ad135d3752
* HACKING: Update. * INSTALL: Update. * NEWS: Update. * README: Update. * doc/ANNOUNCE-0.12: New file. * throughout: (janneke) coming out.
49 lines
1.5 KiB
Plaintext
49 lines
1.5 KiB
Plaintext
### Copyright (C) 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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### This file is part of stage0.
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###
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### stage0 is free software: you an redistribute it and/or modify
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### it 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
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### (at your option) any later version.
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###
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### stage0 is distributed in the hope that it will be useful,
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### but 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 stage0. If not, see <http://www.gnu.org/licenses/>.
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### stage0's hex2 format for x86
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### !<label> 1 byte relative
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### $<label> 2 byte address
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### @<label> 2 byte relative
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### &<label> 4 byte address
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### %<label> 4 byte relative
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### local_<label> function-local
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### string_<index> string #<index>
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### elf32-body-exit-42.hex2: 32 bit elf body in hex2 for `exit 42'
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# @200
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:ELF_text
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:_start
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# exit(42)
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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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00 00 00 00
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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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