1 /* 2 * Copyright (c) 2015 Dmitry V. Levin <ldv (at) 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 SYS_FUNC(kcmp) 33 { 34 pid_t pid1 = tcp->u_arg[0]; 35 pid_t pid2 = tcp->u_arg[1]; 36 int type = tcp->u_arg[2]; 37 kernel_ulong_t idx1 = tcp->u_arg[3]; 38 kernel_ulong_t idx2 = tcp->u_arg[4]; 39 40 tprintf("%d, %d, ", pid1, pid2); 41 printxval(kcmp_types, type, "KCMP_???"); 42 43 switch (type) { 44 case KCMP_FILE: 45 tprintf(", %u, %u", (unsigned) idx1, (unsigned) idx2); 46 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 tprintf(", %#" PRI_klx ", %#" PRI_klx, idx1, idx2); 56 } 57 58 return RVAL_DECODED; 59 } 60
