================
@@ -557,7 +630,21 @@ set_registers(_Unwind_Exception* unwind_exception,
_Unwind_Context* context,
reinterpret_cast<uintptr_t>(unwind_exception));
_Unwind_SetGR(context, __builtin_eh_return_data_regno(1),
static_cast<uintptr_t>(results.ttypeIndex));
+#if __has_feature(ptrauth_qualifier)
+ auto stackPointer = _Unwind_GetGR(context, UNW_REG_SP);
----------------
ojhunt wrote:
Sigh, i've been fighting some local build issues and was wanting to get bot
feedback while getting my local build working again (see
https://github.com/llvm/llvm-project/pull/156607 that I ran into because I was
accidentally building clang fat). I should have commented that this was not
ready for re-review (though the feedback is needed, it would hopefully mitigate
manually finding failures)
Including libunwind.h is necessary -- pointer auth makes these ABI linked, and
while we _could_ redeclare these in cxxabi that would obscure the linkage _and_
mean changes are not automatic and silently break.
https://github.com/llvm/llvm-project/pull/143230
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