* unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.

From-SVN: r100001

gcc/ChangeLog

 2005-05-19  Richard Henderson  <rth@redhat.com>
 
+	* unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
+
+2005-05-19  Richard Henderson  <rth@redhat.com>
+
 	* config/i386/sse.md (mulv4si3): Use all register inputs.
 	(mulv2di3): Likewise.
 

gcc/unwind-pe.h

@@ -34,6 +34,13 @@
 #ifndef GCC_UNWIND_PE_H
 #define GCC_UNWIND_PE_H
 
+/* If using C++, references to abort have to be qualified with std::.  */
+#if __cplusplus
+#define __gxx_abort std::abort
+#else
+#define __gxx_abort abort
+#endif
+
 /* Pointer encodings, from dwarf2.h.  */
 #define DW_EH_PE_absptr         0x00
 #define DW_EH_PE_omit           0xff
@@ -79,9 +86,8 @@ size_of_encoded_value (unsigned char encoding)
       return 4;
     case DW_EH_PE_udata8:
       return 8;
-    default:
-      gcc_unreachable ();
     }
+  __gxx_abort ();
 }
 
 #endif
@@ -112,9 +118,8 @@ base_of_encoded_value (unsigned char encoding, struct _Unwind_Context *context)
       return _Unwind_GetDataRelBase (context);
     case DW_EH_PE_funcrel:
       return _Unwind_GetRegionStart (context);
-    default:
-      gcc_unreachable ();
     }
+  __gxx_abort ();
 }
 
 #endif
@@ -251,7 +256,7 @@ read_encoded_value_with_base (unsigned char encoding, _Unwind_Ptr base,
 	  break;
 
 	default:
-	  gcc_unreachable ();
+	  __gxx_abort ();
 	}
 
       if (result != 0)

gcc/unwind.h

@@ -214,7 +214,8 @@ _Unwind_GetDataRelBase (struct _Unwind_Context *_C)
 static inline _Unwind_Ptr
 _Unwind_GetTextRelBase (struct _Unwind_Context *_C __attribute__ ((__unused__)))
 {
-  gcc_unreachable ();
+  abort ();
+  return 0;
 }
 
 /* @@@ Retrieve the Backing Store Pointer of the given context.  */