/*
- * 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) 2016 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 1999-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
#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>
+#include "xlat/ipccalls.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_???");
- tprintf(", %#lx", tcp->u_arg[indirect_ipccall(tcp) ? 3 : 2]);
- return RVAL_DECODED;
-}
-
-static void
-tprint_msgsnd(struct tcb *tcp, long addr, unsigned long count,
- unsigned long flags)
-{
- long mtype;
-
- if (umove(tcp, addr, &mtype) < 0) {
- tprintf("%#lx", addr);
- } else {
- tprintf("{%lu, ", mtype);
- printstr(tcp, addr + sizeof(mtype), count);
- tprints("}");
- }
- tprintf(", %lu, ", 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, long addr, unsigned long count, long msgtyp)
-{
- long mtype;
-
- if (syserror(tcp) || umove(tcp, addr, &mtype) < 0) {
- tprintf("%#lx", addr);
- } else {
- tprintf("{%lu, ", mtype);
- printstr(tcp, addr + sizeof(mtype), count);
- tprints("}");
- }
- tprintf(", %lu, %ld, ", count, 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(tcp, tcp->u_arg[3], &tmp) < 0) {
- tprintf("%#lx, %lu, ",
- tcp->u_arg[3], 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(struct tcb *tcp, long addr, unsigned long count)
-{
- unsigned long i, max_count;
-
- if (abbrev(tcp))
- max_count = (max_strlen < count) ? max_strlen : count;
- else
- max_count = count;
-
- if (!max_count) {
- tprintf("%#lx, %lu", addr, count);
- return;
- }
-
- for (i = 0; i < max_count; ++i) {
- struct sembuf sb;
- if (i)
- tprints(", ");
- if (umove(tcp, addr + i * sizeof(struct sembuf), &sb) < 0) {
- if (i) {
- tprints("{???}");
- break;
- } else {
- tprintf("%#lx, %lu", addr, count);
- return;
- }
- } else {
- if (!i)
- tprints("{");
- tprintf("{%u, %d, ", sb.sem_num, sb.sem_op);
- printflags(semop_flags, sb.sem_flg, "SEM_???");
- tprints("}");
- }
- }
-
- if (i < max_count || max_count < count)
- tprints(", ...");
-
- tprintf("}, %lu", count);
-}
-
-SYS_FUNC(semop)
-{
- tprintf("%lu, ", tcp->u_arg[0]);
- if (indirect_ipccall(tcp)) {
- tprint_sembuf(tcp, tcp->u_arg[3], tcp->u_arg[1]);
- } else {
- tprint_sembuf(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(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(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_???");
- tprintf(", %#lx", tcp->u_arg[indirect_ipccall(tcp) ? 3 : 2]);
- return RVAL_DECODED;
-}
-
-SYS_FUNC(shmat)
+SYS_FUNC(ipc)
{
- if (entering(tcp)) {
- tprintf("%lu", tcp->u_arg[0]);
- if (indirect_ipccall(tcp)) {
- tprintf(", %#lx, ", tcp->u_arg[3]);
- printflags(shm_flags, tcp->u_arg[1], "SHM_???");
- } else {
- tprintf(", %#lx, ", tcp->u_arg[1]);
- 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;
- }
-}
+ unsigned int call = tcp->u_arg[0];
+ unsigned int version = call >> 16;
+ call &= 0xffff;
-SYS_FUNC(shmdt)
-{
- tprintf("%#lx", tcp->u_arg[indirect_ipccall(tcp) ? 3 : 0]);
- return RVAL_DECODED;
-}
+ if (version)
+ tprintf("%u<<16|", version);
-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) {
-# ifndef HAVE_MQUEUE_H
- tprintf(", %lx", tcp->u_arg[2]);
-# else
- struct mq_attr attr;
- /* mode */
- tprintf(", %#lo, ", tcp->u_arg[2]);
- if (umove(tcp, tcp->u_arg[3], &attr) < 0)
- tprints("{???}");
- else
- tprintf("{mq_maxmsg=%ld, mq_msgsize=%ld}",
- (long) attr.mq_maxmsg,
- (long) attr.mq_msgsize);
-# endif
- }
- return RVAL_DECODED;
-}
+ printxval_u(ipccalls, call, NULL);
-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;
-}
+ unsigned int i;
+ for (i = 1; i < tcp->s_ent->nargs; ++i)
+ tprintf(", %#" PRI_klx, tcp->u_arg[i]);
-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, long addr)
-{
- if (addr == 0)
- tprints("NULL");
- else {
-# ifndef HAVE_MQUEUE_H
- tprintf("%#lx", addr);
-# else
- struct mq_attr attr;
- if (umove(tcp, addr, &attr) < 0) {
- tprints("{...}");
- 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;
-}