Commit graph

12 commits

Author SHA1 Message Date
Justine Tunney
68b9479f0c
Make cosmo.h work a little better 2024-02-21 16:40:09 -08:00
Justine Tunney
eeb20775d2
Add dontthrow attribute to most libc functions
This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
2024-01-09 01:26:03 -08:00
Justine Tunney
1351d3cede
Remove bool from public headers 2023-11-15 20:58:46 -08:00
tkchia
ed17d3008b
[metal] Add a uprintf() routine, for non-emergency boot logging (#905)
* [metal] Add a uprintf() routine, for non-emergency boot logging
* [metal] _Really_ push forward timing of VGA TTY initialization
* [metal] Do something useful with uprintf()
* [metal] Locate some ACPI tables, for later hardware detection

Specifically the code now tries to find the ACPI RSDP,
RSDT/XSDT, FADT, & MADT tables, whether in legacy BIOS
bootup mode or in a UEFI bootup.  These are useful for
figuring out how to (re)enable asynchronous interrupts
in legacy 8259 PIC mode.
2023-10-25 14:32:20 -07:00
Justine Tunney
965516e313
Make improvements for Actually Portable Emacs
- Get SIGWINCH working again on the New Technology
- Correctly handle O_NOFOLLOW in open() on Windows
- Implement synthetic umask() functionality on Windows
- Do a better job managing file execute access on Windows
- Fill in `st_uid` and `st_gid` with username hash on Windows
- Munge UNICODE control pictures into control codes on Windows
- Do a better job ensuring Windows console settings are restored
- Introduce KPRINTF_LOG environment variable to log kprintf to a file
2023-08-19 06:44:58 -07:00
Justine Tunney
c776a32f75
Replace COSMO define with _COSMO_SOURCE
This change might cause ABI breakages for /opt/cosmos. It's needed to
help us better conform to header declaration practices.
2023-08-13 20:55:04 -07:00
Justine Tunney
b8a6a989c0
Create ELF aliases for identical symbols
This change greatly reduces the number of modules that need to be
compiled. The only issue right now is that sometimes when viewing
symbol table entries, the aliased symbol is chosen.
2023-06-06 03:33:49 -07:00
Justine Tunney
f554dd800e
Make it possible to log kprintf() to file
It's now possible to compile Emacs using cosmocc. However we need to
troubleshoot why it's event loop isn't working correctly at runtime.
2023-06-05 04:16:15 -07:00
Justine Tunney
4ddfc47d6e Make some more fixups 2022-06-12 09:37:17 -07:00
Justine Tunney
13ee75150c Improve redbean plus code size optimizations
This change turns symbol table compression back on using Puff, which
noticeably reduces the size of programs like redbean and Python. The
redbean web server receives some minor API additions for controlling
things like SSL in addition to filling gaps in the documentation.
2022-05-29 08:21:19 -07:00
Justine Tunney
046c7ebd4a Improve locks and signals
- Introduce fast spinlock API
- Double rand64() perf w/ spinlock
- Improve raise() on New Technology
- Support gettid() across platforms
- Implement SA_NODEFER on New Technology
- Move the lock intrinsics into LIBC_INTRIN
- Make SIGTRAP recoverable on New Technology
- Block SIGCHLD in wait4() on New Technology
- Add threading prototypes for XNU and FreeBSD
- Rewrite abort() fixing its minor bugs on XNU/NT
- Shave down a lot of the content in libc/bits/bits.h
- Let signal handlers modify CPU registers on New Technology
2022-04-12 05:20:17 -07:00
Justine Tunney
b45d50b690 Make improvements
- Fix build flakes
- Polyfill SIGWINCH on Windows
- Fix an execve issue on Windows
- Make strerror show more information
- Improve cmd.exe setup/teardown on Windows
- Support bracketed paste mode in Blinkenlights
- Show keyboard shortcuts in Blinkenlights status bar
- Fixed copy_file_range() and copyfile() w/ zip filesystem
- Size optimize GetDosArgv() to keep life.com 12kb in size
- Improve Blinkenlights ability to load weird ELF executables
- Fix program_executable_name and add GetInterpreterExecutableName
- Make Python in tiny mode fail better if docstrings are requested
- Update Python test exclusions in tiny* modes such as tinylinux
- Add bulletproof unbreakable kprintf() troubleshooting function
- Remove "oldskool" keyword from ape.S for virus scanners
- Fix issue that caused backtraces to not print sometimes
- Improve Blinkenlights serial uart character i/o
- Make clock_gettime() not clobber errno on xnu
- Improve sha256 cpuid check for old computers
- Integrate some bestline linenoise fixes
- Show runit process names better in htop
- Remove SIGPIPE from ShowCrashReports()
- Make realpath() not clobber errno
- Avoid attaching GDB on non-Linux
- Improve img.com example
2022-03-16 13:40:10 -07:00