xref: /src/usr.bin/kdump/mksiginfos

#!/bin/sh -
#	$NetBSD: mksiginfos,v 1.6 2021/09/11 20:28:06 andvar Exp $
#
# Copyright (c) 2003 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Christos Zoulas.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# allow AWK to be overridden
: ${AWK:=awk}

$AWK '
BEGIN {
	print "/* Automatically generated file; do not edit */";
	print "#include <stdio.h>";
	print "#include <signal.h>";
	print "#ifndef SIGCLD";
	print "#define SIGCLD SIGCHLD";
	print "#endif /* SIGCLD */";
	print "#ifndef SIGPOLL";
	print "#define SIGPOLL SIGIO";
	print "#endif /* SIGPOLL */";
	print "const char *siginfocodename(int signo, int code);\n";
	print "static char number[64];\n";
	print "const char *siginfocodename(int signo, int code) {\n";
}
/^#[ 	]*define[ 	]*(ILL|FPE|SEGV|BUS|TRAP|CLD)_[A-Z]*[ 	]*/ {
	
	# find where the name starts
	for (i = 1; i <= NF; i++)
		if ($i ~ /define/)
			break;
	++i;
	split($i, sig, "_");
	printf("\tif (signo == SIG%s && code == %s)\n\t\treturn \"%s\";\n",
	    sig[1], $i, $i);
}
END {
	print "\n\tsnprintf(number, sizeof(number), \"[%d]\", code);\n";
	print "\n\treturn number;"
	print "}";
}
' $DESTDIR/usr/include/sys/siginfo.h