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Restore MODE=dbg support

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We recently broke MODE=dbg support when we added C++ exception support.
This change adds the missing UBSAN interfaces, needed to get it working
again. Some of the ASAN checking in the SJLJ guts needed to be disabled
since I doubt anyone's combined the two features until now.
This commit is contained in:
Justine Tunney 2024-01-26 23:07:18 -08:00
parent f27808c4d2
commit c1e18e7903
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5 changed files with 34 additions and 38 deletions
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26
third_party/nsync/README.md vendored
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@ -1,26 +0,0 @@
# *NSYNC
*NSYNC is a library providing scalable synchronization primitives. The
following packages are provided:
- `THIRD_PARTY_NSYNC` has `nsync_mu` which doesn't depend on malloc().
- `THIRD_PARTY_NSYNC_MEM` has the rest of *NSYNC, e.g. `nsync_cv`.
The origin of this code is here:
git@github.com:google/nsync
ac5489682760393fe21bd2a8e038b528442412a7 (1.25.0)
Author: Mike Burrows <m3b@google.com>
Date: Wed Jun 1 16:47:52 2022 -0700
NSYNC uses the Apache 2.0 license. We made the following local changes:
- Write custom `nsync_malloc_()` so `malloc()` can use *NSYNC.
- Rewrite `futex()` wrapper to support old Linux kernels and OpenBSD.
- Normalize sources to Cosmopolitan style conventions; *NSYNC upstream
supports dozens of compilers and operating systems, at compile-time.
Since Cosmo solves portability at runtime instead, most of the build
config toil has been removed, in order to help the NSYNC source code
be more readable and hackable.