xref: /freebsd/lib/libsysdecode/mkioctls (revision d93a896e)
1#!/bin/sh
2#
3# $FreeBSD$
4
5set -e
6
7if [ $# -ne 1 ]; then
8	echo "usage: sh $0 include-dir"
9	exit 1
10fi
11
12includedir="$1"
13
14LC_ALL=C; export LC_ALL
15
16# Build a list of headers that have ioctls in them.
17# XXX should we use an ANSI cpp?
18ioctl_includes=$(
19	cd $includedir
20
21	filter='tee'
22	if [ "${MK_PF}" == "no" ]; then
23		filter='egrep -v (net/pfvar|net/if_pfsync)\.h'
24	fi
25
26	find -H -s * -name '*.h' | \
27		$filter | \
28		xargs egrep -l \
29'^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO[^a-z0-9_]' |
30		awk '{printf("#include <%s>\\n", $1)}'
31)
32
33awk -v x="$ioctl_includes" 'BEGIN {print x}' |
34	$CPP -nostdinc -I$includedir -dM -DCOMPAT_43TTY - |
35	awk -v ioctl_includes="$ioctl_includes" '
36BEGIN {
37	print "/* XXX obnoxious prerequisites. */"
38	print "#define COMPAT_43"
39	print "#define COMPAT_43TTY"
40	print "#include <sys/param.h>"
41	print "#include <sys/devicestat.h>"
42	print "#include <sys/disklabel.h>"
43	print "#include <sys/socket.h>"
44	print "#include <sys/time.h>"
45	print "#include <sys/tty.h>"
46	print "#include <bsm/audit.h>"
47	print "#include <net/ethernet.h>"
48	print "#include <net/if.h>"
49	print "#ifdef PF"
50	print "#include <net/pfvar.h>"
51	print "#include <net/if_pfsync.h>"
52	print "#endif"
53	print "#include <net/route.h>"
54	print "#include <netinet/in.h>"
55	print "#include <netinet/ip_mroute.h>"
56	print "#include <netinet6/in6_var.h>"
57	print "#include <netinet6/nd6.h>"
58	print "#include <netinet6/ip6_mroute.h>"
59	print "#include <stdio.h>"
60	print "#include <cam/cam.h>"
61	print "#include <stdbool.h>"
62	print "#include <stddef.h>"
63	print "#include <stdint.h>"
64	print "#include <sysdecode.h>"
65	print ""
66	print ioctl_includes
67	print ""
68	print "const char *"
69	print "sysdecode_ioctlname(unsigned long val)"
70	print "{"
71	print "\tconst char *str = NULL;"
72	print ""
73}
74
75/^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO/ {
76
77	# find where the name starts
78	for (i = 1; i <= NF; i++)
79		if ($i ~ /define/)
80			break;
81	++i;
82	#
83	printf("\t");
84	if (n++ > 0)
85		printf("else ");
86	printf("if (val == %s)\n", $i);
87	printf("\t\tstr = \"%s\";\n", $i);
88}
89END {
90	print ""
91	print "\treturn (str);"
92	print "}"
93}
94'
95