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Bob Wilson 1d524c0d0d Disable sigaltstack on Apple platforms

Using sigaltstack on Apple platforms is a bad idea. Darwin's backtrace()
function does not work with sigaltstack, and my change in r286851 was
supposed to solve that by using _Unwind_Backtrace instead. I tested that
_Unwind_Backtrace works for crashes but then discovered that it does not
work for assertion failures when using sigaltstack, at least on macOS.
The stack trace shows only the frames on the alternate stack.
I also saw some reports of this happening for crashes, but it fails
consistently for assertion failures. I tried various things to get it to
work but the problem seems to be in _Unwind_Backtrace itself. Disabling
sigaltstack is unfortunate since it would be nice to get backtraces for
stack overflows, but at least this gets us backtraces for the more common
cases. rdar://problem/29662459

llvm-svn: 291206

2017-01-06 02:26:30 +00:00

modules

[gtest] Fix the way we disable a warning for unittests.

2017-01-04 23:40:06 +00:00

platforms

cmake: Simplify the iOS.cmake toolchain

2016-02-12 23:36:05 +00:00

config-ix.cmake

Disable sigaltstack on Apple platforms

2017-01-06 02:26:30 +00:00

config.guess

[CMAKE] Update build on recent Haiku

2016-02-26 17:01:45 +00:00

dummy.cpp

[CMake] Fix Xcode build with LLVM_ENABLE_OBJLIB.

2015-09-10 17:18:51 +00:00

nsis_icon.ico

Win installer: provide a pretty icon

2014-03-27 20:48:37 +00:00

nsis_logo.bmp

CMake: polish the Windows packaging rules

2013-08-15 23:44:31 +00:00

README

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README

See docs/CMake.html for instructions on how to build LLVM with CMake.