70 lines
1.7 KiB
Plaintext
70 lines
1.7 KiB
Plaintext
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### GNU Mes --- Maxwell Equations of Software
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### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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###
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### This file is part of GNU Mes.
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###
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### GNU Mes is free software; you can redistribute it and/or modify it
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### 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 (at
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### your option) any later version.
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###
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### GNU Mes is distributed in the hope that it will be useful, but
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### 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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### Commentary:
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# elf64-body-exit-42.hex2: `exit 42' for x86_64-linux written in hex2
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# assembly, for usage with generic elf64-header.hex2 and
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# elf64-footer-single-main.hex.
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# This ELF binary contains a symbol table, which means that objdump and
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# gdb can be used to inspect and debug.
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### Code:
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# @300
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:ELF_text
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:_start
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^~main 14 # b main
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00 00 00 00
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00 00 00 00
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00 00 00 00
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# @310
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:main
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# print <hello>
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08 08 80 d2 # mov x8, #64
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20 00 80 d2 # mov x0, #1
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41 00 00 18 # ldr w1, .+8
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02 00 00 14 # b .+8
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&hello # .word hello
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42 00 00 18 # ldr w2, .+8
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02 00 00 14 # b .+8
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%end>hello # .word end-hello
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01 00 00 d4 # svc #0
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# exit 0
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a8 0b 80 d2 # mov x8, #93
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e0 03 1f aa # mov x0, xzr
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01 00 00 d4 # svc #0
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7f 20 03 d5 # wfi
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00 00 00 00 00 00 00 00 # align to @350
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00 00 00 00
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# @350
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:ELF_data
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:hello
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48 65 6c 6c 6f 2c 20 47 # Hello, G
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4e 55 20 4d 65 73 21 0a # NU Mes!\n
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:end
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:ELF_end
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