================
@@ -3717,6 +3717,33 @@ static void emitCheckHandlerCall(CodeGenFunction &CGF,
}
}
+// Adapts the arguments to the handler function.
+// It is expected that {StaticArgs..., DynamicArgs...} sequence matches the
+// corresponding XxxData type from the ubsan_handlers.h file.
+// Minimal hadler can use a subset of the arguments.
+static void
+AdaptArgsToHandler(CodeGenModule &CGM, SanitizerHandler CheckHandler,
+ ArrayRef<llvm::Constant *> StaticArgs,
+ ArrayRef<llvm::Value *> DynamicArgs,
+ SmallVectorImpl<llvm::Constant *> &HandlerStaticArgs,
+ SmallVectorImpl<llvm::Value *> &HandlerDynamicArgs) {
+ if (!CGM.getCodeGenOpts().SanitizeMinimalRuntime) {
+ HandlerStaticArgs.assign(StaticArgs.begin(), StaticArgs.end());
+ HandlerDynamicArgs.assign(DynamicArgs.begin(), DynamicArgs.end());
+ return;
+ }
+
+ switch (CheckHandler) {
+ case SanitizerHandler::TypeMismatch:
+ // Pass value pointer only. It adds minimal overhead.
+ HandlerDynamicArgs.assign(DynamicArgs.begin(), DynamicArgs.end());
----------------
alazarev wrote:
Done
https://github.com/llvm/llvm-project/pull/152192
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