porting: Add x86_64 scaffold: exit and write in assembly.
* lib/x86_64-mes-gcc/exit-42.S: New file. * lib/x86_64-mes-gcc/hello-mes.S: New file. * lib/x86_64-mes/elf64-0exit-42.hex2: New file. * lib/x86_64-mes/elf64-0hello-mes.hex2: New file. * lib/x86_64-mes/elf64-body-exit-42.hex2: Rewrite.. * lib/x86_64-mes/elf64-body-hello-mes.hex2: * lib/x86_64-mes/elf64-0header.hex2: Fix copyright header. * lib/x86_64-mes/elf64-header.hex2: Likewise. * lib/x86_64-mes/elf-0footer.hex2: Remove.
This commit is contained in:
Jan Nieuwenhuizen
parent
fbe0b2eef8
commit
9f60920538
46
lib/x86_64-mes-gcc/exit-42.S
Normal file
46
lib/x86_64-mes-gcc/exit-42.S
Normal file
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@ -0,0 +1,46 @@
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/*
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 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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*/
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/** Commentary: */
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/* Using gdb, esp. GUD in GNU Emacs is recommended
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M-x gdb-display-disassembly-buffer
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M-x gdb-display-io-buffer
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set disassemble-next-line on
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break _start
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run
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info registers
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si
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p/x $rax
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RET
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...
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*/
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/** Code: */
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SYS_exit = 0x3c /* Linux syscall: exit. */
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.globl _start /* Magic linker symbol: --entry-address. */
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.text /* Program text. */
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_start:
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movabs $SYS_exit,%rax /* System call function: exit, in %rax. */
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movabs $42,%rdi /* First parameter: exit status, in %rdi. */
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syscall /* Call system. */
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hlt /* Should not be reached. */
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58
lib/x86_64-mes-gcc/hello-mes.S
Normal file
58
lib/x86_64-mes-gcc/hello-mes.S
Normal file
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@ -0,0 +1,58 @@
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/*
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 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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*/
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/** Commentary: */
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/* Using gdb, esp. GUD in GNU Emacs is recommended
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M-x gdb-display-disassembly-buffer
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M-x gdb-display-io-buffer
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set disassemble-next-line on
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break _start
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run
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info registers
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si
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p/x $rax
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RET
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...
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*/
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/** Code: */
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SYS_exit = 0x3c /* Linux syscalls. */
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SYS_write = 0x01
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stdout = 1 /* File discriptor */
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.globl _start /* Magic linker symbol: --entry-address. */
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.text /* Program text. */
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_start:
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movabs $SYS_write,%rax /* System call function: write, in %rax. */
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movabs $stdout,%rdi /* 1st parameter: file descriptor, in %rdi. */
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movabs $hello,%rsi /* 2nd parameter: address, in %rsi. */
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movabs $(bye-hello),%rdx /* 3rd parameter: byte count %rdx. */
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syscall /* Call system. */
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movabs $SYS_exit,%rax /* System call function: exit, in %rax. */
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movabs $0,%rdi /* 1st parameter: exit status, in %rdi. */
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syscall /* Call system. */
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hlt /* Should not be reached. */
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.data
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hello: .ascii "Hello, GNU Mes!\n"
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bye: .byte 0
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@ -1,26 +0,0 @@
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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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:ELF_end
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36
lib/x86_64-mes/elf64-0exit-42.hex2
Normal file
36
lib/x86_64-mes/elf64-0exit-42.hex2
Normal file
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@ -0,0 +1,36 @@
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### 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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# elf64-exit-42.hex2: `exit 42' for x86_64-linux written in hex2
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# assembly, for usage with elf64-0header.hex2. This produces a 160-byte
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# binary (a0 hex). Inspiration was taken from GNU Gcc output of
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# exit-42.S.
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### Code:
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# @80
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:ELF_text
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48 b8 3c 00 00 00 00 00 00 00 # movabs $0x3c,%rax
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48 bf 2a 00 00 00 00 00 00 00 # movabs $42,%rdi
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0f 05 # syscall
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f4 # hlt
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00 00 00 00 00 00 00 00 00 # align to @a0
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:ELF_end
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@ -1,28 +1,36 @@
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### Copyright (C) 2016 Jeremiah Orians
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### Copyright (C) 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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### This file is part of stage0.
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### Copyright (C) 2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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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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### This file is part of GNU Mes.
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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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### 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
|
||||
### along with stage0. If not, see <http://www.gnu.org/licenses/>.
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### along with GNU Mes. 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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### Commentary:
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# elf64-0header.hex2: Simplest 64 bit elf header in hex2. Only a text
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# segment, no data segment, no 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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@ -58,11 +66,6 @@
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00 00 # e_shstrndx index of the section names
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# @34
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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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# @40
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:ELF_program_headers
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:ELF_program_header__text
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@ -75,4 +78,6 @@
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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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00 00 00 00 00 00 00 00 # align to @80
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# @80
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:ELF_text
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52
lib/x86_64-mes/elf64-0hello-mes.hex2
Normal file
52
lib/x86_64-mes/elf64-0hello-mes.hex2
Normal file
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@ -0,0 +1,52 @@
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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
|
||||
### under the terms of the GNU General Public License as published by
|
||||
### the Free Software Foundation; either version 3 of the License, or (at
|
||||
### your option) any later version.
|
||||
###
|
||||
### GNU Mes is distributed in the hope that it will be useful, but
|
||||
### WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
### GNU General Public License for more details.
|
||||
###
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||||
### You should have received a copy of the GNU General Public License
|
||||
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
### Commentary:
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# elf64-hello-mes.hex2: `Hello, GNU Mes!' for x86_64-linux written in
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# hex2 assembly, for usage with elf64-0header.hex2. This produces a
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# 224-byte binary (e0 hex). Inspiration was taken from GNU Gcc output
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# of hello-mes.S.
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### Code:
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# @80
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:ELF_text
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# print <hello>
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48 b8 01 00 00 00 00 00 00 00 # movabs $1,%rax
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48 bf 01 00 00 00 00 00 00 00 # movabs $1,%rdi
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48 be &hello 00 00 00 00 # movabs $<hello>,%rsi
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48 ba %bye>hello 00 00 00 00 # mov $(bye-hello),%rdx
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0f 05 # syscall
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# exit 0
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48 b8 3c 00 00 00 00 00 00 00 # movabs $0x3c,%rax
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48 bf 00 00 00 00 00 00 00 00 # movabs $0,%rdi
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||||
0f 05 # syscall
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||||
f4 # hlt
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||||
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||||
00 00 00 00 00 00 00 00 00 # align to @d0
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||||
00 00 00 00 00 00
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||||
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||||
# @d0
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||||
:ELF_data
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||||
:hello
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||||
48 65 6c 6c 6f 2c 20 47 # Hello, G
|
||||
4e 55 20 4d 65 73 21 0a # NU Mes!\n
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||||
:bye
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||||
:ELF_end
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||||
|
|
@ -1,47 +1,51 @@
|
|||
### Copyright (C) 2017, 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||||
### This file is part of stage0.
|
||||
### GNU Mes --- Maxwell Equations of Software
|
||||
### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||||
###
|
||||
### stage0 is free software: you can redistribute it and/or modify
|
||||
### it under the terms of the GNU General Public License as published by
|
||||
### the Free Software Foundation, either version 3 of the License, or
|
||||
### (at your option) any later version.
|
||||
### This file is part of GNU Mes.
|
||||
###
|
||||
### stage0 is distributed in the hope that it will be useful,
|
||||
### but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
### GNU Mes is free software; you can redistribute it and/or modify it
|
||||
### under the terms of the GNU General Public License as published by
|
||||
### the Free Software Foundation; either version 3 of the License, or (at
|
||||
### your option) any later version.
|
||||
###
|
||||
### GNU Mes is distributed in the hope that it will be useful, but
|
||||
### WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
### GNU General Public License for more details.
|
||||
###
|
||||
### You should have received a copy of the GNU General Public License
|
||||
### along with stage0. If not, see <http://www.gnu.org/licenses/>.
|
||||
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
### stage0's hex2 format for x86_64
|
||||
### !<label> 1 byte relative
|
||||
### $<label> 2 byte address
|
||||
### @<label> 2 byte relative
|
||||
### &<label> 4 byte address
|
||||
### %<label> 4 byte relative
|
||||
### local_<label> function-local
|
||||
### string_<index> string #<index>
|
||||
### Commentary:
|
||||
|
||||
### elf64-body-exit-42.hex2: 64 bit elf body in hex2 for `exit 42'
|
||||
# elf64-body-exit-42.hex2: `exit 42' for x86_64-linux written in hex2
|
||||
# assembly, for usage with generic elf64-header.hex2 and
|
||||
# elf64-footer-single-main.hex.
|
||||
|
||||
# @200
|
||||
# This ELF binary contains a symbol table, which means that objdump and
|
||||
# gdb can be used to inspect and debug.
|
||||
|
||||
### Code:
|
||||
|
||||
# @300
|
||||
:ELF_text
|
||||
:_start
|
||||
# exit(42)
|
||||
e8 %main # callq +11 <main>
|
||||
e8 %main # call +11 <main>
|
||||
00 00 00
|
||||
00 00 00 00
|
||||
00 00 00 00
|
||||
|
||||
# @210
|
||||
# @310
|
||||
:main
|
||||
48 c7 c7 2a 00 00 00 # mov $42,%rdi
|
||||
48 c7 c0 3c 00 00 00 # mov $0x3c,%rax
|
||||
48 b8 3c 00 00 00 00 00 00 00 # movabs $0x3c,%rax
|
||||
48 bf 2a 00 00 00 00 00 00 00 # movabs $42,%rdi
|
||||
0f 05 # syscall
|
||||
f4 # hlt
|
||||
|
||||
00 00 00 00
|
||||
00 00 00 00 00 00 00 00 00 # align to 330
|
||||
|
||||
# @220
|
||||
# @330
|
||||
:ELF_data
|
||||
65 78 69 74 34 32 20 64 61 74 61 20 68 65 72 65 # exit42 data here"
|
||||
00
|
||||
|
|
|
|||
63
lib/x86_64-mes/elf64-body-hello-mes.hex2
Normal file
63
lib/x86_64-mes/elf64-body-hello-mes.hex2
Normal file
|
|
@ -0,0 +1,63 @@
|
|||
### GNU Mes --- Maxwell Equations of Software
|
||||
### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||||
###
|
||||
### This file is part of GNU Mes.
|
||||
###
|
||||
### GNU Mes is free software; you can redistribute it and/or modify it
|
||||
### under the terms of the GNU General Public License as published by
|
||||
### the Free Software Foundation; either version 3 of the License, or (at
|
||||
### your option) any later version.
|
||||
###
|
||||
### GNU Mes is distributed in the hope that it will be useful, but
|
||||
### WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
### GNU General Public License for more details.
|
||||
###
|
||||
### You should have received a copy of the GNU General Public License
|
||||
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
### Commentary:
|
||||
|
||||
# elf64-body-hello-mes.hex2: `Hello, GNU Mes!' for x86_64-linux written
|
||||
# in hex2 assembly, for usage with generic elf64-header.hex2 and
|
||||
# elf64-footer-single-main.hex.
|
||||
|
||||
# This ELF binary contains a symbol table which means that objdump and
|
||||
# gdb can be used to inspect and debug.
|
||||
|
||||
### Code:
|
||||
|
||||
# @300
|
||||
:ELF_text
|
||||
:_start
|
||||
# exit(42)
|
||||
e8 %main # call +11 <main>
|
||||
00 00 00
|
||||
00 00 00 00
|
||||
00 00 00 00
|
||||
|
||||
# @310
|
||||
:main
|
||||
# print <hello>
|
||||
48 b8 01 00 00 00 00 00 00 00 # movabs $1,%rax
|
||||
48 bf 01 00 00 00 00 00 00 00 # movabs $1,%rdi
|
||||
48 be &hello 00 00 00 00 # movabs $<hello>,%rsi
|
||||
48 ba %bye>hello 00 00 00 00 # mov $(bye-hello),%rdx
|
||||
0f 05 # syscall
|
||||
|
||||
# exit 0
|
||||
48 b8 3c 00 00 00 00 00 00 00 # movabs $0x3c,%rax
|
||||
48 bf 00 00 00 00 00 00 00 00 # movabs $0,%rdi
|
||||
0f 05 # syscall
|
||||
f4 # hlt
|
||||
|
||||
00 00 00 00 00 00 00 00 00 # align to @360
|
||||
00 00 00 00 00 00
|
||||
|
||||
# @360
|
||||
:ELF_data
|
||||
:hello
|
||||
48 65 6c 6c 6f 2c 20 47 # Hello, G
|
||||
4e 55 20 4d 65 73 21 0a # NU Mes!\n
|
||||
:bye
|
||||
:ELF_end
|
||||
|
|
@ -1,28 +1,36 @@
|
|||
### Copyright (C) 2016 Jeremiah Orians
|
||||
### Copyright (C) 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||||
### This file is part of stage0.
|
||||
### Copyright (C) 2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||||
###
|
||||
### stage0 is free software: you can redistribute it and/or modify
|
||||
### it under the terms of the GNU General Public License as published by
|
||||
### the Free Software Foundation, either version 3 of the License, or
|
||||
### (at your option) any later version.
|
||||
### This file is part of GNU Mes.
|
||||
###
|
||||
### stage0 is distributed in the hope that it will be useful,
|
||||
### but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
### GNU Mes is free software; you can redistribute it and/or modify it
|
||||
### under the terms of the GNU General Public License as published by
|
||||
### the Free Software Foundation; either version 3 of the License, or (at
|
||||
### your option) any later version.
|
||||
###
|
||||
### GNU Mes is distributed in the hope that it will be useful, but
|
||||
### WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
### GNU General Public License for more details.
|
||||
###
|
||||
### You should have received a copy of the GNU General Public License
|
||||
### along with stage0. If not, see <http://www.gnu.org/licenses/>.
|
||||
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
### stage0's hex2 format for x86_64
|
||||
### !<label> 1 byte relative
|
||||
### $<label> 2 byte address
|
||||
### @<label> 2 byte relative
|
||||
### &<label> 4 byte address
|
||||
### %<label> 4 byte relative
|
||||
### local_<label> function-local
|
||||
### string_<index> string #<index>
|
||||
### Commentary:
|
||||
|
||||
# elf64-header.hex2: 64 bit elf header in hex2, with text segment, data
|
||||
# segment and symbol tables.
|
||||
|
||||
# stage0's hex2 format for x86_64
|
||||
# !<label> 1 byte relative
|
||||
# $<label> 2 byte address
|
||||
# @<label> 2 byte relative
|
||||
# &<label> 4 byte address
|
||||
# %<label> 4 byte relative
|
||||
# local_<label> function-local
|
||||
# string_<index> string #<index>
|
||||
|
||||
### Code:
|
||||
|
||||
:ELF_base
|
||||
7F 45 4c 46 # e_ident[EI_MAG0-3] ELF's magic number
|
||||
|
|
|
|||
Loading…
Reference in a new issue