1#ifndef ELF_H
2#define ELF_H
3
4FILE_LICENCE ( GPL2_OR_LATER );
5
6#define EI_NIDENT	16	/* Size of e_ident array. */
7
8/* Values for e_type. */
9#define ET_NONE		0	/* No file type */
10#define ET_REL		1	/* Relocatable file */
11#define ET_EXEC		2	/* Executable file */
12#define ET_DYN		3	/* Shared object file */
13#define ET_CORE		4	/* Core file */
14
15/* Values for e_machine (architecute). */
16#define EM_NONE		 0		/* No machine */
17#define EM_M32		 1		/* AT&T WE 32100 */
18#define EM_SPARC	 2		/* SUN SPARC */
19#define EM_386		 3		/* Intel 80386+ */
20#define EM_68K		 4		/* Motorola m68k family */
21#define EM_88K		 5		/* Motorola m88k family */
22#define EM_486		 6		/* Perhaps disused */
23#define EM_860		 7		/* Intel 80860 */
24#define EM_MIPS		 8		/* MIPS R3000 big-endian */
25#define EM_S370		 9		/* IBM System/370 */
26#define EM_MIPS_RS3_LE	10		/* MIPS R3000 little-endian */
27
28#define EM_PARISC	15		/* HPPA */
29#define EM_VPP500	17		/* Fujitsu VPP500 */
30#define EM_SPARC32PLUS	18		/* Sun's "v8plus" */
31#define EM_960		19		/* Intel 80960 */
32#define EM_PPC		20		/* PowerPC */
33#define EM_PPC64	21		/* PowerPC 64-bit */
34#define EM_S390		22		/* IBM S390 */
35
36#define EM_V800		36		/* NEC V800 series */
37#define EM_FR20		37		/* Fujitsu FR20 */
38#define EM_RH32		38		/* TRW RH-32 */
39#define EM_RCE		39		/* Motorola RCE */
40#define EM_ARM		40		/* ARM */
41#define EM_FAKE_ALPHA	41		/* Digital Alpha */
42#define EM_SH		42		/* Hitachi SH */
43#define EM_SPARCV9	43		/* SPARC v9 64-bit */
44#define EM_TRICORE	44		/* Siemens Tricore */
45#define EM_ARC		45		/* Argonaut RISC Core */
46#define EM_H8_300	46		/* Hitachi H8/300 */
47#define EM_H8_300H	47		/* Hitachi H8/300H */
48#define EM_H8S		48		/* Hitachi H8S */
49#define EM_H8_500	49		/* Hitachi H8/500 */
50#define EM_IA_64	50		/* Intel Merced */
51#define EM_MIPS_X	51		/* Stanford MIPS-X */
52#define EM_COLDFIRE	52		/* Motorola Coldfire */
53#define EM_68HC12	53		/* Motorola M68HC12 */
54#define EM_MMA		54		/* Fujitsu MMA Multimedia Accelerator*/
55#define EM_PCP		55		/* Siemens PCP */
56#define EM_NCPU		56		/* Sony nCPU embeeded RISC */
57#define EM_NDR1		57		/* Denso NDR1 microprocessor */
58#define EM_STARCORE	58		/* Motorola Start*Core processor */
59#define EM_ME16		59		/* Toyota ME16 processor */
60#define EM_ST100	60		/* STMicroelectronic ST100 processor */
61#define EM_TINYJ	61		/* Advanced Logic Corp. Tinyj emb.fam*/
62#define EM_X86_64	62		/* AMD x86-64 architecture */
63#define EM_PDSP		63		/* Sony DSP Processor */
64
65#define EM_FX66		66		/* Siemens FX66 microcontroller */
66#define EM_ST9PLUS	67		/* STMicroelectronics ST9+ 8/16 mc */
67#define EM_ST7		68		/* STmicroelectronics ST7 8 bit mc */
68#define EM_68HC16	69		/* Motorola MC68HC16 microcontroller */
69#define EM_68HC11	70		/* Motorola MC68HC11 microcontroller */
70#define EM_68HC08	71		/* Motorola MC68HC08 microcontroller */
71#define EM_68HC05	72		/* Motorola MC68HC05 microcontroller */
72#define EM_SVX		73		/* Silicon Graphics SVx */
73#define EM_AT19		74		/* STMicroelectronics ST19 8 bit mc */
74#define EM_VAX		75		/* Digital VAX */
75#define EM_CRIS		76		/* Axis Communications 32-bit embedded processor */
76#define EM_JAVELIN	77		/* Infineon Technologies 32-bit embedded processor */
77#define EM_FIREPATH	78		/* Element 14 64-bit DSP Processor */
78#define EM_ZSP		79		/* LSI Logic 16-bit DSP Processor */
79#define EM_MMIX		80		/* Donald Knuth's educational 64-bit processor */
80#define EM_HUANY	81		/* Harvard University machine-independent object files */
81#define EM_PRISM	82		/* SiTera Prism */
82#define EM_AVR		83		/* Atmel AVR 8-bit microcontroller */
83#define EM_FR30		84		/* Fujitsu FR30 */
84#define EM_D10V		85		/* Mitsubishi D10V */
85#define EM_D30V		86		/* Mitsubishi D30V */
86#define EM_V850		87		/* NEC v850 */
87#define EM_M32R		88		/* Mitsubishi M32R */
88#define EM_MN10300	89		/* Matsushita MN10300 */
89#define EM_MN10200	90		/* Matsushita MN10200 */
90#define EM_PJ		91		/* picoJava */
91#define EM_OPENRISC	92		/* OpenRISC 32-bit embedded processor */
92#define EM_ARC_A5	93		/* ARC Cores Tangent-A5 */
93#define EM_XTENSA	94		/* Tensilica Xtensa Architecture */
94#define EM_NUM		95
95
96/* Values for p_type. */
97#define PT_NULL		0	/* Unused entry. */
98#define PT_LOAD		1	/* Loadable segment. */
99#define PT_DYNAMIC	2	/* Dynamic linking information segment. */
100#define PT_INTERP	3	/* Pathname of interpreter. */
101#define PT_NOTE		4	/* Auxiliary information. */
102#define PT_SHLIB	5	/* Reserved (not used). */
103#define PT_PHDR		6	/* Location of program header itself. */
104
105/* Values for p_flags. */
106#define PF_X		0x1	/* Executable. */
107#define PF_W		0x2	/* Writable. */
108#define PF_R		0x4	/* Readable. */
109
110
111#define	ELF_PROGRAM_RETURNS_BIT	0x8000000	/* e_flags bit 31 */
112
113#define EI_MAG0		0
114#define ELFMAG0		0x7f
115
116#define EI_MAG1		1
117#define ELFMAG1		'E'
118
119#define EI_MAG2		2
120#define ELFMAG2		'L'
121
122#define EI_MAG3		3
123#define ELFMAG3		'F'
124
125#define ELFMAG		"\177ELF"
126#define	SELFMAG		4
127
128#define EI_CLASS	4	/* File class byte index */
129#define ELFCLASSNONE	0	/* Invalid class */
130#define ELFCLASS32	1	/* 32-bit objects */
131#define ELFCLASS64	2	/* 64-bit objects */
132
133#define EI_DATA		5	/* Data encodeing byte index */
134#define ELFDATANONE	0	/* Invalid data encoding */
135#define ELFDATA2LSB	1	/* 2's complement little endian */
136#define ELFDATA2MSB	2	/* 2's complement big endian */
137
138#define EI_VERSION	6	/* File version byte index */
139				/* Value must be EV_CURRENT */
140
141#define EV_NONE		0	/* Invalid ELF Version */
142#define EV_CURRENT	1	/* Current version */
143
144#define ELF32_PHDR_SIZE (8*4)	/* Size of an elf program header */
145
146#ifndef ASSEMBLY
147
148#include <stdint.h>
149
150/*
151 * ELF definitions common to all 32-bit architectures.
152 */
153
154typedef uint32_t	Elf32_Addr;
155typedef uint16_t	Elf32_Half;
156typedef uint32_t	Elf32_Off;
157typedef int32_t		Elf32_Sword;
158typedef uint32_t	Elf32_Word;
159typedef uint32_t	Elf32_Size;
160
161typedef uint64_t	Elf64_Addr;
162typedef uint16_t	Elf64_Half;
163typedef uint64_t	Elf64_Off;
164typedef int32_t		Elf64_Sword;
165typedef uint32_t	Elf64_Word;
166typedef uint64_t	Elf64_Size;
167
168/*
169 * ELF header.
170 */
171typedef struct {
172	unsigned char	e_ident[EI_NIDENT];	/* File identification. */
173	Elf32_Half	e_type;		/* File type. */
174	Elf32_Half	e_machine;	/* Machine architecture. */
175	Elf32_Word	e_version;	/* ELF format version. */
176	Elf32_Addr	e_entry;	/* Entry point. */
177	Elf32_Off	e_phoff;	/* Program header file offset. */
178	Elf32_Off	e_shoff;	/* Section header file offset. */
179	Elf32_Word	e_flags;	/* Architecture-specific flags. */
180	Elf32_Half	e_ehsize;	/* Size of ELF header in bytes. */
181	Elf32_Half	e_phentsize;	/* Size of program header entry. */
182	Elf32_Half	e_phnum;	/* Number of program header entries. */
183	Elf32_Half	e_shentsize;	/* Size of section header entry. */
184	Elf32_Half	e_shnum;	/* Number of section header entries. */
185	Elf32_Half	e_shstrndx;	/* Section name strings section. */
186} Elf32_Ehdr;
187
188typedef struct {
189	unsigned char	e_ident[EI_NIDENT];	/* File identification. */
190	Elf64_Half	e_type;		/* File type. */
191	Elf64_Half	e_machine;	/* Machine architecture. */
192	Elf64_Word	e_version;	/* ELF format version. */
193	Elf64_Addr	e_entry;	/* Entry point. */
194	Elf64_Off	e_phoff;	/* Program header file offset. */
195	Elf64_Off	e_shoff;	/* Section header file offset. */
196	Elf64_Word	e_flags;	/* Architecture-specific flags. */
197	Elf64_Half	e_ehsize;	/* Size of ELF header in bytes. */
198	Elf64_Half	e_phentsize;	/* Size of program header entry. */
199	Elf64_Half	e_phnum;	/* Number of program header entries. */
200	Elf64_Half	e_shentsize;	/* Size of section header entry. */
201	Elf64_Half	e_shnum;	/* Number of section header entries. */
202	Elf64_Half	e_shstrndx;	/* Section name strings section. */
203} Elf64_Ehdr;
204
205/*
206 * Program header.
207 */
208typedef struct {
209	Elf32_Word	p_type;		/* Entry type. */
210	Elf32_Off	p_offset;	/* File offset of contents. */
211	Elf32_Addr	p_vaddr;	/* Virtual address (not used). */
212	Elf32_Addr	p_paddr;	/* Physical address. */
213	Elf32_Size	p_filesz;	/* Size of contents in file. */
214	Elf32_Size	p_memsz;	/* Size of contents in memory. */
215	Elf32_Word	p_flags;	/* Access permission flags. */
216	Elf32_Size	p_align;	/* Alignment in memory and file. */
217} Elf32_Phdr;
218
219typedef struct {
220	Elf64_Word	p_type;		/* Entry type. */
221	Elf64_Word	p_flags;	/* Access permission flags. */
222	Elf64_Off	p_offset;	/* File offset of contents. */
223	Elf64_Addr	p_vaddr;	/* Virtual address (not used). */
224	Elf64_Addr	p_paddr;	/* Physical address. */
225	Elf64_Size	p_filesz;	/* Size of contents in file. */
226	Elf64_Size	p_memsz;	/* Size of contents in memory. */
227	Elf64_Size	p_align;	/* Alignment in memory and file. */
228} Elf64_Phdr;
229
230/* Standardized Elf image notes for booting... The name for all of these is ELFBoot */
231
232#endif /* ASSEMBLY */
233
234#endif /* ELF_H */
235