1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/runtime/stackMapCheck/BadMapDstore.jasm Wed Mar 25 08:16:48 2015 -0400
1.3 @@ -0,0 +1,79 @@
1.4 + /*
1.5 + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +/*
1.29 + * This class should throw VerifyError because the StackMap for bytecode index
1.30 + * 9 (dstore_2, line 60) is incorrect. The stack maps for bytecode indexes 9
1.31 + * and 18 (astore_2, line 70) do not match because 9 does not supply enough
1.32 + * locals to satisfy 18.
1.33 + *
1.34 + * The dstore_2 bytecode at bytecode index 9 changes the type state,
1.35 + * preventing the stackmap mismatch. But, if the incoming type state is used,
1.36 + * as required by JVM Spec 8, then the verifier will detected the stackmap
1.37 + * mismatch, and throw VerifyError.
1.38 + */
1.39 +
1.40 +super public class BadMapDstore
1.41 + version 51:0
1.42 +{
1.43 +
1.44 +Field blah:I;
1.45 +
1.46 +public Method "<init>":"()V"
1.47 + stack 1 locals 1
1.48 +{
1.49 + aload_0;
1.50 + invokespecial Method java/lang/Object."<init>":"()V";
1.51 + return;
1.52 +}
1.53 +
1.54 +public static Method main:"([Ljava/lang/String;)V"
1.55 + stack 4 locals 4
1.56 +{
1.57 + new class BadMapDstore;
1.58 + dup;
1.59 + invokespecial Method "<init>":"()V";
1.60 + astore_1;
1.61 + dconst_1;
1.62 + try t0;
1.63 + dstore_2;
1.64 + aload_1;
1.65 + iconst_5;
1.66 + putfield Field blah:"I";
1.67 + endtry t0;
1.68 + goto L22;
1.69 + catch t0 java/lang/Throwable;
1.70 + stack_frame_type full;
1.71 + locals_map class "[Ljava/lang/String;", class BadMapDstore, double;
1.72 + stack_map class java/lang/Throwable;
1.73 + astore_2;
1.74 + aload_1;
1.75 + dconst_0;
1.76 + dstore_2;
1.77 + pop;
1.78 + L22: stack_frame_type same;
1.79 + return;
1.80 +}
1.81 +
1.82 +} // end Class BadMapDstore
