Fangrui Song be91bd0121 [llvm-libgcc] Don't export __{,de}register_frame_info* and __register_frame_table ... These symbols are used in the absence of PT_GNU_EH_FRAME, for ld --no-eh-frame-hdr (gcc -static default). libunwind defines these empty functions when `defined(_LIBUNWIND_BUILD_ZERO_COST_APIS) && defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND) && defined(_LIBUNWIND_SUPPORT_FRAME_APIS)`. They should be perceived as Mac OS X workarounds. For Linux, GCC crtbeginT.o (for -static) and clang_rt.crtbegin.o contain weak references to `__{,de}register_frame_info`. Dynamically linked executables will either not reference `__{,de}register_frame_info` (using libgcc) or reference them as weak symbols (using compiler-rt). Therefore, not defining these symbols is backward compatible. Reviewed By: phosek Differential Revision: https://reviews.llvm.org/D158241		2023-08-23 13:00:36 -07:00
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lib	[llvm-libgcc] Don't export __{,de}register_frame_info* and __register_frame_table	2023-08-23 13:00:36 -07:00
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