DavidSpickett added inline comments.

================
Comment at: lldb/test/API/linux/aarch64/mte_memory_region/main.c:9-14
+  if (!(getauxval(AT_HWCAP2) & HWCAP2_MTE))
+    return 1;
+
+  int got = prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0);
+  if (got)
+    return 1;
----------------
labath wrote:
> Instead of duplicating these checks in dotest, maybe we could use the result 
> of the inferior as a indication to skip the test. Like, if, instead of 
> hitting the breakpoint, the inferior exits with code 47, we know that the 
> required cpu feature is not supported?
Sounds good to me. 

That would mean defining things like PROT_MTE in the test file, for toolchains 
that won't have it. I assume that's ok to do.
(I'll probably need to do that for lldb-server code later anyway)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87442/new/

https://reviews.llvm.org/D87442

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