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authorPeter Wemm <peter@FreeBSD.org>1999-12-29 05:37:14 +0000
committerPeter Wemm <peter@FreeBSD.org>1999-12-29 05:37:14 +0000
commit8b70d192e3a4b97ce74489693577a4a2bc00c221 (patch)
tree686eed957af3ee571380cd792aa9004c892290e8
parent6f4159efe4771938650c7616d31977707a8a3d11 (diff)
Notes
-rw-r--r--sys/kern/vnode_if.sh354
1 files changed, 0 insertions, 354 deletions
diff --git a/sys/kern/vnode_if.sh b/sys/kern/vnode_if.sh
deleted file mode 100644
index f8675cd1d71d..000000000000
--- a/sys/kern/vnode_if.sh
+++ /dev/null
@@ -1,354 +0,0 @@
-#!/usr/bin/perl
-eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
- if $running_under_some_shell;
-
-#
-# Copyright (c) 1992, 1993
-# 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.
-#
-# @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
-# $FreeBSD$
-#
-# Script to produce VFS front-end sugar.
-#
-# usage: vnode_if.sh srcfile
-# (where srcfile is currently /sys/kern/vnode_if.src)
-#
-
-my %lockdata;
-
-$cfile = 0;
-$hfile = 0;
-
-# Process the command line
-#
-while ($arg = shift @ARGV) {
- if ($arg eq '-c') {
- $cfile = 1;
- } elsif ($arg eq '-h') {
- $hfile = 1;
- } elsif ($arg eq '-ch' || $arg eq '-hc') {
- $cfile = 1;
- $hfile = 1;
- } elsif ($arg =~ m/\.src$/) {
- $SRC = $arg;
- } else {
- print "usage: vnode_if.sh [-c] [-h] srcfile\n";
- exit(1);
- }
-}
-if (!$cfile and !$hfile) {
- exit(0); # nothing asked for..
-}
-
-# Names of the created files.
-$CFILE='vnode_if.c';
-$HEADER='vnode_if.h';
-
-open(SRC, "<$SRC") || die "Unable to open input file";
-
-if ($hfile) {
- open(HEADER, ">$HEADER") || die "Unable to create $HEADER";
- # Print out header information for vnode_if.h.
- print HEADER <<END_OF_LEADING_COMMENT
-/*
- * This file is produced automatically.
- * Do not modify anything in here by hand.
- *
- * Created from @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
- */
-
-extern struct vnodeop_desc vop_default_desc;
-END_OF_LEADING_COMMENT
- ;
-}
-
-if ($cfile) {
- open(CFILE, ">$CFILE") || die "Unable to create $CFILE";
- # Print out header information for vnode_if.c.
- print CFILE <<END_OF_LEADING_COMMENT
-/*
- * This file is produced automatically.
- * Do not modify anything in here by hand.
- *
- * Created from @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
- */
-
-#include <sys/param.h>
-#include <sys/vnode.h>
-
-struct vnodeop_desc vop_default_desc = {
- 1, /* special case, vop_default => 1 */
- "default",
- 0,
- NULL,
- VDESC_NO_OFFSET,
- VDESC_NO_OFFSET,
- VDESC_NO_OFFSET,
- VDESC_NO_OFFSET,
- NULL,
-};
-
-END_OF_LEADING_COMMENT
- ;
-}
-
-line: while (<SRC>) {
- chop; # strip record separator
- @Fld = split ' ';
- if (@Fld == 0) {
- next line;
- }
- if (/^#/) {
- if (!/^#%\s+([a-z]+)\s+([a-z]+)\s+(.)\s(.)\s(.)/) {
- next;
- }
- if (!defined($lockdata{"vop_$1"})) {
- $lockdata{"vop_$1"} = {};
- }
- $lockdata{"vop_$1"}->{$2} = {
- 'Entry' => $3,
- 'OK' => $4,
- 'Error' => $5,
- };
- next;
- }
-
- # Get the function name.
- $name = $Fld[0];
- $uname = uc($name);
-
- # Get the function arguments.
- for ($numargs = 0; ; ++$numargs) {
- if ($ln = <SRC>) {
- chomp;
- } else {
- die "Unable to read through the arguments for \"$name\"";
- }
- if ($ln =~ /^\};/) {
- last;
- }
- # For the header file
- $a{$numargs} = $ln;
-
- # The rest of this loop is for the C file
- # Delete comments, if any.
- $ln =~ s/\/\*.*\*\///g;
-
- # Delete leading/trailing space.
- $ln =~ s/^\s*(.*?)\s*$/$1/;
-
- # Pick off direction.
- if ($ln =~ s/^INOUT\s+//) {
- $dir = 'INOUT';
- } elsif ($ln =~ s/^IN\s+//) {
- $dir = 'IN';
- } elsif ($ln =~ s/^OUT\s+//) {
- $dir = 'OUT';
- } else {
- die "No IN/OUT direction for \"$ln\".";
- }
- if ($ln =~ s/^WILLRELE\s+//) {
- $rele = 'WILLRELE';
- } else {
- $rele = 'WONTRELE';
- }
-
- # kill trailing ;
- if ($ln !~ s/;$//) {
- &bail("Missing end-of-line ; in \"$ln\".");
- }
-
- # pick off variable name
- if ($ln !~ s/([A-Za-z0-9_]+)$//) {
- &bail("Missing var name \"a_foo\" in \"$ln\".");
- }
- $arg = $1;
-
- # what is left must be type
- # (put clean it up some)
- $type = $ln;
- # condense whitespace
- $type =~ s/\s+/ /g;
- $type =~ s/^\s*(.*?)\s*$/$1/;
-
- $dirs{$numargs} = $dir;
- $reles{$numargs} = $rele;
- $types{$numargs} = $type;
- $args{$numargs} = $arg;
- }
-
- if ($hfile) {
- # Print out the vop_F_args structure.
- print HEADER "struct ${name}_args {\n\tstruct vnodeop_desc *a_desc;\n";
- for ($c2 = 0; $c2 < $numargs; ++$c2) {
- $a{$c2} =~ /^\s*(INOUT|OUT|IN)(\s+WILLRELE)?\s+(.*?)\s+(\**)(\S*\;)/;
- print HEADER "\t$3 $4a_$5\n",
- }
- print HEADER "};\n";
-
- # Print out extern declaration.
- print HEADER "extern struct vnodeop_desc ${name}_desc;\n";
-
- # Print out prototype.
- print HEADER "static __inline int ${uname} __P((\n";
- for ($c2 = 0; $c2 < $numargs; ++$c2) {
- $a{$c2} =~ /^\s*(INOUT|OUT|IN)(\s+WILLRELE)?\s+(.*?)\s+(\**\S*)\;/;
- print HEADER "\t$3 $4" .
- ($c2 < $numargs-1 ? "," : "));") . "\n";
- }
-
- # Print out function.
- print HEADER "static __inline int ${uname}(";
- for ($c2 = 0; $c2 < $numargs; ++$c2) {
- $a{$c2} =~ /\**([^;\s]*)\;[^\s]*$/;
- print HEADER "$1" . ($c2 < $numargs - 1 ? ', ' : ")\n");
- }
- for ($c2 = 0; $c2 < $numargs; ++$c2) {
- $a{$c2} =~ /^\s*(INOUT|OUT|IN)(\s+WILLRELE)?\s+(.*?)\s+(\**\S*\;)/;
- print HEADER "\t$3 $4\n";
- }
- print HEADER "{\n\tstruct ${name}_args a;\n";
- print HEADER "\tint rc;\n";
- print HEADER "\ta.a_desc = VDESC(${name});\n";
- for ($c2 = 0; $c2 < $numargs; ++$c2) {
- $a{$c2} =~ /(\**)([^;\s]*)([^\s]*)$/;
- print HEADER "\ta.a_$2 = $2$3\n",
- }
- for ($c2 = 0; $c2 < $numargs; ++$c2) {
- if (!exists($args{$c2})) {
- die "Internal error";
- }
- if (exists($lockdata{$name}) &&
- exists($lockdata{$name}->{$args{$c2}})) {
- if ($ENV{'DEBUG_ALL_VFS_LOCKS'} =~ /yes/i) {
- # Add assertions for locking
- if ($lockdata{$name}->{$args{$c2}}->{Entry} eq "L") {
- print HEADER
- "\tASSERT_VOP_LOCKED($args{$c2}, \"$uname\");\n";
- } elsif ($lockdata{$name}->{$args{$c2}}->{Entry} eq "U") {
- print HEADER
- "\tASSERT_VOP_UNLOCKED($args{$c2}, \"$uname\");\n";
- } elsif (0) {
- # XXX More checks!
- }
- }
- }
- }
- $a{0} =~ /\s\**([^;\s]*);/;
- print HEADER "\trc = VCALL($1, VOFFSET(${name}), &a);\n";
- print HEADER "\treturn (rc);\n";
- print HEADER "}\n";
- }
-
-
- if ($cfile) {
- # Print out the vop_F_vp_offsets structure. This all depends
- # on naming conventions and nothing else.
- printf CFILE "static int %s_vp_offsets[] = {\n", $name;
- # as a side effect, figure out the releflags
- $releflags = '';
- $vpnum = 0;
- for ($i = 0; $i < $numargs; $i++) {
- if ($types{$i} eq 'struct vnode *') {
- printf CFILE "\tVOPARG_OFFSETOF(struct %s_args,a_%s),\n",
- $name, $args{$i};
- if ($reles{$i} eq 'WILLRELE') {
- $releflags = $releflags . '|VDESC_VP' . $vpnum . '_WILLRELE';
- }
-
- $vpnum++;
- }
- }
-
- $releflags =~ s/^\|//;
- print CFILE "\tVDESC_NO_OFFSET\n";
- print CFILE "};\n";
-
- # Print out the vnodeop_desc structure.
- print CFILE "struct vnodeop_desc ${name}_desc = {\n";
- # offset
- print CFILE "\t0,\n";
- # printable name
- printf CFILE "\t\"%s\",\n", $name;
- # flags
- $vppwillrele = '';
- for ($i = 0; $i < $numargs; $i++) {
- if ($types{$i} eq 'struct vnode **' &&
- ($reles{$i} eq 'WILLRELE')) {
- $vppwillrele = '|VDESC_VPP_WILLRELE';
- }
- }
-
- if ($releflags eq '') {
- printf CFILE "\t0%s,\n", $vppwillrele;
- }
- else {
- printf CFILE "\t%s%s,\n", $releflags, $vppwillrele;
- }
-
- # vp offsets
- printf CFILE "\t%s_vp_offsets,\n", $name;
- # vpp (if any)
- printf CFILE "\t%s,\n", &find_arg_with_type('struct vnode **');
- # cred (if any)
- printf CFILE "\t%s,\n", &find_arg_with_type('struct ucred *');
- # proc (if any)
- printf CFILE "\t%s,\n", &find_arg_with_type('struct proc *');
- # componentname
- printf CFILE "\t%s,\n", &find_arg_with_type('struct componentname *');
- # transport layer information
- print CFILE "\tNULL,\n};\n\n";
- }
-}
-
-if ($hfile) {
- close(HEADER) || die "Unable to close $HEADER";
-}
-if ($cfile) {
- close(CFILE) || die "Unable to close $CFILE";
-}
-close(SRC) || die;
-
-exit 0;
-
-sub find_arg_with_type {
- my $type = shift;
- my $i;
-
- for ($i=0; $i < $numargs; $i++) {
- if ($types{$i} eq $type) {
- return "VOPARG_OFFSETOF(struct ${name}_args,a_" . $args{$i} . ")";
- }
- }
-
- return "VDESC_NO_OFFSET";
-}