mksysnum_freebsd.pl

Documentation: syscall

     1#!/usr/bin/env perl
     2# Copyright 2009 The Go Authors. All rights reserved.
     3# Use of this source code is governed by a BSD-style
     4# license that can be found in the LICENSE file.
     5#
     6# Generate system call table for FreeBSD from master list
     7# (for example, /usr/src/sys/kern/syscalls.master).
     8
     9use strict;
    10
    11my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);
    12
    13print <<EOF;
    14// $command
    15// Code generated by the command above; DO NOT EDIT.
    16
    17package syscall
    18
    19const (
    20EOF
    21
    22while(<>){
    23	if(/^([0-9]+)\s+\S+\s+STD\s+({ \S+\s+(\w+).*)$/){
    24		my $num = $1;
    25		my $proto = $2;
    26		my $name = "SYS_$3";
    27		$name =~ y/a-z/A-Z/;
    28
    29		# There are multiple entries for enosys and nosys, so comment them out.
    30		if($name =~ /^SYS_E?NOSYS$/){
    31			$name = "// $name";
    32		}
    33		if($name eq 'SYS_SYS_EXIT'){
    34			$name = 'SYS_EXIT';
    35		}
    36		if($name =~ /^SYS_CAP_+/ || $name =~ /^SYS___CAP_+/){
    37			next
    38		}
    39
    40		print "	$name = $num;  // $proto\n";
    41
    42		# We keep Capsicum syscall numbers for FreeBSD
    43		# 9-STABLE here because we are not sure whether they
    44		# are mature and stable.
    45		if($num == 513){
    46			print " SYS_CAP_NEW = 514 // { int cap_new(int fd, uint64_t rights); }\n";
    47			print " SYS_CAP_GETRIGHTS = 515 // { int cap_getrights(int fd, \\\n";
    48			print " SYS_CAP_ENTER = 516 // { int cap_enter(void); }\n";
    49			print " SYS_CAP_GETMODE = 517 // { int cap_getmode(u_int *modep); }\n";
    50		}
    51	}
    52}
    53
    54print <<EOF;
    55)
    56EOF
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