87 lines
3.1 KiB
Scheme
87 lines
3.1 KiB
Scheme
;;; -*-scheme-*-
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;;; Copyright (C) 2016 Jeremiah Orians
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;;; Copyright (C) 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;; This file is part of stage0.
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;;;
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;;; stage0 is free software: you an redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation, either version 3 of the License, or
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;;; (at your option) any later version.
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;;;
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;;; stage0 is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with stage0. If not, see <http://www.gnu.org/licenses/>.
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;;; elf32.hex3: 32 bit elf header in hex3
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;; ELF Header
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("*elf-header*"
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#X7F #x45 #X4C #x46 ; e_ident[EI_MAG0-3] ELF's magic number
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#x01 ; e_ident[EI_CLASS] Indicating 32 bit
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#x01 ; e_ident[EI_DATA] Indicating little endianness
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#x01 ; e_ident[EI_VERSION] Indicating original elf
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#x00 ; e_ident[EI_OSABI] Set at 0 because none cares
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#x00 ; e_ident[EI_ABIVERSION] See above
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#x00 #x00 #x00 #x00 #x00 #x00 #x00 ; e_ident[EI_PAD]
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#x02 #x00 ; e_type Indicating Executable
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#x03 #x00 ; e_machine Indicating AMD64
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#x01 #x00 #x00 #x00 ; e_version Indicating original elf
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#x54 #x80 #x04 #x08 ; e_entry Address of the entry point
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#x34 #x00 #x00 #x00 ; e_phoff Address of program header table
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#x00 #x00 #x00 #x00 ; e_shoff Address of section header table
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#x00 #x00 #x00 #x00 ; e_flags
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#x34 #x00 ; e_ehsize Indicating our 52 Byte header
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#x20 #x00 ; e_phentsize size of a program header table
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#x01 #x00 ; e_phnum number of entries in program table
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#x00 #x00 ; e_shentsize size of a section header table
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#x00 #x00 ; e_shnum number of entries in section table
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#x00 #x00 ; e_shstrndx index of the section names
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;; Program Header
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#x01 #x00 #x00 #x00 ; p_type
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#x00 #x00 #x00 #x00 ; p_offset
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#x00 #x80 #x04 #x08 ; p_vaddr
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#x00 #x80 #x04 #x08 ; p_physaddr
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;; FIXME!
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;;#x60 #x00 #x00 #x00 ; p_filesz
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;;#x60 #x00 #x00 #x00 ; p_memsz
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;#x65 #x01 #x00 #x00 ; p_filesz
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;#x65 #x01 #x00 #x00 ; p_memsz
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#xff #xff #x00 #x00 ; p_filesz
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#xff #xff #x00 #x00 ; p_memsz
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#x07 #x00 #x00 #x00 ; p_flags
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#x01 #x00 #x00 #x00 ; alignment
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;; _start
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; exit (42) -- works!
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;#xbb #x2a #x00 #x00 #x00 ; mov $42,%ebx
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;#xb8 #x01 #x00 #x00 #x00 ; mov $0x1,%eax
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;#xcd #x80 ; int $0x80
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)
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("shstr" 0
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#\. #\t #\e #\x #\t 0
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#\. #\d #\a #\t #\a 0
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#\. #\c #\o #\m #\m #\e #\n #\t 0
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#\. #\s #\h #\s #\t #\r #\t #\a #\b 0
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#\. #\s #\y #\m #\t #\a #\b 0
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#\. #\s #\t #\r #\t #\a #\b 0)
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