================
@@ -77,19 +77,27 @@ static void DescribeAddressBriefly(Stream &strm, const
Address &addr,
strm.Printf(".\n");
}
+std::optional<addr_t> StopInfoMachException::GetTagFaultAddress() const {
+ bool bad_access =
+ (m_value == 1 || m_value == 12); // EXC_BAD_ACCESS or EXC_GUARD
+ bool tag_fault = (m_exc_code == 0x106); // EXC_ARM_MTE_TAG_FAULT
+ bool has_fault_addr = (m_exc_data_count >= 2); // m_exc_subcode -> fault addr
+
+ if (bad_access && tag_fault && has_fault_addr)
+ return m_exc_subcode; // Fault address
----------------
JDevlieghere wrote:
Comments should be english prose with capitalization and periods.
```suggestion
if (bad_access && tag_fault && has_fault_addr)
return m_exc_subcode; // The subcode is the fault address.
```
https://github.com/llvm/llvm-project/pull/172579
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