summaryrefslogtreecommitdiffstats
path: root/usr.bin/file/readelf.h
blob: 853eed600f95accd41069e92c6c386d27dbb1e08 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/*
 * readelf.h 
 * @(#)$Id: readelf.h,v 1.1.1.1 1997/03/18 17:58:55 mpp Exp $
 *
 * Provide elf data structures for non-elf machines, allowing file
 * non-elf hosts to determine if an elf binary is stripped.
 * Note: cobbled from the linux header file, with modifications
 */
#ifndef __fake_elf_h__
#define __fake_elf_h__

typedef unsigned int	Elf32_Addr;
typedef unsigned short	Elf32_Half;
typedef unsigned int	Elf32_Off;
typedef unsigned int	Elf32_Word;
typedef unsigned char	Elf32_Char;

/* XXX: We need 64 bit numbers here */
typedef u_quad_t	Elf64_Addr;
typedef unsigned short	Elf64_Half;
typedef u_quad_t	Elf64_Off;
typedef unsigned int	Elf64_Word;
typedef unsigned char	Elf64_Char;

#define EI_NIDENT	16

typedef struct {
    Elf32_Char	e_ident[EI_NIDENT];
    Elf32_Half	e_type;
    Elf32_Half	e_machine;
    Elf32_Word	e_version;
    Elf32_Addr	e_entry;  /* Entry point */
    Elf32_Off	e_phoff;
    Elf32_Off	e_shoff;
    Elf32_Word	e_flags;
    Elf32_Half	e_ehsize;
    Elf32_Half	e_phentsize;
    Elf32_Half	e_phnum;
    Elf32_Half	e_shentsize;
    Elf32_Half	e_shnum;
    Elf32_Half	e_shstrndx;
} Elf32_Ehdr;

typedef struct {
    Elf64_Char	e_ident[EI_NIDENT];
    Elf64_Half	e_type;
    Elf64_Half	e_machine;
    Elf64_Word	e_version;
    Elf64_Addr	e_entry;  /* Entry point */
    Elf64_Off	e_phoff;
    Elf64_Off	e_shoff;
    Elf64_Word	e_flags;
    Elf64_Half	e_ehsize;
    Elf64_Half	e_phentsize;
    Elf64_Half	e_phnum;
    Elf64_Half	e_shentsize;
    Elf64_Half	e_shnum;
    Elf64_Half	e_shstrndx;
} Elf64_Ehdr;

/* e_type */
#define ET_EXEC		2
#define ET_CORE		4

/* sh_type */
#define SHT_SYMTAB	2
#define SHT_NOTE	7

/* elf type */
#define ELFDATANONE	0		/* e_ident[EI_DATA] */
#define ELFDATA2LSB	1
#define ELFDATA2MSB	2

/* elf class */
#define ELFCLASSNONE	0
#define ELFCLASS32	1
#define ELFCLASS64	2

/* magic number */
#define	EI_MAG0		0		/* e_ident[] indexes */
#define	EI_MAG1		1
#define	EI_MAG2		2
#define	EI_MAG3		3
#define	EI_CLASS	4
#define	EI_DATA		5
#define	EI_VERSION	6
#define	EI_PAD		7

#define	ELFMAG0		0x7f		/* EI_MAG */
#define	ELFMAG1		'E'
#define	ELFMAG2		'L'
#define	ELFMAG3		'F'
#define	ELFMAG		"\177ELF"

typedef struct {
    Elf32_Word	p_type;
    Elf32_Off	p_offset;
    Elf32_Addr	p_vaddr;
    Elf32_Addr	p_paddr;
    Elf32_Word	p_filesz;
    Elf32_Word	p_memsz;
    Elf32_Word	p_flags;
    Elf32_Word	p_align;
} Elf32_Phdr;

#define	PT_NULL		0		/* p_type */
#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_NUM		7

typedef struct {
    Elf32_Word	sh_name;
    Elf32_Word	sh_type;
    Elf32_Word	sh_flags;
    Elf32_Addr	sh_addr;
    Elf32_Off	sh_offset;
    Elf32_Word	sh_size;
    Elf32_Word	sh_link;
    Elf32_Word	sh_info;
    Elf32_Word	sh_addralign;
    Elf32_Word	sh_entsize;
} Elf32_Shdr;

typedef struct {
    Elf64_Word	sh_name;
    Elf64_Word	sh_type;
    Elf64_Off	sh_flags;
    Elf64_Addr	sh_addr;
    Elf64_Off	sh_offset;
    Elf64_Off	sh_size;
    Elf64_Word	sh_link;
    Elf64_Word	sh_info;
    Elf64_Off	sh_addralign;
    Elf64_Off	sh_entsize;
} Elf64_Shdr;

/* Notes used in ET_CORE */
#define NT_PRSTATUS	1
#define NT_PRFPREG	2
#define NT_PRPSINFO	3
#define NT_TASKSTRUCT	4

/* Note header in a PT_NOTE section */
typedef struct elf_note {
  Elf32_Word	n_namesz;	/* Name size */
  Elf32_Word	n_descsz;	/* Content size */
  Elf32_Word	n_type;		/* Content type */
} Elf32_Nhdr;

typedef struct {
    Elf64_Word	n_namesz;
    Elf64_Word	n_descsz;
    Elf64_Word	n_type;
} Elf64_Nhdr;

#define	NT_PRSTATUS	1
#define	NT_PRFPREG	2
#define	NT_PRPSINFO	3
#define	NT_PRXREG	4
#define	NT_PLATFORM	5
#define	NT_AUXV		6

#endif
OpenPOWER on IntegriCloud