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[asan] Explicitly declare memintrinsics interceptors to have C linkage
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Authored by waltl on May 18 2018, 10:51 AM.

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This is needed on RTEMS. Also update a comment.

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rL LLVM

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Buildable 18344
Build 18344: arc lint + arc unit

This revision is now accepted and ready to land.May 18 2018, 11:02 AM

This revision was automatically updated to reflect the committed changes.

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compiler-rt/

lib/

asan/

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	}			}

	void __asan_memmove(void to, const void *from, uptr size) {			void __asan_memmove(void to, const void *from, uptr size) {
	ASAN_MEMMOVE_IMPL(nullptr, to, from, size);			ASAN_MEMMOVE_IMPL(nullptr, to, from, size);
	}			}

	#if SANITIZER_FUCHSIA \|\| SANITIZER_RTEMS			#if SANITIZER_FUCHSIA \|\| SANITIZER_RTEMS

	// Fuchsia doesn't use sanitizer_common_interceptors.inc, but the only			// Fuchsia and RTEMS don't use sanitizer_common_interceptors.inc, but
	// things there it wants are these three. Just define them as aliases			// the only things there it wants are these three. Just define them
	// here rather than repeating the contents.			// as aliases here rather than repeating the contents.

	decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]];			extern "C" decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]];
	decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]];			extern "C" decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]];
	decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]];			extern "C" decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]];

	#endif // SANITIZER_FUCHSIA \|\| SANITIZER_RTEMS			#endif // SANITIZER_FUCHSIA \|\| SANITIZER_RTEMS