209 lines
8.8 KiB
Java
209 lines
8.8 KiB
Java
/*
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* Copyright (c) 2017, 2023, 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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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8174954
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* @library /test/lib
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* @modules java.base/jdk.internal.org.objectweb.asm
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* @compile -XDignore.symbol.file BSMCalledTwice.java
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* @run main BSMCalledTwice
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*/
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/*
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* @test
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* @bug 8262134
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* @library /test/lib
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* @requires vm.debug
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* @modules java.base/jdk.internal.org.objectweb.asm
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* @compile -XDignore.symbol.file BSMCalledTwice.java
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* @run main/othervm -Xcomp -XX:CompileCommand=compileonly,TestC::* -XX:+DeoptimizeALot -XX:+VerifyStack BSMCalledTwice
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*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.util.*;
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import static jdk.internal.org.objectweb.asm.Opcodes.*;
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import jdk.internal.org.objectweb.asm.*;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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// BSMCalledTwice generates a class file named "TestC.class" that contains
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// bytecodes that represent the following program
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//
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// public class TestC {
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// public static void main(java.lang.String[] arg) {
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// for (int i=0; i < 2; i++) {
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// try {
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// String f = "friend";
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//
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// // The "hello " + f in the following statement produces an
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// // invokedynamic with a BSM of
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// // StringConcatFactory.java/makeConcatWithConstants.
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// // The ASM below erroneously puts 2 static arguments, "hello "
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// // and "goodbye" on the stack for the BSM. Causing a exception to
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// // be thrown when creatingthe CallSite object.
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// System.out.println("hello " + f); <--------------- invokedynamic
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//
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// } catch (Error e) {
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// System.out.println("Caught Error:");
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// System.out.println(e.getMessage());
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// e.printStackTrace();
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// }
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// }
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// }
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// }
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//
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public class BSMCalledTwice implements Opcodes {
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static final String classTestCName = "TestC";
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public static int count_makeSite(String text) {
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int count = 0;
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String text_ptr = text;
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while (text_ptr.indexOf("makeSite") != -1) {
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text_ptr = text_ptr.substring(text_ptr.indexOf("makeSite") + 1);
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count++;
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}
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return count;
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}
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public static void main(String[] args) throws Exception {
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ClassLoader cl = new ClassLoader() {
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public Class<?> loadClass(String name) throws ClassNotFoundException {
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if (findLoadedClass(name) != null) {
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return findLoadedClass(name);
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}
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if (classTestCName.equals(name)) {
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byte[] classFile = null;
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try {
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classFile = dumpTestC();
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} catch (Exception e) {
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}
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return defineClass(classTestCName, classFile, 0, classFile.length);
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}
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return super.loadClass(name);
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}
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};
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cl.loadClass(classTestCName);
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ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder("-cp", ".", classTestCName);
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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String test_output = output.getOutput();
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if (test_output == null) {
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throw new RuntimeException("Test failed, null test output");
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}
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// "makeSite" is currently listed twice in the exception stacks for each
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// failing call to the BootstrapMethod. So more that two calls means
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// that the BootstrapMethod was called more than once.
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int count = count_makeSite(test_output);
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if (count < 1 || count > 2) {
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throw new RuntimeException("Test failed, bad number of calls to BootstrapMethod");
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}
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output.shouldHaveExitValue(0);
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}
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public static byte[] dumpTestC () throws Exception {
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ClassWriter cw = new ClassWriter(0);
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FieldVisitor fv;
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(53, ACC_PUBLIC + ACC_SUPER, classTestCName, null, "java/lang/Object", null);
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cw.visitInnerClass("java/lang/invoke/MethodHandles$Lookup",
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"java/lang/invoke/MethodHandles", "Lookup",
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ACC_PUBLIC + ACC_FINAL + ACC_STATIC);
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{
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mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
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mv.visitInsn(RETURN);
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mv.visitMaxs(1, 1);
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mv.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
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mv.visitCode();
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Label l0 = new Label();
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Label l1 = new Label();
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Label l2 = new Label();
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mv.visitTryCatchBlock(l0, l1, l2, "java/lang/Error");
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mv.visitInsn(ICONST_0);
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mv.visitVarInsn(ISTORE, 1);
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Label l3 = new Label();
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mv.visitLabel(l3);
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mv.visitFrame(Opcodes.F_APPEND,1, new Object[] {Opcodes.INTEGER}, 0, null);
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mv.visitVarInsn(ILOAD, 1);
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mv.visitInsn(ICONST_2);
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Label l4 = new Label();
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mv.visitJumpInsn(IF_ICMPGE, l4);
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mv.visitLabel(l0);
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mv.visitLdcInsn("friend");
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mv.visitVarInsn(ASTORE, 2);
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mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
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mv.visitVarInsn(ALOAD, 2);
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mv.visitInvokeDynamicInsn("makeConcatWithConstants",
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"(Ljava/lang/String;)Ljava/lang/String;",
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new Handle(Opcodes.H_INVOKESTATIC,
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"java/lang/invoke/StringConcatFactory",
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"makeConcatWithConstants",
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"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;"),
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new Object[]{"hello \u0001", "goodbye"});
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
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mv.visitLabel(l1);
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Label l5 = new Label();
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mv.visitJumpInsn(GOTO, l5);
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mv.visitLabel(l2);
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mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Error"});
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mv.visitVarInsn(ASTORE, 2);
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mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
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mv.visitLdcInsn("Caught Error:");
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
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mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
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mv.visitVarInsn(ALOAD, 2);
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Error", "getMessage", "()Ljava/lang/String;", false);
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
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mv.visitVarInsn(ALOAD, 2);
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Error", "printStackTrace", "()V", false);
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mv.visitLabel(l5);
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mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
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mv.visitIincInsn(1, 1);
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mv.visitJumpInsn(GOTO, l3);
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mv.visitLabel(l4);
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mv.visitFrame(Opcodes.F_CHOP,1, null, 0, null);
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mv.visitInsn(RETURN);
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mv.visitMaxs(2, 3);
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mv.visitEnd();
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}
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cw.visitEnd();
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try(FileOutputStream fos = new FileOutputStream(new File("TestC.class"))) {
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fos.write(cw.toByteArray());
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}
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return cw.toByteArray();
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}
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}
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