[libunwind] Support kRegisterUndefined.

This makes all supported morello tests pass.
CTSRD-CHERI · Feb 22, 2024 · 17c00e5 · 17c00e5
1 parent df2e7bd
commit 17c00e5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/libunwind/src/DwarfInstructions.hpp b/libunwind/src/DwarfInstructions.hpp
@@ -165,9 +165,10 @@ typename A::capability_t DwarfInstructions<A, R>::getSavedCapabilityRegister(
 #else
     break;
 #endif
+  case CFI_Parser<A>::kRegisterUndefined:
+    return fake_capability_t();
 
   case CFI_Parser<A>::kRegisterInCFADecrypt: // sparc64 specific
-  case CFI_Parser<A>::kRegisterUndefined:
   case CFI_Parser<A>::kRegisterUnused:
   case CFI_Parser<A>::kRegisterOffsetFromCFA:
     // FIX ME