vendor/clang/clang-r114020

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/CodeGen/TargetInfo.h b/lib/CodeGen/TargetInfo.h
index f0a78243ff793..9d4cf1610308a 100644
--- a/lib/CodeGen/TargetInfo.h
+++ b/lib/CodeGen/TargetInfo.h
@@ -47,6 +47,16 @@ namespace clang {
     virtual void SetTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                                      CodeGen::CodeGenModule &M) const { }
 
+    /// Determines the size of struct _Unwind_Exception on this platform,
+    /// in 8-bit units.  The Itanium ABI defines this as:
+    ///   struct _Unwind_Exception {
+    ///     uint64 exception_class;
+    ///     _Unwind_Exception_Cleanup_Fn exception_cleanup;
+    ///     uint64 private_1;
+    ///     uint64 private_2;
+    ///   };
+    unsigned getSizeOfUnwindException() const { return 32; }
+
     /// Controls whether __builtin_extend_pointer should sign-extend
     /// pointers to uint64_t or zero-extend them (the default).  Has
     /// no effect for targets: