[PATCH] D65672: [compiler-rt] Expose fuzzer coverage bitmaps to the target

[Alexander Oleinik via Phabricator via llvm-commits]

a1xndr added a comment.

Ping. This has been a useful feature for fuzzing QEMU virtual devices. It has some overhead due to the memcpy, but there are ways to avoid this overhead, by adding a user-modifiable counters pointer, or possibly re-mapping existing counter regions as shared memory.


Repository:
  rCRT Compiler Runtime

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  https://reviews.llvm.org/D65672/new/

https://reviews.llvm.org/D65672