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annotate agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86Registers.java @ 3944:35c656d0b685
7090654: nightly failures after 7086585
Reviewed-by: kvn
author | never |
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date | Wed, 14 Sep 2011 13:57:32 -0700 |
parents | c18cbe5936b8 |
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0 | 1 /* |
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2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.asm.x86; | |
26 | |
27 import sun.jvm.hotspot.utilities.*; | |
28 | |
29 public class X86Registers { | |
30 public static final int NUM_REGISTERS = 8; | |
31 | |
32 public static final X86Register EAX; | |
33 public static final X86Register ECX; | |
34 public static final X86Register EDX; | |
35 public static final X86Register EBX; | |
36 public static final X86Register ESP; | |
37 public static final X86Register EBP; | |
38 public static final X86Register ESI; | |
39 public static final X86Register EDI; | |
40 | |
41 public static final X86Register AX; | |
42 public static final X86Register CX; | |
43 public static final X86Register DX; | |
44 public static final X86Register BX; | |
45 public static final X86Register SP; | |
46 public static final X86Register BP; | |
47 public static final X86Register SI; | |
48 public static final X86Register DI; | |
49 | |
50 public static final X86Register AL; | |
51 public static final X86Register CL; | |
52 public static final X86Register DL; | |
53 public static final X86Register BL; | |
54 public static final X86Register AH; | |
55 public static final X86Register CH; | |
56 public static final X86Register DH; | |
57 public static final X86Register BH; | |
58 | |
59 private static X86Register registers8[]; | |
60 private static X86Register registers16[]; | |
61 private static X86Register registers32[]; | |
62 | |
63 static { | |
64 EAX = new X86RegisterPart(0, "%eax", 0, 32); | |
65 ECX = new X86RegisterPart(1, "%ecx", 0, 32); | |
66 EDX = new X86RegisterPart(2, "%edx", 0, 32); | |
67 EBX = new X86RegisterPart(3, "%ebx", 0, 32); | |
68 ESP = new X86RegisterPart(4, "%esp", 0, 32); | |
69 EBP = new X86RegisterPart(5, "%ebp", 0, 32); | |
70 ESI = new X86RegisterPart(6, "%esi", 0, 32); | |
71 EDI = new X86RegisterPart(7, "%edi", 0, 32); | |
72 | |
73 AX = new X86RegisterPart(0, "%ax", 0, 16); | |
74 CX = new X86RegisterPart(1, "%cx", 0, 16); | |
75 DX = new X86RegisterPart(2, "%dx", 0, 16); | |
76 BX = new X86RegisterPart(3, "%bx", 0, 16); | |
77 SP = new X86RegisterPart(4, "%sp", 0, 16); | |
78 BP = new X86RegisterPart(5, "%bp", 0, 16); | |
79 SI = new X86RegisterPart(6, "%si", 0, 16); | |
80 DI = new X86RegisterPart(7, "%di", 0, 16); | |
81 | |
82 AL = new X86RegisterPart(0, "%al", 0, 8); | |
83 CL = new X86RegisterPart(1, "%cl", 0, 8); | |
84 DL = new X86RegisterPart(2, "%dl", 0, 8); | |
85 BL = new X86RegisterPart(3, "%bl", 0, 8); | |
86 AH = new X86RegisterPart(0, "%ah", 8, 8); | |
87 CH = new X86RegisterPart(1, "%ch", 8, 8); | |
88 DH = new X86RegisterPart(2, "%dh", 8, 8); | |
89 BH = new X86RegisterPart(3, "%bh", 8, 8); | |
90 | |
91 registers32 = (new X86Register[] { | |
92 EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI | |
93 }); | |
94 registers16 = (new X86Register[] { | |
95 AX, CX, DX, BX, SP, BP, SI, DI | |
96 }); | |
97 registers8 = (new X86Register[] { | |
98 AL, CL, DL, BL, AH, CH, DH, BH | |
99 }); | |
100 } | |
101 | |
102 public static int getNumberOfRegisters() { | |
103 return NUM_REGISTERS; | |
104 } | |
105 | |
106 public static X86Register getRegister8(int regNum) { | |
107 if (Assert.ASSERTS_ENABLED) { | |
108 Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!"); | |
109 } | |
110 return registers8[regNum]; | |
111 } | |
112 | |
113 public static X86Register getRegister16(int regNum) { | |
114 if (Assert.ASSERTS_ENABLED) { | |
115 Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!"); | |
116 } | |
117 return registers16[regNum]; | |
118 } | |
119 | |
120 public static X86Register getRegister32(int regNum) { | |
121 if (Assert.ASSERTS_ENABLED) { | |
122 Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!"); | |
123 } | |
124 return registers32[regNum]; | |
125 } | |
126 | |
127 //Return the 32bit register name | |
128 public static String getRegisterName(int regNum) { | |
129 if (Assert.ASSERTS_ENABLED) { | |
130 Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!"); | |
131 } | |
132 return registers32[regNum].toString(); | |
133 } | |
134 } |