Mercurial > hg > truffle
annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/ppc/complete/PPCAssembler.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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1 /* |
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.sun.max.asm.ppc.complete; |
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24 |
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25 import com.sun.max.asm.*; |
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26 |
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27 /** |
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28 * The base class for the 32-bit and 64-bit PowerPC assemblers. This class also defines |
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29 * the more complex synthetic PowerPC instructions. |
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30 */ |
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31 public abstract class PPCAssembler extends PPCLabelAssembler { |
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32 |
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33 @Override |
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34 protected void emitPadding(int numberOfBytes) throws AssemblyException { |
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35 if ((numberOfBytes % 4) != 0) { |
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36 throw new AssemblyException("Cannot pad instruction stream with a number of bytes not divisble by 4"); |
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37 } |
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38 for (int i = 0; i < numberOfBytes / 4; i++) { |
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39 nop(); |
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40 } |
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41 } |
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42 } |