stub fast api calls

src/ia32/macro-assembler-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2279 matching lines @@
 
 void MacroAssembler::PrepareCallApiFunction(int argc) {
   EnterApiExitFrame(argc);
   if (emit_debug_code()) {
     mov(esi, Immediate(BitCast<int32_t>(kZapValue)));
   }
 }
 
 
 void MacroAssembler::CallApiFunctionAndReturn(
-    Address function_address,
+    Register function_address,
     Address thunk_address,
     Operand thunk_last_arg,
     int stack_space,
     Operand return_value_operand,
     Operand* context_restore_operand) {
   ExternalReference next_address =
       ExternalReference::handle_scope_next_address(isolate());
   ExternalReference limit_address =
       ExternalReference::handle_scope_limit_address(isolate());
   ExternalReference level_address =
       ExternalReference::handle_scope_level_address(isolate());
 
+  ASSERT(edx.is(function_address));
   // Allocate HandleScope in callee-save registers.
   mov(ebx, Operand::StaticVariable(next_address));
   mov(edi, Operand::StaticVariable(limit_address));
   add(Operand::StaticVariable(level_address), Immediate(1));
 
   if (FLAG_log_timer_events) {
     FrameScope frame(this, StackFrame::MANUAL);
     PushSafepointRegisters();
     PrepareCallCFunction(1, eax);
     mov(Operand(esp, 0),
         Immediate(ExternalReference::isolate_address(isolate())));
     CallCFunction(ExternalReference::log_enter_external_function(isolate()), 1);
     PopSafepointRegisters();
   }
 
 
   Label profiler_disabled;
   Label end_profiler_check;
   bool* is_profiling_flag =
       isolate()->cpu_profiler()->is_profiling_address();
   STATIC_ASSERT(sizeof(*is_profiling_flag) == 1);
   mov(eax, Immediate(reinterpret_cast<Address>(is_profiling_flag)));
   cmpb(Operand(eax, 0), 0);
   j(zero, &profiler_disabled);
 
   // Additional parameter is the address of the actual getter function.
-  mov(thunk_last_arg, Immediate(function_address));
+  mov(thunk_last_arg, function_address);
   // Call the api function.
   call(thunk_address, RelocInfo::RUNTIME_ENTRY);
   jmp(&end_profiler_check);
 
   bind(&profiler_disabled);
   // Call the api function.
-  call(function_address, RelocInfo::RUNTIME_ENTRY);
+  call(function_address);
   bind(&end_profiler_check);
 
   if (FLAG_log_timer_events) {
     FrameScope frame(this, StackFrame::MANUAL);
     PushSafepointRegisters();
     PrepareCallCFunction(1, eax);
     mov(Operand(esp, 0),
         Immediate(ExternalReference::isolate_address(isolate())));
     CallCFunction(ExternalReference::log_leave_external_function(isolate()), 1);
     PopSafepointRegisters();
@@ skipping 1286 matching lines @@
   cmp(scratch1, Immediate(DICTIONARY_ELEMENTS));
   j(equal, found);
   mov(current, FieldOperand(current, Map::kPrototypeOffset));
   cmp(current, Immediate(factory->null_value()));
   j(not_equal, &loop_again);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32