Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de> |
| 3 | * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> |
| 4 | * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com> |
| 5 | * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> |
| 6 | * Copyright (c) 2003-2006 Roland McGrath <roland@redhat.com> |
| 7 | * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org> |
| 8 | * All rights reserved. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * 3. The name of the author may not be used to endorse or promote products |
| 19 | * derived from this software without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 26 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 30 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include "defs.h" |
| 34 | #include "ipc_defs.h" |
| 35 | |
Mike Frysinger | ba10a42 | 2015-10-31 00:47:53 -0400 | [diff] [blame] | 36 | #ifdef HAVE_SYS_SEM_H |
| 37 | # include <sys/sem.h> |
| 38 | #elif defined HAVE_LINUX_SEM_H |
| 39 | # include <linux/sem.h> |
| 40 | #endif |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 41 | |
| 42 | #include "xlat/semctl_flags.h" |
| 43 | #include "xlat/semop_flags.h" |
| 44 | |
Mike Frysinger | ba10a42 | 2015-10-31 00:47:53 -0400 | [diff] [blame] | 45 | #if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H |
Dmitry V. Levin | 0bae800 | 2016-05-07 22:56:59 +0000 | [diff] [blame] | 46 | static bool |
| 47 | print_sembuf(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data) |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 48 | { |
Dmitry V. Levin | 0bae800 | 2016-05-07 22:56:59 +0000 | [diff] [blame] | 49 | const struct sembuf *sb = elem_buf; |
| 50 | |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 51 | tprintf("{%u, %d, ", sb->sem_num, sb->sem_op); |
Dmitry V. Levin | 977aee8 | 2016-05-16 22:00:46 +0000 | [diff] [blame] | 52 | printflags(semop_flags, (unsigned short) sb->sem_flg, "SEM_???"); |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 53 | tprints("}"); |
Dmitry V. Levin | 0bae800 | 2016-05-07 22:56:59 +0000 | [diff] [blame] | 54 | |
| 55 | return true; |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 56 | } |
Mike Frysinger | ba10a42 | 2015-10-31 00:47:53 -0400 | [diff] [blame] | 57 | #endif |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 58 | |
| 59 | static void |
| 60 | tprint_sembuf_array(struct tcb *tcp, const long addr, const unsigned long count) |
| 61 | { |
Mike Frysinger | ba10a42 | 2015-10-31 00:47:53 -0400 | [diff] [blame] | 62 | #if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 63 | struct sembuf sb; |
Dmitry V. Levin | 0bae800 | 2016-05-07 22:56:59 +0000 | [diff] [blame] | 64 | print_array(tcp, addr, count, &sb, sizeof(sb), |
| 65 | umoven_or_printaddr, print_sembuf, 0); |
Mike Frysinger | ba10a42 | 2015-10-31 00:47:53 -0400 | [diff] [blame] | 66 | #else |
| 67 | printaddr(addr); |
| 68 | #endif |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 69 | tprintf(", %lu", count); |
| 70 | } |
| 71 | |
| 72 | SYS_FUNC(semop) |
| 73 | { |
| 74 | tprintf("%lu, ", tcp->u_arg[0]); |
| 75 | if (indirect_ipccall(tcp)) { |
| 76 | tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]); |
| 77 | } else { |
| 78 | tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 79 | } |
| 80 | return RVAL_DECODED; |
| 81 | } |
| 82 | |
| 83 | SYS_FUNC(semtimedop) |
| 84 | { |
| 85 | tprintf("%lu, ", tcp->u_arg[0]); |
| 86 | if (indirect_ipccall(tcp)) { |
| 87 | tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]); |
| 88 | tprints(", "); |
| 89 | #if defined(S390) || defined(S390X) |
Dmitry V. Levin | 5938526 | 2015-09-18 15:16:11 +0000 | [diff] [blame] | 90 | print_timespec(tcp, tcp->u_arg[2]); |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 91 | #else |
Dmitry V. Levin | 5938526 | 2015-09-18 15:16:11 +0000 | [diff] [blame] | 92 | print_timespec(tcp, tcp->u_arg[4]); |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 93 | #endif |
| 94 | } else { |
| 95 | tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| 96 | tprints(", "); |
Dmitry V. Levin | 5938526 | 2015-09-18 15:16:11 +0000 | [diff] [blame] | 97 | print_timespec(tcp, tcp->u_arg[3]); |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 98 | } |
| 99 | return RVAL_DECODED; |
| 100 | } |
| 101 | |
| 102 | SYS_FUNC(semget) |
| 103 | { |
| 104 | if (tcp->u_arg[0]) |
| 105 | tprintf("%#lx", tcp->u_arg[0]); |
| 106 | else |
| 107 | tprints("IPC_PRIVATE"); |
| 108 | tprintf(", %lu, ", tcp->u_arg[1]); |
| 109 | if (printflags(resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0) |
| 110 | tprints("|"); |
| 111 | tprintf("%#lo", tcp->u_arg[2] & 0777); |
| 112 | return RVAL_DECODED; |
| 113 | } |
| 114 | |
| 115 | SYS_FUNC(semctl) |
| 116 | { |
| 117 | tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); |
| 118 | PRINTCTL(semctl_flags, tcp->u_arg[2], "SEM_???"); |
| 119 | tprints(", "); |
| 120 | if (indirect_ipccall(tcp)) { |
| 121 | printnum_ptr(tcp, tcp->u_arg[3]); |
| 122 | } else { |
| 123 | tprintf("%#lx", tcp->u_arg[3]); |
| 124 | } |
| 125 | return RVAL_DECODED; |
| 126 | } |