53 lines
1.7 KiB
Plaintext
53 lines
1.7 KiB
Plaintext
|
### GNU Mes --- Maxwell Equations of Software
|
||
|
### Copyright © 2017,2018,2019 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-hello-mes.hex2: `Hello, GNU Mes!' for x86_64-linux written in
|
||
|
# hex2 assembly, for usage with elf64-0header.hex2. This produces a
|
||
|
# 224-byte binary (e0 hex). Inspiration was taken from GNU Gcc output
|
||
|
# of hello-mes.S.
|
||
|
|
||
|
### Code:
|
||
|
|
||
|
# @80
|
||
|
:ELF_text
|
||
|
# print <hello>
|
||
|
48 b8 01 00 00 00 00 00 00 00 # movabs $1,%rax
|
||
|
48 bf 01 00 00 00 00 00 00 00 # movabs $1,%rdi
|
||
|
48 be &hello 00 00 00 00 # movabs $<hello>,%rsi
|
||
|
48 ba %bye>hello 00 00 00 00 # mov $(bye-hello),%rdx
|
||
|
0f 05 # syscall
|
||
|
|
||
|
# exit 0
|
||
|
48 b8 3c 00 00 00 00 00 00 00 # movabs $0x3c,%rax
|
||
|
48 bf 00 00 00 00 00 00 00 00 # movabs $0,%rdi
|
||
|
0f 05 # syscall
|
||
|
f4 # hlt
|
||
|
|
||
|
00 00 00 00 00 00 00 00 00 # align to @d0
|
||
|
00 00 00 00 00 00
|
||
|
|
||
|
# @d0
|
||
|
:ELF_data
|
||
|
:hello
|
||
|
48 65 6c 6c 6f 2c 20 47 # Hello, G
|
||
|
4e 55 20 4d 65 73 21 0a # NU Mes!\n
|
||
|
:bye
|
||
|
:ELF_end
|