lib/libc/arch/or1k/syscallargs.awk

   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
  30 BEGIN {
  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
  47 END {
  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 }