/*
* Copyright (c) 2014, 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
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*/
package sun.jvm.hotspot.oops;
import java.io.*;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.utilities.*;
// CallTypeData
//
// A CallTypeData is used to access profiling information about a non
// virtual call for which we collect type information about arguments
// and return value.
public class CallTypeData<K,M> extends CounterData implements CallTypeDataInterface<K> {
final TypeStackSlotEntries<K,M> args;
final ReturnTypeEntry<K,M> ret;
int cellCountGlobalOffset() {
return CounterData.staticCellCount() + TypeEntriesAtCall.cellCountLocalOffset();
}
int cellCountNoHeader() {
return uintAt(cellCountGlobalOffset());
}
public CallTypeData(MethodDataInterface<K,M> methodData, DataLayout layout) {
super(layout);
args = new TypeStackSlotEntries<K,M>(methodData, this, CounterData.staticCellCount()+TypeEntriesAtCall.headerCellCount(), numberOfArguments());
ret = new ReturnTypeEntry<K,M>(methodData, this, cellCount() - ReturnTypeEntry.staticCellCount());
}
static int staticCellCount() {
return -1;
}
public int cellCount() {
return CounterData.staticCellCount() +
TypeEntriesAtCall.headerCellCount() +
intAt(cellCountGlobalOffset());
}
public int numberOfArguments() {
return cellCountNoHeader() / TypeStackSlotEntries.perArgCount();
}
public boolean hasArguments() {
return cellCountNoHeader() >= TypeStackSlotEntries.perArgCount();
}
public K argumentType(int i) {
return args.type(i);
}
public boolean hasReturn() {
return (cellCountNoHeader() % TypeStackSlotEntries.perArgCount()) != 0;
}
public K returnType() {
return ret.type();
}
public int argumentTypeIndex(int i) {
return args.typeIndex(i);
}
public int returnTypeIndex() {
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