Get body-exit-42 working
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c6d6ba92d4
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GPG key ID:
ADFFE553DCBB831E
49
lib/linux/aarch64-mes/elf64-body-exit-42.hex2
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49
lib/linux/aarch64-mes/elf64-body-exit-42.hex2
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@ -0,0 +1,49 @@
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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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a8 0b 80 d2 # mov x8, #93
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40 05 80 d2 # mov x0, #42
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01 00 00 d4 # svc #0
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7f 20 03 d5 # wfi
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# @320
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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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62
lib/linux/aarch64-mes/elf64-footer-single-main.hex2
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62
lib/linux/aarch64-mes/elf64-footer-single-main.hex2
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@ -0,0 +1,62 @@
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### 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 can 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_64
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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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# @230
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:ELF_str
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00 # 0
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:ELF_str__start
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5f 73 74 61 72 74 00 # _start
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:ELF_str__main
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6d 61 69 6e 00 # main
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00 00 00
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# @370
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:ELF_sym
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00 00 00 00 # st-name
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00 # st-info = stt-func= 2
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00 # st-other
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01 00 # st-shndx: 1
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00 00 00 00 00 00 00 00 # st-offset: &_start - BaseAddress
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00 00 00 00 00 00 00 00 # st-len : &main - _start
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# _start
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%ELF_str__start>ELF_str # st-name
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02 # st-info = stt-func= 2
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00 # st-other
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01 00 # st-shndx: 1
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&_start 00 00 00 00
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10 00 00 00 00 00 00 00 # st-len : &main - _start
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# main
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%ELF_str__main>ELF_str # st-name
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02 # st-info = stt-func= 2
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00 # st-other
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01 00 # st-shndx: 1
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&main 00 00 00 00
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10 00 00 00 00 00 00 00 # st-len : &ELF_data - main
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:ELF_end
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240
lib/linux/aarch64-mes/elf64-header.hex2
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240
lib/linux/aarch64-mes/elf64-header.hex2
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@ -0,0 +1,240 @@
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### Copyright (C) 2016 Jeremiah Orians
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### Copyright (C) 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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# elf64-header.hex2: 64 bit elf header in hex2, with text segment, data
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# segment and symbol tables.
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# stage0's hex2 format for x86_64
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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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### Code:
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:ELF_base
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7F 45 4c 46 # e_ident[EI_MAG0-3] ELF's magic number
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02 # e_ident[EI_CLASS] Indicating 64 bit
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01 # e_ident[EI_DATA] Indicating little endianness
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01 # e_ident[EI_VERSION] Indicating original elf
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00 # e_ident[EI_OSABI] Set at 0 because none cares
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00 # e_ident[EI_ABIVERSION] See above
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00 00 00 00 00 00 00 # e_ident[EI_PAD]
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# 0x10
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02 00 # e_type Indicating Executable
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b7 00 # e_machine Indicating AArch64
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01 00 00 00 # e_version Indicating original elf
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# 0x18
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&ELF_text 00 00 00 00 # e_entry Address of the entry point
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%ELF_program_headers>ELF_base # e_phoff Address of program header table
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00 00 00 00
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%ELF_section_headers>ELF_base # e_shoff Address of section header table
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00 00 00 00
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00 00 00 00 # e_flags
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40 00 # e_ehsize Indicating our 64 Byte header
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38 00 # e_phentsize size of a program header table
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01 00 # e_phnum number of entries in program table
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40 00 # e_shentsize size of a section header table
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07 00 # e_shnum number of entries in section table
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04 00 # e_shstrndx index of the section names
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# @40
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:ELF_program_headers
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:ELF_program_header__text
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01 00 00 00 # ph_type: PT-LOAD = 1
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07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
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00 00 00 00 00 00 00 00 # p_offset
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&ELF_base 00 00 00 00 # ph_vaddr
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&ELF_base 00 00 00 00 # ph_physaddr
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%ELF_end>ELF_base 00 00 00 00 # ph_filesz
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%ELF_end>ELF_base 00 00 00 00 # ph_memsz
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01 00 00 00 00 00 00 00 # ph_align
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# @60
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#:ELF_program_header__data # NOT USED
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# FIXME: linux 4.17 does not allow this overlap
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# Uhuuh, elf segment at 0000000001000000
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# requested but the memory is mapped already
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01 00 00 00 # ph_type: PT-LOAD = 1
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07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
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00 00 00 00 00 00 00 00 # ph_offset
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&ELF_base 00 00 00 00 # ph_vaddr
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&ELF_base 00 00 00 00 # ph_physaddr
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%ELF_end>ELF_base 00 00 00 00 # ph_filesz
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%ELF_end>ELF_base 00 00 00 00 # ph_memsz
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01 00 00 00 00 00 00 00 # ph_align
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# @b0
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:ELF_comment
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4d 45 53 00 # MES
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00 00 00 00 # align
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00 00 00 00
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00 00 00 00
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# @c0
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4d 45 53 00 # MES
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00 00 00 00 # align
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00 00 00 00
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00 00 00 00
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# @d0
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:ELF_shstr
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00
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:ELF_shstr__text
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2e 74 65 78 74 00 # .text
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:ELF_shstr__data
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2e 64 61 74 61 00 # .data
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:ELF_shstr__comment
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2e 63 6f 6d 6d 65 6e 74 00 # .comment
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:ELF_shstr__shstr
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2e 73 68 73 74 72 74 61 62 00 # .shstrtab
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:ELF_shstr__sym
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2e 73 79 6d 74 61 62 00 # .symtab
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:ELF_shstr__str
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2e 73 74 72 74 61 62 00 # .strtab
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# @100
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:ELF_section_headers
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00 00 00 00 # sh_name
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00 00 00 00 # sh_type
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00 00 00 00 00 00 00 00 # sh_flags
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00 00 00 00 00 00 00 00 # sh_addr
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00 00 00 00 00 00 00 00 # sh_offset
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00 00 00 00 00 00 00 00 # sh_length
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00 00 00 00 # sh_link
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00 00 00 00 # sh_info
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00 00 00 00 00 00 00 00 # sh_1?
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00 00 00 00 00 00 00 00 # sh_entsize
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## FIXME: M0 for calculations?
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:ELF_section_header_text
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%ELF_shstr__text>ELF_shstr # sh_name
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01 00 00 00 # sh_type = SHT_PROGBITS = 1
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06 00 00 00 00 00 00 00 # sh_flags = SHF-ALLOC|SHF-EXEC =2 | 4 = 6
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&ELF_text 00 00 00 00 # sh_addr
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%ELF_text>ELF_base 00 00 00 00 # sh_offset
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%ELF_data>ELF_text 00 00 00 00 # sh_length
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00 00 00 00 # sh_link
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00 00 00 00 # sh_info
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01 00 00 00 00 00 00 00 # sh_1?
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00 00 00 00 00 00 00 00 # sh_entsize
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:ELF_section_header_data
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%ELF_shstr__data>ELF_shstr # sh_name
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01 00 00 00 # sh_type = SHT_PROGBITS = 1
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03 00 00 00 00 00 00 00 # sh_flags = SHF-WRITE|SHF-ALLOC = 1 | 2 = 3
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&ELF_data 00 00 00 00 # sh_addr
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%ELF_data>ELF_base 00 00 00 00 # sh_offset
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%ELF_sym>ELF_data 00 00 00 00 # sh_length
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00 00 00 00 # sh_link
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00 00 00 00 # sh_info
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01 00 00 00 00 00 00 00 # sh_1?
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00 00 00 00 00 00 00 00 # sh_entsize
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:ELF_section_header_comment
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%ELF_shstr__comment>ELF_shstr # sh_name
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01 00 00 00 # sh_type = SHT_PROGBITS = 1
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00 00 00 00 00 00 00 00 # sh_flags
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&ELF_comment 00 00 00 00 # sh_addr
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%ELF_comment>ELF_base 00 00 00 00 # sh_offset
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%ELF_shstr>ELF_comment 00 00 00 00 # sh_length
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00 00 00 00 # sh_link
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00 00 00 00 # sh_info
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01 00 00 00 00 00 00 00 # sh_1?
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00 00 00 00 00 00 00 00 # sh_entsize
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:ELF_section_header_shstr
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%ELF_shstr__shstr>ELF_shstr # sh_name
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03 00 00 00 # sh_type: str-sht-strtab
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00 00 00 00 00 00 00 00 # sh_flags
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&ELF_shstr 00 00 00 00 # sh_addr
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%ELF_shstr>ELF_base 00 00 00 00 # sh_offset
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%ELF_section_headers>ELF_shstr 00 00 00 00 # sh_length
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00 00 00 00 # sh_link
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00 00 00 00 # sh_info
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01 00 00 00 00 00 00 00 # sh_1?
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00 00 00 00 00 00 00 00 # sh_entsize
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:ELF_section_header_sym
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%ELF_shstr__sym>ELF_shstr # sh_name
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02 00 00 00 # sh_type: str-sht-symtab
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00 00 00 00 00 00 00 00 # sh_flags
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&ELF_sym 00 00 00 00 # sh_addr
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%ELF_sym>ELF_base 00 00 00 00 # sh_offset
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%ELF_end>ELF_sym 00 00 00 00 # sh_length
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06 00 00 00 # sh_link:6
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00 00 00 00 # sh_info
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01 00 00 00 00 00 00 00 # sh_1?
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18 00 00 00 00 00 00 00 # sh_entsize
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:ELF_section_header_str
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%ELF_shstr__str>ELF_shstr # sh_name
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03 00 00 00 # sh_type: str-sht-strtab
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00 00 00 00 00 00 00 00 # sh_flags
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&ELF_str 00 00 00 00 # sh_addr
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%ELF_str>ELF_base 00 00 00 00 # sh_offset
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%ELF_sym>ELF_str 00 00 00 00 # sh_length
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00 00 00 00 # sh_link
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00 00 00 00 # sh_info
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01 00 00 00 00 00 00 00 # sh_1?
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00 00 00 00 00 00 00 00 # sh_entsize
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# @2c0
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00 00 00 00 # align
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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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# @2d0
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00 00 00 00 # align
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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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# @2e0
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00 00 00 00 # align
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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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# @2f0
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00 00 00 00 # align
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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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# @300
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:ELF_text
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