Version 3.19.17.

src/ia32/stub-cache-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 485 matching lines @@
          Immediate(reinterpret_cast<int>(masm->isolate())));
   __ mov(Operand(esp, 5 * kPointerSize),
          masm->isolate()->factory()->undefined_value());
   __ mov(Operand(esp, 6 * kPointerSize),
          masm->isolate()->factory()->undefined_value());
 
   // Prepare arguments.
   STATIC_ASSERT(kFastApiCallArguments == 6);
   __ lea(eax, Operand(esp, kFastApiCallArguments * kPointerSize));
 
-
-  // API function gets reference to the v8::Arguments. If CPU profiler
-  // is enabled wrapper function will be called and we need to pass
-  // address of the callback as additional parameter, always allocate
-  // space for it.
-  const int kApiArgc = 1 + 1;
+  const int kApiArgc = 1;  // API function gets reference to the v8::Arguments.
 
   // Allocate the v8::Arguments structure in the arguments' space since
   // it's not controlled by GC.
   const int kApiStackSpace = 4;
 
   // Function address is a foreign pointer outside V8's heap.
   Address function_address = v8::ToCData<Address>(api_call_info->callback());
   bool returns_handle =
     !CallbackTable::ReturnsVoid(masm->isolate(),
                                 reinterpret_cast<void*>(function_address));
   __ PrepareCallApiFunction(kApiArgc + kApiStackSpace, returns_handle);
 
   // v8::Arguments::implicit_args_.
-  __ mov(ApiParameterOperand(2, returns_handle), eax);
+  __ mov(ApiParameterOperand(1, returns_handle), eax);
   __ add(eax, Immediate(argc * kPointerSize));
   // v8::Arguments::values_.
-  __ mov(ApiParameterOperand(3, returns_handle), eax);
+  __ mov(ApiParameterOperand(2, returns_handle), eax);
   // v8::Arguments::length_.
-  __ Set(ApiParameterOperand(4, returns_handle), Immediate(argc));
+  __ Set(ApiParameterOperand(3, returns_handle), Immediate(argc));
   // v8::Arguments::is_construct_call_.
-  __ Set(ApiParameterOperand(5, returns_handle), Immediate(0));
+  __ Set(ApiParameterOperand(4, returns_handle), Immediate(0));
 
   // v8::InvocationCallback's argument.
-  __ lea(eax, ApiParameterOperand(2, returns_handle));
+  __ lea(eax, ApiParameterOperand(1, returns_handle));
   __ mov(ApiParameterOperand(0, returns_handle), eax);
 
-  Address thunk_address = returns_handle
-      ? FUNCTION_ADDR(&InvokeInvocationCallback)
-      : FUNCTION_ADDR(&InvokeFunctionCallback);
-
   __ CallApiFunctionAndReturn(function_address,
-                              thunk_address,
-                              ApiParameterOperand(1, returns_handle),
                               argc + kFastApiCallArguments + 1,
                               returns_handle,
                               kFastApiCallArguments + 1);
 }
 
 
 class CallInterceptorCompiler BASE_EMBEDDED {
  public:
   CallInterceptorCompiler(StubCompiler* stub_compiler,
                           const ParameterCount& arguments,
@@ skipping 288 matching lines @@
             miss_restore_name);
       } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) {
         GenerateDictionaryNegativeLookup(
             masm, miss_restore_name, holder_reg, name, scratch1, scratch2);
       }
     }
   }
 
   Register storage_reg = name_reg;
 
-  if (details.type() == CONSTANT_FUNCTION) {
-    Handle<HeapObject> constant(
-        HeapObject::cast(descriptors->GetValue(descriptor)));
-    __ LoadHeapObject(scratch1, constant);
-    __ cmp(value_reg, scratch1);
-    __ j(not_equal, miss_restore_name);
-  } else if (FLAG_track_fields && representation.IsSmi()) {
-      __ JumpIfNotSmi(value_reg, miss_restore_name);
+  if (FLAG_track_fields && representation.IsSmi()) {
+    __ JumpIfNotSmi(value_reg, miss_restore_name);
   } else if (FLAG_track_heap_object_fields && representation.IsHeapObject()) {
     __ JumpIfSmi(value_reg, miss_restore_name);
   } else if (FLAG_track_double_fields && representation.IsDouble()) {
     Label do_store, heap_number;
     __ AllocateHeapNumber(storage_reg, scratch1, scratch2, slow);
 
     __ JumpIfNotSmi(value_reg, &heap_number);
     __ SmiUntag(value_reg);
     if (CpuFeatures::IsSupported(SSE2)) {
       CpuFeatureScope use_sse2(masm, SSE2);
@@ skipping 23 matching lines @@
     } else {
       __ fstp_d(FieldOperand(storage_reg, HeapNumber::kValueOffset));
     }
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
   // Perform map transition for the receiver if necessary.
-  if (details.type() == FIELD &&
-      object->map()->unused_property_fields() == 0) {
+  if (object->map()->unused_property_fields() == 0) {
     // The properties must be extended before we can store the value.
     // We jump to a runtime call that extends the properties array.
     __ pop(scratch1);  // Return address.
     __ push(receiver_reg);
     __ push(Immediate(transition));
     __ push(value_reg);
     __ push(scratch1);
     __ TailCallExternalReference(
         ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage),
                           masm->isolate()),
         3,
         1);
     return;
   }
 
   // Update the map of the object.
   __ mov(scratch1, Immediate(transition));
   __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset), scratch1);
 
   // Update the write barrier for the map field.
   __ RecordWriteField(receiver_reg,
                       HeapObject::kMapOffset,
                       scratch1,
                       scratch2,
                       kDontSaveFPRegs,
                       OMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
 
-  if (details.type() == CONSTANT_FUNCTION) return;
-
   int index = transition->instance_descriptors()->GetFieldIndex(
       transition->LastAdded());
 
   // Adjust for the number of properties stored in the object. Even in the
   // face of a transition we can use the old map here because the size of the
   // object and the number of in-object properties is not going to change.
   index -= object->map()->inobject_properties();
 
   SmiCheck smi_check = representation.IsTagged()
       ? INLINE_SMI_CHECK : OMIT_SMI_CHECK;
@@ skipping 473 matching lines @@
   __ push(scratch2());
 
   __ push(name());  // name
   __ mov(ebx, esp);  // esp points to reference to name (handler).
 
   __ push(scratch3());  // Restore return address.
 
   // array for v8::Arguments::values_, handler for name and pointer
   // to the values (it considered as smi in GC).
   const int kStackSpace = PropertyCallbackArguments::kArgsLength + 2;
-  // Allocate space for opional callback address parameter in case
-  // CPU profiler is active.
-  const int kApiArgc = 2 + 1;
+  const int kApiArgc = 2;
 
   Address getter_address = v8::ToCData<Address>(callback->getter());
   bool returns_handle =
     !CallbackTable::ReturnsVoid(isolate(),
                                 reinterpret_cast<void*>(getter_address));
   __ PrepareCallApiFunction(kApiArgc, returns_handle);
   __ mov(ApiParameterOperand(0, returns_handle), ebx);  // name.
   __ add(ebx, Immediate(kPointerSize));
   __ mov(ApiParameterOperand(1, returns_handle), ebx);  // arguments pointer.
 
   // Emitting a stub call may try to allocate (if the code is not
   // already generated).  Do not allow the assembler to perform a
   // garbage collection but instead return the allocation failure
   // object.
 
-  Address thunk_address = returns_handle
-      ? FUNCTION_ADDR(&InvokeAccessorGetter)
-      : FUNCTION_ADDR(&InvokeAccessorGetterCallback);
-
   __ CallApiFunctionAndReturn(getter_address,
-                              thunk_address,
-                              ApiParameterOperand(2, returns_handle),
                               kStackSpace,
                               returns_handle,
                               6);
 }
 
 
 void BaseLoadStubCompiler::GenerateLoadConstant(Handle<JSFunction> value) {
   // Return the constant value.
   __ LoadHeapObject(eax, value);
   __ ret(0);
@@ skipping 2307 matching lines @@
     TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32