jpcsp.Allegrex.compiler.nativeCode.HookCodeInstruction.java Source code

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Here is the source code for jpcsp.Allegrex.compiler.nativeCode.HookCodeInstruction.java

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/*
This file is part of jpcsp.
    
Jpcsp is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
Jpcsp 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 for more details.
    
You should have received a copy of the GNU General Public License
along with Jpcsp.  If not, see <http://www.gnu.org/licenses/>.
 */
package jpcsp.Allegrex.compiler.nativeCode;

import org.objectweb.asm.MethodVisitor;

import jpcsp.Allegrex.compiler.CodeInstruction;
import jpcsp.Allegrex.compiler.CompilerContext;

/**
 * @author gid15
 *
 */
public class HookCodeInstruction extends CodeInstruction {
    private NativeCodeSequence nativeCodeSequence;

    public HookCodeInstruction(NativeCodeSequence nativeCodeSequence, CodeInstruction codeInstruction) {
        super(codeInstruction);
        this.nativeCodeSequence = nativeCodeSequence;
    }

    @Override
    public void compile(CompilerContext context, MethodVisitor mv) {
        // Generate the instruction label before the hook call so that
        // the hook is being executed when branching to the instruction.
        if (hasLabel()) {
            mv.visitLabel(getLabel());
            setLabel(null);
        }

        context.visitHook(nativeCodeSequence);
        super.compile(context, mv);
    }
}