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Without -funwind-tables, the compiler won't generate the unwinding
table for these C functions. However, the functions in libunwind,
such as `_Unwind_Backtrace()`, WILL unwind stack to get the backtrace.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@226823 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Fixes PR21738.
The implementation for this is handled by __cxa_thread_atexit_impl,
which is supplied by libc.
More information:
https://sourceware.org/glibc/wiki/Destructor%20support%20for%20thread_local%20variables
Reviewers: mclow.lists, EricWF, jroelofs
Reviewed By: jroelofs
Subscribers: majnemer, cfe-commits
Differential Revision: http://reviews.llvm.org/D6708
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@224477 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by Ismail Donmez
http://reviews.llvm.org/D4953
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@215950 91177308-0d34-0410-b5e6-96231b3b80d8
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No intended behavior change on Linux and Mac OS X. On Windows, having libcxxabi
in one's checkout should now no longer break running cmake. (cl.exe supports
c++11, but doesn't understand a -std= flag.)
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@213214 91177308-0d34-0410-b5e6-96231b3b80d8
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The cmake files for libc++abi and the unwinder weren't linking against
libpthread or an unwind library. If the tests were linked with
-Wl,--as-needed, these libraries wouldn't be linked, causing them to
fail.
Patch contributed by İsmail Dönmez.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@212958 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@212768 91177308-0d34-0410-b5e6-96231b3b80d8
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Will add support for tests with lit in a later patch.
This does not yet support building the unwinder in src/Unwind.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@212286 91177308-0d34-0410-b5e6-96231b3b80d8
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