8161218: Better bytecode loading
Reviewed-by: acorn, mschoene, ctornqvi
Contributed-by: harold.seigel@oracle.com
#
# Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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# 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
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#
# 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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# 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
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# questions.
#
################################################################################
# Generate classlist
################################################################################
default: all
include $(SPEC)
include MakeBase.gmk
include JarArchive.gmk
################################################################################
# Create a jar with our generator class. Using a jar is intentional since it
# will load more classes
$(eval $(call SetupJarArchive, CLASSLIST_JAR, \
SRCS := $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes, \
INCLUDES := build/tools/classlist, \
JAR := $(SUPPORT_OUTPUTDIR)/classlist.jar, \
))
TARGETS += $(CLASSLIST_JAR)
################################################################################
LINK_OPT_DIR := $(SUPPORT_OUTPUTDIR)/link_opt
CLASSLIST_FILE := $(LINK_OPT_DIR)/classlist
JLI_TRACE_FILE := $(LINK_OPT_DIR)/jli_trace.out
# If an external buildjdk has been supplied, we don't build a separate interim
# image, so just use the external build jdk instead.
ifeq ($(EXTERNAL_BUILDJDK), true)
INTERIM_IMAGE_DIR := $(BUILD_JDK)
endif
$(CLASSLIST_FILE): $(INTERIM_IMAGE_DIR)/bin/java$(EXE_SUFFIX) $(CLASSLIST_JAR)
$(call MakeDir, $(LINK_OPT_DIR))
$(call LogInfo, Generating $(patsubst $(OUTPUT_ROOT)/%, %, $@))
$(call LogInfo, Generating $(patsubst $(OUTPUT_ROOT)/%, %, $(JLI_TRACE_FILE)))
$(FIXPATH) $(INTERIM_IMAGE_DIR)/bin/java -XX:DumpLoadedClassList=$@ \
-Djava.lang.invoke.MethodHandle.TRACE_RESOLVE=true \
-cp $(SUPPORT_OUTPUTDIR)/classlist.jar \
build.tools.classlist.HelloClasslist \
$(LOG_DEBUG) 2>&1 > $(JLI_TRACE_FILE)
# The jli trace is created by the same recipe as classlist. By declaring these
# dependencies, make will correctly rebuild both jli trace and classlist
# incrementally using the single recpie above.
$(CLASSLIST_FILE): $(JLI_TRACE_FILE)
$(JLI_TRACE_FILE): $(INTERIM_IMAGE_DIR)/bin/java$(EXE_SUFFIX) $(CLASSLIST_JAR)
TARGETS += $(CLASSLIST_FILE) $(JLI_TRACE_FILE)
# Copy the classlist file into java.base libs
$(eval $(call SetupCopyFiles, COPY_CLASSLIST, \
FILES := $(CLASSLIST_FILE), \
DEST := $(SUPPORT_OUTPUTDIR)/modules_libs/java.base, \
))
TARGETS += $(COPY_CLASSLIST)
################################################################################
all: $(TARGETS)