54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
### GNU Mes --- Maxwell Equations of Software
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### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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### Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
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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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# exit(42)
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97 02 00 00 # auipc t0,0x0
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83 e2 c2 00 # ld t0,12(t0) # main
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e7 80 02 00 # jalr t0
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&main
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# @310
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:main
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93 08 d0 05 # li a7,93
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13 05 a0 02 # li a0,42
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73 00 00 00 # ecall
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73 00 50 10 # wfi
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00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 # align to 330
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# @330
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:ELF_data
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65 78 69 74 34 32 20 64 61 74 61 20 68 65 72 65 # exit42 data here"
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00
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