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-rw-r--r--lib/ubsan/ubsan_handlers_cxx.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/ubsan/ubsan_handlers_cxx.h b/lib/ubsan/ubsan_handlers_cxx.h
index cb1bca78b..92050d99e 100644
--- a/lib/ubsan/ubsan_handlers_cxx.h
+++ b/lib/ubsan/ubsan_handlers_cxx.h
@@ -25,6 +25,12 @@ struct DynamicTypeCacheMissData {
unsigned char TypeCheckKind;
};
+struct CFIBadTypeData {
+ SourceLocation Loc;
+ const TypeDescriptor &Type;
+ unsigned char TypeCheckKind;
+};
+
/// \brief Handle a runtime type check failure, caused by an incorrect vptr.
/// When this handler is called, all we know is that the type was not in the
/// cache; this does not necessarily imply the existence of a bug.
@@ -35,6 +41,13 @@ extern "C" SANITIZER_INTERFACE_ATTRIBUTE
void __ubsan_handle_dynamic_type_cache_miss_abort(
DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash);
+/// \brief Handle a control flow integrity check failure by printing a
+/// diagnostic.
+extern "C" SANITIZER_INTERFACE_ATTRIBUTE void
+__ubsan_handle_cfi_bad_type(CFIBadTypeData *Data, ValueHandle Vtable);
+extern "C" SANITIZER_INTERFACE_ATTRIBUTE void
+__ubsan_handle_cfi_bad_type_abort(CFIBadTypeData *Data, ValueHandle Vtable);
+
}
#endif // UBSAN_HANDLERS_H