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Like we have been doing for libc++ for a while now, start using
from-scratch testing configurations for libc++abi.
As a fly-by fix, remove the LIBCXXABI_NO_TIMER macro, which was defined
but never used.
Differential Revision: https://reviews.llvm.org/D125242
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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.
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We create threads using std::thread in various places in the test suite.
However, the usual std::thread constructor may not work on all platforms,
e.g. on platforms where passing a stack size is required to create a thread.
This commit introduces a simple indirection that makes it easier to tweak
how threads are created inside the test suite on various platforms. Note
that tests that are purposefully calling std::thread's constructor directly
(e.g. because that is what they're testing) were not modified.
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This is needed when running the tests in Freestanding mode, where main()
isn't treated specially. In Freestanding, main() doesn't get mangled as
extern "C", so whatever runtime we're using fails to find the entry point.
One way to solve this problem is to define a symbol alias from __Z4mainiPPc
to _main, however this requires all definitions of main() to have the same
mangling. Hence this commit.
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This clarifies the difference between test for exception support in
libc++abi tests and support for exceptions built into libc++abi.
This also removes the rather confusing similarity between the
_LIBCXXABI_NO_EXCEPTIONS and LIBCXXABI_HAS_NO_EXCEPTIONS macros.
Finally, TEST_HAS_NO_EXCEPTIONS is also detected automatically based
on -fno-exceptions, so it doesn't have to be specified explicitly
through Lit's compile_flags.
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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
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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
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llvm-svn: 290471
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Align the naming / use of the macro LIBCXXABI_HAS_NO_THREADS to follow what we
have in libcxx. NFC.
llvm-svn: 282062
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Currently there is only support for a -fno-exceptions libc++ build. This is
problematic for functions such as std::terminate() which are defined in
libc++abi and using any of those functions throws away most of the benefits
of using -fno-exceptions (code-size). This patch introduces a -fno-exceptions
libc++abi build to address this issue.
This new variant of libc++abi cannot be linked against any with-exceptions
code as some symbols necessary for handling exceptions are missing in this
library.
Differential revision: http://reviews.llvm.org/D20677
Reviewers: EricWF, mclow.lists, bcraig
llvm-svn: 271267
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http://reviews.llvm.org/D7101
llvm-svn: 226691
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