diff options
Diffstat (limited to 'sys/kern/makedevops.sh')
| -rw-r--r-- | sys/kern/makedevops.sh | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/sys/kern/makedevops.sh b/sys/kern/makedevops.sh new file mode 100644 index 0000000..a5e9ebd --- /dev/null +++ b/sys/kern/makedevops.sh @@ -0,0 +1,232 @@ +#!/bin/sh - +# +# 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. +# +# From @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93 +# $Id: makedevops.sh,v 1.1 1998/06/14 13:53:12 dfr Exp $ +# + +# Script to produce device front-end sugar. +# +# usage: makedevops.sh srcfile +# +# These awk scripts are not particularly well written, specifically they +# don't use arrays well and figure out the same information repeatedly. +# Please rewrite them if you actually understand how to use awk. Note, +# they use nawk extensions and gawk's toupper. + +if [ $# -ne 2 ] ; then + echo 'usage: makedevops.sh [-c|-h] srcfile' + exit 1 +fi + +makec=0 +makeh=0 + +if [ "$1" = "-c" ]; then + makec=1 +fi + +if [ "$1" = "-h" ]; then + makeh=1 +fi + +# Name of the source file. +SRC=$2 + +# Names of the created files. +CTMP=ctmp$$ +HTMP=htmp$$ + +CFILE=`basename $SRC .m`.c +HFILE=`basename $SRC .m`.h + +# Awk program (must support nawk extensions and gawk's "toupper") +# Use "awk" at Berkeley, "gawk" elsewhere. +AWK=awk + +# Awk script to take file.do and turn it into file.h and file.c +$AWK " + BEGIN { + src = \"$SRC\"; + header = \"$HTMP\"; + cfile = \"$CTMP\"; + hfile = \"$HFILE\"; + "' + + printf("/*\n") > header; + printf(" * This file is produced automatically.\n") > header; + printf(" * Do not modify anything in here by hand.\n") > header; + printf(" *\n") > header; + printf(" * Created from %s with makedevops.sh\n", src) > header; + printf(" */\n\n") > header; + + printf("/*\n") > cfile; + printf(" * This file is produced automatically.\n") > cfile; + printf(" * Do not modify anything in here by hand.\n") > cfile; + printf(" *\n") > cfile; + printf(" * Created from %s with makedevops.sh\n", src) > cfile; + printf(" */\n\n") > cfile; + printf("#include <sys/param.h>\n") > cfile; + printf("#include <sys/queue.h>\n") > cfile; + printf("#include <sys/bus_private.h>\n") > cfile; + + methodcount = 0 + } + NF == 0 { + next; + } + /^#include/ { + print $0 > cfile; + } + /^#/ { + next; + } + /^INTERFACE/ { + intname = $2; + printf("#ifndef _%s_if_h_\n", intname) > header; + printf("#define _%s_if_h_\n\n", intname) > header; + printf("#include \"%s\"\n\n", hfile) > cfile; + } + /^METHOD/ { + # Get the function name and return type. + ret = ""; + sep = ""; + for (i = 2; i < NF - 1; i++) { + ret = sep $i; + sep = " "; + } + name = $i; + + # Get the function arguments. + for (c1 = 0;; ++c1) { + if (getline <= 0) + exit + if ($0 ~ "^};") + break; + a[c1] = $0; + } + + methods[methodcount++] = name; + + mname = intname "_" name; + umname = toupper(mname); + + # Print out the method declaration + printf("extern struct device_op_desc %s_desc;\n", mname) > header; + printf("%s %s(", ret, umname) > header; + sep = ", "; + for (c2 = 0; c2 < c1; ++c2) { + if (c2 == c1 - 1) + sep = " );\n"; + c3 = split(a[c2], t); + for (c4 = 0; c4 < c3; ++c4) + printf("%s ", t[c4]) > header; + beg = match(t[c3], "[^*]"); + end = match(t[c3], ";"); + printf("%s%s%s", + substr(t[c4], 0, beg - 1), + substr(t[c4], beg, end - beg), sep) > header; + } + + # Print the method desc + printf("struct device_op_desc %s_desc = {\n", mname) > cfile; + printf("\t0,\n") > cfile; + printf("\t\"%s\"\n", mname) > cfile; + printf("};\n\n") > cfile; + + # Print out the method typedef + printf("typedef %s %s_t(\n", ret, mname) > cfile; + sep = ",\n"; + for (c2 = 0; c2 < c1; ++c2) { + if (c2 == c1 - 1) + sep = ");\n"; + c3 = split(a[c2], t); + printf("\t") > cfile; + for (c4 = 0; c4 < c3; ++c4) + printf("%s ", t[c4]) > cfile; + beg = match(t[c3], "[^*]"); + end = match(t[c3], ";"); + printf("%s%s%s", + substr(t[c4], 0, beg - 1), + substr(t[c4], beg, end - beg), sep) > cfile; + } + + # Print out the method itself + printf("%s %s(\n", ret, umname) > cfile; + sep = ",\n"; + for (c2 = 0; c2 < c1; ++c2) { + if (c2 == c1 - 1) + sep = ")\n"; + c3 = split(a[c2], t); + printf("\t") > cfile; + for (c4 = 0; c4 < c3; ++c4) + printf("%s ", t[c4]) > cfile; + beg = match(t[c3], "[^*]"); + end = match(t[c3], ";"); + printf("%s%s%s", + substr(t[c4], 0, beg - 1), + substr(t[c4], beg, end - beg), sep) > cfile; + } + printf("{\n") > cfile; + printf("\t%s_t *m = (%s_t *) DEVOPMETH(dev, %s);\n", + mname, mname, mname) > cfile; + if (ret != "void") + printf("\treturn m(") > cfile; + else + printf("\tm(") > cfile; + sep = ", "; + for (c2 = 0; c2 < c1; ++c2) { + if (c2 == c1 - 1) + sep = ");\n"; + c3 = split(a[c2], t); + beg = match(t[c3], "[^*]"); + end = match(t[c3], ";"); + printf("%s%s", substr(t[c3], beg, end - beg), sep) > cfile; + } + printf("}\n\n") > cfile; + } + END { + printf("\n#endif /* _%s_if_h_ */\n", intname) > header; + }' < $SRC + +if [ $makec = 1 ]; then + mv $CTMP $CFILE +else + rm $CTMP +fi + +if [ $makeh = 1 ]; then + mv $HTMP $HFILE +else + rm $HTMP +fi |
