Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 5 | #include "src/code-stubs.h" |
| 6 | #include "src/compiler.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 7 | #include "src/compiler/linkage.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/compiler/node.h" |
| 9 | #include "src/compiler/pipeline.h" |
| 10 | #include "src/scopes.h" |
| 11 | |
| 12 | namespace v8 { |
| 13 | namespace internal { |
| 14 | namespace compiler { |
| 15 | |
| 16 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 17 | std::ostream& operator<<(std::ostream& os, const CallDescriptor::Kind& k) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 18 | switch (k) { |
| 19 | case CallDescriptor::kCallCodeObject: |
| 20 | os << "Code"; |
| 21 | break; |
| 22 | case CallDescriptor::kCallJSFunction: |
| 23 | os << "JS"; |
| 24 | break; |
| 25 | case CallDescriptor::kCallAddress: |
| 26 | os << "Addr"; |
| 27 | break; |
| 28 | } |
| 29 | return os; |
| 30 | } |
| 31 | |
| 32 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 33 | std::ostream& operator<<(std::ostream& os, const CallDescriptor& d) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 34 | // TODO(svenpanne) Output properties etc. and be less cryptic. |
| 35 | return os << d.kind() << ":" << d.debug_name() << ":r" << d.ReturnCount() |
| 36 | << "j" << d.JSParameterCount() << "i" << d.InputCount() << "f" |
| 37 | << d.FrameStateCount(); |
| 38 | } |
| 39 | |
| 40 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 41 | CallDescriptor* Linkage::ComputeIncoming(Zone* zone, CompilationInfo* info) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 42 | if (info->function() != NULL) { |
| 43 | // If we already have the function literal, use the number of parameters |
| 44 | // plus the receiver. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 45 | return GetJSCallDescriptor(1 + info->function()->parameter_count(), zone, |
| 46 | CallDescriptor::kNoFlags); |
| 47 | } |
| 48 | if (!info->closure().is_null()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 49 | // If we are compiling a JS function, use a JS call descriptor, |
| 50 | // plus the receiver. |
| 51 | SharedFunctionInfo* shared = info->closure()->shared(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 52 | return GetJSCallDescriptor(1 + shared->formal_parameter_count(), zone, |
| 53 | CallDescriptor::kNoFlags); |
| 54 | } |
| 55 | if (info->code_stub() != NULL) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 56 | // Use the code stub interface descriptor. |
| 57 | CallInterfaceDescriptor descriptor = |
| 58 | info->code_stub()->GetCallInterfaceDescriptor(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 59 | return GetStubCallDescriptor(descriptor, 0, CallDescriptor::kNoFlags, |
| 60 | Operator::kNoProperties, zone); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 61 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 62 | return NULL; // TODO(titzer): ? |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 66 | FrameOffset Linkage::GetFrameOffset(int spill_slot, Frame* frame, |
| 67 | int extra) const { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 68 | if (frame->GetSpillSlotCount() > 0 || incoming_->IsJSFunctionCall() || |
| 69 | incoming_->kind() == CallDescriptor::kCallAddress) { |
| 70 | int offset; |
| 71 | int register_save_area_size = frame->GetRegisterSaveAreaSize(); |
| 72 | if (spill_slot >= 0) { |
| 73 | // Local or spill slot. Skip the frame pointer, function, and |
| 74 | // context in the fixed part of the frame. |
| 75 | offset = |
| 76 | -(spill_slot + 1) * kPointerSize - register_save_area_size + extra; |
| 77 | } else { |
| 78 | // Incoming parameter. Skip the return address. |
| 79 | offset = -(spill_slot + 1) * kPointerSize + kFPOnStackSize + |
| 80 | kPCOnStackSize + extra; |
| 81 | } |
| 82 | return FrameOffset::FromFramePointer(offset); |
| 83 | } else { |
| 84 | // No frame. Retrieve all parameters relative to stack pointer. |
| 85 | DCHECK(spill_slot < 0); // Must be a parameter. |
| 86 | int register_save_area_size = frame->GetRegisterSaveAreaSize(); |
| 87 | int offset = register_save_area_size - (spill_slot + 1) * kPointerSize + |
| 88 | kPCOnStackSize + extra; |
| 89 | return FrameOffset::FromStackPointer(offset); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 94 | CallDescriptor* Linkage::GetJSCallDescriptor( |
| 95 | int parameter_count, CallDescriptor::Flags flags) const { |
| 96 | return GetJSCallDescriptor(parameter_count, zone_, flags); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | |
| 100 | CallDescriptor* Linkage::GetRuntimeCallDescriptor( |
| 101 | Runtime::FunctionId function, int parameter_count, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 102 | Operator::Properties properties) const { |
| 103 | return GetRuntimeCallDescriptor(function, parameter_count, properties, zone_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | |
| 107 | CallDescriptor* Linkage::GetStubCallDescriptor( |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 108 | const CallInterfaceDescriptor& descriptor, int stack_parameter_count, |
| 109 | CallDescriptor::Flags flags, Operator::Properties properties) const { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 110 | return GetStubCallDescriptor(descriptor, stack_parameter_count, flags, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 111 | properties, zone_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | |
| 115 | // static |
| 116 | bool Linkage::NeedsFrameState(Runtime::FunctionId function) { |
| 117 | if (!FLAG_turbo_deoptimization) { |
| 118 | return false; |
| 119 | } |
| 120 | // TODO(jarin) At the moment, we only add frame state for |
| 121 | // few chosen runtime functions. |
| 122 | switch (function) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 123 | case Runtime::kApply: |
| 124 | case Runtime::kArrayBufferNeuter: |
| 125 | case Runtime::kArrayConcat: |
| 126 | case Runtime::kBasicJSONStringify: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 127 | case Runtime::kCheckExecutionState: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 128 | case Runtime::kCollectStackTrace: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 129 | case Runtime::kCompileLazy: |
| 130 | case Runtime::kCompileOptimized: |
| 131 | case Runtime::kCompileString: |
| 132 | case Runtime::kCreateObjectLiteral: |
| 133 | case Runtime::kDebugBreak: |
| 134 | case Runtime::kDataViewSetInt8: |
| 135 | case Runtime::kDataViewSetUint8: |
| 136 | case Runtime::kDataViewSetInt16: |
| 137 | case Runtime::kDataViewSetUint16: |
| 138 | case Runtime::kDataViewSetInt32: |
| 139 | case Runtime::kDataViewSetUint32: |
| 140 | case Runtime::kDataViewSetFloat32: |
| 141 | case Runtime::kDataViewSetFloat64: |
| 142 | case Runtime::kDataViewGetInt8: |
| 143 | case Runtime::kDataViewGetUint8: |
| 144 | case Runtime::kDataViewGetInt16: |
| 145 | case Runtime::kDataViewGetUint16: |
| 146 | case Runtime::kDataViewGetInt32: |
| 147 | case Runtime::kDataViewGetUint32: |
| 148 | case Runtime::kDataViewGetFloat32: |
| 149 | case Runtime::kDataViewGetFloat64: |
| 150 | case Runtime::kDebugEvaluate: |
| 151 | case Runtime::kDebugEvaluateGlobal: |
| 152 | case Runtime::kDebugGetLoadedScripts: |
| 153 | case Runtime::kDebugGetPropertyDetails: |
| 154 | case Runtime::kDebugPromiseEvent: |
| 155 | case Runtime::kDefineAccessorPropertyUnchecked: |
| 156 | case Runtime::kDefineDataPropertyUnchecked: |
| 157 | case Runtime::kDeleteProperty: |
| 158 | case Runtime::kDeoptimizeFunction: |
| 159 | case Runtime::kFunctionBindArguments: |
| 160 | case Runtime::kGetDefaultReceiver: |
| 161 | case Runtime::kGetFrameCount: |
| 162 | case Runtime::kGetOwnProperty: |
| 163 | case Runtime::kGetOwnPropertyNames: |
| 164 | case Runtime::kGetPropertyNamesFast: |
| 165 | case Runtime::kGetPrototype: |
| 166 | case Runtime::kInlineArguments: |
| 167 | case Runtime::kInlineCallFunction: |
| 168 | case Runtime::kInlineDateField: |
| 169 | case Runtime::kInlineRegExpExec: |
| 170 | case Runtime::kInternalSetPrototype: |
| 171 | case Runtime::kInterrupt: |
| 172 | case Runtime::kIsPropertyEnumerable: |
| 173 | case Runtime::kIsSloppyModeFunction: |
| 174 | case Runtime::kLiveEditGatherCompileInfo: |
| 175 | case Runtime::kLoadLookupSlot: |
| 176 | case Runtime::kLoadLookupSlotNoReferenceError: |
| 177 | case Runtime::kMaterializeRegExpLiteral: |
| 178 | case Runtime::kNewObject: |
| 179 | case Runtime::kNewObjectFromBound: |
| 180 | case Runtime::kNewObjectWithAllocationSite: |
| 181 | case Runtime::kObjectFreeze: |
| 182 | case Runtime::kOwnKeys: |
| 183 | case Runtime::kParseJson: |
| 184 | case Runtime::kPrepareStep: |
| 185 | case Runtime::kPreventExtensions: |
| 186 | case Runtime::kPromiseRejectEvent: |
| 187 | case Runtime::kPromiseRevokeReject: |
| 188 | case Runtime::kRegExpInitializeAndCompile: |
| 189 | case Runtime::kRegExpExecMultiple: |
| 190 | case Runtime::kResolvePossiblyDirectEval: |
| 191 | case Runtime::kRunMicrotasks: |
| 192 | case Runtime::kSetPrototype: |
| 193 | case Runtime::kSetScriptBreakPoint: |
| 194 | case Runtime::kSparseJoinWithSeparator: |
| 195 | case Runtime::kStackGuard: |
| 196 | case Runtime::kStoreKeyedToSuper_Sloppy: |
| 197 | case Runtime::kStoreKeyedToSuper_Strict: |
| 198 | case Runtime::kStoreToSuper_Sloppy: |
| 199 | case Runtime::kStoreToSuper_Strict: |
| 200 | case Runtime::kStoreLookupSlot: |
| 201 | case Runtime::kStringBuilderConcat: |
| 202 | case Runtime::kStringBuilderJoin: |
| 203 | case Runtime::kStringMatch: |
| 204 | case Runtime::kStringReplaceGlobalRegExpWithString: |
| 205 | case Runtime::kThrowNonMethodError: |
| 206 | case Runtime::kThrowNotDateError: |
| 207 | case Runtime::kThrowReferenceError: |
| 208 | case Runtime::kThrowUnsupportedSuperError: |
| 209 | case Runtime::kThrow: |
| 210 | case Runtime::kTypedArraySetFastCases: |
| 211 | case Runtime::kTypedArrayInitializeFromArrayLike: |
| 212 | #ifdef V8_I18N_SUPPORT |
| 213 | case Runtime::kGetImplFromInitializedIntlObject: |
| 214 | #endif |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 215 | return true; |
| 216 | default: |
| 217 | return false; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | |
| 222 | //============================================================================== |
| 223 | // Provide unimplemented methods on unsupported architectures, to at least link. |
| 224 | //============================================================================== |
| 225 | #if !V8_TURBOFAN_BACKEND |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 226 | CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone, |
| 227 | CallDescriptor::Flags flags) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 228 | UNIMPLEMENTED(); |
| 229 | return NULL; |
| 230 | } |
| 231 | |
| 232 | |
| 233 | CallDescriptor* Linkage::GetRuntimeCallDescriptor( |
| 234 | Runtime::FunctionId function, int parameter_count, |
| 235 | Operator::Properties properties, Zone* zone) { |
| 236 | UNIMPLEMENTED(); |
| 237 | return NULL; |
| 238 | } |
| 239 | |
| 240 | |
| 241 | CallDescriptor* Linkage::GetStubCallDescriptor( |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 242 | const CallInterfaceDescriptor& descriptor, int stack_parameter_count, |
| 243 | CallDescriptor::Flags flags, Operator::Properties properties, |
| 244 | Zone* zone) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 245 | UNIMPLEMENTED(); |
| 246 | return NULL; |
| 247 | } |
| 248 | |
| 249 | |
| 250 | CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone, |
| 251 | MachineSignature* sig) { |
| 252 | UNIMPLEMENTED(); |
| 253 | return NULL; |
| 254 | } |
| 255 | #endif // !V8_TURBOFAN_BACKEND |
| 256 | } |
| 257 | } |
| 258 | } // namespace v8::internal::compiler |