[regexp] Remove remainder of native RegExpExecStub

src/arm64/simulator-arm64.h

 // Copyright 2013 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_ARM64_SIMULATOR_ARM64_H_
 #define V8_ARM64_SIMULATOR_ARM64_H_
 
 #include <stdarg.h>
 #include <vector>
 
@@ skipping 18 matching lines @@
   (entry(p0, p1, p2, p3, p4))
 
 typedef int (*arm64_regexp_matcher)(String* input,
                                     int64_t start_offset,
                                     const byte* input_start,
                                     const byte* input_end,
                                     int* output,
                                     int64_t output_size,
                                     Address stack_base,
                                     int64_t direct_call,
-                                    void* return_address,
                                     Isolate* isolate);
 
 // Call the generated regexp code directly. The code at the entry address
 // should act as a function matching the type arm64_regexp_matcher.
-// The ninth argument is a dummy that reserves the space used for
-// the return address added by the ExitFrame in native calls.
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
   (FUNCTION_CAST<arm64_regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7,  \
-                                              NULL, p8))
+                                              p8))
 
 // Running without a simulator there is nothing to do.
 class SimulatorStack : public v8::internal::AllStatic {
  public:
   static uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate,
                                      uintptr_t c_limit) {
     USE(isolate);
     return c_limit;
   }
 
@@ skipping 134 matching lines @@
                  Object*** argv);
   int64_t CallRegExp(byte* entry,
                      String* input,
                      int64_t start_offset,
                      const byte* input_start,
                      const byte* input_end,
                      int* output,
                      int64_t output_size,
                      Address stack_base,
                      int64_t direct_call,
-                     void* return_address,
                      Isolate* isolate);
 
   // A wrapper class that stores an argument for one of the above Call
   // functions.
   //
   // Only arguments up to 64 bits in size are supported.
   class CallArgument {
    public:
     template<typename T>
     explicit CallArgument(T argument) {
@@ skipping 751 matching lines @@
 
 // When running with the simulator transition into simulated execution at this
 // point.
 #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4)  \
   reinterpret_cast<Object*>(Simulator::current(isolate)->CallJS( \
       FUNCTION_ADDR(entry), p0, p1, p2, p3, p4))
 
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
   static_cast<int>(Simulator::current(isolate)->CallRegExp(                    \
-      entry, p0, p1, p2, p3, p4, p5, p6, p7, NULL, p8))
-
+      entry, p0, p1, p2, p3, p4, p5, p6, p7, p8))
 
 // The simulator has its own stack. Thus it has a different stack limit from
 // the C-based native code.  The JS-based limit normally points near the end of
 // the simulator stack.  When the C-based limit is exhausted we reflect that by
 // lowering the JS-based limit as well, to make stack checks trigger.
 class SimulatorStack : public v8::internal::AllStatic {
  public:
   static uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate,
                                             uintptr_t c_limit) {
     return Simulator::current(isolate)->StackLimit(c_limit);
   }
 
   static uintptr_t RegisterCTryCatch(v8::internal::Isolate* isolate,
                                      uintptr_t try_catch_address) {
     Simulator* sim = Simulator::current(isolate);
     return sim->PushAddress(try_catch_address);
   }
 
   static void UnregisterCTryCatch(v8::internal::Isolate* isolate) {
     Simulator::current(isolate)->PopAddress();
   }
 };
 
 #endif  // !defined(USE_SIMULATOR)
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM64_SIMULATOR_ARM64_H_