1 /*
2 * Copyright (c) 2017, 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
24 package jdk.tools.jaotc.binformat.pecoff;
25
26 /**
27 *
28 * Support for the creation of Coff files.
29 * Current support is limited to 64 bit x86_64.
30 *
31 */
32
33 public class PECoff {
34
35 /**
36 * IMAGE_FILE_HEADER structure defines
37 */
38 public enum IMAGE_FILE_HEADER {
39 Machine( 0, 2),
40 NumberOfSections( 2, 2),
41 TimeDateStamp( 4, 4),
42 PointerToSymbolTable( 8, 4),
43 NumberOfSymbols(12, 4),
44 SizeOfOptionalHeader(16, 2),
45 Characteristics(18, 2);
46
47 public final int off;
48 public final int sz;
49
50 IMAGE_FILE_HEADER(int offset, int size) {
51 this.off = offset;
52 this.sz = size;
53 }
54
55 public static int totalsize = 20;
56
57 /**
58 * IMAGE_FILE_HEADER defines
59 */
60
61 /**
62 * Machine
63 */
64 public static final char IMAGE_FILE_MACHINE_UNKNOWN = 0x0;
65 public static final char IMAGE_FILE_MACHINE_AMD64 = 0x8664;
66
67 }
68
69 /**
70 * IMAGE_SECTION_HEADER structure defines
71 */
72 public enum IMAGE_SECTION_HEADER {
73 Name( 0, 8),
74 PhysicalAddress( 8, 4),
75 VirtualSize( 8, 4),
76 VirtualAddress(12, 4),
77 SizeOfRawData(16, 4),
78 PointerToRawData(20, 4),
79 PointerToRelocations(24, 4),
80 PointerToLinenumbers(28, 4),
81 NumberOfRelocations(32, 2),
82 NumberOfLinenumbers(34, 2),
83 Characteristics(36, 4);
84
85 public final int off;
86 public final int sz;
87
88 IMAGE_SECTION_HEADER(int offset, int size) {
89 this.off = offset;
90 this.sz = size;
91 }
92
93 public static int totalsize = 40;
94
95 /**
96 * IMAGE_SECTION_HEADER defines
97 */
98
99 /**
100 * Characteristics
101 */
102 public static final int IMAGE_SCN_CNT_CODE = 0x20;
103 public static final int IMAGE_SCN_CNT_INITIALIZED_DATA = 0x40;
104 public static final int IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x80;
105 public static final int IMAGE_SCN_LNK_COMDAT = 0x1000;
106 public static final int IMAGE_SCN_LNK_INFO = 0x200;
107 public static final int IMAGE_SCN_LNK_REMOVE = 0x800;
108
109 public static final int IMAGE_SCN_ALIGN_1BYTES = 0x100000;
110 public static final int IMAGE_SCN_ALIGN_2BYTES = 0x200000;
111 public static final int IMAGE_SCN_ALIGN_4BYTES = 0x300000;
112 public static final int IMAGE_SCN_ALIGN_8BYTES = 0x400000;
113 public static final int IMAGE_SCN_ALIGN_16BYTES = 0x500000;
114 public static final int IMAGE_SCN_ALIGN_MASK = 0xf00000;
115 public static final int IMAGE_SCN_ALIGN_SHIFT = 20;
116
117 public static final int IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000;
118
119 public static final int IMAGE_SCN_MEM_SHARED = 0x10000000;
120 public static final int IMAGE_SCN_MEM_EXECUTE = 0x20000000;
121 public static final int IMAGE_SCN_MEM_READ = 0x40000000;
122 public static final int IMAGE_SCN_MEM_WRITE = 0x80000000;
123
124 }
125
126 /**
127 * Symbol table entry definitions
128 *
129 * IMAGE_SYMBOL structure defines
130 */
131 public enum IMAGE_SYMBOL {
132 ShortName( 0, 8),
133 Short( 0, 4),
134 Long( 4, 4),
135 Value( 8, 4),
136 SectionNumber(12, 2),
137 Type(14, 2),
138 StorageClass(16, 1),
139 NumberOfAuxSymbols(17, 1);
140
141 public final int off;
142 public final int sz;
143
144 IMAGE_SYMBOL(int offset, int size) {
145 this.off = offset;
146 this.sz = size;
147 }
148
149 public static int totalsize = 18;
150
151 /**
152 * Type
153 */
154 public static final int IMAGE_SYM_DTYPE_NONE = 0x0;
155 public static final int IMAGE_SYM_DTYPE_FUNCTION = 0x20;
156
157 /**
158 * StorageClass
159 */
160 public static final int IMAGE_SYM_CLASS_NULL = 0x0;
161 public static final int IMAGE_SYM_CLASS_EXTERNAL = 0x2;
162 public static final int IMAGE_SYM_CLASS_STATIC = 0x3;
163 public static final int IMAGE_SYM_CLASS_LABEL = 0x6;
164
165 }
166
167 /**
168 * IMAGE_RELOCATION structure defines
169 */
170 public enum IMAGE_RELOCATION {
171 VirtualAddress( 0, 4),
172 SymbolTableIndex( 4, 4),
173 Type( 8, 2);
174
175 public final int off;
176 public final int sz;
177
178 IMAGE_RELOCATION(int offset, int size) {
179 this.off = offset;
180 this.sz = size;
181 }
182
183 public static int totalsize = 10;
184
185 /**
186 * Relocation types
187 */
188 public static final int IMAGE_REL_AMD64_ABSOLUTE = 0x0;
189 public static final int IMAGE_REL_AMD64_ADDR32 = 0x2;
190 public static final int IMAGE_REL_AMD64_ADDR64 = 0x1;
191 public static final int IMAGE_REL_AMD64_REL32 = 0x4;
192 public static final int IMAGE_REL_AMD64_REL32_1 = 0x5;
193 public static final int IMAGE_REL_AMD64_REL32_2 = 0x6;
194 public static final int IMAGE_REL_AMD64_REL32_3 = 0x7;
195 public static final int IMAGE_REL_AMD64_REL32_4 = 0x8;
196 public static final int IMAGE_REL_AMD64_REL32_5 = 0x9;
197
198 }
199
200 }