| /* |
| * This file is part of the Jikes RVM project (http://jikesrvm.org). |
| * |
| * This file is licensed to You under the Common Public License (CPL); |
| * 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/cpl1.0.php |
| * |
| * See the COPYRIGHT.txt file distributed with this work for information |
| * regarding copyright ownership. |
| */ |
| package org.vmmagic.pragma; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.lang.annotation.ElementType; |
| import org.vmmagic.Pragma; |
| |
| /** |
| * Methods of a class that implements this interface are treated specially |
| * by the compilers. |
| * |
| * <p>Instead of saving just the non-volatile registers used by the method into |
| * the register save area of the method's stackframe, the compiler generates |
| * code to save *all* GPR and FPR registers except GPR0, FPR0, JTOC, and FP. |
| * |
| * <p>Methods of a class that implement this interface may not return. |
| * (it is assumed that execution is resumed via a call to Magic.dynamicBridgeTo) |
| * |
| * @see org.jikesrvm.runtime.Magic#dynamicBridgeTo(org.jikesrvm.ArchitectureSpecific.CodeArray) |
| */ |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.TYPE) |
| @Pragma |
| public @interface DynamicBridge { } |