001/* 002 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. 008 * 009 * This code is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 012 * version 2 for more details (a copy is included in the LICENSE file that 013 * accompanied this code). 014 * 015 * You should have received a copy of the GNU General Public License version 016 * 2 along with this work; if not, write to the Free Software Foundation, 017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 018 * 019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 020 * or visit www.oracle.com if you need additional information or have any 021 * questions. 022 */ 023package com.oracle.graal.nodes.spi; 024 025import com.oracle.graal.compiler.common.type.*; 026import com.oracle.graal.nodes.extended.*; 027 028/** 029 * Provides a capability for creating platform dependent stamps. 030 */ 031public interface StampProvider { 032 033 /** 034 * Create the stamp of the {@link LoadHubNode hub} of an object. 035 */ 036 Stamp createHubStamp(ObjectStamp object); 037 038 /** 039 * Create the stamp of a possibly null hub. 040 */ 041 Stamp createHubStamp(boolean nonNull); 042 043 /** 044 * Create the stamp of a pointer to a method. 045 */ 046 Stamp createMethodStamp(); 047}