3789983e89
Reviewed-by: darcy, ihse
90 lines
3.2 KiB
Java
90 lines
3.2 KiB
Java
/*
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* Copyright (c) 2011, 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 6865265
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* @summary JVM crashes with "missing exception handler" error
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* @author volker.simonis@sap.com
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*
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* @run main/othervm -XX:CompileThreshold=100 -Xbatch -Xss512k
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* compiler.runtime.StackOverflowBug
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*/
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package compiler.runtime;
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public class StackOverflowBug {
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public static int run() {
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try {
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try {
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return run();
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} catch (Throwable e) {
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// Notice that the class 'Throwable' is NOT resolved by the verifier,
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// because the verifier only checks if 'Throwable' is assignable to
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// 'java.lang.Throwable' and this check succeeds immediately if the two
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// types have equal names (see 'VerificationType::is_assignable_from' which
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// is called from 'ClassVerifier::verify_exception_handler_table').
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// This is strange, because if the two classes have different names,
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// 'is_assignable_from()' calls 'is_reference_assignable_from()' which resolves
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// both classes by calling 'SystemDictionary::resolve_or_fail()'. This call
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// also takes into account the current class loader (i.e. the one which was used
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// to load this class) and would place a corresponding
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// "java.lang.Throwable / current-Classloader" entry into the system dictionary.
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// This would in turn allow C2 to see 'java.lang.Throwable' as "loaded"
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// (see 'Parse::catch_inline_exceptions()') when this method is compiled.
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return 42;
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}
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} finally {
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}
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}
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public static void main(String argv[]) {
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run();
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}
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}
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/*
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public static int run();
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Code:
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0: invokestatic #2 // Method run:()I
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3: istore_0
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4: iload_0
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5: ireturn
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6: astore_0
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7: bipush 42
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9: istore_1
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10: iload_1
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11: ireturn
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12: astore_2
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13: aload_2
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14: athrow
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Exception table:
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from to target type
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0 4 6 Class java/lang/Throwable
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0 4 12 any
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6 10 12 any
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12 13 12 any
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*/
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