Branch data Line data Source code
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 : :
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
41 : :
42 : : #include "xlat/semctl_flags.h"
43 : : #include "xlat/semop_flags.h"
44 : :
45 : : #if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H
46 : : static bool
47 : 36 : print_sembuf(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
48 : : {
49 : 36 : const struct sembuf *sb = elem_buf;
50 : :
51 : 36 : tprintf("{%u, %d, ", sb->sem_num, sb->sem_op);
52 : 36 : printflags(semop_flags, (unsigned short) sb->sem_flg, "SEM_???");
53 : 36 : tprints("}");
54 : :
55 : 36 : return true;
56 : : }
57 : : #endif
58 : :
59 : : static void
60 : 60 : tprint_sembuf_array(struct tcb *const tcp, const kernel_ulong_t addr,
61 : : const unsigned int count)
62 : : {
63 : : #if defined HAVE_SYS_SEM_H || defined HAVE_LINUX_SEM_H
64 : : struct sembuf sb;
65 : 60 : print_array(tcp, addr, count, &sb, sizeof(sb),
66 : : umoven_or_printaddr, print_sembuf, 0);
67 : : #else
68 : : printaddr(addr);
69 : : #endif
70 : 60 : tprintf(", %u", count);
71 : 60 : }
72 : :
73 : 30 : SYS_FUNC(semop)
74 : : {
75 : 30 : tprintf("%d, ", (int) tcp->u_arg[0]);
76 [ + + ]: 30 : if (indirect_ipccall(tcp)) {
77 : 5 : tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]);
78 : : } else {
79 : 25 : tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
80 : : }
81 : 30 : return RVAL_DECODED;
82 : : }
83 : :
84 : 30 : SYS_FUNC(semtimedop)
85 : : {
86 : 30 : tprintf("%d, ", (int) tcp->u_arg[0]);
87 [ + + ]: 30 : if (indirect_ipccall(tcp)) {
88 : 5 : tprint_sembuf_array(tcp, tcp->u_arg[3], tcp->u_arg[1]);
89 : 5 : tprints(", ");
90 : : #if defined(S390) || defined(S390X)
91 : : print_timespec(tcp, tcp->u_arg[2]);
92 : : #else
93 : 5 : print_timespec(tcp, tcp->u_arg[4]);
94 : : #endif
95 : : } else {
96 : 25 : tprint_sembuf_array(tcp, tcp->u_arg[1], tcp->u_arg[2]);
97 : 25 : tprints(", ");
98 : 25 : print_timespec(tcp, tcp->u_arg[3]);
99 : : }
100 : 30 : return RVAL_DECODED;
101 : : }
102 : :
103 : 12 : SYS_FUNC(semget)
104 : : {
105 : 12 : const int key = (int) tcp->u_arg[0];
106 [ + + ]: 12 : if (key)
107 : 6 : tprintf("%#x", key);
108 : : else
109 : 6 : tprints("IPC_PRIVATE");
110 : 12 : tprintf(", %d, ", (int) tcp->u_arg[1]);
111 [ + + ]: 12 : if (printflags(resource_flags, tcp->u_arg[2] & ~0777, NULL) != 0)
112 : 6 : tprints("|");
113 : 12 : print_numeric_umode_t(tcp->u_arg[2] & 0777);
114 : 12 : return RVAL_DECODED;
115 : : }
116 : :
117 : 32 : SYS_FUNC(semctl)
118 : : {
119 : 32 : tprintf("%d, %d, ", (int) tcp->u_arg[0], (int) tcp->u_arg[1]);
120 [ + + ]: 32 : PRINTCTL(semctl_flags, tcp->u_arg[2], "SEM_???");
121 : 32 : tprints(", ");
122 [ + + ]: 32 : if (indirect_ipccall(tcp)
123 : : #ifdef SPARC64
124 : : && current_personality != 0
125 : : #endif
126 : : ) {
127 : 7 : printnum_ptr(tcp, tcp->u_arg[3]);
128 : : } else {
129 : 25 : printaddr(tcp->u_arg[3]);
130 : : }
131 : 32 : return RVAL_DECODED;
132 : : }
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