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8346984: Remove ASM-based benchmarks from Class-File API benchmarks
Reviewed-by: liach, redestad, erikj
This commit is contained in:
Adam Sotona
parent
c027f2ed1d
commit
594e519648
@ -1,5 +1,5 @@
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#
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# Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
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# Copyright (c) 2018, 2025, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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@ -96,8 +96,6 @@ $(eval $(call SetupJavaCompilation, BUILD_JDK_MICROBENCHMARK, \
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--add-exports java.base/jdk.internal.foreign=ALL-UNNAMED \
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--add-exports java.base/jdk.internal.misc=ALL-UNNAMED \
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--add-exports java.base/jdk.internal.util=ALL-UNNAMED \
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--add-exports java.base/jdk.internal.org.objectweb.asm.tree=ALL-UNNAMED \
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--add-exports java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED \
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--add-exports java.base/jdk.internal.vm=ALL-UNNAMED \
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--add-exports java.base/sun.invoke.util=ALL-UNNAMED \
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--add-exports java.base/sun.security.util=ALL-UNNAMED \
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -44,8 +44,6 @@ import org.openjdk.jmh.annotations.Warmup;
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@Warmup(iterations = 2)
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@Measurement(iterations = 4)
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@Fork(value = 1, jvmArgs = {
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"--add-exports", "java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED",
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"--add-exports", "java.base/jdk.internal.org.objectweb.asm.tree=ALL-UNNAMED",
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"--add-exports", "java.base/jdk.internal.classfile.components=ALL-UNNAMED",
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"--add-exports", "java.base/jdk.internal.classfile.impl=ALL-UNNAMED"})
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@State(Scope.Benchmark)
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -35,10 +35,6 @@ public class AdaptNull extends AbstractCorpusBenchmark {
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@Param({
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// "ARRAYCOPY",
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"ASM_1",
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"ASM_3",
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"ASM_UNSHARED_3",
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// "ASM_TREE",
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"SHARED_1",
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"SHARED_2",
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"SHARED_3",
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -29,12 +29,6 @@ import java.lang.classfile.CodeModel;
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import java.lang.classfile.CompoundElement;
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import java.lang.classfile.MethodModel;
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import java.lang.classfile.instruction.LoadInstruction;
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import jdk.internal.org.objectweb.asm.ClassReader;
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import jdk.internal.org.objectweb.asm.ClassVisitor;
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import jdk.internal.org.objectweb.asm.MethodVisitor;
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import jdk.internal.org.objectweb.asm.Opcodes;
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import jdk.internal.org.objectweb.asm.tree.ClassNode;
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import jdk.internal.org.objectweb.asm.tree.MethodNode;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Mode;
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@ -45,55 +39,6 @@ import org.openjdk.jmh.infra.Blackhole;
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*/
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public class ReadDeep extends AbstractCorpusBenchmark {
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void asmStreamCountLoads(Blackhole bh) {
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for (byte[] bytes : classes) {
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ClassReader cr = new ClassReader(bytes);
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var mv = new MethodVisitor(Opcodes.ASM9) {
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int count = 0;
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@Override
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public void visitVarInsn(int opcode, int var) {
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++count;
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}
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};
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var visitor = new ClassVisitor(Opcodes.ASM9) {
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@Override
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public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
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return mv;
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}
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};
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cr.accept(visitor, 0);
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bh.consume(mv.count);
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void asmTreeCountLoads(Blackhole bh) {
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for (byte[] bytes : classes) {
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var mv = new MethodVisitor(Opcodes.ASM9) {
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int count = 0;
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@Override
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public void visitVarInsn(int opcode, int var) {
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++count;
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}
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};
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ClassNode node = new ClassNode();
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ClassReader cr = new ClassReader(bytes);
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cr.accept(node, 0);
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for (MethodNode mn : node.methods) {
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mn.accept(mv);
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}
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bh.consume(mv.count);
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void jdkElementsCountLoads(Blackhole bh) {
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -27,42 +27,11 @@ import java.lang.classfile.ClassElement;
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import java.lang.classfile.ClassModel;
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import java.lang.classfile.ClassFile;
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import java.lang.classfile.FieldModel;
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import jdk.internal.org.objectweb.asm.*;
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import jdk.internal.org.objectweb.asm.tree.*;
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import org.openjdk.jmh.annotations.*;
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import org.openjdk.jmh.infra.Blackhole;
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public class ReadMetadata extends AbstractCorpusBenchmark {
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void asmStreamReadName(Blackhole bh) {
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for (byte[] bytes : classes) {
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ClassReader cr = new ClassReader(bytes);
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var visitor = new ClassVisitor(Opcodes.ASM9) {
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String theName;
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@Override
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public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
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theName = name;
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}
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};
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cr.accept(visitor, 0);
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bh.consume(visitor.theName);
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void asmTreeReadName(Blackhole bh) {
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for (byte[] bytes : classes) {
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ClassNode node = new ClassNode();
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ClassReader cr = new ClassReader(bytes);
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cr.accept(node, 0);
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bh.consume(node.name);
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void jdkReadName(Blackhole bh) {
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@ -90,43 +59,6 @@ public class ReadMetadata extends AbstractCorpusBenchmark {
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void asmStreamCountFields(Blackhole bh) {
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for (byte[] bytes : classes) {
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ClassReader cr = new ClassReader(bytes);
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var visitor = new ClassVisitor(Opcodes.ASM9) {
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int count;
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@Override
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public FieldVisitor visitField(int access, String name, String descriptor, String signature, Object value) {
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if ((access & Opcodes.ACC_PUBLIC) != 1) {
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++count;
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}
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return null;
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}
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};
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cr.accept(visitor, 0);
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bh.consume(visitor.count);
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void asmTreeCountFields(Blackhole bh) {
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for (byte[] bytes : classes) {
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int count = 0;
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ClassNode node = new ClassNode();
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ClassReader cr = new ClassReader(bytes);
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cr.accept(node, 0);
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for (FieldNode fn : node.fields)
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if ((fn.access & Opcodes.ACC_PUBLIC) != 1) {
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++count;
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}
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bh.consume(count);
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}
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}
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@Benchmark
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@BenchmarkMode(Mode.Throughput)
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public void jdkTreeCountFields(Blackhole bh) {
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -41,27 +41,12 @@ import java.lang.classfile.CodeTransform;
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import java.lang.classfile.MethodModel;
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import java.lang.classfile.MethodTransform;
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import jdk.internal.classfile.components.ClassRemapper;
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import jdk.internal.org.objectweb.asm.AnnotationVisitor;
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import jdk.internal.org.objectweb.asm.Attribute;
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import jdk.internal.org.objectweb.asm.ClassReader;
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import jdk.internal.org.objectweb.asm.ClassVisitor;
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import jdk.internal.org.objectweb.asm.FieldVisitor;
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import jdk.internal.org.objectweb.asm.Handle;
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import jdk.internal.org.objectweb.asm.Label;
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import jdk.internal.org.objectweb.asm.MethodVisitor;
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import jdk.internal.org.objectweb.asm.ModuleVisitor;
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import jdk.internal.org.objectweb.asm.Opcodes;
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import jdk.internal.org.objectweb.asm.RecordComponentVisitor;
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import jdk.internal.org.objectweb.asm.TypePath;
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import jdk.internal.org.objectweb.asm.tree.ClassNode;
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/**
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* Transforms
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*/
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public class Transforms {
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static int ASM9 = 9 << 16 | 0 << 8;
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public static final ClassTransform threeLevelNoop = (cb, ce) -> {
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if (ce instanceof MethodModel mm) {
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cb.transformMethod(mm, (mb, me) -> {
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@ -123,38 +108,6 @@ public class Transforms {
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UNSHARED_3(false, threeLevelNoop),
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SHARED_3_NO_STACKMAP(true, threeLevelNoop, ClassFile.StackMapsOption.DROP_STACK_MAPS),
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SHARED_3_NO_DEBUG(true, threeLevelNoop, ClassFile.DebugElementsOption.DROP_DEBUG, ClassFile.LineNumbersOption.DROP_LINE_NUMBERS),
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ASM_1(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(cr, jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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cr.accept(cw, 0);
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return cw.toByteArray();
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}),
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ASM_UNSHARED_1(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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cr.accept(cw, 0);
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return cw.toByteArray();
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}),
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ASM_3(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(cr, jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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cr.accept(new CustomClassVisitor(cw), 0);
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return cw.toByteArray();
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}),
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ASM_UNSHARED_3(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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cr.accept(new CustomClassVisitor(cw), 0);
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return cw.toByteArray();
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}),
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ASM_TREE(bytes -> {
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ClassNode node = new ClassNode();
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ClassReader cr = new ClassReader(bytes);
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cr.accept(node, 0);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(cr, jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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node.accept(cw);
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return cw.toByteArray();
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}),
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CLASS_REMAPPER(bytes ->
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ClassRemapper.of(Map.of()).remapClass(ClassFile.of(), ClassFile.of().parse(bytes)));
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@ -186,12 +139,6 @@ public class Transforms {
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}
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public enum InjectNopTransform {
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ASM_NOP_SHARED(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(cr, jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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cr.accept(new NopClassVisitor(cw), 0);
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return cw.toByteArray();
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}),
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NOP_SHARED(bytes -> {
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var cc = ClassFile.of();
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ClassModel cm = cc.parse(bytes);
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@ -226,13 +173,6 @@ public class Transforms {
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}
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public enum SimpleTransform {
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ASM_ADD_FIELD(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(cr, jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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cr.accept(cw, 0);
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cw.visitField(0, "argleBargleWoogaWooga", "I", null, null);
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return cw.toByteArray();
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}),
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HIGH_SHARED_ADD_FIELD(bytes -> {
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var cc = ClassFile.of();
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ClassModel cm = cc.parse(bytes);
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@ -257,20 +197,6 @@ public class Transforms {
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cb.withField("argleBargleWoogaWooga", ConstantDescs.CD_int, b -> { });
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});
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}),
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ASM_DEL_METHOD(bytes -> {
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ClassReader cr = new ClassReader(bytes);
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jdk.internal.org.objectweb.asm.ClassWriter cw = new jdk.internal.org.objectweb.asm.ClassWriter(cr, jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES);
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ClassVisitor v = new ClassVisitor(ASM9, cw) {
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@Override
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public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
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return (name.equals("hashCode") && descriptor.equals("()Z"))
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? null
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: super.visitMethod(access, name, descriptor, signature, exceptions);
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}
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};
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cr.accept(cw, 0);
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return cw.toByteArray();
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}),
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HIGH_SHARED_DEL_METHOD(bytes -> {
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var cc = ClassFile.of();
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ClassModel cm = cc.parse(bytes);
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@ -303,277 +229,4 @@ public class Transforms {
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}
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}
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static class CustomClassVisitor extends ClassVisitor {
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public CustomClassVisitor(ClassVisitor writer) {
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super(ASM9, writer);
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}
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@Override
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public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
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super.visit(version, access, name, signature, superName, interfaces);
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}
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@Override
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public void visitSource(String source, String debug) {
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super.visitSource(source, debug);
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}
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@Override
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public ModuleVisitor visitModule(String name, int access, String version) {
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return super.visitModule(name, access, version);
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}
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@Override
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public void visitNestHost(String nestHost) {
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super.visitNestHost(nestHost);
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}
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@Override
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public void visitOuterClass(String owner, String name, String descriptor) {
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super.visitOuterClass(owner, name, descriptor);
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}
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@Override
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public AnnotationVisitor visitAnnotation(String descriptor, boolean visible) {
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return super.visitAnnotation(descriptor, visible);
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}
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@Override
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public AnnotationVisitor visitTypeAnnotation(int typeRef, TypePath typePath, String descriptor, boolean visible) {
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return super.visitTypeAnnotation(typeRef, typePath, descriptor, visible);
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}
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@Override
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public void visitAttribute(Attribute attribute) {
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super.visitAttribute(attribute);
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}
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@Override
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public void visitNestMember(String nestMember) {
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super.visitNestMember(nestMember);
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}
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@Override
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public void visitInnerClass(String name, String outerName, String innerName, int access) {
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super.visitInnerClass(name, outerName, innerName, access);
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}
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@Override
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public RecordComponentVisitor visitRecordComponent(String name, String descriptor, String signature) {
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return super.visitRecordComponent(name, descriptor, signature);
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}
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@Override
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public FieldVisitor visitField(int access, String name, String descriptor, String signature, Object value) {
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return super.visitField(access, name, descriptor, signature, value);
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}
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@Override
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public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
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MethodVisitor mv = super.visitMethod(access, name, descriptor, signature, exceptions);
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return new CustomMethodVisitor(mv);
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}
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@Override
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public void visitEnd() {
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super.visitEnd();
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}
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};
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static class CustomMethodVisitor extends MethodVisitor {
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public CustomMethodVisitor(MethodVisitor methodVisitor) {
|
||||
super(ASM9, methodVisitor);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitParameter(String name, int access) {
|
||||
super.visitParameter(name, access);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitAnnotationDefault() {
|
||||
return super.visitAnnotationDefault();
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitAnnotation(String descriptor, boolean visible) {
|
||||
return super.visitAnnotation(descriptor, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitTypeAnnotation(int typeRef, TypePath typePath, String descriptor, boolean visible) {
|
||||
return super.visitTypeAnnotation(typeRef, typePath, descriptor, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitAnnotableParameterCount(int parameterCount, boolean visible) {
|
||||
super.visitAnnotableParameterCount(parameterCount, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitParameterAnnotation(int parameter, String descriptor, boolean visible) {
|
||||
return super.visitParameterAnnotation(parameter, descriptor, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitAttribute(Attribute attribute) {
|
||||
super.visitAttribute(attribute);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitCode() {
|
||||
super.visitCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitFrame(int type, int numLocal, Object[] local, int numStack, Object[] stack) {
|
||||
super.visitFrame(type, numLocal, local, numStack, stack);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitInsn(int opcode) {
|
||||
super.visitInsn(opcode);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitIntInsn(int opcode, int operand) {
|
||||
super.visitIntInsn(opcode, operand);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitVarInsn(int opcode, int var) {
|
||||
super.visitVarInsn(opcode, var);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitTypeInsn(int opcode, String type) {
|
||||
super.visitTypeInsn(opcode, type);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitFieldInsn(int opcode, String owner, String name, String descriptor) {
|
||||
super.visitFieldInsn(opcode, owner, name, descriptor);
|
||||
}
|
||||
|
||||
@Override
|
||||
@SuppressWarnings("deprecation")
|
||||
public void visitMethodInsn(int opcode, String owner, String name, String descriptor) {
|
||||
super.visitMethodInsn(opcode, owner, name, descriptor);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitMethodInsn(int opcode, String owner, String name, String descriptor, boolean isInterface) {
|
||||
super.visitMethodInsn(opcode, owner, name, descriptor, isInterface);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitInvokeDynamicInsn(String name, String descriptor, Handle bootstrapMethodHandle, Object... bootstrapMethodArguments) {
|
||||
super.visitInvokeDynamicInsn(name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitJumpInsn(int opcode, Label label) {
|
||||
super.visitJumpInsn(opcode, label);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitLabel(Label label) {
|
||||
super.visitLabel(label);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitLdcInsn(Object value) {
|
||||
super.visitLdcInsn(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitIincInsn(int var, int increment) {
|
||||
super.visitIincInsn(var, increment);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitTableSwitchInsn(int min, int max, Label dflt, Label... labels) {
|
||||
super.visitTableSwitchInsn(min, max, dflt, labels);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
|
||||
super.visitLookupSwitchInsn(dflt, keys, labels);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitMultiANewArrayInsn(String descriptor, int numDimensions) {
|
||||
super.visitMultiANewArrayInsn(descriptor, numDimensions);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitInsnAnnotation(int typeRef, TypePath typePath, String descriptor, boolean visible) {
|
||||
return super.visitInsnAnnotation(typeRef, typePath, descriptor, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitTryCatchBlock(Label start, Label end, Label handler, String type) {
|
||||
super.visitTryCatchBlock(start, end, handler, type);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitTryCatchAnnotation(int typeRef, TypePath typePath, String descriptor, boolean visible) {
|
||||
return super.visitTryCatchAnnotation(typeRef, typePath, descriptor, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index) {
|
||||
super.visitLocalVariable(name, descriptor, signature, start, end, index);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String descriptor, boolean visible) {
|
||||
return super.visitLocalVariableAnnotation(typeRef, typePath, start, end, index, descriptor, visible);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitLineNumber(int line, Label start) {
|
||||
super.visitLineNumber(line, start);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitMaxs(int maxStack, int maxLocals) {
|
||||
super.visitMaxs(maxStack, maxLocals);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitEnd() {
|
||||
super.visitEnd();
|
||||
}
|
||||
};
|
||||
|
||||
static class NopClassVisitor extends CustomClassVisitor {
|
||||
|
||||
public NopClassVisitor(ClassVisitor writer) {
|
||||
super(writer);
|
||||
}
|
||||
|
||||
@Override
|
||||
public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
|
||||
MethodVisitor mv = super.visitMethod(access, name, descriptor, signature, exceptions);
|
||||
return new NopMethodVisitor(mv);
|
||||
}
|
||||
}
|
||||
|
||||
static class NopMethodVisitor extends CustomMethodVisitor {
|
||||
|
||||
public NopMethodVisitor(MethodVisitor methodVisitor) {
|
||||
super(methodVisitor);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitCode() {
|
||||
super.visitCode();
|
||||
visitInsn(Opcodes.NOP);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2022, 2025, 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
|
||||
@ -25,7 +25,6 @@ package org.openjdk.bench.jdk.classfile;
|
||||
import java.lang.reflect.AccessFlag;
|
||||
import java.lang.classfile.ClassFile;
|
||||
import java.lang.classfile.attribute.SourceFileAttribute;
|
||||
import jdk.internal.org.objectweb.asm.*;
|
||||
import org.openjdk.jmh.annotations.*;
|
||||
import java.io.FileOutputStream;
|
||||
import static java.lang.classfile.ClassFile.ACC_PUBLIC;
|
||||
@ -57,8 +56,6 @@ import static org.openjdk.bench.jdk.classfile.TestConstants.*;
|
||||
@Warmup(iterations = 3)
|
||||
@Measurement(iterations = 5)
|
||||
@Fork(value = 1, jvmArgs = {
|
||||
"--add-exports", "java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED",
|
||||
"--add-exports", "java.base/jdk.internal.org.objectweb.asm.tree=ALL-UNNAMED",
|
||||
"--add-exports", "java.base/jdk.internal.classfile.impl=ALL-UNNAMED"})
|
||||
public class Write {
|
||||
static final int REPEATS = 40;
|
||||
@ -70,76 +67,9 @@ public class Write {
|
||||
}
|
||||
METHOD_NAMES = names;
|
||||
}
|
||||
static String checkFileAsm = "/tmp/asw/MyClass.class";
|
||||
static String checkFileBc = "/tmp/byw/MyClass.class";
|
||||
static boolean writeClassAsm = Files.exists(Paths.get(checkFileAsm).getParent());
|
||||
static boolean writeClassBc = Files.exists(Paths.get(checkFileBc).getParent());
|
||||
|
||||
|
||||
@Benchmark
|
||||
@BenchmarkMode(Mode.Throughput)
|
||||
public byte[] asmStream() {
|
||||
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
|
||||
cw.visit(Opcodes.V12, Opcodes.ACC_PUBLIC, "MyClass", null, "java/lang/Object", null);
|
||||
cw.visitSource("MyClass.java", null);
|
||||
|
||||
{
|
||||
MethodVisitor mv = cw.visitMethod(0, INIT_NAME, "()V", null, null);
|
||||
mv.visitCode();
|
||||
Label startLabel = new Label();
|
||||
Label endLabel = new Label();
|
||||
mv.visitLabel(startLabel);
|
||||
mv.visitVarInsn(Opcodes.ALOAD, 0);
|
||||
mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", INIT_NAME, "()V", false);
|
||||
mv.visitInsn(Opcodes.RETURN);
|
||||
mv.visitLabel(endLabel);
|
||||
mv.visitLocalVariable("this", "LMyClass;", null, startLabel, endLabel, 1);
|
||||
mv.visitMaxs(-1, -1);
|
||||
mv.visitEnd();
|
||||
}
|
||||
|
||||
for (int xi = 0; xi < REPEATS; ++xi) {
|
||||
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC+Opcodes.ACC_STATIC, METHOD_NAMES[xi], "([Ljava/lang/String;)V", null, null);
|
||||
mv.visitCode();
|
||||
Label loopTop = new Label();
|
||||
Label loopEnd = new Label();
|
||||
Label startLabel = new Label();
|
||||
Label endLabel = new Label();
|
||||
Label iStart = new Label();
|
||||
mv.visitLabel(startLabel);
|
||||
mv.visitInsn(Opcodes.ICONST_1);
|
||||
mv.visitVarInsn(Opcodes.ISTORE, 1);
|
||||
mv.visitLabel(iStart);
|
||||
mv.visitInsn(Opcodes.ICONST_1);
|
||||
mv.visitVarInsn(Opcodes.ISTORE, 2);
|
||||
mv.visitLabel(loopTop);
|
||||
mv.visitVarInsn(Opcodes.ILOAD, 2);
|
||||
mv.visitIntInsn(Opcodes.BIPUSH, 10);
|
||||
mv.visitJumpInsn(Opcodes.IF_ICMPGE, loopEnd);
|
||||
mv.visitVarInsn(Opcodes.ILOAD, 1);
|
||||
mv.visitVarInsn(Opcodes.ILOAD, 2);
|
||||
mv.visitInsn(Opcodes.IMUL);
|
||||
mv.visitVarInsn(Opcodes.ISTORE, 1);
|
||||
mv.visitIincInsn(2, 1);
|
||||
mv.visitJumpInsn(Opcodes.GOTO, loopTop);
|
||||
mv.visitLabel(loopEnd);
|
||||
mv.visitFieldInsn(Opcodes.GETSTATIC,"java/lang/System", "out", "Ljava/io/PrintStream;");
|
||||
mv.visitVarInsn(Opcodes.ILOAD, 1);
|
||||
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(I)V", false);
|
||||
mv.visitLabel(endLabel);
|
||||
mv.visitInsn(Opcodes.RETURN);
|
||||
mv.visitLocalVariable("fac", "I", null, startLabel, endLabel, 1);
|
||||
mv.visitLocalVariable("i", "I", null, iStart, loopEnd, 2);
|
||||
mv.visitMaxs(-1, -1);
|
||||
mv.visitEnd();
|
||||
}
|
||||
cw.visitEnd();
|
||||
|
||||
byte[] bytes = cw.toByteArray();
|
||||
if (writeClassAsm) writeClass(bytes, checkFileAsm);
|
||||
return bytes;
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
@BenchmarkMode(Mode.Throughput)
|
||||
public byte[] jdkTree() {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user