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diff --git a/contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp b/contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp
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+//===--- ToolChains.cpp - ToolChain Implementations ---------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ToolChains.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/HostInfo.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+#include "clang/Basic/Version.h"
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Path.h"
+
+#include <cstdlib> // ::getenv
+
+#ifndef CLANG_PREFIX
+#define CLANG_PREFIX
+#endif
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+
+/// Darwin - Darwin tool chain for i386 and x86_64.
+
+Darwin::Darwin(const HostInfo &Host, const llvm::Triple& Triple)
+ : ToolChain(Host, Triple), TargetInitialized(false)
+{
+ // Compute the initial Darwin version based on the host.
+ bool HadExtra;
+ std::string OSName = Triple.getOSName();
+ if (!Driver::GetReleaseVersion(&OSName[6],
+ DarwinVersion[0], DarwinVersion[1],
+ DarwinVersion[2], HadExtra))
+ getDriver().Diag(clang::diag::err_drv_invalid_darwin_version) << OSName;
+
+ llvm::raw_string_ostream(MacosxVersionMin)
+ << "10." << std::max(0, (int)DarwinVersion[0] - 4) << '.'
+ << DarwinVersion[1];
+}
+
+types::ID Darwin::LookupTypeForExtension(const char *Ext) const {
+ types::ID Ty = types::lookupTypeForExtension(Ext);
+
+ // Darwin always preprocesses assembly files (unless -x is used explicitly).
+ if (Ty == types::TY_PP_Asm)
+ return types::TY_Asm;
+
+ return Ty;
+}
+
+// FIXME: Can we tablegen this?
+static const char *GetArmArchForMArch(llvm::StringRef Value) {
+ if (Value == "armv6k")
+ return "armv6";
+
+ if (Value == "armv5tej")
+ return "armv5";
+
+ if (Value == "xscale")
+ return "xscale";
+
+ if (Value == "armv4t")
+ return "armv4t";
+
+ if (Value == "armv7" || Value == "armv7-a" || Value == "armv7-r" ||
+ Value == "armv7-m" || Value == "armv7a" || Value == "armv7r" ||
+ Value == "armv7m")
+ return "armv7";
+
+ return 0;
+}
+
+// FIXME: Can we tablegen this?
+static const char *GetArmArchForMCpu(llvm::StringRef Value) {
+ if (Value == "arm10tdmi" || Value == "arm1020t" || Value == "arm9e" ||
+ Value == "arm946e-s" || Value == "arm966e-s" ||
+ Value == "arm968e-s" || Value == "arm10e" ||
+ Value == "arm1020e" || Value == "arm1022e" || Value == "arm926ej-s" ||
+ Value == "arm1026ej-s")
+ return "armv5";
+
+ if (Value == "xscale")
+ return "xscale";
+
+ if (Value == "arm1136j-s" || Value == "arm1136jf-s" ||
+ Value == "arm1176jz-s" || Value == "arm1176jzf-s")
+ return "armv6";
+
+ if (Value == "cortex-a8" || Value == "cortex-r4" || Value == "cortex-m3")
+ return "armv7";
+
+ return 0;
+}
+
+llvm::StringRef Darwin::getDarwinArchName(const ArgList &Args) const {
+ switch (getTriple().getArch()) {
+ default:
+ return getArchName();
+
+ case llvm::Triple::arm: {
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
+ if (const char *Arch = GetArmArchForMArch(A->getValue(Args)))
+ return Arch;
+
+ if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ if (const char *Arch = GetArmArchForMCpu(A->getValue(Args)))
+ return Arch;
+
+ return "arm";
+ }
+ }
+}
+
+DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple)
+ : Darwin(Host, Triple)
+{
+ // We can only work with 4.2.1 currently.
+ GCCVersion[0] = 4;
+ GCCVersion[1] = 2;
+ GCCVersion[2] = 1;
+
+ // Set up the tool chain paths to match gcc.
+ ToolChainDir = "i686-apple-darwin";
+ ToolChainDir += llvm::utostr(DarwinVersion[0]);
+ ToolChainDir += "/";
+ ToolChainDir += llvm::utostr(GCCVersion[0]);
+ ToolChainDir += '.';
+ ToolChainDir += llvm::utostr(GCCVersion[1]);
+ ToolChainDir += '.';
+ ToolChainDir += llvm::utostr(GCCVersion[2]);
+
+ // Try the next major version if that tool chain dir is invalid.
+ std::string Tmp = "/usr/lib/gcc/" + ToolChainDir;
+ if (!llvm::sys::Path(Tmp).exists()) {
+ std::string Next = "i686-apple-darwin";
+ Next += llvm::utostr(DarwinVersion[0] + 1);
+ Next += "/";
+ Next += llvm::utostr(GCCVersion[0]);
+ Next += '.';
+ Next += llvm::utostr(GCCVersion[1]);
+ Next += '.';
+ Next += llvm::utostr(GCCVersion[2]);
+
+ // Use that if it exists, otherwise hope the user isn't linking.
+ //
+ // FIXME: Drop dependency on gcc's tool chain.
+ Tmp = "/usr/lib/gcc/" + Next;
+ if (llvm::sys::Path(Tmp).exists())
+ ToolChainDir = Next;
+ }
+
+ std::string Path;
+ if (getArchName() == "x86_64") {
+ Path = getDriver().Dir;
+ Path += "/../lib/gcc/";
+ Path += ToolChainDir;
+ Path += "/x86_64";
+ getFilePaths().push_back(Path);
+
+ Path = "/usr/lib/gcc/";
+ Path += ToolChainDir;
+ Path += "/x86_64";
+ getFilePaths().push_back(Path);
+ }
+
+ Path = getDriver().Dir;
+ Path += "/../lib/gcc/";
+ Path += ToolChainDir;
+ getFilePaths().push_back(Path);
+
+ Path = "/usr/lib/gcc/";
+ Path += ToolChainDir;
+ getFilePaths().push_back(Path);
+
+ Path = getDriver().Dir;
+ Path += "/../libexec/gcc/";
+ Path += ToolChainDir;
+ getProgramPaths().push_back(Path);
+
+ Path = "/usr/libexec/gcc/";
+ Path += ToolChainDir;
+ getProgramPaths().push_back(Path);
+
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+Darwin::~Darwin() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+std::string Darwin::ComputeEffectiveClangTriple(const ArgList &Args) const {
+ llvm::Triple Triple(ComputeLLVMTriple(Args));
+
+ // If the target isn't initialized (e.g., an unknown Darwin platform, return
+ // the default triple).
+ if (!isTargetInitialized())
+ return Triple.getTriple();
+
+ unsigned Version[3];
+ getTargetVersion(Version);
+
+ // Mangle the target version into the OS triple component. For historical
+ // reasons that make little sense, the version passed here is the "darwin"
+ // version, which drops the 10 and offsets by 4. See inverse code when
+ // setting the OS version preprocessor define.
+ if (!isTargetIPhoneOS()) {
+ Version[0] = Version[1] + 4;
+ Version[1] = Version[2];
+ Version[2] = 0;
+ } else {
+ // Use the environment to communicate that we are targetting iPhoneOS.
+ Triple.setEnvironmentName("iphoneos");
+ }
+
+ llvm::SmallString<16> Str;
+ llvm::raw_svector_ostream(Str) << "darwin" << Version[0]
+ << "." << Version[1] << "." << Version[2];
+ Triple.setOSName(Str.str());
+
+ return Triple.getTriple();
+}
+
+Tool &Darwin::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ // FIXME: This doesn't belong here, but ideally we will support static soon
+ // anyway.
+ bool HasStatic = (C.getArgs().hasArg(options::OPT_mkernel) ||
+ C.getArgs().hasArg(options::OPT_static) ||
+ C.getArgs().hasArg(options::OPT_fapple_kext));
+ bool IsIADefault = IsIntegratedAssemblerDefault() && !HasStatic;
+ bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ IsIADefault);
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ assert(0 && "Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ T = new tools::darwin::Preprocess(*this); break;
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::PrecompileJobClass:
+ case Action::CompileJobClass:
+ T = new tools::darwin::Compile(*this); break;
+ case Action::AssembleJobClass: {
+ if (UseIntegratedAs)
+ T = new tools::ClangAs(*this);
+ else
+ T = new tools::darwin::Assemble(*this);
+ break;
+ }
+ case Action::LinkJobClass:
+ T = new tools::darwin::Link(*this); break;
+ case Action::LipoJobClass:
+ T = new tools::darwin::Lipo(*this); break;
+ case Action::DsymutilJobClass:
+ T = new tools::darwin::Dsymutil(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+void DarwinGCC::AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ std::string Tmp;
+
+ // FIXME: Derive these correctly.
+ if (getArchName() == "x86_64") {
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/x86_64"));
+ // Intentionally duplicated for (temporary) gcc bug compatibility.
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/x86_64"));
+ }
+
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/" + ToolChainDir));
+
+ Tmp = getDriver().Dir + "/../lib/gcc/" + ToolChainDir;
+ if (llvm::sys::Path(Tmp).exists())
+ CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+ Tmp = getDriver().Dir + "/../lib/gcc";
+ if (llvm::sys::Path(Tmp).exists())
+ CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
+ // Intentionally duplicated for (temporary) gcc bug compatibility.
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
+ Tmp = getDriver().Dir + "/../lib/" + ToolChainDir;
+ if (llvm::sys::Path(Tmp).exists())
+ CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+ Tmp = getDriver().Dir + "/../lib";
+ if (llvm::sys::Path(Tmp).exists())
+ CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/../../../" + ToolChainDir));
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/../../.."));
+}
+
+void DarwinGCC::AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Note that this routine is only used for targetting OS X.
+
+ // Derived from libgcc and lib specs but refactored.
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_static");
+ } else {
+ if (Args.hasArg(options::OPT_static_libgcc)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else if (Args.hasArg(options::OPT_miphoneos_version_min_EQ)) {
+ // Derived from darwin_iphoneos_libgcc spec.
+ if (isTargetIPhoneOS()) {
+ CmdArgs.push_back("-lgcc_s.1");
+ } else {
+ CmdArgs.push_back("-lgcc_s.10.5");
+ }
+ } else if (Args.hasArg(options::OPT_shared_libgcc) ||
+ Args.hasFlag(options::OPT_fexceptions,
+ options::OPT_fno_exceptions) ||
+ Args.hasArg(options::OPT_fgnu_runtime)) {
+ // FIXME: This is probably broken on 10.3?
+ if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+ } else {
+ if (isMacosxVersionLT(10, 3, 9))
+ ; // Do nothing.
+ else if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+ }
+
+ if (isTargetIPhoneOS() || isMacosxVersionLT(10, 6)) {
+ CmdArgs.push_back("-lgcc");
+ CmdArgs.push_back("-lSystem");
+ } else {
+ CmdArgs.push_back("-lSystem");
+ CmdArgs.push_back("-lgcc");
+ }
+ }
+}
+
+DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple)
+ : Darwin(Host, Triple)
+{
+ // We expect 'as', 'ld', etc. to be adjacent to our install dir.
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir)
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // The Clang toolchain uses explicit paths for internal libraries.
+
+ // Unfortunately, we still might depend on a few of the libraries that are
+ // only available in the gcc library directory (in particular
+ // libstdc++.dylib). For now, hardcode the path to the known install location.
+ llvm::sys::Path P(getDriver().Dir);
+ P.eraseComponent(); // .../usr/bin -> ../usr
+ P.appendComponent("lib");
+ P.appendComponent("gcc");
+ switch (getTriple().getArch()) {
+ default:
+ assert(0 && "Invalid Darwin arch!");
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ P.appendComponent("i686-apple-darwin10");
+ break;
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ P.appendComponent("arm-apple-darwin10");
+ break;
+ case llvm::Triple::ppc:
+ case llvm::Triple::ppc64:
+ P.appendComponent("powerpc-apple-darwin10");
+ break;
+ }
+ P.appendComponent("4.2.1");
+
+ // Determine the arch specific GCC subdirectory.
+ const char *ArchSpecificDir = 0;
+ switch (getTriple().getArch()) {
+ default:
+ break;
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb: {
+ std::string Triple = ComputeLLVMTriple(Args);
+ llvm::StringRef TripleStr = Triple;
+ if (TripleStr.startswith("armv5") || TripleStr.startswith("thumbv5"))
+ ArchSpecificDir = "v5";
+ else if (TripleStr.startswith("armv6") || TripleStr.startswith("thumbv6"))
+ ArchSpecificDir = "v6";
+ else if (TripleStr.startswith("armv7") || TripleStr.startswith("thumbv7"))
+ ArchSpecificDir = "v7";
+ break;
+ }
+ case llvm::Triple::ppc64:
+ ArchSpecificDir = "ppc64";
+ break;
+ case llvm::Triple::x86_64:
+ ArchSpecificDir = "x86_64";
+ break;
+ }
+
+ if (ArchSpecificDir) {
+ P.appendComponent(ArchSpecificDir);
+ if (P.exists())
+ CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
+ P.eraseComponent();
+ }
+
+ if (P.exists())
+ CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
+}
+
+void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Darwin doesn't support real static executables, don't link any runtime
+ // libraries with -static.
+ if (Args.hasArg(options::OPT_static))
+ return;
+
+ // Reject -static-libgcc for now, we can deal with this when and if someone
+ // cares. This is useful in situations where someone wants to statically link
+ // something like libstdc++, and needs its runtime support routines.
+ if (const Arg *A = Args.getLastArg(options::OPT_static_libgcc)) {
+ getDriver().Diag(clang::diag::err_drv_unsupported_opt)
+ << A->getAsString(Args);
+ return;
+ }
+
+ // Otherwise link libSystem, then the dynamic runtime library, and finally any
+ // target specific static runtime library.
+ CmdArgs.push_back("-lSystem");
+
+ // Select the dynamic runtime library and the target specific static library.
+ const char *DarwinStaticLib = 0;
+ if (isTargetIPhoneOS()) {
+ CmdArgs.push_back("-lgcc_s.1");
+
+ // We may need some static functions for armv6/thumb which are required to
+ // be in the same linkage unit as their caller.
+ if (getDarwinArchName(Args) == "armv6")
+ DarwinStaticLib = "libclang_rt.armv6.a";
+ } else {
+ // The dynamic runtime library was merged with libSystem for 10.6 and
+ // beyond; only 10.4 and 10.5 need an additional runtime library.
+ if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+
+ // For OS X, we only need a static runtime library when targetting 10.4, to
+ // provide versions of the static functions which were omitted from
+ // 10.4.dylib.
+ if (isMacosxVersionLT(10, 5))
+ DarwinStaticLib = "libclang_rt.10.4.a";
+ }
+
+ /// Add the target specific static library, if needed.
+ if (DarwinStaticLib) {
+ llvm::sys::Path P(getDriver().ResourceDir);
+ P.appendComponent("lib");
+ P.appendComponent("darwin");
+ P.appendComponent(DarwinStaticLib);
+
+ // For now, allow missing resource libraries to support developers who may
+ // not have compiler-rt checked out or integrated into their build.
+ if (!P.exists())
+ getDriver().Diag(clang::diag::warn_drv_missing_resource_library)
+ << P.str();
+ else
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+ }
+}
+
+void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
+ const OptTable &Opts = getDriver().getOpts();
+
+ Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
+ Arg *iPhoneVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ);
+ if (OSXVersion && iPhoneVersion) {
+ getDriver().Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << OSXVersion->getAsString(Args)
+ << iPhoneVersion->getAsString(Args);
+ iPhoneVersion = 0;
+ } else if (!OSXVersion && !iPhoneVersion) {
+ // If neither OS X nor iPhoneOS targets were specified, check for
+ // environment defines.
+ const char *OSXTarget = ::getenv("MACOSX_DEPLOYMENT_TARGET");
+ const char *iPhoneOSTarget = ::getenv("IPHONEOS_DEPLOYMENT_TARGET");
+
+ // Ignore empty strings.
+ if (OSXTarget && OSXTarget[0] == '\0')
+ OSXTarget = 0;
+ if (iPhoneOSTarget && iPhoneOSTarget[0] == '\0')
+ iPhoneOSTarget = 0;
+
+ // Diagnose conflicting deployment targets, and choose default platform
+ // based on the tool chain.
+ //
+ // FIXME: Don't hardcode default here.
+ if (OSXTarget && iPhoneOSTarget) {
+ // FIXME: We should see if we can get away with warning or erroring on
+ // this. Perhaps put under -pedantic?
+ if (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb)
+ OSXTarget = 0;
+ else
+ iPhoneOSTarget = 0;
+ }
+
+ if (OSXTarget) {
+ const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
+ OSXVersion = Args.MakeJoinedArg(0, O, OSXTarget);
+ Args.append(OSXVersion);
+ } else if (iPhoneOSTarget) {
+ const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
+ iPhoneVersion = Args.MakeJoinedArg(0, O, iPhoneOSTarget);
+ Args.append(iPhoneVersion);
+ } else {
+ // Otherwise, assume we are targeting OS X.
+ const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
+ OSXVersion = Args.MakeJoinedArg(0, O, MacosxVersionMin);
+ Args.append(OSXVersion);
+ }
+ }
+
+ // Set the tool chain target information.
+ unsigned Major, Minor, Micro;
+ bool HadExtra;
+ if (OSXVersion) {
+ assert(!iPhoneVersion && "Unknown target platform!");
+ if (!Driver::GetReleaseVersion(OSXVersion->getValue(Args), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major != 10 || Minor >= 10 || Micro >= 10)
+ getDriver().Diag(clang::diag::err_drv_invalid_version_number)
+ << OSXVersion->getAsString(Args);
+ } else {
+ assert(iPhoneVersion && "Unknown target platform!");
+ if (!Driver::GetReleaseVersion(iPhoneVersion->getValue(Args), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major >= 10 || Minor >= 100 || Micro >= 100)
+ getDriver().Diag(clang::diag::err_drv_invalid_version_number)
+ << iPhoneVersion->getAsString(Args);
+ }
+ setTarget(iPhoneVersion, Major, Minor, Micro);
+}
+
+DerivedArgList *Darwin::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 (ArgList::const_iterator it = Args.begin(),
+ ie = Args.end(); it != ie; ++it) {
+ Arg *A = *it;
+
+ if (A->getOption().matches(options::OPT_Xarch__)) {
+ // FIXME: Canonicalize name.
+ if (getArchName() != A->getValue(Args, 0))
+ continue;
+
+ unsigned Index = Args.getBaseArgs().MakeIndex(A->getValue(Args, 1));
+ unsigned Prev = Index;
+ 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 ||
+ XarchArg->getOption().isDriverOption()) {
+ getDriver().Diag(clang::diag::err_drv_invalid_Xarch_argument)
+ << A->getAsString(Args);
+ continue;
+ }
+
+ XarchArg->setBaseArg(A);
+ A = XarchArg;
+
+ DAL->AddSynthesizedArg(A);
+ }
+
+ // 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));
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_static));
+ break;
+
+ case options::OPT_dependency_file:
+ DAL->AddSeparateArg(A, Opts.getOption(options::OPT_MF),
+ A->getValue(Args));
+ 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_fterminated_vtables:
+ case options::OPT_findirect_virtual_calls:
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_fapple_kext));
+ DAL->AddFlagArg(A, Opts.getOption(options::OPT_static));
+ 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(0, 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) {
+ llvm::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(0, MCpu, "601");
+ else if (Name == "ppc603")
+ DAL->AddJoinedArg(0, MCpu, "603");
+ else if (Name == "ppc604")
+ DAL->AddJoinedArg(0, MCpu, "604");
+ else if (Name == "ppc604e")
+ DAL->AddJoinedArg(0, MCpu, "604e");
+ else if (Name == "ppc750")
+ DAL->AddJoinedArg(0, MCpu, "750");
+ else if (Name == "ppc7400")
+ DAL->AddJoinedArg(0, MCpu, "7400");
+ else if (Name == "ppc7450")
+ DAL->AddJoinedArg(0, MCpu, "7450");
+ else if (Name == "ppc970")
+ DAL->AddJoinedArg(0, MCpu, "970");
+
+ else if (Name == "ppc64")
+ DAL->AddFlagArg(0, Opts.getOption(options::OPT_m64));
+
+ else if (Name == "i386")
+ ;
+ else if (Name == "i486")
+ DAL->AddJoinedArg(0, MArch, "i486");
+ else if (Name == "i586")
+ DAL->AddJoinedArg(0, MArch, "i586");
+ else if (Name == "i686")
+ DAL->AddJoinedArg(0, MArch, "i686");
+ else if (Name == "pentium")
+ DAL->AddJoinedArg(0, MArch, "pentium");
+ else if (Name == "pentium2")
+ DAL->AddJoinedArg(0, MArch, "pentium2");
+ else if (Name == "pentpro")
+ DAL->AddJoinedArg(0, MArch, "pentiumpro");
+ else if (Name == "pentIIm3")
+ DAL->AddJoinedArg(0, MArch, "pentium2");
+
+ else if (Name == "x86_64")
+ DAL->AddFlagArg(0, Opts.getOption(options::OPT_m64));
+
+ else if (Name == "arm")
+ DAL->AddJoinedArg(0, MArch, "armv4t");
+ else if (Name == "armv4t")
+ DAL->AddJoinedArg(0, MArch, "armv4t");
+ else if (Name == "armv5")
+ DAL->AddJoinedArg(0, MArch, "armv5tej");
+ else if (Name == "xscale")
+ DAL->AddJoinedArg(0, MArch, "xscale");
+ else if (Name == "armv6")
+ DAL->AddJoinedArg(0, MArch, "armv6k");
+ else if (Name == "armv7")
+ DAL->AddJoinedArg(0, MArch, "armv7a");
+
+ else
+ llvm_unreachable("invalid Darwin arch");
+ }
+
+ // 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);
+
+ return DAL;
+}
+
+bool Darwin::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+bool Darwin::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);
+}
+
+const char *Darwin::GetDefaultRelocationModel() const {
+ return "pic";
+}
+
+const char *Darwin::GetForcedPicModel() const {
+ if (getArchName() == "x86_64")
+ return "pic";
+ return 0;
+}
+
+bool Darwin::SupportsObjCGC() const {
+ // Garbage collection is supported everywhere except on iPhone OS.
+ return !isTargetIPhoneOS();
+}
+
+std::string
+Darwin_Generic_GCC::ComputeEffectiveClangTriple(const ArgList &Args) const {
+ return ComputeLLVMTriple(Args);
+}
+
+/// Generic_GCC - A tool chain using the 'gcc' command to perform
+/// all subcommands; this relies on gcc translating the majority of
+/// command line options.
+
+Generic_GCC::Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
+ : ToolChain(Host, Triple) {
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir.c_str())
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+Generic_GCC::~Generic_GCC() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+Tool &Generic_GCC::SelectTool(const Compilation &C,
+ const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ assert(0 && "Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ T = new tools::gcc::Preprocess(*this); break;
+ case Action::PrecompileJobClass:
+ T = new tools::gcc::Precompile(*this); break;
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::CompileJobClass:
+ T = new tools::gcc::Compile(*this); break;
+ case Action::AssembleJobClass:
+ T = new tools::gcc::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::gcc::Link(*this); break;
+
+ // This is a bit ungeneric, but the only platform using a driver
+ // driver is Darwin.
+ case Action::LipoJobClass:
+ T = new tools::darwin::Lipo(*this); break;
+ case Action::DsymutilJobClass:
+ T = new tools::darwin::Dsymutil(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+bool Generic_GCC::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+const char *Generic_GCC::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *Generic_GCC::GetForcedPicModel() const {
+ return 0;
+}
+
+/// 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 HostInfo &Host, const llvm::Triple& Triple)
+ : ToolChain(Host, Triple) {
+ // Path mangling to find libexec
+ std::string Path(getDriver().Dir);
+
+ Path += "/../libexec";
+ getProgramPaths().push_back(Path);
+}
+
+TCEToolChain::~TCEToolChain() {
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool TCEToolChain::IsMathErrnoDefault() const {
+ return true;
+}
+
+bool TCEToolChain::IsUnwindTablesDefault() const {
+ return false;
+}
+
+const char *TCEToolChain::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *TCEToolChain::GetForcedPicModel() const {
+ return 0;
+}
+
+Tool &TCEToolChain::SelectTool(const Compilation &C,
+ const JobAction &JA) const {
+ Action::ActionClass Key;
+ Key = Action::AnalyzeJobClass;
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::PreprocessJobClass:
+ T = new tools::gcc::Preprocess(*this); break;
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ default:
+ assert(false && "Unsupported action for TCE target.");
+ }
+ }
+ return *T;
+}
+
+/// OpenBSD - OpenBSD tool chain which can call as(1) and ld(1) directly.
+
+OpenBSD::OpenBSD(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+}
+
+Tool &OpenBSD::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::openbsd::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::openbsd::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+/// FreeBSD - FreeBSD tool chain which can call as(1) and ld(1) directly.
+
+FreeBSD::FreeBSD(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+
+ // Determine if we are compiling 32-bit code on an x86_64 platform.
+ bool Lib32 = false;
+ if (Triple.getArch() == llvm::Triple::x86 &&
+ llvm::Triple(getDriver().DefaultHostTriple).getArch() ==
+ llvm::Triple::x86_64)
+ Lib32 = true;
+
+ getProgramPaths().push_back(getDriver().Dir + "/../libexec");
+ getProgramPaths().push_back("/usr/libexec");
+ if (Lib32) {
+ getFilePaths().push_back(CLANG_PREFIX "/usr/lib32");
+ } else {
+ getFilePaths().push_back(CLANG_PREFIX "/usr/lib");
+ }
+}
+
+Tool &FreeBSD::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::freebsd::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::freebsd::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+/// Minix - Minix tool chain which can call as(1) and ld(1) directly.
+
+Minix::Minix(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/gnu/lib");
+ getFilePaths().push_back("/usr/gnu/lib/gcc/i686-pc-minix/4.4.3");
+}
+
+Tool &Minix::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::minix::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::minix::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+/// AuroraUX - AuroraUX tool chain which can call as(1) and ld(1) directly.
+
+AuroraUX::AuroraUX(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir.c_str())
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/sfw/lib");
+ getFilePaths().push_back("/opt/gcc4/lib");
+ getFilePaths().push_back("/opt/gcc4/lib/gcc/i386-pc-solaris2.11/4.2.4");
+
+}
+
+Tool &AuroraUX::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::auroraux::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::auroraux::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+
+/// Linux toolchain (very bare-bones at the moment).
+
+Linux::Linux(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+ getFilePaths().push_back(getDriver().Dir +
+ "/../lib/clang/" CLANG_VERSION_STRING "/");
+ getFilePaths().push_back("/lib/");
+ getFilePaths().push_back("/usr/lib/");
+
+ // Depending on the Linux distribution, any combination of lib{,32,64} is
+ // possible. E.g. Debian uses lib and lib32 for mixed i386/x86-64 systems,
+ // openSUSE uses lib and lib64 for the same purpose.
+ getFilePaths().push_back("/lib32/");
+ getFilePaths().push_back("/usr/lib32/");
+ getFilePaths().push_back("/lib64/");
+ getFilePaths().push_back("/usr/lib64/");
+
+ // FIXME: Figure out some way to get gcc's libdir
+ // (e.g. /usr/lib/gcc/i486-linux-gnu/4.3/ for Ubuntu 32-bit); we need
+ // crtbegin.o/crtend.o/etc., and want static versions of various
+ // libraries. If we had our own crtbegin.o/crtend.o/etc, we could probably
+ // get away with using shared versions in /usr/lib, though.
+ // We could fall back to the approach we used for includes (a massive
+ // list), but that's messy at best.
+}
+
+Tool &Linux::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::linuxtools::Assemble(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
+
+DragonFly::DragonFly(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+
+ // Path mangling to find libexec
+ getProgramPaths().push_back(getDriver().getInstalledDir());
+ if (getDriver().getInstalledDir() != getDriver().Dir.c_str())
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/lib/gcc41");
+}
+
+Tool &DragonFly::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::dragonfly::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::dragonfly::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+Windows::Windows(const HostInfo &Host, const llvm::Triple& Triple)
+ : ToolChain(Host, Triple) {
+}
+
+Tool &Windows::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ case Action::LipoJobClass:
+ case Action::DsymutilJobClass:
+ assert(0 && "Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ case Action::PrecompileJobClass:
+ case Action::AnalyzeJobClass:
+ case Action::CompileJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::AssembleJobClass:
+ T = new tools::ClangAs(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::visualstudio::Link(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+bool Windows::IsIntegratedAssemblerDefault() const {
+ return true;
+}
+
+bool Windows::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+const char *Windows::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *Windows::GetForcedPicModel() const {
+ if (getArchName() == "x86_64")
+ return "pic";
+ return 0;
+}
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