fec6e62dfb
R=rossberg@chromium.org Review URL: https://codereview.chromium.org/333013002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21894 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
106 lines
4.6 KiB
C++
106 lines
4.6 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "src/arguments.h"
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#include "src/vm-state-inl.h"
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namespace v8 {
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namespace internal {
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template<typename T>
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template<typename V>
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v8::Handle<V> CustomArguments<T>::GetReturnValue(Isolate* isolate) {
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// Check the ReturnValue.
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Object** handle = &this->begin()[kReturnValueOffset];
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// Nothing was set, return empty handle as per previous behaviour.
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if ((*handle)->IsTheHole()) return v8::Handle<V>();
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return Utils::Convert<Object, V>(Handle<Object>(handle));
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}
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v8::Handle<v8::Value> FunctionCallbackArguments::Call(FunctionCallback f) {
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Isolate* isolate = this->isolate();
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VMState<EXTERNAL> state(isolate);
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ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
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FunctionCallbackInfo<v8::Value> info(begin(),
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argv_,
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argc_,
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is_construct_call_);
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f(info);
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return GetReturnValue<v8::Value>(isolate);
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}
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#define WRITE_CALL_0(Function, ReturnValue) \
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v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f) { \
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Isolate* isolate = this->isolate(); \
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VMState<EXTERNAL> state(isolate); \
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ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
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PropertyCallbackInfo<ReturnValue> info(begin()); \
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f(info); \
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return GetReturnValue<ReturnValue>(isolate); \
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}
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#define WRITE_CALL_1(Function, ReturnValue, Arg1) \
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v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f, \
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Arg1 arg1) { \
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Isolate* isolate = this->isolate(); \
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VMState<EXTERNAL> state(isolate); \
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ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
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PropertyCallbackInfo<ReturnValue> info(begin()); \
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f(arg1, info); \
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return GetReturnValue<ReturnValue>(isolate); \
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}
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#define WRITE_CALL_2(Function, ReturnValue, Arg1, Arg2) \
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v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f, \
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Arg1 arg1, \
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Arg2 arg2) { \
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Isolate* isolate = this->isolate(); \
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VMState<EXTERNAL> state(isolate); \
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ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
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PropertyCallbackInfo<ReturnValue> info(begin()); \
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f(arg1, arg2, info); \
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return GetReturnValue<ReturnValue>(isolate); \
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}
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#define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2) \
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void PropertyCallbackArguments::Call(Function f, \
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Arg1 arg1, \
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Arg2 arg2) { \
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Isolate* isolate = this->isolate(); \
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VMState<EXTERNAL> state(isolate); \
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ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
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PropertyCallbackInfo<ReturnValue> info(begin()); \
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f(arg1, arg2, info); \
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}
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FOR_EACH_CALLBACK_TABLE_MAPPING_0(WRITE_CALL_0)
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FOR_EACH_CALLBACK_TABLE_MAPPING_1(WRITE_CALL_1)
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FOR_EACH_CALLBACK_TABLE_MAPPING_2(WRITE_CALL_2)
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FOR_EACH_CALLBACK_TABLE_MAPPING_2_VOID_RETURN(WRITE_CALL_2_VOID)
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#undef WRITE_CALL_0
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#undef WRITE_CALL_1
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#undef WRITE_CALL_2
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#undef WRITE_CALL_2_VOID
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double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) {
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// TODO(ulan): This clobbers only subset of registers depending on compiler,
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// Rewrite this in assembly to really clobber all registers.
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// GCC for ia32 uses the FPU and does not touch XMM registers.
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return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04;
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}
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} } // namespace v8::internal
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