elfparse.nim

import binarylang
import binarylang/plugins

struct(*e_ident, endian = l):
  s: _ = "\x7fELF"
  u8: *class
  u8: *data
  u8: *version
  u8: *os_abi
  u8: *abi_version
  u8: _[7]

struct(*elf_header, endian = l):
  *e_ident: *ident
  u16: *typ
  u16: *machine
  u32: *version
  u64: *entry_point
  u64: *ph_offset
  u64: *sh_offset
  u32: *flags
  u16: *eh_size
  u16: *ph_entry_size
  u16: *ph_count
  u16: *sh_entry_size
  u16: *sh_count
  u16: *sh_strtab_idx

struct(*program_header, endian = l):
  u32: *typ
  u32: *flags
  u64: *offset
  u64: *v_addr
  u64: *p_addr
  u64: *file_size
  u64: *memory_size
  u64: *align

struct(*section_header, endian = l):
  u32: *name_offset
  u32: *typ
  u64: *flags
  u64: *v_addr
  u64: *offset
  u64: *size
  u32: *link
  u32: *info
  u64: *align
  u64: *entry_size

struct(*elf, endian = l):
  *elf_header: *eh
  *program_header {pos(eh.ph_offset.int)}: *ph_table[eh.ph_count]
  *section_header {pos(eh.sh_offset.int)}: *sh_table[eh.sh_count]
  u8 {pos(sh_table[eh.sh_strtab_idx].offset.int)}:
    *str_table[sh_table[eh.sh_strtab_idx].size]