5fbb3d299d
* process_vm.c (SYS_FUNC(process_vm_readv), SYS_FUNC(process_vm_writev)): Use widen_to_ulong for local_iovcnt, renote_iovcnt, and flags parameters.
77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*
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* Copyright (c) 2012 Denys Vlasenko <vda.linux@googlemail.com>
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* Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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SYS_FUNC(process_vm_readv)
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{
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if (entering(tcp)) {
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/* arg 1: pid */
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tprintf("%d, ", (int) tcp->u_arg[0]);
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} else {
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unsigned long local_iovcnt = widen_to_ulong(tcp->u_arg[2]);
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unsigned long remote_iovcnt = widen_to_ulong(tcp->u_arg[4]);
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unsigned long flags = widen_to_ulong(tcp->u_arg[5]);
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/* arg 2: local iov */
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tprint_iov_upto(tcp, local_iovcnt, tcp->u_arg[1],
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syserror(tcp) ? IOV_DECODE_ADDR : IOV_DECODE_STR,
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tcp->u_rval);
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/* arg 3: local iovcnt */
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tprintf(", %lu, ", local_iovcnt);
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/* arg 4: remote iov */
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tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3],
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IOV_DECODE_ADDR);
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/* arg 5: remote iovcnt */
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/* arg 6: flags */
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tprintf(", %lu, %lu", remote_iovcnt, flags);
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}
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return 0;
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}
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SYS_FUNC(process_vm_writev)
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{
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unsigned long local_iovcnt = widen_to_ulong(tcp->u_arg[2]);
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unsigned long remote_iovcnt = widen_to_ulong(tcp->u_arg[4]);
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unsigned long flags = widen_to_ulong(tcp->u_arg[5]);
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/* arg 1: pid */
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tprintf("%d, ", (int) tcp->u_arg[0]);
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/* arg 2: local iov */
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tprint_iov(tcp, local_iovcnt, tcp->u_arg[1], IOV_DECODE_STR);
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/* arg 3: local iovcnt */
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tprintf(", %lu, ", local_iovcnt);
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/* arg 4: remote iov */
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tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3], IOV_DECODE_ADDR);
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/* arg 5: remote iovcnt */
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/* arg 6: flags */
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tprintf(", %lu, %lu", remote_iovcnt, flags);
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return RVAL_DECODED;
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}
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