mes/lib/x86_64-mes/elf64-0exit-42.hex2
Jan Nieuwenhuizen 9f60920538
porting: Add x86_64 scaffold: exit and write in assembly.
* lib/x86_64-mes-gcc/exit-42.S: New file.
* lib/x86_64-mes-gcc/hello-mes.S: New file.
* lib/x86_64-mes/elf64-0exit-42.hex2: New file.
* lib/x86_64-mes/elf64-0hello-mes.hex2: New file.
* lib/x86_64-mes/elf64-body-exit-42.hex2: Rewrite..
* lib/x86_64-mes/elf64-body-hello-mes.hex2:
* lib/x86_64-mes/elf64-0header.hex2: Fix copyright header.
* lib/x86_64-mes/elf64-header.hex2: Likewise.
* lib/x86_64-mes/elf-0footer.hex2: Remove.
2019-06-23 21:23:34 +02:00

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### GNU Mes --- Maxwell Equations of Software
### Copyright © 2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
###
### This file is part of GNU Mes.
###
### GNU Mes 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.
###
### GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-exit-42.hex2: `exit 42' for x86_64-linux written in hex2
# assembly, for usage with elf64-0header.hex2. This produces a 160-byte
# binary (a0 hex). Inspiration was taken from GNU Gcc output of
# exit-42.S.
### Code:
# @80
:ELF_text
48 b8 3c 00 00 00 00 00 00 00 # movabs $0x3c,%rax
48 bf 2a 00 00 00 00 00 00 00 # movabs $42,%rdi
0f 05 # syscall
f4 # hlt
00 00 00 00 00 00 00 00 00 # align to @a0
:ELF_end