Ed Maste 77ac8927fd libunwind: make __{de,}register_frame compatible with libgcc API ... The libgcc __register_frame and __deregister_frame functions take a pointer to a set of FDE/CIEs, terminated by an entry where length is 0. In Apple's libunwind implementation the pointer is taken to be to a single FDE. I suspect this was just an Apple bug, compensated by Apple- specific code in LLVM. See lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp and http://lists.llvm.org/pipermail/llvm-dev/2013-April/061737.html for more detail. This change is based on the LLVM RTDyldMemoryManager.cpp. It should later be changed to be alignment-safe. Reported by: dim Reviewed by: dim MFC after: 1 month Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D8869		2016-12-21 14:06:44 +00:00
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libunwind	libunwind: make __{de,}register_frame compatible with libgcc API	2016-12-21 14:06:44 +00:00