8220416: Comparison of klass pointers is not optimized any more
Summary: Enables dead klass pointer optimization (since JDK-6964458) again.
Reviewed-by: roland, thartmann
#
# Copyright (c) 2015, 2018, 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).
#
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# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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# 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.
#
include JarArchive.gmk
include JavaCompilation.gmk
include Modules.gmk
include SetupJavaCompilers.gmk
################################################################################
# Hook to include the corresponding custom file, if present.
$(eval $(call IncludeCustomExtension, gendata/Gendata-jdk.compiler-pre.gmk))
# This is needed to properly setup DOCS_MODULES.
$(eval $(call ReadImportMetaData))
# Modules that should be visible for 9 - the documented modules:
CT_MODULES := $(DOCS_MODULES)
# Get the complete module source path:
CT_MODULESOURCEPATH := $(call GetModuleSrcPath)
CT_DATA_DESCRIPTION += $(TOPDIR)/make/data/symbols/symbols
COMPILECREATESYMBOLS_ADD_EXPORTS := \
--add-exports jdk.compiler.interim/com.sun.tools.javac.api=ALL-UNNAMED \
--add-exports jdk.compiler.interim/com.sun.tools.javac.code=ALL-UNNAMED \
--add-exports jdk.compiler.interim/com.sun.tools.javac.util=ALL-UNNAMED \
--add-exports jdk.compiler.interim/com.sun.tools.javac.jvm=ALL-UNNAMED \
#
$(eval $(call SetupJavaCompilation, COMPILE_CREATE_SYMBOLS, \
SETUP := GENERATE_OLDBYTECODE, \
SRC := $(TOPDIR)/make/langtools/src/classes \
$(TOPDIR)/src/jdk.jdeps/share/classes, \
INCLUDES := build/tools/symbolgenerator com/sun/tools/classfile, \
BIN := $(BUILDTOOLS_OUTPUTDIR)/create_symbols, \
ADD_JAVAC_FLAGS := $(INTERIM_LANGTOOLS_ARGS) \
$(COMPILECREATESYMBOLS_ADD_EXPORTS), \
))
$(SUPPORT_OUTPUTDIR)/symbols/ct.sym-files/_the.symbols: \
$(COMPILE_CREATE_SYMBOLS) \
$(wildcard $(TOPDIR)/make/data/symbols/*) \
$(MODULE_INFOS)
$(RM) -r $(@D)
$(MKDIR) -p $(@D)
$(ECHO) Creating ct.sym classes
$(JAVA_SMALL) $(INTERIM_LANGTOOLS_ARGS) \
$(COMPILECREATESYMBOLS_ADD_EXPORTS) \
-classpath $(BUILDTOOLS_OUTPUTDIR)/create_symbols \
build.tools.symbolgenerator.CreateSymbols \
build-ctsym \
$(CT_DATA_DESCRIPTION) \
$(@D)
$(JAVA_SMALL) $(INTERIM_LANGTOOLS_ARGS) \
$(COMPILECREATESYMBOLS_ADD_EXPORTS) \
-classpath $(BUILDTOOLS_OUTPUTDIR)/create_symbols \
build.tools.symbolgenerator.TransitiveDependencies \
$(@D) \
$(CT_MODULESOURCEPATH) \
$(CT_MODULES)
$(TOUCH) $@
# Can't generate ct.sym directly into modules libs as the SetupJarArchive macro
# creates meta data files in the output dir.
$(eval $(call SetupJarArchive, CREATE_CTSYM, \
DEPENDENCIES := $(SUPPORT_OUTPUTDIR)/symbols/ct.sym-files/_the.symbols, \
SRCS := $(SUPPORT_OUTPUTDIR)/symbols/ct.sym-files, \
SUFFIXES := .sig system-modules, \
JAR := $(SUPPORT_OUTPUTDIR)/symbols/ct.sym, \
))
# Copy ct.sym to the modules libs dir
$(eval $(call SetupCopyFiles, COPY_TO_LIBS, \
FILES := $(SUPPORT_OUTPUTDIR)/symbols/ct.sym, \
DEST := $(SUPPORT_OUTPUTDIR)/modules_libs/jdk.compiler, \
))
TARGETS += $(CREATE_CTSYM) $(COPY_TO_LIBS)
################################################################################