8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>
## Copyright (c) 2013, 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.#default: allinclude $(SPEC)include MakeBase.gmkinclude JavaCompilation.gmk################################################################################US_EXPORT_POLICY_JAR_DST := \ $(SUPPORT_OUTPUTDIR)/modules_libs/java.base/security/US_export_policy.jarUS_EXPORT_POLICY_JAR_LIMITED := \ $(SUPPORT_OUTPUTDIR)/jce/policy/limited/US_export_policy.jarUS_EXPORT_POLICY_JAR_UNLIMITED := \ $(SUPPORT_OUTPUTDIR)/jce/policy/unlimited/US_export_policy.jarifndef OPENJDK # # In past releases, Oracle JDK has had a separately downloadable set of # policy files which has been a nightmare for deployment. # # Now if we're closed and limited (default for Oracle JDK), create # an "unlimited_policy" directory that contains the unlimited policy # files. It will be up to the user/deployer to make an informed choice # as to whether they are legally entitled to use the unlimited policy # file in their environment. Users/deployers simply need to overwrite # the files. Consult README.txt (below) for more info. # UNLIMITED_POLICY_DIR := \ $(SUPPORT_OUTPUTDIR)/modules_libs/java.base/security/unlimited_policyendif## TODO fix so that SetupArchive does not write files into SRCS# then we don't need this extra copying## NOTE: We currently do not place restrictions on our limited export# policy. This was not a typo. This means we are shipping the same file# for both limited and unlimited US_export_policy.jar. Only the local# policy file currently has restrictions.#US_EXPORT_POLICY_JAR_SRC_DIR := \ $(JDK_TOPDIR)/make/data/cryptopolicy/unlimitedUS_EXPORT_POLICY_JAR_TMP := \ $(SUPPORT_OUTPUTDIR)/jce/policy/unlimited/US_export_policy_jar.tmp$(US_EXPORT_POLICY_JAR_TMP)/%: $(US_EXPORT_POLICY_JAR_SRC_DIR)/% $(install-file)US_EXPORT_POLICY_JAR_DEPS := \ $(US_EXPORT_POLICY_JAR_TMP)/default_US_export.policy$(eval $(call SetupArchive,BUILD_US_EXPORT_POLICY_JAR, \ DEPENDENCIES := $(US_EXPORT_POLICY_JAR_DEPS), \ SRCS := $(US_EXPORT_POLICY_JAR_TMP), \ SUFFIXES := .policy, \ JAR := $(US_EXPORT_POLICY_JAR_UNLIMITED), \ EXTRA_MANIFEST_ATTR := Crypto-Strength: unlimited, \ SKIP_METAINF := true))$(US_EXPORT_POLICY_JAR_LIMITED): \ $(US_EXPORT_POLICY_JAR_UNLIMITED) $(ECHO) $(LOG_INFO) \ Copying unlimited $(patsubst $(OUTPUT_ROOT)/%,%,$@) $(install-file)TARGETS += $(US_EXPORT_POLICY_JAR_LIMITED) $(US_EXPORT_POLICY_JAR_UNLIMITED)ifeq ($(UNLIMITED_CRYPTO), true) $(US_EXPORT_POLICY_JAR_DST): $(US_EXPORT_POLICY_JAR_UNLIMITED) $(install-file)else $(US_EXPORT_POLICY_JAR_DST): $(US_EXPORT_POLICY_JAR_LIMITED) $(install-file)endif ifndef OPENJDK ifneq ($(UNLIMITED_CRYPTO), true) $(UNLIMITED_POLICY_DIR)/US_export_policy.jar: \ $(US_EXPORT_POLICY_JAR_UNLIMITED) $(install-file) TARGETS += $(UNLIMITED_POLICY_DIR)/US_export_policy.jar endifendifPOLICY_JARS += $(US_EXPORT_POLICY_JAR_DST)################################################################################LOCAL_POLICY_JAR_DST := \ $(SUPPORT_OUTPUTDIR)/modules_libs/java.base/security/local_policy.jarLOCAL_POLICY_JAR_LIMITED := \ $(SUPPORT_OUTPUTDIR)/jce/policy/limited/local_policy.jarLOCAL_POLICY_JAR_UNLIMITED := \ $(SUPPORT_OUTPUTDIR)/jce/policy/unlimited/local_policy.jar## TODO fix so that SetupArchive does not write files into SRCS# then we don't need this extra copying#LOCAL_POLICY_JAR_LIMITED_TMP := \ $(SUPPORT_OUTPUTDIR)/jce/policy/limited/local_policy_jar.tmpLOCAL_POLICY_JAR_UNLIMITED_TMP := \ $(SUPPORT_OUTPUTDIR)/jce/policy/unlimited/local_policy_jar.tmp$(LOCAL_POLICY_JAR_LIMITED_TMP)/%: \ $(JDK_TOPDIR)/make/data/cryptopolicy/limited/% $(install-file)$(LOCAL_POLICY_JAR_UNLIMITED_TMP)/%: \ $(JDK_TOPDIR)/make/data/cryptopolicy/unlimited/% $(install-file)$(eval $(call SetupArchive,BUILD_LOCAL_POLICY_JAR_LIMITED, \ DEPENDENCIES := $(LOCAL_POLICY_JAR_LIMITED_TMP)/exempt_local.policy \ $(LOCAL_POLICY_JAR_LIMITED_TMP)/default_local.policy, \ SRCS := $(LOCAL_POLICY_JAR_LIMITED_TMP), \ SUFFIXES := .policy, \ JAR := $(LOCAL_POLICY_JAR_LIMITED), \ EXTRA_MANIFEST_ATTR := Crypto-Strength: limited, \ SKIP_METAINF := true))$(eval $(call SetupArchive,BUILD_LOCAL_POLICY_JAR_UNLIMITED, \ DEPENDENCIES := $(LOCAL_POLICY_JAR_UNLIMITED_TMP)/default_local.policy, \ SRCS := $(LOCAL_POLICY_JAR_UNLIMITED_TMP), \ SUFFIXES := .policy, \ JAR := $(LOCAL_POLICY_JAR_UNLIMITED), \ EXTRA_MANIFEST_ATTR := Crypto-Strength: unlimited, \ SKIP_METAINF := true))TARGETS += $(LOCAL_POLICY_JAR_LIMITED) $(LOCAL_POLICY_JAR_UNLIMITED)ifndef OPENJDK ifneq ($(UNLIMITED_CRYPTO), true) $(UNLIMITED_POLICY_DIR)/README.txt: \ $(JDK_TOPDIR)/make/closed/data/cryptopolicy/README.txt $(install-file) TARGETS += $(UNLIMITED_POLICY_DIR)/README.txt endifendififeq ($(UNLIMITED_CRYPTO), true) $(LOCAL_POLICY_JAR_DST): $(LOCAL_POLICY_JAR_UNLIMITED) $(install-file)else $(LOCAL_POLICY_JAR_DST): $(LOCAL_POLICY_JAR_LIMITED) $(install-file)endif ifndef OPENJDK ifneq ($(UNLIMITED_CRYPTO), true) $(UNLIMITED_POLICY_DIR)/local_policy.jar: \ $(LOCAL_POLICY_JAR_UNLIMITED) $(install-file) TARGETS += $(UNLIMITED_POLICY_DIR)/local_policy.jar endifendifPOLICY_JARS += $(LOCAL_POLICY_JAR_DST)TARGETS += $(POLICY_JARS)################################################################################