1 /* 2 * Copyright (c) 2012 Denys Vlasenko <vda.linux (at) googlemail.com> 3 * Copyright (c) 2012-2015 Dmitry V. Levin <ldv (at) altlinux.org> 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 31 SYS_FUNC(process_vm_readv) 32 { 33 if (entering(tcp)) { 34 /* arg 1: pid */ 35 tprintf("%d, ", (int) tcp->u_arg[0]); 36 } else { 37 kernel_ulong_t local_iovcnt = tcp->u_arg[2]; 38 kernel_ulong_t remote_iovcnt = tcp->u_arg[4]; 39 kernel_ulong_t flags = tcp->u_arg[5]; 40 41 /* arg 2: local iov */ 42 tprint_iov_upto(tcp, local_iovcnt, tcp->u_arg[1], 43 syserror(tcp) ? IOV_DECODE_ADDR : IOV_DECODE_STR, 44 tcp->u_rval); 45 /* arg 3: local iovcnt */ 46 tprintf(", %" PRI_klu ", ", local_iovcnt); 47 /* arg 4: remote iov */ 48 tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3], 49 IOV_DECODE_ADDR); 50 /* arg 5: remote iovcnt */ 51 /* arg 6: flags */ 52 tprintf(", %" PRI_klu ", %" PRI_klu, remote_iovcnt, flags); 53 } 54 return 0; 55 } 56 57 SYS_FUNC(process_vm_writev) 58 { 59 kernel_ulong_t local_iovcnt = tcp->u_arg[2]; 60 kernel_ulong_t remote_iovcnt = tcp->u_arg[4]; 61 kernel_ulong_t flags = tcp->u_arg[5]; 62 63 /* arg 1: pid */ 64 tprintf("%d, ", (int) tcp->u_arg[0]); 65 /* arg 2: local iov */ 66 tprint_iov(tcp, local_iovcnt, tcp->u_arg[1], IOV_DECODE_STR); 67 /* arg 3: local iovcnt */ 68 tprintf(", %" PRI_klu ", ", local_iovcnt); 69 /* arg 4: remote iov */ 70 tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3], IOV_DECODE_ADDR); 71 /* arg 5: remote iovcnt */ 72 /* arg 6: flags */ 73 tprintf(", %" PRI_klu ", %" PRI_klu, remote_iovcnt, flags); 74 75 return RVAL_DECODED; 76 } 77
