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 | |
Mike Frysinger | ba10a42 | 2015-10-31 00:47:53 -0400 | [diff] [blame] | 35 | #ifdef HAVE_SYS_SHM_H |
| 36 | # include <sys/shm.h> |
| 37 | #elif defined HAVE_LINUX_SHM_H |
| 38 | # include <linux/shm.h> |
| 39 | #endif |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 40 | |
| 41 | #include "xlat/shm_resource_flags.h" |
| 42 | #include "xlat/shm_flags.h" |
| 43 | |
| 44 | SYS_FUNC(shmget) |
| 45 | { |
| 46 | if (tcp->u_arg[0]) |
| 47 | tprintf("%#lx", tcp->u_arg[0]); |
| 48 | else |
| 49 | tprints("IPC_PRIVATE"); |
| 50 | tprintf(", %lu, ", tcp->u_arg[1]); |
| 51 | if (printflags(shm_resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0) |
| 52 | tprints("|"); |
| 53 | tprintf("%#lo", tcp->u_arg[2] & 0777); |
| 54 | return RVAL_DECODED; |
| 55 | } |
| 56 | |
| 57 | SYS_FUNC(shmat) |
| 58 | { |
| 59 | if (entering(tcp)) { |
| 60 | tprintf("%lu, ", tcp->u_arg[0]); |
| 61 | if (indirect_ipccall(tcp)) { |
| 62 | printaddr(tcp->u_arg[3]); |
| 63 | tprints(", "); |
| 64 | printflags(shm_flags, tcp->u_arg[1], "SHM_???"); |
| 65 | } else { |
| 66 | printaddr(tcp->u_arg[1]); |
| 67 | tprints(", "); |
| 68 | printflags(shm_flags, tcp->u_arg[2], "SHM_???"); |
| 69 | } |
| 70 | return 0; |
| 71 | } else { |
| 72 | if (syserror(tcp)) |
| 73 | return 0; |
| 74 | if (indirect_ipccall(tcp)) { |
| 75 | unsigned long raddr; |
| 76 | if (umove(tcp, tcp->u_arg[2], &raddr) < 0) |
| 77 | return RVAL_NONE; |
| 78 | tcp->u_rval = raddr; |
| 79 | } |
| 80 | return RVAL_HEX; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | SYS_FUNC(shmdt) |
| 85 | { |
| 86 | printaddr(tcp->u_arg[indirect_ipccall(tcp) ? 3 : 0]); |
| 87 | return RVAL_DECODED; |
| 88 | } |