Revision: 18962
Author: [email protected]
Date: Thu Jan 30 18:22:28 2014 UTC
Log: MIPS: stub api getters.
Port r18941 (517adbf)
BUG=
[email protected]
Review URL: https://codereview.chromium.org/148383017
Patch from Balazs Kilvady <[email protected]>.
http://code.google.com/p/v8/source/detail?r=18962
Modified:
/branches/bleeding_edge/src/mips/code-stubs-mips.cc
/branches/bleeding_edge/src/mips/stub-cache-mips.cc
=======================================
--- /branches/bleeding_edge/src/mips/code-stubs-mips.cc Wed Jan 29 13:10:35
2014 UTC
+++ /branches/bleeding_edge/src/mips/code-stubs-mips.cc Thu Jan 30 18:22:28
2014 UTC
@@ -5657,6 +5657,47 @@
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
+ // -- ...
+ // -- a3 : api_function_address
+ // -- a2 : thunk_last_arg
+ // -----------------------------------
+
+ Register api_function_address = a3;
+ Register thunk_last_arg = a2;
+
+ __ mov(a0, sp); // a0 = Handle<Name>
+ __ Addu(a1, a0, Operand(1 * kPointerSize)); // a1 = 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
+ // a1 (internal::Object** args_) as the data.
+ __ sw(a1, MemOperand(sp, 1 * kPointerSize));
+ __ Addu(a1, sp, Operand(1 * kPointerSize)); // a1 = 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 __
=======================================
--- /branches/bleeding_edge/src/mips/stub-cache-mips.cc Tue Jan 28 01:35:20
2014 UTC
+++ /branches/bleeding_edge/src/mips/stub-cache-mips.cc Thu Jan 30 18:22:28
2014 UTC
@@ -1313,40 +1313,19 @@
__ Addu(scratch2(), sp, 1 * kPointerSize);
__ mov(a2, scratch2()); // Saved in case scratch2 == a1.
- __ mov(a0, sp); // (first argument - a0) = Handle<Name>
+ // Abi for CallApiGetter.
+ Register getter_address_reg = a3;
+ Register thunk_last_arg = a2;
- const int kApiStackSpace = 1;
- FrameScope frame_scope(masm(), StackFrame::MANUAL);
- __ EnterExitFrame(false, kApiStackSpace);
-
- // Create PropertyAccessorInfo instance on the stack above the exit
frame with
- // scratch2 (internal::Object** args_) as the data.
- __ sw(a2, MemOperand(sp, kPointerSize));
- // (second argument - a1) = AccessorInfo&
- __ Addu(a1, sp, kPointerSize);
-
- const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
Address getter_address = v8::ToCData<Address>(callback->getter());
ApiFunction fun(getter_address);
ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL;
ExternalReference ref = ExternalReference(&fun, type, isolate());
- Register getter_address_reg = a3;
- Register thunk_last_arg = a2;
__ li(getter_address_reg, Operand(ref));
__ li(thunk_last_arg,
Operand(reinterpret_cast<int32_t>(getter_address)));
- 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,
- isolate());
- __ CallApiFunctionAndReturn(getter_address_reg,
- thunk_ref,
- thunk_last_arg,
- kStackUnwindSpace,
- MemOperand(fp, 6 * kPointerSize),
- NULL);
+ CallApiGetterStub stub;
+ __ TailCallStub(&stub);
}
--
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