source: trunk/src/win32k/include/elf.h@ 2826

Last change on this file since 2826 was 2826, checked in by bird, 26 years ago

* empty log message *
File size: 12.0 KB
Line 
1/* $Id: elf.h,v 1.4 2000-02-18 20:52:35 bird Exp $
2 *
3 * ELF stuff.
4 *
5 * Copyright (c) 1999 knut st. osmundsen
6 *
7 * Project Odin Software License can be found in LICENSE.TXT
8 *
9 */
10
11
12#ifndef _elf_h_
13#define _elf_h_
14
15//#pragma pack(1)
16
17/*
18 * Basic ELF types.
19 */
20typedef unsigned long Elf32_Addr; /* Unsigned program address. */
21typedef unsigned short Elf32_Half; /* Unsigned medium integer. */
22typedef signed long Elf32_Off; /* Unsigned file offset. */
23typedef signed long Elf32_Sword; /* Signed large interger. */
24typedef unsigned long Elf32_Word; /* Unsigned large integer. */
25/* unsigned char Unsigned small integer. */
26
27
28
29/*
30 * ELF Header
31 */
32#define EI_INDENT 0x10
33
34typedef struct /* 0x34 */
35{
36 unsigned char e_ident[EI_INDENT]; /* 0x00 ELF Indentification */
37 Elf32_Half e_type; /* 0x10 Object file type */
38 Elf32_Half e_machine; /* 0x12 Machine type */
39 Elf32_Word e_version; /* 0x14 ELF format version */
40 Elf32_Addr e_entry; /* 0x18 Entry point address */
41 Elf32_Off e_phoff; /* 0x1c File offset of the program header table */
42 Elf32_Off e_shoff; /* 0x20 File offset of the section header table */
43 Elf32_Word e_flags; /* 0x24 Processor specific flags */
44 Elf32_Half e_ehsize; /* 0x28 Size of the Elf Header (this structure) */
45 Elf32_Half e_phentsize; /* 0x2a Size of one entry in the program header table */
46 Elf32_Half e_phnum; /* 0x2c Number of entries in the program header table */
47 Elf32_Half e_shentsize; /* 0x2e Size of one entry in the section header table */
48 Elf32_Half e_shnum; /* 0x30 Number of entries in the section header table */
49 Elf32_Half e_shstrndx; /* 0x32 Section header table index of the string table */
50} Elf32_Ehdr;
51
52/* e_idnet - ELF Identification */
53#define EI_MAG0 0 /* File identificator */
54#define EI_MAG1 1 /* File identificator */
55#define EI_MAG2 2 /* File identificator */
56#define EI_MAG3 3 /* File identificator */
57#define EI_CLASS 4 /* File class */
58#define EI_DATA 5 /* Data encoding */
59#define EI_VERSION 6 /* File version */
60#define EI_PAD 7 /* Start of padding bytes */
61 /* EI_MAG[0-4] */
62#define ELFMAG0 0x7f
63#define ELFMAG1 'E'
64#define ELFMAG2 'L'
65#define ELFMAG3 'F'
66#define ELFMAGICLSB ( 0x7f | ('E' << 8) | ('L' << 16) | ('F' << 24))
67#define ELFMAGICMSB ((0x7f << 24) | ('E' << 16) | ('L' << 8) | 'F' )
68 /* EI_CLASS */
69#define ELFCLASSNONE 0 /* Invalid class */
70#define ELFCLASS32 1 /* 32-bit objects */
71#define ELFCLASS64 2 /* 64-bit objects */
72#define ELFCLASSNUM 3 /* ? */
73 /* EI_DATA */
74#define ELFDATANONE 0 /* Invalid data encoding */
75#define ELFDATA2LSB 1 /* Little endian encoding */
76#define ELFDATA2MSB 2 /* Big endian encoding */
77
78/* e_type contents */
79#define ET_NONE 0x0000 /* No file type */
80#define ET_REL 0x0001 /* Relocatable file */
81#define ET_EXEC 0x0002 /* Executable file */
82#define ET_DYN 0x0003 /* Shared object file */
83#define ET_CORE 0x0004 /* Core file */
84#define ET_LOPROC 0xff00 /* Processor-specific - currect value? */
85#define ET_HIPROC 0xffff /* Processor-specific - currect value? */
86
87/* e_machine contents */
88#define EM_NONE 0 /* No machine */
89#define EM_M32 1 /* AT&T WE 32100 */
90#define EM_SPARC 2 /* SPARC */
91#define EM_386 3 /* Intel 80386 */
92#define EM_68K 4 /* Motorola 680000 */
93#define EM_88K 5 /* Motorola 880000 */
94#define EM_486 6 /* Intel 80486 - disused? */
95#define EM_860 7 /* Intel 80860 */
96#define EM_MIPS 8 /* MIPS RS3000 (big endian...) */
97#define EM_MIPS_RS4_BE 10 /* MIPS RS4000 (big endian) */
98#define EM_SPARC64 11 /* SPARC v9 (not official) 64-bit */
99#define EM_PARISC 15 /* HPPA */
100#define EM_SPARC32PLUS 18 /* SUN's "v8plus" */
101#define EM_PPC 20 /* PowerPC */
102#define EM_ALPHA 0x9026 /* Digital Alpha - NB! Interim number */
103
104/* e_version contents */
105#define EV_NONE 0 /* Invalid version */
106#define EV_CURRENT 1 /* Current version */
107#define EV_NUM 2 /* ? */
108
109/* e_flags - Machine Information */
110#define EF_386_NONE 0 /* Intel 80386 has no flags defined */
111#define EF_486_NONE 0 /* Intel 80486 has no flags defined */
112
113
114/*
115 * ELF Sections
116 */
117typedef struct /* 0x28 */
118{
119 Elf32_Word sh_name; /* 0x00 Section name. Index into the section header string table section. */
120 Elf32_Word sh_type; /* 0x04 Section type. Categorizes the contents and semantics. */
121 Elf32_Word sh_flags; /* 0x08 Section flags. */
122 Elf32_Addr sh_addr; /* 0x0c Address to where in memory the section should reside. */
123 Elf32_Off sh_offset; /* 0x10 Offset into the file of the section's data. */
124 Elf32_Word sh_size; /* 0x14 Section's size in bytes. */
125 Elf32_Word sh_link; /* 0x18 Section header table index link. */
126 Elf32_Word sh_info; /* 0x1c Extra information. */
127 Elf32_Word sh_addralign; /* 0x20 Section alignment. */
128 Elf32_Word sh_entsize; /* 0x24 Entry size of some evtentual fixed-sized table entries. */
129} Elf32_Shdr;
130
131/* section indexes (section references) */
132#define SHN_UNDEF 0 /* Undefined/missing/irrelevant/meaningless section reference. */
133#define SHN_LORESERVE 0xff00 /* Lower bound of the reserved indexes. */
134#define SHN_LOPROC 0xff00 /* Processor-specific semantics lower bound. */
135#define SHN_HIPROC 0xff1f /* Processor-specific semantics upper bound. */
136#define SHN_ABS 0xfff1 /* Absolute values for the corresponding reference. */
137#define SHN_COMMON 0xfff2 /* Symbols defined relative to this section are common symbols. */
138#define SHN_HIRESERVE 0xffff /* Upper bound of the reserved indexes. */
139
140/* sh_type */
141#define SHT_NULL 0 /* Inactive section header. All other members have undefined contents. */
142#define SHT_PROGBITS 1 /* Program defined information. */
143#define SHT_SYMTAB 2 /* Symboltable. */
144#define SHT_STRTAB 3 /* Stringtable. */
145#define SHT_RELA 4 /* Relocations with explicit addends. */
146#define SHT_HASH 5 /* Symbol has table. */
147#define SHT_DYNAMIC 6 /* Dynamic linking information. */
148#define SHT_NOTE 7 /* Information tat marks the file in some way. */
149#define SHT_NOBITS 8 /* Occupies no space in the file. */
150#define SHT_REL 9 /* Relocations. */
151#define SHT_SHLIB 10 /* reserved. */
152#define SHT_DYNSYM 11 /* Symboltable used for dynamic loading. */
153#define SHT_NUM 12 /* ? */
154#define SHT_LOPROC 0x70000000L /* Processor-spcific semantics lower bound. */
155#define SHT_HIPROC 0x7fffffffL /* Processor-spcific semantics upper bound. */
156#define SHT_LOUSER 0x80000000L /* Application program specific lower bound. */
157#define SHT_HIUSER 0xffffffffL /* Application program specific upper bound. */
158
159/* sh_flags */
160#define SHF_WRITE 0x1 /* Writable during process execution. */
161#define SHF_ALLOC 0x2 /* The section occupies memory during process execution. */
162#define SHF_EXECINSTR 0x4 /* Executable machine instructs. */
163#define SHF_MASKPROC 0xf0000000L /* Processor-specific semantics bits. */
164
165
166/*
167 * ELF Symbol table
168 */
169typedef struct /* 0x10 */
170{
171 Elf32_Word st_name; /* 0x00 Symbol name. (index) */
172 Elf32_Addr st_value; /* 0x04 Value associated with the symbol. */
173 Elf32_Word st_size; /* 0x08 Size associated with the symbol. */
174 unsigned char st_info; /* 0x0c Symbol type and binding attributes. */
175 unsigned char st_other; /* 0x0d Reserved. (currently 0?) */
176 Elf32_Half st_shndx; /* 0x0e Section index of related section. */
177} Elf32_Sym;
178
179/* symbol table index(es) */
180#define STN_UNDEF 0 /* Reserved symboltable entry. */
181
182/* st_info macros */
183#define ELF32_ST_BIND(i) ((i) >> 4) /* Get the symbol binding attributes from the st_info member. */
184#define ELF32_ST_TYPE(i) ((i) & 0x0f)/* Get the symbol type from the st_info member. */
185#define ELF32_ST_INFO(b,t) ((b << 4) | (t & 0x0f)) /* Build a st_info member. */
186
187/* st_info - binding attributes */
188#define STB_LOCAL 0x0 /* Local symbol. Not visible outside the object file. */
189#define STB_GLOBAL 0x1 /* Global symbol. Visible to everyone. */
190#define STB_WEAK 0x2 /* Weak symbols resemble global symbols, but their definitions have lower precedence. */
191#define STB_LOPROC 0xd /* Processor-specific semantics lower bound. */
192#define STB_HIPROC 0xf /* Processor-specific semantics upper bound. */
193
194/* st_info - types */
195#define STT_NOTYPE 0x0 /* The symbol's type is not defined. */
196#define STT_OBJECT 0x1 /* The symbol is associated with a data object, such as a variable an array, etc. */
197#define STT_FUNC 0x2 /* The symbol is associated with a function or other executable code. */
198#define STT_SECTION 0x3 /* The symbol is associated with a section. */
199#define STT_FILE 0x4 /* Name of the source file... */
200#define STT_LOPROC 0xd /* Processor-specific semantics lower bound. */
201#define STT_HIPROC 0xf /* Processor-specific semantics upper bound. */
202
203
204/*
205 * ELF Relocation
206 */
207typedef struct /* 0x08 */
208{
209 Elf32_Addr r_offset; /* 0x00 Offset or virtual address. */
210 Elf32_Word r_info; /* 0x04 Symbolindex/type. */
211} Elf32_Rel;
212
213typedef struct /* 0x0c */
214{
215 Elf32_Addr r_offset; /* 0x00 Offset or virtual address. */
216 Elf32_Word r_info; /* 0x04 Symbolindex/type. */
217 Elf32_Sword r_addend; /* 0x08 Constant addend. */
218} Elf32_Rela;
219
220/* r_info macro */
221#define ELF32_R_SYM(i) ((i) >> 8) /* Gets symbol index from the r_info member. */
222#define ELF32_R_TYPE(i) ((unsigned char)(i)) /* Get the relocation type from the r_info member. */
223#define ELF32_R_INFO(s,t) (((s) << 8) | (unsigned char)(t)) /* Makes the r_info member. */
224
225/* r_info - Intel 80386 relocations */
226#define R_386_NONE 0 /* */
227#define R_386_32 1
228#define R_386_PC32 2
229#define R_386_GOT32 3
230#define R_386_PLT32 4
231#define R_386_COPY 5
232#define R_386_GLOB_DAT 6
233#define R_386_JMP_SLOT 7
234#define R_386_RELATIVE 8
235#define R_386_GOT_OFF 9
236#define R_386_GOTPC 10
237#define R_386_NUM 11
238
239
240
241/*
242 * ELF Program Header
243 */
244typedef struct
245{
246 Elf32_Word p_type;
247 Elf32_Off p_offset;
248 Elf32_Addr p_vaddr;
249 Elf32_Addr p_paddr;
250 Elf32_Word p_filesz;
251 Elf32_Word p_memsz;
252 Elf32_Word p_flags;
253 Elf32_Word p_align;
254} Elf32_Phdr;
255
256#pragma pack()
257#endif /*_elf_h_*/
Note: See TracBrowser for help on using the repository browser.