MIPS: Split AccessorInfo into DeclaredAccessorInfo and ExecutableAccessorInfo

src/mips/stub-cache-mips.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 1192 matching lines @@
   // Check that the maps haven't changed.
   CheckPrototypes(object, receiver, holder,
                   scratch1, scratch2, scratch3, name, miss);
 
   // Return the constant value.
   __ LoadHeapObject(v0, value);
   __ Ret();
 }
 
 
-void StubCompiler::GenerateDictionaryLoadCallback(Register receiver,
-                                                  Register name_reg,
-                                                  Register scratch1,
-                                                  Register scratch2,
-                                                  Register scratch3,
-                                                  Handle<AccessorInfo> callback,
-                                                  Handle<String> name,
-                                                  Label* miss) {
+void StubCompiler::GenerateDictionaryLoadCallback(
+    Register receiver,
+    Register name_reg,
+    Register scratch1,
+    Register scratch2,
+    Register scratch3,
+    Handle<ExecutableAccessorInfo> callback,
+    Handle<String> name,
+    Label* miss) {
   ASSERT(!receiver.is(scratch1));
   ASSERT(!receiver.is(scratch2));
   ASSERT(!receiver.is(scratch3));
 
   // Load the properties dictionary.
   Register dictionary = scratch1;
   __ lw(dictionary, FieldMemOperand(receiver, JSObject::kPropertiesOffset));
 
   // Probe the dictionary.
   Label probe_done;
@@ skipping 10 matching lines @@
   // pointer into the dictionary. Check that the value is the callback.
   Register pointer = scratch3;
   const int kElementsStartOffset = StringDictionary::kHeaderSize +
       StringDictionary::kElementsStartIndex * kPointerSize;
   const int kValueOffset = kElementsStartOffset + kPointerSize;
   __ lw(scratch2, FieldMemOperand(pointer, kValueOffset));
   __ Branch(miss, ne, scratch2, Operand(callback));
 }
 
 
-void StubCompiler::GenerateLoadCallback(Handle<JSObject> object,
-                                        Handle<JSObject> holder,
-                                        Register receiver,
-                                        Register name_reg,
-                                        Register scratch1,
-                                        Register scratch2,
-                                        Register scratch3,
-                                        Register scratch4,
-                                        Handle<AccessorInfo> callback,
-                                        Handle<String> name,
-                                        Label* miss) {
+void StubCompiler::GenerateLoadCallback(
+    Handle<JSObject> object,
+    Handle<JSObject> holder,
+    Register receiver,
+    Register name_reg,
+    Register scratch1,
+    Register scratch2,
+    Register scratch3,
+    Register scratch4,
+    Handle<ExecutableAccessorInfo> callback,
+    Handle<String> name,
+    Label* miss) {
   // Check that the receiver isn't a smi.
   __ JumpIfSmi(receiver, miss, scratch1);
 
   // Check that the maps haven't changed.
   Register reg = CheckPrototypes(object, receiver, holder, scratch1,
                                  scratch2, scratch3, name, miss);
 
   if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) {
     GenerateDictionaryLoadCallback(
         reg, name_reg, scratch2, scratch3, scratch4, callback, name, miss);
   }
 
   // Build AccessorInfo::args_ list on the stack and push property name below
   // the exit frame to make GC aware of them and store pointers to them.
   __ push(receiver);
   __ mov(scratch2, sp);  // scratch2 = AccessorInfo::args_
   if (heap()->InNewSpace(callback->data())) {
     __ li(scratch3, callback);
-    __ lw(scratch3, FieldMemOperand(scratch3, AccessorInfo::kDataOffset));
+    __ lw(scratch3,
+          FieldMemOperand(scratch3, ExecutableAccessorInfo::kDataOffset));
   } else {
     __ li(scratch3, Handle<Object>(callback->data()));
   }
   __ Subu(sp, sp, 4 * kPointerSize);
   __ sw(reg, MemOperand(sp, 3 * kPointerSize));
   __ sw(scratch3, MemOperand(sp, 2 * kPointerSize));
   __ li(scratch3, Operand(ExternalReference::isolate_address()));
   __ sw(scratch3, MemOperand(sp, 1 * kPointerSize));
   __ sw(name_reg, MemOperand(sp, 0 * kPointerSize));
 
@@ skipping 43 matching lines @@
   __ JumpIfSmi(receiver, miss);
 
   // So far the most popular follow ups for interceptor loads are FIELD
   // and CALLBACKS, so inline only them, other cases may be added
   // later.
   bool compile_followup_inline = false;
   if (lookup->IsFound() && lookup->IsCacheable()) {
     if (lookup->IsField()) {
       compile_followup_inline = true;
     } else if (lookup->type() == CALLBACKS &&
-        lookup->GetCallbackObject()->IsAccessorInfo()) {
-      AccessorInfo* callback = AccessorInfo::cast(lookup->GetCallbackObject());
+        lookup->GetCallbackObject()->IsExecutableAccessorInfo()) {
+      ExecutableAccessorInfo* callback =
+          ExecutableAccessorInfo::cast(lookup->GetCallbackObject());
       compile_followup_inline = callback->getter() != NULL &&
           callback->IsCompatibleReceiver(*object);
     }
   }
 
   if (compile_followup_inline) {
     // Compile the interceptor call, followed by inline code to load the
     // property from further up the prototype chain if the call fails.
     // Check that the maps haven't changed.
     Register holder_reg = CheckPrototypes(object, receiver, interceptor_holder,
@@ skipping 59 matching lines @@
       // We found FIELD property in prototype chain of interceptor's holder.
       // Retrieve a field from field's holder.
       GenerateFastPropertyLoad(masm(), v0, holder_reg,
                                Handle<JSObject>(lookup->holder()),
                                lookup->GetFieldIndex());
       __ Ret();
     } else {
       // We found CALLBACKS property in prototype chain of interceptor's
       // holder.
       ASSERT(lookup->type() == CALLBACKS);
-      Handle<AccessorInfo> callback(
-          AccessorInfo::cast(lookup->GetCallbackObject()));
+      Handle<ExecutableAccessorInfo> callback(
+          ExecutableAccessorInfo::cast(lookup->GetCallbackObject()));
       ASSERT(callback->getter() != NULL);
 
       // Tail call to runtime.
       // Important invariant in CALLBACKS case: the code above must be
       // structured to never clobber |receiver| register.
       __ li(scratch2, callback);
 
       __ Push(receiver, holder_reg);
       __ lw(scratch3,
-            FieldMemOperand(scratch2, AccessorInfo::kDataOffset));
+            FieldMemOperand(scratch2, ExecutableAccessorInfo::kDataOffset));
       __ li(scratch1, Operand(ExternalReference::isolate_address()));
       __ Push(scratch3, scratch1, scratch2, name_reg);
 
       ExternalReference ref =
           ExternalReference(IC_Utility(IC::kLoadCallbackProperty),
                             masm()->isolate());
       __ TailCallExternalReference(ref, 6, 1);
     }
   } else {  // !compile_followup_inline
     // Call the runtime system to load the interceptor.
@@ skipping 1240 matching lines @@
   return GetCode(transition.is_null()
                  ? Code::FIELD
                  : Code::MAP_TRANSITION, name);
 }
 
 
 Handle<Code> StoreStubCompiler::CompileStoreCallback(
     Handle<String> name,
     Handle<JSObject> receiver,
     Handle<JSObject> holder,
-    Handle<AccessorInfo> callback) {
+    Handle<ExecutableAccessorInfo> callback) {
   // ----------- S t a t e -------------
   //  -- a0    : value
   //  -- a1    : receiver
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
   Label miss;
   // Check that the maps haven't changed.
   __ JumpIfSmi(a1, &miss, a3);
   CheckPrototypes(receiver, a1, holder, a3, t0, t1, name, &miss);
@@ skipping 1511 matching lines @@
     __ Jump(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS