/*
* Copyright (c) 2011, 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 com.oracle.max.graal.hotspot;
import com.sun.cri.ci.*;
/**
* Used to communicate configuration details, runtime offsets, etc. to graal upon compileMethod.
*/
public final class HotSpotVMConfig extends CompilerObject {
private HotSpotVMConfig() {
super(null);
}
// os information, register layout, code generation, ...
public boolean windowsOs;
public int codeEntryAlignment;
public boolean verifyPointers;
public boolean useFastLocking;
public boolean useFastNewObjectArray;
public boolean useFastNewTypeArray;
// offsets, ...
public int vmPageSize;
public int stackShadowPages;
public int hubOffset;
public int arrayLengthOffset;
public int klassStateOffset;
public int klassStateFullyInitialized;
public int[] arrayOffsets;
public int arrayClassElementOffset;
public int threadTlabTopOffset;
public int threadTlabEndOffset;
public int threadObjectOffset;
public int instanceHeaderPrototypeOffset;
public int threadExceptionOopOffset;
public int threadExceptionPcOffset;
public int threadMultiNewArrayStorage;
public long cardtableStartAddress;
public int cardtableShift;
public long safepointPollingAddress;
public boolean isPollingPageFar;
public int classMirrorOffset;
public int runtimeCallStackSize;
public int klassModifierFlagsOffset;
public int klassOopOffset;
public int nmethodEntryOffset;
// runtime stubs
public long debugStub;
public long instanceofStub;
public long newInstanceStub;
public long unresolvedNewInstanceStub;
public long newTypeArrayStub;
public long newObjectArrayStub;
public long newMultiArrayStub;
public long loadKlassStub;
public long accessFieldStub;
public long resolveStaticCallStub;
public long inlineCacheMissStub;
public long unwindExceptionStub;
public long handleExceptionStub;
public long handleDeoptStub;
public long monitorEnterStub;
public long monitorExitStub;
public long fastMonitorEnterStub;
public long fastMonitorExitStub;
public long verifyPointerStub;
public void check() {
assert vmPageSize >= 16;
assert codeEntryAlignment > 0;
assert stackShadowPages > 0;
}
public int getArrayOffset(CiKind kind) {
return arrayOffsets[getKindNumber(kind)];
}
private int getKindNumber(CiKind kind) {
if (kind == CiKind.Boolean) {
return 0;
} else if (kind == CiKind.Byte) {
return 1;
} else if (kind == CiKind.Short) {
return 2;
} else if (kind == CiKind.Char) {
return 3;
} else if (kind == CiKind.Int) {
return 4;
} else if (kind == CiKind.Float) {
return 5;
} else if (kind == CiKind.Long) {
return 6;
} else if (kind == CiKind.Double) {
return 7;
} else if (kind == CiKind.Object) {
return 8;
} else {
throw new RuntimeException(kind + " is not a Java kind");
}
}
}