makelintstub revision 1.28 1 #!/bin/sh -
2 # $NetBSD: makelintstub,v 1.28 2024/01/20 14:52:49 christos Exp $
3 #
4 # Copyright (c) 1996, 1997 Christopher G. Demetriou
5 # All rights reserved.
6 #
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
9 # are met:
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
15 # 3. All advertising materials mentioning features or use of this software
16 # must display the following acknowledgement:
17 # This product includes software developed for the
18 # NetBSD Project. See http://www.NetBSD.org/ for
19 # information about NetBSD.
20 # 4. The name of the author may not be used to endorse or promote products
21 # derived from this software without specific prior written permission.
22 #
23 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #
34 # <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
35
36 usage()
37 {
38
39 cat << _EOF 1>&2
40 Usage: $PROG [-n|-p] [-o filename] [-s syscall.h] object ...
41 -n Create SYSCALL_NOERROR.
42 -p Create PSEUDO_NOERROR.
43 (also removes leading "_" on syscall name).
44 -o filename Output to filename.
45 -s syscall.h Header to #include instead of <sys/syscall.h>.
46
47 The CPP environment variable must be set
48 to the path to the C preprocessor.
49 _EOF
50 exit 1
51 }
52
53 header()
54 {
55
56 cat <<- __EOF__
57 /*
58 * THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT EDIT.
59 * It is generated by $PROG
60 */
61
62 #include <sys/param.h>
63 #include <sys/acl.h>
64 #include <sys/aio.h>
65 #include <sys/time.h>
66 #include <sys/mount.h>
67 #include <sys/stat.h>
68 #include <ufs/ufs/dinode.h>
69 #include <ufs/lfs/lfs.h>
70 #include <sys/resource.h>
71 #include <sys/poll.h>
72 #include <sys/uio.h>
73 #include <sys/ipc.h>
74 #include <sys/idtype.h>
75 #include <sys/lwpctl.h>
76 #include <sys/mqueue.h>
77 #include <sys/msg.h>
78 #include <sys/sem.h>
79 #include <sys/shm.h>
80 #include <sys/spawn.h>
81 #include <sys/sched.h>
82 #include <sys/timex.h>
83 #include <sys/socket.h>
84 #include <sys/event.h>
85 #include <sys/uuid.h>
86 #include <sys/quotactl.h>
87 #include <stdarg.h>
88 #include <unistd.h>
89 #include <stdlib.h>
90 #include <spawn.h>
91 #include <fcntl.h>
92
93 #include "extern.h"
94
95 __EOF__
96 }
97
98 syscall_stub()
99 {
100
101 syscalldump="$1"
102 syscallname="$2"
103 funcname="$3"
104
105 arglist="$(
106 sed -e 'ta
107 :a
108 s,^/\* syscall: \"'"$syscallname"'\" ,,
109 tb
110 d
111 :b
112 s, \*/$,,' $syscalldump
113 )"
114
115 eval set -f -- "$arglist"
116
117 if [ $# -lt 3 ]; then
118 echo syscall $syscallname not found! 1>&2
119 exit 1
120 fi
121
122 shift # kill "ret:"
123 returntype=$1; shift
124 shift # kill "args:"
125
126 cat <<- __EOF__
127 /*ARGSUSED*/
128 $returntype
129 __EOF__
130
131 # do ANSI C function header
132 echo "#ifdef __STDC__"
133
134 echo "$funcname("
135 first=true; i=1
136 for arg; do
137 if $first; then
138 first=false
139 else
140 echo ", "
141 fi
142 case "$arg" in
143 "...") echo "...";;
144 *) echo "$arg arg$i"; i=$(($i + 1));;
145 esac
146 done
147 if $first; then
148 echo "void"
149 fi
150 echo ")"
151
152 # do K&R C function header
153 echo "#else"
154
155 echo "$funcname("
156 first=true; i=1
157 for arg; do
158 if $first; then
159 first=false
160 else
161 echo ", "
162 fi
163 case "$arg" in
164 "...") echo "va_alist";;
165 *) echo "arg$i"; i=$(($i + 1));;
166 esac
167 done
168 echo ")"
169 i=1
170 for arg; do
171 case "$arg" in
172 "...") echo " va_dcl";;
173 *) echo " $arg arg$i;"; i=$(($i + 1));;
174 esac
175 done
176
177 # do function body
178 echo "#endif"
179
180 echo "{"
181 if [ "$returntype" != "void" ]; then
182 echo " return (($returntype)0);"
183 fi
184 echo "}"
185 }
186
187 trailer()
188 {
189
190 cat <<- __EOF__
191 /* END */
192 __EOF__
193 }
194
195
196 pflag=false
197 nflag=false
198 oarg=""
199 syscallhdr=/usr/include/sys/syscall.h
200 syscalldump=/tmp/makelintstub.$$
201 PROG="$(basename "$0")"
202
203 if [ -z "${CPP}" ]; then
204 usage
205 fi
206
207 while getopts no:ps: i
208 do
209 case "$i" in
210 n) nflag=true;;
211 o) oarg=$OPTARG;;
212 p) pflag=true;;
213 s) syscallhdr=$OPTARG;;
214 *) usage;;
215 esac
216 done
217
218 shift $(expr $OPTIND - 1)
219
220 if $pflag && $nflag
221 then
222 echo "$PROG: -n flag and -p flag may not be used together" 1>&2
223 usage
224 fi
225
226 if [ -n "$oarg" ]; then
227 exec > $oarg
228 fi
229
230 trap "rm -f $syscalldump" 0 1 2 3 15
231
232 header
233
234 echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump
235
236 for syscall; do
237 fnname=${syscall%.S}
238 if $pflag; then
239 scname=${fnname#_}
240 else
241 scname=$fnname
242 fi
243 syscall_stub $syscalldump $scname $fnname
244 echo ""
245 done
246
247 trailer
248
249 exit 0
250