Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/asm/FrameContext.java @ 13336:d4c6dd07be76
SL: added exemplary uses of new profiling utility BranchProfile to SL.
author | Christian Humer <christian.humer@gmail.com> |
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date | Sun, 15 Dec 2013 22:20:12 +0100 |
parents | 7e237378923d |
children |
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/* * Copyright (c) 2012, 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.lir.asm; /** * Code for managing a method's native frame. */ public interface FrameContext { /** * Emits code common to all entry points of a method. This may include: * <ul> * <li>setting up the stack frame</li> * <li>saving callee-saved registers</li> * <li>stack overflow checking</li> * </ul> */ void enter(CompilationResultBuilder crb); /** * Emits code to be executed just prior to returning from a method. This may include: * <ul> * <li>restoring callee-saved registers</li> * <li>performing a safepoint</li> * <li>destroying the stack frame</li> * </ul> */ void leave(CompilationResultBuilder crb); /** * Determines if a frame is set up and torn down by this object. */ boolean hasFrame(); }