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/*
* Copyright (c) 2015, 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.
*
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package jdk.vm.ci.hotspot;
import jdk.vm.ci.code.stack.InspectedFrameVisitor;
import jdk.vm.ci.code.stack.StackIntrospection;
import jdk.vm.ci.meta.ResolvedJavaMethod;
public class HotSpotStackIntrospection implements StackIntrospection {
protected final HotSpotJVMCIRuntimeProvider runtime;
public HotSpotStackIntrospection(HotSpotJVMCIRuntimeProvider runtime) {
this.runtime = runtime;
}
@Override
public <T> T iterateFrames(ResolvedJavaMethod[] initialMethods, ResolvedJavaMethod[] matchingMethods, int initialSkip, InspectedFrameVisitor<T> visitor) {
CompilerToVM compilerToVM = runtime.getCompilerToVM();
HotSpotStackFrameReference current = compilerToVM.getNextStackFrame(null, initialMethods, initialSkip);
while (current != null) {
T result = visitor.visitFrame(current);
if (result != null) {
return result;
}
current = compilerToVM.getNextStackFrame(current, matchingMethods, 0);
}
return null;
}
}