[PATCH] D131345: [RISC-V][HWASAN] Enable HWASAN for RISC-V architecture

[Alexey Baturo via Phabricator via cfe-commits]

smd added a comment.

In D131345#3712814 <https://reviews.llvm.org/D131345#3712814>, @kito-cheng wrote:

> I guess we should checking `J` extension is enabled somewhere when user trying to enable HWASAN? or checking that at HWASAN library at run-time? otherwise my understanding is user will get crash when enabling HWASAN if linux and/or HW don't support that?

It relies on a runtime check: during init runtime makes PR_{SET,GET}_TAGGED_ADDR_CTRL calls and if they're not supported, it fails with an error.


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https://reviews.llvm.org/D131345