Revert of [regexp] Remove remainder of native RegExpExecStub

src/mips64/simulator-mips64.h

 // Copyright 2011 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.
 
 
 // Declares a Simulator for MIPS instructions if we are not generating a native
 // MIPS binary. This Simulator allows us to run and debug MIPS code generation
 // on regular desktop machines.
 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro,
 // which will start execution in the Simulator or forwards to the real entry
@@ skipping 11 matching lines @@
 namespace v8 {
 namespace internal {
 
 // When running without a simulator we call the entry directly.
 #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \
   entry(p0, p1, p2, p3, p4)
 
 
 // Call the generated regexp code directly. The code at the entry address
 // should act as a function matching the type arm_regexp_matcher.
+// The fifth (or ninth) argument is a dummy that reserves the space used for
+// the return address added by the ExitFrame in native calls.
 typedef int (*mips_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);
 
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
   (FUNCTION_CAST<mips_regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7,   \
-                                             p8))
+                                             NULL, p8))
+
 
 // The stack limit beyond which we will throw stack overflow errors in
 // generated code. Because generated code on mips uses the C stack, we
 // just use the C stack limit.
 class SimulatorStack : public v8::internal::AllStatic {
  public:
   static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
                                             uintptr_t c_limit) {
     return c_limit;
   }
@@ skipping 493 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)->Call(        \
       FUNCTION_ADDR(entry), 5, reinterpret_cast<int64_t*>(p0),        \
       reinterpret_cast<int64_t*>(p1), reinterpret_cast<int64_t*>(p2), \
       reinterpret_cast<int64_t*>(p3), reinterpret_cast<int64_t*>(p4)))
 
+
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
-  static_cast<int>(Simulator::current(isolate)->Call(entry, 9, p0, p1, p2, p3, \
-                                                     p4, p5, p6, p7, p8))
+  static_cast<int>(Simulator::current(isolate)->Call(                          \
+      entry, 10, p0, p1, p2, p3, p4, reinterpret_cast<int64_t*>(p5), p6, p7,   \
+      NULL, 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 inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
                                             uintptr_t c_limit) {
     return Simulator::current(isolate)->StackLimit(c_limit);
   }
 
   static inline uintptr_t RegisterCTryCatch(Isolate* isolate,
                                             uintptr_t try_catch_address) {
     Simulator* sim = Simulator::current(isolate);
     return sim->PushAddress(try_catch_address);
   }
 
   static inline void UnregisterCTryCatch(Isolate* isolate) {
     Simulator::current(isolate)->PopAddress();
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_MIPS_SIMULATOR_MIPS_H_