[wasm] Adding feature to JIT a wasm function at runtime and hook up the compiled code into the indi…

src/runtime/runtime-utils.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_RUNTIME_RUNTIME_UTILS_H_
 #define V8_RUNTIME_RUNTIME_UTILS_H_
 
 #include "src/base/logging.h"
 #include "src/runtime/runtime.h"
 
@@ skipping 62 matching lines @@
   CHECK(is_valid_language_mode(args.smi_at(index)));   \
   LanguageMode name = static_cast<LanguageMode>(args.smi_at(index));
 
 // Assert that the given argument is a number within the Int32 range
 // and convert it to int32_t.  If the argument is not an Int32 we crash safely.
 #define CONVERT_INT32_ARG_CHECKED(name, index) \
   CHECK(args[index]->IsNumber());              \
   int32_t name = 0;                            \
   CHECK(args[index]->ToInt32(&name));
 
+// Assert that the given argument is a number within the Uint32 range
+// and convert it to uint32_t.  If the argument is not an Uint32 call
+// IllegalOperation and return.
+#define CONVERT_UINT32_ARG_CHECKED(name, index) \
+  CHECK(args[index]->IsNumber());               \
+  uint32_t name = 0;                            \
+  CHECK(args[index]->ToUint32(&name));
+
 // Cast the given argument to PropertyAttributes and store its value in a
 // variable with the given name.  If the argument is not a Smi or the
 // enum value is out of range, we crash safely.
 #define CONVERT_PROPERTY_ATTRIBUTES_CHECKED(name, index)                     \
   CHECK(args[index]->IsSmi());                                               \
   CHECK((args.smi_at(index) & ~(READ_ONLY | DONT_ENUM | DONT_DELETE)) == 0); \
   PropertyAttributes name = static_cast<PropertyAttributes>(args.smi_at(index));
 
 // A mechanism to return a pair of Object pointers in registers (if possible).
 // How this is achieved is calling convention-dependent.
@@ skipping 61 matching lines @@
 static inline ObjectTriple MakeTriple(Object* x, Object* y, Object* z) {
   ObjectTriple result = {x, y, z};
   // ObjectTriple is assigned to a hidden first argument.
   return result;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_UTILS_H_