[termux-packages] / packages / termux-tools / elf.h

#ifndef ELF_H_INCLUDED
#define ELF_H_INCLUDED

#include <stdint.h>

/* Type for a 16-bit quantity.  */
typedef uint16_t Elf32_Half;
typedef uint16_t Elf64_Half;

/* Types for signed and unsigned 32-bit quantities.  */
typedef uint32_t Elf32_Word;
typedef int32_t  Elf32_Sword;
typedef uint32_t Elf64_Word;
typedef int32_t  Elf64_Sword;

/* Types for signed and unsigned 64-bit quantities.  */
typedef uint64_t Elf32_Xword;
typedef int64_t  Elf32_Sxword;
typedef uint64_t Elf64_Xword;
typedef int64_t  Elf64_Sxword;

/* Type of addresses.  */
typedef uint32_t Elf32_Addr;
typedef uint64_t Elf64_Addr;

/* Type of file offsets.  */
typedef uint32_t Elf32_Off;
typedef uint64_t Elf64_Off;

/* Type for section indices, which are 16-bit quantities.  */
typedef uint16_t Elf32_Section;
typedef uint16_t Elf64_Section;

/* Type for version symbol information.  */
typedef Elf32_Half Elf32_Versym;
typedef Elf64_Half Elf64_Versym;


/* The ELF file header.  This appears at the start of every ELF file.  */
typedef struct {
	unsigned char e_ident[16];     /* Magic number and other info */
	Elf32_Half    e_type;                 /* Object file type */
	Elf32_Half    e_machine;              /* Architecture */
	Elf32_Word    e_version;              /* Object file version */
	Elf32_Addr    e_entry;                /* Entry point virtual address */
	Elf32_Off     e_phoff;                /* Program header table (usually follows elf header directly) file offset */
	Elf32_Off     e_shoff;                /* Section header table (at end of file) file offset */
	Elf32_Word    e_flags;                /* Processor-specific flags */
	Elf32_Half    e_ehsize;               /* ELF header size in bytes */
	Elf32_Half    e_phentsize;            /* Program header table entry size */
	Elf32_Half    e_phnum;                /* Program header table entry count */
	Elf32_Half    e_shentsize;            /* Section header table entry size */
	Elf32_Half    e_shnum;                /* Section header table entry count */
	Elf32_Half    e_shstrndx;             /* Section header string table index */
} Elf32_Ehdr;
typedef struct {
	unsigned char e_ident[16];     /* Magic number and other info */
	Elf64_Half    e_type;                 /* Object file type */
	Elf64_Half    e_machine;              /* Architecture */
	Elf64_Word    e_version;              /* Object file version */
	Elf64_Addr    e_entry;                /* Entry point virtual address */
	Elf64_Off     e_phoff;                /* Program header table file offset */
	Elf64_Off     e_shoff;                /* Section header table file offset */
	Elf64_Word    e_flags;                /* Processor-specific flags */
	Elf64_Half    e_ehsize;               /* ELF header size in bytes */
	Elf64_Half    e_phentsize;            /* Program header table entry size */
	Elf64_Half    e_phnum;                /* Program header table entry count */
	Elf64_Half    e_shentsize;            /* Section header table entry size */
	Elf64_Half    e_shnum;                /* Section header table entry count */
	Elf64_Half    e_shstrndx;             /* Section header string table index */
} Elf64_Ehdr;

/* Section header entry. The number of section entries in the file are determined by the "e_shnum" field of the ELF header.*/
typedef struct {
	Elf32_Word    sh_name;                /* Section name (string tbl index) */
	Elf32_Word    sh_type;                /* Section type */
	Elf32_Word    sh_flags;               /* Section flags */
	Elf32_Addr    sh_addr;                /* Section virtual addr at execution */
	Elf32_Off     sh_offset;              /* Section file offset */
	Elf32_Word    sh_size;                /* Section size in bytes */
	Elf32_Word    sh_link;                /* Link to another section */
	Elf32_Word    sh_info;                /* Additional section information */
	Elf32_Word    sh_addralign;           /* Section alignment */
	Elf32_Word    sh_entsize;             /* Entry size if section holds table */
} Elf32_Shdr;
typedef struct {
	Elf64_Word    sh_name;                /* Section name (string tbl index) */
	Elf64_Word    sh_type;                /* Section type */
	Elf64_Xword   sh_flags;               /* Section flags */
	Elf64_Addr    sh_addr;                /* Section virtual addr at execution */
	Elf64_Off     sh_offset;              /* Section file offset */
	Elf64_Xword   sh_size;                /* Section size in bytes */
	Elf64_Word    sh_link;                /* Link to another section */
	Elf64_Word    sh_info;                /* Additional section information */
	Elf64_Xword   sh_addralign;           /* Section alignment */
	Elf64_Xword   sh_entsize;             /* Entry size if section holds table */
} Elf64_Shdr;

/* Legal values for sh_type (section type).  */
#define SHT_NULL          0             /* Section header table entry unused */
#define SHT_PROGBITS      1             /* Program data */
#define SHT_SYMTAB        2             /* Symbol table */
#define SHT_STRTAB        3             /* String table */
#define SHT_RELA          4             /* Relocation entries with addends */
#define SHT_HASH          5             /* Symbol hash table */
#define SHT_DYNAMIC       6             /* Dynamic linking information. Contains Elf32_Dyn/Elf64_Dyn entries. */
#define SHT_NOTE          7             /* Notes */
#define SHT_NOBITS        8             /* Program space with no data (bss) */
#define SHT_REL           9             /* Relocation entries, no addends */
#define SHT_SHLIB         10            /* Reserved */
#define SHT_DYNSYM        11            /* Dynamic linker symbol table */
#define SHT_INIT_ARRAY    14            /* Array of constructors */
#define SHT_FINI_ARRAY    15            /* Array of destructors */
#define SHT_PREINIT_ARRAY 16            /* Array of pre-constructors */
#define SHT_GROUP         17            /* Section group */
#define SHT_SYMTAB_SHNDX  18            /* Extended section indeces */
#define SHT_NUM           19            /* Number of defined types.  */
#define SHT_LOOS          0x60000000    /* Start OS-specific.  */
#define SHT_GNU_ATTRIBUTES 0x6ffffff5   /* Object attributes.  */
#define SHT_GNU_HASH      0x6ffffff6    /* GNU-style hash table.  */
#define SHT_GNU_LIBLIST   0x6ffffff7    /* Prelink library list */
#define SHT_CHECKSUM      0x6ffffff8    /* Checksum for DSO content.  */
#define SHT_LOSUNW        0x6ffffffa    /* Sun-specific low bound.  */
#define SHT_SUNW_move     0x6ffffffa
#define SHT_SUNW_COMDAT   0x6ffffffb
#define SHT_SUNW_syminfo  0x6ffffffc
#define SHT_GNU_verdef    0x6ffffffd    /* Version definition section.  */
#define SHT_GNU_verneed   0x6ffffffe    /* Version needs section.  */
#define SHT_GNU_versym    0x6fffffff    /* Version symbol table.  */
#define SHT_HISUNW        0x6fffffff    /* Sun-specific high bound.  */
#define SHT_HIOS          0x6fffffff    /* End OS-specific type */
#define SHT_LOPROC        0x70000000    /* Start of processor-specific */
#define SHT_HIPROC        0x7fffffff    /* End of processor-specific */
#define SHT_LOUSER        0x80000000    /* Start of application-specific */
#define SHT_HIUSER        0x8fffffff    /* End of application-specific */

/* Dynamic section entry.  */
typedef struct {
	Elf32_Sword d_tag;                  			/* Dynamic entry type */
	union { Elf32_Word d_val; Elf32_Addr d_ptr; } d_un; 	/* Integer or address value */
} Elf32_Dyn;
typedef struct {
	Elf64_Sxword d_tag;                  			/* Dynamic entry type */
	union { Elf64_Xword d_val; Elf64_Addr d_ptr; } d_un;	/* Integer or address value */
} Elf64_Dyn;

/* Legal values for d_tag (dynamic entry type).  */
#define DT_NULL         0               /* Marks end of dynamic section */
#define DT_NEEDED       1               /* Name of needed library */
#define DT_PLTRELSZ     2               /* Size in bytes of PLT relocs */
#define DT_PLTGOT       3               /* Processor defined value */
#define DT_HASH         4               /* Address of symbol hash table */
#define DT_STRTAB       5               /* Address of string table */
#define DT_SYMTAB       6               /* Address of symbol table */
#define DT_RELA         7               /* Address of Rela relocs */
#define DT_RELASZ       8               /* Total size of Rela relocs */
#define DT_RELAENT      9               /* Size of one Rela reloc */
#define DT_STRSZ        10              /* Size of string table */
#define DT_SYMENT       11              /* Size of one symbol table entry */
#define DT_INIT         12              /* Address of init function */
#define DT_FINI         13              /* Address of termination function */
#define DT_SONAME       14              /* Name of shared object */
#define DT_RPATH        15              /* Library search path (deprecated) */
#define DT_SYMBOLIC     16              /* Start symbol search here */
#define DT_REL          17              /* Address of Rel relocs */
#define DT_RELSZ        18              /* Total size of Rel relocs */
#define DT_RELENT       19              /* Size of one Rel reloc */
#define DT_PLTREL       20              /* Type of reloc in PLT */
#define DT_DEBUG        21              /* For debugging; unspecified */
#define DT_TEXTREL      22              /* Reloc might modify .text */
#define DT_JMPREL       23              /* Address of PLT relocs */
#define DT_BIND_NOW     24              /* Process relocations of object */
#define DT_INIT_ARRAY   25              /* Array with addresses of init fct */
#define DT_FINI_ARRAY   26              /* Array with addresses of fini fct */
#define DT_INIT_ARRAYSZ 27              /* Size in bytes of DT_INIT_ARRAY */
#define DT_FINI_ARRAYSZ 28              /* Size in bytes of DT_FINI_ARRAY */
#define DT_RUNPATH      29              /* Library search path */
#define DT_FLAGS        30              /* Flags for the object being loaded */
#define DT_ENCODING     32              /* Start of encoded range */
#define DT_PREINIT_ARRAY 32             /* Array with addresses of preinit fct*/
#define DT_PREINIT_ARRAYSZ 33           /* size in bytes of DT_PREINIT_ARRAY */
#define DT_NUM          34              /* Number used */
#define DT_LOOS         0x6000000d      /* Start of OS-specific */
#define DT_HIOS         0x6ffff000      /* End of OS-specific */
#define DT_VERDEF       0x6ffffffc
#define DT_VERDEFNUM    0x6ffffffd
#define DT_LOPROC       0x70000000      /* Start of processor-specific */
#define DT_HIPROC       0x7fffffff      /* End of processor-specific */


/* Symbol table entry.  */
typedef struct {
	Elf32_Word    st_name;                /* Symbol name (string tbl index) */
	Elf32_Addr    st_value;               /* Symbol value */
	Elf32_Word    st_size;                /* Symbol size */
	unsigned char st_info;                /* Symbol type and binding */
	unsigned char st_other;               /* Symbol visibility */
	Elf32_Section st_shndx;               /* Section index */
} Elf32_Sym;

typedef struct {
	Elf64_Word    st_name;                /* Symbol name (string tbl index) */
	unsigned char st_info;                /* Symbol type and binding */
	unsigned char st_other;               /* Symbol visibility */
	Elf64_Section st_shndx;               /* Section index */
	Elf64_Addr    st_value;               /* Symbol value */
	Elf64_Xword   st_size;                /* Symbol size */
} Elf64_Sym;


#endif
Commit	Line	Data
59f0d218 FF	1	#ifndef ELF_H_INCLUDED
	2	#define ELF_H_INCLUDED
	3
	4	#include <stdint.h>
	5
	6	/* Type for a 16-bit quantity. */
	7	typedef uint16_t Elf32_Half;
	8	typedef uint16_t Elf64_Half;
	9
	10	/* Types for signed and unsigned 32-bit quantities. */
	11	typedef uint32_t Elf32_Word;
	12	typedef int32_t Elf32_Sword;
	13	typedef uint32_t Elf64_Word;
	14	typedef int32_t Elf64_Sword;
	15
	16	/* Types for signed and unsigned 64-bit quantities. */
	17	typedef uint64_t Elf32_Xword;
	18	typedef int64_t Elf32_Sxword;
	19	typedef uint64_t Elf64_Xword;
	20	typedef int64_t Elf64_Sxword;
	21
	22	/* Type of addresses. */
	23	typedef uint32_t Elf32_Addr;
	24	typedef uint64_t Elf64_Addr;
	25
	26	/* Type of file offsets. */
	27	typedef uint32_t Elf32_Off;
	28	typedef uint64_t Elf64_Off;
	29
	30	/* Type for section indices, which are 16-bit quantities. */
	31	typedef uint16_t Elf32_Section;
	32	typedef uint16_t Elf64_Section;
	33
	34	/* Type for version symbol information. */
	35	typedef Elf32_Half Elf32_Versym;
	36	typedef Elf64_Half Elf64_Versym;
	37
	38
	39	/* The ELF file header. This appears at the start of every ELF file. */
	40	typedef struct {
	41	unsigned char e_ident[16]; /* Magic number and other info */
	42	Elf32_Half e_type; /* Object file type */
	43	Elf32_Half e_machine; /* Architecture */
	44	Elf32_Word e_version; /* Object file version */
	45	Elf32_Addr e_entry; /* Entry point virtual address */
	46	Elf32_Off e_phoff; /* Program header table (usually follows elf header directly) file offset */
	47	Elf32_Off e_shoff; /* Section header table (at end of file) file offset */
	48	Elf32_Word e_flags; /* Processor-specific flags */
	49	Elf32_Half e_ehsize; /* ELF header size in bytes */
	50	Elf32_Half e_phentsize; /* Program header table entry size */
	51	Elf32_Half e_phnum; /* Program header table entry count */
	52	Elf32_Half e_shentsize; /* Section header table entry size */
	53	Elf32_Half e_shnum; /* Section header table entry count */
	54	Elf32_Half e_shstrndx; /* Section header string table index */
	55	} Elf32_Ehdr;
	56	typedef struct {
	57	unsigned char e_ident[16]; /* Magic number and other info */
	58	Elf64_Half e_type; /* Object file type */
	59	Elf64_Half e_machine; /* Architecture */
	60	Elf64_Word e_version; /* Object file version */
	61	Elf64_Addr e_entry; /* Entry point virtual address */
	62	Elf64_Off e_phoff; /* Program header table file offset */
	63	Elf64_Off e_shoff; /* Section header table file offset */
	64	Elf64_Word e_flags; /* Processor-specific flags */
65	Elf64_Half e_ehsize; /* ELF header size in bytes */
66	Elf64_Half e_phentsize; /* Program header table entry size */
67	Elf64_Half e_phnum; /* Program header table entry count */
68	Elf64_Half e_shentsize; /* Section header table entry size */
69	Elf64_Half e_shnum; /* Section header table entry count */
70	Elf64_Half e_shstrndx; /* Section header string table index */
71	} Elf64_Ehdr;
72
73	/* Section header entry. The number of section entries in the file are determined by the "e_shnum" field of the ELF header.*/
74	typedef struct {
75	Elf32_Word sh_name; /* Section name (string tbl index) */
76	Elf32_Word sh_type; /* Section type */
77	Elf32_Word sh_flags; /* Section flags */
78	Elf32_Addr sh_addr; /* Section virtual addr at execution */
79	Elf32_Off sh_offset; /* Section file offset */
80	Elf32_Word sh_size; /* Section size in bytes */
81	Elf32_Word sh_link; /* Link to another section */
82	Elf32_Word sh_info; /* Additional section information */
83	Elf32_Word sh_addralign; /* Section alignment */
84	Elf32_Word sh_entsize; /* Entry size if section holds table */
85	} Elf32_Shdr;
86	typedef struct {
87	Elf64_Word sh_name; /* Section name (string tbl index) */
88	Elf64_Word sh_type; /* Section type */
89	Elf64_Xword sh_flags; /* Section flags */
90	Elf64_Addr sh_addr; /* Section virtual addr at execution */
91	Elf64_Off sh_offset; /* Section file offset */
92	Elf64_Xword sh_size; /* Section size in bytes */
93	Elf64_Word sh_link; /* Link to another section */
94	Elf64_Word sh_info; /* Additional section information */
95	Elf64_Xword sh_addralign; /* Section alignment */
96	Elf64_Xword sh_entsize; /* Entry size if section holds table */
97	} Elf64_Shdr;
98
99	/* Legal values for sh_type (section type). */
100	#define SHT_NULL 0 /* Section header table entry unused */
101	#define SHT_PROGBITS 1 /* Program data */
102	#define SHT_SYMTAB 2 /* Symbol table */
103	#define SHT_STRTAB 3 /* String table */
104	#define SHT_RELA 4 /* Relocation entries with addends */
105	#define SHT_HASH 5 /* Symbol hash table */
106	#define SHT_DYNAMIC 6 /* Dynamic linking information. Contains Elf32_Dyn/Elf64_Dyn entries. */
107	#define SHT_NOTE 7 /* Notes */
108	#define SHT_NOBITS 8 /* Program space with no data (bss) */
109	#define SHT_REL 9 /* Relocation entries, no addends */
110	#define SHT_SHLIB 10 /* Reserved */
111	#define SHT_DYNSYM 11 /* Dynamic linker symbol table */
112	#define SHT_INIT_ARRAY 14 /* Array of constructors */
113	#define SHT_FINI_ARRAY 15 /* Array of destructors */
114	#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
115	#define SHT_GROUP 17 /* Section group */
116	#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
117	#define SHT_NUM 19 /* Number of defined types. */
118	#define SHT_LOOS 0x60000000 /* Start OS-specific. */
119	#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */
120	#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */
121	#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */
122	#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */
123	#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */
124	#define SHT_SUNW_move 0x6ffffffa
125	#define SHT_SUNW_COMDAT 0x6ffffffb
126	#define SHT_SUNW_syminfo 0x6ffffffc
127	#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
128	#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
129	#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
130	#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
131	#define SHT_HIOS 0x6fffffff /* End OS-specific type */
132	#define SHT_LOPROC 0x70000000 /* Start of processor-specific */
133	#define SHT_HIPROC 0x7fffffff /* End of processor-specific */
134	#define SHT_LOUSER 0x80000000 /* Start of application-specific */
135	#define SHT_HIUSER 0x8fffffff /* End of application-specific */
136
137	/* Dynamic section entry. */
138	typedef struct {
139	Elf32_Sword d_tag; /* Dynamic entry type */
140	union { Elf32_Word d_val; Elf32_Addr d_ptr; } d_un; /* Integer or address value */
141	} Elf32_Dyn;
142	typedef struct {
143	Elf64_Sxword d_tag; /* Dynamic entry type */
144	union { Elf64_Xword d_val; Elf64_Addr d_ptr; } d_un; /* Integer or address value */
145	} Elf64_Dyn;
146
147	/* Legal values for d_tag (dynamic entry type). */
148	#define DT_NULL 0 /* Marks end of dynamic section */
149	#define DT_NEEDED 1 /* Name of needed library */
150	#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */
151	#define DT_PLTGOT 3 /* Processor defined value */
152	#define DT_HASH 4 /* Address of symbol hash table */
153	#define DT_STRTAB 5 /* Address of string table */
154	#define DT_SYMTAB 6 /* Address of symbol table */
155	#define DT_RELA 7 /* Address of Rela relocs */
156	#define DT_RELASZ 8 /* Total size of Rela relocs */
157	#define DT_RELAENT 9 /* Size of one Rela reloc */
158	#define DT_STRSZ 10 /* Size of string table */
159	#define DT_SYMENT 11 /* Size of one symbol table entry */
160	#define DT_INIT 12 /* Address of init function */
161	#define DT_FINI 13 /* Address of termination function */
162	#define DT_SONAME 14 /* Name of shared object */
163	#define DT_RPATH 15 /* Library search path (deprecated) */
164	#define DT_SYMBOLIC 16 /* Start symbol search here */
165	#define DT_REL 17 /* Address of Rel relocs */
166	#define DT_RELSZ 18 /* Total size of Rel relocs */
167	#define DT_RELENT 19 /* Size of one Rel reloc */
168	#define DT_PLTREL 20 /* Type of reloc in PLT */
169	#define DT_DEBUG 21 /* For debugging; unspecified */
170	#define DT_TEXTREL 22 /* Reloc might modify .text */
171	#define DT_JMPREL 23 /* Address of PLT relocs */
172	#define DT_BIND_NOW 24 /* Process relocations of object */
173	#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
174	#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
175	#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
176	#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
177	#define DT_RUNPATH 29 /* Library search path */
178	#define DT_FLAGS 30 /* Flags for the object being loaded */
179	#define DT_ENCODING 32 /* Start of encoded range */
180	#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
181	#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
182	#define DT_NUM 34 /* Number used */
183	#define DT_LOOS 0x6000000d /* Start of OS-specific */
184	#define DT_HIOS 0x6ffff000 /* End of OS-specific */
131bb401 FF	185	#define DT_VERDEF 0x6ffffffc
131bb401 FF	186	#define DT_VERDEFNUM 0x6ffffffd
59f0d218 FF	187	#define DT_LOPROC 0x70000000 /* Start of processor-specific */
	188	#define DT_HIPROC 0x7fffffff /* End of processor-specific */
	189
	190
	191	/* Symbol table entry. */
	192	typedef struct {
	193	Elf32_Word st_name; /* Symbol name (string tbl index) */
	194	Elf32_Addr st_value; /* Symbol value */
	195	Elf32_Word st_size; /* Symbol size */
	196	unsigned char st_info; /* Symbol type and binding */
	197	unsigned char st_other; /* Symbol visibility */
	198	Elf32_Section st_shndx; /* Section index */
	199	} Elf32_Sym;
	200
	201	typedef struct {
	202	Elf64_Word st_name; /* Symbol name (string tbl index) */
	203	unsigned char st_info; /* Symbol type and binding */
	204	unsigned char st_other; /* Symbol visibility */
	205	Elf64_Section st_shndx; /* Section index */
	206	Elf64_Addr st_value; /* Symbol value */
	207	Elf64_Xword st_size; /* Symbol size */
	208	} Elf64_Sym;
	209
	210
	211	#endif