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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 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 #include "src/compiler/linkage.h" | 5 #include "src/compiler/linkage.h" |
| 6 | 6 |
| 7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
| 8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
| 9 #include "src/compilation-info.h" | 9 #include "src/compilation-info.h" |
| 10 #include "src/compiler/common-operator.h" | 10 #include "src/compiler/common-operator.h" |
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| 135 CallDescriptor::kNoFlags); | 135 CallDescriptor::kNoFlags); |
| 136 } | 136 } |
| 137 return nullptr; // TODO(titzer): ? | 137 return nullptr; // TODO(titzer): ? |
| 138 } | 138 } |
| 139 | 139 |
| 140 | 140 |
| 141 // static | 141 // static |
| 142 bool Linkage::NeedsFrameStateInput(Runtime::FunctionId function) { | 142 bool Linkage::NeedsFrameStateInput(Runtime::FunctionId function) { |
| 143 switch (function) { | 143 switch (function) { |
| 144 // Most runtime functions need a FrameState. A few chosen ones that we know | 144 // Most runtime functions need a FrameState. A few chosen ones that we know |
| 145 // not to call into arbitrary JavaScript, not to throw, and not to | 145 // not to call into arbitrary JavaScript, not to throw, and not to lazily |
| 146 // deoptimize | 146 // deoptimize are whitelisted here and can be called without a FrameState. |
| 147 // are whitelisted here and can be called without a FrameState. | |
| 148 case Runtime::kAbort: | 147 case Runtime::kAbort: |
| 149 case Runtime::kAllocateInTargetSpace: | 148 case Runtime::kAllocateInTargetSpace: |
| 149 case Runtime::kConvertReceiver: |
| 150 case Runtime::kCreateIterResultObject: | 150 case Runtime::kCreateIterResultObject: |
| 151 case Runtime::kDefineGetterPropertyUnchecked: // TODO(jarin): Is it safe? | 151 case Runtime::kDefineGetterPropertyUnchecked: // TODO(jarin): Is it safe? |
| 152 case Runtime::kDefineSetterPropertyUnchecked: // TODO(jarin): Is it safe? | 152 case Runtime::kDefineSetterPropertyUnchecked: // TODO(jarin): Is it safe? |
| 153 case Runtime::kGeneratorGetContinuation: | 153 case Runtime::kGeneratorGetContinuation: |
| 154 case Runtime::kIsFunction: | 154 case Runtime::kIsFunction: |
| 155 case Runtime::kNewClosure: | 155 case Runtime::kNewClosure: |
| 156 case Runtime::kNewClosure_Tenured: | 156 case Runtime::kNewClosure_Tenured: |
| 157 case Runtime::kNewFunctionContext: | 157 case Runtime::kNewFunctionContext: |
| 158 case Runtime::kPushBlockContext: | 158 case Runtime::kPushBlockContext: |
| 159 case Runtime::kPushCatchContext: | 159 case Runtime::kPushCatchContext: |
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| 505 DCHECK(loc == regloc(kContextRegister, MachineType::AnyTagged())); | 505 DCHECK(loc == regloc(kContextRegister, MachineType::AnyTagged())); |
| 506 return LinkageLocation::ForCalleeFrameSlot(Frame::kContextSlot, | 506 return LinkageLocation::ForCalleeFrameSlot(Frame::kContextSlot, |
| 507 MachineType::AnyTagged()); | 507 MachineType::AnyTagged()); |
| 508 } | 508 } |
| 509 } | 509 } |
| 510 | 510 |
| 511 | 511 |
| 512 } // namespace compiler | 512 } // namespace compiler |
| 513 } // namespace internal | 513 } // namespace internal |
| 514 } // namespace v8 | 514 } // namespace v8 |
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