jart/cosmopolitan on Hacker News

…constants so you can absolutely use inlining if you like to live dangerously. For example: https://github.com/jart/cosmopolitan/blob/91f4167a45f811fde6... There really isn't any performance advantage to doing this, because the SYSCALL…

comment by jart · 2021-02-26 · in Show HN: Redbean – Single-file distributable web server

The amount of work that went to this is insane. She made a (full ?) implementation of libc: https://github.com/jart/cosmopolitan/tree/master/libc

comment by raphaelj · 2021-02-26 · in Show HN: Redbean – Single-file distributable web server

The are a few options but all require some effort https://github.com/jart/cosmopolitan/issues/27

comment by ZiiS · 2021-02-26 · in Show HN: Redbean – Single-file distributable web server

…it to use cosmopolitan.a when linking system call functions like read(), write(), etc. See https://github.com/jart/cosmopolitan Another option is if Free Pascal wants to write all the system call support from scratch, then doing that now…

comment by jart · 2021-02-26 · in Show HN: Redbean – Single-file distributable web server

…As far as I'm concerned, this is literal magic. Look at the magic numbers: https://github.com/jart/cosmopolitan/blob/37a4c70c3634862d8d... I could go on, but there's no binary portability comparison with any other language. And she h

comment by hprx · 2021-02-26 · in Show HN: Redbean – Single-file distributable web server

…using it, since it lets your binaries run on Windows, Mac, FreeBSD, OpenBSD, and NetBSD too. https://github.com/jart/cosmopolitan See https://justine.lol/ape.html which talks about how the executable format is also a valid zip file, which…

comment by jart · 2021-02-25 · in Static Executables with SBCL v2

…that were too slow even during the days where multitenancy on a single machine mattered. See https://github.com/jart/cosmopolitan and https://github.com/jart/cosmopolitan/issues/20#issuecomment-... to learn more.

comment by jart · 2021-02-12 · in Running unmodified Linux programs on Fuchsia

…See also this issue where people have requested hardware accelerated graphics: https://github.com/jart/cosmopolitan/issues/35 Cosmopolitan can be doing more if game studios are willing to back the project. Remember how John Carmack dippe

comment by jart · 2021-02-12 · in How Fat Does a Fat Binary Need to Be?

…is the most popular language and Cosmopolitan has an embedded JavaScript interpreter. See https://github.com/jart/cosmopolitan/blob/master/examples/he... where we built a 300kb Actually Portable Executable + ZIP file polyglot that…

comment by jart · 2021-02-12 · in How Fat Does a Fat Binary Need to Be?

Here's something you can paste into your Linux terminal to get started: git clone https://github.com/jart/cosmopolitan cd cosmopolitan make -j8 o/third_party/chibicc/chibicc.com -include libc/integral/normalize.inc -o hello.com.dbg…

comment by jart · 2021-02-11 · in How Fat Does a Fat Binary Need to Be?

…yet. Lots of GNU extensions and an integrated assembler were added. You can read about them here: https://github.com/jart/cosmopolitan/blob/master/third_party... I have automated tests which do a two-stage build and test on every platform…

comment by jart · 2021-02-11 · in How Fat Does a Fat Binary Need to Be?

…all operating systems rather than just Linux. See https://justine.lol/cosmopolitan/index.html and https://github.com/jart/cosmopolitan Trapping (SYSCALL/INT) is a loose binding. The kernel can evolve all it wants internally. It can…

comment by jart · 2021-02-04 · in Go 1.16 will make system calls through Libc on OpenBSD

…How readable is the source code to Blinkenlights? See for yourself. Here's the ALU code: https://github.com/jart/cosmopolitan/blob/master/tool/build/...

comment by jart · 2021-01-29 · in The Evolution of the QEMU Translator

▲ 6

Cosmopolitan Libc v0.1 Released

story by jart · 2021-01-29 · 1 comment

…which helps Mac/Linux/Windows/FreeBSD developers write software that's compatible with OpenBSD: https://github.com/jart/cosmopolitan/blob/master/libc/sysv/s... As you can see, I've studied these systems a lot and I've got to say that…

comment by jart · 2021-01-27 · in Heap-based buffer overflow in Sudo

…privileges since spectre has made the performance costs of having an operating system too high: https://github.com/jart/cosmopolitan/issues/20#issuecomment-...

comment by jart · 2021-01-27 · in Heap-based buffer overflow in Sudo

…shell) to support the Actually Portable Executable format used by the Cosmopolitan C Library. See https://github.com/jart/cosmopolitan/issues/23#issuecomment-... and the recent HN thread here: https://news.ycombinator.com/item?id=25556286

comment by jart · 2021-01-17 · in FreeBSD 2020 Q4 Status Report

…you can always use SUPPORT_VECTOR to squeeze it down to the order of a 4kb ELF executable. See: https://github.com/jart/cosmopolitan/blob/1df136323be2ae806f...

comment by jart · 2020-12-29 · in Cosmopolitan Libc: build-once run-anywhere C library

Author here. tcc is tired and chibicc is wired. Check out https://github.com/jart/cosmopolitan/blob/master/third_party... where I've been working on building a 300kb actually portable executable c11 compiler + assembler + linker that…

comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library

…on the subset of numbers that systems share in common. In other words, the really old ones. https://github.com/jart/cosmopolitan/blob/master/libc/sysv/c...

comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library

…curious, here's the link to memcpy() as it's actually implemented in the Cosmopolitan headers: https://github.com/jart/cosmopolitan/blob/de09bec215675e9b0b... One thing that the web page doesn't mention (for the sake of simplicity) is that…

comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library

…provides a 3kb x86 instruction length decoder that supports all past, present, and future ISAs: https://github.com/jart/cosmopolitan/blob/master/third_party... The Cosmopolitan codebase also provides a debugger / emulator for i8086 +…

comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library

…which uses an LP64 data model. That hasn't impacted its ability to use the WIN32 API. See https://github.com/jart/cosmopolitan/tree/master/libc/nt where WIN32 API functions are declared using uint32_t, int64_t, etc. It works great. I…

comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library

…happen. Cosmopolitan implements a simplified version of the Address Sanitizer (ASAN) runtime. See https://github.com/jart/cosmopolitan/blob/master/libc/log/as... I've been systematically working towards using it to vet the entire codebase.…

comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library

…trying to support like WYSE terminals or actual teletypewriters. Here's the dox on the subject: https://github.com/jart/cosmopolitan/blob/1fc91f3/tool/build... > If a user hits Ctrl-C during clean-up operations that might take a long time,…

comment by jart · 2020-12-21 · in Command Line Interface Guidelines

Sorry here's what a build file looks like, which should hopefully clarify: https://github.com/jart/cosmopolitan/blob/master/libc/mem/me... As you can see, it's just vanilla make. The package program is just a helper that checks to make…

comment by jart · 2020-11-29 · in Please – A cross-language build system

…that checks some build configuration, augments C and postprocesses executable files? (Looking at https://github.com/jart/cosmopolitan it's an interesting hack. Might be useful in some cases, for example command-line tools like git.) Have…

comment by s_gourichon · 2020-11-28 · in Please – A cross-language build system

…stays sanely formed. It totally got make working like a dream in a way I simply hadn't seen before. https://github.com/jart/cosmopolitan/blob/master/tool/build/...

comment by jart · 2020-11-28 · in Please – A cross-language build system

…supported. CGA is kind of just a uint16_t[20][80] array for personal computers. See also: https://github.com/jart/cosmopolitan/blob/ea0b5d9/tool/build... You're absolutely right that the inconsistencies with textmode used to be about as…

comment by jart · 2020-11-28 · in Bring back the ease of 80s and 90s personal computing

…ps://justine.storage.googleapis.com/ape.html It even supports fork() on windows as of a few days ago: https://github.com/jart/cosmopolitan/commit/db33973e0aae7ffc...

comment by jesuscyborg · 2020-11-17 · in Best aspects of C

…this day and age like being able to build once run anywhere TUI apps for Windows/Mac/Linux/BSD. See https://github.com/jart/cosmopolitan/commit/9e3e985ae5fdccc9... and https://justine.storage.googleapis.com/ape.html

comment by jart · 2020-10-23 · in Rejuvenating Autoconf

…days to retool the standard x86_64 compiler to generate 16-bit boot code for The LISP Challenge. https://github.com/jart/cosmopolitan/blob/b6793d42d5ed6b4f78...

comment by jart · 2020-10-01 · in Defer Reference Implementation for C

Thanks for the feedback! The README has now been updated: https://github.com/jart/cosmopolitan/commit/fd22e55b42503093... It could use more work though. See also https://justine.storage.googleapis.com/ape.html and the HN thread about it…

comment by jart · 2020-09-30 · in Defer Reference Implementation for C

…That should just work with GCC and Clang. That code is originally from the Cosmopolitan C Library ( https://github.com/jart/cosmopolitan ) so check it out if you like the Gist and want more! Please note the macro operates at function call…

comment by jart · 2020-09-30 · in Defer Reference Implementation for C

…I put together recently that builds over 9000 objects, 72 libraries, and a few hundred executables. https://github.com/jart/cosmopolitan/blob/master/Makefile The interesting part I've noticed is tuning the makefile so it correctly orders…

comment by jart · 2020-09-04 · in The Quest to the Perfect Makefile

You can read more in the libc source. The readme gives an overview. https://github.com/jart/cosmopolitan/tree/master/libc

comment by ChrisSD · 2020-08-24 · in αcτµαlly pδrταblε εxεcµταblε

He talks about it a bit as the "magic numbers". You can see the big table: https://github.com/jart/cosmopolitan/blob/c91b3c50068224929c... I guess there's also syscall emulation stubs for Windows but since he only supports "stdio and…

comment by Mathnerd314 · 2020-08-24 · in αcτµαlly pδrταblε εxεcµταblε

…and distribute tiny native portable programs (like Kilo!) using hermetically sealed tools. See https://github.com/jart/cosmopolitan

comment by jart · 2020-07-01 · in The End of the Redis Adventure

▲ 2

Cosmopolitan: Fast portable static native textmode executable containers

story by ingve · 2020-06-27 · 0 comments

Static linking ( https://github.com/jart/cosmopolitan ) jart@debian:~/cosmo$ make -j12 CPPFLAGS+=-DIM_FEELING_NAUGHTY MODE=tiny o/tiny/examples/hello.com jart@debian:~/cosmo$ ls -sh o/tiny/examples/hello.com 20K o/tiny/examples/hello.com…

comment by jart · 2020-06-26 · in Dynamic linking

…like native machine learning code. For example one build system that enables that use case is: https://github.com/jart/cosmopolitan At best these new POWER or ARM architecture Apple PCs are going to be like a C-class Mercedes. So I'm…

comment by jart · 2020-06-22 · in Apple announces it will switch to its own processors for future Macs

…also taught us last year that 4kb of code is all it takes to decode every x86 isa (i.e. 1977-2020) https://github.com/jart/cosmopolitan/blob/d51409c/third_part... Thanks Mark Charney. https://github.com/intelxed/xed

comment by jart · 2020-06-22 · in Domain-Specific Hardware Accelerators

…I want is stdio and math; how can I do that without all the breaking builds and broken hearts?" https://github.com/jart/cosmopolitan Please consider supporting us. These old technologies are widely supported and have stood the test of…

comment by jart · 2020-06-20 · in Rediscovering the beauty of text on the internet