gecko-dev/js/public/TrackedOptimizationInfo.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef js_TrackedOptimizationInfo_h
#define js_TrackedOptimizationInfo_h
#include "mozilla/Maybe.h"
namespace JS {
#define TRACKED_STRATEGY_LIST(_) \
_(GetProp_ArgumentsLength) \
_(GetProp_ArgumentsCallee) \
_(GetProp_InferredConstant) \
_(GetProp_Constant) \
_(GetProp_SimdGetter) \
_(GetProp_TypedObject) \
_(GetProp_DefiniteSlot) \
_(GetProp_Unboxed) \
_(GetProp_CommonGetter) \
_(GetProp_InlineAccess) \
_(GetProp_Innerize) \
_(GetProp_InlineCache) \
\
_(SetProp_CommonSetter) \
_(SetProp_TypedObject) \
_(SetProp_DefiniteSlot) \
_(SetProp_Unboxed) \
_(SetProp_InlineAccess) \
\
_(GetElem_TypedObject) \
_(GetElem_Dense) \
_(GetElem_TypedStatic) \
_(GetElem_TypedArray) \
_(GetElem_String) \
_(GetElem_Arguments) \
_(GetElem_ArgumentsInlined) \
_(GetElem_InlineCache) \
\
_(SetElem_TypedObject) \
_(SetElem_TypedStatic) \
_(SetElem_TypedArray) \
_(SetElem_Dense) \
_(SetElem_Arguments) \
_(SetElem_InlineCache) \
\
_(Call_Inline)
// Ordering is important below. All outcomes before GenericSuccess will be
// considered failures, and all outcomes after GenericSuccess will be
// considered successes.
#define TRACKED_OUTCOME_LIST(_) \
_(GenericFailure) \
_(Disabled) \
_(NoTypeInfo) \
_(NoAnalysisInfo) \
_(NoShapeInfo) \
_(UnknownObject) \
_(UnknownProperties) \
_(Singleton) \
_(NotSingleton) \
_(NotFixedSlot) \
_(InconsistentFixedSlot) \
_(NotObject) \
_(NotStruct) \
_(NotUnboxed) \
_(UnboxedConvertedToNative) \
_(StructNoField) \
_(InconsistentFieldType) \
_(InconsistentFieldOffset) \
_(NeedsTypeBarrier) \
_(InDictionaryMode) \
_(NoProtoFound) \
_(MultiProtoPaths) \
_(NonWritableProperty) \
_(ProtoIndexedProps) \
_(ArrayBadFlags) \
_(ArrayDoubleConversion) \
_(ArrayRange) \
_(ArraySeenNegativeIndex) \
_(TypedObjectNeutered) \
_(TypedObjectArrayRange) \
_(AccessNotDense) \
_(AccessNotSimdObject) \
_(AccessNotTypedObject) \
_(AccessNotTypedArray) \
_(AccessNotString) \
_(StaticTypedArrayUint32) \
_(StaticTypedArrayCantComputeMask) \
_(OutOfBounds) \
_(GetElemStringNotCached) \
_(NonNativeReceiver) \
_(IndexType) \
_(SetElemNonDenseNonTANotCached) \
_(NoSimdJitSupport) \
_(SimdTypeNotOptimized) \
_(UnknownSimdProperty) \
\
_(CantInlineGeneric) \
_(CantInlineNoTarget) \
_(CantInlineNotInterpreted) \
_(CantInlineNoBaseline) \
_(CantInlineLazy) \
_(CantInlineNotConstructor) \
_(CantInlineDisabledIon) \
_(CantInlineTooManyArgs) \
_(CantInlineRecursive) \
_(CantInlineHeavyweight) \
_(CantInlineNeedsArgsObj) \
_(CantInlineDebuggee) \
_(CantInlineUnknownProps) \
_(CantInlineExceededDepth) \
_(CantInlineExceededTotalBytecodeLength) \
_(CantInlineBigCaller) \
_(CantInlineBigCallee) \
_(CantInlineBigCalleeInlinedBytecodeLength) \
_(CantInlineNotHot) \
_(CantInlineNotInDispatch) \
_(CantInlineUnreachable) \
_(CantInlineNativeBadForm) \
_(CantInlineNativeBadType) \
_(CantInlineNativeNoTemplateObj) \
_(CantInlineBound) \
\
_(GenericSuccess) \
_(Inlined) \
_(DOM) \
_(Monomorphic) \
_(Polymorphic)
#define TRACKED_TYPESITE_LIST(_) \
_(Receiver) \
_(Index) \
_(Value) \
_(Call_Target) \
_(Call_This) \
_(Call_Arg) \
_(Call_Return)
enum class TrackedStrategy : uint32_t {
#define STRATEGY_OP(name) name,
TRACKED_STRATEGY_LIST(STRATEGY_OP)
#undef STRATEGY_OPT
Count
};
enum class TrackedOutcome : uint32_t {
#define OUTCOME_OP(name) name,
TRACKED_OUTCOME_LIST(OUTCOME_OP)
#undef OUTCOME_OP
Count
};
enum class TrackedTypeSite : uint32_t {
#define TYPESITE_OP(name) name,
TRACKED_TYPESITE_LIST(TYPESITE_OP)
#undef TYPESITE_OP
Count
};
JS_PUBLIC_API(const char *)
TrackedStrategyString(TrackedStrategy strategy);
JS_PUBLIC_API(const char *)
TrackedOutcomeString(TrackedOutcome outcome);
JS_PUBLIC_API(const char *)
TrackedTypeSiteString(TrackedTypeSite site);
struct ForEachTrackedOptimizationAttemptOp
{
virtual void operator()(TrackedStrategy strategy, TrackedOutcome outcome) = 0;
};
JS_PUBLIC_API(void)
ForEachTrackedOptimizationAttempt(JSRuntime *rt, void *addr, uint8_t index,
ForEachTrackedOptimizationAttemptOp &op,
JSScript **scriptOut, jsbytecode **pcOut);
struct ForEachTrackedOptimizationTypeInfoOp
{
// Called 0+ times per entry, once for each type in the type set that Ion
// saw during MIR construction. readType is always called _before_
// operator() on the same entry.
//
// The keyedBy parameter describes how the type is keyed:
// - "primitive" for primitive types
// - "constructor" for object types tied to a scripted constructor
// function.
// - "alloc site" for object types tied to an allocation site.
// - "prototype" for object types tied neither to a constructor nor
// to an allocation site, but to a prototype.
// - "singleton" for object types which only has a single value.
// - "function" for object types referring to scripted functions.
// - "native" for object types referring to native functions.
//
// The name parameter is the string representation of the type. If the
// type is keyed by "constructor", or if the type itself refers to a
// scripted function, the name is the function's displayAtom. If the type
// is keyed by "native", this is nullptr.
//
// The location parameter is the filename if the type is keyed by
// "constructor", "alloc site", or if the type itself refers to a scripted
// function. If the type is keyed by "native", it is the offset of the
// native function, suitable for use with addr2line on Linux or atos on OS
// X. Otherwise it is nullptr.
//
// The lineno parameter is the line number if the type is keyed by
// "constructor", "alloc site", or if the type itself refers to a scripted
// function. Otherwise it is UINT32_MAX.
//
// The location parameter is the only one that may need escaping if being
// quoted.
virtual void readType(const char *keyedBy, const char *name,
const char *location, unsigned lineno) = 0;
// Called once per entry.
virtual void operator()(TrackedTypeSite site, const char *mirType) = 0;
};
JS_PUBLIC_API(void)
ForEachTrackedOptimizationTypeInfo(JSRuntime *rt, void *addr, uint8_t index,
ForEachTrackedOptimizationTypeInfoOp &op);
JS_PUBLIC_API(mozilla::Maybe<uint8_t>)
TrackedOptimizationIndexAtAddr(JSRuntime *rt, void *addr, void **entryAddr);
} // namespace JS
#endif // js_TrackedOptimizationInfo_h