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