WebSVN – HelenOS – Diff – /trunk/kernel/generic/include/lib/elf.h


/*
 * Copyright (c) 2006 Sergey Bondari
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup generic
 * @{
 */
/** @file
 */
 
#ifndef KERN_ELF_H_
#define KERN_ELF_H_
 
#include <arch/elf.h>
#include <arch/types.h>
 
 
/**
 * current ELF version
 */
#define EV_CURRENT  1
 
/**
 * ELF types
 */
#define ET_NONE     0   /* No type */
#define ET_REL      1   /* Relocatable file */
#define ET_EXEC     2   /* Executable */
#define ET_DYN      3   /* Shared object */
#define ET_CORE     4   /* Core */
#define ET_LOPROC   0xff00  /* Processor specific */
#define ET_HIPROC   0xffff  /* Processor specific */
 
/**
 * ELF machine types
 */
#define EM_NO       0   /* No machine */
#define EM_SPARC    2   /* SPARC */
#define EM_386      3   /* i386 */
#define EM_MIPS     8   /* MIPS RS3000 */
#define EM_MIPS_RS3_LE  10  /* MIPS RS3000 LE */
#define EM_PPC      20  /* PPC32 */
#define EM_PPC64    21  /* PPC64 */
#define EM_SPARCV9  43  /* SPARC64 */
#define EM_IA_64    50  /* IA-64 */
#define EM_X86_64   62  /* AMD64/EMT64 */
 
/**
 * ELF identification indexes
 */
#define EI_MAG0     0
#define EI_MAG1     1
#define EI_MAG2     2
#define EI_MAG3     3
#define EI_CLASS    4       /* File class */
#define EI_DATA     5       /* Data encoding */
#define EI_VERSION  6       /* File version */
#define EI_OSABI    7
#define EI_ABIVERSION   8
#define EI_PAD      9       /* Start of padding bytes */
#define EI_NIDENT   16      /* ELF identification table size */
 
/**
 * ELF magic number
 */
#define ELFMAG0     0x7f
#define ELFMAG1     'E'
#define ELFMAG2     'L'
#define ELFMAG3     'F'
 
/**
 * ELF file classes
 */
#define ELFCLASSNONE    0
#define ELFCLASS32  1
#define ELFCLASS64  2
 
/**
 * ELF data encoding types
 */
#define ELFDATANONE 0
#define ELFDATA2LSB 1       /* Least significant byte first (little endian) */
#define ELFDATA2MSB 2       /* Most signigicant byte first (big endian) */
 
/**
 * ELF error return codes
 */
#define EE_OK           0   /* No error */
#define EE_INVALID      1   /* Invalid ELF image */
#define EE_MEMORY       2   /* Cannot allocate address space */
#define EE_INCOMPATIBLE     3   /* ELF image is not compatible with current architecture */
#define EE_UNSUPPORTED      4   /* Non-supported ELF (e.g. dynamic ELFs) */
#define EE_IRRECOVERABLE    5
 
/**
 * ELF section types
 */
#define SHT_NULL        0
#define SHT_PROGBITS        1
#define SHT_SYMTAB      2
#define SHT_STRTAB      3
#define SHT_RELA        4
#define SHT_HASH        5
#define SHT_DYNAMIC     6
#define SHT_NOTE        7
#define SHT_NOBITS      8
#define SHT_REL         9
#define SHT_SHLIB       10
#define SHT_DYNSYM      11
#define SHT_LOOS        0x60000000
#define SHT_HIOS        0x6fffffff
#define SHT_LOPROC      0x70000000
#define SHT_HIPROC      0x7fffffff
#define SHT_LOUSER      0x80000000
#define SHT_HIUSER      0xffffffff
 
/**
 * ELF section flags
 */
#define SHF_WRITE       0x1 
#define SHF_ALLOC       0x2
#define SHF_EXECINSTR       0x4
#define SHF_MASKPROC        0xf0000000
 
/**
 * Symbol binding
 */
#define STB_LOCAL       0
#define STB_GLOBAL      1
#define STB_WEAK        2
#define STB_LOPROC      13
#define STB_HIPROC      15
 
/**
 * Symbol types
 */
#define STT_NOTYPE      0
#define STT_OBJECT      1
#define STT_FUNC        2
#define STT_SECTION     3
#define STT_FILE        4
#define STT_LOPROC      13
#define STT_HIPROC      15
 
/**
 * Program segment types
 */
#define PT_NULL         0
#define PT_LOAD         1
#define PT_DYNAMIC      2
#define PT_INTERP       3
#define PT_NOTE         4
#define PT_SHLIB        5
#define PT_PHDR         6
#define PT_LOPROC       0x70000000
#define PT_HIPROC       0x7fffffff
 
/**
 * Program segment attributes.
 */
#define PF_X    1
#define PF_W    2
#define PF_R    4
 
/**
 * ELF data types
 *
 * These types are found to be identical in both 32-bit and 64-bit
 * ELF object file specifications. They are the only types used
 * in ELF header.
 */
typedef uint64_t elf_xword;
typedef int64_t elf_sxword;
typedef uint32_t elf_word;
typedef int32_t elf_sword;
typedef uint16_t elf_half;
 
/**
 * 32-bit ELF data types.
 *
 * These types are specific for 32-bit format.
 */
typedef uint32_t elf32_addr;
typedef uint32_t elf32_off;
 
/**
 * 64-bit ELF data types.
 *
 * These types are specific for 64-bit format.
 */
typedef uint64_t elf64_addr;
typedef uint64_t elf64_off;
 
/** ELF header */
struct elf32_header {
    uint8_t e_ident[EI_NIDENT];
    elf_half e_type;
    elf_half e_machine;
    elf_word e_version;
    elf32_addr e_entry;
    elf32_off e_phoff;
    elf32_off e_shoff;
    elf_word e_flags;
    elf_half e_ehsize;
    elf_half e_phentsize;
    elf_half e_phnum;
    elf_half e_shentsize;
    elf_half e_shnum;
    elf_half e_shstrndx;
};
struct elf64_header {
    uint8_t e_ident[EI_NIDENT];
    elf_half e_type;
    elf_half e_machine;
    elf_word e_version;
    elf64_addr e_entry;
    elf64_off e_phoff;
    elf64_off e_shoff;
    elf_word e_flags;
    elf_half e_ehsize;
    elf_half e_phentsize;
    elf_half e_phnum;
    elf_half e_shentsize;
    elf_half e_shnum;
    elf_half e_shstrndx;
};
 
/*
 * ELF segment header.
 * Segments headers are also known as program headers.
 */
struct elf32_segment_header {
    elf_word p_type;
    elf32_off p_offset;
    elf32_addr p_vaddr;
    elf32_addr p_paddr;
    elf_word p_filesz;
    elf_word p_memsz;
    elf_word p_flags;
    elf_word p_align;
};
struct elf64_segment_header {
    elf_word p_type;
    elf_word p_flags;
    elf64_off p_offset;
    elf64_addr p_vaddr;
    elf64_addr p_paddr;
    elf_xword p_filesz;
    elf_xword p_memsz;
    elf_xword p_align;
};
 
/*
 * ELF section header
 */
struct elf32_section_header {
    elf_word sh_name;
    elf_word sh_type;
    elf_word sh_flags;
    elf32_addr sh_addr;
    elf32_off sh_offset;
    elf_word sh_size;
    elf_word sh_link;
    elf_word sh_info;
    elf_word sh_addralign;
    elf_word sh_entsize;
};
struct elf64_section_header {
    elf_word sh_name;
    elf_word sh_type;
    elf_xword sh_flags;
    elf64_addr sh_addr;
    elf64_off sh_offset;
    elf_xword sh_size;
    elf_word sh_link;
    elf_word sh_info;
    elf_xword sh_addralign;
    elf_xword sh_entsize;
};
 
/*
 * ELF symbol table entry
 */
struct elf32_symbol {
    elf_word st_name;
    elf32_addr st_value;
    elf_word st_size;
    uint8_t st_info;
    uint8_t st_other;
    elf_half st_shndx;
};
struct elf64_symbol {
    elf_word st_name;
    uint8_t st_info;
    uint8_t st_other;
    elf_half st_shndx;
    elf64_addr st_value;
    elf_xword st_size;
};
 
#ifdef __32_BITS__ 
typedef struct elf32_header elf_header_t;
typedef struct elf32_segment_header elf_segment_header_t;
typedef struct elf32_section_header elf_section_header_t;
typedef struct elf32_symbol elf_symbol_t;
#endif
#ifdef __64_BITS__
typedef struct elf64_header elf_header_t;
typedef struct elf64_segment_header elf_segment_header_t;
typedef struct elf64_section_header elf_section_header_t;
typedef struct elf64_symbol elf_symbol_t;
#endif
 
 
extern char *elf_error(int rc);
 
#endif
 
/** @}
 */
 

Rev 2071	Rev 2089
1	/*	1	/*
2	* Copyright (c) 2006 Sergey Bondari	2	* Copyright (c) 2006 Sergey Bondari
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup generic	29	/** @addtogroup generic
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_ELF_H_	35	#ifndef KERN_ELF_H_
36	#define KERN_ELF_H_	36	#define KERN_ELF_H_
37		37
38	#include <arch/elf.h>	38	#include <arch/elf.h>
39	#include <arch/types.h>	39	#include <arch/types.h>
40	#include <typedefs.h>	-
41		40
42	/**	41	/**
43	* current ELF version	42	* current ELF version
44	*/	43	*/
45	#define EV_CURRENT 1	44	#define EV_CURRENT 1
46		45
47	/**	46	/**
48	* ELF types	47	* ELF types
49	*/	48	*/
50	#define ET_NONE 0 /* No type */	49	#define ET_NONE 0 /* No type */
51	#define ET_REL 1 /* Relocatable file */	50	#define ET_REL 1 /* Relocatable file */
52	#define ET_EXEC 2 /* Executable */	51	#define ET_EXEC 2 /* Executable */
53	#define ET_DYN 3 /* Shared object */	52	#define ET_DYN 3 /* Shared object */
54	#define ET_CORE 4 /* Core */	53	#define ET_CORE 4 /* Core */
55	#define ET_LOPROC 0xff00 /* Processor specific */	54	#define ET_LOPROC 0xff00 /* Processor specific */
56	#define ET_HIPROC 0xffff /* Processor specific */	55	#define ET_HIPROC 0xffff /* Processor specific */
57		56
58	/**	57	/**
59	* ELF machine types	58	* ELF machine types
60	*/	59	*/
61	#define EM_NO 0 /* No machine */	60	#define EM_NO 0 /* No machine */
62	#define EM_SPARC 2 /* SPARC */	61	#define EM_SPARC 2 /* SPARC */
63	#define EM_386 3 /* i386 */	62	#define EM_386 3 /* i386 */
64	#define EM_MIPS 8 /* MIPS RS3000 */	63	#define EM_MIPS 8 /* MIPS RS3000 */
65	#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 LE */	64	#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 LE */
66	#define EM_PPC 20 /* PPC32 */	65	#define EM_PPC 20 /* PPC32 */
67	#define EM_PPC64 21 /* PPC64 */	66	#define EM_PPC64 21 /* PPC64 */
68	#define EM_SPARCV9 43 /* SPARC64 */	67	#define EM_SPARCV9 43 /* SPARC64 */
69	#define EM_IA_64 50 /* IA-64 */	68	#define EM_IA_64 50 /* IA-64 */
70	#define EM_X86_64 62 /* AMD64/EMT64 */	69	#define EM_X86_64 62 /* AMD64/EMT64 */
71		70
72	/**	71	/**
73	* ELF identification indexes	72	* ELF identification indexes
74	*/	73	*/
75	#define EI_MAG0 0	74	#define EI_MAG0 0
76	#define EI_MAG1 1	75	#define EI_MAG1 1
77	#define EI_MAG2 2	76	#define EI_MAG2 2
78	#define EI_MAG3 3	77	#define EI_MAG3 3
79	#define EI_CLASS 4 /* File class */	78	#define EI_CLASS 4 /* File class */
80	#define EI_DATA 5 /* Data encoding */	79	#define EI_DATA 5 /* Data encoding */
81	#define EI_VERSION 6 /* File version */	80	#define EI_VERSION 6 /* File version */
82	#define EI_OSABI 7	81	#define EI_OSABI 7
83	#define EI_ABIVERSION 8	82	#define EI_ABIVERSION 8
84	#define EI_PAD 9 /* Start of padding bytes */	83	#define EI_PAD 9 /* Start of padding bytes */
85	#define EI_NIDENT 16 /* ELF identification table size */	84	#define EI_NIDENT 16 /* ELF identification table size */
86		85
87	/**	86	/**
88	* ELF magic number	87	* ELF magic number
89	*/	88	*/
90	#define ELFMAG0 0x7f	89	#define ELFMAG0 0x7f
91	#define ELFMAG1 'E'	90	#define ELFMAG1 'E'
92	#define ELFMAG2 'L'	91	#define ELFMAG2 'L'
93	#define ELFMAG3 'F'	92	#define ELFMAG3 'F'
94		93
95	/**	94	/**
96	* ELF file classes	95	* ELF file classes
97	*/	96	*/
98	#define ELFCLASSNONE 0	97	#define ELFCLASSNONE 0
99	#define ELFCLASS32 1	98	#define ELFCLASS32 1
100	#define ELFCLASS64 2	99	#define ELFCLASS64 2
101		100
102	/**	101	/**
103	* ELF data encoding types	102	* ELF data encoding types
104	*/	103	*/
105	#define ELFDATANONE 0	104	#define ELFDATANONE 0
106	#define ELFDATA2LSB 1 /* Least significant byte first (little endian) */	105	#define ELFDATA2LSB 1 /* Least significant byte first (little endian) */
107	#define ELFDATA2MSB 2 /* Most signigicant byte first (big endian) */	106	#define ELFDATA2MSB 2 /* Most signigicant byte first (big endian) */
108		107
109	/**	108	/**
110	* ELF error return codes	109	* ELF error return codes
111	*/	110	*/
112	#define EE_OK 0 /* No error */	111	#define EE_OK 0 /* No error */
113	#define EE_INVALID 1 /* Invalid ELF image */	112	#define EE_INVALID 1 /* Invalid ELF image */
114	#define EE_MEMORY 2 /* Cannot allocate address space */	113	#define EE_MEMORY 2 /* Cannot allocate address space */
115	#define EE_INCOMPATIBLE 3 /* ELF image is not compatible with current architecture */	114	#define EE_INCOMPATIBLE 3 /* ELF image is not compatible with current architecture */
116	#define EE_UNSUPPORTED 4 /* Non-supported ELF (e.g. dynamic ELFs) */	115	#define EE_UNSUPPORTED 4 /* Non-supported ELF (e.g. dynamic ELFs) */
117	#define EE_IRRECOVERABLE 5	116	#define EE_IRRECOVERABLE 5
118		117
119	/**	118	/**
120	* ELF section types	119	* ELF section types
121	*/	120	*/
122	#define SHT_NULL 0	121	#define SHT_NULL 0
123	#define SHT_PROGBITS 1	122	#define SHT_PROGBITS 1
124	#define SHT_SYMTAB 2	123	#define SHT_SYMTAB 2
125	#define SHT_STRTAB 3	124	#define SHT_STRTAB 3
126	#define SHT_RELA 4	125	#define SHT_RELA 4
127	#define SHT_HASH 5	126	#define SHT_HASH 5
128	#define SHT_DYNAMIC 6	127	#define SHT_DYNAMIC 6
129	#define SHT_NOTE 7	128	#define SHT_NOTE 7
130	#define SHT_NOBITS 8	129	#define SHT_NOBITS 8
131	#define SHT_REL 9	130	#define SHT_REL 9
132	#define SHT_SHLIB 10	131	#define SHT_SHLIB 10
133	#define SHT_DYNSYM 11	132	#define SHT_DYNSYM 11
134	#define SHT_LOOS 0x60000000	133	#define SHT_LOOS 0x60000000
135	#define SHT_HIOS 0x6fffffff	134	#define SHT_HIOS 0x6fffffff
136	#define SHT_LOPROC 0x70000000	135	#define SHT_LOPROC 0x70000000
137	#define SHT_HIPROC 0x7fffffff	136	#define SHT_HIPROC 0x7fffffff
138	#define SHT_LOUSER 0x80000000	137	#define SHT_LOUSER 0x80000000
139	#define SHT_HIUSER 0xffffffff	138	#define SHT_HIUSER 0xffffffff
140		139
141	/**	140	/**
142	* ELF section flags	141	* ELF section flags
143	*/	142	*/
144	#define SHF_WRITE 0x1	143	#define SHF_WRITE 0x1
145	#define SHF_ALLOC 0x2	144	#define SHF_ALLOC 0x2
146	#define SHF_EXECINSTR 0x4	145	#define SHF_EXECINSTR 0x4
147	#define SHF_MASKPROC 0xf0000000	146	#define SHF_MASKPROC 0xf0000000
148		147
149	/**	148	/**
150	* Symbol binding	149	* Symbol binding
151	*/	150	*/
152	#define STB_LOCAL 0	151	#define STB_LOCAL 0
153	#define STB_GLOBAL 1	152	#define STB_GLOBAL 1
154	#define STB_WEAK 2	153	#define STB_WEAK 2
155	#define STB_LOPROC 13	154	#define STB_LOPROC 13
156	#define STB_HIPROC 15	155	#define STB_HIPROC 15
157		156
158	/**	157	/**
159	* Symbol types	158	* Symbol types
160	*/	159	*/
161	#define STT_NOTYPE 0	160	#define STT_NOTYPE 0
162	#define STT_OBJECT 1	161	#define STT_OBJECT 1
163	#define STT_FUNC 2	162	#define STT_FUNC 2
164	#define STT_SECTION 3	163	#define STT_SECTION 3
165	#define STT_FILE 4	164	#define STT_FILE 4
166	#define STT_LOPROC 13	165	#define STT_LOPROC 13
167	#define STT_HIPROC 15	166	#define STT_HIPROC 15
168		167
169	/**	168	/**
170	* Program segment types	169	* Program segment types
171	*/	170	*/
172	#define PT_NULL 0	171	#define PT_NULL 0
173	#define PT_LOAD 1	172	#define PT_LOAD 1
174	#define PT_DYNAMIC 2	173	#define PT_DYNAMIC 2
175	#define PT_INTERP 3	174	#define PT_INTERP 3
176	#define PT_NOTE 4	175	#define PT_NOTE 4
177	#define PT_SHLIB 5	176	#define PT_SHLIB 5
178	#define PT_PHDR 6	177	#define PT_PHDR 6
179	#define PT_LOPROC 0x70000000	178	#define PT_LOPROC 0x70000000
180	#define PT_HIPROC 0x7fffffff	179	#define PT_HIPROC 0x7fffffff
181		180
182	/**	181	/**
183	* Program segment attributes.	182	* Program segment attributes.
184	*/	183	*/
185	#define PF_X 1	184	#define PF_X 1
186	#define PF_W 2	185	#define PF_W 2
187	#define PF_R 4	186	#define PF_R 4
188		187
189	/**	188	/**
190	* ELF data types	189	* ELF data types
191	*	190	*
192	* These types are found to be identical in both 32-bit and 64-bit	191	* These types are found to be identical in both 32-bit and 64-bit
193	* ELF object file specifications. They are the only types used	192	* ELF object file specifications. They are the only types used
194	* in ELF header.	193	* in ELF header.
195	*/	194	*/
196	typedef uint64_t elf_xword;	195	typedef uint64_t elf_xword;
197	typedef int64_t elf_sxword;	196	typedef int64_t elf_sxword;
198	typedef uint32_t elf_word;	197	typedef uint32_t elf_word;
199	typedef int32_t elf_sword;	198	typedef int32_t elf_sword;
200	typedef uint16_t elf_half;	199	typedef uint16_t elf_half;
201		200
202	/**	201	/**
203	* 32-bit ELF data types.	202	* 32-bit ELF data types.
204	*	203	*
205	* These types are specific for 32-bit format.	204	* These types are specific for 32-bit format.
206	*/	205	*/
207	typedef uint32_t elf32_addr;	206	typedef uint32_t elf32_addr;
208	typedef uint32_t elf32_off;	207	typedef uint32_t elf32_off;
209		208
210	/**	209	/**
211	* 64-bit ELF data types.	210	* 64-bit ELF data types.
212	*	211	*
213	* These types are specific for 64-bit format.	212	* These types are specific for 64-bit format.
214	*/	213	*/
215	typedef uint64_t elf64_addr;	214	typedef uint64_t elf64_addr;
216	typedef uint64_t elf64_off;	215	typedef uint64_t elf64_off;
217		216
218	/** ELF header */	217	/** ELF header */
219	struct elf32_header {	218	struct elf32_header {
220	uint8_t e_ident[EI_NIDENT];	219	uint8_t e_ident[EI_NIDENT];
221	elf_half e_type;	220	elf_half e_type;
222	elf_half e_machine;	221	elf_half e_machine;
223	elf_word e_version;	222	elf_word e_version;
224	elf32_addr e_entry;	223	elf32_addr e_entry;
225	elf32_off e_phoff;	224	elf32_off e_phoff;
226	elf32_off e_shoff;	225	elf32_off e_shoff;
227	elf_word e_flags;	226	elf_word e_flags;
228	elf_half e_ehsize;	227	elf_half e_ehsize;
229	elf_half e_phentsize;	228	elf_half e_phentsize;
230	elf_half e_phnum;	229	elf_half e_phnum;
231	elf_half e_shentsize;	230	elf_half e_shentsize;
232	elf_half e_shnum;	231	elf_half e_shnum;
233	elf_half e_shstrndx;	232	elf_half e_shstrndx;
234	};	233	};
235	struct elf64_header {	234	struct elf64_header {
236	uint8_t e_ident[EI_NIDENT];	235	uint8_t e_ident[EI_NIDENT];
237	elf_half e_type;	236	elf_half e_type;
238	elf_half e_machine;	237	elf_half e_machine;
239	elf_word e_version;	238	elf_word e_version;
240	elf64_addr e_entry;	239	elf64_addr e_entry;
241	elf64_off e_phoff;	240	elf64_off e_phoff;
242	elf64_off e_shoff;	241	elf64_off e_shoff;
243	elf_word e_flags;	242	elf_word e_flags;
244	elf_half e_ehsize;	243	elf_half e_ehsize;
245	elf_half e_phentsize;	244	elf_half e_phentsize;
246	elf_half e_phnum;	245	elf_half e_phnum;
247	elf_half e_shentsize;	246	elf_half e_shentsize;
248	elf_half e_shnum;	247	elf_half e_shnum;
249	elf_half e_shstrndx;	248	elf_half e_shstrndx;
250	};	249	};
251		250
252	/*	251	/*
253	* ELF segment header.	252	* ELF segment header.
254	* Segments headers are also known as program headers.	253	* Segments headers are also known as program headers.
255	*/	254	*/
256	struct elf32_segment_header {	255	struct elf32_segment_header {
257	elf_word p_type;	256	elf_word p_type;
258	elf32_off p_offset;	257	elf32_off p_offset;
259	elf32_addr p_vaddr;	258	elf32_addr p_vaddr;
260	elf32_addr p_paddr;	259	elf32_addr p_paddr;
261	elf_word p_filesz;	260	elf_word p_filesz;
262	elf_word p_memsz;	261	elf_word p_memsz;
263	elf_word p_flags;	262	elf_word p_flags;
264	elf_word p_align;	263	elf_word p_align;
265	};	264	};
266	struct elf64_segment_header {	265	struct elf64_segment_header {
267	elf_word p_type;	266	elf_word p_type;
268	elf_word p_flags;	267	elf_word p_flags;
269	elf64_off p_offset;	268	elf64_off p_offset;
270	elf64_addr p_vaddr;	269	elf64_addr p_vaddr;
271	elf64_addr p_paddr;	270	elf64_addr p_paddr;
272	elf_xword p_filesz;	271	elf_xword p_filesz;
273	elf_xword p_memsz;	272	elf_xword p_memsz;
274	elf_xword p_align;	273	elf_xword p_align;
275	};	274	};
276		275
277	/*	276	/*
278	* ELF section header	277	* ELF section header
279	*/	278	*/
280	struct elf32_section_header {	279	struct elf32_section_header {
281	elf_word sh_name;	280	elf_word sh_name;
282	elf_word sh_type;	281	elf_word sh_type;
283	elf_word sh_flags;	282	elf_word sh_flags;
284	elf32_addr sh_addr;	283	elf32_addr sh_addr;
285	elf32_off sh_offset;	284	elf32_off sh_offset;
286	elf_word sh_size;	285	elf_word sh_size;
287	elf_word sh_link;	286	elf_word sh_link;
288	elf_word sh_info;	287	elf_word sh_info;
289	elf_word sh_addralign;	288	elf_word sh_addralign;
290	elf_word sh_entsize;	289	elf_word sh_entsize;
291	};	290	};
292	struct elf64_section_header {	291	struct elf64_section_header {
293	elf_word sh_name;	292	elf_word sh_name;
294	elf_word sh_type;	293	elf_word sh_type;
295	elf_xword sh_flags;	294	elf_xword sh_flags;
296	elf64_addr sh_addr;	295	elf64_addr sh_addr;
297	elf64_off sh_offset;	296	elf64_off sh_offset;
298	elf_xword sh_size;	297	elf_xword sh_size;
299	elf_word sh_link;	298	elf_word sh_link;
300	elf_word sh_info;	299	elf_word sh_info;
301	elf_xword sh_addralign;	300	elf_xword sh_addralign;
302	elf_xword sh_entsize;	301	elf_xword sh_entsize;
303	};	302	};
304		303
305	/*	304	/*
306	* ELF symbol table entry	305	* ELF symbol table entry
307	*/	306	*/
308	struct elf32_symbol {	307	struct elf32_symbol {
309	elf_word st_name;	308	elf_word st_name;
310	elf32_addr st_value;	309	elf32_addr st_value;
311	elf_word st_size;	310	elf_word st_size;
312	uint8_t st_info;	311	uint8_t st_info;
313	uint8_t st_other;	312	uint8_t st_other;
314	elf_half st_shndx;	313	elf_half st_shndx;
315	};	314	};
316	struct elf64_symbol {	315	struct elf64_symbol {
317	elf_word st_name;	316	elf_word st_name;
318	uint8_t st_info;	317	uint8_t st_info;
319	uint8_t st_other;	318	uint8_t st_other;
320	elf_half st_shndx;	319	elf_half st_shndx;
321	elf64_addr st_value;	320	elf64_addr st_value;
322	elf_xword st_size;	321	elf_xword st_size;
323	};	322	};
324		323
325	#ifdef __32_BITS__	324	#ifdef __32_BITS__
326	typedef struct elf32_header elf_header_t;	325	typedef struct elf32_header elf_header_t;
327	typedef struct elf32_segment_header elf_segment_header_t;	326	typedef struct elf32_segment_header elf_segment_header_t;
328	typedef struct elf32_section_header elf_section_header_t;	327	typedef struct elf32_section_header elf_section_header_t;
329	typedef struct elf32_symbol elf_symbol_t;	328	typedef struct elf32_symbol elf_symbol_t;
330	#endif	329	#endif
331	#ifdef __64_BITS__	330	#ifdef __64_BITS__
332	typedef struct elf64_header elf_header_t;	331	typedef struct elf64_header elf_header_t;
333	typedef struct elf64_segment_header elf_segment_header_t;	332	typedef struct elf64_segment_header elf_segment_header_t;
334	typedef struct elf64_section_header elf_section_header_t;	333	typedef struct elf64_section_header elf_section_header_t;
335	typedef struct elf64_symbol elf_symbol_t;	334	typedef struct elf64_symbol elf_symbol_t;
336	#endif	335	#endif
337		336
338	extern int elf_load(elf_header_t header, as_t as);	-
339	extern char *elf_error(int rc);	337	extern char *elf_error(int rc);
340		338
341	#endif	339	#endif
342		340
343	/** @}	341	/** @}
344	*/	342	*/
345		343

Subversion Repositories HelenOS

(root)/trunk/kernel/generic/include/lib/elf.h – Rev 2071 → 2089