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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/arguments.h" | 5 #include "src/arguments.h" |
| 6 | 6 |
| 7 #include "src/api.h" | |
| 8 #include "src/vm-state-inl.h" | |
| 9 | |
| 10 namespace v8 { | 7 namespace v8 { |
| 11 namespace internal { | 8 namespace internal { |
| 12 | 9 |
| 13 | |
| 14 template <typename T> | |
| 15 template <typename V> | |
| 16 v8::Local<V> CustomArguments<T>::GetReturnValue(Isolate* isolate) { | |
| 17 // Check the ReturnValue. | |
| 18 Object** handle = &this->begin()[kReturnValueOffset]; | |
| 19 // Nothing was set, return empty handle as per previous behaviour. | |
| 20 if ((*handle)->IsTheHole()) return v8::Local<V>(); | |
| 21 return Utils::Convert<Object, V>(Handle<Object>(handle)); | |
| 22 } | |
| 23 | |
| 24 | |
| 25 v8::Local<v8::Value> FunctionCallbackArguments::Call(FunctionCallback f) { | |
| 26 Isolate* isolate = this->isolate(); | |
| 27 VMState<EXTERNAL> state(isolate); | |
| 28 ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); | |
| 29 FunctionCallbackInfo<v8::Value> info(begin(), | |
| 30 argv_, | |
| 31 argc_, | |
| 32 is_construct_call_); | |
| 33 f(info); | |
| 34 return GetReturnValue<v8::Value>(isolate); | |
| 35 } | |
| 36 | |
| 37 | |
| 38 #define WRITE_CALL_0(Function, ReturnValue) \ | |
| 39 v8::Local<ReturnValue> PropertyCallbackArguments::Call(Function f) { \ | |
| 40 Isolate* isolate = this->isolate(); \ | |
| 41 VMState<EXTERNAL> state(isolate); \ | |
| 42 ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \ | |
| 43 PropertyCallbackInfo<ReturnValue> info(begin()); \ | |
| 44 f(info); \ | |
| 45 return GetReturnValue<ReturnValue>(isolate); \ | |
| 46 } | |
| 47 | |
| 48 | |
| 49 #define WRITE_CALL_1(Function, ReturnValue, Arg1) \ | |
| 50 v8::Local<ReturnValue> PropertyCallbackArguments::Call(Function f, \ | |
| 51 Arg1 arg1) { \ | |
| 52 Isolate* isolate = this->isolate(); \ | |
| 53 VMState<EXTERNAL> state(isolate); \ | |
| 54 ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \ | |
| 55 PropertyCallbackInfo<ReturnValue> info(begin()); \ | |
| 56 f(arg1, info); \ | |
| 57 return GetReturnValue<ReturnValue>(isolate); \ | |
| 58 } | |
| 59 | |
| 60 | |
| 61 #define WRITE_CALL_2(Function, ReturnValue, Arg1, Arg2) \ | |
| 62 v8::Local<ReturnValue> PropertyCallbackArguments::Call( \ | |
| 63 Function f, Arg1 arg1, Arg2 arg2) { \ | |
| 64 Isolate* isolate = this->isolate(); \ | |
| 65 VMState<EXTERNAL> state(isolate); \ | |
| 66 ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \ | |
| 67 PropertyCallbackInfo<ReturnValue> info(begin()); \ | |
| 68 f(arg1, arg2, info); \ | |
| 69 return GetReturnValue<ReturnValue>(isolate); \ | |
| 70 } | |
| 71 | |
| 72 | |
| 73 #define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2) \ | |
| 74 void PropertyCallbackArguments::Call(Function f, Arg1 arg1, Arg2 arg2) { \ | |
| 75 Isolate* isolate = this->isolate(); \ | |
| 76 VMState<EXTERNAL> state(isolate); \ | |
| 77 ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \ | |
| 78 PropertyCallbackInfo<ReturnValue> info(begin()); \ | |
| 79 f(arg1, arg2, info); \ | |
| 80 } | |
| 81 | |
| 82 | |
| 83 FOR_EACH_CALLBACK_TABLE_MAPPING_0(WRITE_CALL_0) | |
| 84 FOR_EACH_CALLBACK_TABLE_MAPPING_1(WRITE_CALL_1) | |
| 85 FOR_EACH_CALLBACK_TABLE_MAPPING_2(WRITE_CALL_2) | |
| 86 FOR_EACH_CALLBACK_TABLE_MAPPING_2_VOID_RETURN(WRITE_CALL_2_VOID) | |
| 87 | |
| 88 #undef WRITE_CALL_0 | |
| 89 #undef WRITE_CALL_1 | |
| 90 #undef WRITE_CALL_2 | |
| 91 #undef WRITE_CALL_2_VOID | |
| 92 | |
| 93 | |
| 94 double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) { | 10 double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) { |
| 95 // TODO(ulan): This clobbers only subset of registers depending on compiler, | 11 // TODO(ulan): This clobbers only subset of registers depending on compiler, |
| 96 // Rewrite this in assembly to really clobber all registers. | 12 // Rewrite this in assembly to really clobber all registers. |
| 97 // GCC for ia32 uses the FPU and does not touch XMM registers. | 13 // GCC for ia32 uses the FPU and does not touch XMM registers. |
| 98 return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04; | 14 return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04; |
| 99 } | 15 } |
| 100 | 16 |
| 101 | |
| 102 } // namespace internal | 17 } // namespace internal |
| 103 } // namespace v8 | 18 } // namespace v8 |
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