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Author SHA1 Message Date
Logan Chien ff8fbf9f90 unwind: Fix libc++abi and libgcc build. 
To build libc++abi without libunwind, we should make sure that all
function calls to _Unwind_{Get,Set}{GR,IP}() are inlined as function
calls to _Unwind_VRS_{Get,Set}().  Otherwise, libc++abi.so will fail to
link since libgcc does not provide these symbol at all.

This commit fixes the problem by providing both the inlined version and
exported version.

llvm-svn: 243073
 2015-07-24 00:16:48 +00:00
Logan Chien 5191fe9509 libunwind: Introduce __libunwind_config.h. 
Introduce __libunwind_config.h to avoid cross repository circular
dependency with libcxxabi.

llvm-svn: 242642
 2015-07-19 15:23:10 +00:00
Saleem Abdulrasool b1b1911777 unwind: move src/Unwind, include/, and test/ unwind content 
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

llvm-svn: 235758
 2015-04-24 19:39:17 +00:00