#include "Darwin.h"
#include "Arch/AArch64.h"
#include "Arch/ARM.h"
#include "CommonArgs.h"
#include "clang/Basic/AlignedAllocation.h"
#include "clang/Basic/ObjCRuntime.h"
#include "clang/Config/config.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "clang/Driver/SanitizerArgs.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Option/ArgList.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Support/Threading.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/TargetParser/TargetParser.h"
#include "llvm/TargetParser/Triple.h"
#include <cstdlib>

Functions
static VersionTuple	minimumMacCatalystDeploymentTarget ()

static bool	shouldLinkerNotDedup (bool IsLinkerOnlyAction, const ArgList &Args)
	Pass -no_deduplicate to ld64 under certain conditions:

static bool	isObjCRuntimeLinked (const ArgList &Args)
	Determine whether we are linking the ObjC runtime.

static bool	checkRemarksOptions (const Driver &D, const ArgList &Args, const llvm::Triple &Triple)

static void	renderRemarksOptions (const ArgList &Args, ArgStringList &CmdArgs, const llvm::Triple &Triple, const InputInfo &Output, const JobAction &JA)

static void	AppendPlatformPrefix (SmallString< 128 > &Path, const llvm::Triple &T)

static const char *	ArmMachOArchName (StringRef Arch)

static const char *	ArmMachOArchNameCPU (StringRef CPU)

static StringRef	getXcodeDeveloperPath (StringRef PathIntoXcode)
	Take a path that speculatively points into Xcode and return the `XCODE/Contents/Developer` path if it is an Xcode path, or an empty path otherwise.

static bool	hasExportSymbolDirective (const ArgList &Args)
	Check if the link command contains a symbol export directive.

static void	addExportedSymbol (ArgStringList &CmdArgs, const char *Symbol)
	Add an export directive for `Symbol` to the link command.

static void	addSectalignToPage (const ArgList &Args, ArgStringList &CmdArgs, StringRef Segment, StringRef Section)
	Add a sectalign directive for `Segment` and `Section` to the maximum expected page size for Darwin.

static std::string	getSystemOrSDKMacOSVersion (StringRef MacOSSDKVersion)
	Returns the most appropriate macOS target version for the current process.

static bool	sdkSupportsBuiltinModules (const Darwin::DarwinPlatformKind &TargetPlatform, const std::optional< DarwinSDKInfo > &SDKInfo)

static const char *	getPlatformName (Darwin::DarwinPlatformKind Platform, Darwin::DarwinEnvironmentKind Environment)

static void	addDynamicLibLinkArgs (const Darwin &D, const ArgList &Args, ArgStringList &CmdArgs)

static void	addBundleLinkArgs (const Darwin &D, const ArgList &Args, ArgStringList &CmdArgs)

static void	addPgProfilingLinkArgs (const Darwin &D, const ArgList &Args, ArgStringList &CmdArgs)

static void	addDefaultCRTLinkArgs (const Darwin &D, const ArgList &Args, ArgStringList &CmdArgs)

Function Documentation

◆ addBundleLinkArgs()

static void addBundleLinkArgs	(	const Darwin &	D,
		const ArgList &	Args,
		ArgStringList &	CmdArgs
	)

static

Definition at line 3302 of file Darwin.cpp.

References clang::driver::toolchains::Darwin::isIPhoneOSVersionLT(), clang::driver::toolchains::Darwin::isMacosxVersionLT(), clang::driver::toolchains::Darwin::isTargetIPhoneOS(), and clang::driver::toolchains::Darwin::isTargetMacOS().

Referenced by clang::driver::toolchains::Darwin::addStartObjectFileArgs().

◆ addDefaultCRTLinkArgs()

static void addDefaultCRTLinkArgs	(	const Darwin &	D,
		const ArgList &	Args,
		ArgStringList &	CmdArgs
	)

static

Definition at line 3337 of file Darwin.cpp.

References clang::driver::ToolChain::getArch(), clang::driver::toolchains::Darwin::isIPhoneOSVersionLT(), clang::driver::toolchains::Darwin::isMacosxVersionLT(), clang::driver::toolchains::Darwin::isTargetIPhoneOS(), and clang::driver::toolchains::Darwin::isTargetMacOS().

Referenced by clang::driver::toolchains::Darwin::addStartObjectFileArgs().

◆ addDynamicLibLinkArgs()

static void addDynamicLibLinkArgs	(	const Darwin &	D,
		const ArgList &	Args,
		ArgStringList &	CmdArgs
	)

static

Definition at line 3284 of file Darwin.cpp.

References clang::driver::toolchains::Darwin::isIPhoneOSVersionLT(), clang::driver::toolchains::Darwin::isMacosxVersionLT(), clang::driver::toolchains::Darwin::isTargetIPhoneOS(), and clang::driver::toolchains::Darwin::isTargetMacOS().

Referenced by clang::driver::toolchains::Darwin::addStartObjectFileArgs().

◆ addExportedSymbol()

static void addExportedSymbol	(	ArgStringList &	CmdArgs,
		const char *	Symbol
	)

static

Add an export directive for Symbol to the link command.

Definition at line 1383 of file Darwin.cpp.

Referenced by clang::driver::toolchains::Darwin::addProfileRTLibs().

◆ addPgProfilingLinkArgs()

static void addPgProfilingLinkArgs	(	const Darwin &	D,
		const ArgList &	Args,
		ArgStringList &	CmdArgs
	)

static

Definition at line 3313 of file Darwin.cpp.

References clang::driver::Driver::Diag(), clang::driver::ToolChain::getDriver(), clang::driver::toolchains::Darwin::isMacosxVersionLT(), clang::driver::toolchains::Darwin::isTargetMacOS(), and clang::driver::toolchains::Darwin::isTargetMacOSBased().

Referenced by clang::driver::toolchains::Darwin::addStartObjectFileArgs().

◆ addSectalignToPage()

static void addSectalignToPage	(	const ArgList &	Args,
		ArgStringList &	CmdArgs,
		StringRef	Segment,
		StringRef	Section
	)

static

Add a sectalign directive for Segment and Section to the maximum expected page size for Darwin.

On iPhone 6+ the max supported page size is 16K. On macOS, the max is 4K. Use a common alignment constant (16K) for now, and reduce the alignment on macOS if it proves important.

Definition at line 1394 of file Darwin.cpp.

Referenced by clang::driver::toolchains::Darwin::addProfileRTLibs().

◆ AppendPlatformPrefix()

static void AppendPlatformPrefix	(	SmallString< 128 > &	Path,
		const llvm::Triple &	T
	)

static

Definition at line 2396 of file Darwin.cpp.

References clang::T.

Referenced by clang::driver::tools::darwin::Linker::ConstructJob().

◆ ArmMachOArchName()

static const char * ArmMachOArchName ( StringRef Arch )

static

Definition at line 997 of file Darwin.cpp.

Referenced by clang::driver::toolchains::MachO::getMachOArchName().

◆ ArmMachOArchNameCPU()

static const char * ArmMachOArchNameCPU ( StringRef CPU )

static

Definition at line 1014 of file Darwin.cpp.

Referenced by clang::driver::toolchains::MachO::getMachOArchName().

◆ checkRemarksOptions()

static bool checkRemarksOptions	(	const Driver &	D,
		const ArgList &	Args,
		const llvm::Triple &	Triple
	)

static

Definition at line 491 of file Darwin.cpp.

References clang::driver::Driver::Diag(), and hasMultipleInvocations().

◆ getPlatformName()

static const char * getPlatformName	(	Darwin::DarwinPlatformKind	Platform,
		Darwin::DarwinEnvironmentKind	Environment
	)

static

Definition at line 3174 of file Darwin.cpp.

References clang::driver::toolchains::Darwin::DriverKit, clang::driver::toolchains::Darwin::IPhoneOS, clang::driver::toolchains::Darwin::MacCatalyst, clang::driver::toolchains::Darwin::MacOS, clang::driver::toolchains::Darwin::TvOS, clang::driver::toolchains::Darwin::WatchOS, and clang::driver::toolchains::Darwin::XROS.

Referenced by clang::driver::toolchains::Darwin::addPlatformVersionArgs(), clang::Sema::diagnoseUnavailableAlignedAllocation(), and llvm::MachO::operator<<().

◆ getSystemOrSDKMacOSVersion()

static std::string getSystemOrSDKMacOSVersion ( StringRef MacOSSDKVersion )

static

Returns the most appropriate macOS target version for the current process.

If the macOS SDK version is the same or earlier than the system version, then the SDK version is returned. Otherwise the system version is returned.

Definition at line 1571 of file Darwin.cpp.

References clang::driver::Driver::GetReleaseVersion().

◆ getXcodeDeveloperPath()

static StringRef getXcodeDeveloperPath ( StringRef PathIntoXcode )

static

Take a path that speculatively points into Xcode and return the XCODE/Contents/Developer path if it is an Xcode path, or an empty path otherwise.

Definition at line 1169 of file Darwin.cpp.

Referenced by clang::driver::toolchains::DarwinClang::AddLinkARCArgs().

◆ hasExportSymbolDirective()

static bool hasExportSymbolDirective ( const ArgList & Args )

static

Check if the link command contains a symbol export directive.

Definition at line 1368 of file Darwin.cpp.

Referenced by clang::driver::toolchains::Darwin::addProfileRTLibs().

◆ isObjCRuntimeLinked()

static bool isObjCRuntimeLinked ( const ArgList & Args )

static

Determine whether we are linking the ObjC runtime.

Definition at line 483 of file Darwin.cpp.

References clang::driver::tools::isObjCAutoRefCount().

Referenced by clang::driver::tools::darwin::Linker::ConstructJob().

◆ minimumMacCatalystDeploymentTarget()

static VersionTuple minimumMacCatalystDeploymentTarget ( )

static

Definition at line 38 of file Darwin.cpp.

Referenced by clang::driver::toolchains::Darwin::addClangCC1ASTargetOptions(), and clang::driver::toolchains::Darwin::addPlatformVersionArgs().

◆ renderRemarksOptions()

static void renderRemarksOptions	(	const ArgList &	Args,
		ArgStringList &	CmdArgs,
		const llvm::Triple &	Triple,
		const InputInfo &	Output,
		const JobAction &	JA
	)

static

Definition at line 508 of file Darwin.cpp.

References clang::driver::InputInfo::getFilename(), clang::driver::tools::getLastProfileUseArg(), and clang::driver::InputInfo::isFilename().

◆ sdkSupportsBuiltinModules()

static bool sdkSupportsBuiltinModules	(	const Darwin::DarwinPlatformKind &	TargetPlatform,
		const std::optional< DarwinSDKInfo > &	SDKInfo
	)

static

Definition at line 2894 of file Darwin.cpp.

References clang::driver::toolchains::Darwin::IPhoneOS, clang::driver::toolchains::Darwin::MacOS, clang::driver::toolchains::Darwin::TvOS, clang::driver::toolchains::Darwin::WatchOS, and clang::driver::toolchains::Darwin::XROS.

Referenced by clang::driver::toolchains::Darwin::addClangTargetOptions().

◆ shouldLinkerNotDedup()

static bool shouldLinkerNotDedup	(	bool	IsLinkerOnlyAction,
		const ArgList &	Args
	)

static

Pass -no_deduplicate to ld64 under certain conditions:

Either -O0 or -O1 is explicitly specified
No -O option is specified and this is a compile+link (implicit -O0)

Also do not add -no_deduplicate when no -O option is specified and this is just a link (we can't imply -O0)

Definition at line 203 of file Darwin.cpp.

Functions

Function Documentation

◆ addBundleLinkArgs()

◆ addDefaultCRTLinkArgs()

◆ addDynamicLibLinkArgs()

◆ addExportedSymbol()

◆ addPgProfilingLinkArgs()

◆ addSectalignToPage()

◆ AppendPlatformPrefix()

◆ ArmMachOArchName()

◆ ArmMachOArchNameCPU()

◆ checkRemarksOptions()

◆ getPlatformName()

◆ getSystemOrSDKMacOSVersion()

◆ getXcodeDeveloperPath()

◆ hasExportSymbolDirective()

◆ isObjCRuntimeLinked()

◆ minimumMacCatalystDeploymentTarget()

◆ renderRemarksOptions()

◆ sdkSupportsBuiltinModules()

◆ shouldLinkerNotDedup()