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586 lines
21 KiB
586 lines
21 KiB
//===--- Darwin.h - Darwin ToolChain Implementations ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DARWIN_H
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#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DARWIN_H
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#include "Cuda.h"
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#include "ROCm.h"
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#include "clang/Basic/LangOptions.h"
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#include "clang/Driver/DarwinSDKInfo.h"
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#include "clang/Driver/Tool.h"
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#include "clang/Driver/ToolChain.h"
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#include "clang/Driver/XRayArgs.h"
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namespace clang {
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namespace driver {
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namespace toolchains {
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class MachO;
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} // end namespace toolchains
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namespace tools {
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namespace darwin {
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llvm::Triple::ArchType getArchTypeForMachOArchName(StringRef Str);
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void setTripleTypeForMachOArchName(llvm::Triple &T, StringRef Str);
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class LLVM_LIBRARY_VISIBILITY MachOTool : public Tool {
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virtual void anchor();
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protected:
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void AddMachOArch(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const;
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const toolchains::MachO &getMachOToolChain() const {
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return reinterpret_cast<const toolchains::MachO &>(getToolChain());
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}
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public:
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MachOTool(const char *Name, const char *ShortName, const ToolChain &TC)
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: Tool(Name, ShortName, TC) {}
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};
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class LLVM_LIBRARY_VISIBILITY Assembler : public MachOTool {
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public:
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Assembler(const ToolChain &TC)
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: MachOTool("darwin::Assembler", "assembler", TC) {}
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bool hasIntegratedCPP() const override { return false; }
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void ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output, const InputInfoList &Inputs,
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const llvm::opt::ArgList &TCArgs,
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const char *LinkingOutput) const override;
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};
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class LLVM_LIBRARY_VISIBILITY Linker : public MachOTool {
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bool NeedsTempPath(const InputInfoList &Inputs) const;
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void AddLinkArgs(Compilation &C, const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs,
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const InputInfoList &Inputs, unsigned Version[5],
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bool LinkerIsLLD, bool LinkerIsLLDDarwinNew) const;
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public:
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Linker(const ToolChain &TC) : MachOTool("darwin::Linker", "linker", TC) {}
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bool hasIntegratedCPP() const override { return false; }
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bool isLinkJob() const override { return true; }
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void ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output, const InputInfoList &Inputs,
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const llvm::opt::ArgList &TCArgs,
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const char *LinkingOutput) const override;
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};
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class LLVM_LIBRARY_VISIBILITY Lipo : public MachOTool {
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public:
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Lipo(const ToolChain &TC) : MachOTool("darwin::Lipo", "lipo", TC) {}
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bool hasIntegratedCPP() const override { return false; }
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void ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output, const InputInfoList &Inputs,
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const llvm::opt::ArgList &TCArgs,
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const char *LinkingOutput) const override;
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};
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class LLVM_LIBRARY_VISIBILITY Dsymutil : public MachOTool {
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public:
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Dsymutil(const ToolChain &TC)
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: MachOTool("darwin::Dsymutil", "dsymutil", TC) {}
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bool hasIntegratedCPP() const override { return false; }
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bool isDsymutilJob() const override { return true; }
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void ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output, const InputInfoList &Inputs,
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const llvm::opt::ArgList &TCArgs,
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const char *LinkingOutput) const override;
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};
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class LLVM_LIBRARY_VISIBILITY VerifyDebug : public MachOTool {
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public:
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VerifyDebug(const ToolChain &TC)
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: MachOTool("darwin::VerifyDebug", "dwarfdump", TC) {}
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bool hasIntegratedCPP() const override { return false; }
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void ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output, const InputInfoList &Inputs,
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const llvm::opt::ArgList &TCArgs,
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const char *LinkingOutput) const override;
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};
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} // end namespace darwin
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} // end namespace tools
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namespace toolchains {
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class LLVM_LIBRARY_VISIBILITY MachO : public ToolChain {
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protected:
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Tool *buildAssembler() const override;
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Tool *buildLinker() const override;
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Tool *getTool(Action::ActionClass AC) const override;
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private:
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mutable std::unique_ptr<tools::darwin::Lipo> Lipo;
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mutable std::unique_ptr<tools::darwin::Dsymutil> Dsymutil;
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mutable std::unique_ptr<tools::darwin::VerifyDebug> VerifyDebug;
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public:
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MachO(const Driver &D, const llvm::Triple &Triple,
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const llvm::opt::ArgList &Args);
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~MachO() override;
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/// @name MachO specific toolchain API
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/// {
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/// Get the "MachO" arch name for a particular compiler invocation. For
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/// example, Apple treats different ARM variations as distinct architectures.
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StringRef getMachOArchName(const llvm::opt::ArgList &Args) const;
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/// Add the linker arguments to link the ARC runtime library.
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virtual void AddLinkARCArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const {}
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/// Add the linker arguments to link the compiler runtime library.
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///
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/// FIXME: This API is intended for use with embedded libraries only, and is
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/// misleadingly named.
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virtual void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs,
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bool ForceLinkBuiltinRT = false) const;
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virtual void addStartObjectFileArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const {
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}
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virtual void addMinVersionArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const {}
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virtual void addPlatformVersionArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const {
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}
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/// On some iOS platforms, kernel and kernel modules were built statically. Is
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/// this such a target?
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virtual bool isKernelStatic() const { return false; }
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/// Is the target either iOS or an iOS simulator?
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bool isTargetIOSBased() const { return false; }
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/// Options to control how a runtime library is linked.
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enum RuntimeLinkOptions : unsigned {
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/// Link the library in even if it can't be found in the VFS.
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RLO_AlwaysLink = 1 << 0,
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/// Use the embedded runtime from the macho_embedded directory.
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RLO_IsEmbedded = 1 << 1,
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/// Emit rpaths for @executable_path as well as the resource directory.
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RLO_AddRPath = 1 << 2,
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/// Link the library in before any others.
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RLO_FirstLink = 1 << 3,
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};
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/// Add a runtime library to the list of items to link.
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void AddLinkRuntimeLib(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs, StringRef Component,
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RuntimeLinkOptions Opts = RuntimeLinkOptions(),
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bool IsShared = false) const;
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/// Add any profiling runtime libraries that are needed. This is essentially a
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/// MachO specific version of addProfileRT in Tools.cpp.
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void addProfileRTLibs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const override {
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// There aren't any profiling libs for embedded targets currently.
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}
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/// }
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/// @name ToolChain Implementation
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/// {
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types::ID LookupTypeForExtension(StringRef Ext) const override;
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bool HasNativeLLVMSupport() const override;
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llvm::opt::DerivedArgList *
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TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
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Action::OffloadKind DeviceOffloadKind) const override;
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bool IsBlocksDefault() const override {
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// Always allow blocks on Apple; users interested in versioning are
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// expected to use /usr/include/Block.h.
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return true;
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}
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bool IsIntegratedAssemblerDefault() const override {
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// Default integrated assembler to on for Apple's MachO targets.
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return true;
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}
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bool IsMathErrnoDefault() const override { return false; }
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bool IsEncodeExtendedBlockSignatureDefault() const override { return true; }
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bool IsObjCNonFragileABIDefault() const override {
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// Non-fragile ABI is default for everything but i386.
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return getTriple().getArch() != llvm::Triple::x86;
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}
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bool UseObjCMixedDispatch() const override { return true; }
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bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
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RuntimeLibType GetDefaultRuntimeLibType() const override {
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return ToolChain::RLT_CompilerRT;
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}
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bool isPICDefault() const override;
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bool isPIEDefault() const override;
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bool isPICDefaultForced() const override;
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bool SupportsProfiling() const override;
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bool UseDwarfDebugFlags() const override;
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llvm::ExceptionHandling
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GetExceptionModel(const llvm::opt::ArgList &Args) const override {
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return llvm::ExceptionHandling::None;
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}
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virtual StringRef getOSLibraryNameSuffix(bool IgnoreSim = false) const {
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return "";
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}
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// Darwin toolchain uses legacy thin LTO API, which is not
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// capable of unit splitting.
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bool canSplitThinLTOUnit() const override { return false; }
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/// }
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};
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/// Darwin - The base Darwin tool chain.
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class LLVM_LIBRARY_VISIBILITY Darwin : public MachO {
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public:
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/// Whether the information on the target has been initialized.
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//
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// FIXME: This should be eliminated. What we want to do is make this part of
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// the "default target for arguments" selection process, once we get out of
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// the argument translation business.
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mutable bool TargetInitialized;
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enum DarwinPlatformKind {
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MacOS,
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IPhoneOS,
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TvOS,
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WatchOS,
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LastDarwinPlatform = WatchOS
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};
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enum DarwinEnvironmentKind {
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NativeEnvironment,
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Simulator,
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};
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mutable DarwinPlatformKind TargetPlatform;
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mutable DarwinEnvironmentKind TargetEnvironment;
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/// The OS version we are targeting.
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mutable VersionTuple TargetVersion;
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/// The information about the darwin SDK that was used.
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mutable Optional<DarwinSDKInfo> SDKInfo;
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CudaInstallationDetector CudaInstallation;
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RocmInstallationDetector RocmInstallation;
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private:
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void AddDeploymentTarget(llvm::opt::DerivedArgList &Args) const;
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public:
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Darwin(const Driver &D, const llvm::Triple &Triple,
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const llvm::opt::ArgList &Args);
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~Darwin() override;
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std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
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types::ID InputType) const override;
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/// @name Apple Specific Toolchain Implementation
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/// {
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void addMinVersionArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const override;
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void addPlatformVersionArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const override;
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void addStartObjectFileArgs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const override;
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bool isKernelStatic() const override {
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return (!(isTargetIPhoneOS() && !isIPhoneOSVersionLT(6, 0)) &&
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!isTargetWatchOS());
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}
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void addProfileRTLibs(const llvm::opt::ArgList &Args,
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llvm::opt::ArgStringList &CmdArgs) const override;
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protected:
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/// }
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/// @name Darwin specific Toolchain functions
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/// {
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// FIXME: Eliminate these ...Target functions and derive separate tool chains
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// for these targets and put version in constructor.
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void setTarget(DarwinPlatformKind Platform, DarwinEnvironmentKind Environment,
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unsigned Major, unsigned Minor, unsigned Micro) const {
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// FIXME: For now, allow reinitialization as long as values don't
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// change. This will go away when we move away from argument translation.
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if (TargetInitialized && TargetPlatform == Platform &&
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TargetEnvironment == Environment &&
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TargetVersion == VersionTuple(Major, Minor, Micro))
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return;
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assert(!TargetInitialized && "Target already initialized!");
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TargetInitialized = true;
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TargetPlatform = Platform;
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TargetEnvironment = Environment;
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TargetVersion = VersionTuple(Major, Minor, Micro);
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if (Environment == Simulator)
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const_cast<Darwin *>(this)->setTripleEnvironment(llvm::Triple::Simulator);
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}
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public:
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bool isTargetIPhoneOS() const {
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assert(TargetInitialized && "Target not initialized!");
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return (TargetPlatform == IPhoneOS || TargetPlatform == TvOS) &&
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TargetEnvironment == NativeEnvironment;
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}
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bool isTargetIOSSimulator() const {
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assert(TargetInitialized && "Target not initialized!");
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return (TargetPlatform == IPhoneOS || TargetPlatform == TvOS) &&
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TargetEnvironment == Simulator;
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}
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bool isTargetIOSBased() const {
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assert(TargetInitialized && "Target not initialized!");
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return isTargetIPhoneOS() || isTargetIOSSimulator();
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}
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bool isTargetTvOS() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == TvOS && TargetEnvironment == NativeEnvironment;
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}
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bool isTargetTvOSSimulator() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == TvOS && TargetEnvironment == Simulator;
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}
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bool isTargetTvOSBased() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == TvOS;
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}
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bool isTargetWatchOS() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == WatchOS && TargetEnvironment == NativeEnvironment;
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}
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bool isTargetWatchOSSimulator() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == WatchOS && TargetEnvironment == Simulator;
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}
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bool isTargetWatchOSBased() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == WatchOS;
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}
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bool isTargetMacOS() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetPlatform == MacOS;
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}
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bool isTargetMacOSBased() const {
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assert(TargetInitialized && "Target not initialized!");
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// FIXME (Alex L): Add remaining MacCatalyst suppport.
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return TargetPlatform == MacOS;
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}
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bool isTargetAppleSiliconMac() const {
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assert(TargetInitialized && "Target not initialized!");
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return isTargetMacOSBased() && getArch() == llvm::Triple::aarch64;
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}
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bool isTargetInitialized() const { return TargetInitialized; }
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VersionTuple getTargetVersion() const {
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assert(TargetInitialized && "Target not initialized!");
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return TargetVersion;
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}
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bool isIPhoneOSVersionLT(unsigned V0, unsigned V1 = 0,
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unsigned V2 = 0) const {
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assert(isTargetIOSBased() && "Unexpected call for non iOS target!");
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return TargetVersion < VersionTuple(V0, V1, V2);
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}
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/// Returns true if the minimum supported macOS version for the slice that's
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/// being built is less than the specified version. If there's no minimum
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/// supported macOS version, the deployment target version is compared to the
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/// specifed version instead.
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bool isMacosxVersionLT(unsigned V0, unsigned V1 = 0, unsigned V2 = 0) const {
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assert(isTargetMacOS() && getTriple().isMacOSX() &&
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"Unexpected call for non OS X target!");
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// The effective triple might not be initialized yet, so construct a
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// pseudo-effective triple to get the minimum supported OS version.
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VersionTuple MinVers =
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llvm::Triple(getTriple().getArchName(), "apple", "macos")
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.getMinimumSupportedOSVersion();
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return (!MinVers.empty() && MinVers > TargetVersion
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? MinVers
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: TargetVersion) < VersionTuple(V0, V1, V2);
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}
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protected:
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/// Return true if c++17 aligned allocation/deallocation functions are not
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/// implemented in the c++ standard library of the deployment target we are
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/// targeting.
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bool isAlignedAllocationUnavailable() const;
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void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
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llvm::opt::ArgStringList &CC1Args,
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Action::OffloadKind DeviceOffloadKind) const override;
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StringRef getPlatformFamily() const;
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StringRef getOSLibraryNameSuffix(bool IgnoreSim = false) const override;
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public:
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static StringRef getSDKName(StringRef isysroot);
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/// }
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/// @name ToolChain Implementation
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/// {
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// Darwin tools support multiple architecture (e.g., i386 and x86_64) and
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// most development is done against SDKs, so compiling for a different
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// architecture should not get any special treatment.
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bool isCrossCompiling() const override { return false; }
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llvm::opt::DerivedArgList *
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TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
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Action::OffloadKind DeviceOffloadKind) const override;
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CXXStdlibType GetDefaultCXXStdlibType() const override;
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ObjCRuntime getDefaultObjCRuntime(bool isNonFragile) const override;
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bool hasBlocksRuntime() const override;
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void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
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llvm::opt::ArgStringList &CC1Args) const override;
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void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
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llvm::opt::ArgStringList &CC1Args) const override;
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bool UseObjCMixedDispatch() const override {
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// This is only used with the non-fragile ABI and non-legacy dispatch.
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// Mixed dispatch is used everywhere except OS X before 10.6.
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return !(isTargetMacOS() && isMacosxVersionLT(10, 6));
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}
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LangOptions::StackProtectorMode
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GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
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// Stack protectors default to on for user code on 10.5,
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// and for everything in 10.6 and beyond
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if (isTargetIOSBased() || isTargetWatchOSBased())
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return LangOptions::SSPOn;
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else if (isTargetMacOS() && !isMacosxVersionLT(10, 6))
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return LangOptions::SSPOn;
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else if (isTargetMacOS() && !isMacosxVersionLT(10, 5) && !KernelOrKext)
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return LangOptions::SSPOn;
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return LangOptions::SSPOff;
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}
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void CheckObjCARC() const override;
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llvm::ExceptionHandling GetExceptionModel(
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const llvm::opt::ArgList &Args) const override;
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|
|
|
bool SupportsEmbeddedBitcode() const override;
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|
|
|
SanitizerMask getSupportedSanitizers() const override;
|
|
|
|
void printVerboseInfo(raw_ostream &OS) const override;
|
|
};
|
|
|
|
/// DarwinClang - The Darwin toolchain used by Clang.
|
|
class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin {
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|
public:
|
|
DarwinClang(const Driver &D, const llvm::Triple &Triple,
|
|
const llvm::opt::ArgList &Args);
|
|
|
|
/// @name Apple ToolChain Implementation
|
|
/// {
|
|
|
|
RuntimeLibType GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
|
|
|
|
void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
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|
llvm::opt::ArgStringList &CmdArgs,
|
|
bool ForceLinkBuiltinRT = false) const override;
|
|
|
|
void AddClangCXXStdlibIncludeArgs(
|
|
const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const override;
|
|
|
|
void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const override;
|
|
|
|
void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const override;
|
|
|
|
void AddCCKextLibArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const override;
|
|
|
|
void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) const override;
|
|
|
|
void AddLinkARCArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const override;
|
|
|
|
unsigned GetDefaultDwarfVersion() const override;
|
|
// Until dtrace (via CTF) and LLDB can deal with distributed debug info,
|
|
// Darwin defaults to standalone/full debug info.
|
|
bool GetDefaultStandaloneDebug() const override { return true; }
|
|
llvm::DebuggerKind getDefaultDebuggerTuning() const override {
|
|
return llvm::DebuggerKind::LLDB;
|
|
}
|
|
|
|
/// }
|
|
|
|
private:
|
|
void AddLinkSanitizerLibArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs,
|
|
StringRef Sanitizer,
|
|
bool shared = true) const;
|
|
|
|
bool AddGnuCPlusPlusIncludePaths(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args,
|
|
llvm::SmallString<128> Base,
|
|
llvm::StringRef Version,
|
|
llvm::StringRef ArchDir,
|
|
llvm::StringRef BitDir) const;
|
|
|
|
llvm::StringRef GetHeaderSysroot(const llvm::opt::ArgList &DriverArgs) const;
|
|
};
|
|
|
|
} // end namespace toolchains
|
|
} // end namespace driver
|
|
} // end namespace clang
|
|
|
|
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DARWIN_H
|