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# This project is a modified version of OpenJDK, licensed under GPL v2.
# Modifications Copyright (C) 2025 ByteDance Inc.
#
# 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.
WORKSPACE := $(shell pwd)
SHELL := /bin/bash
BOOTJDK17 := $(WORKSPACE)/.bootjdks/jdk-17.0.7+7
BOOTJDK8 := $(WORKSPACE)/.bootjdks/jdk8u372-b07
BUILDDIR := $(WORKSPACE)/cvm/build
OUTPUTDIR := $(WORKSPACE)/output
CVM8DIR := $(BUILDDIR)/jdk8
CVM8_JARDIR := $(CVM8DIR)/jre/lib
CVM8_LIBDIR := $(CVM8DIR)/jre/lib/amd64
MODE ?= release
JAR ?= $(BOOTJDK17)/bin/jar
JDK17_SRCROOT := $(WORKSPACE)
CVM8_SRCROOT := $(WORKSPACE)/cvm
JDK8_SRCROOT := $(CVM8_SRCROOT)/jdk8u
SRC_BUILDDIR_8 :=
SRC_BUILDDIR_17 :=
SCRIPTS_DIR ?= $(WORKSPACE)/scripts
SKIP_BUILD ?= false
# compile set of alternative kernel/application classes
# $1 source directory
# $2 output directory
# $3 jar name
# $4 boot classpath (the order matters!)
define compile_alt_classes
$(eval ALT_CLS_SRC_DIR=$(1))
$(eval ALT_CLS_OUT_DIR=$(2))
$(eval ALT_CLS_JAR=$(3))
$(eval ALT_CLS_BOOT_CLASSPATH=$(4))
@echo Compiling source files from $(ALT_CLS_SRC_DIR) to $(ALT_CLS_OUT_DIR)
#rm -fr $(ALT_CLS_OUT_DIR)
[[ -d $(ALT_CLS_OUT_DIR) ]] || mkdir -p $(ALT_CLS_OUT_DIR)
$(eval ALT_CLS_LIST=$(BUILDDIR)/alt_kernel.classlist)
find $(ALT_CLS_SRC_DIR) -type f -name \*.java > $(ALT_CLS_LIST)
$(BOOTJDK8)/bin/javac \
-bootclasspath $(ALT_CLS_OUT_DIR):$(ALT_CLS_BOOT_CLASSPATH) \
-nowarn -source 8 -target 8 -d $(ALT_CLS_OUT_DIR) @$(ALT_CLS_LIST)
rm -f $(ALT_CLS_LIST)
if [[ "x$(ALT_CLS_JAR)" != "x" ]]; then \
( \
cd $(ALT_CLS_OUT_DIR); \
$(BOOTJDK8)/bin/jar cf ${ALT_CLS_JAR} *; \
) \
fi
endef
# build diagnosis tool executables for vm17
# $1 lib directory of jdk8
# $2 tool name
# $3 main class of tool
define compile_tools17_bin
$(eval JDK8_LIB_DIR=$(1))
$(eval TOOL_NAME=$(2))
$(eval TOOL_MAIN_CLASS=$(3))
@echo Compiling diagnosis tool $(TOOL_NAME)
[[ -d $(BUILDDIR)/bin/ ]] || mkdir -p $(BUILDDIR)/bin/
gcc -O2 -pie -fPIE\
-DJAVA_ARGS='{ "-J-ms8m", "$(TOOL_MAIN_CLASS)", }' \
-DAPP_CLASSPATH='{ "/lib/tools17.jar", "/lib/tools.jar", }' \
-o $(BUILDDIR)/bin/$(TOOL_NAME) \
$(CVM8_SRCROOT)/alt_app/tools17/src/share/bin/tool.c \
-L$(JDK8_LIB_DIR)/amd64/jli \
-Wl,-rpath,'$$ORIGIN/../lib/amd64/jli' \
-ljli
endef
-bootstrap: -init-dirs $(BOOTJDK17)/ $(BOOTJDK8)/
-init-dirs:
[[ -d $(BUILDDIR) ]] || mkdir -p $(BUILDDIR)
[[ -d $(OUTPUTDIR) ]] || mkdir -p $(OUTPUTDIR)
# Setup bootstrap JDK from a given URL
# $1 URL of JDK in tar.gz format
# $2 directory of JDK
define setup_boot_jdk
$(eval DIR=$(shell dirname $(2)))
[[ -d $(DIR) ]] || mkdir -p $(DIR)
$(eval URL := $(1))
$(eval TAR_FILE := $(shell basename $(URL)))
rm -f $(TAR_FILE)
wget -q $(URL) -O $(TAR_FILE)
rm -fr $(2)
tar xf $(TAR_FILE) -C .bootjdks
rm -f $(TAR_FILE)
endef
# '/' is indispensable otherwise target name will be treated as a file
$(BOOTJDK17)/:
$(call setup_boot_jdk,https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.7%2B7/OpenJDK17U-jdk_x64_linux_hotspot_17.0.7_7.tar.gz,$@)
#cp -f $(WORKSPACE)/bin/linux-x86_64/hsdis-amd64.so $$(dirname $$(find $@ -name libjava.so))
$(BOOTJDK8)/:
$(call setup_boot_jdk,https://github.com/adoptium/temurin8-binaries/releases/download/jdk8u372-b07/OpenJDK8U-jdk_x64_linux_hotspot_8u372b07.tar.gz,$@)
#cp -f $(WORKSPACE)/bin/linux-x86_64/hsdis-amd64.so $$(dirname $$(find $@ -name libjava.so))
jdk8u/jdk/src:
wget -nc https://github.com/openjdk/jdk8u/archive/refs/tags/jdk8u382-b03.tar.gz
[[ -d $(JDK8_SRCROOT) ]] || (mkdir -p $(JDK8_SRCROOT) && tar -xzf jdk8u382-b03.tar.gz -C $(JDK8_SRCROOT) --strip-components=1)
cvm8: jdk8vm17
cvm8default17: jdk8vm17
echo "-server17 KNOWN" > $(CVM8_LIBDIR)//jvm.cfg
echo "-server KNOWN" >> $(CVM8_LIBDIR)//jvm.cfg
echo "-client IGNORE" >> $(CVM8_LIBDIR)//jvm.cfg
echo "-server17 KNOWN" > $(OUTPUTDIR)/jdk8/jre/lib/amd64//jvm.cfg
echo "-server KNOWN" >> $(OUTPUTDIR)/jdk8/jre/lib/amd64/jvm.cfg
echo "-client IGNORE" >> $(OUTPUTDIR)/jdk8/jre/lib/amd64//jvm.cfg
-clean-jdk8vm17:
rm -fr $(BUILDDIR)/alt_kernel
rm -fr $(BUILDDIR)/jdk8
clean:
rm -fr $(BUILDDIR)
cd $(JDK8_SRCROOT) && make clean
cd $(JDK17_SRCROOT) && make clean
full-clean:
rm -fr $(BUILDDIR) $(JDK17_SRCROOT)/build $(JDK8_SRCROOT)/build
jdk8vm17: -clean-jdk8vm17 -bootstrap build_jdk8u build_jdk17u altkernel
@echo
@echo "###### Composing CVM8 ######"
$(eval SRC_BUILDDIR_17=$(shell find $(JDK17_SRCROOT)/build -type f -name build.log | grep $(MODE) | xargs dirname))
$(eval SRC_BUILDDIR_8=$(shell find $(JDK8_SRCROOT)/build -type f -name build.log | grep $(MODE) | xargs dirname))
$(eval JDK8_IMAGEDIR=$(shell find $(JDK8_SRCROOT)/build -type d -name j2sdk-image | grep $(MODE)))
{ \
cp -Lfr $(JDK8_IMAGEDIR) $(CVM8DIR); \
cp -f $(SRC_BUILDDIR_8)/jdk/objs/libjli/libjli.debuginfo $(CVM8_LIBDIR)/jli/; \
cp -f $(BUILDDIR)/rt17.jar $(CVM8_JARDIR)/; \
cp -f $(BUILDDIR)/rt8.jar $(CVM8_JARDIR)/; \
cp -f $(BUILDDIR)/tools17.jar $(CVM8DIR)/lib/; \
cp -f $(BUILDDIR)/bin/* $(CVM8DIR)/bin/; \
mkdir -p $(CVM8_LIBDIR)/server17; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/server/libjvm.so $(CVM8_LIBDIR)/server17/libjvm.so; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/libjimage.so $(CVM8_LIBDIR)/libjimage17.so; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/libjava.so $(CVM8_LIBDIR)/libjava17.so; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/libjdwp.so $(CVM8_LIBDIR)/libjdwp17.so; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/libjava.debuginfo $(CVM8_LIBDIR)/libjava17.debuginfo; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/libjimage.debuginfo $(CVM8_LIBDIR)/libjimage17.debuginfo; \
cp -f $(SRC_BUILDDIR_17)/jdk/lib/server/libjvm.debuginfo $(CVM8_LIBDIR)/server17/libjvm.debuginfo; \
[[ "x$$(grep server17 $(CVM8_LIBDIR)/jvm.cfg)" = "x" ]] && echo "-server17 KNOWN" >> $(CVM8_LIBDIR)/jvm.cfg; \
cp -rf $(CVM8DIR) $(OUTPUTDIR)/; \
}
@echo "###### Done ######"
@echo
build_jdk8u: -bootstrap jdk8u/jdk/src
{ cd $(JDK8_SRCROOT); \
if [[ "x$$(find ./build -type f -name config.log | grep $(MODE))" = "x" ]]; then \
bash configure --with-debug-level=$(MODE) \
--with-boot-jdk=$(BOOTJDK8) \
--with-milestone=fcs \
--with-user-release-suffix="cvm" \
--with-vendor-name="ByteDance" \
--with-vendor-url="https://github.com/bytedance/CompoundVM" \
--with-vendor-bug-url="https://github.com/bytedance/CompoundVM/issues" \
--with-vendor-vm-bug-url="https://github.com/bytedance/CompoundVM/issues" \
;\
fi; \
make $(JDK_MAKE_OPTS) CONF=linux-x86_64-normal-server-$(MODE) images; \
[[ $$? -eq 0 ]] || exit 127; \
}
# compile hotspot and java.base from jdk17u
build_jdk17u: -bootstrap
{ \
if [[ "x$$(find ./build -type f -name config.log | grep $(MODE))" = "x" ]]; then \
bash configure --with-debug-level=$(MODE) \
--with-boot-jdk=$(BOOTJDK17) \
--with-hotspot-target-classlib=8 \
--with-vendor-name="ByteDance" \
--with-vendor-url="https://github.com/bytedance/CompoundVM" \
--with-vendor-bug-url="https://github.com/bytedance/CompoundVM/issues" \
--with-vendor-vm-bug-url="https://github.com/bytedance/CompoundVM/issues" \
--without-version-pre \
--without-version-opt \
--with-cvm-version-string="8.0.0" \
--with-vendor-name="CompoundVM" \
; \
fi; \
}
make $(JDK_MAKE_OPTS) CONF=linux-x86_64-server-$(MODE) hotspot jdk.jdwp.agent
################ alternative kernel classes ########
# here we copy the JDK17 kernel classes to separate diretory,
# and tweak the code to fit into JDK8's boots.
altkernel: -bootstrap -tools17_jar -tools17_bin
$(eval ALT_KERNEL_JAR=$(BUILDDIR)/rt17.jar)
$(eval ALT_KERNEL_BOOT_CP=$(BOOTJDK8)/jre/lib/rt.jar)
$(call compile_alt_classes,$(CVM8_SRCROOT)/alt_kernel/src17u,$(BUILDDIR)/alt_kernel/classes_17,$(ALT_KERNEL_JAR),$(ALT_KERNEL_BOOT_CP))
$(eval ALT_KERNEL_JAR=$(BUILDDIR)/rt8.jar)
$(eval ALT_KERNEL_BOOT_CP=$(BUILDDIR)/alt_kernel/classes_17:$(BOOTJDK8)/jre/lib/rt.jar)
$(call compile_alt_classes,$(CVM8_SRCROOT)/alt_kernel/src8u,$(BUILDDIR)/alt_kernel/classes_8,$(ALT_KERNEL_JAR),$(ALT_KERNEL_BOOT_CP))
-tools17_jar: $(BOOTJDK8)/
$(eval TOOLS17_JAR=$(BUILDDIR)/tools17.jar)
$(call compile_alt_classes,$(CVM8_SRCROOT)/alt_app/tools17/src,$(BUILDDIR)/tools17/classes,$(TOOLS17_JAR),$(BOOTJDK8)/jre/lib/rt.jar:$(BOOTJDK8)/lib/tools.jar)
-tools17_bin: $(BOOTJDK8)/
$(call compile_tools17_bin,$(BOOTJDK8)/lib,jinfo17,sun.tools.jinfo.JInfo17)
$(call compile_tools17_bin,$(BOOTJDK8)/lib,jstack17,sun.tools.jstack.JStack17)
$(call compile_tools17_bin,$(BOOTJDK8)/lib,jmap17,sun.tools.jmap.JMap17)
############### Test ##################
JT8_WORKDIR=${BUILDDIR}/jtreg8/JTwork
JT8_REPORTDIR=${BUILDDIR}/jtreg8/JTreport
JT8_RERUNDIR=${BUILDDIR}/jtreg8/rerun
JT_TEST ?= .
JT_REPO ?= jdk
# using local JTreg installation instead of system's
MY_JT_HOME := $(WORKSPACE)/.jtreg
JTREG := $(MY_JT_HOME)/bin/jtreg
$(JTREG):
$(eval JTREG_URL := https://builds.shipilev.net/jtreg/jtreg5.1-b01.zip)
$(eval JTREG_ZIP := $(shell basename $(JTREG_URL)))
@echo "Installing jtreg5.1 to $(MY_JT_HOME)"
{ \
rm -f $(JTREG_ZIP);\
wget -q $(JTREG_URL); \
unzip -o -q $(JTREG_ZIP) && mv jtreg .jtreg && rm -fr $(JTREG_ZIP); \
}
# minimize the effort to download source code
ifeq ($(SKIP_BUILD), true)
-setup_jtreg8: -init-dirs $(JTREG) jdk8u/jdk/src
else
-setup_jtreg8: $(JTREG) jdk8vm17
endif
$(eval JT8_OPTS=-jdk:${CVM8DIR} -w:${JT8_WORKDIR} -r:${JT8_REPORTDIR} -a -ea -esa -ignore:quiet -ovm -v:fail,error,time -javaoption:-server17 ${JT8_OPTS})
# Setup bootstrap JDK from a given URL
# $1 root directory of jtreg
# $2 pattern to match testcase names
define run_jtreg8_test
$(eval JT8_DIR = $(1))
$(eval JT_TEST = $(2))
$(eval JT_EXTRA_OPTS = $(3))
$(eval CUR_CMD=JTREG_JAVA=${CVM8DIR}/bin/java $(JTREG) ${JT8_OPTS} ${JT_EXTRA_OPTS} ${JT_TEST})
@echo
@echo "Running JTreg8 \"${JT_TEST}\" in dir ${JT8_DIR}"
@echo " Report directory: ${JT8_REPORTDIR}"
@echo " Working directory: ${JT8_WORKDIR}"
@echo " Command: ${CUR_CMD}"
@echo
@{ cd ${JT8_DIR} && ${CUR_CMD}; }
endef
JT_OPTS_EXCLUDE=-exclude:$(JDK8_SRCROOT)/jdk/test/ProblemList.txt -exclude:$(CVM8_SRCROOT)/conf/jtreg_jdk8_excludes.list
test_jtreg8: -setup_jtreg8
$(call run_jtreg8_test,$(JDK8_SRCROOT)/$(JT_REPO)/test,$(JT_TEST))
test_cvm8: -setup_jtreg8
$(call run_jtreg8_test,$(CVM8_SRCROOT)/test,$(JT_TEST))
test_jtreg8_jdk: -setup_jtreg8
$(call run_jtreg8_test,$(JDK8_SRCROOT)/jdk/test,$(JT_TEST),$(JT_OPTS_EXCLUDE))
test_jtreg8_jdk_tier1: -setup_jtreg8
$(eval JT_TEST = ":jdk_tier1")
$(call run_jtreg8_test,$(JDK8_SRCROOT)/jdk/test,$(JT_TEST),$(JT_OPTS_EXCLUDE))
test_jtreg8_jdk_core: -setup_jtreg8
$(eval JT_TEST = ":jdk_core")
$(call run_jtreg8_test,$(JDK8_SRCROOT)/jdk/test,$(JT_TEST),$(JT_OPTS_EXCLUDE))
test_jtreg8_hotspot: -setup_jtreg8
$(eval JT_REPO = hotspot)
$(call run_jtreg8_test,$(JDK8_SRCROOT)/$(JT_REPO)/test,$(JT_TEST),$(JT_OPTS_EXCLUDE))
test_jtreg8_langtools: -setup_jtreg8
$(eval JT_REPO = langtools)
$(call run_jtreg8_test,$(JDK8_SRCROOT)/$(JT_REPO)/test,$(JT_TEST),$(JT_OPTS_EXCLUDE))
################# Help ########################
help:
@echo "Makefile for CVM project"
@echo ""
@echo "Build & Clean:"
@echo " make jdk8vm17 Build CVM8 with optional jvm-17"
@echo " make cvm8 Same as target jdk8vm17"
@echo " make cvm8default17 Same as target cvm8, but with jvm17 as default"
@echo " make full-clean Delete all artifacts, including sub-modules"
@echo " make clean Delete artifacts from directory build/"
@echo ""
@echo "Test:"
@echo " make test_jtreg8 JT_TEST=<test selection> JT_REPO=<repo dir>"
@echo " Run CVM8 jtreg8 test with given selection"
@echo " make test_jtreg8_jdk JT_TEST=<test selection>"
@echo " Run CVM8 jtreg8 tests in directory jdk8u/jdk/test"
@echo " make test_jtreg8_langtools JT_TEST=<test selection>"
@echo " Run CVM8 jtreg8 tests in directory jdk8u/langtools/test"
@echo " make test_jtreg8_hotspot JT_TEST=<test selection>"
@echo " Run CVM8 jtreg8 tests in directory jdk8u/hotspot/test"
@echo " make test_cvm8 JT_TEST=<test selection>"
@echo " Run additional jtreg8 tests for CVM8 in directory test"
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