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[sanitizer] Allow to set SANITIZER_CAN_USE_PREINIT_ARRAY externally 

llvm-svn: 325720
This commit is contained in:
Vitaly Buka 2018-02-21 21:13:07 +00:00
parent fb92f4e4c4
commit e075709b41
1 changed files with 2 additions and 0 deletions
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2
compiler-rt/lib/sanitizer_common/sanitizer_internal_defs.h
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@ -98,6 +98,7 @@
// We can use .preinit_array section on Linux to call sanitizer initialization
// functions very early in the process startup (unless PIC macro is defined).
// FIXME: do we have anything like this on Mac?
#ifndef SANITIZER_CAN_USE_PREINIT_ARRAY
#if ((SANITIZER_LINUX && !SANITIZER_ANDROID) || \
SANITIZER_FREEBSD) && !defined(PIC)
# define SANITIZER_CAN_USE_PREINIT_ARRAY 1
@ -108,6 +109,7 @@
#else
# define SANITIZER_CAN_USE_PREINIT_ARRAY 0
#endif
#endif // SANITIZER_CAN_USE_PREINIT_ARRAY
// GCC does not understand __has_feature
#if !defined(__has_feature)