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Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp | 989 |
1 files changed, 989 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp b/contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp new file mode 100644 index 0000000..abb55b0 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Driver/ToolChains.cpp @@ -0,0 +1,989 @@ +//===--- 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 "llvm/ADT/StringExtras.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/System/Path.h" + +#include <cstdlib> // ::getenv + +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, + const unsigned (&_DarwinVersion)[3]) + : ToolChain(Host, Triple), TargetInitialized(false) +{ + llvm::raw_string_ostream(MacosxVersionMin) + << "10." << std::max(0, (int)_DarwinVersion[0] - 4) << '.' + << _DarwinVersion[1]; +} + +// 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, + const unsigned (&DarwinVersion)[3], + const unsigned (&_GCCVersion)[3]) + : Darwin(Host, Triple, DarwinVersion) +{ + GCCVersion[0] = _GCCVersion[0]; + GCCVersion[1] = _GCCVersion[1]; + GCCVersion[2] = _GCCVersion[2]; + + // 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().Dir); +} + +Darwin::~Darwin() { + // Free tool implementations. + for (llvm::DenseMap<unsigned, Tool*>::iterator + it = Tools.begin(), ie = Tools.end(); it != ie; ++it) + delete it->second; +} + +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; + } + } + + 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, + const unsigned (&DarwinVersion)[3]) + : Darwin(Host, Triple, DarwinVersion) +{ + // We expect 'as', 'ld', etc. to be adjacent to our install dir. + getProgramPaths().push_back(getDriver().Dir); +} + +void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args, + ArgStringList &CmdArgs) const { + // The Clang toolchain uses explicit paths for internal libraries. +} + +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())); + } +} + +DerivedArgList *Darwin::TranslateArgs(InputArgList &Args, + const char *BoundArch) const { + DerivedArgList *DAL = new DerivedArgList(Args, false); + 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. + + 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 = DAL->MakeJoinedArg(0, O, OSXTarget); + DAL->append(OSXVersion); + } else if (iPhoneOSTarget) { + const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ); + iPhoneVersion = DAL->MakeJoinedArg(0, O, iPhoneOSTarget); + DAL->append(iPhoneVersion); + } else { + // Otherwise, choose a default platform based on the tool chain. + // + // FIXME: Don't hardcode default here. + if (getTriple().getArch() == llvm::Triple::arm || + getTriple().getArch() == llvm::Triple::thumb) { + const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ); + iPhoneVersion = DAL->MakeJoinedArg(0, O, "3.0"); + DAL->append(iPhoneVersion); + } else { + const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ); + OSXVersion = DAL->MakeJoinedArg(0, O, MacosxVersionMin); + DAL->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); + + for (ArgList::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; + + // FIXME: The arg is leaked here, and we should have a nicer + // interface for this. + unsigned Prev, Index = Prev = A->getIndex() + 1; + 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; + } + + // 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->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static))); + DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static))); + break; + + case options::OPT_dependency_file: + DAL->append(DAL->MakeSeparateArg(A, Opts.getOption(options::OPT_MF), + A->getValue(Args))); + break; + + case options::OPT_gfull: + DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag))); + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols))); + break; + + case options::OPT_gused: + DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag))); + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_feliminate_unused_debug_symbols))); + break; + + case options::OPT_fterminated_vtables: + case options::OPT_findirect_virtual_calls: + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_fapple_kext))); + DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static))); + break; + + case options::OPT_shared: + DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_dynamiclib))); + break; + + case options::OPT_fconstant_cfstrings: + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_mconstant_cfstrings))); + break; + + case options::OPT_fno_constant_cfstrings: + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_mno_constant_cfstrings))); + break; + + case options::OPT_Wnonportable_cfstrings: + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_mwarn_nonportable_cfstrings))); + break; + + case options::OPT_Wno_nonportable_cfstrings: + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings))); + break; + + case options::OPT_fpascal_strings: + DAL->append(DAL->MakeFlagArg(A, + Opts.getOption(options::OPT_mpascal_strings))); + break; + + case options::OPT_fno_pascal_strings: + DAL->append(DAL->MakeFlagArg(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->append(DAL->MakeJoinedArg(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->append(DAL->MakeJoinedArg(0, MCpu, "601")); + else if (Name == "ppc603") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "603")); + else if (Name == "ppc604") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "604")); + else if (Name == "ppc604e") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "604e")); + else if (Name == "ppc750") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "750")); + else if (Name == "ppc7400") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "7400")); + else if (Name == "ppc7450") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "7450")); + else if (Name == "ppc970") + DAL->append(DAL->MakeJoinedArg(0, MCpu, "970")); + + else if (Name == "ppc64") + DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64))); + + else if (Name == "i386") + ; + else if (Name == "i486") + DAL->append(DAL->MakeJoinedArg(0, MArch, "i486")); + else if (Name == "i586") + DAL->append(DAL->MakeJoinedArg(0, MArch, "i586")); + else if (Name == "i686") + DAL->append(DAL->MakeJoinedArg(0, MArch, "i686")); + else if (Name == "pentium") + DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium")); + else if (Name == "pentium2") + DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium2")); + else if (Name == "pentpro") + DAL->append(DAL->MakeJoinedArg(0, MArch, "pentiumpro")); + else if (Name == "pentIIm3") + DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium2")); + + else if (Name == "x86_64") + DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64))); + + else if (Name == "arm") + DAL->append(DAL->MakeJoinedArg(0, MArch, "armv4t")); + else if (Name == "armv4t") + DAL->append(DAL->MakeJoinedArg(0, MArch, "armv4t")); + else if (Name == "armv5") + DAL->append(DAL->MakeJoinedArg(0, MArch, "armv5tej")); + else if (Name == "xscale") + DAL->append(DAL->MakeJoinedArg(0, MArch, "xscale")); + else if (Name == "armv6") + DAL->append(DAL->MakeJoinedArg(0, MArch, "armv6k")); + else if (Name == "armv7") + DAL->append(DAL->MakeJoinedArg(0, MArch, "armv7a")); + + else + llvm_unreachable("invalid Darwin arch"); + } + + 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(); +} + +/// 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().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; + } + } + + 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; +} + +DerivedArgList *Generic_GCC::TranslateArgs(InputArgList &Args, + const char *BoundArch) const { + return new DerivedArgList(Args, true); +} + + +/// 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; +} + +DerivedArgList *TCEToolChain::TranslateArgs(InputArgList &Args, + const char *BoundArch) const { + return new DerivedArgList(Args, true); +} + +/// 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, bool Lib32) + : Generic_GCC(Host, Triple) { + if (Lib32) { + getFilePaths().push_back(getDriver().Dir + "/../lib32"); + getFilePaths().push_back("/usr/lib32"); + } else { + getFilePaths().push_back(getDriver().Dir + "/../lib"); + getFilePaths().push_back("/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; +} + +/// 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().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/1.0/"); + 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. +} + +/// 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().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; +} |
