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[asan] Enable memtrinsics interception for RTEMS
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Authored by waltl on May 8 2018, 8:45 PM.

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Summary

Replace decltype(memcpy) with decltype(__asan_memcpy) because memcpy
has not been defined in any headers on RTEMS. Similarly for memmove
and memset.

Repository

rL LLVM

Build Status

Buildable 17881
Build 17881: arc lint + arc unit

This revision is now accepted and ready to land.May 10 2018, 11:13 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

compiler-rt/

lib/

asan/

10 lines

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	void __asan_memset(void block, int c, uptr size) {			void __asan_memset(void block, int c, uptr size) {
	ASAN_MEMSET_IMPL(nullptr, block, c, size);			ASAN_MEMSET_IMPL(nullptr, block, c, size);
	}			}

	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			#if SANITIZER_FUCHSIA \|\| SANITIZER_RTEMS

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

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

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