xref: /freebsd/lib/libsysdecode/mkioctls (revision 2fef18f836c6d1b45a6f2e0fc9b0da55e2b938e8)
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	find -H -s * -name '*.h' | \
21	egrep -v '(net/pfvar|net/if_pfsync)\.h' | \
22		xargs egrep -l \
23'^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO[^a-z0-9_]' |
24		awk '{printf("#include <%s>\\n", $1)}'
25)
26
27awk -v x="$ioctl_includes" 'BEGIN {print x}' |
28	$CPP -nostdinc -I$includedir -dM -DCOMPAT_43TTY - |
29	awk -v ioctl_includes="$ioctl_includes" '
30BEGIN {
31	print "/* XXX obnoxious prerequisites. */"
32	print "#define COMPAT_43"
33	print "#define COMPAT_43TTY"
34	print "#include <sys/param.h>"
35	print "#include <sys/devicestat.h>"
36	print "#include <sys/disklabel.h>"
37	print "#include <sys/socket.h>"
38	print "#include <sys/time.h>"
39	print "#include <sys/tty.h>"
40	print "#include <bsm/audit.h>"
41	print "#include <net/ethernet.h>"
42	print "#include <net/if.h>"
43	print "#ifdef PF"
44	print "#include <net/pfvar.h>"
45	print "#include <net/if_pfsync.h>"
46	print "#endif"
47	print "#include <net/route.h>"
48	print "#include <netinet/in.h>"
49	print "#include <netinet/ip_mroute.h>"
50	print "#include <netinet6/in6_var.h>"
51	print "#include <netinet6/nd6.h>"
52	print "#include <netinet6/ip6_mroute.h>"
53	print "#include <stdio.h>"
54	print "#include <cam/cam.h>"
55	print "#include <stdbool.h>"
56	print "#include <stddef.h>"
57	print "#include <stdint.h>"
58	print "#include <sysdecode.h>"
59	print ""
60	print ioctl_includes
61	print ""
62	print "const char *"
63	print "sysdecode_ioctlname(unsigned long val)"
64	print "{"
65	print "\tconst char *str = NULL;"
66	print ""
67}
68
69/^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO/ {
70
71	# find where the name starts
72	for (i = 1; i <= NF; i++)
73		if ($i ~ /define/)
74			break;
75	++i;
76	#
77	printf("\t");
78	if (n++ > 0)
79		printf("else ");
80	printf("if (val == %s)\n", $i);
81	printf("\t\tstr = \"%s\";\n", $i);
82}
83END {
84	print ""
85	print "\treturn (str);"
86	print "}"
87}
88'
89