1# $NetBSD: syscallargs.awk,v 1.1 2014/09/05 18:09:37 matt Exp $ 2# 3# Copyright (c) 2014 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# This code is derived from software contributed to The NetBSD Foundation 7# by Matt Thomas of 3am Software Foundry. 8# 9# Redistribution and use in source and binary forms, with or without 10# modification, are permitted provided that the following conditions 11# are met: 12# 1. Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# 2. Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 18# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29 30BEGIN { 31} 32 33/#define.SYS_MAXSYS.*/ { next; } 34 35/#define.SYS_.*/ { 36 x = substr($2, 5); 37 syscall[x] = "0"; 38} 39 40/^check_syscall_args/ { 41 l = length() - 20; 42 x = substr($0, 20, l); 43 y = gensub("sys_", "", 1, x); 44 syscall[y] = sprintf("sizeof(struct %s_args) / sizeof(register_t)", x); 45} 46 47END { 48 print "include <sys/types.h>" 49 print "include <sys/lwp.h>" 50 print "include <sys/ucontext.h>" 51 print "include <sys/syscallargs.h>" 52 print; 53 for (i in syscall) { 54 printf "define NSYSARGS_%s %s\n", i, syscall[i]; 55 } 56} 57