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/*
* Copyright (c) 2012 Denys Vlasenko <vda.linux@googlemail.com>
* Copyright (c) 2012-2015 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2014-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
SYS_FUNC(process_vm_readv)
{
if (entering(tcp)) {
/* arg 1: pid */
printpid(tcp, tcp->u_arg[0], PT_TGID);
tprint_arg_next();
} else {
kernel_ulong_t local_iovcnt = tcp->u_arg[2];
kernel_ulong_t remote_iovcnt = tcp->u_arg[4];
kernel_ulong_t flags = tcp->u_arg[5];
/* arg 2: local iov */
tprint_iov_upto(tcp, local_iovcnt, tcp->u_arg[1], tcp->u_rval,
syserror(tcp) ? iov_decode_addr
: iov_decode_str,
NULL);
tprint_arg_next();
/* arg 3: local iovcnt */
PRINT_VAL_U(local_iovcnt);
tprint_arg_next();
/* arg 4: remote iov */
tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3], iov_decode_addr);
tprint_arg_next();
/* arg 5: remote iovcnt */
PRINT_VAL_U(remote_iovcnt);
tprint_arg_next();
/* arg 6: flags */
PRINT_VAL_U(flags);
}
return 0;
}
SYS_FUNC(process_vm_writev)
{
kernel_ulong_t local_iovcnt = tcp->u_arg[2];
kernel_ulong_t remote_iovcnt = tcp->u_arg[4];
kernel_ulong_t flags = tcp->u_arg[5];
/* arg 1: pid */
printpid(tcp, tcp->u_arg[0], PT_TGID);
tprint_arg_next();
/* arg 2: local iov */
tprint_iov(tcp, local_iovcnt, tcp->u_arg[1], iov_decode_str);
tprint_arg_next();
/* arg 3: local iovcnt */
PRINT_VAL_U(local_iovcnt);
tprint_arg_next();
/* arg 4: remote iov */
tprint_iov(tcp, remote_iovcnt, tcp->u_arg[3], iov_decode_addr);
tprint_arg_next();
/* arg 5: remote iovcnt */
PRINT_VAL_U(remote_iovcnt);
tprint_arg_next();
/* arg 6: flags */
PRINT_VAL_U(flags);
return RVAL_DECODED;
}
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