58 lines
1.5 KiB
C
58 lines
1.5 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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* Copyright (c) 2014-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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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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kernel_ulong_t local_iovcnt = tcp->u_arg[2];
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kernel_ulong_t remote_iovcnt = tcp->u_arg[4];
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kernel_ulong_t flags = 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(", %" PRI_klu ", ", 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(", %" PRI_klu ", %" PRI_klu, 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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kernel_ulong_t local_iovcnt = tcp->u_arg[2];
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kernel_ulong_t remote_iovcnt = tcp->u_arg[4];
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kernel_ulong_t flags = 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(", %" PRI_klu ", ", 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(", %" PRI_klu ", %" PRI_klu, remote_iovcnt, flags);
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return RVAL_DECODED;
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}
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