1 ### Copyright (C) 2017 Jan Nieuwenhuizen <janneke@gnu.org>
2 ### This file is part of stage0.
4 ### stage0 is free software: you an redistribute it and/or modify
5 ### it under the terms of the GNU General Public License as published by
6 ### the Free Software Foundation, either version 3 of the License, or
7 ### (at your option) any later version.
9 ### stage0 is distributed in the hope that it will be useful,
10 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ### GNU General Public License for more details.
14 ### You should have received a copy of the GNU General Public License
15 ### along with stage0. If not, see <http://www.gnu.org/licenses/>.
17 ### stage0's hex2 format for x86
18 ### !<label> 1 byte relative
19 ### $<label> 2 byte address
20 ### @<label> 2 byte relative
21 ### &<label> 4 byte address
22 ### %<label> 4 byte relative
23 ### local_<label> function-local
24 ### string_<index> string #<index>
26 ### elf32-body-exit-42.hex2: 32 bit elf body in hex2 for `exit 42'
32 e8 %main # call +11 <main>
39 bb 2a 00 00 00 # mov $42,%ebx
40 b8 01 00 00 00 # mov $0x1,%eax
47 65 78 69 74 34 32 20 64 61 74 61 20 68 65 72 65 # exit42 data here"
54 5f 73 74 61 72 74 00 # _start
63 00 00 00 00 # st-offset: &_start - BaseAddress
64 00 00 00 00 # st-len : &main - _start
65 00 # st-info = stt-func= 2
70 %ELF_str__start>ELF_str # st-name
72 10 00 00 00 # st-len : &main - _start
73 02 # st-info = stt-func= 2
78 %ELF_str__main>ELF_str # st-name
80 10 00 00 00 # st-len : &ELF_data - main
81 02 # st-info = stt-func= 2