Mercurial > hg > truffle
comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/amd64/AMD64IndexRegister64.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 |
parents | |
children | bc8527f3071c |
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3732:3e2e8b8abdaf | 3733:e233f5660da4 |
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1 /* | |
2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.sun.max.asm.amd64; | |
24 | |
25 import com.sun.max.asm.x86.*; | |
26 import com.sun.max.lang.*; | |
27 import com.sun.max.util.*; | |
28 | |
29 /** | |
30 * Aliases for 64-bit AMD64 general registers to be used as index registers. | |
31 */ | |
32 public enum AMD64IndexRegister64 implements GeneralRegister<AMD64IndexRegister64> { | |
33 | |
34 RAX_INDEX, | |
35 RCX_INDEX, | |
36 RDX_INDEX, | |
37 RBX_INDEX, | |
38 // no RSP_INDEX! | |
39 RBP_INDEX, | |
40 RSI_INDEX, | |
41 RDI_INDEX, | |
42 R8_INDEX, | |
43 R9_INDEX, | |
44 R10_INDEX, | |
45 R11_INDEX, | |
46 R12_INDEX, | |
47 R13_INDEX, | |
48 R14_INDEX, | |
49 R15_INDEX; | |
50 | |
51 public static AMD64IndexRegister64 from(GeneralRegister generalRegister) { | |
52 int ordinal = generalRegister.id(); | |
53 if (ordinal >= AMD64GeneralRegister64.RSP.id()) { | |
54 ordinal--; | |
55 } | |
56 return ENUMERATOR.get(ordinal); | |
57 } | |
58 | |
59 public int id() { | |
60 int ordinal = ordinal(); | |
61 if (ordinal >= AMD64GeneralRegister64.RSP.id()) { | |
62 ordinal++; | |
63 } | |
64 return ordinal; | |
65 } | |
66 | |
67 public WordWidth width() { | |
68 return WordWidth.BITS_64; | |
69 } | |
70 | |
71 public int value() { | |
72 return id(); | |
73 } | |
74 | |
75 public long asLong() { | |
76 return value(); | |
77 } | |
78 | |
79 public String externalValue() { | |
80 return AMD64GeneralRegister64.from(this).externalValue(); | |
81 } | |
82 | |
83 public String disassembledValue() { | |
84 return AMD64GeneralRegister64.from(this).disassembledValue(); | |
85 } | |
86 | |
87 public Enumerator<AMD64IndexRegister64> enumerator() { | |
88 return ENUMERATOR; | |
89 } | |
90 | |
91 public AMD64IndexRegister64 exampleValue() { | |
92 return RSI_INDEX; | |
93 } | |
94 | |
95 public static final Enumerator<AMD64IndexRegister64> ENUMERATOR = new Enumerator<AMD64IndexRegister64>(AMD64IndexRegister64.class); | |
96 } |