/*
 * Copyright (c) 2014, 2017, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 com.oracle.svm.core.stack;

import org.graalvm.nativeimage.c.function.CodePointer;
import org.graalvm.nativeimage.c.struct.RawField;
import org.graalvm.nativeimage.c.struct.RawStructure;
import org.graalvm.word.Pointer;
import org.graalvm.word.PointerBase;

A stack-based structure that is present in the stack frame of a Java method that calls to C code. It stores the last Java frame information (stack pointer and instruction pointer), so that stack walking can start the stack walk from there. The head of the linked list is maintained by JavaFrameAnchors /**
 * A stack-based structure that is present in the stack frame of a Java method that calls to C code.
 * It stores the last Java frame information (stack pointer and instruction pointer), so that stack
 * walking can start the stack walk from there. The head of the linked list is maintained by
 * {@link JavaFrameAnchors}
 */
@RawStructure
public interface JavaFrameAnchor extends PointerBase {
    @RawField
    JavaFrameAnchor getPreviousAnchor();

    @RawField
    void setPreviousAnchor(JavaFrameAnchor value);

    @RawField
    Pointer getLastJavaSP();

    @RawField
    void setLastJavaSP(Pointer value);

    @RawField
    CodePointer getLastJavaIP();

    @RawField
    void setLastJavaIP(CodePointer value);
}