6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
Summary: Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.
Reviewed-by: never
/*
* Copyright 2000-2005 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
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*/
package sun.jvm.hotspot.code;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.VM;
import sun.jvm.hotspot.utilities.*;
public class DebugInfoReadStream extends CompressedReadStream {
private NMethod code;
private int InvocationEntryBCI;
private List objectPool; // ArrayList<ObjectValue>
public DebugInfoReadStream(NMethod code, int offset) {
super(code.scopesDataBegin(), offset);
InvocationEntryBCI = VM.getVM().getInvocationEntryBCI();
this.code = code;
this.objectPool = null;
}
public DebugInfoReadStream(NMethod code, int offset, List objectPool) {
super(code.scopesDataBegin(), offset);
InvocationEntryBCI = VM.getVM().getInvocationEntryBCI();
this.code = code;
this.objectPool = objectPool;
}
public OopHandle readOopHandle() {
return code.getOopAt(readInt());
}
ScopeValue readObjectValue() {
int id = readInt();
if (Assert.ASSERTS_ENABLED) {
Assert.that(objectPool != null, "object pool does not exist");
for (Iterator itr = objectPool.iterator(); itr.hasNext();) {
ObjectValue ov = (ObjectValue) itr.next();
Assert.that(ov.id() != id, "should not be read twice");
}
}
ObjectValue result = new ObjectValue(id);
// Cache the object since an object field could reference it.
objectPool.add(result);
result.readObject(this);
return result;
}
ScopeValue getCachedObject() {
int id = readInt();
Assert.that(objectPool != null, "object pool does not exist");
for (Iterator itr = objectPool.iterator(); itr.hasNext();) {
ObjectValue ov = (ObjectValue) itr.next();
if (ov.id() == id) {
return ov;
}
}
Assert.that(false, "should not reach here");
return null;
}
public int readBCI() {
return readInt() + InvocationEntryBCI;
}
}