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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef V8_WASM_MODULE_H_ | 5 #ifndef V8_WASM_MODULE_H_ |
6 #define V8_WASM_MODULE_H_ | 6 #define V8_WASM_MODULE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "src/api.h" | 10 #include "src/api.h" |
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314 | 314 |
315 Handle<Code> GetFunctionCode(uint32_t index) { | 315 Handle<Code> GetFunctionCode(uint32_t index) { |
316 DCHECK_NOT_NULL(instance); | 316 DCHECK_NOT_NULL(instance); |
317 return instance->function_code[index]; | 317 return instance->function_code[index]; |
318 } | 318 } |
319 | 319 |
320 static compiler::CallDescriptor* GetWasmCallDescriptor(Zone* zone, | 320 static compiler::CallDescriptor* GetWasmCallDescriptor(Zone* zone, |
321 FunctionSig* sig); | 321 FunctionSig* sig); |
322 static compiler::CallDescriptor* GetI32WasmCallDescriptor( | 322 static compiler::CallDescriptor* GetI32WasmCallDescriptor( |
323 Zone* zone, compiler::CallDescriptor* descriptor); | 323 Zone* zone, compiler::CallDescriptor* descriptor); |
324 compiler::CallDescriptor* GetCallDescriptor(Zone* zone, uint32_t index); | |
325 }; | 324 }; |
326 | 325 |
327 // A helper for printing out the names of functions. | 326 // A helper for printing out the names of functions. |
328 struct WasmFunctionName { | 327 struct WasmFunctionName { |
329 const WasmFunction* function_; | 328 const WasmFunction* function_; |
330 const WasmModule* module_; | 329 const WasmModule* module_; |
331 WasmFunctionName(const WasmFunction* function, const ModuleEnv* menv) | 330 WasmFunctionName(const WasmFunction* function, const ModuleEnv* menv) |
332 : function_(function), module_(menv ? menv->module : nullptr) {} | 331 : function_(function), module_(menv ? menv->module : nullptr) {} |
333 }; | 332 }; |
334 | 333 |
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503 V8_EXPORT_PRIVATE bool ValidateModuleBytes(Isolate* isolate, const byte* start, | 502 V8_EXPORT_PRIVATE bool ValidateModuleBytes(Isolate* isolate, const byte* start, |
504 const byte* end, | 503 const byte* end, |
505 ErrorThrower* thrower, | 504 ErrorThrower* thrower, |
506 ModuleOrigin origin); | 505 ModuleOrigin origin); |
507 | 506 |
508 // Get the number of imported functions for a WASM instance. | 507 // Get the number of imported functions for a WASM instance. |
509 uint32_t GetNumImportedFunctions(Handle<JSObject> wasm_object); | 508 uint32_t GetNumImportedFunctions(Handle<JSObject> wasm_object); |
510 | 509 |
511 // Assumed to be called with a code object associated to a wasm module instance. | 510 // Assumed to be called with a code object associated to a wasm module instance. |
512 // Intended to be called from runtime functions. | 511 // Intended to be called from runtime functions. |
513 // Returns undefined if the runtime support was not setup, nullptr if the | 512 // Returns nullptr on failing to get owning instance. |
514 // instance | 513 Object* GetOwningWasmInstance(Code* code); |
515 // was collected, or the instance object owning the Code object | |
516 Object* GetOwningWasmInstance(Object* undefined, Code* code); | |
517 | 514 |
518 MaybeHandle<JSArrayBuffer> GetInstanceMemory(Isolate* isolate, | 515 MaybeHandle<JSArrayBuffer> GetInstanceMemory(Isolate* isolate, |
519 Handle<JSObject> instance); | 516 Handle<JSObject> instance); |
520 void SetInstanceMemory(Handle<JSObject> instance, JSArrayBuffer* buffer); | 517 void SetInstanceMemory(Handle<JSObject> instance, JSArrayBuffer* buffer); |
521 | 518 |
522 namespace testing { | 519 namespace testing { |
523 | 520 |
524 void ValidateInstancesChain(Isolate* isolate, Handle<JSObject> module_obj, | 521 void ValidateInstancesChain(Isolate* isolate, Handle<JSObject> module_obj, |
525 int instance_count); | 522 int instance_count); |
526 void ValidateModuleState(Isolate* isolate, Handle<JSObject> module_obj); | 523 void ValidateModuleState(Isolate* isolate, Handle<JSObject> module_obj); |
527 void ValidateOrphanedInstance(Isolate* isolate, Handle<JSObject> instance); | 524 void ValidateOrphanedInstance(Isolate* isolate, Handle<JSObject> instance); |
528 | 525 |
529 } // namespace testing | 526 } // namespace testing |
530 } // namespace wasm | 527 } // namespace wasm |
531 } // namespace internal | 528 } // namespace internal |
532 } // namespace v8 | 529 } // namespace v8 |
533 | 530 |
534 #endif // V8_WASM_MODULE_H_ | 531 #endif // V8_WASM_MODULE_H_ |
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