1 // Copyright 2016 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 5 #ifndef V8_DEOPTIMIZE_REASON_H_ 6 #define V8_DEOPTIMIZE_REASON_H_ 7 8 #include "src/globals.h" 9 10 namespace v8 { 11 namespace internal { 12 13 #define DEOPTIMIZE_REASON_LIST(V) \ 14 V(AccessCheck, "Access check needed") \ 15 V(NoReason, "no reason") \ 16 V(ConstantGlobalVariableAssignment, "Constant global variable assignment") \ 17 V(ConversionOverflow, "conversion overflow") \ 18 V(DivisionByZero, "division by zero") \ 19 V(ExpectedHeapNumber, "Expected heap number") \ 20 V(ExpectedSmi, "Expected smi") \ 21 V(ForcedDeoptToRuntime, "Forced deopt to runtime") \ 22 V(Hole, "hole") \ 23 V(InstanceMigrationFailed, "instance migration failed") \ 24 V(InsufficientTypeFeedbackForCall, "Insufficient type feedback for call") \ 25 V(InsufficientTypeFeedbackForCallWithArguments, \ 26 "Insufficient type feedback for call with arguments") \ 27 V(FastPathFailed, "Falling off the fast path") \ 28 V(InsufficientTypeFeedbackForCombinedTypeOfBinaryOperation, \ 29 "Insufficient type feedback for combined type of binary operation") \ 30 V(InsufficientTypeFeedbackForGenericNamedAccess, \ 31 "Insufficient type feedback for generic named access") \ 32 V(InsufficientTypeFeedbackForGenericKeyedAccess, \ 33 "Insufficient type feedback for generic keyed access") \ 34 V(InsufficientTypeFeedbackForLHSOfBinaryOperation, \ 35 "Insufficient type feedback for LHS of binary operation") \ 36 V(InsufficientTypeFeedbackForRHSOfBinaryOperation, \ 37 "Insufficient type feedback for RHS of binary operation") \ 38 V(KeyIsNegative, "key is negative") \ 39 V(LostPrecision, "lost precision") \ 40 V(LostPrecisionOrNaN, "lost precision or NaN") \ 41 V(MementoFound, "memento found") \ 42 V(MinusZero, "minus zero") \ 43 V(NaN, "NaN") \ 44 V(NegativeKeyEncountered, "Negative key encountered") \ 45 V(NegativeValue, "negative value") \ 46 V(NoCache, "no cache") \ 47 V(NotAHeapNumber, "not a heap number") \ 48 V(NotAHeapNumberUndefined, "not a heap number/undefined") \ 49 V(NotAJavaScriptObject, "not a JavaScript object") \ 50 V(NotANumberOrOddball, "not a Number or Oddball") \ 51 V(NotASmi, "not a Smi") \ 52 V(OutOfBounds, "out of bounds") \ 53 V(OutsideOfRange, "Outside of range") \ 54 V(Overflow, "overflow") \ 55 V(Proxy, "proxy") \ 56 V(ReceiverWasAGlobalObject, "receiver was a global object") \ 57 V(Smi, "Smi") \ 58 V(TooManyArguments, "too many arguments") \ 59 V(TracingElementsTransitions, "Tracing elements transitions") \ 60 V(TypeMismatchBetweenFeedbackAndConstant, \ 61 "Type mismatch between feedback and constant") \ 62 V(UnexpectedCellContentsInConstantGlobalStore, \ 63 "Unexpected cell contents in constant global store") \ 64 V(UnexpectedCellContentsInGlobalStore, \ 65 "Unexpected cell contents in global store") \ 66 V(UnexpectedObject, "unexpected object") \ 67 V(UnexpectedRHSOfBinaryOperation, "Unexpected RHS of binary operation") \ 68 V(UnknownMapInPolymorphicAccess, "Unknown map in polymorphic access") \ 69 V(UnknownMapInPolymorphicCall, "Unknown map in polymorphic call") \ 70 V(UnknownMapInPolymorphicElementAccess, \ 71 "Unknown map in polymorphic element access") \ 72 V(UnknownMap, "Unknown map") \ 73 V(ValueMismatch, "value mismatch") \ 74 V(WrongInstanceType, "wrong instance type") \ 75 V(WrongMap, "wrong map") \ 76 V(UndefinedOrNullInForIn, "null or undefined in for-in") \ 77 V(UndefinedOrNullInToObject, "null or undefined in ToObject") 78 79 enum class DeoptimizeReason : uint8_t { 80 #define DEOPTIMIZE_REASON(Name, message) k##Name, 81 DEOPTIMIZE_REASON_LIST(DEOPTIMIZE_REASON) 82 #undef DEOPTIMIZE_REASON 83 }; 84 85 std::ostream& operator<<(std::ostream&, DeoptimizeReason); 86 87 size_t hash_value(DeoptimizeReason reason); 88 89 char const* DeoptimizeReasonToString(DeoptimizeReason reason); 90 91 } // namespace internal 92 } // namespace v8 93 94 #endif // V8_DEOPTIMIZE_REASON_H_ 95
