[apple/xnu.git] / bsd / vfs / vnode_if.sh

#!/bin/sh -
copyright='
/*
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved
 * Copyright (c) 1992, 1993, 1994, 1995
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
'
SCRIPT_ID='@(#)vnode_if.sh	8.7 (Berkeley) 5/11/95'

# Script to produce VFS front-end sugar.
#
# usage: vnode_if.sh srcfile
#	(where srcfile is currently bsd/vfs/vnode_if.src)
#

if [ $# -ne 1 ] ; then
	echo 'usage: vnode_if.sh srcfile'
	exit 1
fi

# Name of the source file.
src=$1

# Names of the created files.
out_c=vnode_if.c
out_h=vnode_if.h

# Awk program (must support nawk extensions)
# Use "awk" at Berkeley, "nawk" or "gawk" elsewhere.
awk=${AWK:-awk}
#awk=${AWK:-gawk}

# Does this awk have a "toupper" function? (i.e. is it GNU awk)
isgawk=`$awk 'BEGIN { print toupper("true"); exit; }' 2>/dev/null`

# If this awk does not define "toupper" then define our own.
if [ "$isgawk" = TRUE ] ; then
	# GNU awk provides it.
	toupper=
else
	# Provide our own toupper()
	toupper='
function toupper(str) {
	_toupper_cmd = "echo "str" |tr a-z A-Z"
	_toupper_cmd | getline _toupper_str;
	close(_toupper_cmd);
	return _toupper_str;
}'
fi

#
# This is the common part of all awk programs that read $src
# This parses the input for one function into the arrays:
#	argdir, argtype, argname, willrele
# and calls "doit()" to generate output for the function.
#
# Input to this parser is pre-processed slightly by sed
# so this awk parser doesn't have to work so hard.  The
# changes done by the sed pre-processing step are:
#	insert a space beween * and pointer name
#	replace semicolons with spaces
#
sed_prep='s:\*\([^\*/]\):\* \1:g
s/;/ /'
awk_parser='
# Comment line
/^#/	{ next; }
# First line of description
/^vop_/	{
	name=$1;
	argc=0;
	ubc=$3;
	next;
}
# Last line of description
/^}/	{
	doit();
	next;
}
# Middle lines of description
{
	argdir[argc] = $1; i=2;
	if ($2 == "WILLRELE") {
		willrele[argc] = 1;
		i++;
	} else
		willrele[argc] = 0;
	argtype[argc] = $i; i++;
	while (i < NF) {
		argtype[argc] = argtype[argc]" "$i;
		i++;
	}
	argname[argc] = $i;
	argc++;
	next;
}
'

# This is put after the copyright on each generated file.
warning="
/*
 * Warning: This file is generated automatically.
 * (Modifications made here may easily be lost!)
 *
 * Created by the script:
 *	${SCRIPT_ID}
 */
"

# Get rid of ugly spaces
space_elim='s:\([^/]\*\) :\1:g'

#
# Redirect stdout to the H file.
#
echo "$0: Creating $out_h" 1>&2
exec > $out_h

# Begin stuff
echo "$copyright"
echo "$warning"
echo '
#ifndef _SYS_VNODE_IF_H_
#define _SYS_VNODE_IF_H_

#include <sys/appleapiopts.h>
#include <sys/ubc.h>

#ifdef __APPLE_API_UNSTABLE
extern struct vnodeop_desc vop_default_desc;
'

# Body stuff
# This awk program needs toupper() so define it if necessary.
sed -e "$sed_prep" $src | $awk "$toupper"'
function doit() {
	# Declare arg struct, descriptor.
	printf("\nstruct %s_args {\n", name);
	printf("\tstruct vnodeop_desc * a_desc;\n");
	for (i=0; i<argc; i++) {
		printf("\t%s a_%s;\n", argtype[i], argname[i]);
	}
	printf("};\n");
	printf("extern struct vnodeop_desc %s_desc;\n", name);
	# Define inline function.
	printf("#define %s(", toupper(name));
	for (i=0; i<argc; i++) {
		printf("%s", argname[i]);
		if (i < (argc-1)) printf(", ");
	}
	printf(") _%s(", toupper(name));
	for (i=0; i<argc; i++) {
		printf("%s", argname[i]);
		if (i < (argc-1)) printf(", ");
	}
	printf(")\n");
	printf("static __inline int _%s(", toupper(name));
	for (i=0; i<argc; i++) {
		# generate ANSI protoypes now, hurrah!
		printf("%s _%s", argtype[i], argname[i]);
		if (i < (argc-1)) printf(", ");
	}
	printf(")\n");
	printf("{\n\tstruct %s_args a;\n", name);
	printf("\ta.a_desc = VDESC(%s);\n", name);
	for (i=0; i<argc; i++) {
		printf("\ta.a_%s = _%s;\n", argname[i], argname[i]);
	}
	if (toupper(ubc) == "UBC") {
		printf("\t{\n\t\t" \
			"int _err;\n\t\t"   \
			"_err = VCALL(_%s%s, VOFFSET(%s), &a);\n\t\t"    \
			"return (_err);\n\t}\n}\n",
			argname[0], argname[0], arg0special, name, argname[0]);
	} else {
		printf("\treturn (VCALL(_%s%s, VOFFSET(%s), &a));\n}\n",
			argname[0], arg0special, name);
	}
}
BEGIN	{
	arg0special="";
}
END	{
	printf("\n/* Special cases: */\n#include <sys/buf.h>\n#include <sys/vm.h>\n");
	argc=1;
	argtype[0]="struct buf *";
	argname[0]="bp";
	arg0special="->b_vp";
	name="vop_strategy";
	doit();
	name="VNOP_BWRITE";
	doit();
}
'"$awk_parser" | sed -e "$space_elim"

# End stuff
echo '
/* End of special cases. */

#endif /* __APPLE_API_UNSTABLE */
#endif /* !_SYS_VNODE_IF_H_ */'

#
# Redirect stdout to the C file.
#
echo "$0: Creating $out_c" 1>&2
exec > $out_c

# Begin stuff
echo "$copyright"
echo "$warning"
echo '
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/vm.h>
#include <sys/vnode.h>

struct vnodeop_desc vop_default_desc = {
	0,
	"default",
	0,
	NULL,
	VDESC_NO_OFFSET,
	VDESC_NO_OFFSET,
	VDESC_NO_OFFSET,
	VDESC_NO_OFFSET,
	NULL,
};
'

# Body stuff
sed -e "$sed_prep" $src | $awk '
function do_offset(typematch) {
	for (i=0; i<argc; i++) {
		if (argtype[i] == typematch) {
			printf("\tVOPARG_OFFSETOF(struct %s_args, a_%s),\n",
				name, argname[i]);
			return i;
		};
	};
	print "\tVDESC_NO_OFFSET,";
	return -1;
}

function doit() {
	# Define offsets array
	printf("\nint %s_vp_offsets[] = {\n", name);
	for (i=0; i<argc; i++) {
		if (argtype[i] == "struct vnode *") {
			printf ("\tVOPARG_OFFSETOF(struct %s_args,a_%s),\n",
				name, argname[i]);
		}
	}
	print "\tVDESC_NO_OFFSET";
	print "};";
	# Define F_desc
	printf("struct vnodeop_desc %s_desc = {\n", name);
	# offset
	printf ("\t0,\n");
	# printable name
	printf ("\t\"%s\",\n", name);
	# flags
	printf("\t0");
	vpnum = 0;
	for (i=0; i<argc; i++) {
		if (match(argtype[i], "struct vnode *") == 1) {
			if (willrele[i]) {
				if (argdir[i] ~ /OUT/) {
					printf(" | VDESC_VPP_WILLRELE");
				} else {
					printf(" | VDESC_VP%s_WILLRELE", vpnum);
				};
			}
		vpnum++;
		}
	}
	print ",";
	# vp offsets
	printf ("\t%s_vp_offsets,\n", name);
	# vpp (if any)
	do_offset("struct vnode **");
	# cred (if any)
	do_offset("kauth_credential_t");
	# proc (if any)
	do_offset("struct proc *");
	# componentname
	do_offset("struct componentname *");
	# transport layer information
	printf ("\tNULL,\n};\n");
}
END	{
	printf("\n/* Special cases: */\n");
	argc=1;
	argdir[0]="IN";
	argtype[0]="struct buf *";
	argname[0]="bp";
	willrele[0]=0;
	name="vop_strategy";
	doit();
	name="VNOP_BWRITE";
	doit();
}
'"$awk_parser" | sed -e "$space_elim"

# End stuff
echo '
/* End of special cases. */'

# Add the vfs_op_descs array to the C file.
# Begin stuff
echo '
struct vnodeop_desc *vfs_op_descs[] = {
	&vop_default_desc,	/* MUST BE FIRST */
	&vop_strategy_desc,	/* XXX: SPECIAL CASE */
	&VNOP_BWRITE_desc,	/* XXX: SPECIAL CASE */
'

# Body stuff
sed -e "$sed_prep" $src | $awk '
function doit() {
	printf("\t&%s_desc,\n", name);
}
'"$awk_parser"

# End stuff
echo '	NULL
};
'

exit 0

# Local Variables:
# tab-width: 4
# End:
Commit	Line	Data
1c79356b A	1	#!/bin/sh -
	2	copyright='
	3	/*
5d5c5d0d A	4	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	5	*
21362eb3	6	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	7	*
8f6c56a5 A	8	* The contents of this file constitute Original Code as defined in and
	9	* are subject to the Apple Public Source License Version 1.1 (the
	10	* "License"). You may not use this file except in compliance with the
	11	* License. Please obtain a copy of the License at
	12	* http://www.apple.com/publicsource and read it before using this file.
	13	*
	14	* This Original Code and all software distributed under the License are
	15	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License.
	21	*
21362eb3	22	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	23	*/
	24	/*
	25	* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved
	26	* Copyright (c) 1992, 1993, 1994, 1995
	27	* The Regents of the University of California. All rights reserved.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*/
	57	'
	58	SCRIPT_ID='@(#)vnode_if.sh 8.7 (Berkeley) 5/11/95'
	59
	60	# Script to produce VFS front-end sugar.
	61	#
	62	# usage: vnode_if.sh srcfile
	63	# (where srcfile is currently bsd/vfs/vnode_if.src)
	64	#
	65
	66	if [ $# -ne 1 ] ; then
	67	echo 'usage: vnode_if.sh srcfile'
	68	exit 1
	69	fi
	70
	71	# Name of the source file.
	72	src=$1
	73
	74	# Names of the created files.
	75	out_c=vnode_if.c
	76	out_h=vnode_if.h
	77
	78	# Awk program (must support nawk extensions)
	79	# Use "awk" at Berkeley, "nawk" or "gawk" elsewhere.
	80	awk=${AWK:-awk}
	81	#awk=${AWK:-gawk}
	82
	83	# Does this awk have a "toupper" function? (i.e. is it GNU awk)
	84	isgawk=`$awk 'BEGIN { print toupper("true"); exit; }' 2>/dev/null`
	85
	86	# If this awk does not define "toupper" then define our own.
87	if [ "$isgawk" = TRUE ] ; then
88	# GNU awk provides it.
89	toupper=
90	else
91	# Provide our own toupper()
92	toupper='
93	function toupper(str) {
94	_toupper_cmd = "echo "str" \|tr a-z A-Z"
95	_toupper_cmd \| getline _toupper_str;
96	close(_toupper_cmd);
97	return _toupper_str;
98	}'
99	fi
100
101	#
102	# This is the common part of all awk programs that read $src
103	# This parses the input for one function into the arrays:
104	# argdir, argtype, argname, willrele
105	# and calls "doit()" to generate output for the function.
106	#
107	# Input to this parser is pre-processed slightly by sed
108	# so this awk parser doesn't have to work so hard. The
109	# changes done by the sed pre-processing step are:
110	# insert a space beween * and pointer name
111	# replace semicolons with spaces
112	#
113	sed_prep='s:\\([^\/]\):\* \1:g
114	s/;/ /'
115	awk_parser='
116	# Comment line
117	/^#/ { next; }
118	# First line of description
119	/^vop_/ {
120	name=$1;
121	argc=0;
122	ubc=$3;
123	next;
124	}
125	# Last line of description
126	/^}/ {
127	doit();
128	next;
129	}
130	# Middle lines of description
131	{
132	argdir[argc] = $1; i=2;
133	if ($2 == "WILLRELE") {
134	willrele[argc] = 1;
135	i++;
136	} else
137	willrele[argc] = 0;
138	argtype[argc] = $i; i++;
139	while (i < NF) {
140	argtype[argc] = argtype[argc]" "$i;
141	i++;
142	}
143	argname[argc] = $i;
144	argc++;
145	next;
146	}
147	'
148
149	# This is put after the copyright on each generated file.
150	warning="
151	/*
152	* Warning: This file is generated automatically.
153	* (Modifications made here may easily be lost!)
154	*
155	* Created by the script:
156	* ${SCRIPT_ID}
157	*/
158	"
159
160	# Get rid of ugly spaces
161	space_elim='s:\([^/]\*\) :\1:g'
162
163	#
164	# Redirect stdout to the H file.
165	#
166	echo "$0: Creating $out_h" 1>&2
167	exec > $out_h
168
169	# Begin stuff
170	echo "$copyright"
171	echo "$warning"
172	echo '
9bccf70c A	173	#ifndef _SYS_VNODE_IF_H_
9bccf70c A	174	#define _SYS_VNODE_IF_H_
1c79356b	175
9bccf70c	176	#include <sys/appleapiopts.h>
91447636	177	#include <sys/ubc.h>
9bccf70c A	178
9bccf70c A	179	#ifdef __APPLE_API_UNSTABLE
1c79356b A	180	extern struct vnodeop_desc vop_default_desc;
	181	'
	182
	183	# Body stuff
	184	# This awk program needs toupper() so define it if necessary.
	185	sed -e "$sed_prep" $src \| $awk "$toupper"'
	186	function doit() {
	187	# Declare arg struct, descriptor.
	188	printf("\nstruct %s_args {\n", name);
	189	printf("\tstruct vnodeop_desc * a_desc;\n");
	190	for (i=0; i<argc; i++) {
	191	printf("\t%s a_%s;\n", argtype[i], argname[i]);
	192	}
	193	printf("};\n");
	194	printf("extern struct vnodeop_desc %s_desc;\n", name);
	195	# Define inline function.
	196	printf("#define %s(", toupper(name));
	197	for (i=0; i<argc; i++) {
	198	printf("%s", argname[i]);
	199	if (i < (argc-1)) printf(", ");
	200	}
	201	printf(") _%s(", toupper(name));
	202	for (i=0; i<argc; i++) {
	203	printf("%s", argname[i]);
	204	if (i < (argc-1)) printf(", ");
	205	}
	206	printf(")\n");
	207	printf("static __inline int _%s(", toupper(name));
	208	for (i=0; i<argc; i++) {
	209	# generate ANSI protoypes now, hurrah!
91447636	210	printf("%s _%s", argtype[i], argname[i]);
1c79356b A	211	if (i < (argc-1)) printf(", ");
	212	}
	213	printf(")\n");
	214	printf("{\n\tstruct %s_args a;\n", name);
	215	printf("\ta.a_desc = VDESC(%s);\n", name);
	216	for (i=0; i<argc; i++) {
91447636	217	printf("\ta.a_%s = _%s;\n", argname[i], argname[i]);
1c79356b A	218	}
1c79356b A	219	if (toupper(ubc) == "UBC") {
91447636 A	220	printf("\t{\n\t\t" \
	221	"int _err;\n\t\t" \
	222	"_err = VCALL(_%s%s, VOFFSET(%s), &a);\n\t\t" \
1c79356b A	223	"return (_err);\n\t}\n}\n",
	224	argname[0], argname[0], arg0special, name, argname[0]);
	225	} else {
91447636	226	printf("\treturn (VCALL(_%s%s, VOFFSET(%s), &a));\n}\n",
1c79356b A	227	argname[0], arg0special, name);
	228	}
	229	}
	230	BEGIN {
	231	arg0special="";
	232	}
	233	END {
	234	printf("\n/* Special cases: */\n#include <sys/buf.h>\n#include <sys/vm.h>\n");
	235	argc=1;
	236	argtype[0]="struct buf *";
	237	argname[0]="bp";
	238	arg0special="->b_vp";
	239	name="vop_strategy";
	240	doit();
91447636	241	name="VNOP_BWRITE";
1c79356b A	242	doit();
	243	}
	244	'"$awk_parser" \| sed -e "$space_elim"
	245
	246	# End stuff
	247	echo '
	248	/* End of special cases. */
	249
9bccf70c A	250	#endif /* __APPLE_API_UNSTABLE */
9bccf70c A	251	#endif /* !_SYS_VNODE_IF_H_ */'
1c79356b A	252
	253	#
	254	# Redirect stdout to the C file.
	255	#
	256	echo "$0: Creating $out_c" 1>&2
	257	exec > $out_c
	258
	259	# Begin stuff
	260	echo "$copyright"
	261	echo "$warning"
	262	echo '
	263	#include <sys/param.h>
	264	#include <sys/mount.h>
	265	#include <sys/vm.h>
	266	#include <sys/vnode.h>
	267
	268	struct vnodeop_desc vop_default_desc = {
	269	0,
	270	"default",
	271	0,
	272	NULL,
	273	VDESC_NO_OFFSET,
	274	VDESC_NO_OFFSET,
	275	VDESC_NO_OFFSET,
	276	VDESC_NO_OFFSET,
	277	NULL,
	278	};
	279	'
	280
	281	# Body stuff
	282	sed -e "$sed_prep" $src \| $awk '
	283	function do_offset(typematch) {
	284	for (i=0; i<argc; i++) {
	285	if (argtype[i] == typematch) {
	286	printf("\tVOPARG_OFFSETOF(struct %s_args, a_%s),\n",
	287	name, argname[i]);
	288	return i;
	289	};
	290	};
	291	print "\tVDESC_NO_OFFSET,";
	292	return -1;
	293	}
	294
	295	function doit() {
	296	# Define offsets array
	297	printf("\nint %s_vp_offsets[] = {\n", name);
	298	for (i=0; i<argc; i++) {
	299	if (argtype[i] == "struct vnode *") {
	300	printf ("\tVOPARG_OFFSETOF(struct %s_args,a_%s),\n",
	301	name, argname[i]);
	302	}
	303	}
	304	print "\tVDESC_NO_OFFSET";
	305	print "};";
	306	# Define F_desc
	307	printf("struct vnodeop_desc %s_desc = {\n", name);
	308	# offset
	309	printf ("\t0,\n");
	310	# printable name
	311	printf ("\t\"%s\",\n", name);
	312	# flags
	313	printf("\t0");
	314	vpnum = 0;
	315	for (i=0; i<argc; i++) {
55e303ae A	316	if (match(argtype[i], "struct vnode *") == 1) {
	317	if (willrele[i]) {
	318	if (argdir[i] ~ /OUT/) {
	319	printf(" \| VDESC_VPP_WILLRELE");
	320	} else {
	321	printf(" \| VDESC_VP%s_WILLRELE", vpnum);
	322	};
	323	}
	324	vpnum++;
1c79356b A	325	}
	326	}
	327	print ",";
	328	# vp offsets
	329	printf ("\t%s_vp_offsets,\n", name);
	330	# vpp (if any)
	331	do_offset("struct vnode **");
	332	# cred (if any)
91447636	333	do_offset("kauth_credential_t");
1c79356b A	334	# proc (if any)
	335	do_offset("struct proc *");
	336	# componentname
	337	do_offset("struct componentname *");
	338	# transport layer information
	339	printf ("\tNULL,\n};\n");
	340	}
	341	END {
	342	printf("\n/* Special cases: */\n");
	343	argc=1;
	344	argdir[0]="IN";
	345	argtype[0]="struct buf *";
	346	argname[0]="bp";
	347	willrele[0]=0;
	348	name="vop_strategy";
	349	doit();
91447636	350	name="VNOP_BWRITE";
1c79356b A	351	doit();
	352	}
	353	'"$awk_parser" \| sed -e "$space_elim"
	354
	355	# End stuff
	356	echo '
	357	/* End of special cases. */'
	358
	359	# Add the vfs_op_descs array to the C file.
	360	# Begin stuff
	361	echo '
	362	struct vnodeop_desc *vfs_op_descs[] = {
	363	&vop_default_desc, /* MUST BE FIRST */
	364	&vop_strategy_desc, /* XXX: SPECIAL CASE */
91447636	365	&VNOP_BWRITE_desc, /* XXX: SPECIAL CASE */
1c79356b A	366	'
	367
	368	# Body stuff
	369	sed -e "$sed_prep" $src \| $awk '
	370	function doit() {
	371	printf("\t&%s_desc,\n", name);
	372	}
	373	'"$awk_parser"
	374
	375	# End stuff
	376	echo ' NULL
	377	};
	378	'
	379
	380	exit 0
	381
	382	# Local Variables:
	383	# tab-width: 4
	384	# End: