76 lines
2.6 KiB
Plaintext
76 lines
2.6 KiB
Plaintext
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### Copyright (C) 2016 Jeremiah Orians
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### Copyright (C) 2017 Jan 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.hex2: 32 bit elf header in hex2
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## ELF Header
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7F 45 4C 46 # e_ident[EI_MAG0-3] ELF's magic number
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01 # e_ident[EI_CLASS] Indicating 32 bit
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01 # e_ident[EI_DATA] Indicating little endianness
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01 # e_ident[EI_VERSION] Indicating original elf
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00 # e_ident[EI_OSABI] Set at 0 because none cares
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00 # e_ident[EI_ABIVERSION] See above
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00 00 00 00 00 00 00 # e_ident[EI_PAD]
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02 00 # e_type Indicating Executable
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03 00 # e_machine Indicating AMD64
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01 00 00 00 # e_version Indicating original elf
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54 80 04 08 # e_entry Address of the entry point
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34 00 00 00 # e_phoff Address of program header table
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00 00 00 00 # e_shoff Address of section header table
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00 00 00 00 # e_flags
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34 00 # e_ehsize Indicating our 52 Byte header
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20 00 # e_phentsize size of a program header table
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01 00 # e_phnum number of entries in program table
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00 00 # e_shentsize size of a section header table
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00 00 # e_shnum number of entries in section table
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00 00 # e_shstrndx index of the section names
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## Program Header
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01 00 00 00 # p_type
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00 00 00 00 # p_offset
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00 80 04 08 # p_vaddr
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00 80 04 08 # p_physaddr
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## FIXME!
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##60 00 00 00 # p_filesz
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##60 00 00 00 # p_memsz
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#65 01 00 00 # p_filesz
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#65 01 00 00 # p_memsz
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00 20 00 00 # p_filesz
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00 20 00 00 # p_memsz
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07 00 00 00 # p_flags
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01 00 00 00 # alignment
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## _start
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# exit (42) -- works!
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#bb 2a 00 00 00 # mov $42,%ebx
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#b8 01 00 00 00 # mov $0x1,%eax
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#cd 80 # int $0x80
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