feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
113
jdkSrc/jdk8/jdk/jfr/internal/instrument/JIInliner.java
Normal file
113
jdkSrc/jdk8/jdk/jfr/internal/instrument/JIInliner.java
Normal file
@@ -0,0 +1,113 @@
|
||||
/*
|
||||
* Copyright (c) 2013, 2018, 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.
|
||||
*/
|
||||
|
||||
package jdk.jfr.internal.instrument;
|
||||
|
||||
import java.lang.reflect.Method;
|
||||
import java.lang.reflect.Modifier;
|
||||
import java.util.List;
|
||||
|
||||
import jdk.internal.org.objectweb.asm.ClassReader;
|
||||
import jdk.internal.org.objectweb.asm.ClassVisitor;
|
||||
import jdk.internal.org.objectweb.asm.MethodVisitor;
|
||||
import jdk.internal.org.objectweb.asm.Opcodes;
|
||||
import jdk.internal.org.objectweb.asm.Type;
|
||||
import jdk.internal.org.objectweb.asm.tree.ClassNode;
|
||||
import jdk.internal.org.objectweb.asm.tree.MethodNode;
|
||||
import jdk.jfr.internal.LogLevel;
|
||||
import jdk.jfr.internal.LogTag;
|
||||
import jdk.jfr.internal.Logger;
|
||||
|
||||
@Deprecated
|
||||
final class JIInliner extends ClassVisitor {
|
||||
private final String targetClassName;
|
||||
private final String instrumentationClassName;
|
||||
private final ClassNode targetClassNode;
|
||||
private final List<Method> instrumentationMethods;
|
||||
|
||||
/**
|
||||
* A ClassVisitor which will check all methods of the class it visits against the instrumentationMethods
|
||||
* list. If a method is on that list, the method will be further processed for inlining into that
|
||||
* method.
|
||||
*/
|
||||
JIInliner(int api, ClassVisitor cv, String targetClassName, String instrumentationClassName,
|
||||
ClassReader targetClassReader,
|
||||
List<Method> instrumentationMethods) {
|
||||
super(api, cv);
|
||||
this.targetClassName = targetClassName;
|
||||
this.instrumentationClassName = instrumentationClassName;
|
||||
this.instrumentationMethods = instrumentationMethods;
|
||||
|
||||
ClassNode cn = new ClassNode(Opcodes.ASM5);
|
||||
targetClassReader.accept(cn, ClassReader.EXPAND_FRAMES);
|
||||
this.targetClassNode = cn;
|
||||
}
|
||||
|
||||
@Override
|
||||
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
|
||||
MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
|
||||
|
||||
if (isInstrumentationMethod(name, desc)) {
|
||||
MethodNode methodToInline = findTargetMethodNode(name, desc);
|
||||
if (methodToInline == null) {
|
||||
throw new IllegalArgumentException("Could not find the method to instrument in the target class");
|
||||
}
|
||||
if (Modifier.isNative(methodToInline.access)) {
|
||||
throw new IllegalArgumentException("Cannot instrument native methods: " + targetClassNode.name + "." + methodToInline.name + methodToInline.desc);
|
||||
}
|
||||
|
||||
Logger.log(LogTag.JFR_SYSTEM_BYTECODE, LogLevel.DEBUG, "Inliner processing method " + name + desc);
|
||||
|
||||
JIMethodCallInliner mci = new JIMethodCallInliner(access,
|
||||
desc,
|
||||
mv,
|
||||
methodToInline,
|
||||
targetClassName,
|
||||
instrumentationClassName);
|
||||
return mci;
|
||||
}
|
||||
|
||||
return mv;
|
||||
}
|
||||
|
||||
private boolean isInstrumentationMethod(String name, String desc) {
|
||||
for(Method m : instrumentationMethods) {
|
||||
if (m.getName().equals(name) && Type.getMethodDescriptor(m).equals(desc)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private MethodNode findTargetMethodNode(String name, String desc) {
|
||||
for (MethodNode mn : targetClassNode.methods) {
|
||||
if (mn.desc.equals(desc) && mn.name.equals(name)) {
|
||||
return mn;
|
||||
}
|
||||
}
|
||||
throw new IllegalArgumentException("could not find MethodNode for "
|
||||
+ name + desc);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user