stub api getters

src/arm/code-stubs-arm.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 5444 matching lines @@
 
 void CallApiFunctionStub::Generate(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0                  : callee
   //  -- r4                  : call_data
   //  -- r2                  : holder
   //  -- r3                  : api_function_address
   //  -- r1                  : thunk_arg
   //  -- cp                  : context
   //  --
-  //  -- esp[0]              : last argument
+  //  -- sp[0]               : last argument
   //  -- ...
-  //  -- esp[(argc - 1)* 4]  : first argument
-  //  -- esp[argc * 4]       : receiver
+  //  -- sp[(argc - 1)* 4]   : first argument
+  //  -- sp[argc * 4]        : receiver
   // -----------------------------------
 
   Register callee = r0;
   Register call_data = r4;
   Register holder = r2;
   Register api_function_address = r3;
   Register thunk_arg = r1;
   Register context = cp;
 
   int argc = ArgumentBits::decode(bit_field_);
@@ skipping 81 matching lines @@
   __ CallApiFunctionAndReturn(api_function_address,
                               thunk_ref,
                               thunk_arg,
                               kStackUnwindSpace,
                               return_value_operand,
                               restore_context ?
                                   &context_restore_operand : NULL);
 }
 
 
+void CallApiGetterStub::Generate(MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- sp[0]                  : name
+  //  -- sp[4 - kArgsLength*4]  : PropertyCallbackArguments object
+  //  -- ...
+  //  -- r3                    : api_function_address
+  //  -- r2                    : thunk_last_arg
+  // -----------------------------------
+
+  Register api_function_address = r3;
+  Register thunk_last_arg = r2;
+
+  __ mov(r0, sp);  // r0 = Handle<Name>
+  __ add(r1, r0, Operand(1 * kPointerSize));  // r1 = PCA
+
+  const int kApiStackSpace = 1;
+  FrameScope frame_scope(masm, StackFrame::MANUAL);
+  __ EnterExitFrame(false, kApiStackSpace);
+
+  // Create PropertyAccessorInfo instance on the stack above the exit frame with
+  // r1 (internal::Object** args_) as the data.
+  __ str(r1, MemOperand(sp, 1 * kPointerSize));
+  __ add(r1, sp, Operand(1 * kPointerSize));  // r1 = AccessorInfo&
+
+  const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
+
+  Address thunk_address = FUNCTION_ADDR(&InvokeAccessorGetterCallback);
+  ExternalReference::Type thunk_type =
+      ExternalReference::PROFILING_GETTER_CALL;
+  ApiFunction thunk_fun(thunk_address);
+  ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type,
+      masm->isolate());
+  __ CallApiFunctionAndReturn(api_function_address,
+                              thunk_ref,
+                              thunk_last_arg,
+                              kStackUnwindSpace,
+                              MemOperand(fp, 6 * kPointerSize),
+                              NULL);
+}
+
+
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM