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Merge pull request #12 from p-x9/feature/file-io-mmap
Improve performance of file I/O using mmap
2 parents 8dceebf + b9261b2 commit 3f1bb0d

16 files changed

+594
-67
lines changed

‎.swiftpm/xcode/xcshareddata/xcschemes/MachOObjCSection-Package.xcscheme‎

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<?xml version="1.0" encoding="UTF-8"?>
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<Scheme
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LastUpgradeVersion = "1520"
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version = "1.7">
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<BuildAction
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parallelizeBuildables = "YES"
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buildImplicitDependencies = "YES">
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<BuildActionEntries>
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<BuildActionEntry
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buildForTesting = "YES"
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buildForRunning = "YES"
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buildForProfiling = "YES"
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buildForArchiving = "YES"
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buildForAnalyzing = "YES">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "MachOObjCSection"
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BuildableName = "MachOObjCSection"
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BlueprintName = "MachOObjCSection"
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ReferencedContainer = "container:">
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</BuildableReference>
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</BuildActionEntry>
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</BuildActionEntries>
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</BuildAction>
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<TestAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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shouldUseLaunchSchemeArgsEnv = "YES"
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shouldAutocreateTestPlan = "YES">
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</TestAction>
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<LaunchAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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launchStyle = "0"
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useCustomWorkingDirectory = "NO"
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ignoresPersistentStateOnLaunch = "NO"
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debugDocumentVersioning = "YES"
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debugServiceExtension = "internal"
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allowLocationSimulation = "YES">
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</LaunchAction>
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<ProfileAction
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buildConfiguration = "Release"
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shouldUseLaunchSchemeArgsEnv = "YES"
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savedToolIdentifier = ""
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useCustomWorkingDirectory = "NO"
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debugDocumentVersioning = "YES">
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<MacroExpansion>
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "MachOObjCSection"
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BuildableName = "MachOObjCSection"
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BlueprintName = "MachOObjCSection"
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ReferencedContainer = "container:">
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</BuildableReference>
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</MacroExpansion>
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</ProfileAction>
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<AnalyzeAction
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buildConfiguration = "Debug">
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</AnalyzeAction>
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<ArchiveAction
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buildConfiguration = "Release"
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revealArchiveInOrganizer = "YES">
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</ArchiveAction>
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</Scheme>

‎.swiftpm/xcode/xcshareddata/xcschemes/MachOObjCSection.xcscheme‎

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<?xml version="1.0" encoding="UTF-8"?>
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<Scheme
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LastUpgradeVersion = "1520"
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version = "1.7">
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<BuildAction
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parallelizeBuildables = "YES"
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buildImplicitDependencies = "YES">
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<BuildActionEntries>
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<BuildActionEntry
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buildForTesting = "YES"
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buildForRunning = "YES"
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buildForProfiling = "YES"
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buildForArchiving = "YES"
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buildForAnalyzing = "YES">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "MachOObjCSection"
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BuildableName = "MachOObjCSection"
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BlueprintName = "MachOObjCSection"
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ReferencedContainer = "container:">
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</BuildableReference>
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</BuildActionEntry>
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</BuildActionEntries>
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</BuildAction>
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<TestAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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shouldUseLaunchSchemeArgsEnv = "YES"
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shouldAutocreateTestPlan = "YES">
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<Testables>
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<TestableReference
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skipped = "NO">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "MachOObjCSectionTests"
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BuildableName = "MachOObjCSectionTests"
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BlueprintName = "MachOObjCSectionTests"
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ReferencedContainer = "container:">
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</BuildableReference>
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</TestableReference>
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</Testables>
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</TestAction>
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<LaunchAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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launchStyle = "0"
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useCustomWorkingDirectory = "NO"
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ignoresPersistentStateOnLaunch = "NO"
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debugDocumentVersioning = "YES"
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debugServiceExtension = "internal"
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allowLocationSimulation = "YES">
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</LaunchAction>
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<ProfileAction
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buildConfiguration = "Release"
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shouldUseLaunchSchemeArgsEnv = "YES"
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savedToolIdentifier = ""
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useCustomWorkingDirectory = "NO"
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debugDocumentVersioning = "YES">
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<MacroExpansion>
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "MachOObjCSection"
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BuildableName = "MachOObjCSection"
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BlueprintName = "MachOObjCSection"
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ReferencedContainer = "container:">
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</BuildableReference>
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</MacroExpansion>
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</ProfileAction>
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<AnalyzeAction
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buildConfiguration = "Debug">
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</AnalyzeAction>
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<ArchiveAction
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buildConfiguration = "Release"
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revealArchiveInOrganizer = "YES">
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</ArchiveAction>
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</Scheme>

‎.swiftpm/xcode/xcshareddata/xcschemes/MachOObjCSectionTests.xcscheme‎

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<?xml version="1.0" encoding="UTF-8"?>
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<Scheme
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LastUpgradeVersion = "1520"
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version = "1.7">
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<BuildAction
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parallelizeBuildables = "YES"
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buildImplicitDependencies = "YES">
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</BuildAction>
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<TestAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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shouldUseLaunchSchemeArgsEnv = "YES"
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shouldAutocreateTestPlan = "YES">
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<Testables>
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<TestableReference
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skipped = "NO">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "MachOObjCSectionTests"
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BuildableName = "MachOObjCSectionTests"
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BlueprintName = "MachOObjCSectionTests"
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ReferencedContainer = "container:">
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</BuildableReference>
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</TestableReference>
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</Testables>
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</TestAction>
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<LaunchAction
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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launchStyle = "0"
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useCustomWorkingDirectory = "NO"
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ignoresPersistentStateOnLaunch = "NO"
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debugDocumentVersioning = "YES"
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debugServiceExtension = "internal"
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allowLocationSimulation = "YES">
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</LaunchAction>
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<ProfileAction
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buildConfiguration = "Release"
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shouldUseLaunchSchemeArgsEnv = "YES"
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savedToolIdentifier = ""
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useCustomWorkingDirectory = "NO"
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debugDocumentVersioning = "YES">
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</ProfileAction>
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<AnalyzeAction
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buildConfiguration = "Debug">
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</AnalyzeAction>
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<ArchiveAction
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buildConfiguration = "Release"
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revealArchiveInOrganizer = "YES">
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</ArchiveAction>
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</Scheme>

‎Package.swift‎

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],
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dependencies: [
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.package(url: "https://github.com/p-x9/MachOKit.git", from: "0.34.0"),
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.package(url: "https://github.com/p-x9/swift-fileio.git", from: "0.9.0"),
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.package(url: "https://github.com/p-x9/swift-objc-dump.git", from: "0.7.0")
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],
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targets: [
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dependencies: [
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"MachOObjCSectionC",
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"MachOKit",
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.product(name: "FileIO", package: "swift-fileio"),
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.product(name: "ObjCDump", package: "swift-objc-dump")
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]
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),

‎Sources/MachOObjCSection/Extension/DyldCache+.swift‎

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import Foundation
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import MachOKit
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#if compiler(>=6.0) || (compiler(>=5.10) && hasFeature(AccessLevelOnImport))
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internal import FileIO
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#else
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@_implementationOnly import FileIO
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#endif
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extension DyldCache {
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var fileHandle: FileHandle {
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try! .init(forReadingFrom: url)
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internal typealias File = MemoryMappedFile
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var fileHandle: File {
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try! .open(url: url, isWritable: false)
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}
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var fileStartOffset: UInt64 {

‎Sources/MachOObjCSection/Extension/MachOFile+.swift‎

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import Foundation
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import MachOKit
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#if compiler(>=6.0) || (compiler(>=5.10) && hasFeature(AccessLevelOnImport))
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internal import FileIO
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#else
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@_implementationOnly import FileIO
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#endif
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extension MachOFile {
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var fileHandle: FileHandle {
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try! .init(forReadingFrom: url)
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internal typealias File = MemoryMappedFile
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var fileHandle: File {
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try! .open(url: url, isWritable: false)
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}
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}
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