--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/gensrc/GensrcCharsetCoder.gmk	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,107 @@
+#
+# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+GENSRC_CHARSETCODER :=
+
+GENSRC_CHARSETCODER_DST := $(SUPPORT_OUTPUTDIR)/gensrc/java.base/java/nio/charset
+
+GENSRC_CHARSETCODER_SRC := $(JDK_TOPDIR)/src/java.base/share/classes/java/nio
+
+GENSRC_CHARSETCODER_TEMPLATE := $(GENSRC_CHARSETCODER_SRC)/charset/Charset-X-Coder.java.template
+
+################################################################################
+
+$(GENSRC_CHARSETCODER_DST)/CharsetDecoder.java: $(GENSRC_CHARSETCODER_TEMPLATE)
+	$(MKDIR) -p $(@D)
+	-$(RM) $@.tmp
+	$(TOOL_SPP) < $< >$@.tmp \
+	    -Kdecoder \
+	    -DA='A' \
+	    -Da='a' \
+	    -DCode='Decode' \
+	    -Dcode='decode' \
+	    -DitypesPhrase='bytes in a specific charset' \
+	    -DotypesPhrase='sixteen-bit Unicode characters' \
+	    -Ditype='byte' \
+	    -Dotype='character' \
+	    -DItype='Byte' \
+	    -DOtype='Char' \
+	    -Dcoder='decoder' \
+	    -DCoder='Decoder' \
+	    -Dcoding='decoding' \
+	    -DOtherCoder='Encoder' \
+	    -DreplTypeName='string' \
+	    -DdefaultRepl='"\\uFFFD"' \
+	    -DdefaultReplName='<code>"\&#92;uFFFD"<\/code>' \
+	    -DreplType='String' \
+	    -DreplFQType='java.lang.String' \
+	    -DreplLength='length()' \
+	    -DItypesPerOtype='CharsPerByte' \
+	    -DnotLegal='not legal for this charset' \
+	    -Dotypes-per-itype='chars-per-byte' \
+	    -DoutSequence='Unicode character'
+	$(MV) $@.tmp $@
+
+GENSRC_CHARSETCODER += $(GENSRC_CHARSETCODER_DST)/CharsetDecoder.java
+
+################################################################################
+
+$(GENSRC_CHARSETCODER_DST)/CharsetEncoder.java: $(GENSRC_CHARSETCODER_TEMPLATE)
+	$(MKDIR) -p $(@D)
+	-$(RM) $@.tmp
+	$(TOOL_SPP) < $< >$@.tmp \
+	    -Kencoder \
+	    -DA='An' \
+	    -Da='an' \
+	    -DCode='Encode' \
+	    -Dcode='encode' \
+	    -DitypesPhrase='sixteen-bit Unicode characters' \
+	    -DotypesPhrase='bytes in a specific charset' \
+	    -Ditype='character' \
+	    -Dotype='byte' \
+	    -DItype='Char' \
+	    -DOtype='Byte' \
+	    -Dcoder='encoder' \
+	    -DCoder='Encoder' \
+	    -Dcoding='encoding' \
+	    -DOtherCoder='Decoder' \
+	    -DreplTypeName='byte array' \
+	    -DdefaultRepl='new byte[] { (byte)'"'"\\?"'"' }' \
+	    -DdefaultReplName='<code>{<\/code>\&nbsp;<code>(byte)'"'"\\?"'"'<\/code>\&nbsp;<code>}<\/code>' \
+	    -DreplType='byte[]' \
+	    -DreplFQType='byte[]' \
+	    -DreplLength='length' \
+	    -DItypesPerOtype='BytesPerChar' \
+	    -DnotLegal='not a legal sixteen-bit Unicode sequence' \
+	    -Dotypes-per-itype='bytes-per-char' \
+	    -DoutSequence='byte sequence in the given charset'
+	$(MV) $@.tmp $@
+
+GENSRC_CHARSETCODER += $(GENSRC_CHARSETCODER_DST)/CharsetEncoder.java
+GENSRC_JAVA_BASE += $(GENSRC_CHARSETCODER)
+
+################################################################################
+
+$(GENSRC_CHARSETCODER): $(BUILD_TOOLS_JDK)