mkioctls revision 263086 
1#!/bin/sh
2#
3# $FreeBSD: stable/10/usr.bin/kdump/mkioctls 263086 2014-03-12 10:45:58Z 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="$style" '
44BEGIN {
45	print "/* XXX obnoxious prerequisites. */"
46	print "#define COMPAT_43"
47	print "#define COMPAT_43TTY"
48	print "#include <sys/param.h>"
49	print "#include <sys/devicestat.h>"
50	print "#include <sys/disklabel.h>"
51	print "#include <sys/socket.h>"
52	print "#include <sys/time.h>"
53	print "#include <sys/tty.h>"
54	print "#include <bsm/audit.h>"
55	print "#include <net/ethernet.h>"
56	print "#include <net/if.h>"
57	print "#include <net/if_var.h>"
58	print "#ifdef PF"
59	print "#include <net/pfvar.h>"
60	print "#include <net/if_pfsync.h>"
61	print "#endif"
62	print "#include <net/route.h>"
63	print "#include <netinet/in.h>"
64	print "#include <netinet/ip_mroute.h>"
65	print "#include <netinet6/in6_var.h>"
66	print "#include <netinet6/nd6.h>"
67	print "#include <netinet6/ip6_mroute.h>"
68	print "#include <stdio.h>"
69	print "#include <cam/cam.h>"
70	print "#include <stddef.h>"
71	print "#include <stdint.h>"
72	print ""
73	print ioctl_includes
74	print ""
75	if (style == "print") {
76		print "void ioctlname(unsigned long val, int decimal);"
77		print ""
78		print "void"
79		print "ioctlname(unsigned long val, int decimal)"
80	} else {
81		print "const char *ioctlname(unsigned long val);"
82		print ""
83		print "const char *"
84		print "ioctlname(unsigned long val)"
85	}
86	print "{"
87	print "\tconst char *str = NULL;"
88	print ""
89}
90
91/^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO/ {
92
93	# find where the name starts
94	for (i = 1; i <= NF; i++)
95		if ($i ~ /define/)
96			break;
97	++i;
98	#
99	printf("\t");
100	if (n++ > 0)
101		printf("else ");
102	printf("if (val == %s)\n", $i);
103	printf("\t\tstr = \"%s\";\n", $i);
104}
105END {
106	print ""
107	if (style == "print") {
108		print "\tif (str != NULL)"
109		print "\t\tprintf(\"%s\", str);"
110		print "\telse if (decimal)"
111		print "\t\tprintf(\"%lu\", val);"
112		print "\telse"
113		print "\t\tprintf(\"%#lx\", val);"
114	} else {
115		print "\treturn (str);"
116	}
117	print "}"
118}
119'
120