/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.compilers.common.assembler.ppc;
import org.jikesrvm.compilers.common.assembler.AbstractAssembler;
import org.jikesrvm.compilers.common.assembler.ForwardReference;
/**
* This class was formerly a private static inner class of Assembler, but has
* been pulled out to work around a bug whereby the system seems to have gotten
* confused by the relationship between:
* <p>
* ForwardReference -> ForwardReference.ShortBranch -> Assembler.ShortBranch, and Assembler
* <p>
* This problem does not exist under IA32 since there is no need for Assembler.ShortBranch
*/
class AssemblerShortBranch extends ForwardReference.ShortBranch {
final int spTopOffset;
AssemblerShortBranch(int source, int sp) {
super(source);
spTopOffset = sp;
}
@Override
public void resolve(AbstractAssembler asm) {
super.resolve(asm);
if (((Assembler) asm).compiler != null) {
((Assembler) asm).compiler.spTopOffset = spTopOffset;
}
}
}