]>
Commit | Line | Data |
---|---|---|
f51461c8 LG |
1 | /** @file\r |
2 | Ported ELF include files from FreeBSD\r | |
3 | \r | |
4 | Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | \r | |
14 | **/\r | |
15 | /*-\r | |
16 | * Copyright (c) 1996-1998 John D. Polstra.\r | |
17 | * All rights reserved.\r | |
18 | *\r | |
19 | * Redistribution and use in source and binary forms, with or without\r | |
20 | * modification, are permitted provided that the following conditions\r | |
21 | * are met:\r | |
22 | * 1. Redistributions of source code must retain the above copyright\r | |
23 | * notice, this list of conditions and the following disclaimer.\r | |
24 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
25 | * notice, this list of conditions and the following disclaimer in the\r | |
26 | * documentation and/or other materials provided with the distribution.\r | |
27 | *\r | |
28 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND\r | |
29 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE\r | |
32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
37 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
38 | * SUCH DAMAGE.\r | |
39 | *\r | |
40 | * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.2 2007/12/03 21:30:36 marius Exp $\r | |
41 | */\r | |
42 | \r | |
43 | #ifndef _SYS_ELF32_H_\r | |
44 | #define _SYS_ELF32_H_ 1\r | |
45 | \r | |
46 | \r | |
47 | /*\r | |
48 | * ELF definitions common to all 32-bit architectures.\r | |
49 | */\r | |
50 | \r | |
51 | typedef UINT32 Elf32_Addr;\r | |
52 | typedef UINT16 Elf32_Half;\r | |
53 | typedef UINT32 Elf32_Off;\r | |
54 | typedef INT32 Elf32_Sword;\r | |
55 | typedef UINT32 Elf32_Word;\r | |
56 | typedef UINT64 Elf32_Lword;\r | |
57 | \r | |
58 | typedef Elf32_Word Elf32_Hashelt;\r | |
59 | \r | |
60 | /* Non-standard class-dependent datatype used for abstraction. */\r | |
61 | typedef Elf32_Word Elf32_Size;\r | |
62 | typedef Elf32_Sword Elf32_Ssize;\r | |
63 | \r | |
64 | /*\r | |
65 | * ELF header.\r | |
66 | */\r | |
67 | \r | |
68 | typedef struct {\r | |
69 | unsigned char e_ident[EI_NIDENT]; /* File identification. */\r | |
70 | Elf32_Half e_type; /* File type. */\r | |
71 | Elf32_Half e_machine; /* Machine architecture. */\r | |
72 | Elf32_Word e_version; /* ELF format version. */\r | |
73 | Elf32_Addr e_entry; /* Entry point. */\r | |
74 | Elf32_Off e_phoff; /* Program header file offset. */\r | |
75 | Elf32_Off e_shoff; /* Section header file offset. */\r | |
76 | Elf32_Word e_flags; /* Architecture-specific flags. */\r | |
77 | Elf32_Half e_ehsize; /* Size of ELF header in bytes. */\r | |
78 | Elf32_Half e_phentsize; /* Size of program header entry. */\r | |
79 | Elf32_Half e_phnum; /* Number of program header entries. */\r | |
80 | Elf32_Half e_shentsize; /* Size of section header entry. */\r | |
81 | Elf32_Half e_shnum; /* Number of section header entries. */\r | |
82 | Elf32_Half e_shstrndx; /* Section name strings section. */\r | |
83 | } Elf32_Ehdr;\r | |
84 | \r | |
85 | /*\r | |
86 | * Section header.\r | |
87 | */\r | |
88 | \r | |
89 | typedef struct {\r | |
90 | Elf32_Word sh_name; /* Section name (index into the\r | |
91 | section header string table). */\r | |
92 | Elf32_Word sh_type; /* Section type. */\r | |
93 | Elf32_Word sh_flags; /* Section flags. */\r | |
94 | Elf32_Addr sh_addr; /* Address in memory image. */\r | |
95 | Elf32_Off sh_offset; /* Offset in file. */\r | |
96 | Elf32_Word sh_size; /* Size in bytes. */\r | |
97 | Elf32_Word sh_link; /* Index of a related section. */\r | |
98 | Elf32_Word sh_info; /* Depends on section type. */\r | |
99 | Elf32_Word sh_addralign; /* Alignment in bytes. */\r | |
100 | Elf32_Word sh_entsize; /* Size of each entry in section. */\r | |
101 | } Elf32_Shdr;\r | |
102 | \r | |
103 | /*\r | |
104 | * Program header.\r | |
105 | */\r | |
106 | \r | |
107 | typedef struct {\r | |
108 | Elf32_Word p_type; /* Entry type. */\r | |
109 | Elf32_Off p_offset; /* File offset of contents. */\r | |
110 | Elf32_Addr p_vaddr; /* Virtual address in memory image. */\r | |
111 | Elf32_Addr p_paddr; /* Physical address (not used). */\r | |
112 | Elf32_Word p_filesz; /* Size of contents in file. */\r | |
113 | Elf32_Word p_memsz; /* Size of contents in memory. */\r | |
114 | Elf32_Word p_flags; /* Access permission flags. */\r | |
115 | Elf32_Word p_align; /* Alignment in memory and file. */\r | |
116 | } Elf32_Phdr;\r | |
117 | \r | |
118 | /*\r | |
119 | * Dynamic structure. The ".dynamic" section contains an array of them.\r | |
120 | */\r | |
121 | \r | |
122 | typedef struct {\r | |
123 | Elf32_Sword d_tag; /* Entry type. */\r | |
124 | union {\r | |
125 | Elf32_Word d_val; /* Integer value. */\r | |
126 | Elf32_Addr d_ptr; /* Address value. */\r | |
127 | } d_un;\r | |
128 | } Elf32_Dyn;\r | |
129 | \r | |
130 | /*\r | |
131 | * Relocation entries.\r | |
132 | */\r | |
133 | \r | |
134 | /* Relocations that don't need an addend field. */\r | |
135 | typedef struct {\r | |
136 | Elf32_Addr r_offset; /* Location to be relocated. */\r | |
137 | Elf32_Word r_info; /* Relocation type and symbol index. */\r | |
138 | } Elf32_Rel;\r | |
139 | \r | |
140 | /* Relocations that need an addend field. */\r | |
141 | typedef struct {\r | |
142 | Elf32_Addr r_offset; /* Location to be relocated. */\r | |
143 | Elf32_Word r_info; /* Relocation type and symbol index. */\r | |
144 | Elf32_Sword r_addend; /* Addend. */\r | |
145 | } Elf32_Rela;\r | |
146 | \r | |
147 | /* Macros for accessing the fields of r_info. */\r | |
148 | #define ELF32_R_SYM(info) ((info) >> 8)\r | |
149 | #define ELF32_R_TYPE(info) ((unsigned char)(info))\r | |
150 | \r | |
151 | /* Macro for constructing r_info from field values. */\r | |
152 | #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))\r | |
153 | \r | |
154 | /*\r | |
155 | * Note entry header\r | |
156 | */\r | |
157 | typedef Elf_Note Elf32_Nhdr;\r | |
158 | \r | |
159 | /*\r | |
160 | * Move entry\r | |
161 | */\r | |
162 | typedef struct {\r | |
163 | Elf32_Lword m_value; /* symbol value */\r | |
164 | Elf32_Word m_info; /* size + index */\r | |
165 | Elf32_Word m_poffset; /* symbol offset */\r | |
166 | Elf32_Half m_repeat; /* repeat count */\r | |
167 | Elf32_Half m_stride; /* stride info */\r | |
168 | } Elf32_Move;\r | |
169 | \r | |
170 | /*\r | |
171 | * The macros compose and decompose values for Move.r_info\r | |
172 | *\r | |
173 | * sym = ELF32_M_SYM(M.m_info)\r | |
174 | * size = ELF32_M_SIZE(M.m_info)\r | |
175 | * M.m_info = ELF32_M_INFO(sym, size)\r | |
176 | */\r | |
177 | #define ELF32_M_SYM(info) ((info)>>8)\r | |
178 | #define ELF32_M_SIZE(info) ((unsigned char)(info))\r | |
179 | #define ELF32_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size))\r | |
180 | \r | |
181 | /*\r | |
182 | * Hardware/Software capabilities entry\r | |
183 | */\r | |
184 | typedef struct {\r | |
185 | Elf32_Word c_tag; /* how to interpret value */\r | |
186 | union {\r | |
187 | Elf32_Word c_val;\r | |
188 | Elf32_Addr c_ptr;\r | |
189 | } c_un;\r | |
190 | } Elf32_Cap;\r | |
191 | \r | |
192 | /*\r | |
193 | * Symbol table entries.\r | |
194 | */\r | |
195 | \r | |
196 | typedef struct {\r | |
197 | Elf32_Word st_name; /* String table index of name. */\r | |
198 | Elf32_Addr st_value; /* Symbol value. */\r | |
199 | Elf32_Word st_size; /* Size of associated object. */\r | |
200 | unsigned char st_info; /* Type and binding information. */\r | |
201 | unsigned char st_other; /* Reserved (not used). */\r | |
202 | Elf32_Half st_shndx; /* Section index of symbol. */\r | |
203 | } Elf32_Sym;\r | |
204 | \r | |
205 | /* Macros for accessing the fields of st_info. */\r | |
206 | #define ELF32_ST_BIND(info) ((info) >> 4)\r | |
207 | #define ELF32_ST_TYPE(info) ((info) & 0xf)\r | |
208 | \r | |
209 | /* Macro for constructing st_info from field values. */\r | |
210 | #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))\r | |
211 | \r | |
212 | /* Macro for accessing the fields of st_other. */\r | |
213 | #define ELF32_ST_VISIBILITY(oth) ((oth) & 0x3)\r | |
214 | \r | |
215 | /* Structures used by Sun & GNU symbol versioning. */\r | |
216 | typedef struct\r | |
217 | {\r | |
218 | Elf32_Half vd_version;\r | |
219 | Elf32_Half vd_flags;\r | |
220 | Elf32_Half vd_ndx;\r | |
221 | Elf32_Half vd_cnt;\r | |
222 | Elf32_Word vd_hash;\r | |
223 | Elf32_Word vd_aux;\r | |
224 | Elf32_Word vd_next;\r | |
225 | } Elf32_Verdef;\r | |
226 | \r | |
227 | typedef struct\r | |
228 | {\r | |
229 | Elf32_Word vda_name;\r | |
230 | Elf32_Word vda_next;\r | |
231 | } Elf32_Verdaux;\r | |
232 | \r | |
233 | typedef struct\r | |
234 | {\r | |
235 | Elf32_Half vn_version;\r | |
236 | Elf32_Half vn_cnt;\r | |
237 | Elf32_Word vn_file;\r | |
238 | Elf32_Word vn_aux;\r | |
239 | Elf32_Word vn_next;\r | |
240 | } Elf32_Verneed;\r | |
241 | \r | |
242 | typedef struct\r | |
243 | {\r | |
244 | Elf32_Word vna_hash;\r | |
245 | Elf32_Half vna_flags;\r | |
246 | Elf32_Half vna_other;\r | |
247 | Elf32_Word vna_name;\r | |
248 | Elf32_Word vna_next;\r | |
249 | } Elf32_Vernaux;\r | |
250 | \r | |
251 | typedef Elf32_Half Elf32_Versym;\r | |
252 | \r | |
253 | typedef struct {\r | |
254 | Elf32_Half si_boundto; /* direct bindings - symbol bound to */\r | |
255 | Elf32_Half si_flags; /* per symbol flags */\r | |
256 | } Elf32_Syminfo;\r | |
257 | \r | |
258 | #endif /* !_SYS_ELF32_H_ */\r |