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fork of mes with aarch64 support
1333 commits 1 branch 0 tags 10 MiB
Scheme 52.9%
C 40.3%
Shell 5.1%
Assembly 0.8%
C++ 0.5%
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Jan Nieuwenhuizen 125b43acc8
mescc: Update elf32-header for linux-4.17. 
Previously, our binaries showed this

    $ readelf -s scaffold/main.mes-out
    There are 2 program headers, starting at offset 64

    Program Headers:
      Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
      LOAD           0x000000 0x01000000 0x01000000 0x0557c 0x0557c RWE 0x1
      LOAD           0x000000 0x01000000 0x01000000 0x0557c 0x0557c RWE 0x1

     Section to Segment mapping:
      Segment Sections...
       00     .text .data
       01     .text .data

Linux-4.17 refuses to run this and says

    Uhuuh, elf segment at 0000000001000000 requested but the memory is mapped already
    Segmentation fault

* lib/x86-mes/elf32-header.hex2: Remove unused data program header.
2018-06-16 08:32:12 +02:00
build-aux Update for mescc-tools-0.5. 2018-06-16 06:38:05 +02:00
doc doc: Release udpate. 2018-05-23 22:48:00 +02:00
guile mescc: Posixify interface. 2018-05-25 08:05:02 +02:00
include mescc: Support binutils-2.30. 2018-06-09 17:58:47 +02:00
lib mescc: Update elf32-header for linux-4.17. 2018-06-16 08:32:12 +02:00
module Update for mescc-tools-0.5. 2018-06-16 06:38:05 +02:00
scaffold mescc: Support gcc-3.2: Implement integer strto*. 2018-06-06 22:39:57 +02:00
scripts build: Use arch-dir. 2018-05-29 20:07:46 +02:00
src mescc: Support gcc-2.6.3. 2018-06-02 11:41:06 +02:00
tests mescc: Tinycc support: Minimal float support. 2018-05-18 15:28:05 +02:00
.dir-locals.el mescc: Out of the box Geiser support. 2018-05-26 20:54:51 +02:00
.gitignore mescc: Support gcc-2.6.3. 2018-06-02 11:41:06 +02:00
AUTHORS mescc: Support gcc-3.4.0: alloca. 2018-06-06 19:44:29 +02:00
BOOTSTRAP doc: Release udpate. 2018-05-23 22:48:00 +02:00
build.sh Update for mescc-tools-0.5. 2018-06-16 06:38:05 +02:00
check.sh build: Use arch-dir. 2018-05-29 20:07:46 +02:00
configure build: make seed: Update mescc-tools-seed too. 2018-06-16 06:37:20 +02:00
COPYING Add Guile version of John McCarthy's Maxwell Equations of Software. 2016-05-28 16:26:06 +02:00
GNUmakefile build: make seed: Update mescc-tools-seed too. 2018-06-16 06:37:20 +02:00
guix.scm guix: mescc-tools: Update to 0.5. 2018-06-16 09:44:42 +02:00
HACKING doc: Release udpate. 2018-05-23 22:48:00 +02:00
INSTALL doc: Release udpate. 2017-11-21 19:22:26 +01:00
install.sh build: Resurrect non-bootstrap build. 2018-06-12 07:05:33 +02:00
NEWS doc: Release udpate. 2018-05-23 22:48:00 +02:00
README doc: Release udpate. 2018-05-23 22:48:00 +02:00

README 

                                                              -*- org -*-
Mes -- Maxwell Equations of Software

[[https://gitlab.com/janneke/mes][Mes]] aims to help create full source bootstrapping for [[https://www.gnu.org/software/guix][GuixSD]] as part
of the [[http://bootstrappable.org][bootstrappable builds]] effort.

It currently consists of a mutual self-hosting Scheme interpreter
prototype written in C and a Nyacc-based C compiler written in Scheme.
This C prototype is being simplified to be transpiled by [[https://github.com/oriansj/m2-planet][M2-Planet]].

The Scheme interpreter prototype (mes.c) has a Garbage Collector, a
library of loadable Scheme modules-- notably Dominique Boucher's [[https://github.com/schemeway/lalr-scm][LALR]],
Pre-R6RS [[https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html][portable syntax-case]] with R7RS ellipsis, Matt Wette's [[https://www.nongnu.org/nyacc][Nyacc]],
Guile's [[https://www.gnu.org/software/guile/docs/master/guile.html/PEG-Parsing.html][PEG]] --and test suite just barely enough to support a simple
REPL and simple C-compiler: MesCC.

Mes+MesCC can compile a only [[https://gitlab.com/janneke/tinycc][lightly modified TinyCC]] that is
self-hosting.  Using the Mes C library, this tcc can now build the
gnutools triplet: binutils-2.14, gcc-2.95.3, glibc-2.2.5.

Mes is inspired by The Maxwell Equations of Software: [[http://www.softwarepreservation.org/projects/LISP/book/LISP%2525201.5%252520Programmers%252520Manual.pdf][LISP-1.5]] -- John
McCarthy page 13, GNU Guix's source/binary packaging transparency and
Jeremiah Orians's stage0 ~300 byte self-hosting hex assembler.

[0] https://gitlab.com/janneke/mes
[1] https://www.gnu.org/software/guix
[2] http://bootstrappable.org
[3] https://github.com/oriansj/m2-planet
[4] https://github.com/schemeway/lalr-scm
[5] https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html
[6] https://www.nongnu.org/nyacc
[7] https://www.gnu.org/software/guile/docs/master/guile.html/PEG-Parsing.html
[8] https://gitlab.com/janneke/tinycc
[9] http://www.softwarepreservation.org/projects/LISP/book/LISP%25201.5%2520Programmers%2520Manual.pdf
[10] https://github.com/oriansj/stage0

Mes is free software, it is distributed under the terms of the GNU
General Public Licence version 3 or later.  See the file COPYING.

* Get it

   git clone https://gitlab.com/janneke/mes

* Build it (see INSTALL for full instructions)

   ./configure
   make all
   make check

* REPL it

   src/mes.gcc        # default (64 bit) gcc-compiled
   src/mes.mlibc-gcc  # 32 bit, gcc -nostdlib
   src/mes            # 32 bit, bootstrapped, mes.M1+MesCC-compiled

* MesCC compiler

   scripts/mescc -c scaffold/main.c