0N/A#!/bin/sh
0N/A
0N/A#
2362N/A# Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
0N/A# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A#
0N/A# This code is free software; you can redistribute it and/or modify it
0N/A# under the terms of the GNU General Public License version 2 only, as
0N/A# published by the Free Software Foundation.
0N/A#
0N/A# This code is distributed in the hope that it will be useful, but WITHOUT
0N/A# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A# version 2 for more details (a copy is included in the LICENSE file that
0N/A# accompanied this code).
0N/A#
0N/A# You should have received a copy of the GNU General Public License version
0N/A# 2 along with this work; if not, write to the Free Software Foundation,
0N/A# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A#
2362N/A# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A# or visit www.oracle.com if you need additional information or have any
2362N/A# questions.
0N/A#
0N/A
0N/A# @test
0N/A# @bug 6270982
0N/A# @summary Redefine a class so that the order of external classes in
0N/A# the constant pool are changed.
0N/A# @author dcubed
0N/A#
0N/A# @run shell RedefineChangeClassOrder.sh
0N/A
0N/AcompileOptions=-g
0N/A
0N/A# Would like to run this test with this option:
0N/A# -XX:-FailOverToOldVerifier
0N/A
0N/A# Uncomment this to see the JDI trace
0N/A#jdbOptions=-dbgtrace
0N/A
0N/AcreateJavaFile()
0N/A{
0N/A cat <<EOF > $1.java.1
0N/A
0N/Aimport java.lang.annotation.Retention;
0N/Aimport java.lang.annotation.RetentionPolicy;
0N/A
0N/Apublic class $1 {
0N/A public static void main(String[] args) {
0N/A new $1().hi(false);
0N/A new $1().hi(true); // @1 breakpoint
0N/A }
0N/A
0N/A public void hi(boolean expected) {
0N/A boolean isNewVersion = false; // @1 commentout
0N/A // @1 uncomment boolean isNewVersion = true;
0N/A
0N/A if (expected == isNewVersion) {
0N/A System.out.println("PASS: expected and isNewVersion match.");
0N/A } else {
0N/A System.out.println("FAIL: expected and isNewVersion do not match.");
0N/A System.out.println("expected=" + expected
0N/A + " isNewVersion=" + isNewVersion);
0N/A }
0N/A
0N/A Foo1 foo1 = new Foo1(); // @1 commentout
0N/A foo1.hi(); // @1 commentout
0N/A
0N/A // This Hack code block exists to force some verification_type_info
0N/A // objects of subtype Object_variable_info into the StackMapTable.
0N/A //
0N/A // In the redefined code, the above Foo1 code is effectively
0N/A // moved after the Foo2 code below which causes things to be
0N/A // layed out in a different order in the constant pool. The
0N/A // cpool_index in the Object_variable_info has to be updated
0N/A // in the redefined code's StackMapTable to refer to right
0N/A /// constant pool index in the merged constant pool.
0N/A Hack hack = getClass().getAnnotation(Hack.class);
0N/A if (hack != null) {
0N/A String class_annotation = hack.value();
0N/A System.out.println("class annotation is: " + class_annotation);
0N/A if (isNewVersion) {
0N/A if (class_annotation.equals("JUNK")) {
0N/A System.out.println("class_annotation is JUNK.");
0N/A } else {
0N/A System.out.println("class_annotation is NOT JUNK.");
0N/A }
0N/A }
0N/A }
0N/A
0N/A Foo2 foo2 = new Foo2();
0N/A foo2.hi();
0N/A
0N/A // @1 uncomment Foo1 foo1 = new Foo1();
0N/A // @1 uncomment foo1.hi();
0N/A }
0N/A}
0N/A
0N/Aclass Foo1 {
0N/A public void hi() {
0N/A System.out.println("Hello from " + getClass());
0N/A }
0N/A}
0N/A
0N/Aclass Foo2 {
0N/A public void hi() {
0N/A System.out.println("Hello from " + getClass());
0N/A }
0N/A}
0N/A
0N/A@Retention(RetentionPolicy.RUNTIME)
0N/A@interface Hack {
0N/A String value();
0N/A}
0N/A
0N/AEOF
0N/A}
0N/A
0N/A# This is called to feed cmds to jdb.
0N/AdojdbCmds()
0N/A{
0N/A setBkpts @1
0N/A runToBkpt @1
0N/A redefineClass @1
0N/A cmd cont
0N/A}
0N/A
0N/A
0N/Amysetup()
0N/A{
0N/A if [ -z "$TESTSRC" ] ; then
0N/A TESTSRC=.
0N/A fi
0N/A
0N/A for ii in . $TESTSRC $TESTSRC/.. ; do
0N/A if [ -r "$ii/ShellScaffold.sh" ] ; then
0N/A . $ii/ShellScaffold.sh
0N/A break
0N/A fi
0N/A done
0N/A}
0N/A
0N/A# You could replace this next line with the contents
0N/A# of ShellScaffold.sh and this script will run just the same.
0N/Amysetup
0N/A
0N/Arunit
0N/A
0N/AdebuggeeFailIfPresent 'FAIL:'
0N/Apass