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### Copyright (C) 2016 Jeremiah Orians
### Copyright (C) 2017 Jan Nieuwenhuizen <janneke@gnu.org>
### This file is part of stage0.
###
### stage0 is free software: you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation, either version 3 of the License, or
### (at your option) any later version.
###
### stage0 is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with stage0. If not, see <http://www.gnu.org/licenses/>.
### stage0's hex2 format
### !<label> 1 byte relative
### $<label> 2 byte address
### @<label> 2 byte relative
### &<label> 4 byte address
### %<label> 4 byte relative
### elf32.hex2: 32 bit elf header in hex2
### if you wish to use this header, you need to add :ELF_end to the end of your
### M1 or hex2 files.
## ELF Header
:ELF_base
7F 45 4C 46 # e_ident[EI_MAG0-3] ELF's magic number
01 # e_ident[EI_CLASS] Indicating 32 bit
01 # e_ident[EI_DATA] Indicating little endianness
01 # e_ident[EI_VERSION] Indicating original elf
03 # e_ident[EI_OSABI] Set at 3 because FreeBSD is strict
00 # e_ident[EI_ABIVERSION] See above
00 00 00 00 00 00 00 # e_ident[EI_PAD]
02 00 # e_type Indicating Executable
03 00 # e_machine Indicating x86
01 00 00 00 # e_version Indicating original elf
&_start # e_entry Address of the entry point
%ELF_program_headers>ELF_base # e_phoff Address of program header table
00 00 00 00 # e_shoff Address of section header table
00 00 00 00 # e_flags
34 00 # e_ehsize Indicating our 52 Byte header
20 00 # e_phentsize size of a program header table
01 00 # e_phnum number of entries in program table
00 00 # e_shentsize size of a section header table
00 00 # e_shnum number of entries in section table
00 00 # e_shstrndx index of the section names
## Program Header
:ELF_program_headers
:ELF_program_header__text
01 00 00 00 # ph_type: PT-LOAD = 1
00 00 00 00 # ph_offset
&ELF_base # ph_vaddr
&ELF_base # ph_physaddr
%ELF_end>ELF_base # ph_filesz
%ELF_end>ELF_base # ph_memsz
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
01 00 00 00 # ph_align
:ELF_text
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