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101 lines
2.1 KiB
C

/**
* @file elf.h
* @brief Defines ELF binary format info.
*
* Free to use, written by Clyne Sullivan.
*/
#ifndef STMDSP_ELF_HPP
#define STMDSP_ELF_HPP
#include <cstdint>
#define EI_NIDENT 16
#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_RESERVED 0x70000000
#define ELF32_ST_BIND(i) ((i) >> 4)
#define ELF32_ST_TYPE(i) ((i) & 0xF)
#define ELF32_ST_INFO(b, t) (((b) << 4) + ((t) & 0xF))
#define ELF32_R_SYM(i) ((i) >> 8)
#define ELF32_R_TYPE(i) ((i) & 0xFF)
#define ELF32_R_INFO(s, t) (((s) << 8) + ((t) & 0xFF))
typedef uint32_t Elf32_Addr;
typedef uint16_t Elf32_Half;
typedef uint32_t Elf32_Off;
typedef uint32_t Elf32_Sword;
typedef uint32_t Elf32_Word;
typedef struct {
unsigned char e_ident[EI_NIDENT];
Elf32_Half e_type;
Elf32_Half e_machine;
Elf32_Word e_version;
Elf32_Addr e_entry;
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;
} __attribute__((packed)) Elf32_Ehdr;
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;
} __attribute__((packed)) Elf32_Shdr;
typedef struct {
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info;
unsigned char st_other;
Elf32_Half st_shndx;
} __attribute__((packed)) Elf32_Sym;
typedef struct {
Elf32_Addr r_offset;
Elf32_Word r_info;
} __attribute__((packed)) Elf32_Rel;
typedef struct {
Elf32_Addr r_offset;
Elf32_Word r_info;
Elf32_Sword r_addend;
} __attribute__((packed)) Elf32_Rela;
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;
} __attribute__((packed)) Elf32_Phdr;
#endif // STMDSP_ELF_HPP