mirror of
https://github.com/danog/ir.git
synced 2024-11-27 04:45:38 +01:00
95 lines
1.7 KiB
C
95 lines
1.7 KiB
C
#ifndef IR_ELF
|
|
#define IR_ELF
|
|
|
|
#if defined(IR_TARGET_X64) || defined(IR_TARGET_AARCH64)
|
|
# define ELF64
|
|
#else
|
|
# undef ELF64
|
|
#endif
|
|
|
|
typedef struct _ir_elf_header {
|
|
uint8_t emagic[4];
|
|
uint8_t eclass;
|
|
uint8_t eendian;
|
|
uint8_t eversion;
|
|
uint8_t eosabi;
|
|
uint8_t eabiversion;
|
|
uint8_t epad[7];
|
|
uint16_t type;
|
|
uint16_t machine;
|
|
uint32_t version;
|
|
uintptr_t entry;
|
|
uintptr_t phofs;
|
|
uintptr_t shofs;
|
|
uint32_t flags;
|
|
uint16_t ehsize;
|
|
uint16_t phentsize;
|
|
uint16_t phnum;
|
|
uint16_t shentsize;
|
|
uint16_t shnum;
|
|
uint16_t shstridx;
|
|
} ir_elf_header;
|
|
|
|
typedef struct ir_elf_sectheader {
|
|
uint32_t name;
|
|
uint32_t type;
|
|
uintptr_t flags;
|
|
uintptr_t addr;
|
|
uintptr_t ofs;
|
|
uintptr_t size;
|
|
uint32_t link;
|
|
uint32_t info;
|
|
uintptr_t align;
|
|
uintptr_t entsize;
|
|
} ir_elf_sectheader;
|
|
|
|
#define ELFSECT_IDX_ABS 0xfff1
|
|
|
|
enum {
|
|
ELFSECT_TYPE_PROGBITS = 1,
|
|
ELFSECT_TYPE_SYMTAB = 2,
|
|
ELFSECT_TYPE_STRTAB = 3,
|
|
ELFSECT_TYPE_NOBITS = 8,
|
|
ELFSECT_TYPE_DYNSYM = 11,
|
|
};
|
|
|
|
#define ELFSECT_FLAGS_WRITE (1 << 0)
|
|
#define ELFSECT_FLAGS_ALLOC (1 << 1)
|
|
#define ELFSECT_FLAGS_EXEC (1 << 2)
|
|
#define ELFSECT_FLAGS_TLS (1 << 10)
|
|
|
|
typedef struct ir_elf_symbol {
|
|
#ifdef ELF64
|
|
uint32_t name;
|
|
uint8_t info;
|
|
uint8_t other;
|
|
uint16_t sectidx;
|
|
uintptr_t value;
|
|
uint64_t size;
|
|
#else
|
|
uint32_t name;
|
|
uintptr_t value;
|
|
uint32_t size;
|
|
uint8_t info;
|
|
uint8_t other;
|
|
uint16_t sectidx;
|
|
#endif
|
|
} ir_elf_symbol;
|
|
|
|
#define ELFSYM_BIND(info) ((info) >> 4)
|
|
#define ELFSYM_TYPE(info) ((info) & 0xf)
|
|
#define ELFSYM_INFO(bind, type) (((bind) << 4) | (type))
|
|
|
|
enum {
|
|
ELFSYM_TYPE_DATA = 2,
|
|
ELFSYM_TYPE_FUNC = 2,
|
|
ELFSYM_TYPE_FILE = 4,
|
|
};
|
|
|
|
enum {
|
|
ELFSYM_BIND_LOCAL = 0,
|
|
ELFSYM_BIND_GLOBAL = 1,
|
|
};
|
|
|
|
#endif
|