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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_CODE_STUBS_H_ | 28 #ifndef V8_CODE_STUBS_H_ |
29 #define V8_CODE_STUBS_H_ | 29 #define V8_CODE_STUBS_H_ |
30 | 30 |
31 #include "allocation.h" | 31 #include "allocation.h" |
32 #include "assembler.h" | 32 #include "assembler.h" |
| 33 #include "codegen.h" |
33 #include "globals.h" | 34 #include "globals.h" |
34 #include "codegen.h" | 35 #include "macro-assembler.h" |
35 | 36 |
36 namespace v8 { | 37 namespace v8 { |
37 namespace internal { | 38 namespace internal { |
38 | 39 |
39 // List of code stubs used on all platforms. | 40 // List of code stubs used on all platforms. |
40 #define CODE_STUB_LIST_ALL_PLATFORMS(V) \ | 41 #define CODE_STUB_LIST_ALL_PLATFORMS(V) \ |
41 V(CallFunction) \ | 42 V(CallFunction) \ |
42 V(CallConstruct) \ | 43 V(CallConstruct) \ |
43 V(BinaryOp) \ | 44 V(BinaryOp) \ |
44 V(StringAdd) \ | 45 V(StringAdd) \ |
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273 virtual void Generate(MacroAssembler* masm) = 0; | 274 virtual void Generate(MacroAssembler* masm) = 0; |
274 }; | 275 }; |
275 | 276 |
276 | 277 |
277 enum StubFunctionMode { NOT_JS_FUNCTION_STUB_MODE, JS_FUNCTION_STUB_MODE }; | 278 enum StubFunctionMode { NOT_JS_FUNCTION_STUB_MODE, JS_FUNCTION_STUB_MODE }; |
278 | 279 |
279 | 280 |
280 struct CodeStubInterfaceDescriptor { | 281 struct CodeStubInterfaceDescriptor { |
281 CodeStubInterfaceDescriptor(); | 282 CodeStubInterfaceDescriptor(); |
282 int register_param_count_; | 283 int register_param_count_; |
283 const Register* stack_parameter_count_; | 284 Register stack_parameter_count_; |
284 // if hint_stack_parameter_count_ > 0, the code stub can optimize the | 285 // if hint_stack_parameter_count_ > 0, the code stub can optimize the |
285 // return sequence. Default value is -1, which means it is ignored. | 286 // return sequence. Default value is -1, which means it is ignored. |
286 int hint_stack_parameter_count_; | 287 int hint_stack_parameter_count_; |
287 StubFunctionMode function_mode_; | 288 StubFunctionMode function_mode_; |
288 Register* register_params_; | 289 Register* register_params_; |
289 Address deoptimization_handler_; | 290 Address deoptimization_handler_; |
290 | 291 |
291 int environment_length() const { | 292 int environment_length() const { |
292 if (stack_parameter_count_ != NULL) { | 293 if (stack_parameter_count_.is_valid()) { |
293 return register_param_count_ + 1; | 294 return register_param_count_ + 1; |
294 } | 295 } |
295 return register_param_count_; | 296 return register_param_count_; |
296 } | 297 } |
297 | 298 |
298 bool initialized() const { return register_param_count_ >= 0; } | 299 bool initialized() const { return register_param_count_ >= 0; } |
299 | 300 |
300 void SetMissHandler(ExternalReference handler) { | 301 void SetMissHandler(ExternalReference handler) { |
301 miss_handler_ = handler; | 302 miss_handler_ = handler; |
302 has_miss_handler_ = true; | 303 has_miss_handler_ = true; |
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313 | 314 |
314 private: | 315 private: |
315 ExternalReference miss_handler_; | 316 ExternalReference miss_handler_; |
316 bool has_miss_handler_; | 317 bool has_miss_handler_; |
317 }; | 318 }; |
318 | 319 |
319 // A helper to make up for the fact that type Register is not fully | 320 // A helper to make up for the fact that type Register is not fully |
320 // defined outside of the platform directories | 321 // defined outside of the platform directories |
321 #define DESCRIPTOR_GET_PARAMETER_REGISTER(descriptor, index) \ | 322 #define DESCRIPTOR_GET_PARAMETER_REGISTER(descriptor, index) \ |
322 ((index) == (descriptor)->register_param_count_) \ | 323 ((index) == (descriptor)->register_param_count_) \ |
323 ? *((descriptor)->stack_parameter_count_) \ | 324 ? (descriptor)->stack_parameter_count_ \ |
324 : (descriptor)->register_params_[(index)] | 325 : (descriptor)->register_params_[(index)] |
325 | 326 |
326 | 327 |
327 class HydrogenCodeStub : public CodeStub { | 328 class HydrogenCodeStub : public CodeStub { |
328 public: | 329 public: |
329 enum InitializationState { | 330 enum InitializationState { |
330 UNINITIALIZED, | 331 UNINITIALIZED, |
331 INITIALIZED | 332 INITIALIZED |
332 }; | 333 }; |
333 | 334 |
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2356 int MinorKey() { return 0; } | 2357 int MinorKey() { return 0; } |
2357 | 2358 |
2358 void Generate(MacroAssembler* masm); | 2359 void Generate(MacroAssembler* masm); |
2359 | 2360 |
2360 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); | 2361 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); |
2361 }; | 2362 }; |
2362 | 2363 |
2363 } } // namespace v8::internal | 2364 } } // namespace v8::internal |
2364 | 2365 |
2365 #endif // V8_CODE_STUBS_H_ | 2366 #endif // V8_CODE_STUBS_H_ |
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