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Either adjust the format string to use a more exact type, or add casts
(for cases when printing pointers to structs/objects with a %p
format specifier).
Differential Revision: https://reviews.llvm.org/D56982
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@351876 91177308-0d34-0410-b5e6-96231b3b80d8
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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.
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@351648 91177308-0d34-0410-b5e6-96231b3b80d8
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GCC and Clang in MinGW mode don't support __declspec(thread), which
after expanding macros ends up as __attribute__((thread)). Use the
GCC specific attribute __thread instead (the next one in the chain
of alternatives).
Differential Revision: https://reviews.llvm.org/D56905
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@351587 91177308-0d34-0410-b5e6-96231b3b80d8
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The code moved from Unwind_AppleExtras.cpp to Unwind-sjlj.c needed
a few minor modifications to build as C instead of C++.
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@314635 91177308-0d34-0410-b5e6-96231b3b80d8
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This moves the definition of the internal helpers
`__Unwind_SjLj_GetTopOfFunctionStack` and
`__Unwind_SjLj_SetTopOfFunctionStack` into `Unwind-sjlj.c`. These are
not extra functions specific to Apple, but rather are internal
implementation details of SjLj support in the LLVM libunwind
implementation.
This allows us to remove the internal header unwind_ext.h, as these
functions are not meant to be used as SPI either. Because they are
static, they will be given implicit hidden visibility, but due to the
simplicity should get fully inlined into the actual use.
Use the C11 standard static TLS annotation (`_Thread_local`) if
possible, otherwise, use the Windows specific `__declspec(thread)` when
targeting Windows or the GNU `__thread` extension. In theory, it should
be possible for this implementation to use a `pthread_setspecific` and
`pthread_getspecific` on platforms with pthreads or `SetFlsValue` and
`GetFlsValue` on Windows for non-static TLS. However, static TLS tends
to be significantly faster, so we really should prefer that over the
dynamic TLS approach. On Apple environments, when not building for the
loader (dyld), use the pre-allocated TLS slot in the loader rather than
the local static TLS variable.
Note that the un-threaded support of libunwind is still present as
before, however, it is unsafe to use in a threaded environment as the
cleanup stack may be mutated incorrectly due to lack of locking across
threads. In the static TLS model, the lock is unneeded as each thread
of execution retains its own copy of the cleanup stack.
Take the opportunity to clean up the comment block, removing the iOS
specific note as the SjLj implementation can be used outside of the
context of iOS. Convert the rest of the explanation to a doxygen style
comment block.
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@314632 91177308-0d34-0410-b5e6-96231b3b80d8
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This makes it match the definition used within llvm and in libgcc,
we previously got the wrong layout in 64 bit environments.
Differential Revision: https://reviews.llvm.org/D38247
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@314196 91177308-0d34-0410-b5e6-96231b3b80d8
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Convention in libunwind is to use !defined(FOOT) not !FOO.
Differential Revision: https://reviews.llvm.org/D31078
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@299225 91177308-0d34-0410-b5e6-96231b3b80d8
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Previously most messages included a newline in the string, but a few of
them were missing. Fix these and simplify by just adding the newline in
the _LIBUNWIND_LOG macro itself.
Differential Revision: https://reviews.llvm.org/D24026
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@280103 91177308-0d34-0410-b5e6-96231b3b80d8
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This moves the majority of the unwind sources into the new project layout for
libunwind. This was previously discussed on llvmdev at [1]. This is a
purely movement related change, with the build infrastructure currently still
residing in the libc++abi repository.
[1] http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-January/081507.html
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@235758 91177308-0d34-0410-b5e6-96231b3b80d8
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