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Differential D140579

[HWASAN] Implemented LSAN in HWASAN.
AbandonedPublic

Authored by kstoimenov on Dec 22 2022, 12:32 PM.

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vitalybuka
thurston

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Repository: rG LLVM Github Monorepo

Event Timeline

kstoimenov created this revision.Dec 22 2022, 12:32 PM

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kstoimenov requested review of this revision.Dec 22 2022, 12:32 PM

Herald added a project: Restricted Project. · View Herald TranscriptDec 22 2022, 12:32 PM

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Deleted some dead code.

Harbormaster completed remote builds in B204652: Diff 484929.Dec 22 2022, 12:40 PM

Harbormaster completed remote builds in B204655: Diff 484934.Dec 22 2022, 12:46 PM

kstoimenov added a reviewer: vitalybuka.Dec 22 2022, 3:02 PM

kstoimenov added a reviewer: thurston.Jan 5 2023, 10:27 AM

After split.

kstoimenov added a parent revision: D141143: [HWASAN] Implmented LSAN specifc thread support..Jan 6 2023, 9:58 AM

Harbormaster completed remote builds in B206140: Diff 486907.Jan 6 2023, 9:58 AM

Moved WordIsPoisoned out.

kstoimenov added a parent revision: D141147: [HWASAN] Added empty WordIsPoisoned for LSAN support..Jan 6 2023, 10:33 AM

Harbormaster completed remote builds in B206153: Diff 486924.Jan 6 2023, 10:48 AM

Dropping this in leu of D141146.

kstoimenov removed parent revisions: D141147: [HWASAN] Added empty WordIsPoisoned for LSAN support., D141143: [HWASAN] Implmented LSAN specifc thread support..Jan 10 2023, 4:04 PM

Revision Contents

Path

Size

compiler-rt/

lib/

hwasan/

hwasan_poisoning.cpp

5 lines

Diff 486924

compiler-rt/lib/hwasan/hwasan_poisoning.cpp

	Show All 20 Lines

	uptr TagMemory(uptr p, uptr size, tag_t tag) {			uptr TagMemory(uptr p, uptr size, tag_t tag) {
	uptr start = RoundDownTo(p, kShadowAlignment);			uptr start = RoundDownTo(p, kShadowAlignment);
	uptr end = RoundUpTo(p + size, kShadowAlignment);			uptr end = RoundUpTo(p + size, kShadowAlignment);
	return TagMemoryAligned(start, end - start, tag);			return TagMemoryAligned(start, end - start, tag);
	}			}

	} // namespace __hwasan			} // namespace __hwasan

				// --- Implementation of LSan-specific functions --- {{{1
				namespace __lsan {
				bool WordIsPoisoned(uptr addr) { return false; }
				} // namespace __lsan