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mes/stage0/elf32-header-exit-42.hex2
Jan Nieuwenhuizen f63d278cec stage0: Move stage0's section-headers before text. 
* stage0/elf32-header-exit-42.hex2: Add section-headers.
* stage0/elf32-body-exit-42.hex2: Update.
* stage0/elf32-footer-exit-42.hex2: Remove section-headers.
2017-06-19 09:52:27 +02:00

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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 an 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 for x86
### !<label> 1 byte relative
### $<label> 2 byte address
### @<label> 2 byte relative
### &<label> 4 byte address
### %<label> 4 byte relative
### local_<label> function-local
### string_<index> string #<index>
### elf32-header-exit-42.hex2: 32 bit elf header in hex2 for `exit 42'
:ELF_base
## ELF Header
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
00 # e_ident[EI_OSABI] Set at 0 because none cares
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 AMD64
01 00 00 00 # e_version Indicating original elf
&ELF_text # e_entry Address of the entry point
#&ELF_program_headers - &ELF_base # e_phoff Address of program header table
40 00 00 00 # e_phoff Address of program header table
#&ELF_section_headers - &ELF_base # e_phoff Address of program header table
d0 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
02 00 # e_phnum number of entries in program table
28 00 # e_shentsize size of a section header table
07 00 # e_shnum number of entries in section table
04 00 # e_shstrndx index of the section names
# @34
00 00 00 00
00 00 00 00
00 00 00 00
# @40
: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
00 03 00 00 # ph_filesz
00 03 00 00 # ph_memsz
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
01 00 00 00 # ph_align
# @60
:ELF_program_header__data
01 00 00 00 # ph_type: PT-LOAD = 1
00 00 00 00 # ph_offset
&ELF_base # ph_vaddr
&ELF_base # ph_physaddr
ff ff 00 00 # ph_filesz
ff ff 00 00 # ph_memsz
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
01 00 00 00 # ph_align
# @80
:ELF_comment
4d 45 53 00 # MES
00 00 00 00
00 00 00 00 # align
00 00 00 00 # align
4d 45 53 00 # MES
00 00 00 00
00 00 00 00 # align
00 00 00 00 # align
# @a0
:ELF_shstr
00
:ELF_shstr__text
2e 74 65 78 74 00 # .text
:ELF_shstr__data
2e 64 61 74 61 00 # .data
:ELF_shstr__comment
2e 63 6f 6d 6d 65 6e 74 00 # .comment
:ELF_shstr__shstrtab
2e 73 68 73 74 72 74 61 62 00 # .shstrtab
:ELF_shstr__symtab
2e 73 79 6d 74 61 62 00 # .symtab
:ELF_shstr__strtab
2e 73 74 72 74 61 62 00 # .strtab
# @d0
:ELF_sections_headers
00 00 00 00 # sh_name
00 00 00 00 # sh_type
00 00 00 00 # sh_flags
00 00 00 00 # sh_addr
00 00 00 00 # sh_offset
00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
## FIXME: M0 for calculations?
:ELF_section_header_text
#@ELF_shstr__text - @ELF_shstr # sh_name
01 00 00 00 # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1
06 00 00 00 # sh_flags = SHF-ALLOC|SHF-EXEC =2 | 4 = 6
#&ELF_base # sh_addr
&ELF_text # sh_addr
#@ELF_text - @ELF_base # sh_addr
00 02 00 00 # sh_offset
#@ELF_data - @ELF_text # sh_length
20 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
:ELF_section_header_data
#@ELF_shstr__data - @ELF_shstr # sh_name
07 00 00 00 # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1
03 00 00 00 # sh_flags = SHF-WRITE|SHF-ALLOC = 1 | 2 = 3
#&ELF_base # sh_addr
&ELF_data # sh_addr
#@ELF_data - @ELF_base # sh_addr
20 02 00 00 # sh_offset
#@ELF_comment - @ELF_data # sh_length
10 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
:ELF_section_header_comment
#@ELF_shstr__comment - @ELF_shstr # sh_name
0d 00 00 00 # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1
00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_comment # sh_addr
80 00 00 00 # sh_offset
00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
:ELF_section_header_shstr
#@ELF_shstr__shstr - @ELF_shstr # sh_name
16 00 00 00 # sh_name
03 00 00 00 # sh_type: str-sht-strtab
00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_shstr # sh_addr
a0 00 00 00 # sh_offset
30 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
:ELF_section_header_sym
#@ELF_shstr__sym - @ELF_shstr # sh_name
20 00 00 00 # sh_name
02 00 00 00 # sh_type: str-sht-symtab
00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_sym # sh_addr
40 02 00 00 # sh_offset
30 00 00 00 # sh_length
06 00 00 00 # sh_link:6
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
10 00 00 00 # sh_entsize
:ELF_section_header_str
#@ELF_shstr__str - @ELF_shstr # sh_name
28 00 00 00 # sh_name
03 00 00 00 # sh_type: str-sht-strtab
00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_str # sh_addr
30 02 00 00 # sh_offset
10 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
# @1e8
00 00 00 00 # align
00 00 00 00
# @1f0
00 00 00 00 # align
00 00 00 00
00 00 00 00
00 00 00 00
# @200
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