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cosmopolitan/third_party/double-conversion
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Trung Nguyen 8b33204f37
Add LLVM libcxxabi (#1063) 
* third_party: Add libcxxabi

Added libcxxabi from LLVM 17.0.6
The library implements the Itanium C++ exception handling ABI.

* third_party/libcxxabi: Enable __cxa_thread_atexit

Enable `__cxa_thread_atexit` from libcxxabi.
`__cxa_thread_atexit_impl` is still implemented by the cosmo libc.
The original `__cxa_thread_atexit` has been removed.

* third_party/libcxx: Build with exceptions

Build libcxx with exceptions enabled.

- Removed `_LIBCPP_NO_EXCEPTIONS` from `__config`.
- Switched the exception implementation to `libcxxabi`. These two files
are taken from the same `libcxx` version as mentioned in `README.cosmo`.
- Removed `new_handler_fallback` in favor of `libcxxabi` implementation.
- Enable `-fexceptions` and `-frtti` for `libcxx`.
- Removed `THIRD_PARTY_LIBCXX` dependency from `libcxxabi` and
`libunwind`. These libraries do not use any runtime `libcxx` functions,
just headers.

* libc: Remove remaining redundant cxa functions

- `__cxa_pure_virtual` in `libcxxabi` is also a stub similar to the
existing one.
- `__cxa_guard_*` from `libcxxabi` is used instead of the ones from
Android.

Now there should be no more duplicate implementations.
`__cxa_thread_atexit_impl`, `__cxa_atexit`, and related supporting
functions, are still left to other libraries as in `libcxxabi`.

`libcxxabi` is also now added to `cosmopolitan.a` to make up for the
removed functions.

Affected in-tree libraries (`third_party/double-conversion`) have been
updated.
2024-01-08 08:45:10 -08:00
..
test more modeline errata (#1019) 2023-12-16 23:07:10 -05:00
AUTHORS Add double-conversion to third_party (#447) 2022-06-26 03:41:55 -07:00
bignum-dtoa.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
bignum-dtoa.h Reduce header complexity 2023-11-28 14:39:42 -08:00
bignum.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
bignum.h Reduce header complexity 2023-11-28 14:39:42 -08:00
BUILD.mk Add LLVM libcxxabi (#1063) 2024-01-08 08:45:10 -08:00
cached-powers.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
cached-powers.h Reduce header complexity 2023-11-28 14:39:42 -08:00
diy-fp.h Reduce header complexity 2023-11-28 14:39:42 -08:00
double-conversion.h Scrub double-conversion and add quick wrapper 2022-06-26 05:03:25 -07:00
double-to-string.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
double-to-string.h Reduce header complexity 2023-11-28 14:39:42 -08:00
fast-dtoa.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
fast-dtoa.h Reduce header complexity 2023-11-28 14:39:42 -08:00
fixed-dtoa.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
fixed-dtoa.h Reduce header complexity 2023-11-28 14:39:42 -08:00
ieee.h Reduce header complexity 2023-11-28 14:39:42 -08:00
LICENSE Add double-conversion to third_party (#447) 2022-06-26 03:41:55 -07:00
README.cosmo Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
string-to-double.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
string-to-double.h Add double-conversion to third_party (#447) 2022-06-26 03:41:55 -07:00
strtod.cc Reduce header complexity 2023-11-28 14:39:42 -08:00
strtod.h Reduce header complexity 2023-11-28 14:39:42 -08:00
utils.h Reduce header complexity 2023-11-28 14:39:42 -08:00
wrapper.cc flip et / noet in modelines 2023-12-07 22:17:11 -05:00
wrapper.h Reduce header complexity 2023-11-28 14:39:42 -08:00

README.cosmo 

DESCRIPTION

    Efficient binary-decimal and decimal-binary conversion routines for IEEE doubles. 

ORIGIN

    double-conversion 3.2.0
    https://github.com/google/double-conversion/archive/refs/tags/v3.2.0.zip
    9e0c13564e17362aad8a32c1344a2214f71952c6

LICENSE

    BSD 3-Clause License

LOCAL CHANGES

    - Use unassert() macro for undefined behavior on failed assertions