tcp->u_arg[4]);
}
return 0;
}
SYS_FUNC(mq_notify)
{
tprintf("%ld, ", tcp->u_arg[0]);
printsigevent(tcp, tcp->u_arg[1]);
return RVAL_DECODED;
}
static void
printmqattr(struct tcb *tcp, const long addr)
{
# ifndef HAVE_MQUEUE_H
printaddr(addr);
# else
struct mq_attr attr;
if (umove_or_printaddr(tcp, addr, &attr))
return;
tprints("{mq_flags=");
tprint_open_modes(attr.mq_flags);
tprintf(", mq_maxmsg=%ld, mq_msgsize=%ld, mq_curmsg=%ld}",
(long) attr.mq_maxmsg, (long) attr.mq_msgsize,
(long) attr.mq_curmsgs);
# endif
}
SYS_FUNC(mq_getsetattr)
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printmqattr(tcp, tcp->u_arg[1]);
tprints(", ");
} else
printmqattr(tcp, tcp->u_arg[2]);
return 0;
}