Serialize code stubs using stub key.

src/code-stubs.h

 // Copyright 2012 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_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 169 matching lines @@
   // Lookup the code in the (possibly custom) cache.
   bool FindCodeInCache(Code** code_out);
 
   virtual CallInterfaceDescriptor GetCallInterfaceDescriptor() = 0;
 
   virtual void InitializeDescriptor(CodeStubDescriptor* descriptor) {}
 
   static void InitializeDescriptor(Isolate* isolate, uint32_t key,
                                    CodeStubDescriptor* desc);
 
+  static MaybeHandle<Code> GetCode(Isolate* isolate, uint32_t key);
+
   // Returns information for computing the number key.
   virtual Major MajorKey() const = 0;
   uint32_t MinorKey() const { return minor_key_; }
 
   virtual InlineCacheState GetICState() const { return UNINITIALIZED; }
   virtual ExtraICState GetExtraICState() const { return kNoExtraICState; }
   virtual Code::StubType GetStubType() {
     return Code::NORMAL;
   }
 
@@ skipping 54 matching lines @@
 
   // If a stub uses a special cache override this.
   virtual bool UseSpecialCache() { return false; }
 
   // We use this dispatch to statically instantiate the correct code stub for
   // the given stub key and call the passed function with that code stub.
   typedef void (*DispatchedCall)(CodeStub* stub, void** value_out);
   static void Dispatch(Isolate* isolate, uint32_t key, void** value_out,
                        DispatchedCall call);
 
+  static void GetCodeDispatchCall(CodeStub* stub, void** value_out);
+
   STATIC_ASSERT(NUMBER_OF_IDS < (1 << kStubMajorKeyBits));
   class MajorKeyBits: public BitField<uint32_t, 0, kStubMajorKeyBits> {};
   class MinorKeyBits: public BitField<uint32_t,
       kStubMajorKeyBits, kStubMinorKeyBits> {};  // NOLINT
 
   friend class BreakPointIterator;
 
   Isolate* isolate_;
 };
 
@@ skipping 2113 matching lines @@
 
 #undef DEFINE_CALL_INTERFACE_DESCRIPTOR
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_