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/*
* Copyright (c) 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* 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 compiler/interpreter;
// We need a class file format version < 50:0 so we do not need to specify a
// stack map for the unreachable bytecodes, which are the reason this test
// relies on a JASM implementation.
super class TestVerifyStackWithUnreachableBytecodeImpl version 49:0
{
public Method "<init>":"()V"
stack 1 locals 1
{
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
public static Method testAreturn:"()Ljava/lang/Object;"
stack 1 locals 0
{
// If A not loaded -> trap for TestVerifyStackWithUnreachableBytecodeA unloaded
// If a loaded, but TestVerifyStackWithUnreachableBytecodeB not -> assume TestVerifyStackWithUnreachableBytecodeA.val null, else trap.
// -> "null_assert_or_unreached0"
getstatic Field compiler/interpreter/TestVerifyStackWithUnreachableBytecodeA.val:"Lcompiler/interpreter/TestVerifyStackWithUnreachableBytecodeB;";
areturn;
// some unreachable instruction after return
iconst_0;
}
public static Method testReturn:"()V"
stack 1 locals 0
{
getstatic Field compiler/interpreter/TestVerifyStackWithUnreachableBytecodeA.val:"Lcompiler/interpreter/TestVerifyStackWithUnreachableBytecodeB;";
return;
// unreachable
iconst_0;
}
public static Method testGoto:"()V"
stack 1 locals 0
{
getstatic Field compiler/interpreter/TestVerifyStackWithUnreachableBytecodeA.val:"Lcompiler/interpreter/TestVerifyStackWithUnreachableBytecodeB;";
goto There;
// unreachable
iconst_0;
There:
return;
}
public static Method testGotow:"()V"
stack 1 locals 0
{
getstatic Field compiler/interpreter/TestVerifyStackWithUnreachableBytecodeA.val:"Lcompiler/interpreter/TestVerifyStackWithUnreachableBytecodeB;";
goto_w There;
// unreachable
iconst_0;
There:
return;
}
}
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