Version 3.19.17.

src/x64/stub-cache-x64.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 473 matching lines @@
   STATIC_ASSERT(kFastApiCallArguments == 6);
   __ lea(rbx, Operand(rsp, kFastApiCallArguments * kPointerSize));
 
   // 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(), function_address);
 
 #if defined(__MINGW64__)
   Register arguments_arg = rcx;
-  Register callback_arg = rdx;
 #elif defined(_WIN64)
   // Win64 uses first register--rcx--for returned value.
   Register arguments_arg = returns_handle ? rdx : rcx;
-  Register callback_arg = returns_handle ? r8 : rdx;
 #else
   Register arguments_arg = rdi;
-  Register callback_arg = rsi;
 #endif
 
   // Allocate the v8::Arguments structure in the arguments' space since
   // it's not controlled by GC.
   const int kApiStackSpace = 4;
 
   __ PrepareCallApiFunction(kApiStackSpace, returns_handle);
 
   __ movq(StackSpaceOperand(0), rbx);  // v8::Arguments::implicit_args_.
   __ addq(rbx, Immediate(argc * kPointerSize));
   __ movq(StackSpaceOperand(1), rbx);  // v8::Arguments::values_.
   __ Set(StackSpaceOperand(2), argc);  // v8::Arguments::length_.
   // v8::Arguments::is_construct_call_.
   __ Set(StackSpaceOperand(3), 0);
 
   // v8::InvocationCallback's argument.
   __ lea(arguments_arg, StackSpaceOperand(0));
 
-  Address thunk_address = returns_handle
-      ? FUNCTION_ADDR(&InvokeInvocationCallback)
-      : FUNCTION_ADDR(&InvokeFunctionCallback);
-
   __ CallApiFunctionAndReturn(function_address,
-                              thunk_address,
-                              callback_arg,
                               argc + kFastApiCallArguments + 1,
                               returns_handle,
                               kFastApiCallArguments + 1);
 }
 
 
 class CallInterceptorCompiler BASE_EMBEDDED {
  public:
   CallInterceptorCompiler(StubCompiler* stub_compiler,
                           const ParameterCount& arguments,
@@ skipping 282 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);
-    __ cmpq(value_reg, scratch1);
-    __ j(not_equal, miss_restore_name);
-  } else if (FLAG_track_fields && representation.IsSmi()) {
+  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, slow);
 
     __ JumpIfNotSmi(value_reg, &heap_number);
     __ SmiToInteger32(scratch1, value_reg);
     __ cvtlsi2sd(xmm0, scratch1);
     __ jmp(&do_store);
 
     __ bind(&heap_number);
     __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(),
                 miss_restore_name, DONT_DO_SMI_CHECK);
     __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset));
 
     __ bind(&do_store);
     __ movsd(FieldOperand(storage_reg, HeapNumber::kValueOffset), xmm0);
   }
 
   // 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(transition);
     __ push(value_reg);
     __ push(scratch1);
     __ TailCallExternalReference(
         ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage),
                           masm->isolate()),
         3,
         1);
     return;
   }
 
   // Update the map of the object.
   __ Move(scratch1, transition);
   __ movq(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();
 
   // TODO(verwaest): Share this code as a code stub.
   SmiCheck smi_check = representation.IsTagged()
@@ skipping 425 matching lines @@
   __ PushAddress(ExternalReference::isolate_address(isolate()));
   __ push(name());  // name
   // Save a pointer to where we pushed the arguments pointer.  This will be
   // passed as the const ExecutableAccessorInfo& to the C++ callback.
 
   Address getter_address = v8::ToCData<Address>(callback->getter());
   bool returns_handle =
       !CallbackTable::ReturnsVoid(isolate(), getter_address);
 
 #if defined(__MINGW64__)
-  Register getter_arg = r8;
   Register accessor_info_arg = rdx;
   Register name_arg = rcx;
 #elif defined(_WIN64)
   // Win64 uses first register--rcx--for returned value.
-  Register getter_arg = returns_handle ? r9 : r8;
   Register accessor_info_arg = returns_handle ? r8 : rdx;
   Register name_arg = returns_handle ? rdx : rcx;
 #else
-  Register getter_arg = rdx;
   Register accessor_info_arg = rsi;
   Register name_arg = rdi;
 #endif
 
   ASSERT(!name_arg.is(scratch2()));
   __ movq(name_arg, rsp);
   __ push(scratch2());  // Restore return address.
 
   // v8::Arguments::values_ and handler for name.
   const int kStackSpace = PropertyCallbackArguments::kArgsLength + 1;
 
   // Allocate v8::AccessorInfo in non-GCed stack space.
   const int kArgStackSpace = 1;
 
   __ PrepareCallApiFunction(kArgStackSpace, returns_handle);
   STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 6);
   __ lea(rax, Operand(name_arg, 6 * kPointerSize));
 
   // v8::AccessorInfo::args_.
   __ movq(StackSpaceOperand(0), rax);
 
   // The context register (rsi) has been saved in PrepareCallApiFunction and
   // could be used to pass arguments.
   __ lea(accessor_info_arg, StackSpaceOperand(0));
 
-  Address thunk_address = returns_handle
-      ? FUNCTION_ADDR(&InvokeAccessorGetter)
-      : FUNCTION_ADDR(&InvokeAccessorGetterCallback);
-
   __ CallApiFunctionAndReturn(getter_address,
-                              thunk_address,
-                              getter_arg,
                               kStackSpace,
                               returns_handle,
                               5);
 }
 
 
 void BaseLoadStubCompiler::GenerateLoadConstant(Handle<JSFunction> value) {
   // Return the constant value.
   __ LoadHeapObject(rax, value);
   __ ret(0);
@@ skipping 2122 matching lines @@
     TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64