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// See LICENSE for details.
#ifndef _ELF_H
#define _ELF_H
#include <stdint.h>
#define ET_EXEC 2
#define EM_RISCV 243
#define EM_NONE 0
#define EV_CURRENT 1
#define IS_ELF(hdr) \
((hdr).e_ident[0] == 0x7f && (hdr).e_ident[1] == 'E' && \
(hdr).e_ident[2] == 'L' && (hdr).e_ident[3] == 'F')
#define ELF_SWAP(hdr, val) (IS_ELFLE(hdr)? from_le((val)) : from_be((val)))
#define IS_ELF32(hdr) (IS_ELF(hdr) && (hdr).e_ident[4] == 1)
#define IS_ELF64(hdr) (IS_ELF(hdr) && (hdr).e_ident[4] == 2)
#define IS_ELFLE(hdr) (IS_ELF(hdr) && (hdr).e_ident[5] == 1)
#define IS_ELFBE(hdr) (IS_ELF(hdr) && (hdr).e_ident[5] == 2)
#define IS_ELF_EXEC(hdr) (IS_ELF(hdr) && ELF_SWAP((hdr), (hdr).e_type) == ET_EXEC)
#define IS_ELF_RISCV(hdr) (IS_ELF(hdr) && ELF_SWAP((hdr), (hdr).e_machine) == EM_RISCV)
#define IS_ELF_EM_NONE(hdr) (IS_ELF(hdr) && ELF_SWAP((hdr), (hdr).e_machine) == EM_NONE)
#define IS_ELF_VCURRENT(hdr) (IS_ELF(hdr) && ELF_SWAP((hdr), (hdr).e_version) == EV_CURRENT)
#define PT_LOAD 1
#define SHT_NOBITS 8
typedef struct {
uint8_t e_ident[16];
uint16_t e_type;
uint16_t e_machine;
uint32_t e_version;
uint32_t e_entry;
uint32_t e_phoff;
uint32_t e_shoff;
uint32_t e_flags;
uint16_t e_ehsize;
uint16_t e_phentsize;
uint16_t e_phnum;
uint16_t e_shentsize;
uint16_t e_shnum;
uint16_t e_shstrndx;
} Elf32_Ehdr;
typedef struct {
uint32_t sh_name;
uint32_t sh_type;
uint32_t sh_flags;
uint32_t sh_addr;
uint32_t sh_offset;
uint32_t sh_size;
uint32_t sh_link;
uint32_t sh_info;
uint32_t sh_addralign;
uint32_t sh_entsize;
} Elf32_Shdr;
typedef struct
{
uint32_t p_type;
uint32_t p_offset;
uint32_t p_vaddr;
uint32_t p_paddr;
uint32_t p_filesz;
uint32_t p_memsz;
uint32_t p_flags;
uint32_t p_align;
} Elf32_Phdr;
typedef struct
{
uint32_t st_name;
uint32_t st_value;
uint32_t st_size;
uint8_t st_info;
uint8_t st_other;
uint16_t st_shndx;
} Elf32_Sym;
typedef struct {
uint8_t e_ident[16];
uint16_t e_type;
uint16_t e_machine;
uint32_t e_version;
uint64_t e_entry;
uint64_t e_phoff;
uint64_t e_shoff;
uint32_t e_flags;
uint16_t e_ehsize;
uint16_t e_phentsize;
uint16_t e_phnum;
uint16_t e_shentsize;
uint16_t e_shnum;
uint16_t e_shstrndx;
} Elf64_Ehdr;
typedef struct {
uint32_t sh_name;
uint32_t sh_type;
uint64_t sh_flags;
uint64_t sh_addr;
uint64_t sh_offset;
uint64_t sh_size;
uint32_t sh_link;
uint32_t sh_info;
uint64_t sh_addralign;
uint64_t sh_entsize;
} Elf64_Shdr;
typedef struct {
uint32_t p_type;
uint32_t p_flags;
uint64_t p_offset;
uint64_t p_vaddr;
uint64_t p_paddr;
uint64_t p_filesz;
uint64_t p_memsz;
uint64_t p_align;
} Elf64_Phdr;
typedef struct {
uint32_t st_name;
uint8_t st_info;
uint8_t st_other;
uint16_t st_shndx;
uint64_t st_value;
uint64_t st_size;
} Elf64_Sym;
#endif
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