Branch data Line data Source code
1 : : /*
2 : : * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3 : : * Copyright (c) 2015-2017 The strace developers.
4 : : * All rights reserved.
5 : : *
6 : : * Redistribution and use in source and binary forms, with or without
7 : : * modification, are permitted provided that the following conditions
8 : : * are met:
9 : : * 1. Redistributions of source code must retain the above copyright
10 : : * notice, this list of conditions and the following disclaimer.
11 : : * 2. Redistributions in binary form must reproduce the above copyright
12 : : * notice, this list of conditions and the following disclaimer in the
13 : : * documentation and/or other materials provided with the distribution.
14 : : * 3. The name of the author may not be used to endorse or promote products
15 : : * derived from this software without specific prior written permission.
16 : : *
17 : : * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 : : * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 : : * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 : : * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 : : * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 : : * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 : : * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 : : * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 : : * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 : : * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 : : */
28 : :
29 : : #include "defs.h"
30 : : #include "xlat/kcmp_types.h"
31 : :
32 : 8 : SYS_FUNC(kcmp)
33 : : {
34 : 8 : pid_t pid1 = tcp->u_arg[0];
35 : 8 : pid_t pid2 = tcp->u_arg[1];
36 : 8 : int type = tcp->u_arg[2];
37 : 8 : kernel_ulong_t idx1 = tcp->u_arg[3];
38 : 8 : kernel_ulong_t idx2 = tcp->u_arg[4];
39 : :
40 : 8 : tprintf("%d, %d, ", pid1, pid2);
41 : 8 : printxval(kcmp_types, type, "KCMP_???");
42 : :
43 [ + + + ]: 8 : switch (type) {
44 : : case KCMP_FILE:
45 : 2 : tprintf(", %u, %u", (unsigned) idx1, (unsigned) idx2);
46 : 2 : break;
47 : : case KCMP_FILES:
48 : : case KCMP_FS:
49 : : case KCMP_IO:
50 : : case KCMP_SIGHAND:
51 : : case KCMP_SYSVSEM:
52 : : case KCMP_VM:
53 : : break;
54 : : default:
55 : 4 : tprintf(", %#" PRI_klx ", %#" PRI_klx, idx1, idx2);
56 : : }
57 : :
58 : 8 : return RVAL_DECODED;
59 : : }
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