xref: /titanic_41/usr/src/grub/grub-0.97/netboot/elf.h (revision 1e49577a7fcde812700ded04431b49d67cc57d6d)
1 #ifndef ELF_H
2 #define ELF_H
3 
4 #define EI_NIDENT	16	/* Size of e_ident array. */
5 
6 /* Values for e_type. */
7 #define ET_NONE		0	/* No file type */
8 #define ET_REL		1	/* Relocatable file */
9 #define ET_EXEC		2	/* Executable file */
10 #define ET_DYN		3	/* Shared object file */
11 #define ET_CORE		4	/* Core file */
12 
13 /* Values for e_machine (architecute). */
14 #define EM_NONE		 0		/* No machine */
15 #define EM_M32		 1		/* AT&T WE 32100 */
16 #define EM_SPARC	 2		/* SUN SPARC */
17 #define EM_386		 3		/* Intel 80386+ */
18 #define EM_68K		 4		/* Motorola m68k family */
19 #define EM_88K		 5		/* Motorola m88k family */
20 #define EM_486		 6		/* Perhaps disused */
21 #define EM_860		 7		/* Intel 80860 */
22 #define EM_MIPS		 8		/* MIPS R3000 big-endian */
23 #define EM_S370		 9		/* IBM System/370 */
24 #define EM_MIPS_RS3_LE	10		/* MIPS R3000 little-endian */
25 
26 #define EM_PARISC	15		/* HPPA */
27 #define EM_VPP500	17		/* Fujitsu VPP500 */
28 #define EM_SPARC32PLUS	18		/* Sun's "v8plus" */
29 #define EM_960		19		/* Intel 80960 */
30 #define EM_PPC		20		/* PowerPC */
31 #define EM_PPC64	21		/* PowerPC 64-bit */
32 #define EM_S390		22		/* IBM S390 */
33 
34 #define EM_V800		36		/* NEC V800 series */
35 #define EM_FR20		37		/* Fujitsu FR20 */
36 #define EM_RH32		38		/* TRW RH-32 */
37 #define EM_RCE		39		/* Motorola RCE */
38 #define EM_ARM		40		/* ARM */
39 #define EM_FAKE_ALPHA	41		/* Digital Alpha */
40 #define EM_SH		42		/* Hitachi SH */
41 #define EM_SPARCV9	43		/* SPARC v9 64-bit */
42 #define EM_TRICORE	44		/* Siemens Tricore */
43 #define EM_ARC		45		/* Argonaut RISC Core */
44 #define EM_H8_300	46		/* Hitachi H8/300 */
45 #define EM_H8_300H	47		/* Hitachi H8/300H */
46 #define EM_H8S		48		/* Hitachi H8S */
47 #define EM_H8_500	49		/* Hitachi H8/500 */
48 #define EM_IA_64	50		/* Intel Merced */
49 #define EM_MIPS_X	51		/* Stanford MIPS-X */
50 #define EM_COLDFIRE	52		/* Motorola Coldfire */
51 #define EM_68HC12	53		/* Motorola M68HC12 */
52 #define EM_MMA		54		/* Fujitsu MMA Multimedia Accelerator*/
53 #define EM_PCP		55		/* Siemens PCP */
54 #define EM_NCPU		56		/* Sony nCPU embeeded RISC */
55 #define EM_NDR1		57		/* Denso NDR1 microprocessor */
56 #define EM_STARCORE	58		/* Motorola Start*Core processor */
57 #define EM_ME16		59		/* Toyota ME16 processor */
58 #define EM_ST100	60		/* STMicroelectronic ST100 processor */
59 #define EM_TINYJ	61		/* Advanced Logic Corp. Tinyj emb.fam*/
60 #define EM_X86_64	62		/* AMD x86-64 architecture */
61 #define EM_PDSP		63		/* Sony DSP Processor */
62 
63 #define EM_FX66		66		/* Siemens FX66 microcontroller */
64 #define EM_ST9PLUS	67		/* STMicroelectronics ST9+ 8/16 mc */
65 #define EM_ST7		68		/* STmicroelectronics ST7 8 bit mc */
66 #define EM_68HC16	69		/* Motorola MC68HC16 microcontroller */
67 #define EM_68HC11	70		/* Motorola MC68HC11 microcontroller */
68 #define EM_68HC08	71		/* Motorola MC68HC08 microcontroller */
69 #define EM_68HC05	72		/* Motorola MC68HC05 microcontroller */
70 #define EM_SVX		73		/* Silicon Graphics SVx */
71 #define EM_AT19		74		/* STMicroelectronics ST19 8 bit mc */
72 #define EM_VAX		75		/* Digital VAX */
73 #define EM_CRIS		76		/* Axis Communications 32-bit embedded processor */
74 #define EM_JAVELIN	77		/* Infineon Technologies 32-bit embedded processor */
75 #define EM_FIREPATH	78		/* Element 14 64-bit DSP Processor */
76 #define EM_ZSP		79		/* LSI Logic 16-bit DSP Processor */
77 #define EM_MMIX		80		/* Donald Knuth's educational 64-bit processor */
78 #define EM_HUANY	81		/* Harvard University machine-independent object files */
79 #define EM_PRISM	82		/* SiTera Prism */
80 #define EM_AVR		83		/* Atmel AVR 8-bit microcontroller */
81 #define EM_FR30		84		/* Fujitsu FR30 */
82 #define EM_D10V		85		/* Mitsubishi D10V */
83 #define EM_D30V		86		/* Mitsubishi D30V */
84 #define EM_V850		87		/* NEC v850 */
85 #define EM_M32R		88		/* Mitsubishi M32R */
86 #define EM_MN10300	89		/* Matsushita MN10300 */
87 #define EM_MN10200	90		/* Matsushita MN10200 */
88 #define EM_PJ		91		/* picoJava */
89 #define EM_OPENRISC	92		/* OpenRISC 32-bit embedded processor */
90 #define EM_ARC_A5	93		/* ARC Cores Tangent-A5 */
91 #define EM_XTENSA	94		/* Tensilica Xtensa Architecture */
92 #define EM_NUM		95
93 
94 /* Values for p_type. */
95 #define PT_NULL		0	/* Unused entry. */
96 #define PT_LOAD		1	/* Loadable segment. */
97 #define PT_DYNAMIC	2	/* Dynamic linking information segment. */
98 #define PT_INTERP	3	/* Pathname of interpreter. */
99 #define PT_NOTE		4	/* Auxiliary information. */
100 #define PT_SHLIB	5	/* Reserved (not used). */
101 #define PT_PHDR		6	/* Location of program header itself. */
102 
103 /* Values for p_flags. */
104 #define PF_X		0x1	/* Executable. */
105 #define PF_W		0x2	/* Writable. */
106 #define PF_R		0x4	/* Readable. */
107 
108 
109 #define	ELF_PROGRAM_RETURNS_BIT	0x8000000	/* e_flags bit 31 */
110 
111 #define EI_MAG0		0
112 #define ELFMAG0		0x7f
113 
114 #define EI_MAG1		1
115 #define ELFMAG1		'E'
116 
117 #define EI_MAG2		2
118 #define ELFMAG2		'L'
119 
120 #define EI_MAG3		3
121 #define ELFMAG3		'F'
122 
123 #define ELFMAG		"\177ELF"
124 
125 #define EI_CLASS	4	/* File class byte index */
126 #define ELFCLASSNONE	0	/* Invalid class */
127 #define ELFCLASS32	1	/* 32-bit objects */
128 #define ELFCLASS64	2	/* 64-bit objects */
129 
130 #define EI_DATA		5	/* Data encodeing byte index */
131 #define ELFDATANONE	0	/* Invalid data encoding */
132 #define ELFDATA2LSB	1	/* 2's complement little endian */
133 #define ELFDATA2MSB	2	/* 2's complement big endian */
134 
135 #define EI_VERSION	6	/* File version byte index */
136 				/* Value must be EV_CURRENT */
137 
138 #define EV_NONE		0	/* Invalid ELF Version */
139 #define EV_CURRENT	1	/* Current version */
140 
141 #define ELF32_PHDR_SIZE (8*4)	/* Size of an elf program header */
142 
143 #ifndef ASSEMBLY
144 /*
145  * ELF definitions common to all 32-bit architectures.
146  */
147 
148 typedef uint32_t	Elf32_Addr;
149 typedef uint16_t	Elf32_Half;
150 typedef uint32_t	Elf32_Off;
151 typedef int32_t		Elf32_Sword;
152 typedef uint32_t	Elf32_Word;
153 typedef uint32_t	Elf32_Size;
154 
155 typedef uint64_t	Elf64_Addr;
156 typedef uint16_t	Elf64_Half;
157 typedef uint64_t	Elf64_Off;
158 typedef int32_t		Elf64_Sword;
159 typedef uint32_t	Elf64_Word;
160 typedef uint64_t	Elf64_Size;
161 
162 /*
163  * ELF header.
164  */
165 typedef struct {
166 	unsigned char	e_ident[EI_NIDENT];	/* File identification. */
167 	Elf32_Half	e_type;		/* File type. */
168 	Elf32_Half	e_machine;	/* Machine architecture. */
169 	Elf32_Word	e_version;	/* ELF format version. */
170 	Elf32_Addr	e_entry;	/* Entry point. */
171 	Elf32_Off	e_phoff;	/* Program header file offset. */
172 	Elf32_Off	e_shoff;	/* Section header file offset. */
173 	Elf32_Word	e_flags;	/* Architecture-specific flags. */
174 	Elf32_Half	e_ehsize;	/* Size of ELF header in bytes. */
175 	Elf32_Half	e_phentsize;	/* Size of program header entry. */
176 	Elf32_Half	e_phnum;	/* Number of program header entries. */
177 	Elf32_Half	e_shentsize;	/* Size of section header entry. */
178 	Elf32_Half	e_shnum;	/* Number of section header entries. */
179 	Elf32_Half	e_shstrndx;	/* Section name strings section. */
180 } Elf32_Ehdr;
181 
182 typedef struct {
183 	unsigned char	e_ident[EI_NIDENT];	/* File identification. */
184 	Elf64_Half	e_type;		/* File type. */
185 	Elf64_Half	e_machine;	/* Machine architecture. */
186 	Elf64_Word	e_version;	/* ELF format version. */
187 	Elf64_Addr	e_entry;	/* Entry point. */
188 	Elf64_Off	e_phoff;	/* Program header file offset. */
189 	Elf64_Off	e_shoff;	/* Section header file offset. */
190 	Elf64_Word	e_flags;	/* Architecture-specific flags. */
191 	Elf64_Half	e_ehsize;	/* Size of ELF header in bytes. */
192 	Elf64_Half	e_phentsize;	/* Size of program header entry. */
193 	Elf64_Half	e_phnum;	/* Number of program header entries. */
194 	Elf64_Half	e_shentsize;	/* Size of section header entry. */
195 	Elf64_Half	e_shnum;	/* Number of section header entries. */
196 	Elf64_Half	e_shstrndx;	/* Section name strings section. */
197 } Elf64_Ehdr;
198 
199 /*
200  * Program header.
201  */
202 typedef struct {
203 	Elf32_Word	p_type;		/* Entry type. */
204 	Elf32_Off	p_offset;	/* File offset of contents. */
205 	Elf32_Addr	p_vaddr;	/* Virtual address (not used). */
206 	Elf32_Addr	p_paddr;	/* Physical address. */
207 	Elf32_Size	p_filesz;	/* Size of contents in file. */
208 	Elf32_Size	p_memsz;	/* Size of contents in memory. */
209 	Elf32_Word	p_flags;	/* Access permission flags. */
210 	Elf32_Size	p_align;	/* Alignment in memory and file. */
211 } Elf32_Phdr;
212 
213 typedef struct {
214 	Elf64_Word	p_type;		/* Entry type. */
215 	Elf64_Word	p_flags;	/* Access permission flags. */
216 	Elf64_Off	p_offset;	/* File offset of contents. */
217 	Elf64_Addr	p_vaddr;	/* Virtual address (not used). */
218 	Elf64_Addr	p_paddr;	/* Physical address. */
219 	Elf64_Size	p_filesz;	/* Size of contents in file. */
220 	Elf64_Size	p_memsz;	/* Size of contents in memory. */
221 	Elf64_Size	p_align;	/* Alignment in memory and file. */
222 } Elf64_Phdr;
223 
224 /* Standardized Elf image notes for booting... The name for all of these is ELFBoot */
225 
226 
227 /* ELF Defines for the current architecture */
228 #include "i386_elf.h"
229 
230 #endif /* ASSEMBLY */
231 
232 //#include "elf_boot.h"
233 
234 #endif /* ELF_H */
235