mkioctls revision 281143 
1#!/bin/sh
2#
3# $FreeBSD: head/usr.bin/kdump/mkioctls 281143 2015-04-06 09:42:23Z glebius $
4#
5# When editing this script, keep in mind that truss also uses it.
6#
7
8set -e
9
10if [ $# -ne 2 -o \( $1 != "print" -a $1 != "return" \) ]; then
11	echo "usage: sh $0 print|return include-dir"
12	exit 1
13fi
14
15style="$1"
16includedir="$2"
17
18LC_ALL=C; export LC_ALL
19
20# Build a list of headers that have ioctls in them.
21# XXX should we use an ANSI cpp?
22ioctl_includes=$(
23	cd $includedir
24	find -H -s * -name '*.h' | \
25	egrep -v '(.*disk.*|net/pfvar|net/if_pfsync)\.h' | \
26		xargs egrep -l \
27'^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO[^a-z0-9_]' |
28		awk '{printf("#include <%s>\\n", $1)}'
29)
30
31: ${MACHINE=$(uname -m)}
32case "${MACHINE}" in
33*pc98*)
34	ioctl_includes="$ioctl_includes#include <sys/diskpc98.h>\\n"
35	;;
36*)
37	ioctl_includes="$ioctl_includes#include <sys/diskmbr.h>\\n"
38	;;
39esac
40
41awk -v x="$ioctl_includes" 'BEGIN {print x}' |
42	$CPP -I$1 -dM -DCOMPAT_43TTY - |
43	awk -v ioctl_includes="$ioctl_includes" -v style="$style" '
44BEGIN {
45	print "/* XXX obnoxious prerequisites. */"
46	print "#define COMPAT_43"
47	print "#define COMPAT_43TTY"
48	print "#include <sys/param.h>"
49	print "#include <sys/devicestat.h>"
50	print "#include <sys/disklabel.h>"
51	print "#include <sys/socket.h>"
52	print "#include <sys/time.h>"
53	print "#include <sys/tty.h>"
54	print "#include <bsm/audit.h>"
55	print "#include <net/ethernet.h>"
56	print "#include <net/if.h>"
57	print "#ifdef PF"
58	print "#include <net/pfvar.h>"
59	print "#include <net/if_pfsync.h>"
60	print "#endif"
61	print "#include <net/route.h>"
62	print "#include <netinet/in.h>"
63	print "#include <netinet/ip_mroute.h>"
64	print "#include <netinet6/in6_var.h>"
65	print "#include <netinet6/nd6.h>"
66	print "#include <netinet6/ip6_mroute.h>"
67	print "#include <stdio.h>"
68	print "#include <cam/cam.h>"
69	print "#include <stddef.h>"
70	print "#include <stdint.h>"
71	print ""
72	print ioctl_includes
73	print ""
74	if (style == "print") {
75		print "void ioctlname(unsigned long val, int decimal);"
76		print ""
77		print "void"
78		print "ioctlname(unsigned long val, int decimal)"
79	} else {
80		print "const char *ioctlname(unsigned long val);"
81		print ""
82		print "const char *"
83		print "ioctlname(unsigned long val)"
84	}
85	print "{"
86	print "\tconst char *str = NULL;"
87	print ""
88}
89
90/^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO/ {
91
92	# find where the name starts
93	for (i = 1; i <= NF; i++)
94		if ($i ~ /define/)
95			break;
96	++i;
97	#
98	printf("\t");
99	if (n++ > 0)
100		printf("else ");
101	printf("if (val == %s)\n", $i);
102	printf("\t\tstr = \"%s\";\n", $i);
103}
104END {
105	print ""
106	if (style == "print") {
107		print "\tif (str != NULL)"
108		print "\t\tprintf(\"%s\", str);"
109		print "\telse if (decimal)"
110		print "\t\tprintf(\"%lu\", val);"
111		print "\telse"
112		print "\t\tprintf(\"%#lx\", val);"
113	} else {
114		print "\treturn (str);"
115	}
116	print "}"
117}
118'
119