diff options
| author | Reid Kleckner <reid@kleckner.net> | 2015-05-04 20:53:51 +0000 |
|---|---|---|
| committer | Reid Kleckner <reid@kleckner.net> | 2015-05-04 20:53:51 +0000 |
| commit | b8cd9c9de9b41aac2451a8df0bdd0c795bc093d5 (patch) | |
| tree | 2e1fe258fa997b00d54929bbfde4c658b8d047f8 /docs/MSVCCompatibility.rst | |
| parent | c2d6540aeb6729afe11498e746a10fde0a9bc7d0 (diff) | |
| download | clang-b8cd9c9de9b41aac2451a8df0bdd0c795bc093d5.tar.gz | |
Update MSVC compatibility doc note about exceptions
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@236458 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/MSVCCompatibility.rst')
| -rw-r--r-- | docs/MSVCCompatibility.rst | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/docs/MSVCCompatibility.rst b/docs/MSVCCompatibility.rst index 1dba9e865b..8f5d70e85e 100644 --- a/docs/MSVCCompatibility.rst +++ b/docs/MSVCCompatibility.rst @@ -84,9 +84,16 @@ The status of major ABI-impacting C++ features: * RTTI: :good:`Complete`. Generation of RTTI data structures has been finished, along with support for the ``/GR`` flag. -* Exceptions and SEH: :partial:`Minimal`. Clang can parse both constructs, but - does not know how to emit compatible handlers. Clang can throw and rethrow - C++ exceptions. +* Exceptions and SEH: :partial:`Partial`. C++ exceptions (``try`` / ``catch``) + and structured exceptions (``__try`` / ``__except`` / ``__finally``) mostly + work on x64. 32-bit exception handling support is being worked on. LLVM does + not model asynchronous exceptions, so it is currently impossible to catch an + asynchronous exception generated in the same frame as the catching ``__try``. + C++ exception specifications are ignored, but this is `consistent with Visual + C++`_. + +.. _consistent with Visual C++: + https://msdn.microsoft.com/en-us/library/wfa0edys.aspx * Thread-safe initialization of local statics: :none:`Unstarted`. We are ABI compatible with MSVC 2013, which does not support thread-safe local statics. |