[JWarmUP] port jwarmup to dragonwell 8u (JDK part)

Summary:
port jwarmup to dragonwell 8u
ref T19299187

Test Plan: see hotspot part

Reviewers: 三红, yumin.qi

Reviewed By: 三红, yumin.qi

Subscribers: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D852150

make/CreateJars.gmk

@@ -554,7 +554,8 @@ EXCLUDE_PROPWARN_PKGS = com.sun.java.swing.plaf.windows \
 # with a new module system (being discussed for JDK 8).
 #
 EXPORTED_PRIVATE_PKGS = com.oracle.net \
-    com.oracle.nio
+    com.oracle.nio \
+    com.alibaba.jwarmup
 
 $(IMAGES_OUTPUTDIR)/symbols/_the.symbols: $(IMAGES_OUTPUTDIR)/lib/rt.jar
 	$(RM) -r $(IMAGES_OUTPUTDIR)/symbols/META-INF/sym

make/data/classlist/classlist.linux

@@ -2556,4 +2556,5 @@ javax/swing/plaf/basic/BasicToolBarSeparatorUI
 java/awt/event/AdjustmentEvent
 java/awt/MenuBar
 sun/awt/X11/XErrorEvent
+com/alibaba/jwarmup/JWarmUp
 # eea35d9d56e0006e

make/lib/CoreLibraries.gmk

@@ -141,6 +141,7 @@ LIBJAVA_SRC_DIRS += $(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/java/l
     $(JDK_TOPDIR)/src/share/native/java/nio \
     $(JDK_TOPDIR)/src/share/native/java/security \
     $(JDK_TOPDIR)/src/share/native/common \
+    $(JDK_TOPDIR)/src/share/native/com/alibaba/jwarmup \
     $(JDK_TOPDIR)/src/share/native/sun/misc \
     $(JDK_TOPDIR)/src/share/native/sun/reflect \
     $(JDK_TOPDIR)/src/share/native/java/util \

make/mapfiles/libjava/mapfile-vers

@@ -215,6 +215,7 @@ SUNWprivate_1.1 {
 		Java_java_lang_System_setIn0;
 		Java_java_lang_System_setOut0;
 		Java_java_lang_Thread_registerNatives;
+        Java_com_alibaba_jwarmup_JWarmUp_registerNatives;
 		Java_java_lang_Throwable_fillInStackTrace;
                 Java_java_lang_Throwable_getStackTraceDepth;
                 Java_java_lang_Throwable_getStackTraceElement;

make/mapfiles/libjava/reorder-x86

@@ -10,6 +10,7 @@ text: .text%collapse: OUTPUTDIR/canonicalize_md.o;
 text: .text%Java_java_lang_Object_registerNatives;
 text: .text%Java_java_lang_System_registerNatives;
 text: .text%Java_java_lang_Thread_registerNatives;
+text: .text%Java_com_alibaba_jwarmup_JWarmUp_registerNatives;
 text: .text%Java_java_security_AccessController_getStackAccessControlContext;
 text: .text%Java_java_security_AccessController_getInheritedAccessControlContext;
 text: .text%Java_java_lang_ClassLoader_registerNatives;

src/share/classes/com/alibaba/jwarmup/JWarmUp.java

+/*
+ * Copyright (c) 2019 Alibaba Group Holding Limited. 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. Alibaba 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.
+ */
+
+package com.alibaba.jwarmup;
+
+public class JWarmUp {
+
+    /* Make sure registerNatives is the first thing <clinit> does. */
+    private static native void registerNatives();
+
+    static {
+        registerNatives();
+    }
+
+    private static boolean hasNotified = false;
+
+    /**
+     * Notify jvm that application startup is done.
+     * <p>
+     * Should be explicitly call after startup of application if
+     * CompilationWarmUpOptimistic is off. Otherwise, it does
+     * nothing and just prints a warning message.
+     *
+     * @version 1.8
+     */
+    public static synchronized void notifyApplicationStartUpIsDone() {
+        if (!hasNotified) {
+            hasNotified = true;
+            notifyApplicationStartUpIsDone0();
+        }
+    }
+
+    /**
+     * Notify jvm to deoptimize warmup methods
+     * <p>
+     * Should be explicitly call after startup of application 
+     * and warmup compilation is completed
+     * vm option CompilationWarmUpExplicitDeopt must be on
+     * Otherwise, it does nothing and just prints a warning message.
+     *
+     * @version 1.8
+     */
+    public static synchronized void notifyJVMDeoptWarmUpMethods() {
+        if (hasNotified && checkIfCompilationIsComplete()) {
+            notifyJVMDeoptWarmUpMethods0();
+        }
+    }
+
+    /**
+     * Check if the last compilation submitted by JWarmUp is complete.
+     * <p>
+     * call this method after <code>notifyApplicationStartUpIsDone</code>
+     *
+     * @return true if the last compilation task is complete.
+     *
+     * @version 1.8
+     */
+    public static synchronized boolean checkIfCompilationIsComplete() {
+        if (!hasNotified) {
+          throw new IllegalStateException("Must call checkIfCompilationIsComplete() after notifyApplicationStartUpIsDone()");
+        } else {
+          return checkIfCompilationIsComplete0();
+        }
+    }
+
+
+    /**
+     * dummy function used internal, DO NOT call this
+     */
+    private void dummy() {
+        throw new UnsupportedOperationException("dummy function");
+    }
+
+    private native static void notifyApplicationStartUpIsDone0();
+
+    private native static boolean checkIfCompilationIsComplete0();
+
+    private native static void notifyJVMDeoptWarmUpMethods0();
+}

src/share/javavm/export/jvm.h

@@ -330,6 +330,15 @@ JNIEXPORT jclass JNICALL
 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
                jstring currClassName);
 
+JNIEXPORT void JNICALL
+JVM_NotifyApplicationStartUpIsDone(JNIEnv *env, jclass clz);
+
+JNIEXPORT jboolean JNICALL
+JVM_CheckJWarmUpCompilationIsComplete(JNIEnv *env, jclass clz);
+
+JNIEXPORT void JNICALL
+JVM_NotifyJVMDeoptWarmUpMethods(JNIEnv* env, jclass clz);
+
 /*
  * java.lang.reflect.Array
  */

src/share/native/com/alibaba/jwarmup/JWarmUp.c

+/*
+ * Copyright (c) 2019 Alibaba Group Holding Limited. 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. Alibaba 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.
+ */
+
+#include "jni.h"
+#include "jvm.h"
+#include "com_alibaba_jwarmup_JWarmUp.h"
+
+#define ARRAY_LENGTH(a) (sizeof(a)/sizeof(a[0]))
+
+static JNINativeMethod jwarmup_methods[] = {
+  {"notifyApplicationStartUpIsDone0","()V", (void *)&JVM_NotifyApplicationStartUpIsDone},
+  {"checkIfCompilationIsComplete0","()Z", (void *)&JVM_CheckJWarmUpCompilationIsComplete},
+  {"notifyJVMDeoptWarmUpMethods0","()V", (void *)&JVM_NotifyJVMDeoptWarmUpMethods}
+};
+
+JNIEXPORT void JNICALL
+Java_com_alibaba_jwarmup_JWarmUp_registerNatives(JNIEnv *env, jclass cls)
+{
+    (*env)->RegisterNatives(env, cls, jwarmup_methods, ARRAY_LENGTH(jwarmup_methods));
+}