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comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/ia32/IA32AssemblerGenerator.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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3732:3e2e8b8abdaf 3733:e233f5660da4
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.gen.cisc.ia32;
24
25 import java.util.*;
26
27 import com.sun.max.asm.*;
28 import com.sun.max.asm.dis.*;
29 import com.sun.max.asm.dis.ia32.*;
30 import com.sun.max.asm.gen.cisc.x86.*;
31 import com.sun.max.asm.ia32.*;
32 import com.sun.max.asm.ia32.complete.*;
33 import com.sun.max.io.*;
34 import com.sun.max.lang.*;
35
36 /**
37 * Run this program to generate the IA32RawAssembler and IA32LabelAssembler classes.
38 */
39 public class IA32AssemblerGenerator extends X86AssemblerGenerator<IA32Template> {
40
41 public IA32AssemblerGenerator() {
42 super(IA32Assembly.ASSEMBLY, WordWidth.BITS_32);
43 }
44
45 public static void main(String[] programArguments) {
46 final IA32AssemblerGenerator generator = new IA32AssemblerGenerator();
47 generator.options.parseArguments(programArguments);
48 generator.generate();
49 }
50
51 @Override
52 protected void printModVariants(IndentWriter stream, IA32Template template) {
53 if (template.modCase() != X86TemplateContext.ModCase.MOD_0 || template.parameters().size() == 0) {
54 return;
55 }
56 switch (template.rmCase()) {
57 case NORMAL: {
58 switch (template.addressSizeAttribute()) {
59 case BITS_16:
60 printModVariant(stream, template, IA32IndirectRegister16.BP_INDIRECT);
61 break;
62 default:
63 printModVariant(stream, template, IA32IndirectRegister32.EBP_INDIRECT);
64 break;
65 }
66 break;
67 }
68 case SIB: {
69 switch (template.sibBaseCase()) {
70 case GENERAL_REGISTER:
71 printModVariant(stream, template, IA32BaseRegister32.EBP_BASE);
72 break;
73 default:
74 break;
75 }
76 break;
77 }
78 default: {
79 break;
80 }
81 }
82 }
83
84 @Override
85 protected void printSibVariants(IndentWriter stream, IA32Template template) {
86 if (template.modCase() != null && template.modCase() != X86TemplateContext.ModCase.MOD_3 &&
87 template.rmCase() == X86TemplateContext.RMCase.NORMAL &&
88 template.addressSizeAttribute() == WordWidth.BITS_32 &&
89 template.parameters().size() > 0) {
90 printSibVariant(stream, template, IA32IndirectRegister32.ESP_INDIRECT);
91 }
92 }
93
94 @Override
95 protected DisassembledInstruction generateExampleInstruction(IA32Template template, List<Argument> arguments) throws AssemblyException {
96 final IA32Assembler assembler = new IA32Assembler(0);
97 assembly().assemble(assembler, template, arguments);
98 final byte[] bytes = assembler.toByteArray();
99 return new DisassembledInstruction(new IA32Disassembler(0, null), 0, bytes, template, arguments);
100 }
101 }