forked from OSchip/llvm-project
3462 lines
124 KiB
C++
3462 lines
124 KiB
C++
//===--- ToolChains.cpp - ToolChain Implementations -----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ToolChains.h"
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#include "clang/Basic/ObjCRuntime.h"
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#include "clang/Basic/Version.h"
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#include "clang/Config/config.h" // for GCC_INSTALL_PREFIX
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/SanitizerArgs.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/OptTable.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Program.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstdlib> // ::getenv
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#include <system_error>
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using namespace clang::driver;
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using namespace clang::driver::toolchains;
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using namespace clang;
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using namespace llvm::opt;
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MachO::MachO(const Driver &D, const llvm::Triple &Triple,
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const ArgList &Args)
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: ToolChain(D, Triple, Args) {
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getProgramPaths().push_back(getDriver().getInstalledDir());
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if (getDriver().getInstalledDir() != getDriver().Dir)
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getProgramPaths().push_back(getDriver().Dir);
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// We expect 'as', 'ld', etc. to be adjacent to our install dir.
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getProgramPaths().push_back(getDriver().getInstalledDir());
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if (getDriver().getInstalledDir() != getDriver().Dir)
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getProgramPaths().push_back(getDriver().Dir);
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}
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/// Darwin - Darwin tool chain for i386 and x86_64.
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Darwin::Darwin(const Driver & D, const llvm::Triple & Triple,
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const ArgList & Args)
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: MachO(D, Triple, Args), TargetInitialized(false) {
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// Compute the initial Darwin version from the triple
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unsigned Major, Minor, Micro;
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if (!Triple.getMacOSXVersion(Major, Minor, Micro))
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getDriver().Diag(diag::err_drv_invalid_darwin_version) <<
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Triple.getOSName();
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llvm::raw_string_ostream(MacosxVersionMin)
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<< Major << '.' << Minor << '.' << Micro;
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// FIXME: DarwinVersion is only used to find GCC's libexec directory.
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// It should be removed when we stop supporting that.
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DarwinVersion[0] = Minor + 4;
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DarwinVersion[1] = Micro;
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DarwinVersion[2] = 0;
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// Compute the initial iOS version from the triple
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Triple.getiOSVersion(Major, Minor, Micro);
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llvm::raw_string_ostream(iOSVersionMin)
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<< Major << '.' << Minor << '.' << Micro;
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}
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types::ID MachO::LookupTypeForExtension(const char *Ext) const {
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types::ID Ty = types::lookupTypeForExtension(Ext);
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// Darwin always preprocesses assembly files (unless -x is used explicitly).
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if (Ty == types::TY_PP_Asm)
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return types::TY_Asm;
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return Ty;
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}
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bool MachO::HasNativeLLVMSupport() const {
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return true;
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}
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/// Darwin provides an ARC runtime starting in MacOS X 10.7 and iOS 5.0.
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ObjCRuntime Darwin::getDefaultObjCRuntime(bool isNonFragile) const {
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if (isTargetIOSBased())
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return ObjCRuntime(ObjCRuntime::iOS, TargetVersion);
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if (isNonFragile)
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return ObjCRuntime(ObjCRuntime::MacOSX, TargetVersion);
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return ObjCRuntime(ObjCRuntime::FragileMacOSX, TargetVersion);
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}
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/// Darwin provides a blocks runtime starting in MacOS X 10.6 and iOS 3.2.
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bool Darwin::hasBlocksRuntime() const {
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if (isTargetIOSBased())
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return !isIPhoneOSVersionLT(3, 2);
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else {
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assert(isTargetMacOS() && "unexpected darwin target");
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return !isMacosxVersionLT(10, 6);
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}
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}
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static const char *GetArmArchForMArch(StringRef Value) {
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return llvm::StringSwitch<const char*>(Value)
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.Case("armv6k", "armv6")
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.Case("armv6m", "armv6m")
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.Case("armv5tej", "armv5")
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.Case("xscale", "xscale")
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.Case("armv4t", "armv4t")
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.Case("armv7", "armv7")
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.Cases("armv7a", "armv7-a", "armv7")
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.Cases("armv7r", "armv7-r", "armv7")
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.Cases("armv7em", "armv7e-m", "armv7em")
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.Cases("armv7k", "armv7-k", "armv7k")
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.Cases("armv7m", "armv7-m", "armv7m")
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.Cases("armv7s", "armv7-s", "armv7s")
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.Default(nullptr);
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}
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static const char *GetArmArchForMCpu(StringRef Value) {
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return llvm::StringSwitch<const char *>(Value)
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.Cases("arm9e", "arm946e-s", "arm966e-s", "arm968e-s", "arm926ej-s","armv5")
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.Cases("arm10e", "arm10tdmi", "armv5")
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.Cases("arm1020t", "arm1020e", "arm1022e", "arm1026ej-s", "armv5")
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.Case("xscale", "xscale")
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.Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "arm1176jzf-s", "armv6")
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.Case("cortex-m0", "armv6m")
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.Cases("cortex-a5", "cortex-a7", "cortex-a8", "cortex-a9-mp", "armv7")
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.Cases("cortex-a9", "cortex-a12", "cortex-a15", "cortex-a17", "krait", "armv7")
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.Cases("cortex-r4", "cortex-r5", "armv7r")
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.Case("cortex-m3", "armv7m")
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.Cases("cortex-m4", "cortex-m7", "armv7em")
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.Case("swift", "armv7s")
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.Default(nullptr);
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}
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static bool isSoftFloatABI(const ArgList &Args) {
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Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float,
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options::OPT_mfloat_abi_EQ);
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if (!A)
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return false;
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return A->getOption().matches(options::OPT_msoft_float) ||
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(A->getOption().matches(options::OPT_mfloat_abi_EQ) &&
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A->getValue() == StringRef("soft"));
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}
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StringRef MachO::getMachOArchName(const ArgList &Args) const {
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switch (getTriple().getArch()) {
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default:
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return getDefaultUniversalArchName();
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case llvm::Triple::aarch64:
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return "arm64";
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case llvm::Triple::thumb:
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case llvm::Triple::arm: {
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if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
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if (const char *Arch = GetArmArchForMArch(A->getValue()))
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return Arch;
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if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
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if (const char *Arch = GetArmArchForMCpu(A->getValue()))
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return Arch;
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return "arm";
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}
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}
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}
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Darwin::~Darwin() {
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}
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MachO::~MachO() {
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}
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std::string MachO::ComputeEffectiveClangTriple(const ArgList &Args,
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types::ID InputType) const {
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llvm::Triple Triple(ComputeLLVMTriple(Args, InputType));
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return Triple.getTriple();
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}
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std::string Darwin::ComputeEffectiveClangTriple(const ArgList &Args,
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types::ID InputType) const {
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llvm::Triple Triple(ComputeLLVMTriple(Args, InputType));
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// If the target isn't initialized (e.g., an unknown Darwin platform, return
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// the default triple).
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if (!isTargetInitialized())
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return Triple.getTriple();
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SmallString<16> Str;
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Str += isTargetIOSBased() ? "ios" : "macosx";
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Str += getTargetVersion().getAsString();
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Triple.setOSName(Str);
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return Triple.getTriple();
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}
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void Generic_ELF::anchor() {}
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Tool *MachO::getTool(Action::ActionClass AC) const {
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switch (AC) {
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case Action::LipoJobClass:
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if (!Lipo)
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Lipo.reset(new tools::darwin::Lipo(*this));
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return Lipo.get();
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case Action::DsymutilJobClass:
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if (!Dsymutil)
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Dsymutil.reset(new tools::darwin::Dsymutil(*this));
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return Dsymutil.get();
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case Action::VerifyDebugInfoJobClass:
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if (!VerifyDebug)
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VerifyDebug.reset(new tools::darwin::VerifyDebug(*this));
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return VerifyDebug.get();
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default:
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return ToolChain::getTool(AC);
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}
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}
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Tool *MachO::buildLinker() const {
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return new tools::darwin::Link(*this);
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}
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Tool *MachO::buildAssembler() const {
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return new tools::darwin::Assemble(*this);
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}
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DarwinClang::DarwinClang(const Driver &D, const llvm::Triple& Triple,
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const ArgList &Args)
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: Darwin(D, Triple, Args) {
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}
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void DarwinClang::addClangWarningOptions(ArgStringList &CC1Args) const {
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// For iOS, 64-bit, promote certain warnings to errors.
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if (!isTargetMacOS() && getTriple().isArch64Bit()) {
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// Always enable -Wdeprecated-objc-isa-usage and promote it
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// to an error.
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CC1Args.push_back("-Wdeprecated-objc-isa-usage");
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CC1Args.push_back("-Werror=deprecated-objc-isa-usage");
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// Also error about implicit function declarations, as that
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// can impact calling conventions.
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CC1Args.push_back("-Werror=implicit-function-declaration");
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}
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}
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/// \brief Determine whether Objective-C automated reference counting is
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/// enabled.
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static bool isObjCAutoRefCount(const ArgList &Args) {
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return Args.hasFlag(options::OPT_fobjc_arc, options::OPT_fno_objc_arc, false);
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}
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void DarwinClang::AddLinkARCArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const {
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// Avoid linking compatibility stubs on i386 mac.
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if (isTargetMacOS() && getArch() == llvm::Triple::x86)
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return;
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ObjCRuntime runtime = getDefaultObjCRuntime(/*nonfragile*/ true);
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if ((runtime.hasNativeARC() || !isObjCAutoRefCount(Args)) &&
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runtime.hasSubscripting())
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return;
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CmdArgs.push_back("-force_load");
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SmallString<128> P(getDriver().ClangExecutable);
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llvm::sys::path::remove_filename(P); // 'clang'
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llvm::sys::path::remove_filename(P); // 'bin'
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llvm::sys::path::append(P, "lib", "arc", "libarclite_");
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// Mash in the platform.
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if (isTargetIOSSimulator())
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P += "iphonesimulator";
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else if (isTargetIPhoneOS())
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P += "iphoneos";
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else
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P += "macosx";
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P += ".a";
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CmdArgs.push_back(Args.MakeArgString(P));
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}
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void MachO::AddLinkRuntimeLib(const ArgList &Args, ArgStringList &CmdArgs,
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StringRef DarwinLibName, bool AlwaysLink,
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bool IsEmbedded) const {
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SmallString<128> P(getDriver().ResourceDir);
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llvm::sys::path::append(P, "lib", IsEmbedded ? "macho_embedded" : "darwin",
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DarwinLibName);
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// For now, allow missing resource libraries to support developers who may
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// not have compiler-rt checked out or integrated into their build (unless
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// we explicitly force linking with this library).
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if (AlwaysLink || llvm::sys::fs::exists(P.str()))
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CmdArgs.push_back(Args.MakeArgString(P.str()));
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}
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void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const {
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// Darwin only supports the compiler-rt based runtime libraries.
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switch (GetRuntimeLibType(Args)) {
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case ToolChain::RLT_CompilerRT:
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break;
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default:
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getDriver().Diag(diag::err_drv_unsupported_rtlib_for_platform)
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<< Args.getLastArg(options::OPT_rtlib_EQ)->getValue() << "darwin";
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return;
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}
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// Darwin doesn't support real static executables, don't link any runtime
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// libraries with -static.
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if (Args.hasArg(options::OPT_static) ||
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Args.hasArg(options::OPT_fapple_kext) ||
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Args.hasArg(options::OPT_mkernel))
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return;
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// Reject -static-libgcc for now, we can deal with this when and if someone
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// cares. This is useful in situations where someone wants to statically link
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// something like libstdc++, and needs its runtime support routines.
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if (const Arg *A = Args.getLastArg(options::OPT_static_libgcc)) {
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getDriver().Diag(diag::err_drv_unsupported_opt)
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<< A->getAsString(Args);
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return;
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}
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// If we are building profile support, link that library in.
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if (Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
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false) ||
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Args.hasArg(options::OPT_fprofile_generate) ||
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Args.hasArg(options::OPT_fprofile_instr_generate) ||
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Args.hasArg(options::OPT_fcreate_profile) ||
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Args.hasArg(options::OPT_coverage)) {
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// Select the appropriate runtime library for the target.
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if (isTargetIOSBased())
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.profile_ios.a");
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else
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.profile_osx.a");
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}
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const SanitizerArgs &Sanitize = getSanitizerArgs();
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// Add Ubsan runtime library, if required.
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if (Sanitize.needsUbsanRt()) {
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// FIXME: Move this check to SanitizerArgs::filterUnsupportedKinds.
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if (isTargetIOSBased()) {
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getDriver().Diag(diag::err_drv_clang_unsupported_per_platform)
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<< "-fsanitize=undefined";
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} else {
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assert(isTargetMacOS() && "unexpected non OS X target");
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.ubsan_osx.a", true);
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// The Ubsan runtime library requires C++.
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AddCXXStdlibLibArgs(Args, CmdArgs);
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}
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}
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// Add ASAN runtime library, if required. Dynamic libraries and bundles
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// should not be linked with the runtime library.
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if (Sanitize.needsAsanRt()) {
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// FIXME: Move this check to SanitizerArgs::filterUnsupportedKinds.
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if (isTargetIPhoneOS()) {
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getDriver().Diag(diag::err_drv_clang_unsupported_per_platform)
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<< "-fsanitize=address";
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} else {
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if (!Args.hasArg(options::OPT_dynamiclib) &&
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!Args.hasArg(options::OPT_bundle)) {
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// The ASAN runtime library requires C++.
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AddCXXStdlibLibArgs(Args, CmdArgs);
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}
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if (isTargetMacOS()) {
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AddLinkRuntimeLib(Args, CmdArgs,
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"libclang_rt.asan_osx_dynamic.dylib",
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true);
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} else {
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if (isTargetIOSSimulator()) {
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AddLinkRuntimeLib(Args, CmdArgs,
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"libclang_rt.asan_iossim_dynamic.dylib",
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true);
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}
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}
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}
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}
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// Otherwise link libSystem, then the dynamic runtime library, and finally any
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// target specific static runtime library.
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CmdArgs.push_back("-lSystem");
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// Select the dynamic runtime library and the target specific static library.
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if (isTargetIOSBased()) {
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// If we are compiling as iOS / simulator, don't attempt to link libgcc_s.1,
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// it never went into the SDK.
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// Linking against libgcc_s.1 isn't needed for iOS 5.0+
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if (isIPhoneOSVersionLT(5, 0) && !isTargetIOSSimulator() &&
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getTriple().getArch() != llvm::Triple::aarch64)
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CmdArgs.push_back("-lgcc_s.1");
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// We currently always need a static runtime library for iOS.
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.ios.a");
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} else {
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assert(isTargetMacOS() && "unexpected non MacOS platform");
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// The dynamic runtime library was merged with libSystem for 10.6 and
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// beyond; only 10.4 and 10.5 need an additional runtime library.
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if (isMacosxVersionLT(10, 5))
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CmdArgs.push_back("-lgcc_s.10.4");
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else if (isMacosxVersionLT(10, 6))
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CmdArgs.push_back("-lgcc_s.10.5");
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// For OS X, we thought we would only need a static runtime library when
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// targeting 10.4, to provide versions of the static functions which were
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// omitted from 10.4.dylib.
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//
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// Unfortunately, that turned out to not be true, because Darwin system
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// headers can still use eprintf on i386, and it is not exported from
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// libSystem. Therefore, we still must provide a runtime library just for
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// the tiny tiny handful of projects that *might* use that symbol.
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if (isMacosxVersionLT(10, 5)) {
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.10.4.a");
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} else {
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if (getTriple().getArch() == llvm::Triple::x86)
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.eprintf.a");
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AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.osx.a");
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}
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}
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}
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void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
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const OptTable &Opts = getDriver().getOpts();
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// Support allowing the SDKROOT environment variable used by xcrun and other
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// Xcode tools to define the default sysroot, by making it the default for
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// isysroot.
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if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
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// Warn if the path does not exist.
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if (!llvm::sys::fs::exists(A->getValue()))
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getDriver().Diag(clang::diag::warn_missing_sysroot) << A->getValue();
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} else {
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if (char *env = ::getenv("SDKROOT")) {
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// We only use this value as the default if it is an absolute path,
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// exists, and it is not the root path.
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if (llvm::sys::path::is_absolute(env) && llvm::sys::fs::exists(env) &&
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StringRef(env) != "/") {
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|
Args.append(Args.MakeSeparateArg(
|
|
nullptr, Opts.getOption(options::OPT_isysroot), env));
|
|
}
|
|
}
|
|
}
|
|
|
|
Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
|
|
Arg *iOSVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ);
|
|
|
|
if (OSXVersion && iOSVersion) {
|
|
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< OSXVersion->getAsString(Args)
|
|
<< iOSVersion->getAsString(Args);
|
|
iOSVersion = nullptr;
|
|
} else if (!OSXVersion && !iOSVersion) {
|
|
// If no deployment target was specified on the command line, check for
|
|
// environment defines.
|
|
StringRef OSXTarget;
|
|
StringRef iOSTarget;
|
|
if (char *env = ::getenv("MACOSX_DEPLOYMENT_TARGET"))
|
|
OSXTarget = env;
|
|
if (char *env = ::getenv("IPHONEOS_DEPLOYMENT_TARGET"))
|
|
iOSTarget = env;
|
|
|
|
// If no '-miphoneos-version-min' specified on the command line and
|
|
// IPHONEOS_DEPLOYMENT_TARGET is not defined, see if we can set the default
|
|
// based on -isysroot.
|
|
if (iOSTarget.empty()) {
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
StringRef first, second;
|
|
StringRef isysroot = A->getValue();
|
|
std::tie(first, second) = isysroot.split(StringRef("SDKs/iPhoneOS"));
|
|
if (second != "")
|
|
iOSTarget = second.substr(0,3);
|
|
}
|
|
}
|
|
|
|
// If no OSX or iOS target has been specified and we're compiling for armv7,
|
|
// go ahead as assume we're targeting iOS.
|
|
StringRef MachOArchName = getMachOArchName(Args);
|
|
if (OSXTarget.empty() && iOSTarget.empty() &&
|
|
(MachOArchName == "armv7" || MachOArchName == "armv7s" ||
|
|
MachOArchName == "arm64"))
|
|
iOSTarget = iOSVersionMin;
|
|
|
|
// Allow conflicts among OSX and iOS for historical reasons, but choose the
|
|
// default platform.
|
|
if (!OSXTarget.empty() && !iOSTarget.empty()) {
|
|
if (getTriple().getArch() == llvm::Triple::arm ||
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
getTriple().getArch() == llvm::Triple::thumb)
|
|
OSXTarget = "";
|
|
else
|
|
iOSTarget = "";
|
|
}
|
|
|
|
if (!OSXTarget.empty()) {
|
|
const Option O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
|
|
OSXVersion = Args.MakeJoinedArg(nullptr, O, OSXTarget);
|
|
Args.append(OSXVersion);
|
|
} else if (!iOSTarget.empty()) {
|
|
const Option O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
|
|
iOSVersion = Args.MakeJoinedArg(nullptr, O, iOSTarget);
|
|
Args.append(iOSVersion);
|
|
} else if (MachOArchName != "armv6m" && MachOArchName != "armv7m" &&
|
|
MachOArchName != "armv7em") {
|
|
// Otherwise, assume we are targeting OS X.
|
|
const Option O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
|
|
OSXVersion = Args.MakeJoinedArg(nullptr, O, MacosxVersionMin);
|
|
Args.append(OSXVersion);
|
|
}
|
|
}
|
|
|
|
DarwinPlatformKind Platform;
|
|
if (OSXVersion)
|
|
Platform = MacOS;
|
|
else if (iOSVersion)
|
|
Platform = IPhoneOS;
|
|
else
|
|
llvm_unreachable("Unable to infer Darwin variant");
|
|
|
|
// Set the tool chain target information.
|
|
unsigned Major, Minor, Micro;
|
|
bool HadExtra;
|
|
if (Platform == MacOS) {
|
|
assert(!iOSVersion && "Unknown target platform!");
|
|
if (!Driver::GetReleaseVersion(OSXVersion->getValue(), Major, Minor,
|
|
Micro, HadExtra) || HadExtra ||
|
|
Major != 10 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< OSXVersion->getAsString(Args);
|
|
} else if (Platform == IPhoneOS) {
|
|
assert(iOSVersion && "Unknown target platform!");
|
|
if (!Driver::GetReleaseVersion(iOSVersion->getValue(), Major, Minor,
|
|
Micro, HadExtra) || HadExtra ||
|
|
Major >= 10 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< iOSVersion->getAsString(Args);
|
|
} else
|
|
llvm_unreachable("unknown kind of Darwin platform");
|
|
|
|
// Recognize iOS targets with an x86 architecture as the iOS simulator.
|
|
if (iOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64))
|
|
Platform = IPhoneOSSimulator;
|
|
|
|
setTarget(Platform, Major, Minor, Micro);
|
|
}
|
|
|
|
void DarwinClang::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
CXXStdlibType Type = GetCXXStdlibType(Args);
|
|
|
|
switch (Type) {
|
|
case ToolChain::CST_Libcxx:
|
|
CmdArgs.push_back("-lc++");
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx: {
|
|
// Unfortunately, -lstdc++ doesn't always exist in the standard search path;
|
|
// it was previously found in the gcc lib dir. However, for all the Darwin
|
|
// platforms we care about it was -lstdc++.6, so we search for that
|
|
// explicitly if we can't see an obvious -lstdc++ candidate.
|
|
|
|
// Check in the sysroot first.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
SmallString<128> P(A->getValue());
|
|
llvm::sys::path::append(P, "usr", "lib", "libstdc++.dylib");
|
|
|
|
if (!llvm::sys::fs::exists(P.str())) {
|
|
llvm::sys::path::remove_filename(P);
|
|
llvm::sys::path::append(P, "libstdc++.6.dylib");
|
|
if (llvm::sys::fs::exists(P.str())) {
|
|
CmdArgs.push_back(Args.MakeArgString(P.str()));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Otherwise, look in the root.
|
|
// FIXME: This should be removed someday when we don't have to care about
|
|
// 10.6 and earlier, where /usr/lib/libstdc++.dylib does not exist.
|
|
if (!llvm::sys::fs::exists("/usr/lib/libstdc++.dylib") &&
|
|
llvm::sys::fs::exists("/usr/lib/libstdc++.6.dylib")) {
|
|
CmdArgs.push_back("/usr/lib/libstdc++.6.dylib");
|
|
return;
|
|
}
|
|
|
|
// Otherwise, let the linker search.
|
|
CmdArgs.push_back("-lstdc++");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DarwinClang::AddCCKextLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
|
|
// For Darwin platforms, use the compiler-rt-based support library
|
|
// instead of the gcc-provided one (which is also incidentally
|
|
// only present in the gcc lib dir, which makes it hard to find).
|
|
|
|
SmallString<128> P(getDriver().ResourceDir);
|
|
llvm::sys::path::append(P, "lib", "darwin");
|
|
|
|
// Use the newer cc_kext for iOS ARM after 6.0.
|
|
if (!isTargetIPhoneOS() || isTargetIOSSimulator() ||
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
!isIPhoneOSVersionLT(6, 0)) {
|
|
llvm::sys::path::append(P, "libclang_rt.cc_kext.a");
|
|
} else {
|
|
llvm::sys::path::append(P, "libclang_rt.cc_kext_ios5.a");
|
|
}
|
|
|
|
// For now, allow missing resource libraries to support developers who may
|
|
// not have compiler-rt checked out or integrated into their build.
|
|
if (llvm::sys::fs::exists(P.str()))
|
|
CmdArgs.push_back(Args.MakeArgString(P.str()));
|
|
}
|
|
|
|
DerivedArgList *MachO::TranslateArgs(const DerivedArgList &Args,
|
|
const char *BoundArch) const {
|
|
DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
// FIXME: We really want to get out of the tool chain level argument
|
|
// translation business, as it makes the driver functionality much
|
|
// more opaque. For now, we follow gcc closely solely for the
|
|
// purpose of easily achieving feature parity & testability. Once we
|
|
// have something that works, we should reevaluate each translation
|
|
// and try to push it down into tool specific logic.
|
|
|
|
for (Arg *A : Args) {
|
|
if (A->getOption().matches(options::OPT_Xarch__)) {
|
|
// Skip this argument unless the architecture matches either the toolchain
|
|
// triple arch, or the arch being bound.
|
|
llvm::Triple::ArchType XarchArch =
|
|
tools::darwin::getArchTypeForMachOArchName(A->getValue(0));
|
|
if (!(XarchArch == getArch() ||
|
|
(BoundArch && XarchArch ==
|
|
tools::darwin::getArchTypeForMachOArchName(BoundArch))))
|
|
continue;
|
|
|
|
Arg *OriginalArg = A;
|
|
unsigned Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
|
|
unsigned Prev = Index;
|
|
std::unique_ptr<Arg> XarchArg(Opts.ParseOneArg(Args, Index));
|
|
|
|
// If the argument parsing failed or more than one argument was
|
|
// consumed, the -Xarch_ argument's parameter tried to consume
|
|
// extra arguments. Emit an error and ignore.
|
|
//
|
|
// We also want to disallow any options which would alter the
|
|
// driver behavior; that isn't going to work in our model. We
|
|
// use isDriverOption() as an approximation, although things
|
|
// like -O4 are going to slip through.
|
|
if (!XarchArg || Index > Prev + 1) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_with_args)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
} else if (XarchArg->getOption().hasFlag(options::DriverOption)) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_isdriver)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
}
|
|
|
|
XarchArg->setBaseArg(A);
|
|
|
|
A = XarchArg.release();
|
|
DAL->AddSynthesizedArg(A);
|
|
|
|
// Linker input arguments require custom handling. The problem is that we
|
|
// have already constructed the phase actions, so we can not treat them as
|
|
// "input arguments".
|
|
if (A->getOption().hasFlag(options::LinkerInput)) {
|
|
// Convert the argument into individual Zlinker_input_args.
|
|
for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) {
|
|
DAL->AddSeparateArg(OriginalArg,
|
|
Opts.getOption(options::OPT_Zlinker_input),
|
|
A->getValue(i));
|
|
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Sob. These is strictly gcc compatible for the time being. Apple
|
|
// gcc translates options twice, which means that self-expanding
|
|
// options add duplicates.
|
|
switch ((options::ID) A->getOption().getID()) {
|
|
default:
|
|
DAL->append(A);
|
|
break;
|
|
|
|
case options::OPT_mkernel:
|
|
case options::OPT_fapple_kext:
|
|
DAL->append(A);
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_static));
|
|
break;
|
|
|
|
case options::OPT_dependency_file:
|
|
DAL->AddSeparateArg(A, Opts.getOption(options::OPT_MF),
|
|
A->getValue());
|
|
break;
|
|
|
|
case options::OPT_gfull:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_g_Flag));
|
|
DAL->AddFlagArg(A,
|
|
Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols));
|
|
break;
|
|
|
|
case options::OPT_gused:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_g_Flag));
|
|
DAL->AddFlagArg(A,
|
|
Opts.getOption(options::OPT_feliminate_unused_debug_symbols));
|
|
break;
|
|
|
|
case options::OPT_shared:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_dynamiclib));
|
|
break;
|
|
|
|
case options::OPT_fconstant_cfstrings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mconstant_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_fno_constant_cfstrings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mno_constant_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_Wnonportable_cfstrings:
|
|
DAL->AddFlagArg(A,
|
|
Opts.getOption(options::OPT_mwarn_nonportable_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_Wno_nonportable_cfstrings:
|
|
DAL->AddFlagArg(A,
|
|
Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_fpascal_strings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mpascal_strings));
|
|
break;
|
|
|
|
case options::OPT_fno_pascal_strings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mno_pascal_strings));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64)
|
|
if (!Args.hasArgNoClaim(options::OPT_mtune_EQ))
|
|
DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_mtune_EQ),
|
|
"core2");
|
|
|
|
// Add the arch options based on the particular spelling of -arch, to match
|
|
// how the driver driver works.
|
|
if (BoundArch) {
|
|
StringRef Name = BoundArch;
|
|
const Option MCpu = Opts.getOption(options::OPT_mcpu_EQ);
|
|
const Option MArch = Opts.getOption(options::OPT_march_EQ);
|
|
|
|
// This code must be kept in sync with LLVM's getArchTypeForDarwinArch,
|
|
// which defines the list of which architectures we accept.
|
|
if (Name == "ppc")
|
|
;
|
|
else if (Name == "ppc601")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "601");
|
|
else if (Name == "ppc603")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "603");
|
|
else if (Name == "ppc604")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "604");
|
|
else if (Name == "ppc604e")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "604e");
|
|
else if (Name == "ppc750")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "750");
|
|
else if (Name == "ppc7400")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "7400");
|
|
else if (Name == "ppc7450")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "7450");
|
|
else if (Name == "ppc970")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "970");
|
|
|
|
else if (Name == "ppc64" || Name == "ppc64le")
|
|
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_m64));
|
|
|
|
else if (Name == "i386")
|
|
;
|
|
else if (Name == "i486")
|
|
DAL->AddJoinedArg(nullptr, MArch, "i486");
|
|
else if (Name == "i586")
|
|
DAL->AddJoinedArg(nullptr, MArch, "i586");
|
|
else if (Name == "i686")
|
|
DAL->AddJoinedArg(nullptr, MArch, "i686");
|
|
else if (Name == "pentium")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentium");
|
|
else if (Name == "pentium2")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentium2");
|
|
else if (Name == "pentpro")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentiumpro");
|
|
else if (Name == "pentIIm3")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentium2");
|
|
|
|
else if (Name == "x86_64")
|
|
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_m64));
|
|
else if (Name == "x86_64h") {
|
|
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_m64));
|
|
DAL->AddJoinedArg(nullptr, MArch, "x86_64h");
|
|
}
|
|
|
|
else if (Name == "arm")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv4t");
|
|
else if (Name == "armv4t")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv4t");
|
|
else if (Name == "armv5")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv5tej");
|
|
else if (Name == "xscale")
|
|
DAL->AddJoinedArg(nullptr, MArch, "xscale");
|
|
else if (Name == "armv6")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv6k");
|
|
else if (Name == "armv6m")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv6m");
|
|
else if (Name == "armv7")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7a");
|
|
else if (Name == "armv7em")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7em");
|
|
else if (Name == "armv7k")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7k");
|
|
else if (Name == "armv7m")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7m");
|
|
else if (Name == "armv7s")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7s");
|
|
}
|
|
|
|
return DAL;
|
|
}
|
|
|
|
void MachO::AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const {
|
|
// Embedded targets are simple at the moment, not supporting sanitizers and
|
|
// with different libraries for each member of the product { static, PIC } x
|
|
// { hard-float, soft-float }
|
|
llvm::SmallString<32> CompilerRT = StringRef("libclang_rt.");
|
|
CompilerRT +=
|
|
tools::arm::getARMFloatABI(getDriver(), Args, getTriple()) == "hard"
|
|
? "hard"
|
|
: "soft";
|
|
CompilerRT += Args.hasArg(options::OPT_fPIC) ? "_pic.a" : "_static.a";
|
|
|
|
AddLinkRuntimeLib(Args, CmdArgs, CompilerRT, false, true);
|
|
}
|
|
|
|
|
|
DerivedArgList *Darwin::TranslateArgs(const DerivedArgList &Args,
|
|
const char *BoundArch) const {
|
|
// First get the generic Apple args, before moving onto Darwin-specific ones.
|
|
DerivedArgList *DAL = MachO::TranslateArgs(Args, BoundArch);
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
// If no architecture is bound, none of the translations here are relevant.
|
|
if (!BoundArch)
|
|
return DAL;
|
|
|
|
// Add an explicit version min argument for the deployment target. We do this
|
|
// after argument translation because -Xarch_ arguments may add a version min
|
|
// argument.
|
|
AddDeploymentTarget(*DAL);
|
|
|
|
// For iOS 6, undo the translation to add -static for -mkernel/-fapple-kext.
|
|
// FIXME: It would be far better to avoid inserting those -static arguments,
|
|
// but we can't check the deployment target in the translation code until
|
|
// it is set here.
|
|
if (isTargetIOSBased() && !isIPhoneOSVersionLT(6, 0) &&
|
|
getTriple().getArch() != llvm::Triple::aarch64) {
|
|
for (ArgList::iterator it = DAL->begin(), ie = DAL->end(); it != ie; ) {
|
|
Arg *A = *it;
|
|
++it;
|
|
if (A->getOption().getID() != options::OPT_mkernel &&
|
|
A->getOption().getID() != options::OPT_fapple_kext)
|
|
continue;
|
|
assert(it != ie && "unexpected argument translation");
|
|
A = *it;
|
|
assert(A->getOption().getID() == options::OPT_static &&
|
|
"missing expected -static argument");
|
|
it = DAL->getArgs().erase(it);
|
|
}
|
|
}
|
|
|
|
// Default to use libc++ on OS X 10.9+ and iOS 7+.
|
|
if (((isTargetMacOS() && !isMacosxVersionLT(10, 9)) ||
|
|
(isTargetIOSBased() && !isIPhoneOSVersionLT(7, 0))) &&
|
|
!Args.getLastArg(options::OPT_stdlib_EQ))
|
|
DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_stdlib_EQ),
|
|
"libc++");
|
|
|
|
// Validate the C++ standard library choice.
|
|
CXXStdlibType Type = GetCXXStdlibType(*DAL);
|
|
if (Type == ToolChain::CST_Libcxx) {
|
|
// Check whether the target provides libc++.
|
|
StringRef where;
|
|
|
|
// Complain about targeting iOS < 5.0 in any way.
|
|
if (isTargetIOSBased() && isIPhoneOSVersionLT(5, 0))
|
|
where = "iOS 5.0";
|
|
|
|
if (where != StringRef()) {
|
|
getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment)
|
|
<< where;
|
|
}
|
|
}
|
|
|
|
return DAL;
|
|
}
|
|
|
|
bool MachO::IsUnwindTablesDefault() const {
|
|
return getArch() == llvm::Triple::x86_64;
|
|
}
|
|
|
|
bool MachO::UseDwarfDebugFlags() const {
|
|
if (const char *S = ::getenv("RC_DEBUG_OPTIONS"))
|
|
return S[0] != '\0';
|
|
return false;
|
|
}
|
|
|
|
bool Darwin::UseSjLjExceptions() const {
|
|
// Darwin uses SjLj exceptions on ARM.
|
|
return (getTriple().getArch() == llvm::Triple::arm ||
|
|
getTriple().getArch() == llvm::Triple::thumb);
|
|
}
|
|
|
|
bool MachO::isPICDefault() const {
|
|
return true;
|
|
}
|
|
|
|
bool MachO::isPIEDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool MachO::isPICDefaultForced() const {
|
|
return (getArch() == llvm::Triple::x86_64 ||
|
|
getArch() == llvm::Triple::aarch64);
|
|
}
|
|
|
|
bool MachO::SupportsProfiling() const {
|
|
// Profiling instrumentation is only supported on x86.
|
|
return getArch() == llvm::Triple::x86 || getArch() == llvm::Triple::x86_64;
|
|
}
|
|
|
|
void Darwin::addMinVersionArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const {
|
|
VersionTuple TargetVersion = getTargetVersion();
|
|
|
|
if (isTargetIOSSimulator())
|
|
CmdArgs.push_back("-ios_simulator_version_min");
|
|
else if (isTargetIOSBased())
|
|
CmdArgs.push_back("-iphoneos_version_min");
|
|
else {
|
|
assert(isTargetMacOS() && "unexpected target");
|
|
CmdArgs.push_back("-macosx_version_min");
|
|
}
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(TargetVersion.getAsString()));
|
|
}
|
|
|
|
void Darwin::addStartObjectFileArgs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const {
|
|
// Derived from startfile spec.
|
|
if (Args.hasArg(options::OPT_dynamiclib)) {
|
|
// Derived from darwin_dylib1 spec.
|
|
if (isTargetIOSSimulator()) {
|
|
; // iOS simulator does not need dylib1.o.
|
|
} else if (isTargetIPhoneOS()) {
|
|
if (isIPhoneOSVersionLT(3, 1))
|
|
CmdArgs.push_back("-ldylib1.o");
|
|
} else {
|
|
if (isMacosxVersionLT(10, 5))
|
|
CmdArgs.push_back("-ldylib1.o");
|
|
else if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-ldylib1.10.5.o");
|
|
}
|
|
} else {
|
|
if (Args.hasArg(options::OPT_bundle)) {
|
|
if (!Args.hasArg(options::OPT_static)) {
|
|
// Derived from darwin_bundle1 spec.
|
|
if (isTargetIOSSimulator()) {
|
|
; // iOS simulator does not need bundle1.o.
|
|
} else if (isTargetIPhoneOS()) {
|
|
if (isIPhoneOSVersionLT(3, 1))
|
|
CmdArgs.push_back("-lbundle1.o");
|
|
} else {
|
|
if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-lbundle1.o");
|
|
}
|
|
}
|
|
} else {
|
|
if (Args.hasArg(options::OPT_pg) && SupportsProfiling()) {
|
|
if (Args.hasArg(options::OPT_static) ||
|
|
Args.hasArg(options::OPT_object) ||
|
|
Args.hasArg(options::OPT_preload)) {
|
|
CmdArgs.push_back("-lgcrt0.o");
|
|
} else {
|
|
CmdArgs.push_back("-lgcrt1.o");
|
|
|
|
// darwin_crt2 spec is empty.
|
|
}
|
|
// By default on OS X 10.8 and later, we don't link with a crt1.o
|
|
// file and the linker knows to use _main as the entry point. But,
|
|
// when compiling with -pg, we need to link with the gcrt1.o file,
|
|
// so pass the -no_new_main option to tell the linker to use the
|
|
// "start" symbol as the entry point.
|
|
if (isTargetMacOS() && !isMacosxVersionLT(10, 8))
|
|
CmdArgs.push_back("-no_new_main");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_static) ||
|
|
Args.hasArg(options::OPT_object) ||
|
|
Args.hasArg(options::OPT_preload)) {
|
|
CmdArgs.push_back("-lcrt0.o");
|
|
} else {
|
|
// Derived from darwin_crt1 spec.
|
|
if (isTargetIOSSimulator()) {
|
|
; // iOS simulator does not need crt1.o.
|
|
} else if (isTargetIPhoneOS()) {
|
|
if (getArch() == llvm::Triple::aarch64)
|
|
; // iOS does not need any crt1 files for arm64
|
|
else if (isIPhoneOSVersionLT(3, 1))
|
|
CmdArgs.push_back("-lcrt1.o");
|
|
else if (isIPhoneOSVersionLT(6, 0))
|
|
CmdArgs.push_back("-lcrt1.3.1.o");
|
|
} else {
|
|
if (isMacosxVersionLT(10, 5))
|
|
CmdArgs.push_back("-lcrt1.o");
|
|
else if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-lcrt1.10.5.o");
|
|
else if (isMacosxVersionLT(10, 8))
|
|
CmdArgs.push_back("-lcrt1.10.6.o");
|
|
|
|
// darwin_crt2 spec is empty.
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!isTargetIPhoneOS() && Args.hasArg(options::OPT_shared_libgcc) &&
|
|
isMacosxVersionLT(10, 5)) {
|
|
const char *Str = Args.MakeArgString(GetFilePath("crt3.o"));
|
|
CmdArgs.push_back(Str);
|
|
}
|
|
}
|
|
|
|
bool Darwin::SupportsObjCGC() const {
|
|
return isTargetMacOS();
|
|
}
|
|
|
|
void Darwin::CheckObjCARC() const {
|
|
if (isTargetIOSBased()|| (isTargetMacOS() && !isMacosxVersionLT(10, 6)))
|
|
return;
|
|
getDriver().Diag(diag::err_arc_unsupported_on_toolchain);
|
|
}
|
|
|
|
/// Generic_GCC - A tool chain using the 'gcc' command to perform
|
|
/// all subcommands; this relies on gcc translating the majority of
|
|
/// command line options.
|
|
|
|
/// \brief Parse a GCCVersion object out of a string of text.
|
|
///
|
|
/// This is the primary means of forming GCCVersion objects.
|
|
/*static*/
|
|
Generic_GCC::GCCVersion Linux::GCCVersion::Parse(StringRef VersionText) {
|
|
const GCCVersion BadVersion = { VersionText.str(), -1, -1, -1, "", "", "" };
|
|
std::pair<StringRef, StringRef> First = VersionText.split('.');
|
|
std::pair<StringRef, StringRef> Second = First.second.split('.');
|
|
|
|
GCCVersion GoodVersion = { VersionText.str(), -1, -1, -1, "", "", "" };
|
|
if (First.first.getAsInteger(10, GoodVersion.Major) ||
|
|
GoodVersion.Major < 0)
|
|
return BadVersion;
|
|
GoodVersion.MajorStr = First.first.str();
|
|
if (Second.first.getAsInteger(10, GoodVersion.Minor) ||
|
|
GoodVersion.Minor < 0)
|
|
return BadVersion;
|
|
GoodVersion.MinorStr = Second.first.str();
|
|
|
|
// First look for a number prefix and parse that if present. Otherwise just
|
|
// stash the entire patch string in the suffix, and leave the number
|
|
// unspecified. This covers versions strings such as:
|
|
// 4.4
|
|
// 4.4.0
|
|
// 4.4.x
|
|
// 4.4.2-rc4
|
|
// 4.4.x-patched
|
|
// And retains any patch number it finds.
|
|
StringRef PatchText = GoodVersion.PatchSuffix = Second.second.str();
|
|
if (!PatchText.empty()) {
|
|
if (size_t EndNumber = PatchText.find_first_not_of("0123456789")) {
|
|
// Try to parse the number and any suffix.
|
|
if (PatchText.slice(0, EndNumber).getAsInteger(10, GoodVersion.Patch) ||
|
|
GoodVersion.Patch < 0)
|
|
return BadVersion;
|
|
GoodVersion.PatchSuffix = PatchText.substr(EndNumber);
|
|
}
|
|
}
|
|
|
|
return GoodVersion;
|
|
}
|
|
|
|
/// \brief Less-than for GCCVersion, implementing a Strict Weak Ordering.
|
|
bool Generic_GCC::GCCVersion::isOlderThan(int RHSMajor, int RHSMinor,
|
|
int RHSPatch,
|
|
StringRef RHSPatchSuffix) const {
|
|
if (Major != RHSMajor)
|
|
return Major < RHSMajor;
|
|
if (Minor != RHSMinor)
|
|
return Minor < RHSMinor;
|
|
if (Patch != RHSPatch) {
|
|
// Note that versions without a specified patch sort higher than those with
|
|
// a patch.
|
|
if (RHSPatch == -1)
|
|
return true;
|
|
if (Patch == -1)
|
|
return false;
|
|
|
|
// Otherwise just sort on the patch itself.
|
|
return Patch < RHSPatch;
|
|
}
|
|
if (PatchSuffix != RHSPatchSuffix) {
|
|
// Sort empty suffixes higher.
|
|
if (RHSPatchSuffix.empty())
|
|
return true;
|
|
if (PatchSuffix.empty())
|
|
return false;
|
|
|
|
// Provide a lexicographic sort to make this a total ordering.
|
|
return PatchSuffix < RHSPatchSuffix;
|
|
}
|
|
|
|
// The versions are equal.
|
|
return false;
|
|
}
|
|
|
|
static llvm::StringRef getGCCToolchainDir(const ArgList &Args) {
|
|
const Arg *A = Args.getLastArg(options::OPT_gcc_toolchain);
|
|
if (A)
|
|
return A->getValue();
|
|
return GCC_INSTALL_PREFIX;
|
|
}
|
|
|
|
/// \brief Initialize a GCCInstallationDetector from the driver.
|
|
///
|
|
/// This performs all of the autodetection and sets up the various paths.
|
|
/// Once constructed, a GCCInstallationDetector is essentially immutable.
|
|
///
|
|
/// FIXME: We shouldn't need an explicit TargetTriple parameter here, and
|
|
/// should instead pull the target out of the driver. This is currently
|
|
/// necessary because the driver doesn't store the final version of the target
|
|
/// triple.
|
|
void
|
|
Generic_GCC::GCCInstallationDetector::init(
|
|
const Driver &D, const llvm::Triple &TargetTriple, const ArgList &Args) {
|
|
llvm::Triple BiarchVariantTriple =
|
|
TargetTriple.isArch32Bit() ? TargetTriple.get64BitArchVariant()
|
|
: TargetTriple.get32BitArchVariant();
|
|
// The library directories which may contain GCC installations.
|
|
SmallVector<StringRef, 4> CandidateLibDirs, CandidateBiarchLibDirs;
|
|
// The compatible GCC triples for this particular architecture.
|
|
SmallVector<StringRef, 16> CandidateTripleAliases;
|
|
SmallVector<StringRef, 16> CandidateBiarchTripleAliases;
|
|
CollectLibDirsAndTriples(TargetTriple, BiarchVariantTriple, CandidateLibDirs,
|
|
CandidateTripleAliases, CandidateBiarchLibDirs,
|
|
CandidateBiarchTripleAliases);
|
|
|
|
// Compute the set of prefixes for our search.
|
|
SmallVector<std::string, 8> Prefixes(D.PrefixDirs.begin(),
|
|
D.PrefixDirs.end());
|
|
|
|
StringRef GCCToolchainDir = getGCCToolchainDir(Args);
|
|
if (GCCToolchainDir != "") {
|
|
if (GCCToolchainDir.back() == '/')
|
|
GCCToolchainDir = GCCToolchainDir.drop_back(); // remove the /
|
|
|
|
Prefixes.push_back(GCCToolchainDir);
|
|
} else {
|
|
// If we have a SysRoot, try that first.
|
|
if (!D.SysRoot.empty()) {
|
|
Prefixes.push_back(D.SysRoot);
|
|
Prefixes.push_back(D.SysRoot + "/usr");
|
|
}
|
|
|
|
// Then look for gcc installed alongside clang.
|
|
Prefixes.push_back(D.InstalledDir + "/..");
|
|
|
|
// And finally in /usr.
|
|
if (D.SysRoot.empty())
|
|
Prefixes.push_back("/usr");
|
|
}
|
|
|
|
// Loop over the various components which exist and select the best GCC
|
|
// installation available. GCC installs are ranked by version number.
|
|
Version = GCCVersion::Parse("0.0.0");
|
|
for (unsigned i = 0, ie = Prefixes.size(); i < ie; ++i) {
|
|
if (!llvm::sys::fs::exists(Prefixes[i]))
|
|
continue;
|
|
for (unsigned j = 0, je = CandidateLibDirs.size(); j < je; ++j) {
|
|
const std::string LibDir = Prefixes[i] + CandidateLibDirs[j].str();
|
|
if (!llvm::sys::fs::exists(LibDir))
|
|
continue;
|
|
for (unsigned k = 0, ke = CandidateTripleAliases.size(); k < ke; ++k)
|
|
ScanLibDirForGCCTriple(TargetTriple, Args, LibDir,
|
|
CandidateTripleAliases[k]);
|
|
}
|
|
for (unsigned j = 0, je = CandidateBiarchLibDirs.size(); j < je; ++j) {
|
|
const std::string LibDir = Prefixes[i] + CandidateBiarchLibDirs[j].str();
|
|
if (!llvm::sys::fs::exists(LibDir))
|
|
continue;
|
|
for (unsigned k = 0, ke = CandidateBiarchTripleAliases.size(); k < ke;
|
|
++k)
|
|
ScanLibDirForGCCTriple(TargetTriple, Args, LibDir,
|
|
CandidateBiarchTripleAliases[k],
|
|
/*NeedsBiarchSuffix=*/ true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Generic_GCC::GCCInstallationDetector::print(raw_ostream &OS) const {
|
|
for (const auto &InstallPath : CandidateGCCInstallPaths)
|
|
OS << "Found candidate GCC installation: " << InstallPath << "\n";
|
|
|
|
if (!GCCInstallPath.empty())
|
|
OS << "Selected GCC installation: " << GCCInstallPath << "\n";
|
|
|
|
for (const auto &Multilib : Multilibs)
|
|
OS << "Candidate multilib: " << Multilib << "\n";
|
|
|
|
if (Multilibs.size() != 0 || !SelectedMultilib.isDefault())
|
|
OS << "Selected multilib: " << SelectedMultilib << "\n";
|
|
}
|
|
|
|
bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
|
|
if (BiarchSibling.hasValue()) {
|
|
M = BiarchSibling.getValue();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*static*/ void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples(
|
|
const llvm::Triple &TargetTriple, const llvm::Triple &BiarchTriple,
|
|
SmallVectorImpl<StringRef> &LibDirs,
|
|
SmallVectorImpl<StringRef> &TripleAliases,
|
|
SmallVectorImpl<StringRef> &BiarchLibDirs,
|
|
SmallVectorImpl<StringRef> &BiarchTripleAliases) {
|
|
// Declare a bunch of static data sets that we'll select between below. These
|
|
// are specifically designed to always refer to string literals to avoid any
|
|
// lifetime or initialization issues.
|
|
static const char *const AArch64LibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const AArch64Triples[] = { "aarch64-none-linux-gnu",
|
|
"aarch64-linux-gnu",
|
|
"aarch64-linux-android",
|
|
"aarch64-redhat-linux" };
|
|
static const char *const AArch64beLibDirs[] = { "/lib" };
|
|
static const char *const AArch64beTriples[] = { "aarch64_be-none-linux-gnu",
|
|
"aarch64_be-linux-gnu" };
|
|
|
|
static const char *const ARMLibDirs[] = { "/lib" };
|
|
static const char *const ARMTriples[] = { "arm-linux-gnueabi",
|
|
"arm-linux-androideabi" };
|
|
static const char *const ARMHFTriples[] = { "arm-linux-gnueabihf",
|
|
"armv7hl-redhat-linux-gnueabi" };
|
|
static const char *const ARMebLibDirs[] = { "/lib" };
|
|
static const char *const ARMebTriples[] = { "armeb-linux-gnueabi",
|
|
"armeb-linux-androideabi" };
|
|
static const char *const ARMebHFTriples[] = { "armeb-linux-gnueabihf",
|
|
"armebv7hl-redhat-linux-gnueabi" };
|
|
|
|
static const char *const X86_64LibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const X86_64Triples[] = {
|
|
"x86_64-linux-gnu", "x86_64-unknown-linux-gnu", "x86_64-pc-linux-gnu",
|
|
"x86_64-redhat-linux6E", "x86_64-redhat-linux", "x86_64-suse-linux",
|
|
"x86_64-manbo-linux-gnu", "x86_64-linux-gnu", "x86_64-slackware-linux",
|
|
"x86_64-linux-android", "x86_64-unknown-linux"
|
|
};
|
|
static const char *const X32LibDirs[] = { "/libx32" };
|
|
static const char *const X86LibDirs[] = { "/lib32", "/lib" };
|
|
static const char *const X86Triples[] = {
|
|
"i686-linux-gnu", "i686-pc-linux-gnu", "i486-linux-gnu", "i386-linux-gnu",
|
|
"i386-redhat-linux6E", "i686-redhat-linux", "i586-redhat-linux",
|
|
"i386-redhat-linux", "i586-suse-linux", "i486-slackware-linux",
|
|
"i686-montavista-linux", "i686-linux-android", "i586-linux-gnu"
|
|
};
|
|
|
|
static const char *const MIPSLibDirs[] = { "/lib" };
|
|
static const char *const MIPSTriples[] = { "mips-linux-gnu",
|
|
"mips-mti-linux-gnu",
|
|
"mips-img-linux-gnu" };
|
|
static const char *const MIPSELLibDirs[] = { "/lib" };
|
|
static const char *const MIPSELTriples[] = { "mipsel-linux-gnu",
|
|
"mipsel-linux-android",
|
|
"mips-img-linux-gnu" };
|
|
|
|
static const char *const MIPS64LibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const MIPS64Triples[] = { "mips64-linux-gnu",
|
|
"mips-mti-linux-gnu",
|
|
"mips-img-linux-gnu",
|
|
"mips64-linux-gnuabi64" };
|
|
static const char *const MIPS64ELLibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const MIPS64ELTriples[] = { "mips64el-linux-gnu",
|
|
"mips-mti-linux-gnu",
|
|
"mips-img-linux-gnu",
|
|
"mips64el-linux-android",
|
|
"mips64el-linux-gnuabi64" };
|
|
|
|
static const char *const PPCLibDirs[] = { "/lib32", "/lib" };
|
|
static const char *const PPCTriples[] = {
|
|
"powerpc-linux-gnu", "powerpc-unknown-linux-gnu", "powerpc-linux-gnuspe",
|
|
"powerpc-suse-linux", "powerpc-montavista-linuxspe"
|
|
};
|
|
static const char *const PPC64LibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const PPC64Triples[] = { "powerpc64-linux-gnu",
|
|
"powerpc64-unknown-linux-gnu",
|
|
"powerpc64-suse-linux",
|
|
"ppc64-redhat-linux" };
|
|
static const char *const PPC64LELibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const PPC64LETriples[] = { "powerpc64le-linux-gnu",
|
|
"powerpc64le-unknown-linux-gnu",
|
|
"powerpc64le-suse-linux",
|
|
"ppc64le-redhat-linux" };
|
|
|
|
static const char *const SPARCv8LibDirs[] = { "/lib32", "/lib" };
|
|
static const char *const SPARCv8Triples[] = { "sparc-linux-gnu",
|
|
"sparcv8-linux-gnu" };
|
|
static const char *const SPARCv9LibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const SPARCv9Triples[] = { "sparc64-linux-gnu",
|
|
"sparcv9-linux-gnu" };
|
|
|
|
static const char *const SystemZLibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const SystemZTriples[] = {
|
|
"s390x-linux-gnu", "s390x-unknown-linux-gnu", "s390x-ibm-linux-gnu",
|
|
"s390x-suse-linux", "s390x-redhat-linux"
|
|
};
|
|
|
|
using std::begin;
|
|
using std::end;
|
|
|
|
switch (TargetTriple.getArch()) {
|
|
case llvm::Triple::aarch64:
|
|
LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
|
|
TripleAliases.append(begin(AArch64Triples), end(AArch64Triples));
|
|
BiarchLibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
|
|
BiarchTripleAliases.append(begin(AArch64Triples), end(AArch64Triples));
|
|
break;
|
|
case llvm::Triple::aarch64_be:
|
|
LibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs));
|
|
TripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples));
|
|
BiarchLibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs));
|
|
BiarchTripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples));
|
|
break;
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs));
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) {
|
|
TripleAliases.append(begin(ARMHFTriples), end(ARMHFTriples));
|
|
} else {
|
|
TripleAliases.append(begin(ARMTriples), end(ARMTriples));
|
|
}
|
|
break;
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumbeb:
|
|
LibDirs.append(begin(ARMebLibDirs), end(ARMebLibDirs));
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) {
|
|
TripleAliases.append(begin(ARMebHFTriples), end(ARMebHFTriples));
|
|
} else {
|
|
TripleAliases.append(begin(ARMebTriples), end(ARMebTriples));
|
|
}
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
|
|
TripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
|
|
// x32 is always available when x86_64 is available, so adding it as
|
|
// secondary arch with x86_64 triples
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUX32) {
|
|
BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs));
|
|
BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
|
|
} else {
|
|
BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
|
|
BiarchTripleAliases.append(begin(X86Triples), end(X86Triples));
|
|
}
|
|
break;
|
|
case llvm::Triple::x86:
|
|
LibDirs.append(begin(X86LibDirs), end(X86LibDirs));
|
|
TripleAliases.append(begin(X86Triples), end(X86Triples));
|
|
BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
|
|
BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
|
|
break;
|
|
case llvm::Triple::mips:
|
|
LibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
|
|
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
BiarchLibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
|
|
BiarchTripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
|
|
break;
|
|
case llvm::Triple::mipsel:
|
|
LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
|
|
TripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
|
|
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
|
|
break;
|
|
case llvm::Triple::mips64:
|
|
LibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
|
|
TripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
|
|
BiarchLibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
break;
|
|
case llvm::Triple::mips64el:
|
|
LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
|
|
TripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
|
|
BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
|
|
BiarchTripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
|
|
BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
|
|
break;
|
|
case llvm::Triple::ppc:
|
|
LibDirs.append(begin(PPCLibDirs), end(PPCLibDirs));
|
|
TripleAliases.append(begin(PPCTriples), end(PPCTriples));
|
|
BiarchLibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs));
|
|
BiarchTripleAliases.append(begin(PPC64Triples), end(PPC64Triples));
|
|
break;
|
|
case llvm::Triple::ppc64:
|
|
LibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs));
|
|
TripleAliases.append(begin(PPC64Triples), end(PPC64Triples));
|
|
BiarchLibDirs.append(begin(PPCLibDirs), end(PPCLibDirs));
|
|
BiarchTripleAliases.append(begin(PPCTriples), end(PPCTriples));
|
|
break;
|
|
case llvm::Triple::ppc64le:
|
|
LibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs));
|
|
TripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples));
|
|
break;
|
|
case llvm::Triple::sparc:
|
|
LibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
|
|
TripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples));
|
|
BiarchLibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs));
|
|
BiarchTripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples));
|
|
break;
|
|
case llvm::Triple::sparcv9:
|
|
LibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs));
|
|
TripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples));
|
|
BiarchLibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
|
|
BiarchTripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples));
|
|
break;
|
|
case llvm::Triple::systemz:
|
|
LibDirs.append(begin(SystemZLibDirs), end(SystemZLibDirs));
|
|
TripleAliases.append(begin(SystemZTriples), end(SystemZTriples));
|
|
break;
|
|
|
|
default:
|
|
// By default, just rely on the standard lib directories and the original
|
|
// triple.
|
|
break;
|
|
}
|
|
|
|
// Always append the drivers target triple to the end, in case it doesn't
|
|
// match any of our aliases.
|
|
TripleAliases.push_back(TargetTriple.str());
|
|
|
|
// Also include the multiarch variant if it's different.
|
|
if (TargetTriple.str() != BiarchTriple.str())
|
|
BiarchTripleAliases.push_back(BiarchTriple.str());
|
|
}
|
|
|
|
namespace {
|
|
// Filter to remove Multilibs that don't exist as a suffix to Path
|
|
class FilterNonExistent : public MultilibSet::FilterCallback {
|
|
std::string Base;
|
|
public:
|
|
FilterNonExistent(std::string Base) : Base(Base) {}
|
|
bool operator()(const Multilib &M) const override {
|
|
return !llvm::sys::fs::exists(Base + M.gccSuffix() + "/crtbegin.o");
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
static void addMultilibFlag(bool Enabled, const char *const Flag,
|
|
std::vector<std::string> &Flags) {
|
|
if (Enabled)
|
|
Flags.push_back(std::string("+") + Flag);
|
|
else
|
|
Flags.push_back(std::string("-") + Flag);
|
|
}
|
|
|
|
static bool isMipsArch(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::mips || Arch == llvm::Triple::mipsel ||
|
|
Arch == llvm::Triple::mips64 || Arch == llvm::Triple::mips64el;
|
|
}
|
|
|
|
static bool isMips32(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::mips || Arch == llvm::Triple::mipsel;
|
|
}
|
|
|
|
static bool isMips64(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::mips64 || Arch == llvm::Triple::mips64el;
|
|
}
|
|
|
|
static bool isMipsEL(llvm::Triple::ArchType Arch) {
|
|
return Arch == llvm::Triple::mipsel || Arch == llvm::Triple::mips64el;
|
|
}
|
|
|
|
static bool isMips16(const ArgList &Args) {
|
|
Arg *A = Args.getLastArg(options::OPT_mips16,
|
|
options::OPT_mno_mips16);
|
|
return A && A->getOption().matches(options::OPT_mips16);
|
|
}
|
|
|
|
static bool isMicroMips(const ArgList &Args) {
|
|
Arg *A = Args.getLastArg(options::OPT_mmicromips,
|
|
options::OPT_mno_micromips);
|
|
return A && A->getOption().matches(options::OPT_mmicromips);
|
|
}
|
|
|
|
struct DetectedMultilibs {
|
|
/// The set of multilibs that the detected installation supports.
|
|
MultilibSet Multilibs;
|
|
|
|
/// The primary multilib appropriate for the given flags.
|
|
Multilib SelectedMultilib;
|
|
|
|
/// On Biarch systems, this corresponds to the default multilib when
|
|
/// targeting the non-default multilib. Otherwise, it is empty.
|
|
llvm::Optional<Multilib> BiarchSibling;
|
|
};
|
|
|
|
static Multilib makeMultilib(StringRef commonSuffix) {
|
|
return Multilib(commonSuffix, commonSuffix, commonSuffix);
|
|
}
|
|
|
|
static bool findMIPSMultilibs(const llvm::Triple &TargetTriple, StringRef Path,
|
|
const llvm::opt::ArgList &Args,
|
|
DetectedMultilibs &Result) {
|
|
// Some MIPS toolchains put libraries and object files compiled
|
|
// using different options in to the sub-directoris which names
|
|
// reflects the flags used for compilation. For example sysroot
|
|
// directory might looks like the following examples:
|
|
//
|
|
// /usr
|
|
// /lib <= crt*.o files compiled with '-mips32'
|
|
// /mips16
|
|
// /usr
|
|
// /lib <= crt*.o files compiled with '-mips16'
|
|
// /el
|
|
// /usr
|
|
// /lib <= crt*.o files compiled with '-mips16 -EL'
|
|
//
|
|
// or
|
|
//
|
|
// /usr
|
|
// /lib <= crt*.o files compiled with '-mips32r2'
|
|
// /mips16
|
|
// /usr
|
|
// /lib <= crt*.o files compiled with '-mips32r2 -mips16'
|
|
// /mips32
|
|
// /usr
|
|
// /lib <= crt*.o files compiled with '-mips32'
|
|
|
|
FilterNonExistent NonExistent(Path);
|
|
|
|
// Check for FSF toolchain multilibs
|
|
MultilibSet FSFMipsMultilibs;
|
|
{
|
|
auto MArchMips32 = makeMultilib("/mips32")
|
|
.flag("+m32").flag("-m64").flag("-mmicromips").flag("+march=mips32");
|
|
|
|
auto MArchMicroMips = makeMultilib("/micromips")
|
|
.flag("+m32").flag("-m64").flag("+mmicromips");
|
|
|
|
auto MArchMips64r2 = makeMultilib("/mips64r2")
|
|
.flag("-m32").flag("+m64").flag("+march=mips64r2");
|
|
|
|
auto MArchMips64 = makeMultilib("/mips64")
|
|
.flag("-m32").flag("+m64").flag("-march=mips64r2");
|
|
|
|
auto MArchDefault = makeMultilib("")
|
|
.flag("+m32").flag("-m64").flag("-mmicromips").flag("+march=mips32r2");
|
|
|
|
auto Mips16 = makeMultilib("/mips16")
|
|
.flag("+mips16");
|
|
|
|
auto UCLibc = makeMultilib("/uclibc")
|
|
.flag("+muclibc");
|
|
|
|
auto MAbi64 = makeMultilib("/64")
|
|
.flag("+mabi=n64").flag("-mabi=n32").flag("-m32");
|
|
|
|
auto BigEndian = makeMultilib("")
|
|
.flag("+EB").flag("-EL");
|
|
|
|
auto LittleEndian = makeMultilib("/el")
|
|
.flag("+EL").flag("-EB");
|
|
|
|
auto SoftFloat = makeMultilib("/sof")
|
|
.flag("+msoft-float");
|
|
|
|
auto Nan2008 = makeMultilib("/nan2008")
|
|
.flag("+mnan=2008");
|
|
|
|
FSFMipsMultilibs = MultilibSet()
|
|
.Either(MArchMips32, MArchMicroMips,
|
|
MArchMips64r2, MArchMips64, MArchDefault)
|
|
.Maybe(UCLibc)
|
|
.Maybe(Mips16)
|
|
.FilterOut("/mips64/mips16")
|
|
.FilterOut("/mips64r2/mips16")
|
|
.FilterOut("/micromips/mips16")
|
|
.Maybe(MAbi64)
|
|
.FilterOut("/micromips/64")
|
|
.FilterOut("/mips32/64")
|
|
.FilterOut("^/64")
|
|
.FilterOut("/mips16/64")
|
|
.Either(BigEndian, LittleEndian)
|
|
.Maybe(SoftFloat)
|
|
.Maybe(Nan2008)
|
|
.FilterOut(".*sof/nan2008")
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](
|
|
StringRef InstallDir, StringRef TripleStr, const Multilib &M) {
|
|
std::vector<std::string> Dirs;
|
|
Dirs.push_back((InstallDir + "/include").str());
|
|
std::string SysRootInc = InstallDir.str() + "/../../../../sysroot";
|
|
if (StringRef(M.includeSuffix()).startswith("/uclibc"))
|
|
Dirs.push_back(SysRootInc + "/uclibc/usr/include");
|
|
else
|
|
Dirs.push_back(SysRootInc + "/usr/include");
|
|
return Dirs;
|
|
});
|
|
}
|
|
|
|
// Check for Code Sourcery toolchain multilibs
|
|
MultilibSet CSMipsMultilibs;
|
|
{
|
|
auto MArchMips16 = makeMultilib("/mips16")
|
|
.flag("+m32").flag("+mips16");
|
|
|
|
auto MArchMicroMips = makeMultilib("/micromips")
|
|
.flag("+m32").flag("+mmicromips");
|
|
|
|
auto MArchDefault = makeMultilib("")
|
|
.flag("-mips16").flag("-mmicromips");
|
|
|
|
auto UCLibc = makeMultilib("/uclibc")
|
|
.flag("+muclibc");
|
|
|
|
auto SoftFloat = makeMultilib("/soft-float")
|
|
.flag("+msoft-float");
|
|
|
|
auto Nan2008 = makeMultilib("/nan2008")
|
|
.flag("+mnan=2008");
|
|
|
|
auto DefaultFloat = makeMultilib("")
|
|
.flag("-msoft-float").flag("-mnan=2008");
|
|
|
|
auto BigEndian = makeMultilib("")
|
|
.flag("+EB").flag("-EL");
|
|
|
|
auto LittleEndian = makeMultilib("/el")
|
|
.flag("+EL").flag("-EB");
|
|
|
|
// Note that this one's osSuffix is ""
|
|
auto MAbi64 = makeMultilib("")
|
|
.gccSuffix("/64")
|
|
.includeSuffix("/64")
|
|
.flag("+mabi=n64").flag("-mabi=n32").flag("-m32");
|
|
|
|
CSMipsMultilibs = MultilibSet()
|
|
.Either(MArchMips16, MArchMicroMips, MArchDefault)
|
|
.Maybe(UCLibc)
|
|
.Either(SoftFloat, Nan2008, DefaultFloat)
|
|
.FilterOut("/micromips/nan2008")
|
|
.FilterOut("/mips16/nan2008")
|
|
.Either(BigEndian, LittleEndian)
|
|
.Maybe(MAbi64)
|
|
.FilterOut("/mips16.*/64")
|
|
.FilterOut("/micromips.*/64")
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](
|
|
StringRef InstallDir, StringRef TripleStr, const Multilib &M) {
|
|
std::vector<std::string> Dirs;
|
|
Dirs.push_back((InstallDir + "/include").str());
|
|
std::string SysRootInc =
|
|
InstallDir.str() + "/../../../../" + TripleStr.str();
|
|
if (StringRef(M.includeSuffix()).startswith("/uclibc"))
|
|
Dirs.push_back(SysRootInc + "/libc/uclibc/usr/include");
|
|
else
|
|
Dirs.push_back(SysRootInc + "/libc/usr/include");
|
|
return Dirs;
|
|
});
|
|
}
|
|
|
|
MultilibSet AndroidMipsMultilibs = MultilibSet()
|
|
.Maybe(Multilib("/mips-r2").flag("+march=mips32r2"))
|
|
.FilterOut(NonExistent);
|
|
|
|
MultilibSet DebianMipsMultilibs;
|
|
{
|
|
Multilib MAbiN32 = Multilib()
|
|
.gccSuffix("/n32")
|
|
.includeSuffix("/n32")
|
|
.flag("+mabi=n32");
|
|
|
|
Multilib M64 = Multilib()
|
|
.gccSuffix("/64")
|
|
.includeSuffix("/64")
|
|
.flag("+m64").flag("-m32").flag("-mabi=n32");
|
|
|
|
Multilib M32 = Multilib()
|
|
.flag("-m64").flag("+m32").flag("-mabi=n32");
|
|
|
|
DebianMipsMultilibs = MultilibSet()
|
|
.Either(M32, M64, MAbiN32)
|
|
.FilterOut(NonExistent);
|
|
}
|
|
|
|
MultilibSet ImgMultilibs;
|
|
{
|
|
auto Mips64r6 = makeMultilib("/mips64r6")
|
|
.flag("+m64").flag("-m32");
|
|
|
|
auto LittleEndian = makeMultilib("/el")
|
|
.flag("+EL").flag("-EB");
|
|
|
|
auto MAbi64 = makeMultilib("/64")
|
|
.flag("+mabi=n64").flag("-mabi=n32").flag("-m32");
|
|
|
|
ImgMultilibs = MultilibSet()
|
|
.Maybe(Mips64r6)
|
|
.Maybe(MAbi64)
|
|
.Maybe(LittleEndian)
|
|
.FilterOut(NonExistent)
|
|
.setIncludeDirsCallback([](
|
|
StringRef InstallDir, StringRef TripleStr, const Multilib &M) {
|
|
std::vector<std::string> Dirs;
|
|
Dirs.push_back((InstallDir + "/include").str());
|
|
Dirs.push_back((InstallDir + "/../../../../sysroot/usr/include").str());
|
|
return Dirs;
|
|
});
|
|
}
|
|
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
tools::mips::getMipsCPUAndABI(Args, TargetTriple, CPUName, ABIName);
|
|
|
|
llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
|
|
|
|
Multilib::flags_list Flags;
|
|
addMultilibFlag(isMips32(TargetArch), "m32", Flags);
|
|
addMultilibFlag(isMips64(TargetArch), "m64", Flags);
|
|
addMultilibFlag(isMips16(Args), "mips16", Flags);
|
|
addMultilibFlag(CPUName == "mips32", "march=mips32", Flags);
|
|
addMultilibFlag(CPUName == "mips32r2", "march=mips32r2", Flags);
|
|
addMultilibFlag(CPUName == "mips64", "march=mips64", Flags);
|
|
addMultilibFlag(CPUName == "mips64r2" || CPUName == "octeon",
|
|
"march=mips64r2", Flags);
|
|
addMultilibFlag(isMicroMips(Args), "mmicromips", Flags);
|
|
addMultilibFlag(tools::mips::isUCLibc(Args), "muclibc", Flags);
|
|
addMultilibFlag(tools::mips::isNaN2008(Args, TargetTriple), "mnan=2008",
|
|
Flags);
|
|
addMultilibFlag(ABIName == "n32", "mabi=n32", Flags);
|
|
addMultilibFlag(ABIName == "n64", "mabi=n64", Flags);
|
|
addMultilibFlag(isSoftFloatABI(Args), "msoft-float", Flags);
|
|
addMultilibFlag(!isSoftFloatABI(Args), "mhard-float", Flags);
|
|
addMultilibFlag(isMipsEL(TargetArch), "EL", Flags);
|
|
addMultilibFlag(!isMipsEL(TargetArch), "EB", Flags);
|
|
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::Android) {
|
|
// Select Android toolchain. It's the only choice in that case.
|
|
if (AndroidMipsMultilibs.select(Flags, Result.SelectedMultilib)) {
|
|
Result.Multilibs = AndroidMipsMultilibs;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (TargetTriple.getVendor() == llvm::Triple::ImaginationTechnologies &&
|
|
TargetTriple.getOS() == llvm::Triple::Linux &&
|
|
TargetTriple.getEnvironment() == llvm::Triple::GNU) {
|
|
// Select mips-img-linux-gnu toolchain.
|
|
if (ImgMultilibs.select(Flags, Result.SelectedMultilib)) {
|
|
Result.Multilibs = ImgMultilibs;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Sort candidates. Toolchain that best meets the directories goes first.
|
|
// Then select the first toolchains matches command line flags.
|
|
MultilibSet *candidates[] = { &DebianMipsMultilibs, &FSFMipsMultilibs,
|
|
&CSMipsMultilibs };
|
|
std::sort(
|
|
std::begin(candidates), std::end(candidates),
|
|
[](MultilibSet *a, MultilibSet *b) { return a->size() > b->size(); });
|
|
for (const auto &candidate : candidates) {
|
|
if (candidate->select(Flags, Result.SelectedMultilib)) {
|
|
if (candidate == &DebianMipsMultilibs)
|
|
Result.BiarchSibling = Multilib();
|
|
Result.Multilibs = *candidate;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
{
|
|
// Fallback to the regular toolchain-tree structure.
|
|
Multilib Default;
|
|
Result.Multilibs.push_back(Default);
|
|
Result.Multilibs.FilterOut(NonExistent);
|
|
|
|
if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) {
|
|
Result.BiarchSibling = Multilib();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool findBiarchMultilibs(const llvm::Triple &TargetTriple,
|
|
StringRef Path, const ArgList &Args,
|
|
bool NeedsBiarchSuffix,
|
|
DetectedMultilibs &Result) {
|
|
|
|
// Some versions of SUSE and Fedora on ppc64 put 32-bit libs
|
|
// in what would normally be GCCInstallPath and put the 64-bit
|
|
// libs in a subdirectory named 64. The simple logic we follow is that
|
|
// *if* there is a subdirectory of the right name with crtbegin.o in it,
|
|
// we use that. If not, and if not a biarch triple alias, we look for
|
|
// crtbegin.o without the subdirectory.
|
|
|
|
Multilib Default;
|
|
Multilib Alt64 = Multilib()
|
|
.gccSuffix("/64")
|
|
.includeSuffix("/64")
|
|
.flag("-m32").flag("+m64").flag("-mx32");
|
|
Multilib Alt32 = Multilib()
|
|
.gccSuffix("/32")
|
|
.includeSuffix("/32")
|
|
.flag("+m32").flag("-m64").flag("-mx32");
|
|
Multilib Altx32 = Multilib()
|
|
.gccSuffix("/x32")
|
|
.includeSuffix("/x32")
|
|
.flag("-m32").flag("-m64").flag("+mx32");
|
|
|
|
FilterNonExistent NonExistent(Path);
|
|
|
|
// Determine default multilib from: 32, 64, x32
|
|
// Also handle cases such as 64 on 32, 32 on 64, etc.
|
|
enum { UNKNOWN, WANT32, WANT64, WANTX32 } Want = UNKNOWN;
|
|
const bool IsX32 = TargetTriple.getEnvironment() == llvm::Triple::GNUX32;
|
|
if (TargetTriple.isArch32Bit() && !NonExistent(Alt32))
|
|
Want = WANT64;
|
|
else if (TargetTriple.isArch64Bit() && IsX32 && !NonExistent(Altx32))
|
|
Want = WANT64;
|
|
else if (TargetTriple.isArch64Bit() && !IsX32 && !NonExistent(Alt64))
|
|
Want = WANT32;
|
|
else {
|
|
if (TargetTriple.isArch32Bit())
|
|
Want = NeedsBiarchSuffix ? WANT64 : WANT32;
|
|
else if (IsX32)
|
|
Want = NeedsBiarchSuffix ? WANT64 : WANTX32;
|
|
else
|
|
Want = NeedsBiarchSuffix ? WANT32 : WANT64;
|
|
}
|
|
|
|
if (Want == WANT32)
|
|
Default.flag("+m32").flag("-m64").flag("-mx32");
|
|
else if (Want == WANT64)
|
|
Default.flag("-m32").flag("+m64").flag("-mx32");
|
|
else if (Want == WANTX32)
|
|
Default.flag("-m32").flag("-m64").flag("+mx32");
|
|
else
|
|
return false;
|
|
|
|
Result.Multilibs.push_back(Default);
|
|
Result.Multilibs.push_back(Alt64);
|
|
Result.Multilibs.push_back(Alt32);
|
|
Result.Multilibs.push_back(Altx32);
|
|
|
|
Result.Multilibs.FilterOut(NonExistent);
|
|
|
|
Multilib::flags_list Flags;
|
|
addMultilibFlag(TargetTriple.isArch64Bit() && !IsX32, "m64", Flags);
|
|
addMultilibFlag(TargetTriple.isArch32Bit(), "m32", Flags);
|
|
addMultilibFlag(TargetTriple.isArch64Bit() && IsX32, "mx32", Flags);
|
|
|
|
if (!Result.Multilibs.select(Flags, Result.SelectedMultilib))
|
|
return false;
|
|
|
|
if (Result.SelectedMultilib == Alt64 ||
|
|
Result.SelectedMultilib == Alt32 ||
|
|
Result.SelectedMultilib == Altx32)
|
|
Result.BiarchSibling = Default;
|
|
|
|
return true;
|
|
}
|
|
|
|
void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
|
|
const llvm::Triple &TargetTriple, const ArgList &Args,
|
|
const std::string &LibDir, StringRef CandidateTriple,
|
|
bool NeedsBiarchSuffix) {
|
|
llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
|
|
// There are various different suffixes involving the triple we
|
|
// check for. We also record what is necessary to walk from each back
|
|
// up to the lib directory.
|
|
const std::string LibSuffixes[] = {
|
|
"/gcc/" + CandidateTriple.str(),
|
|
// Debian puts cross-compilers in gcc-cross
|
|
"/gcc-cross/" + CandidateTriple.str(),
|
|
"/" + CandidateTriple.str() + "/gcc/" + CandidateTriple.str(),
|
|
|
|
// The Freescale PPC SDK has the gcc libraries in
|
|
// <sysroot>/usr/lib/<triple>/x.y.z so have a look there as well.
|
|
"/" + CandidateTriple.str(),
|
|
|
|
// Ubuntu has a strange mis-matched pair of triples that this happens to
|
|
// match.
|
|
// FIXME: It may be worthwhile to generalize this and look for a second
|
|
// triple.
|
|
"/i386-linux-gnu/gcc/" + CandidateTriple.str()
|
|
};
|
|
const std::string InstallSuffixes[] = {
|
|
"/../../..", // gcc/
|
|
"/../../..", // gcc-cross/
|
|
"/../../../..", // <triple>/gcc/
|
|
"/../..", // <triple>/
|
|
"/../../../.." // i386-linux-gnu/gcc/<triple>/
|
|
};
|
|
// Only look at the final, weird Ubuntu suffix for i386-linux-gnu.
|
|
const unsigned NumLibSuffixes =
|
|
(llvm::array_lengthof(LibSuffixes) - (TargetArch != llvm::Triple::x86));
|
|
for (unsigned i = 0; i < NumLibSuffixes; ++i) {
|
|
StringRef LibSuffix = LibSuffixes[i];
|
|
std::error_code EC;
|
|
for (llvm::sys::fs::directory_iterator LI(LibDir + LibSuffix, EC), LE;
|
|
!EC && LI != LE; LI = LI.increment(EC)) {
|
|
StringRef VersionText = llvm::sys::path::filename(LI->path());
|
|
GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
|
|
if (CandidateVersion.Major != -1) // Filter obviously bad entries.
|
|
if (!CandidateGCCInstallPaths.insert(LI->path()).second)
|
|
continue; // Saw this path before; no need to look at it again.
|
|
if (CandidateVersion.isOlderThan(4, 1, 1))
|
|
continue;
|
|
if (CandidateVersion <= Version)
|
|
continue;
|
|
|
|
DetectedMultilibs Detected;
|
|
|
|
// Debian mips multilibs behave more like the rest of the biarch ones,
|
|
// so handle them there
|
|
if (isMipsArch(TargetArch)) {
|
|
if (!findMIPSMultilibs(TargetTriple, LI->path(), Args, Detected))
|
|
continue;
|
|
} else if (!findBiarchMultilibs(TargetTriple, LI->path(), Args,
|
|
NeedsBiarchSuffix, Detected)) {
|
|
continue;
|
|
}
|
|
|
|
Multilibs = Detected.Multilibs;
|
|
SelectedMultilib = Detected.SelectedMultilib;
|
|
BiarchSibling = Detected.BiarchSibling;
|
|
Version = CandidateVersion;
|
|
GCCTriple.setTriple(CandidateTriple);
|
|
// FIXME: We hack together the directory name here instead of
|
|
// using LI to ensure stable path separators across Windows and
|
|
// Linux.
|
|
GCCInstallPath = LibDir + LibSuffixes[i] + "/" + VersionText.str();
|
|
GCCParentLibPath = GCCInstallPath + InstallSuffixes[i];
|
|
IsValid = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple& Triple,
|
|
const ArgList &Args)
|
|
: ToolChain(D, Triple, Args), GCCInstallation() {
|
|
getProgramPaths().push_back(getDriver().getInstalledDir());
|
|
if (getDriver().getInstalledDir() != getDriver().Dir)
|
|
getProgramPaths().push_back(getDriver().Dir);
|
|
}
|
|
|
|
Generic_GCC::~Generic_GCC() {
|
|
}
|
|
|
|
Tool *Generic_GCC::getTool(Action::ActionClass AC) const {
|
|
switch (AC) {
|
|
case Action::PreprocessJobClass:
|
|
if (!Preprocess)
|
|
Preprocess.reset(new tools::gcc::Preprocess(*this));
|
|
return Preprocess.get();
|
|
case Action::CompileJobClass:
|
|
if (!Compile)
|
|
Compile.reset(new tools::gcc::Compile(*this));
|
|
return Compile.get();
|
|
default:
|
|
return ToolChain::getTool(AC);
|
|
}
|
|
}
|
|
|
|
Tool *Generic_GCC::buildAssembler() const {
|
|
return new tools::gnutools::Assemble(*this);
|
|
}
|
|
|
|
Tool *Generic_GCC::buildLinker() const {
|
|
return new tools::gcc::Link(*this);
|
|
}
|
|
|
|
void Generic_GCC::printVerboseInfo(raw_ostream &OS) const {
|
|
// Print the information about how we detected the GCC installation.
|
|
GCCInstallation.print(OS);
|
|
}
|
|
|
|
bool Generic_GCC::IsUnwindTablesDefault() const {
|
|
return getArch() == llvm::Triple::x86_64;
|
|
}
|
|
|
|
bool Generic_GCC::isPICDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool Generic_GCC::isPIEDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool Generic_GCC::isPICDefaultForced() const {
|
|
return false;
|
|
}
|
|
|
|
bool Generic_GCC::IsIntegratedAssemblerDefault() const {
|
|
return getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64 ||
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
getTriple().getArch() == llvm::Triple::aarch64_be ||
|
|
getTriple().getArch() == llvm::Triple::arm ||
|
|
getTriple().getArch() == llvm::Triple::armeb ||
|
|
getTriple().getArch() == llvm::Triple::thumb ||
|
|
getTriple().getArch() == llvm::Triple::thumbeb ||
|
|
getTriple().getArch() == llvm::Triple::ppc64 ||
|
|
getTriple().getArch() == llvm::Triple::ppc64le ||
|
|
getTriple().getArch() == llvm::Triple::systemz;
|
|
}
|
|
|
|
void Generic_ELF::addClangTargetOptions(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
const Generic_GCC::GCCVersion &V = GCCInstallation.getVersion();
|
|
bool UseInitArrayDefault =
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
getTriple().getArch() == llvm::Triple::aarch64_be ||
|
|
(getTriple().getOS() == llvm::Triple::Linux &&
|
|
(!V.isOlderThan(4, 7, 0) ||
|
|
getTriple().getEnvironment() == llvm::Triple::Android));
|
|
|
|
if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
|
|
options::OPT_fno_use_init_array,
|
|
UseInitArrayDefault))
|
|
CC1Args.push_back("-fuse-init-array");
|
|
}
|
|
|
|
/// Hexagon Toolchain
|
|
|
|
std::string Hexagon_TC::GetGnuDir(const std::string &InstalledDir) {
|
|
|
|
// Locate the rest of the toolchain ...
|
|
if (strlen(GCC_INSTALL_PREFIX))
|
|
return std::string(GCC_INSTALL_PREFIX);
|
|
|
|
std::string InstallRelDir = InstalledDir + "/../../gnu";
|
|
if (llvm::sys::fs::exists(InstallRelDir))
|
|
return InstallRelDir;
|
|
|
|
std::string PrefixRelDir = std::string(LLVM_PREFIX) + "/../gnu";
|
|
if (llvm::sys::fs::exists(PrefixRelDir))
|
|
return PrefixRelDir;
|
|
|
|
return InstallRelDir;
|
|
}
|
|
|
|
static void GetHexagonLibraryPaths(
|
|
const ArgList &Args,
|
|
const std::string &Ver,
|
|
const std::string &MarchString,
|
|
const std::string &InstalledDir,
|
|
ToolChain::path_list *LibPaths)
|
|
{
|
|
bool buildingLib = Args.hasArg(options::OPT_shared);
|
|
|
|
//----------------------------------------------------------------------------
|
|
// -L Args
|
|
//----------------------------------------------------------------------------
|
|
for (arg_iterator
|
|
it = Args.filtered_begin(options::OPT_L),
|
|
ie = Args.filtered_end();
|
|
it != ie;
|
|
++it) {
|
|
for (unsigned i = 0, e = (*it)->getNumValues(); i != e; ++i)
|
|
LibPaths->push_back((*it)->getValue(i));
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Other standard paths
|
|
//----------------------------------------------------------------------------
|
|
const std::string MarchSuffix = "/" + MarchString;
|
|
const std::string G0Suffix = "/G0";
|
|
const std::string MarchG0Suffix = MarchSuffix + G0Suffix;
|
|
const std::string RootDir = Hexagon_TC::GetGnuDir(InstalledDir) + "/";
|
|
|
|
// lib/gcc/hexagon/...
|
|
std::string LibGCCHexagonDir = RootDir + "lib/gcc/hexagon/";
|
|
if (buildingLib) {
|
|
LibPaths->push_back(LibGCCHexagonDir + Ver + MarchG0Suffix);
|
|
LibPaths->push_back(LibGCCHexagonDir + Ver + G0Suffix);
|
|
}
|
|
LibPaths->push_back(LibGCCHexagonDir + Ver + MarchSuffix);
|
|
LibPaths->push_back(LibGCCHexagonDir + Ver);
|
|
|
|
// lib/gcc/...
|
|
LibPaths->push_back(RootDir + "lib/gcc");
|
|
|
|
// hexagon/lib/...
|
|
std::string HexagonLibDir = RootDir + "hexagon/lib";
|
|
if (buildingLib) {
|
|
LibPaths->push_back(HexagonLibDir + MarchG0Suffix);
|
|
LibPaths->push_back(HexagonLibDir + G0Suffix);
|
|
}
|
|
LibPaths->push_back(HexagonLibDir + MarchSuffix);
|
|
LibPaths->push_back(HexagonLibDir);
|
|
}
|
|
|
|
Hexagon_TC::Hexagon_TC(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args)
|
|
: Linux(D, Triple, Args) {
|
|
const std::string InstalledDir(getDriver().getInstalledDir());
|
|
const std::string GnuDir = Hexagon_TC::GetGnuDir(InstalledDir);
|
|
|
|
// Note: Generic_GCC::Generic_GCC adds InstalledDir and getDriver().Dir to
|
|
// program paths
|
|
const std::string BinDir(GnuDir + "/bin");
|
|
if (llvm::sys::fs::exists(BinDir))
|
|
getProgramPaths().push_back(BinDir);
|
|
|
|
// Determine version of GCC libraries and headers to use.
|
|
const std::string HexagonDir(GnuDir + "/lib/gcc/hexagon");
|
|
std::error_code ec;
|
|
GCCVersion MaxVersion= GCCVersion::Parse("0.0.0");
|
|
for (llvm::sys::fs::directory_iterator di(HexagonDir, ec), de;
|
|
!ec && di != de; di = di.increment(ec)) {
|
|
GCCVersion cv = GCCVersion::Parse(llvm::sys::path::filename(di->path()));
|
|
if (MaxVersion < cv)
|
|
MaxVersion = cv;
|
|
}
|
|
GCCLibAndIncVersion = MaxVersion;
|
|
|
|
ToolChain::path_list *LibPaths= &getFilePaths();
|
|
|
|
// Remove paths added by Linux toolchain. Currently Hexagon_TC really targets
|
|
// 'elf' OS type, so the Linux paths are not appropriate. When we actually
|
|
// support 'linux' we'll need to fix this up
|
|
LibPaths->clear();
|
|
|
|
GetHexagonLibraryPaths(
|
|
Args,
|
|
GetGCCLibAndIncVersion(),
|
|
GetTargetCPU(Args),
|
|
InstalledDir,
|
|
LibPaths);
|
|
}
|
|
|
|
Hexagon_TC::~Hexagon_TC() {
|
|
}
|
|
|
|
Tool *Hexagon_TC::buildAssembler() const {
|
|
return new tools::hexagon::Assemble(*this);
|
|
}
|
|
|
|
Tool *Hexagon_TC::buildLinker() const {
|
|
return new tools::hexagon::Link(*this);
|
|
}
|
|
|
|
void Hexagon_TC::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
const Driver &D = getDriver();
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
return;
|
|
|
|
std::string Ver(GetGCCLibAndIncVersion());
|
|
std::string GnuDir = Hexagon_TC::GetGnuDir(D.InstalledDir);
|
|
std::string HexagonDir(GnuDir + "/lib/gcc/hexagon/" + Ver);
|
|
addExternCSystemInclude(DriverArgs, CC1Args, HexagonDir + "/include");
|
|
addExternCSystemInclude(DriverArgs, CC1Args, HexagonDir + "/include-fixed");
|
|
addExternCSystemInclude(DriverArgs, CC1Args, GnuDir + "/hexagon/include");
|
|
}
|
|
|
|
void Hexagon_TC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
|
|
const Driver &D = getDriver();
|
|
std::string Ver(GetGCCLibAndIncVersion());
|
|
SmallString<128> IncludeDir(Hexagon_TC::GetGnuDir(D.InstalledDir));
|
|
|
|
llvm::sys::path::append(IncludeDir, "hexagon/include/c++/");
|
|
llvm::sys::path::append(IncludeDir, Ver);
|
|
addSystemInclude(DriverArgs, CC1Args, IncludeDir.str());
|
|
}
|
|
|
|
ToolChain::CXXStdlibType
|
|
Hexagon_TC::GetCXXStdlibType(const ArgList &Args) const {
|
|
Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
|
|
if (!A)
|
|
return ToolChain::CST_Libstdcxx;
|
|
|
|
StringRef Value = A->getValue();
|
|
if (Value != "libstdc++") {
|
|
getDriver().Diag(diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
}
|
|
|
|
return ToolChain::CST_Libstdcxx;
|
|
}
|
|
|
|
static int getHexagonVersion(const ArgList &Args) {
|
|
Arg *A = Args.getLastArg(options::OPT_march_EQ, options::OPT_mcpu_EQ);
|
|
// Select the default CPU (v4) if none was given.
|
|
if (!A)
|
|
return 4;
|
|
|
|
// FIXME: produce errors if we cannot parse the version.
|
|
StringRef WhichHexagon = A->getValue();
|
|
if (WhichHexagon.startswith("hexagonv")) {
|
|
int Val;
|
|
if (!WhichHexagon.substr(sizeof("hexagonv") - 1).getAsInteger(10, Val))
|
|
return Val;
|
|
}
|
|
if (WhichHexagon.startswith("v")) {
|
|
int Val;
|
|
if (!WhichHexagon.substr(1).getAsInteger(10, Val))
|
|
return Val;
|
|
}
|
|
|
|
// FIXME: should probably be an error.
|
|
return 4;
|
|
}
|
|
|
|
StringRef Hexagon_TC::GetTargetCPU(const ArgList &Args)
|
|
{
|
|
int V = getHexagonVersion(Args);
|
|
// FIXME: We don't support versions < 4. We should error on them.
|
|
switch (V) {
|
|
default:
|
|
llvm_unreachable("Unexpected version");
|
|
case 5:
|
|
return "v5";
|
|
case 4:
|
|
return "v4";
|
|
case 3:
|
|
return "v3";
|
|
case 2:
|
|
return "v2";
|
|
case 1:
|
|
return "v1";
|
|
}
|
|
}
|
|
// End Hexagon
|
|
|
|
/// TCEToolChain - A tool chain using the llvm bitcode tools to perform
|
|
/// all subcommands. See http://tce.cs.tut.fi for our peculiar target.
|
|
/// Currently does not support anything else but compilation.
|
|
|
|
TCEToolChain::TCEToolChain(const Driver &D, const llvm::Triple& Triple,
|
|
const ArgList &Args)
|
|
: ToolChain(D, Triple, Args) {
|
|
// Path mangling to find libexec
|
|
std::string Path(getDriver().Dir);
|
|
|
|
Path += "/../libexec";
|
|
getProgramPaths().push_back(Path);
|
|
}
|
|
|
|
TCEToolChain::~TCEToolChain() {
|
|
}
|
|
|
|
bool TCEToolChain::IsMathErrnoDefault() const {
|
|
return true;
|
|
}
|
|
|
|
bool TCEToolChain::isPICDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool TCEToolChain::isPIEDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool TCEToolChain::isPICDefaultForced() const {
|
|
return false;
|
|
}
|
|
|
|
/// OpenBSD - OpenBSD tool chain which can call as(1) and ld(1) directly.
|
|
|
|
OpenBSD::OpenBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
getFilePaths().push_back(getDriver().Dir + "/../lib");
|
|
getFilePaths().push_back("/usr/lib");
|
|
}
|
|
|
|
Tool *OpenBSD::buildAssembler() const {
|
|
return new tools::openbsd::Assemble(*this);
|
|
}
|
|
|
|
Tool *OpenBSD::buildLinker() const {
|
|
return new tools::openbsd::Link(*this);
|
|
}
|
|
|
|
/// Bitrig - Bitrig tool chain which can call as(1) and ld(1) directly.
|
|
|
|
Bitrig::Bitrig(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
getFilePaths().push_back(getDriver().Dir + "/../lib");
|
|
getFilePaths().push_back("/usr/lib");
|
|
}
|
|
|
|
Tool *Bitrig::buildAssembler() const {
|
|
return new tools::bitrig::Assemble(*this);
|
|
}
|
|
|
|
Tool *Bitrig::buildLinker() const {
|
|
return new tools::bitrig::Link(*this);
|
|
}
|
|
|
|
ToolChain::CXXStdlibType
|
|
Bitrig::GetCXXStdlibType(const ArgList &Args) const {
|
|
if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
|
|
StringRef Value = A->getValue();
|
|
if (Value == "libstdc++")
|
|
return ToolChain::CST_Libstdcxx;
|
|
if (Value == "libc++")
|
|
return ToolChain::CST_Libcxx;
|
|
|
|
getDriver().Diag(diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
}
|
|
return ToolChain::CST_Libcxx;
|
|
}
|
|
|
|
void Bitrig::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
|
|
switch (GetCXXStdlibType(DriverArgs)) {
|
|
case ToolChain::CST_Libcxx:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/v1");
|
|
break;
|
|
case ToolChain::CST_Libstdcxx:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/stdc++");
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/stdc++/backward");
|
|
|
|
StringRef Triple = getTriple().str();
|
|
if (Triple.startswith("amd64"))
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/stdc++/x86_64" +
|
|
Triple.substr(5));
|
|
else
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/stdc++/" +
|
|
Triple);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Bitrig::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
switch (GetCXXStdlibType(Args)) {
|
|
case ToolChain::CST_Libcxx:
|
|
CmdArgs.push_back("-lc++");
|
|
CmdArgs.push_back("-lc++abi");
|
|
CmdArgs.push_back("-lpthread");
|
|
break;
|
|
case ToolChain::CST_Libstdcxx:
|
|
CmdArgs.push_back("-lstdc++");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// FreeBSD - FreeBSD tool chain which can call as(1) and ld(1) directly.
|
|
|
|
FreeBSD::FreeBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
|
|
// When targeting 32-bit platforms, look for '/usr/lib32/crt1.o' and fall
|
|
// back to '/usr/lib' if it doesn't exist.
|
|
if ((Triple.getArch() == llvm::Triple::x86 ||
|
|
Triple.getArch() == llvm::Triple::ppc) &&
|
|
llvm::sys::fs::exists(getDriver().SysRoot + "/usr/lib32/crt1.o"))
|
|
getFilePaths().push_back(getDriver().SysRoot + "/usr/lib32");
|
|
else
|
|
getFilePaths().push_back(getDriver().SysRoot + "/usr/lib");
|
|
}
|
|
|
|
ToolChain::CXXStdlibType
|
|
FreeBSD::GetCXXStdlibType(const ArgList &Args) const {
|
|
if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
|
|
StringRef Value = A->getValue();
|
|
if (Value == "libstdc++")
|
|
return ToolChain::CST_Libstdcxx;
|
|
if (Value == "libc++")
|
|
return ToolChain::CST_Libcxx;
|
|
|
|
getDriver().Diag(diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
}
|
|
if (getTriple().getOSMajorVersion() >= 10)
|
|
return ToolChain::CST_Libcxx;
|
|
return ToolChain::CST_Libstdcxx;
|
|
}
|
|
|
|
void FreeBSD::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
|
|
switch (GetCXXStdlibType(DriverArgs)) {
|
|
case ToolChain::CST_Libcxx:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/v1");
|
|
break;
|
|
case ToolChain::CST_Libstdcxx:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/4.2");
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/4.2/backward");
|
|
break;
|
|
}
|
|
}
|
|
|
|
Tool *FreeBSD::buildAssembler() const {
|
|
return new tools::freebsd::Assemble(*this);
|
|
}
|
|
|
|
Tool *FreeBSD::buildLinker() const {
|
|
return new tools::freebsd::Link(*this);
|
|
}
|
|
|
|
bool FreeBSD::UseSjLjExceptions() const {
|
|
// FreeBSD uses SjLj exceptions on ARM oabi.
|
|
switch (getTriple().getEnvironment()) {
|
|
case llvm::Triple::GNUEABIHF:
|
|
case llvm::Triple::GNUEABI:
|
|
case llvm::Triple::EABI:
|
|
return false;
|
|
|
|
default:
|
|
return (getTriple().getArch() == llvm::Triple::arm ||
|
|
getTriple().getArch() == llvm::Triple::thumb);
|
|
}
|
|
}
|
|
|
|
bool FreeBSD::HasNativeLLVMSupport() const {
|
|
return true;
|
|
}
|
|
|
|
bool FreeBSD::isPIEDefault() const {
|
|
return getSanitizerArgs().hasZeroBaseShadow();
|
|
}
|
|
|
|
/// NetBSD - NetBSD tool chain which can call as(1) and ld(1) directly.
|
|
|
|
NetBSD::NetBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
|
|
if (getDriver().UseStdLib) {
|
|
// When targeting a 32-bit platform, try the special directory used on
|
|
// 64-bit hosts, and only fall back to the main library directory if that
|
|
// doesn't work.
|
|
// FIXME: It'd be nicer to test if this directory exists, but I'm not sure
|
|
// what all logic is needed to emulate the '=' prefix here.
|
|
switch (Triple.getArch()) {
|
|
case llvm::Triple::x86:
|
|
getFilePaths().push_back("=/usr/lib/i386");
|
|
break;
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::thumbeb:
|
|
switch (Triple.getEnvironment()) {
|
|
case llvm::Triple::EABI:
|
|
case llvm::Triple::GNUEABI:
|
|
getFilePaths().push_back("=/usr/lib/eabi");
|
|
break;
|
|
case llvm::Triple::EABIHF:
|
|
case llvm::Triple::GNUEABIHF:
|
|
getFilePaths().push_back("=/usr/lib/eabihf");
|
|
break;
|
|
default:
|
|
getFilePaths().push_back("=/usr/lib/oabi");
|
|
break;
|
|
}
|
|
break;
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
if (tools::mips::hasMipsAbiArg(Args, "o32"))
|
|
getFilePaths().push_back("=/usr/lib/o32");
|
|
else if (tools::mips::hasMipsAbiArg(Args, "64"))
|
|
getFilePaths().push_back("=/usr/lib/64");
|
|
break;
|
|
case llvm::Triple::ppc:
|
|
getFilePaths().push_back("=/usr/lib/powerpc");
|
|
break;
|
|
case llvm::Triple::sparc:
|
|
getFilePaths().push_back("=/usr/lib/sparc");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
getFilePaths().push_back("=/usr/lib");
|
|
}
|
|
}
|
|
|
|
Tool *NetBSD::buildAssembler() const {
|
|
return new tools::netbsd::Assemble(*this);
|
|
}
|
|
|
|
Tool *NetBSD::buildLinker() const {
|
|
return new tools::netbsd::Link(*this);
|
|
}
|
|
|
|
ToolChain::CXXStdlibType
|
|
NetBSD::GetCXXStdlibType(const ArgList &Args) const {
|
|
if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
|
|
StringRef Value = A->getValue();
|
|
if (Value == "libstdc++")
|
|
return ToolChain::CST_Libstdcxx;
|
|
if (Value == "libc++")
|
|
return ToolChain::CST_Libcxx;
|
|
|
|
getDriver().Diag(diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
}
|
|
|
|
unsigned Major, Minor, Micro;
|
|
getTriple().getOSVersion(Major, Minor, Micro);
|
|
if (Major >= 7 || (Major == 6 && Minor == 99 && Micro >= 49) || Major == 0) {
|
|
switch (getArch()) {
|
|
case llvm::Triple::aarch64:
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::thumbeb:
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64:
|
|
case llvm::Triple::ppc64le:
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
return ToolChain::CST_Libcxx;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return ToolChain::CST_Libstdcxx;
|
|
}
|
|
|
|
void NetBSD::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
|
|
switch (GetCXXStdlibType(DriverArgs)) {
|
|
case ToolChain::CST_Libcxx:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/");
|
|
break;
|
|
case ToolChain::CST_Libstdcxx:
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/g++");
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/g++/backward");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// Minix - Minix tool chain which can call as(1) and ld(1) directly.
|
|
|
|
Minix::Minix(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
getFilePaths().push_back(getDriver().Dir + "/../lib");
|
|
getFilePaths().push_back("/usr/lib");
|
|
}
|
|
|
|
Tool *Minix::buildAssembler() const {
|
|
return new tools::minix::Assemble(*this);
|
|
}
|
|
|
|
Tool *Minix::buildLinker() const {
|
|
return new tools::minix::Link(*this);
|
|
}
|
|
|
|
/// Solaris - Solaris tool chain which can call as(1) and ld(1) directly.
|
|
|
|
Solaris::Solaris(const Driver &D, const llvm::Triple& Triple,
|
|
const ArgList &Args)
|
|
: Generic_GCC(D, Triple, Args) {
|
|
|
|
getProgramPaths().push_back(getDriver().getInstalledDir());
|
|
if (getDriver().getInstalledDir() != getDriver().Dir)
|
|
getProgramPaths().push_back(getDriver().Dir);
|
|
|
|
getFilePaths().push_back(getDriver().Dir + "/../lib");
|
|
getFilePaths().push_back("/usr/lib");
|
|
}
|
|
|
|
Tool *Solaris::buildAssembler() const {
|
|
return new tools::solaris::Assemble(*this);
|
|
}
|
|
|
|
Tool *Solaris::buildLinker() const {
|
|
return new tools::solaris::Link(*this);
|
|
}
|
|
|
|
/// Distribution (very bare-bones at the moment).
|
|
|
|
enum Distro {
|
|
ArchLinux,
|
|
DebianLenny,
|
|
DebianSqueeze,
|
|
DebianWheezy,
|
|
DebianJessie,
|
|
Exherbo,
|
|
RHEL4,
|
|
RHEL5,
|
|
RHEL6,
|
|
Fedora,
|
|
OpenSUSE,
|
|
UbuntuHardy,
|
|
UbuntuIntrepid,
|
|
UbuntuJaunty,
|
|
UbuntuKarmic,
|
|
UbuntuLucid,
|
|
UbuntuMaverick,
|
|
UbuntuNatty,
|
|
UbuntuOneiric,
|
|
UbuntuPrecise,
|
|
UbuntuQuantal,
|
|
UbuntuRaring,
|
|
UbuntuSaucy,
|
|
UbuntuTrusty,
|
|
UnknownDistro
|
|
};
|
|
|
|
static bool IsRedhat(enum Distro Distro) {
|
|
return Distro == Fedora || (Distro >= RHEL4 && Distro <= RHEL6);
|
|
}
|
|
|
|
static bool IsOpenSUSE(enum Distro Distro) {
|
|
return Distro == OpenSUSE;
|
|
}
|
|
|
|
static bool IsDebian(enum Distro Distro) {
|
|
return Distro >= DebianLenny && Distro <= DebianJessie;
|
|
}
|
|
|
|
static bool IsUbuntu(enum Distro Distro) {
|
|
return Distro >= UbuntuHardy && Distro <= UbuntuTrusty;
|
|
}
|
|
|
|
static Distro DetectDistro(llvm::Triple::ArchType Arch) {
|
|
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> File =
|
|
llvm::MemoryBuffer::getFile("/etc/lsb-release");
|
|
if (File) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
SmallVector<StringRef, 16> Lines;
|
|
Data.split(Lines, "\n");
|
|
Distro Version = UnknownDistro;
|
|
for (unsigned i = 0, s = Lines.size(); i != s; ++i)
|
|
if (Version == UnknownDistro && Lines[i].startswith("DISTRIB_CODENAME="))
|
|
Version = llvm::StringSwitch<Distro>(Lines[i].substr(17))
|
|
.Case("hardy", UbuntuHardy)
|
|
.Case("intrepid", UbuntuIntrepid)
|
|
.Case("jaunty", UbuntuJaunty)
|
|
.Case("karmic", UbuntuKarmic)
|
|
.Case("lucid", UbuntuLucid)
|
|
.Case("maverick", UbuntuMaverick)
|
|
.Case("natty", UbuntuNatty)
|
|
.Case("oneiric", UbuntuOneiric)
|
|
.Case("precise", UbuntuPrecise)
|
|
.Case("quantal", UbuntuQuantal)
|
|
.Case("raring", UbuntuRaring)
|
|
.Case("saucy", UbuntuSaucy)
|
|
.Case("trusty", UbuntuTrusty)
|
|
.Default(UnknownDistro);
|
|
return Version;
|
|
}
|
|
|
|
File = llvm::MemoryBuffer::getFile("/etc/redhat-release");
|
|
if (File) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
if (Data.startswith("Fedora release"))
|
|
return Fedora;
|
|
if (Data.startswith("Red Hat Enterprise Linux") ||
|
|
Data.startswith("CentOS")) {
|
|
if (Data.find("release 6") != StringRef::npos)
|
|
return RHEL6;
|
|
else if (Data.find("release 5") != StringRef::npos)
|
|
return RHEL5;
|
|
else if (Data.find("release 4") != StringRef::npos)
|
|
return RHEL4;
|
|
}
|
|
return UnknownDistro;
|
|
}
|
|
|
|
File = llvm::MemoryBuffer::getFile("/etc/debian_version");
|
|
if (File) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
if (Data[0] == '5')
|
|
return DebianLenny;
|
|
else if (Data.startswith("squeeze/sid") || Data[0] == '6')
|
|
return DebianSqueeze;
|
|
else if (Data.startswith("wheezy/sid") || Data[0] == '7')
|
|
return DebianWheezy;
|
|
else if (Data.startswith("jessie/sid") || Data[0] == '8')
|
|
return DebianJessie;
|
|
return UnknownDistro;
|
|
}
|
|
|
|
if (llvm::sys::fs::exists("/etc/SuSE-release"))
|
|
return OpenSUSE;
|
|
|
|
if (llvm::sys::fs::exists("/etc/exherbo-release"))
|
|
return Exherbo;
|
|
|
|
if (llvm::sys::fs::exists("/etc/arch-release"))
|
|
return ArchLinux;
|
|
|
|
return UnknownDistro;
|
|
}
|
|
|
|
/// \brief Get our best guess at the multiarch triple for a target.
|
|
///
|
|
/// Debian-based systems are starting to use a multiarch setup where they use
|
|
/// a target-triple directory in the library and header search paths.
|
|
/// Unfortunately, this triple does not align with the vanilla target triple,
|
|
/// so we provide a rough mapping here.
|
|
static std::string getMultiarchTriple(const llvm::Triple &TargetTriple,
|
|
StringRef SysRoot) {
|
|
// For most architectures, just use whatever we have rather than trying to be
|
|
// clever.
|
|
switch (TargetTriple.getArch()) {
|
|
default:
|
|
return TargetTriple.str();
|
|
|
|
// We use the existence of '/lib/<triple>' as a directory to detect some
|
|
// common linux triples that don't quite match the Clang triple for both
|
|
// 32-bit and 64-bit targets. Multiarch fixes its install triples to these
|
|
// regardless of what the actual target triple is.
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) {
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/arm-linux-gnueabihf"))
|
|
return "arm-linux-gnueabihf";
|
|
} else {
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/arm-linux-gnueabi"))
|
|
return "arm-linux-gnueabi";
|
|
}
|
|
return TargetTriple.str();
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumbeb:
|
|
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) {
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/armeb-linux-gnueabihf"))
|
|
return "armeb-linux-gnueabihf";
|
|
} else {
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/armeb-linux-gnueabi"))
|
|
return "armeb-linux-gnueabi";
|
|
}
|
|
return TargetTriple.str();
|
|
case llvm::Triple::x86:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/i386-linux-gnu"))
|
|
return "i386-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::x86_64:
|
|
// We don't want this for x32, otherwise it will match x86_64 libs
|
|
if (TargetTriple.getEnvironment() != llvm::Triple::GNUX32 &&
|
|
llvm::sys::fs::exists(SysRoot + "/lib/x86_64-linux-gnu"))
|
|
return "x86_64-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::aarch64:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/aarch64-linux-gnu"))
|
|
return "aarch64-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::aarch64_be:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/aarch64_be-linux-gnu"))
|
|
return "aarch64_be-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::mips:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/mips-linux-gnu"))
|
|
return "mips-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::mipsel:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/mipsel-linux-gnu"))
|
|
return "mipsel-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::mips64:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/mips64-linux-gnu"))
|
|
return "mips64-linux-gnu";
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/mips64-linux-gnuabi64"))
|
|
return "mips64-linux-gnuabi64";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::mips64el:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/mips64el-linux-gnu"))
|
|
return "mips64el-linux-gnu";
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/mips64el-linux-gnuabi64"))
|
|
return "mips64el-linux-gnuabi64";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::ppc:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc-linux-gnuspe"))
|
|
return "powerpc-linux-gnuspe";
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc-linux-gnu"))
|
|
return "powerpc-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::ppc64:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc64-linux-gnu"))
|
|
return "powerpc64-linux-gnu";
|
|
case llvm::Triple::ppc64le:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc64le-linux-gnu"))
|
|
return "powerpc64le-linux-gnu";
|
|
return TargetTriple.str();
|
|
}
|
|
}
|
|
|
|
static void addPathIfExists(Twine Path, ToolChain::path_list &Paths) {
|
|
if (llvm::sys::fs::exists(Path)) Paths.push_back(Path.str());
|
|
}
|
|
|
|
static StringRef getOSLibDir(const llvm::Triple &Triple, const ArgList &Args) {
|
|
if (isMipsArch(Triple.getArch())) {
|
|
// lib32 directory has a special meaning on MIPS targets.
|
|
// It contains N32 ABI binaries. Use this folder if produce
|
|
// code for N32 ABI only.
|
|
if (tools::mips::hasMipsAbiArg(Args, "n32"))
|
|
return "lib32";
|
|
return Triple.isArch32Bit() ? "lib" : "lib64";
|
|
}
|
|
|
|
// It happens that only x86 and PPC use the 'lib32' variant of oslibdir, and
|
|
// using that variant while targeting other architectures causes problems
|
|
// because the libraries are laid out in shared system roots that can't cope
|
|
// with a 'lib32' library search path being considered. So we only enable
|
|
// them when we know we may need it.
|
|
//
|
|
// FIXME: This is a bit of a hack. We should really unify this code for
|
|
// reasoning about oslibdir spellings with the lib dir spellings in the
|
|
// GCCInstallationDetector, but that is a more significant refactoring.
|
|
if (Triple.getArch() == llvm::Triple::x86 ||
|
|
Triple.getArch() == llvm::Triple::ppc)
|
|
return "lib32";
|
|
|
|
if (Triple.getArch() == llvm::Triple::x86_64 &&
|
|
Triple.getEnvironment() == llvm::Triple::GNUX32)
|
|
return "libx32";
|
|
|
|
return Triple.isArch32Bit() ? "lib" : "lib64";
|
|
}
|
|
|
|
Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
GCCInstallation.init(D, Triple, Args);
|
|
Multilibs = GCCInstallation.getMultilibs();
|
|
llvm::Triple::ArchType Arch = Triple.getArch();
|
|
std::string SysRoot = computeSysRoot();
|
|
|
|
// Cross-compiling binutils and GCC installations (vanilla and openSUSE at
|
|
// least) put various tools in a triple-prefixed directory off of the parent
|
|
// of the GCC installation. We use the GCC triple here to ensure that we end
|
|
// up with tools that support the same amount of cross compiling as the
|
|
// detected GCC installation. For example, if we find a GCC installation
|
|
// targeting x86_64, but it is a bi-arch GCC installation, it can also be
|
|
// used to target i386.
|
|
// FIXME: This seems unlikely to be Linux-specific.
|
|
ToolChain::path_list &PPaths = getProgramPaths();
|
|
PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
|
|
GCCInstallation.getTriple().str() + "/bin").str());
|
|
|
|
Linker = GetLinkerPath();
|
|
|
|
Distro Distro = DetectDistro(Arch);
|
|
|
|
if (IsOpenSUSE(Distro) || IsUbuntu(Distro)) {
|
|
ExtraOpts.push_back("-z");
|
|
ExtraOpts.push_back("relro");
|
|
}
|
|
|
|
if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
|
|
ExtraOpts.push_back("-X");
|
|
|
|
const bool IsAndroid = Triple.getEnvironment() == llvm::Triple::Android;
|
|
const bool IsMips = isMipsArch(Arch);
|
|
|
|
if (IsMips && !SysRoot.empty())
|
|
ExtraOpts.push_back("--sysroot=" + SysRoot);
|
|
|
|
// Do not use 'gnu' hash style for Mips targets because .gnu.hash
|
|
// and the MIPS ABI require .dynsym to be sorted in different ways.
|
|
// .gnu.hash needs symbols to be grouped by hash code whereas the MIPS
|
|
// ABI requires a mapping between the GOT and the symbol table.
|
|
// Android loader does not support .gnu.hash.
|
|
if (!IsMips && !IsAndroid) {
|
|
if (IsRedhat(Distro) || IsOpenSUSE(Distro) ||
|
|
(IsUbuntu(Distro) && Distro >= UbuntuMaverick))
|
|
ExtraOpts.push_back("--hash-style=gnu");
|
|
|
|
if (IsDebian(Distro) || IsOpenSUSE(Distro) || Distro == UbuntuLucid ||
|
|
Distro == UbuntuJaunty || Distro == UbuntuKarmic)
|
|
ExtraOpts.push_back("--hash-style=both");
|
|
}
|
|
|
|
if (IsRedhat(Distro))
|
|
ExtraOpts.push_back("--no-add-needed");
|
|
|
|
if (Distro == DebianSqueeze || Distro == DebianWheezy ||
|
|
Distro == DebianJessie || IsOpenSUSE(Distro) ||
|
|
(IsRedhat(Distro) && Distro != RHEL4 && Distro != RHEL5) ||
|
|
(IsUbuntu(Distro) && Distro >= UbuntuKarmic))
|
|
ExtraOpts.push_back("--build-id");
|
|
|
|
if (IsOpenSUSE(Distro))
|
|
ExtraOpts.push_back("--enable-new-dtags");
|
|
|
|
// The selection of paths to try here is designed to match the patterns which
|
|
// the GCC driver itself uses, as this is part of the GCC-compatible driver.
|
|
// This was determined by running GCC in a fake filesystem, creating all
|
|
// possible permutations of these directories, and seeing which ones it added
|
|
// to the link paths.
|
|
path_list &Paths = getFilePaths();
|
|
|
|
const std::string OSLibDir = getOSLibDir(Triple, Args);
|
|
const std::string MultiarchTriple = getMultiarchTriple(Triple, SysRoot);
|
|
|
|
// Add the multilib suffixed paths where they are available.
|
|
if (GCCInstallation.isValid()) {
|
|
const llvm::Triple &GCCTriple = GCCInstallation.getTriple();
|
|
const std::string &LibPath = GCCInstallation.getParentLibPath();
|
|
const Multilib &Multilib = GCCInstallation.getMultilib();
|
|
|
|
// Sourcery CodeBench MIPS toolchain holds some libraries under
|
|
// a biarch-like suffix of the GCC installation.
|
|
addPathIfExists((GCCInstallation.getInstallPath() +
|
|
Multilib.gccSuffix()),
|
|
Paths);
|
|
|
|
// GCC cross compiling toolchains will install target libraries which ship
|
|
// as part of the toolchain under <prefix>/<triple>/<libdir> rather than as
|
|
// any part of the GCC installation in
|
|
// <prefix>/<libdir>/gcc/<triple>/<version>. This decision is somewhat
|
|
// debatable, but is the reality today. We need to search this tree even
|
|
// when we have a sysroot somewhere else. It is the responsibility of
|
|
// whomever is doing the cross build targeting a sysroot using a GCC
|
|
// installation that is *not* within the system root to ensure two things:
|
|
//
|
|
// 1) Any DSOs that are linked in from this tree or from the install path
|
|
// above must be present on the system root and found via an
|
|
// appropriate rpath.
|
|
// 2) There must not be libraries installed into
|
|
// <prefix>/<triple>/<libdir> unless they should be preferred over
|
|
// those within the system root.
|
|
//
|
|
// Note that this matches the GCC behavior. See the below comment for where
|
|
// Clang diverges from GCC's behavior.
|
|
addPathIfExists(LibPath + "/../" + GCCTriple.str() + "/lib/../" + OSLibDir +
|
|
Multilib.osSuffix(),
|
|
Paths);
|
|
|
|
// If the GCC installation we found is inside of the sysroot, we want to
|
|
// prefer libraries installed in the parent prefix of the GCC installation.
|
|
// It is important to *not* use these paths when the GCC installation is
|
|
// outside of the system root as that can pick up unintended libraries.
|
|
// This usually happens when there is an external cross compiler on the
|
|
// host system, and a more minimal sysroot available that is the target of
|
|
// the cross. Note that GCC does include some of these directories in some
|
|
// configurations but this seems somewhere between questionable and simply
|
|
// a bug.
|
|
if (StringRef(LibPath).startswith(SysRoot)) {
|
|
addPathIfExists(LibPath + "/" + MultiarchTriple, Paths);
|
|
addPathIfExists(LibPath + "/../" + OSLibDir, Paths);
|
|
}
|
|
}
|
|
|
|
// Similar to the logic for GCC above, if we currently running Clang inside
|
|
// of the requested system root, add its parent library paths to
|
|
// those searched.
|
|
// FIXME: It's not clear whether we should use the driver's installed
|
|
// directory ('Dir' below) or the ResourceDir.
|
|
if (StringRef(D.Dir).startswith(SysRoot)) {
|
|
addPathIfExists(D.Dir + "/../lib/" + MultiarchTriple, Paths);
|
|
addPathIfExists(D.Dir + "/../" + OSLibDir, Paths);
|
|
}
|
|
|
|
addPathIfExists(SysRoot + "/lib/" + MultiarchTriple, Paths);
|
|
addPathIfExists(SysRoot + "/lib/../" + OSLibDir, Paths);
|
|
addPathIfExists(SysRoot + "/usr/lib/" + MultiarchTriple, Paths);
|
|
addPathIfExists(SysRoot + "/usr/lib/../" + OSLibDir, Paths);
|
|
|
|
// Try walking via the GCC triple path in case of biarch or multiarch GCC
|
|
// installations with strange symlinks.
|
|
if (GCCInstallation.isValid()) {
|
|
addPathIfExists(SysRoot + "/usr/lib/" + GCCInstallation.getTriple().str() +
|
|
"/../../" + OSLibDir, Paths);
|
|
|
|
// Add the 'other' biarch variant path
|
|
Multilib BiarchSibling;
|
|
if (GCCInstallation.getBiarchSibling(BiarchSibling)) {
|
|
addPathIfExists(GCCInstallation.getInstallPath() +
|
|
BiarchSibling.gccSuffix(), Paths);
|
|
}
|
|
|
|
// See comments above on the multilib variant for details of why this is
|
|
// included even from outside the sysroot.
|
|
const std::string &LibPath = GCCInstallation.getParentLibPath();
|
|
const llvm::Triple &GCCTriple = GCCInstallation.getTriple();
|
|
const Multilib &Multilib = GCCInstallation.getMultilib();
|
|
addPathIfExists(LibPath + "/../" + GCCTriple.str() +
|
|
"/lib" + Multilib.osSuffix(), Paths);
|
|
|
|
// See comments above on the multilib variant for details of why this is
|
|
// only included from within the sysroot.
|
|
if (StringRef(LibPath).startswith(SysRoot))
|
|
addPathIfExists(LibPath, Paths);
|
|
}
|
|
|
|
// Similar to the logic for GCC above, if we are currently running Clang
|
|
// inside of the requested system root, add its parent library path to those
|
|
// searched.
|
|
// FIXME: It's not clear whether we should use the driver's installed
|
|
// directory ('Dir' below) or the ResourceDir.
|
|
if (StringRef(D.Dir).startswith(SysRoot))
|
|
addPathIfExists(D.Dir + "/../lib", Paths);
|
|
|
|
addPathIfExists(SysRoot + "/lib", Paths);
|
|
addPathIfExists(SysRoot + "/usr/lib", Paths);
|
|
}
|
|
|
|
bool Linux::HasNativeLLVMSupport() const {
|
|
return true;
|
|
}
|
|
|
|
Tool *Linux::buildLinker() const {
|
|
return new tools::gnutools::Link(*this);
|
|
}
|
|
|
|
Tool *Linux::buildAssembler() const {
|
|
return new tools::gnutools::Assemble(*this);
|
|
}
|
|
|
|
std::string Linux::computeSysRoot() const {
|
|
if (!getDriver().SysRoot.empty())
|
|
return getDriver().SysRoot;
|
|
|
|
if (!GCCInstallation.isValid() || !isMipsArch(getTriple().getArch()))
|
|
return std::string();
|
|
|
|
// Standalone MIPS toolchains use different names for sysroot folder
|
|
// and put it into different places. Here we try to check some known
|
|
// variants.
|
|
|
|
const StringRef InstallDir = GCCInstallation.getInstallPath();
|
|
const StringRef TripleStr = GCCInstallation.getTriple().str();
|
|
const Multilib &Multilib = GCCInstallation.getMultilib();
|
|
|
|
std::string Path = (InstallDir + "/../../../../" + TripleStr + "/libc" +
|
|
Multilib.osSuffix()).str();
|
|
|
|
if (llvm::sys::fs::exists(Path))
|
|
return Path;
|
|
|
|
Path = (InstallDir + "/../../../../sysroot" + Multilib.osSuffix()).str();
|
|
|
|
if (llvm::sys::fs::exists(Path))
|
|
return Path;
|
|
|
|
return std::string();
|
|
}
|
|
|
|
void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
const Driver &D = getDriver();
|
|
std::string SysRoot = computeSysRoot();
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdinc))
|
|
return;
|
|
|
|
if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/local/include");
|
|
|
|
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
|
|
SmallString<128> P(D.ResourceDir);
|
|
llvm::sys::path::append(P, "include");
|
|
addSystemInclude(DriverArgs, CC1Args, P.str());
|
|
}
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
return;
|
|
|
|
// Check for configure-time C include directories.
|
|
StringRef CIncludeDirs(C_INCLUDE_DIRS);
|
|
if (CIncludeDirs != "") {
|
|
SmallVector<StringRef, 5> dirs;
|
|
CIncludeDirs.split(dirs, ":");
|
|
for (StringRef dir : dirs) {
|
|
StringRef Prefix = llvm::sys::path::is_absolute(dir) ? SysRoot : "";
|
|
addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Lacking those, try to detect the correct set of system includes for the
|
|
// target triple.
|
|
|
|
// Add include directories specific to the selected multilib set and multilib.
|
|
if (GCCInstallation.isValid()) {
|
|
auto Callback = Multilibs.includeDirsCallback();
|
|
if (Callback) {
|
|
const auto IncludePaths = Callback(GCCInstallation.getInstallPath(),
|
|
GCCInstallation.getTriple().str(),
|
|
GCCInstallation.getMultilib());
|
|
for (const auto &Path : IncludePaths)
|
|
addExternCSystemIncludeIfExists(DriverArgs, CC1Args, Path);
|
|
}
|
|
}
|
|
|
|
// Implement generic Debian multiarch support.
|
|
const StringRef X86_64MultiarchIncludeDirs[] = {
|
|
"/usr/include/x86_64-linux-gnu",
|
|
|
|
// FIXME: These are older forms of multiarch. It's not clear that they're
|
|
// in use in any released version of Debian, so we should consider
|
|
// removing them.
|
|
"/usr/include/i686-linux-gnu/64", "/usr/include/i486-linux-gnu/64"
|
|
};
|
|
const StringRef X86MultiarchIncludeDirs[] = {
|
|
"/usr/include/i386-linux-gnu",
|
|
|
|
// FIXME: These are older forms of multiarch. It's not clear that they're
|
|
// in use in any released version of Debian, so we should consider
|
|
// removing them.
|
|
"/usr/include/x86_64-linux-gnu/32", "/usr/include/i686-linux-gnu",
|
|
"/usr/include/i486-linux-gnu"
|
|
};
|
|
const StringRef AArch64MultiarchIncludeDirs[] = {
|
|
"/usr/include/aarch64-linux-gnu"
|
|
};
|
|
const StringRef ARMMultiarchIncludeDirs[] = {
|
|
"/usr/include/arm-linux-gnueabi"
|
|
};
|
|
const StringRef ARMHFMultiarchIncludeDirs[] = {
|
|
"/usr/include/arm-linux-gnueabihf"
|
|
};
|
|
const StringRef MIPSMultiarchIncludeDirs[] = {
|
|
"/usr/include/mips-linux-gnu"
|
|
};
|
|
const StringRef MIPSELMultiarchIncludeDirs[] = {
|
|
"/usr/include/mipsel-linux-gnu"
|
|
};
|
|
const StringRef MIPS64MultiarchIncludeDirs[] = {
|
|
"/usr/include/mips64-linux-gnu",
|
|
"/usr/include/mips64-linux-gnuabi64"
|
|
};
|
|
const StringRef MIPS64ELMultiarchIncludeDirs[] = {
|
|
"/usr/include/mips64el-linux-gnu",
|
|
"/usr/include/mips64el-linux-gnuabi64"
|
|
};
|
|
const StringRef PPCMultiarchIncludeDirs[] = {
|
|
"/usr/include/powerpc-linux-gnu"
|
|
};
|
|
const StringRef PPC64MultiarchIncludeDirs[] = {
|
|
"/usr/include/powerpc64-linux-gnu"
|
|
};
|
|
const StringRef PPC64LEMultiarchIncludeDirs[] = {
|
|
"/usr/include/powerpc64le-linux-gnu"
|
|
};
|
|
ArrayRef<StringRef> MultiarchIncludeDirs;
|
|
if (getTriple().getArch() == llvm::Triple::x86_64) {
|
|
MultiarchIncludeDirs = X86_64MultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::x86) {
|
|
MultiarchIncludeDirs = X86MultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
getTriple().getArch() == llvm::Triple::aarch64_be) {
|
|
MultiarchIncludeDirs = AArch64MultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::arm) {
|
|
if (getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
|
|
MultiarchIncludeDirs = ARMHFMultiarchIncludeDirs;
|
|
else
|
|
MultiarchIncludeDirs = ARMMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::mips) {
|
|
MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::mipsel) {
|
|
MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::mips64) {
|
|
MultiarchIncludeDirs = MIPS64MultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::mips64el) {
|
|
MultiarchIncludeDirs = MIPS64ELMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::ppc) {
|
|
MultiarchIncludeDirs = PPCMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::ppc64) {
|
|
MultiarchIncludeDirs = PPC64MultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::ppc64le) {
|
|
MultiarchIncludeDirs = PPC64LEMultiarchIncludeDirs;
|
|
}
|
|
for (StringRef Dir : MultiarchIncludeDirs) {
|
|
if (llvm::sys::fs::exists(SysRoot + Dir)) {
|
|
addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + Dir);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (getTriple().getOS() == llvm::Triple::RTEMS)
|
|
return;
|
|
|
|
// Add an include of '/include' directly. This isn't provided by default by
|
|
// system GCCs, but is often used with cross-compiling GCCs, and harmless to
|
|
// add even when Clang is acting as-if it were a system compiler.
|
|
addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/include");
|
|
|
|
addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include");
|
|
}
|
|
|
|
/// \brief Helper to add the variant paths of a libstdc++ installation.
|
|
/*static*/ bool Linux::addLibStdCXXIncludePaths(Twine Base, Twine Suffix,
|
|
StringRef GCCTriple,
|
|
StringRef GCCMultiarchTriple,
|
|
StringRef TargetMultiarchTriple,
|
|
Twine IncludeSuffix,
|
|
const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) {
|
|
if (!llvm::sys::fs::exists(Base + Suffix))
|
|
return false;
|
|
|
|
addSystemInclude(DriverArgs, CC1Args, Base + Suffix);
|
|
|
|
// The vanilla GCC layout of libstdc++ headers uses a triple subdirectory. If
|
|
// that path exists or we have neither a GCC nor target multiarch triple, use
|
|
// this vanilla search path.
|
|
if ((GCCMultiarchTriple.empty() && TargetMultiarchTriple.empty()) ||
|
|
llvm::sys::fs::exists(Base + Suffix + "/" + GCCTriple + IncludeSuffix)) {
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + Suffix + "/" + GCCTriple + IncludeSuffix);
|
|
} else {
|
|
// Otherwise try to use multiarch naming schemes which have normalized the
|
|
// triples and put the triple before the suffix.
|
|
//
|
|
// GCC surprisingly uses *both* the GCC triple with a multilib suffix and
|
|
// the target triple, so we support that here.
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + "/" + GCCMultiarchTriple + Suffix + IncludeSuffix);
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
Base + "/" + TargetMultiarchTriple + Suffix);
|
|
}
|
|
|
|
addSystemInclude(DriverArgs, CC1Args, Base + Suffix + "/backward");
|
|
return true;
|
|
}
|
|
|
|
void Linux::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
|
|
// Check if libc++ has been enabled and provide its include paths if so.
|
|
if (GetCXXStdlibType(DriverArgs) == ToolChain::CST_Libcxx) {
|
|
const std::string LibCXXIncludePathCandidates[] = {
|
|
// The primary location is within the Clang installation.
|
|
// FIXME: We shouldn't hard code 'v1' here to make Clang future proof to
|
|
// newer ABI versions.
|
|
getDriver().Dir + "/../include/c++/v1",
|
|
|
|
// We also check the system as for a long time this is the only place Clang looked.
|
|
// FIXME: We should really remove this. It doesn't make any sense.
|
|
getDriver().SysRoot + "/usr/include/c++/v1"
|
|
};
|
|
for (const auto &IncludePath : LibCXXIncludePathCandidates) {
|
|
if (!llvm::sys::fs::exists(IncludePath))
|
|
continue;
|
|
// Add the first candidate that exists.
|
|
addSystemInclude(DriverArgs, CC1Args, IncludePath);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// We need a detected GCC installation on Linux to provide libstdc++'s
|
|
// headers. We handled the libc++ case above.
|
|
if (!GCCInstallation.isValid())
|
|
return;
|
|
|
|
// By default, look for the C++ headers in an include directory adjacent to
|
|
// the lib directory of the GCC installation. Note that this is expect to be
|
|
// equivalent to '/usr/include/c++/X.Y' in almost all cases.
|
|
StringRef LibDir = GCCInstallation.getParentLibPath();
|
|
StringRef InstallDir = GCCInstallation.getInstallPath();
|
|
StringRef TripleStr = GCCInstallation.getTriple().str();
|
|
const Multilib &Multilib = GCCInstallation.getMultilib();
|
|
const std::string GCCMultiarchTriple =
|
|
getMultiarchTriple(GCCInstallation.getTriple(), getDriver().SysRoot);
|
|
const std::string TargetMultiarchTriple =
|
|
getMultiarchTriple(getTriple(), getDriver().SysRoot);
|
|
const GCCVersion &Version = GCCInstallation.getVersion();
|
|
|
|
// The primary search for libstdc++ supports multiarch variants.
|
|
if (addLibStdCXXIncludePaths(LibDir.str() + "/../include",
|
|
"/c++/" + Version.Text, TripleStr, GCCMultiarchTriple,
|
|
TargetMultiarchTriple,
|
|
Multilib.includeSuffix(), DriverArgs, CC1Args))
|
|
return;
|
|
|
|
// Otherwise, fall back on a bunch of options which don't use multiarch
|
|
// layouts for simplicity.
|
|
const std::string LibStdCXXIncludePathCandidates[] = {
|
|
// Gentoo is weird and places its headers inside the GCC install, so if the
|
|
// first attempt to find the headers fails, try these patterns.
|
|
InstallDir.str() + "/include/g++-v" + Version.MajorStr + "." +
|
|
Version.MinorStr,
|
|
InstallDir.str() + "/include/g++-v" + Version.MajorStr,
|
|
// Android standalone toolchain has C++ headers in yet another place.
|
|
LibDir.str() + "/../" + TripleStr.str() + "/include/c++/" + Version.Text,
|
|
// Freescale SDK C++ headers are directly in <sysroot>/usr/include/c++,
|
|
// without a subdirectory corresponding to the gcc version.
|
|
LibDir.str() + "/../include/c++",
|
|
};
|
|
|
|
for (const auto &IncludePath : LibStdCXXIncludePathCandidates) {
|
|
if (addLibStdCXXIncludePaths(IncludePath, /*Suffix*/ "", TripleStr,
|
|
/*GCCMultiarchTriple*/ "",
|
|
/*TargetMultiarchTriple*/ "",
|
|
Multilib.includeSuffix(), DriverArgs, CC1Args))
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool Linux::isPIEDefault() const {
|
|
return getSanitizerArgs().hasZeroBaseShadow();
|
|
}
|
|
|
|
/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
|
|
|
|
DragonFly::DragonFly(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
|
|
// Path mangling to find libexec
|
|
getProgramPaths().push_back(getDriver().getInstalledDir());
|
|
if (getDriver().getInstalledDir() != getDriver().Dir)
|
|
getProgramPaths().push_back(getDriver().Dir);
|
|
|
|
getFilePaths().push_back(getDriver().Dir + "/../lib");
|
|
getFilePaths().push_back("/usr/lib");
|
|
if (llvm::sys::fs::exists("/usr/lib/gcc47"))
|
|
getFilePaths().push_back("/usr/lib/gcc47");
|
|
else
|
|
getFilePaths().push_back("/usr/lib/gcc44");
|
|
}
|
|
|
|
Tool *DragonFly::buildAssembler() const {
|
|
return new tools::dragonfly::Assemble(*this);
|
|
}
|
|
|
|
Tool *DragonFly::buildLinker() const {
|
|
return new tools::dragonfly::Link(*this);
|
|
}
|
|
|
|
|
|
/// XCore tool chain
|
|
XCore::XCore(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args) : ToolChain(D, Triple, Args) {
|
|
// ProgramPaths are found via 'PATH' environment variable.
|
|
}
|
|
|
|
Tool *XCore::buildAssembler() const {
|
|
return new tools::XCore::Assemble(*this);
|
|
}
|
|
|
|
Tool *XCore::buildLinker() const {
|
|
return new tools::XCore::Link(*this);
|
|
}
|
|
|
|
bool XCore::isPICDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool XCore::isPIEDefault() const {
|
|
return false;
|
|
}
|
|
|
|
bool XCore::isPICDefaultForced() const {
|
|
return false;
|
|
}
|
|
|
|
bool XCore::SupportsProfiling() const {
|
|
return false;
|
|
}
|
|
|
|
bool XCore::hasBlocksRuntime() const {
|
|
return false;
|
|
}
|
|
|
|
void XCore::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
return;
|
|
if (const char *cl_include_dir = getenv("XCC_C_INCLUDE_PATH")) {
|
|
SmallVector<StringRef, 4> Dirs;
|
|
const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator,'\0'};
|
|
StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
|
|
ArrayRef<StringRef> DirVec(Dirs);
|
|
addSystemIncludes(DriverArgs, CC1Args, DirVec);
|
|
}
|
|
}
|
|
|
|
void XCore::addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
|
CC1Args.push_back("-nostdsysteminc");
|
|
}
|
|
|
|
void XCore::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdlibinc) ||
|
|
DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
return;
|
|
if (const char *cl_include_dir = getenv("XCC_CPLUS_INCLUDE_PATH")) {
|
|
SmallVector<StringRef, 4> Dirs;
|
|
const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator,'\0'};
|
|
StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
|
|
ArrayRef<StringRef> DirVec(Dirs);
|
|
addSystemIncludes(DriverArgs, CC1Args, DirVec);
|
|
}
|
|
}
|
|
|
|
void XCore::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
// We don't output any lib args. This is handled by xcc.
|
|
}
|