[PATCH] D53127: Fix declaration of _URC_FATAL_PHASE1_ERROR in libc++abi when compiled with gcc (follow-up of D42242)

[Steffen Kuhn via Phabricator]

stefson updated this revision to Diff 169553.
stefson added a comment.

Still not really sure wether `(__ARM_EABI_UNWINDER__)` is better or not.

Any feedback?


Repository:
  rCXXA libc++abi

https://reviews.llvm.org/D53127

Files:
  src/cxa_exception.hpp
  src/cxa_personality.cpp


Index: src/cxa_personality.cpp
===================================================================
--- src/cxa_personality.cpp
+++ src/cxa_personality.cpp
@@ -1109,7 +1109,7 @@
 
     // Check the undocumented force unwinding behavior
     bool is_force_unwinding = state & _US_FORCE_UNWIND;
-    state &= ~_US_FORCE_UNWIND;
+    state = (_Unwind_State)(state & ~_US_FORCE_UNWIND);
 
     scan_results results;
     switch (state) {
Index: src/cxa_exception.hpp
===================================================================
--- src/cxa_exception.hpp
+++ src/cxa_exception.hpp
@@ -28,6 +28,13 @@
 void     __setExceptionClass  (      _Unwind_Exception*, uint64_t);
 bool     __isOurExceptionClass(const _Unwind_Exception*);
 
+#if defined(__arm__) && defined(__ARM_EABI_UNWINDER__)
+// missing values from _Unwind_Reason_Code enum
+#define _URC_FATAL_PHASE2_ERROR ((_Unwind_Reason_Code)2)
+#define _URC_FATAL_PHASE1_ERROR ((_Unwind_Reason_Code)3)
+#define _URC_NORMAL_STOP ((_Unwind_Reason_Code)4)
+#endif
+
 struct _LIBCXXABI_HIDDEN __cxa_exception {
 #if defined(__LP64__) || defined(_LIBCXXABI_ARM_EHABI)
     // This is a new field to support C++ 0x exception_ptr.


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