fbe0b2eef8
* lib/x86-mes-gcc/exit-42.S: New file. * lib/x86-mes-gcc/hello-mes.S: New file. * lib/x86-mes/elf32-0exit-42.hex2: New file. * lib/x86-mes/elf32-0hello-mes.hex2: New file. * lib/x86-mes/elf32-body-hello-mes.hex2: New file. * lib/x86-mes/elf32-body-exit-42.hex2: Rewrite. * lib/x86-mes/elf32-header.hex2: Fix copyright header. * lib/x86-mes/elf32-0header.hex2: Likewise. * lib/x86-mes/elf-0footer.hex2: Remove. * build-aux/build-scaffold.sh: Build them. * .dir-locals.el (asm-mode): Allow TABs. * .gitignore: Reserve .S assembly sources, i.e. manual written assembly. Update build system. * module/mescc/mescc.scm: Update. * build-aux/build-lib.sh: Update. * scripts/ar.in: Update.
51 lines
1.5 KiB
Plaintext
51 lines
1.5 KiB
Plaintext
### GNU Mes --- Maxwell Equations of Software
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### Copyright © 2017,2019 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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# elf32-body-exit-42.hex2: `exit 42' for i686-linux written in hex2
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# assembly, for usage with generic elf32-header.hex2 and
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# elf32-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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# @200
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:ELF_text
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:_start
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e8 %main # call +11 <main>
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00 00 00
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00 00 00 00
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00 00 00 00
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# @210
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:main
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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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f4 # hlt
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00 00 00 # align
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# @220
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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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