| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/compiler/linkage.h" |
| |
| #include "src/code-stubs.h" |
| #include "src/compiler.h" |
| #include "src/compiler/node.h" |
| #include "src/compiler/pipeline.h" |
| #include "src/scopes.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| |
| std::ostream& operator<<(std::ostream& os, const CallDescriptor::Kind& k) { |
| switch (k) { |
| case CallDescriptor::kCallCodeObject: |
| os << "Code"; |
| break; |
| case CallDescriptor::kCallJSFunction: |
| os << "JS"; |
| break; |
| case CallDescriptor::kCallAddress: |
| os << "Addr"; |
| break; |
| } |
| return os; |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, const CallDescriptor& d) { |
| // TODO(svenpanne) Output properties etc. and be less cryptic. |
| return os << d.kind() << ":" << d.debug_name() << ":r" << d.ReturnCount() |
| << "j" << d.JSParameterCount() << "i" << d.InputCount() << "f" |
| << d.FrameStateCount(); |
| } |
| |
| |
| CallDescriptor* Linkage::ComputeIncoming(Zone* zone, CompilationInfo* info) { |
| if (info->function() != NULL) { |
| // If we already have the function literal, use the number of parameters |
| // plus the receiver. |
| return GetJSCallDescriptor(1 + info->function()->parameter_count(), zone); |
| } |
| if (!info->closure().is_null()) { |
| // If we are compiling a JS function, use a JS call descriptor, |
| // plus the receiver. |
| SharedFunctionInfo* shared = info->closure()->shared(); |
| return GetJSCallDescriptor(1 + shared->formal_parameter_count(), zone); |
| } |
| if (info->code_stub() != NULL) { |
| // Use the code stub interface descriptor. |
| CallInterfaceDescriptor descriptor = |
| info->code_stub()->GetCallInterfaceDescriptor(); |
| return GetStubCallDescriptor(descriptor, 0, CallDescriptor::kNoFlags, zone); |
| } |
| return NULL; // TODO(titzer): ? |
| } |
| |
| |
| FrameOffset Linkage::GetFrameOffset(int spill_slot, Frame* frame, |
| int extra) const { |
| if (frame->GetSpillSlotCount() > 0 || incoming_->IsJSFunctionCall() || |
| incoming_->kind() == CallDescriptor::kCallAddress) { |
| int offset; |
| int register_save_area_size = frame->GetRegisterSaveAreaSize(); |
| if (spill_slot >= 0) { |
| // Local or spill slot. Skip the frame pointer, function, and |
| // context in the fixed part of the frame. |
| offset = |
| -(spill_slot + 1) * kPointerSize - register_save_area_size + extra; |
| } else { |
| // Incoming parameter. Skip the return address. |
| offset = -(spill_slot + 1) * kPointerSize + kFPOnStackSize + |
| kPCOnStackSize + extra; |
| } |
| return FrameOffset::FromFramePointer(offset); |
| } else { |
| // No frame. Retrieve all parameters relative to stack pointer. |
| DCHECK(spill_slot < 0); // Must be a parameter. |
| int register_save_area_size = frame->GetRegisterSaveAreaSize(); |
| int offset = register_save_area_size - (spill_slot + 1) * kPointerSize + |
| kPCOnStackSize + extra; |
| return FrameOffset::FromStackPointer(offset); |
| } |
| } |
| |
| |
| CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count) const { |
| return GetJSCallDescriptor(parameter_count, zone_); |
| } |
| |
| |
| CallDescriptor* Linkage::GetRuntimeCallDescriptor( |
| Runtime::FunctionId function, int parameter_count, |
| Operator::Properties properties) const { |
| return GetRuntimeCallDescriptor(function, parameter_count, properties, zone_); |
| } |
| |
| |
| CallDescriptor* Linkage::GetStubCallDescriptor( |
| CallInterfaceDescriptor descriptor, int stack_parameter_count, |
| CallDescriptor::Flags flags) const { |
| return GetStubCallDescriptor(descriptor, stack_parameter_count, flags, zone_); |
| } |
| |
| |
| // static |
| bool Linkage::NeedsFrameState(Runtime::FunctionId function) { |
| if (!FLAG_turbo_deoptimization) { |
| return false; |
| } |
| // TODO(jarin) At the moment, we only add frame state for |
| // few chosen runtime functions. |
| switch (function) { |
| case Runtime::kApply: |
| case Runtime::kArrayBufferNeuter: |
| case Runtime::kArrayConcat: |
| case Runtime::kBasicJSONStringify: |
| case Runtime::kCheckExecutionState: |
| case Runtime::kCollectStackTrace: |
| case Runtime::kCompileLazy: |
| case Runtime::kCompileOptimized: |
| case Runtime::kCompileString: |
| case Runtime::kCreateObjectLiteral: |
| case Runtime::kDebugBreak: |
| case Runtime::kDataViewSetInt8: |
| case Runtime::kDataViewSetUint8: |
| case Runtime::kDataViewSetInt16: |
| case Runtime::kDataViewSetUint16: |
| case Runtime::kDataViewSetInt32: |
| case Runtime::kDataViewSetUint32: |
| case Runtime::kDataViewSetFloat32: |
| case Runtime::kDataViewSetFloat64: |
| case Runtime::kDataViewGetInt8: |
| case Runtime::kDataViewGetUint8: |
| case Runtime::kDataViewGetInt16: |
| case Runtime::kDataViewGetUint16: |
| case Runtime::kDataViewGetInt32: |
| case Runtime::kDataViewGetUint32: |
| case Runtime::kDataViewGetFloat32: |
| case Runtime::kDataViewGetFloat64: |
| case Runtime::kDebugEvaluate: |
| case Runtime::kDebugEvaluateGlobal: |
| case Runtime::kDebugGetLoadedScripts: |
| case Runtime::kDebugGetPropertyDetails: |
| case Runtime::kDebugPromiseEvent: |
| case Runtime::kDefineAccessorPropertyUnchecked: |
| case Runtime::kDefineDataPropertyUnchecked: |
| case Runtime::kDeleteProperty: |
| case Runtime::kDeoptimizeFunction: |
| case Runtime::kFunctionBindArguments: |
| case Runtime::kGetDefaultReceiver: |
| case Runtime::kGetFrameCount: |
| case Runtime::kGetOwnProperty: |
| case Runtime::kGetOwnPropertyNames: |
| case Runtime::kGetPropertyNamesFast: |
| case Runtime::kGetPrototype: |
| case Runtime::kInlineArguments: |
| case Runtime::kInlineCallFunction: |
| case Runtime::kInlineDateField: |
| case Runtime::kInlineRegExpExec: |
| case Runtime::kInternalSetPrototype: |
| case Runtime::kInterrupt: |
| case Runtime::kIsPropertyEnumerable: |
| case Runtime::kIsSloppyModeFunction: |
| case Runtime::kLiveEditGatherCompileInfo: |
| case Runtime::kLoadLookupSlot: |
| case Runtime::kLoadLookupSlotNoReferenceError: |
| case Runtime::kMaterializeRegExpLiteral: |
| case Runtime::kNewObject: |
| case Runtime::kNewObjectFromBound: |
| case Runtime::kNewObjectWithAllocationSite: |
| case Runtime::kObjectFreeze: |
| case Runtime::kOwnKeys: |
| case Runtime::kParseJson: |
| case Runtime::kPrepareStep: |
| case Runtime::kPreventExtensions: |
| case Runtime::kPromiseRejectEvent: |
| case Runtime::kPromiseRevokeReject: |
| case Runtime::kRegExpCompile: |
| case Runtime::kRegExpExecMultiple: |
| case Runtime::kResolvePossiblyDirectEval: |
| case Runtime::kSetPrototype: |
| case Runtime::kSetScriptBreakPoint: |
| case Runtime::kSparseJoinWithSeparator: |
| case Runtime::kStackGuard: |
| case Runtime::kStoreKeyedToSuper_Sloppy: |
| case Runtime::kStoreKeyedToSuper_Strict: |
| case Runtime::kStoreToSuper_Sloppy: |
| case Runtime::kStoreToSuper_Strict: |
| case Runtime::kStoreLookupSlot: |
| case Runtime::kStringBuilderConcat: |
| case Runtime::kStringBuilderJoin: |
| case Runtime::kStringReplaceGlobalRegExpWithString: |
| case Runtime::kThrowNonMethodError: |
| case Runtime::kThrowNotDateError: |
| case Runtime::kThrowReferenceError: |
| case Runtime::kThrowUnsupportedSuperError: |
| case Runtime::kThrow: |
| case Runtime::kTypedArraySetFastCases: |
| case Runtime::kTypedArrayInitializeFromArrayLike: |
| #ifdef V8_I18N_SUPPORT |
| case Runtime::kGetImplFromInitializedIntlObject: |
| #endif |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| |
| //============================================================================== |
| // Provide unimplemented methods on unsupported architectures, to at least link. |
| //============================================================================== |
| #if !V8_TURBOFAN_BACKEND |
| CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| |
| CallDescriptor* Linkage::GetRuntimeCallDescriptor( |
| Runtime::FunctionId function, int parameter_count, |
| Operator::Properties properties, Zone* zone) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| |
| CallDescriptor* Linkage::GetStubCallDescriptor( |
| CallInterfaceDescriptor descriptor, int stack_parameter_count, |
| CallDescriptor::Flags flags, Zone* zone) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| |
| CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone, |
| MachineSignature* sig) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| #endif // !V8_TURBOFAN_BACKEND |
| } |
| } |
| } // namespace v8::internal::compiler |