[wasm] WasmRunner can run tests with I64 parameters and return value.

test/cctest/compiler/call-tester.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CCTEST_COMPILER_CALL_TESTER_H_
 #define V8_CCTEST_COMPILER_CALL_TESTER_H_
 
 #include "src/simulator.h"
 #include "test/cctest/compiler/c-signature.h"
 
@@ skipping 148 matching lines @@
     return DoCall(FUNCTION_CAST<FType*>(Generate()), p1, p2, p3, p4);
   }
 
   template <typename P1, typename P2, typename P3, typename P4, typename P5>
   R Call(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) {
     typedef R V8_CDECL FType(P1, P2, P3, P4, P5);
     CSignature::VerifyParams<P1, P2, P3, P4, P5>(csig_);
     return DoCall(FUNCTION_CAST<FType*>(Generate()), p1, p2, p3, p4, p5);
   }
 
+  CSignature* signature() const { return csig_; }
+
  protected:
   MachineSignature* csig_;
 
   virtual byte* Generate() = 0;
 
  private:
 #if USE_SIMULATOR && V8_TARGET_ARCH_ARM64
   uintptr_t CallSimulator(byte* f, Simulator::CallArgument* args) {
     Simulator* simulator = Simulator::current(isolate_);
     return static_cast<uintptr_t>(simulator->CallInt64(f, args));
@@ skipping 172 matching lines @@
  private:
   Handle<Code> code_;
 };
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_CALL_TESTER_H_