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strace/ipc.c
Wichert Akkerman 76baf7c9f6 Initial revision
1999-02-19 00:21:36 +00:00

355 lines
7.9 KiB
C
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/*
* 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>
* 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.
*
* $Id$
*/
#include "defs.h"
#if defined(LINUX) || defined(SUNOS4)
#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
static struct xlat msgctl_flags[] = {
{ IPC_RMID, "IPC_RMID" },
{ IPC_SET, "IPC_SET" },
{ IPC_STAT, "IPC_STAT" },
#ifdef LINUX
{ IPC_INFO, "IPC_INFO" },
{ MSG_STAT, "MSG_STAT" },
{ MSG_INFO, "MSG_INFO" },
#endif /* LINUX */
{ 0, NULL },
};
static struct xlat semctl_flags[] = {
{ IPC_RMID, "IPC_RMID" },
{ IPC_SET, "IPC_SET" },
{ IPC_STAT, "IPC_STAT" },
#ifdef LINUX
{ IPC_INFO, "IPC_INFO" },
{ SEM_STAT, "SEM_STAT" },
{ SEM_INFO, "SEM_INFO" },
#endif /* LINUX */
{ GETPID, "GETPID" },
{ GETVAL, "GETVAL" },
{ GETALL, "GETALL" },
{ GETNCNT, "GETNCNT" },
{ GETZCNT, "GETZCNT" },
{ SETVAL, "SETVAL" },
{ SETALL, "SETALL" },
{ 0, NULL },
};
static struct xlat shmctl_flags[] = {
{ IPC_RMID, "IPC_RMID" },
{ IPC_SET, "IPC_SET" },
{ IPC_STAT, "IPC_STAT" },
#ifdef LINUX
{ IPC_INFO, "IPC_INFO" },
{ SHM_STAT, "SHM_STAT" },
{ SHM_INFO, "SHM_INFO" },
#endif /* LINUX */
{ SHM_LOCK, "SHM_LOCK" },
{ SHM_UNLOCK, "SHM_UNLOCK" },
{ 0, NULL },
};
static struct xlat resource_flags[] = {
{ IPC_CREAT, "IPC_CREAT" },
{ IPC_EXCL, "IPC_EXCL" },
{ IPC_NOWAIT, "IPC_NOWAIT" },
{ 0, NULL },
};
static struct xlat shm_flags[] = {
#ifdef LINUX
{ SHM_REMAP, "SHM_REMAP" },
#endif /* LINUX */
{ SHM_RDONLY, "SHM_RDONLY" },
{ SHM_RND, "SHM_RND" },
{ 0, NULL },
};
static struct xlat msg_flags[] = {
{ MSG_NOERROR, "MSG_NOERROR" },
#ifdef LINUX
{ MSG_EXCEPT, "MSG_EXCEPT" },
#endif /* LINUX */
{ IPC_NOWAIT, "IPC_NOWAIT" },
{ 0, NULL },
};
int sys_msgget(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
if (tcp->u_arg[0])
tprintf("%lu", tcp->u_arg[0]);
else
tprintf("IPC_PRIVATE");
tprintf(", ");
if (printflags(resource_flags, tcp->u_arg[1]) != 0)
tprintf("|");
tprintf("%#lo", tcp->u_arg[1] & 0666);
}
return 0;
}
int sys_msgctl(tcp)
struct tcb *tcp;
{
char *cmd = xlookup(msgctl_flags, tcp->u_arg[1]);
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
tprintf(", %s", cmd == NULL ? "MSG_???" : cmd);
#ifdef LINUX
tprintf(", %#lx", tcp->u_arg[3]);
#else /* !LINUX */
tprintf(", %#lx", tcp->u_arg[2]);
#endif /* !LINUX */
}
return 0;
}
int sys_msgsnd(tcp)
struct tcb *tcp;
{
long mtype;
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
#ifdef LINUX
umove(tcp, tcp->u_arg[3], &mtype);
tprintf(", {%lu, ", mtype);
printstr(tcp, tcp->u_arg[3] + sizeof(long),
tcp->u_arg[1]);
tprintf("}, %lu", tcp->u_arg[1]);
tprintf(", ");
if (printflags(msg_flags, tcp->u_arg[2]) == 0)
tprintf("0");
#else /* !LINUX */
umove(tcp, tcp->u_arg[1], &mtype);
tprintf(", {%lu, ", mtype);
printstr(tcp, tcp->u_arg[1] + sizeof(long),
tcp->u_arg[2]);
tprintf("}, %lu", tcp->u_arg[2]);
tprintf(", ");
if (printflags(msg_flags, tcp->u_arg[3]) == 0)
tprintf("0");
#endif /* !LINUX */
}
return 0;
}
int sys_msgrcv(tcp)
struct tcb *tcp;
{
long mtype;
#ifdef LINUX
struct ipc_wrapper {
struct msgbuf *msgp;
long msgtyp;
} tmp;
#endif
if (exiting(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
#ifdef LINUX
umove(tcp, tcp->u_arg[3], &tmp);
umove(tcp, (long) tmp.msgp, &mtype);
tprintf(", {%lu, ", mtype);
printstr(tcp, (long) (tmp.msgp) + sizeof(long),
tcp->u_arg[1]);
tprintf("}, %lu", tcp->u_arg[1]);
tprintf(", %ld", tmp.msgtyp);
tprintf(", ");
if (printflags(msg_flags, tcp->u_arg[2]) == 0)
tprintf("0");
#else /* !LINUX */
umove(tcp, tcp->u_arg[1], &mtype);
tprintf(", {%lu, ", mtype);
printstr(tcp, tcp->u_arg[1] + sizeof(long),
tcp->u_arg[2]);
tprintf("}, %lu", tcp->u_arg[2]);
tprintf(", %ld", tcp->u_arg[3]);
tprintf(", ");
if (printflags(msg_flags, tcp->u_arg[4]) == 0)
tprintf("0");
#endif /* !LINUX */
}
return 0;
}
int sys_semop(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
#ifdef LINUX
tprintf(", %#lx", tcp->u_arg[3]);
tprintf(", %lu", tcp->u_arg[1]);
#else /* !LINUX */
tprintf(", %#lx", tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[2]);
#endif /* !LINUX */
}
return 0;
}
int sys_semget(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
if (tcp->u_arg[0])
tprintf("%lu", tcp->u_arg[0]);
else
tprintf("IPC_PRIVATE");
tprintf(", %lu", tcp->u_arg[1]);
tprintf(", ");
if (printflags(resource_flags, tcp->u_arg[2]) != 0)
tprintf("|");
tprintf("%#lo", tcp->u_arg[2] & 0666);
}
return 0;
}
int sys_semctl(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
tprintf(", %lu, ", tcp->u_arg[1]);
printxval(semctl_flags, tcp->u_arg[2], "SEM_???");
tprintf(", %#lx", tcp->u_arg[3]);
}
return 0;
}
int sys_shmget(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
if (tcp->u_arg[0])
tprintf("%lu", tcp->u_arg[0]);
else
tprintf("IPC_PRIVATE");
tprintf(", %lu", tcp->u_arg[1]);
tprintf(", ");
if (printflags(resource_flags, tcp->u_arg[2]) != 0)
tprintf("|");
tprintf("%#lo", tcp->u_arg[2] & 0666);
}
return 0;
}
int sys_shmctl(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu, ", tcp->u_arg[0]);
printxval(shmctl_flags, tcp->u_arg[1], "SHM_???");
#ifdef LINUX
tprintf(", %#lx", tcp->u_arg[3]);
#else /* !LINUX */
tprintf(", %#lx", tcp->u_arg[2]);
#endif /* !LINUX */
}
return 0;
}
int sys_shmat(tcp)
struct tcb *tcp;
{
#ifdef LINUX
unsigned long raddr;
#endif /* LINUX */
if (exiting(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
#ifdef LINUX
tprintf(", %#lx", tcp->u_arg[3]);
tprintf(", ");
if (printflags(shm_flags, tcp->u_arg[1]) == 0)
tprintf("0");
#else /* !LINUX */
tprintf(", %#lx", tcp->u_arg[1]);
tprintf(", ");
if (printflags(shm_flags, tcp->u_arg[2]) == 0)
tprintf("0");
#endif /* !LINUX */
if (syserror(tcp))
return 0;
#ifdef LINUX
if (umove(tcp, tcp->u_arg[2], &raddr) < 0)
return RVAL_NONE;
tcp->u_rval = raddr;
#endif /* LINUX */
return RVAL_HEX;
}
return 0;
}
int sys_shmdt(tcp)
struct tcb *tcp;
{
if (entering(tcp))
#ifdef LINUX
tprintf("%#lx", tcp->u_arg[3]);
#else /* !LINUX */
tprintf("%#lx", tcp->u_arg[0]);
#endif /* !LINUX */
return 0;
}
#endif /* defined(LINUX) || defined(SUNOS4) */
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