8166948: Exploded image too slow to be usable

Reviewed-by: alanb, mchung, ihse

make/ExplodedImageOptimize.gmk

@@ -0,0 +1,49 @@
+#
+# Copyright (c) 2016, 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.
+#
+
+# Runs a tool on the exploded image to improve performance
+
+default: all
+
+include $(SPEC)
+include MakeBase.gmk
+include $(JDK_TOPDIR)/make/ModuleTools.gmk
+
+################################################################################
+
+PACKAGES_ATTRIBUTE_TARGET := $(JDK_OUTPUTDIR)/_packages_attribute.done
+ALL_MODULEINFO_CLASSES := $(wildcard $(JDK_OUTPUTDIR)/modules/*/module_info.class)
+
+$(PACKAGES_ATTRIBUTE_TARGET): $(ALL_MODULEINFO_CLASSES) $(BUILD_JIGSAW_CLASSES)
+	$(call LogInfo, Optimizing the exploded image)
+	$(TOOL_ADD_PACKAGES_ATTRIBUTE) $(JDK_OUTPUTDIR)
+
+TARGETS := $(PACKAGES_ATTRIBUTE_TARGET)
+
+################################################################################
+
+all: $(TARGETS)
+
+.PHONY: all default

make/Main.gmk

@@ -82,10 +82,13 @@ ifneq ($(CREATING_BUILDJDK), true)
 
   buildtools-jdk:
 	+($(CD) $(JDK_TOPDIR)/make && $(MAKE) $(MAKE_ARGS) -f CompileTools.gmk)
+
+  buildtools-modules:
+	+($(CD) $(JDK_TOPDIR)/make && $(MAKE) $(MAKE_ARGS) -f CompileModuleTools.gmk)
 endif
 
 ALL_TARGETS += buildtools-langtools interim-langtools \
-    interim-rmic interim-cldrconverter buildtools-jdk
+    interim-rmic interim-cldrconverter buildtools-jdk buildtools-modules
 
 ################################################################################
 # Special targets for certain modules
@@ -340,8 +343,12 @@ profiles:
 mac-bundles-jdk:
 	+($(CD) $(SRC_ROOT)/make && $(MAKE) $(MAKE_ARGS) -f MacBundles.gmk)
 
+exploded-image-optimize:
+	+($(CD) $(SRC_ROOT)/make && $(MAKE) $(MAKE_ARGS) -f ExplodedImageOptimize.gmk)
+
 ALL_TARGETS += source-tips create-hgtip-files bootcycle-images zip-security \
-     zip-source jrtfs-jar jimages profiles mac-bundles-jdk
+    zip-source jrtfs-jar jimages profiles mac-bundles-jdk \
+    exploded-image-optimize
 
 ################################################################################
 # Docs targets
@@ -521,6 +528,8 @@ else
 
   buildtools-jdk: interim-langtools interim-cldrconverter
 
+  buildtools-modules: exploded-image-base
+
   $(CORBA_GENSRC_TARGETS): interim-langtools
 
   $(HOTSPOT_GENSRC_TARGETS): interim-langtools
@@ -646,6 +655,7 @@ else
     # Avoid calling create-buildjdk from within a create-buildjdk call
     ifneq ($(CREATING_BUILDJDK), true)
       $(JMOD_TARGETS): create-buildjdk
+      buildtools-modules: create-buildjdk
     endif
   endif
 
@@ -677,6 +687,8 @@ else
 
   mac-bundles-jdk: jimages
 
+  exploded-image-optimize: exploded-image-base buildtools-modules
+
   bootcycle-images: jimages
 
   docs-javadoc: $(GENSRC_TARGETS) rmic
@@ -728,7 +740,7 @@ else
 
   docs-bundles: docs-image
 
-  generate-summary: jmods
+  generate-summary: jmods buildtools-modules
 
 endif
 
@@ -774,7 +786,8 @@ demos: demos-jdk
 samples: samples-jdk
 
 # The "exploded image" is a locally runnable JDK in $(BUILD_OUTPUT)/jdk.
-exploded-image: $(ALL_MODULES)
+exploded-image-base: $(ALL_MODULES)
+exploded-image: exploded-image-base exploded-image-optimize
 
 create-buildjdk: create-buildjdk-copy create-buildjdk-interim-image
 
@@ -815,7 +828,8 @@ all-images: product-images test-image docs-image
 all-bundles: product-bundles test-bundles docs-bundles
 
 ALL_TARGETS += buildtools gensrc gendata copy java rmic libs launchers jmods \
-    jdk.jdwp.agent-gensrc $(ALL_MODULES) demos samples exploded-image \
+    jdk.jdwp.agent-gensrc $(ALL_MODULES) demos samples \
+    exploded-image-base exploded-image \
     create-buildjdk mac-bundles product-images docs-image test-image all-images \
     all-bundles