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Move the alias definition of unw_getcontext to within !defined(__USING_SJLJ_EXCEPTIONS__) 

For builds with SJLJ, there is no __unw_getcontext symbol. On Windows,
the weak alias macro also expands to a dllexport directive, which fails
if the symbol doesn't exist.

Differential Revision: https://reviews.llvm.org/D60251

llvm-svn: 357711
This commit is contained in:
Martin Storsjo 2019-04-04 17:50:14 +00:00
parent 2a7cac932b
commit 351ac8b1cc
1 changed files with 2 additions and 1 deletions
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3
libunwind/src/UnwindRegistersSave.S
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@ -972,8 +972,9 @@ DEFINE_LIBUNWIND_FUNCTION(__unw_getcontext)
jmp %o7
clr %o0 // return UNW_ESUCCESS
#endif
#endif /* !defined(__USING_SJLJ_EXCEPTIONS__) */
WEAK_ALIAS(__unw_getcontext, unw_getcontext)
#endif /* !defined(__USING_SJLJ_EXCEPTIONS__) */
NO_EXEC_STACK_DIRECTIVE