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1 /*
2  * sys/elf64.h
3  */
4 
5 #ifndef _SYS_ELF64_H
6 #define _SYS_ELF64_H
7 
8 #include <sys/elfcommon.h>
9 
10 /* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
11 typedef uint16_t Elf64_Half;
12 typedef int16_t Elf64_SHalf;
13 typedef uint32_t Elf64_Word;
14 typedef int32_t Elf64_Sword;
15 typedef uint64_t Elf64_Xword;
16 typedef int64_t Elf64_Sxword;
17 
18 typedef uint64_t Elf64_Off;
19 typedef uint64_t Elf64_Addr;
20 typedef uint16_t Elf64_Section;
21 
22 /* Dynamic header */
23 
24 typedef struct elf64_dyn {
25     Elf64_Sxword d_tag;
26     union {
27 	Elf64_Xword d_val;
28 	Elf64_Addr d_ptr;
29     } d_un;
30 } Elf64_Dyn;
31 
32 /* Relocations */
33 
34 #define ELF64_R_SYM(x)	((x) >> 32)
35 #define ELF64_R_TYPE(x)	((x) & 0xffffffff)
36 
37 typedef struct elf64_rel {
38     Elf64_Addr r_offset;
39     Elf64_Xword r_info;
40 } Elf64_Rel;
41 
42 typedef struct elf64_rela {
43     Elf64_Addr r_offset;
44     Elf64_Xword r_info;
45     Elf64_Sxword r_addend;
46 } Elf64_Rela;
47 
48 /* Symbol */
49 
50 typedef struct elf64_sym {
51     Elf64_Word st_name;
52     unsigned char st_info;
53     unsigned char st_other;
54     Elf64_Half st_shndx;
55     Elf64_Addr st_value;
56     Elf64_Xword st_size;
57 } Elf64_Sym;
58 
59 /* Main file header */
60 
61 typedef struct elf64_hdr {
62     unsigned char e_ident[EI_NIDENT];
63     Elf64_Half e_type;
64     Elf64_Half e_machine;
65     Elf64_Word e_version;
66     Elf64_Addr e_entry;
67     Elf64_Off e_phoff;
68     Elf64_Off e_shoff;
69     Elf64_Word e_flags;
70     Elf64_Half e_ehsize;
71     Elf64_Half e_phentsize;
72     Elf64_Half e_phnum;
73     Elf64_Half e_shentsize;
74     Elf64_Half e_shnum;
75     Elf64_Half e_shstrndx;
76 } Elf64_Ehdr;
77 
78 /* Program header */
79 
80 typedef struct elf64_phdr {
81     Elf64_Word p_type;
82     Elf64_Word p_flags;
83     Elf64_Off p_offset;
84     Elf64_Addr p_vaddr;
85     Elf64_Addr p_paddr;
86     Elf64_Xword p_filesz;
87     Elf64_Xword p_memsz;
88     Elf64_Xword p_align;
89 } Elf64_Phdr;
90 
91 /* Section header */
92 
93 typedef struct elf64_shdr {
94     Elf64_Word sh_name;
95     Elf64_Word sh_type;
96     Elf64_Xword sh_flags;
97     Elf64_Addr sh_addr;
98     Elf64_Off sh_offset;
99     Elf64_Xword sh_size;
100     Elf64_Word sh_link;
101     Elf64_Word sh_info;
102     Elf64_Xword sh_addralign;
103     Elf64_Xword sh_entsize;
104 } Elf64_Shdr;
105 
106 /* Note header */
107 typedef struct elf64_note {
108     Elf64_Word n_namesz;	/* Name size */
109     Elf64_Word n_descsz;	/* Content size */
110     Elf64_Word n_type;		/* Content type */
111 } Elf64_Nhdr;
112 
113 #endif /* _SYS_ELF64_H */
114