Commit Graph

18 Commits

Author SHA1 Message Date
Louis Dionne 368faacac7 [libc++] Revert "Protect users from relying on detail headers" & related changes
This commit reverts 5aaefa51 (and also partly 7f285f48e7 and b6d75682f9,
which were related to the original commit). As landed, 5aaefa51 had
unintended consequences on some downstream bots and didn't have proper
coverage upstream due to a few subtle things. Implementing this is
something we should do in libc++, however we'll first need to address
a few issues listed in https://reviews.llvm.org/D106124#3349710.

Differential Revision: https://reviews.llvm.org/D120683
2022-03-01 08:20:24 -05:00
Christopher Di Bella 5aaefa510e [libcxx][modules] protects users from relying on detail headers
libc++ has started splicing standard library headers into much more
fine-grained content for maintainability. It's very likely that outdated
and naive tooling (some of which is outside of LLVM's scope) will
suggest users include things such as <__ranges/access.h> instead of
<ranges>, and Hyrum's law suggests that users will eventually begin to
rely on this without the help of tooling. As such, this commit
intends to protect users from themselves, by making it a hard error for
anyone outside of the standard library to include libc++ detail headers.

Differential Revision: https://reviews.llvm.org/D106124
2022-02-26 09:00:25 +00:00
Louis Dionne fa1c077b41 [runtimes] Remove support for GCC-style 32 bit multilib builds
This patch removes the ability to build the runtimes in the 32 bit
multilib configuration, i.e. using -m32. Instead of doing this, one
should cross-compile the runtimes for the appropriate target triple,
like we do for all other triples.

As it stands, -m32 has several issues, which all seem to be related to
the fact that it's not well supported by the operating systems that
libc++ support. The simplest path towards fixing this is to remove
support for the configuration, which is also the best course of action
if there is little interest for keeping that configuration. If there
is a desire to keep this configuration around, we'll need to do some
work to figure out the underlying issues and fix them.

Differential Revision: https://reviews.llvm.org/D114473
2021-12-01 12:57:01 -05:00
Louis Dionne eb8650a757 [runtimes][NFC] Remove filenames at the top of the license notice
We've stopped doing it in libc++ for a while now because these names
would end up rotting as we move things around and copy/paste stuff.
This cleans up all the existing files so as to stop the spreading
as people copy-paste headers around.
2021-11-17 16:30:52 -05:00
Daniel McIntosh 795ff77840 [libcxxabi] Fix NO_THREADS version of test_exception_storage.pass.cpp
`thread_code` returns param, which for NO_THREADS is going to be
`&thread_globals`. Thus, the return value will never be null. The test
was probably meant to check if `*thread_code(&thread_globals) == 0`.
However, to avoid the extra cast, and to bring the NO_THREADS version
more in line with the regular version of the test, this changes it to
check if thread_globals == 0 directly.

Reviewed By: ldionne, #libc_abi

Differential Revision: https://reviews.llvm.org/D113048
2021-11-04 19:30:21 -04:00
Louis Dionne a55632a069 [libc++] Temporarily mark tests as UNSUPPORTED to get the CI green
After recent changes to the Docker image, all hell broke loose and the
CI started failing. This patch marks a few tests as unsupported until
we can figure out what the issues are and fix them.

In the future, it would be ideal if the nodes could pick up the Dockerfile
present in the revision being tested, which would allow us to test changes
to the Dockerfile in the CI, like we do for all other code changes.

Differential Revision: https://reviews.llvm.org/D112737
2021-10-28 16:30:42 -04:00
Hafiz Abid Qadeer 272279a1c0 [libcxxabi] Stub out 'sleep' call when _LIBCXXABI_HAS_NO_THREADS is defined.
While running this test on a bare metal target, I got an error as 'sleep' was not available on that system. As 'sleep' call is not doing anything useful for cases when _LIBCXXABI_HAS_NO_THREADS is defined. This patch puts it under this check.

Reviewed By: ldionne

Differential Revision: https://reviews.llvm.org/D89871
2020-10-21 20:56:24 +01:00
Louis Dionne cc69d211d0 [libc++/abi] Clean up uses of <iostream> in the test suite
We used <iostream> in several places where we don't actually need the
full power of <iostream>, and where using basic `std::printf` is enough.
This is better, since `std::printf` can be supported on systems that don't
have a notion of locales, while <iostream> can't.
2020-10-13 20:25:33 -04:00
Nico Weber 086048df04 libcxxabi: Rename .hpp files to .h
LLVM uses .h as its extension for header files.

Differential Revision: https://reviews.llvm.org/D65981

llvm-svn: 368604
2019-08-12 19:11:23 +00:00
Chandler Carruth 57b08b0944 Update more file headers across all of the LLVM projects in the monorepo
to reflect the new license. These used slightly different spellings that
defeated my regular expressions.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351648
2019-01-19 10:56:40 +00:00
Nico Weber 297ec32b86 Move _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS macro to build system
_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS is currently used to
bring back std::unexpected, which is removed in C++17, but still needed
for libc++abi for backward compatibility.

This macro used to define in cxa_exception.cpp only, but actually
needed for all sources that touches exceptions.
So, a build-system-level macro is better fit to define this macro.

https://reviews.llvm.org/D46056
Patch from Taiju Tsuiku <tzik@chromium.org>!

llvm-svn: 331150
2018-04-29 23:05:11 +00:00
Shoaib Meenai a40507574e [libc++abi] Delete config.h
Summary: It's now completely empty, so we can remove it entirely.

Reviewers: mclow.lists, EricWF

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D31502

llvm-svn: 299129
2017-03-30 23:31:33 +00:00
Eric Fiselier 1cb33118d9 Fix test_exception_storage.pass.cpp in C++17 my re-enabling the unexpected handlers
llvm-svn: 295411
2017-02-17 04:26:22 +00:00
Asiri Rathnayake 97ba9fae1f [libcxxabi] Introduce an externally threaded libc++abi variant.
r281179 Introduced an externally threaded variant of the libc++ library. This
patch adds support for a similar library variant for libc++abi.

Differential revision: https://reviews.llvm.org/D27575

Reviewers: EricWF
llvm-svn: 290888
2017-01-03 12:58:34 +00:00
Eric Fiselier a140cba795 Fix warnings in libc++abi tests
llvm-svn: 290471
2016-12-24 00:37:13 +00:00
Asiri Rathnayake 6d3ea6831d [libcxxabi] Refactor pthread usage into a separate API
This patch refactors all pthread uses of libc++abi into a separate API. This
is the first step towards supporting an externlly-threaded libc++abi library.

I've followed the conventions already used in the libc++ library for the same
purpose.

Patch from: Saleem Abdulrasool and Asiri Rathnayake

Reviewed by: compnerd, EricWF

Differential revisions:
  https://reviews.llvm.org/D18482 (original)
  https://reviews.llvm.org/D24864 (final)

llvm-svn: 284128
2016-10-13 15:05:19 +00:00
Asiri Rathnayake 7c98baab29 [libcxxabi] cleanup the use of LIBCXXABI_HAS_NO_THREADS macro (NFC)
Align the naming / use of the macro LIBCXXABI_HAS_NO_THREADS to follow what we
have in libcxx. NFC.

llvm-svn: 282062
2016-09-21 09:09:32 +00:00
Jonathan Roelofs e434b34fa3 Rename all of the tests in preparation for merging lit configs with libcxx
http://reviews.llvm.org/D7101

llvm-svn: 226691
2015-01-21 19:05:37 +00:00