[PATCH] D55554: [HWASAN/rt] Implement support for memory intrinsics
Eugene Leviant via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Dec 14 02:10:37 PST 2018
evgeny777 marked an inline comment as done.
evgeny777 added inline comments.
================
Comment at: lib/hwasan/hwasan.cc:532
+void *__hwasan_memset(void *block, int c, uptr size) {
+ CheckAddressSized<ErrorAction::Abort, AccessType::Store>(
+ reinterpret_cast<uptr>(block), size);
----------------
eugenis wrote:
> eugenis wrote:
> > This way -fsanitize-recover does not apply to mem intrinsics. I think, for consistency, there needs to be a __hwasan_memset_noabort variant, used in instrumentation when !Recover.
> please also address this comment
I noticed that ASAN doesn't have noabort versions, instead mem intrinsic behavior is controlled by `halt_on_error` flag in runtme. How about doing the same here?
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https://reviews.llvm.org/D55554/new/
https://reviews.llvm.org/D55554
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