LinkerLoad.cpp File Reference

#include "UObject/LinkerLoad.h"
#include "AssetRegistry/AssetData.h"
#include "HAL/FileManager.h"
#include "Misc/Paths.h"
#include "Stats/StatsMisc.h"
#include "Misc/ConfigCacheIni.h"
#include "HAL/IConsoleManager.h"
#include "Misc/SlowTask.h"
#include "Async/Async.h"
#include "Misc/ScopedSlowTask.h"
#include "Misc/ObjectThumbnail.h"
#include "Misc/App.h"
#include "UObject/InstanceDataObjectUtils.h"
#include "UObject/MetaData.h"
#include "UObject/LinkerLoadImportBehavior.h"
#include "UObject/ObjectRedirector.h"
#include "UObject/Package.h"
#include "UObject/PackageResourceManager.h"
#include "UObject/PackageResourceIoDispatcherBackend.h"
#include "UObject/PackageTrailer.h"
#include "UObject/PropertyBagRepository.h"
#include "UObject/SoftObjectPath.h"
#include "UObject/UObjectHash.h"
#include "UObject/UObjectSerializeContext.h"
#include "Misc/PackageName.h"
#include "Blueprint/BlueprintSupport.h"
#include "Misc/PackageAccessTrackingOps.h"
#include "Misc/PathViews.h"
#include "Misc/PreloadableFile.h"
#include "Misc/SecureHash.h"
#include "Misc/StringBuilder.h"
#include "ProfilingDebugging/DebuggingDefines.h"
#include "Logging/MessageLog.h"
#include "Logging/TokenizedMessage.h"
#include "ProfilingDebugging/CookStats.h"
#include "UObject/LinkerPlaceholderBase.h"
#include "UObject/LinkerPlaceholderClass.h"
#include "UObject/LinkerPlaceholderExportObject.h"
#include "UObject/LinkerPlaceholderFunction.h"
#include "UObject/LinkerManager.h"
#include "UObject/ObjectSerializeAccessScope.h"
#include "Serialization/DeferredMessageLog.h"
#include "UObject/UObjectThreadContext.h"
#include "Serialization/AsyncLoading.h"
#include "Serialization/ArchiveSerializedPropertyChain.h"
#include "ProfilingDebugging/LoadTimeTracker.h"
#include "ProfilingDebugging/AssetMetadataTrace.h"
#include "HAL/LowLevelMemStats.h"
#include "HAL/ThreadHeartBeat.h"
#include "Internationalization/TextPackageNamespaceUtil.h"
#include "Serialization/BulkData.h"
#include "Serialization/AsyncLoadingPrivate.h"
#include "Serialization/Formatters/BinaryArchiveFormatter.h"
#include "Serialization/Formatters/JsonArchiveInputFormatter.h"
#include "Serialization/ArchiveUObjectFromStructuredArchive.h"
#include "Serialization/StructuredArchiveChildReader.h"
#include "Serialization/UnversionedPropertySerialization.h"
#include "Serialization/LoadTimeTracePrivate.h"
#include "Serialization/EditorBulkData.h"
#include "Serialization/ImportTypeHierarchy.h"
#include "UObject/CoreRedirects.h"
#include "UObject/ICookInfo.h"
#include "UObject/PackageRelocation.h"
#include "Misc/AssetRegistryInterface.h"
#include "Misc/EngineBuildSettings.h"
#include "Internationalization/GatherableTextData.h"
#include "Async/MappedFileHandle.h"
#include "Async/UniqueLock.h"
#include "CoreGlobalsInternal.h"

Classes
struct	FScopedCreateExportCounter

Namespaces
namespace	FLinkerDefs

Macros
#define	LOCTEXT_NAMESPACE   "LinkerLoad"

Functions
	DECLARE_STATS_GROUP_VERBOSE (TEXT("Linker Load"), STATGROUP_LinkerLoad, STATCAT_Advanced)
	DECLARE_CYCLE_STAT (TEXT("Linker Preload"), STAT_LinkerPreload, STATGROUP_LinkerLoad)
	DECLARE_CYCLE_STAT (TEXT("Linker Precache"), STAT_LinkerPrecache, STATGROUP_LinkerLoad)
	DECLARE_CYCLE_STAT (TEXT("Linker Serialize"), STAT_LinkerSerialize, STATGROUP_LinkerLoad)
	DECLARE_CYCLE_STAT (TEXT("Linker Load Deferred"), STAT_LinkerLoadDeferred, STATGROUP_LinkerLoad)
	DECLARE_STATS_GROUP (TEXT("Linker Count"), STATGROUP_LinkerCount, STATCAT_Advanced)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Linker Count"), STAT_LinkerCount, STATGROUP_LinkerCount)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Linker Count (Text Assets)"), STAT_TextAssetLinkerCount, STATGROUP_LinkerCount)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Live Linker Count"), STAT_LiveLinkerCount, STATGROUP_LinkerCount)
	DECLARE_FLOAT_ACCUMULATOR_STAT (TEXT("Fixup editor-only flags time"), STAT_EditorOnlyFixupTime, STATGROUP_LinkerCount)
	LLM_DEFINE_TAG (UObject_Linker)
	LLM_DEFINE_TAG (UObject_FLinkerLoad)
void	TrackPackageAssetClass (UPackage *Package, FLinkerLoad &LinkerLoad, const TArray< FObjectExport > &Exports)
EPackageSegment	GetBulkDataPackageSegmentFromFlags (const EBulkDataFlags BulkDataFlags, bool bLoadingFromCookedPackage)
bool	IsEnforcePackageCompatibleVersionCheck ()
UPackage *	LoadPackageInternal (UPackage *InOuter, const FPackagePath &PackagePath, uint32 LoadFlags, FLinkerLoad *ImportLinker, FArchive *InReaderOverride, const FLinkerInstancingContext *InstancingContext, const FPackagePath *DiffPackagePath)
void	StaticFindAllImportObjects (TArray< FObjectImport > &InOutImportMap, FPackageIndex InPackageImport, const FPackagePath &PathOfPackageBeingLoaded)

Variables
int32	GAllowCookedDataInEditorBuilds = 0
int32	GSkipAsyncLoaderForCookedData = 0
int32	GEnforcePackageCompatibleVersionCheck = 1
const int32	FLinkerDefs::TotalProgressSteps = 5

Macro Definition Documentation

LOCTEXT_NAMESPACE

#define LOCTEXT_NAMESPACE   "LinkerLoad"

Function Documentation

DECLARE_CYCLE_STAT() [1/4]

DECLARE_CYCLE_STAT	(	TEXT("Linker Load Deferred")	,
		STAT_LinkerLoadDeferred	,
		STATGROUP_LinkerLoad
	)

DECLARE_CYCLE_STAT() [2/4]

DECLARE_CYCLE_STAT	(	TEXT("Linker Precache")	,
		STAT_LinkerPrecache	,
		STATGROUP_LinkerLoad
	)

DECLARE_CYCLE_STAT() [3/4]

DECLARE_CYCLE_STAT	(	TEXT("Linker Preload")	,
		STAT_LinkerPreload	,
		STATGROUP_LinkerLoad
	)

DECLARE_CYCLE_STAT() [4/4]

DECLARE_CYCLE_STAT	(	TEXT("Linker Serialize")	,
		STAT_LinkerSerialize	,
		STATGROUP_LinkerLoad
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [1/3]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Linker Count (Text Assets)")	,
		STAT_TextAssetLinkerCount	,
		STATGROUP_LinkerCount
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [2/3]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Linker Count")	,
		STAT_LinkerCount	,
		STATGROUP_LinkerCount
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [3/3]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Live Linker Count")	,
		STAT_LiveLinkerCount	,
		STATGROUP_LinkerCount
	)

DECLARE_FLOAT_ACCUMULATOR_STAT()

DECLARE_FLOAT_ACCUMULATOR_STAT	(	TEXT("Fixup editor-only flags time")	,
		STAT_EditorOnlyFixupTime	,
		STATGROUP_LinkerCount
	)

DECLARE_STATS_GROUP()

DECLARE_STATS_GROUP	(	TEXT("Linker Count")	,
		STATGROUP_LinkerCount	,
		STATCAT_Advanced
	)

DECLARE_STATS_GROUP_VERBOSE()

DECLARE_STATS_GROUP_VERBOSE	(	TEXT("Linker Load")	,
		STATGROUP_LinkerLoad	,
		STATCAT_Advanced
	)

GetBulkDataPackageSegmentFromFlags()

EPackageSegment GetBulkDataPackageSegmentFromFlags	(	const EBulkDataFlags	BulkDataFlags,
		bool	bLoadingFromCookedPackage
	)

IsEnforcePackageCompatibleVersionCheck()

bool IsEnforcePackageCompatibleVersionCheck

(

)

LLM_DEFINE_TAG() [1/2]

LLM_DEFINE_TAG

(

UObject_FLinkerLoad

)

LLM_DEFINE_TAG() [2/2]

LLM_DEFINE_TAG

(

UObject_Linker

)

LoadPackageInternal()

UPackage * LoadPackageInternal	(	UPackage *	InOuter,
		const FPackagePath &	PackagePath,
		uint32	LoadFlags,
		FLinkerLoad *	ImportLinker,
		FArchive *	InReaderOverride,
		const FLinkerInstancingContext *	InstancingContext,
		const FPackagePath *	DiffPackagePath
	)

StaticFindAllImportObjects()

void StaticFindAllImportObjects	(	TArray< FObjectImport > &	InOutImportMap,
		FPackageIndex	InPackageImport,
		const FPackagePath &	PathOfPackageBeingLoaded
	)

Finds and populates the import table for the specified package import.

Parameters

InOutImportMap	The import table
InPackageImport	The package import index

TrackPackageAssetClass()

void TrackPackageAssetClass	(	UPackage *	Package,
		FLinkerLoad &	LinkerLoad,
		const TArray< FObjectExport > &	Exports
	)

Helper function to determine and trace the most important asset class.

Variable Documentation

GAllowCookedDataInEditorBuilds

int32 GAllowCookedDataInEditorBuilds = 0

This allows loading cooked content in the editor

GEnforcePackageCompatibleVersionCheck

int32 GEnforcePackageCompatibleVersionCheck = 1

GSkipAsyncLoaderForCookedData

int32 GSkipAsyncLoaderForCookedData = 0