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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_NATIVE_ARGUMENTS_H_ | 5 #ifndef VM_NATIVE_ARGUMENTS_H_ |
6 #define VM_NATIVE_ARGUMENTS_H_ | 6 #define VM_NATIVE_ARGUMENTS_H_ |
7 | 7 |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 #include "vm/globals.h" | 9 #include "vm/globals.h" |
10 #include "vm/stub_code.h" | 10 #include "vm/stub_code.h" |
11 | 11 |
12 namespace dart { | 12 namespace dart { |
13 | 13 |
14 // Forward declarations. | 14 // Forward declarations. |
15 class BootstrapNatives; | 15 class BootstrapNatives; |
16 class Isolate; | 16 class Isolate; |
17 class Object; | 17 class Object; |
18 class RawObject; | 18 class RawObject; |
| 19 class Simulator; |
19 | 20 |
20 | 21 |
21 #if defined(TESTING) || defined(DEBUG) | 22 #if defined(TESTING) || defined(DEBUG) |
22 | 23 |
23 #if defined(TARGET_OS_WINDOWS) | 24 #if defined(TARGET_OS_WINDOWS) |
24 // The compiler may dynamically align the stack on Windows, so do not check. | 25 // The compiler may dynamically align the stack on Windows, so do not check. |
25 #define CHECK_STACK_ALIGNMENT { } | 26 #define CHECK_STACK_ALIGNMENT { } |
26 #else | 27 #else |
27 #define CHECK_STACK_ALIGNMENT { \ | 28 #define CHECK_STACK_ALIGNMENT { \ |
28 uword (*func)() = \ | 29 uword (*func)() = \ |
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144 enum ArgcTagBits { | 145 enum ArgcTagBits { |
145 kArgcBit = 0, | 146 kArgcBit = 0, |
146 kArgcSize = 24, | 147 kArgcSize = 24, |
147 kInstanceFunctionBit = 24, | 148 kInstanceFunctionBit = 24, |
148 kClosureFunctionBit = 25, | 149 kClosureFunctionBit = 25, |
149 }; | 150 }; |
150 class ArgcBits : public BitField<int, kArgcBit, kArgcSize> {}; | 151 class ArgcBits : public BitField<int, kArgcBit, kArgcSize> {}; |
151 class InstanceFunctionBit : public BitField<bool, kInstanceFunctionBit, 1> {}; | 152 class InstanceFunctionBit : public BitField<bool, kInstanceFunctionBit, 1> {}; |
152 class ClosureFunctionBit : public BitField<bool, kClosureFunctionBit, 1> {}; | 153 class ClosureFunctionBit : public BitField<bool, kClosureFunctionBit, 1> {}; |
153 friend class BootstrapNatives; | 154 friend class BootstrapNatives; |
| 155 friend class Simulator; |
154 friend void SetReturnValueHelper(Dart_NativeArguments, Dart_Handle); | 156 friend void SetReturnValueHelper(Dart_NativeArguments, Dart_Handle); |
155 | 157 |
156 // Since this function is passed a RawObject directly, we need to be | 158 // Since this function is passed a RawObject directly, we need to be |
157 // exceedingly careful when we use it. If there are any other side | 159 // exceedingly careful when we use it. If there are any other side |
158 // effects in the statement that may cause GC, it could lead to | 160 // effects in the statement that may cause GC, it could lead to |
159 // bugs. | 161 // bugs. |
160 void SetReturnUnsafe(RawObject* value) const; | 162 void SetReturnUnsafe(RawObject* value) const; |
161 | 163 |
162 Isolate* isolate_; // Current isolate pointer. | 164 Isolate* isolate_; // Current isolate pointer. |
163 int argc_tag_; // Encodes argument count and invoked native call type. | 165 int argc_tag_; // Encodes argument count and invoked native call type. |
164 RawObject*(*argv_)[]; // Pointer to an array of arguments to runtime call. | 166 RawObject*(*argv_)[]; // Pointer to an array of arguments to runtime call. |
165 RawObject** retval_; // Pointer to the return value area. | 167 RawObject** retval_; // Pointer to the return value area. |
166 }; | 168 }; |
167 | 169 |
168 } // namespace dart | 170 } // namespace dart |
169 | 171 |
170 #endif // VM_NATIVE_ARGUMENTS_H_ | 172 #endif // VM_NATIVE_ARGUMENTS_H_ |
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