forked from OSchip/llvm-project
2463 lines
85 KiB
C++
2463 lines
85 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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#ifdef HAVE_CLANG_CONFIG_H
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# include "clang/Config/config.h"
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#endif
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#include "clang/Driver/Arg.h"
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#include "clang/Driver/ArgList.h"
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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/HostInfo.h"
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#include "clang/Driver/ObjCRuntime.h"
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#include "clang/Driver/OptTable.h"
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#include "clang/Driver/Option.h"
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#include "clang/Driver/Options.h"
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#include "clang/Basic/Version.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/ADT/STLExtras.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/raw_ostream.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/system_error.h"
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#include <cstdlib> // ::getenv
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#include "llvm/Config/config.h" // for CXX_INCLUDE_ROOT
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// Include the necessary headers to interface with the Windows registry and
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// environment.
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#ifdef _MSC_VER
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#define WIN32_LEAN_AND_MEAN
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#define NOGDI
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#define NOMINMAX
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#include <Windows.h>
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#endif
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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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/// \brief Utility function to add a system include directory to CC1 arguments.
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static void addSystemInclude(const ArgList &DriverArgs, ArgStringList &CC1Args,
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const Twine &Path) {
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CC1Args.push_back("-internal-isystem");
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CC1Args.push_back(DriverArgs.MakeArgString(Path));
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}
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/// \brief Utility function to add a system include directory with extern "C"
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/// semantics to CC1 arguments.
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///
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/// Note that this should be used rarely, and only for directories that
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/// historically and for legacy reasons are treated as having implicit extern
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/// "C" semantics. These semantics are *ignored* by and large today, but its
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/// important to preserve the preprocessor changes resulting from the
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/// classification.
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static void addExternCSystemInclude(const ArgList &DriverArgs,
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ArgStringList &CC1Args, const Twine &Path) {
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CC1Args.push_back("-internal-externc-isystem");
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CC1Args.push_back(DriverArgs.MakeArgString(Path));
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}
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/// \brief Utility function to add a list of system include directories to CC1.
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static void addSystemIncludes(const ArgList &DriverArgs,
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ArgStringList &CC1Args,
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ArrayRef<StringRef> Paths) {
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for (ArrayRef<StringRef>::iterator I = Paths.begin(), E = Paths.end();
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I != E; ++I) {
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CC1Args.push_back("-internal-isystem");
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CC1Args.push_back(DriverArgs.MakeArgString(*I));
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}
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}
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/// Darwin - Darwin tool chain for i386 and x86_64.
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Darwin::Darwin(const HostInfo &Host, const llvm::Triple& Triple)
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: ToolChain(Host, Triple), TargetInitialized(false),
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ARCRuntimeForSimulator(ARCSimulator_None),
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LibCXXForSimulator(LibCXXSimulator_None)
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{
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// Compute the initial Darwin version based on the host.
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bool HadExtra;
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std::string OSName = Triple.getOSName();
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if (!Driver::GetReleaseVersion(&OSName.c_str()[6],
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DarwinVersion[0], DarwinVersion[1],
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DarwinVersion[2], HadExtra))
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getDriver().Diag(diag::err_drv_invalid_darwin_version) << OSName;
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llvm::raw_string_ostream(MacosxVersionMin)
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<< "10." << std::max(0, (int)DarwinVersion[0] - 4) << '.'
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<< DarwinVersion[1];
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}
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types::ID Darwin::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 Darwin::HasNativeLLVMSupport() const {
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return true;
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}
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bool Darwin::hasARCRuntime() const {
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// FIXME: Remove this once there is a proper way to detect an ARC runtime
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// for the simulator.
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switch (ARCRuntimeForSimulator) {
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case ARCSimulator_None:
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break;
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case ARCSimulator_HasARCRuntime:
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return true;
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case ARCSimulator_NoARCRuntime:
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return false;
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}
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if (isTargetIPhoneOS())
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return !isIPhoneOSVersionLT(5);
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else
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return !isMacosxVersionLT(10, 7);
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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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void Darwin::configureObjCRuntime(ObjCRuntime &runtime) const {
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if (runtime.getKind() != ObjCRuntime::NeXT)
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return ToolChain::configureObjCRuntime(runtime);
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runtime.HasARC = runtime.HasWeak = hasARCRuntime();
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// So far, objc_terminate is only available in iOS 5.
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// FIXME: do the simulator logic properly.
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if (!ARCRuntimeForSimulator && isTargetIPhoneOS())
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runtime.HasTerminate = !isIPhoneOSVersionLT(5);
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else
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runtime.HasTerminate = false;
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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 (isTargetIPhoneOS())
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return !isIPhoneOSVersionLT(3, 2);
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else
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return !isMacosxVersionLT(10, 6);
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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("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("armv7m", "armv7-m", "armv7")
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.Default(0);
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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",
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"arm1176jzf-s", "cortex-m0", "armv6")
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.Cases("cortex-a8", "cortex-r4", "cortex-m3", "cortex-a9", "armv7")
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.Default(0);
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}
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StringRef Darwin::getDarwinArchName(const ArgList &Args) const {
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switch (getTriple().getArch()) {
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default:
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return getArchName();
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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(Args)))
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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(Args)))
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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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// Free tool implementations.
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for (llvm::DenseMap<unsigned, Tool*>::iterator
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it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
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delete it->second;
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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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unsigned Version[3];
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getTargetVersion(Version);
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llvm::SmallString<16> Str;
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llvm::raw_svector_ostream(Str)
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<< (isTargetIPhoneOS() ? "ios" : "macosx")
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<< Version[0] << "." << Version[1] << "." << Version[2];
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Triple.setOSName(Str.str());
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return Triple.getTriple();
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}
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Tool &Darwin::SelectTool(const Compilation &C, const JobAction &JA,
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const ActionList &Inputs) const {
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Action::ActionClass Key;
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if (getDriver().ShouldUseClangCompiler(C, JA, getTriple())) {
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// Fallback to llvm-gcc for i386 kext compiles, we don't support that ABI.
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if (Inputs.size() == 1 &&
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types::isCXX(Inputs[0]->getType()) &&
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getTriple().isOSDarwin() &&
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getTriple().getArch() == llvm::Triple::x86 &&
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(C.getArgs().getLastArg(options::OPT_fapple_kext) ||
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C.getArgs().getLastArg(options::OPT_mkernel)))
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Key = JA.getKind();
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else
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Key = Action::AnalyzeJobClass;
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} else
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Key = JA.getKind();
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bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
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options::OPT_no_integrated_as,
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IsIntegratedAssemblerDefault());
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Tool *&T = Tools[Key];
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if (!T) {
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switch (Key) {
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case Action::InputClass:
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case Action::BindArchClass:
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llvm_unreachable("Invalid tool kind.");
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case Action::PreprocessJobClass:
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T = new tools::darwin::Preprocess(*this); break;
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case Action::AnalyzeJobClass:
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T = new tools::Clang(*this); break;
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case Action::PrecompileJobClass:
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case Action::CompileJobClass:
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T = new tools::darwin::Compile(*this); break;
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case Action::AssembleJobClass: {
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if (UseIntegratedAs)
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T = new tools::ClangAs(*this);
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else
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T = new tools::darwin::Assemble(*this);
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break;
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}
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case Action::LinkJobClass:
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T = new tools::darwin::Link(*this); break;
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case Action::LipoJobClass:
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T = new tools::darwin::Lipo(*this); break;
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case Action::DsymutilJobClass:
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T = new tools::darwin::Dsymutil(*this); break;
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case Action::VerifyJobClass:
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T = new tools::darwin::VerifyDebug(*this); break;
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}
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}
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return *T;
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}
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DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple)
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: Darwin(Host, Triple)
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{
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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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// For fallback, we need to know how to find the GCC cc1 executables, so we
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// also add the GCC libexec paths. This is legacy code that can be removed
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// once fallback is no longer useful.
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AddGCCLibexecPath(DarwinVersion[0]);
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AddGCCLibexecPath(DarwinVersion[0] - 2);
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AddGCCLibexecPath(DarwinVersion[0] - 1);
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AddGCCLibexecPath(DarwinVersion[0] + 1);
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AddGCCLibexecPath(DarwinVersion[0] + 2);
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}
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void DarwinClang::AddGCCLibexecPath(unsigned darwinVersion) {
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std::string ToolChainDir = "i686-apple-darwin";
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ToolChainDir += llvm::utostr(darwinVersion);
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ToolChainDir += "/4.2.1";
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std::string Path = getDriver().Dir;
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Path += "/../llvm-gcc-4.2/libexec/gcc/";
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Path += ToolChainDir;
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getProgramPaths().push_back(Path);
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Path = "/usr/llvm-gcc-4.2/libexec/gcc/";
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Path += ToolChainDir;
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getProgramPaths().push_back(Path);
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}
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void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args,
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ArgStringList &CmdArgs) const {
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// The Clang toolchain uses explicit paths for internal libraries.
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// Unfortunately, we still might depend on a few of the libraries that are
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// only available in the gcc library directory (in particular
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// libstdc++.dylib). For now, hardcode the path to the known install location.
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// FIXME: This should get ripped out someday. However, when building on
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// 10.6 (darwin10), we're still relying on this to find libstdc++.dylib.
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llvm::sys::Path P(getDriver().Dir);
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P.eraseComponent(); // .../usr/bin -> ../usr
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P.appendComponent("llvm-gcc-4.2");
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P.appendComponent("lib");
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P.appendComponent("gcc");
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switch (getTriple().getArch()) {
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default:
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llvm_unreachable("Invalid Darwin arch!");
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case llvm::Triple::x86:
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case llvm::Triple::x86_64:
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P.appendComponent("i686-apple-darwin10");
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break;
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case llvm::Triple::arm:
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case llvm::Triple::thumb:
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P.appendComponent("arm-apple-darwin10");
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break;
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case llvm::Triple::ppc:
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case llvm::Triple::ppc64:
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P.appendComponent("powerpc-apple-darwin10");
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break;
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}
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P.appendComponent("4.2.1");
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// Determine the arch specific GCC subdirectory.
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const char *ArchSpecificDir = 0;
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switch (getTriple().getArch()) {
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default:
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break;
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case llvm::Triple::arm:
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case llvm::Triple::thumb: {
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std::string Triple = ComputeLLVMTriple(Args);
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StringRef TripleStr = Triple;
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if (TripleStr.startswith("armv5") || TripleStr.startswith("thumbv5"))
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ArchSpecificDir = "v5";
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else if (TripleStr.startswith("armv6") || TripleStr.startswith("thumbv6"))
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ArchSpecificDir = "v6";
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else if (TripleStr.startswith("armv7") || TripleStr.startswith("thumbv7"))
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ArchSpecificDir = "v7";
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break;
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}
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case llvm::Triple::ppc64:
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ArchSpecificDir = "ppc64";
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break;
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case llvm::Triple::x86_64:
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ArchSpecificDir = "x86_64";
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break;
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}
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if (ArchSpecificDir) {
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P.appendComponent(ArchSpecificDir);
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bool Exists;
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if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
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CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
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P.eraseComponent();
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}
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bool Exists;
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if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
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CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
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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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CmdArgs.push_back("-force_load");
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llvm::sys::Path P(getDriver().ClangExecutable);
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P.eraseComponent(); // 'clang'
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P.eraseComponent(); // 'bin'
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P.appendComponent("lib");
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P.appendComponent("arc");
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P.appendComponent("libarclite_");
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std::string s = P.str();
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// Mash in the platform.
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if (isTargetIOSSimulator())
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s += "iphonesimulator";
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else if (isTargetIPhoneOS())
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s += "iphoneos";
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// FIXME: Remove this once we depend fully on -mios-simulator-version-min.
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else if (ARCRuntimeForSimulator != ARCSimulator_None)
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s += "iphonesimulator";
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else
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s += "macosx";
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s += ".a";
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CmdArgs.push_back(Args.MakeArgString(s));
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}
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void DarwinClang::AddLinkRuntimeLib(const ArgList &Args,
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ArgStringList &CmdArgs,
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const char *DarwinStaticLib) const {
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llvm::sys::Path P(getDriver().ResourceDir);
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P.appendComponent("lib");
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P.appendComponent("darwin");
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P.appendComponent(DarwinStaticLib);
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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.
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bool Exists;
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if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
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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 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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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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// 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 (isTargetIPhoneOS()) {
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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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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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// 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.
|
|
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 thought we would only need a static runtime library when
|
|
// targeting 10.4, to provide versions of the static functions which were
|
|
// omitted from 10.4.dylib.
|
|
//
|
|
// Unfortunately, that turned out to not be true, because Darwin system
|
|
// headers can still use eprintf on i386, and it is not exported from
|
|
// libSystem. Therefore, we still must provide a runtime library just for
|
|
// the tiny tiny handful of projects that *might* use that symbol.
|
|
if (isMacosxVersionLT(10, 5)) {
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.10.4.a");
|
|
} else {
|
|
if (getTriple().getArch() == llvm::Triple::x86)
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.eprintf.a");
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.osx.a");
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline StringRef SimulatorVersionDefineName() {
|
|
return "__IPHONE_OS_VERSION_MIN_REQUIRED";
|
|
}
|
|
|
|
/// \brief Parse the simulator version define:
|
|
/// __IPHONE_OS_VERSION_MIN_REQUIRED=([0-9])([0-9][0-9])([0-9][0-9])
|
|
// and return the grouped values as integers, e.g:
|
|
// __IPHONE_OS_VERSION_MIN_REQUIRED=40201
|
|
// will return Major=4, Minor=2, Micro=1.
|
|
static bool GetVersionFromSimulatorDefine(StringRef define,
|
|
unsigned &Major, unsigned &Minor,
|
|
unsigned &Micro) {
|
|
assert(define.startswith(SimulatorVersionDefineName()));
|
|
StringRef name, version;
|
|
llvm::tie(name, version) = define.split('=');
|
|
if (version.empty())
|
|
return false;
|
|
std::string verstr = version.str();
|
|
char *end;
|
|
unsigned num = (unsigned) strtol(verstr.c_str(), &end, 10);
|
|
if (*end != '\0')
|
|
return false;
|
|
Major = num / 10000;
|
|
num = num % 10000;
|
|
Minor = num / 100;
|
|
Micro = num % 100;
|
|
return true;
|
|
}
|
|
|
|
void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
|
|
Arg *iOSVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ);
|
|
Arg *iOSSimVersion = Args.getLastArg(
|
|
options::OPT_mios_simulator_version_min_EQ);
|
|
|
|
// FIXME: HACK! When compiling for the simulator we don't get a
|
|
// '-miphoneos-version-min' to help us know whether there is an ARC runtime
|
|
// or not; try to parse a __IPHONE_OS_VERSION_MIN_REQUIRED
|
|
// define passed in command-line.
|
|
if (!iOSVersion && !iOSSimVersion) {
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_D),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
StringRef define = (*it)->getValue(Args);
|
|
if (define.startswith(SimulatorVersionDefineName())) {
|
|
unsigned Major = 0, Minor = 0, Micro = 0;
|
|
if (GetVersionFromSimulatorDefine(define, Major, Minor, Micro) &&
|
|
Major < 10 && Minor < 100 && Micro < 100) {
|
|
ARCRuntimeForSimulator = Major < 5 ? ARCSimulator_NoARCRuntime
|
|
: ARCSimulator_HasARCRuntime;
|
|
LibCXXForSimulator = Major < 5 ? LibCXXSimulator_NotAvailable
|
|
: LibCXXSimulator_Available;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (OSXVersion && (iOSVersion || iOSSimVersion)) {
|
|
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< OSXVersion->getAsString(Args)
|
|
<< (iOSVersion ? iOSVersion : iOSSimVersion)->getAsString(Args);
|
|
iOSVersion = iOSSimVersion = 0;
|
|
} else if (iOSVersion && iOSSimVersion) {
|
|
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< iOSVersion->getAsString(Args)
|
|
<< iOSSimVersion->getAsString(Args);
|
|
iOSSimVersion = 0;
|
|
} else if (!OSXVersion && !iOSVersion && !iOSSimVersion) {
|
|
// If no deployment target was specified on the command line, check for
|
|
// environment defines.
|
|
StringRef OSXTarget;
|
|
StringRef iOSTarget;
|
|
StringRef iOSSimTarget;
|
|
if (char *env = ::getenv("MACOSX_DEPLOYMENT_TARGET"))
|
|
OSXTarget = env;
|
|
if (char *env = ::getenv("IPHONEOS_DEPLOYMENT_TARGET"))
|
|
iOSTarget = env;
|
|
if (char *env = ::getenv("IOS_SIMULATOR_DEPLOYMENT_TARGET"))
|
|
iOSSimTarget = 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(Args);
|
|
llvm::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.
|
|
if (OSXTarget.empty() && iOSTarget.empty())
|
|
if (getDarwinArchName(Args) == "armv7")
|
|
iOSTarget = "0.0";
|
|
|
|
// Handle conflicting deployment targets
|
|
//
|
|
// FIXME: Don't hardcode default here.
|
|
|
|
// Do not allow conflicts with the iOS simulator target.
|
|
if (!iOSSimTarget.empty() && (!OSXTarget.empty() || !iOSTarget.empty())) {
|
|
getDriver().Diag(diag::err_drv_conflicting_deployment_targets)
|
|
<< "IOS_SIMULATOR_DEPLOYMENT_TARGET"
|
|
<< (!OSXTarget.empty() ? "MACOSX_DEPLOYMENT_TARGET" :
|
|
"IPHONEOS_DEPLOYMENT_TARGET");
|
|
}
|
|
|
|
// 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::thumb)
|
|
OSXTarget = "";
|
|
else
|
|
iOSTarget = "";
|
|
}
|
|
|
|
if (!OSXTarget.empty()) {
|
|
const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
|
|
OSXVersion = Args.MakeJoinedArg(0, O, OSXTarget);
|
|
Args.append(OSXVersion);
|
|
} else if (!iOSTarget.empty()) {
|
|
const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
|
|
iOSVersion = Args.MakeJoinedArg(0, O, iOSTarget);
|
|
Args.append(iOSVersion);
|
|
} else if (!iOSSimTarget.empty()) {
|
|
const Option *O = Opts.getOption(
|
|
options::OPT_mios_simulator_version_min_EQ);
|
|
iOSSimVersion = Args.MakeJoinedArg(0, O, iOSSimTarget);
|
|
Args.append(iOSSimVersion);
|
|
} 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);
|
|
}
|
|
}
|
|
|
|
// Reject invalid architecture combinations.
|
|
if (iOSSimVersion && (getTriple().getArch() != llvm::Triple::x86 &&
|
|
getTriple().getArch() != llvm::Triple::x86_64)) {
|
|
getDriver().Diag(diag::err_drv_invalid_arch_for_deployment_target)
|
|
<< getTriple().getArchName() << iOSSimVersion->getAsString(Args);
|
|
}
|
|
|
|
// Set the tool chain target information.
|
|
unsigned Major, Minor, Micro;
|
|
bool HadExtra;
|
|
if (OSXVersion) {
|
|
assert((!iOSVersion && !iOSSimVersion) && "Unknown target platform!");
|
|
if (!Driver::GetReleaseVersion(OSXVersion->getValue(Args), Major, Minor,
|
|
Micro, HadExtra) || HadExtra ||
|
|
Major != 10 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< OSXVersion->getAsString(Args);
|
|
} else {
|
|
const Arg *Version = iOSVersion ? iOSVersion : iOSSimVersion;
|
|
assert(Version && "Unknown target platform!");
|
|
if (!Driver::GetReleaseVersion(Version->getValue(Args), Major, Minor,
|
|
Micro, HadExtra) || HadExtra ||
|
|
Major >= 10 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< Version->getAsString(Args);
|
|
}
|
|
|
|
bool IsIOSSim = bool(iOSSimVersion);
|
|
|
|
// In GCC, the simulator historically was treated as being OS X in some
|
|
// contexts, like determining the link logic, despite generally being called
|
|
// with an iOS deployment target. For compatibility, we detect the
|
|
// simulator as iOS + x86, and treat it differently in a few contexts.
|
|
if (iOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64))
|
|
IsIOSSim = true;
|
|
|
|
setTarget(/*IsIPhoneOS=*/ !OSXVersion, Major, Minor, Micro, IsIOSSim);
|
|
}
|
|
|
|
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.
|
|
bool Exists;
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
llvm::sys::Path P(A->getValue(Args));
|
|
P.appendComponent("usr");
|
|
P.appendComponent("lib");
|
|
P.appendComponent("libstdc++.dylib");
|
|
|
|
if (llvm::sys::fs::exists(P.str(), Exists) || !Exists) {
|
|
P.eraseComponent();
|
|
P.appendComponent("libstdc++.6.dylib");
|
|
if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) {
|
|
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", Exists) || !Exists)&&
|
|
(!llvm::sys::fs::exists("/usr/lib/libstdc++.6.dylib", Exists) && Exists)){
|
|
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).
|
|
|
|
llvm::sys::Path P(getDriver().ResourceDir);
|
|
P.appendComponent("lib");
|
|
P.appendComponent("darwin");
|
|
P.appendComponent("libclang_rt.cc_kext.a");
|
|
|
|
// For now, allow missing resource libraries to support developers who may
|
|
// not have compiler-rt checked out or integrated into their build.
|
|
bool Exists;
|
|
if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
|
|
CmdArgs.push_back(Args.MakeArgString(P.str()));
|
|
}
|
|
|
|
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__)) {
|
|
// Skip this argument unless the architecture matches either the toolchain
|
|
// triple arch, or the arch being bound.
|
|
//
|
|
// FIXME: Canonicalize name.
|
|
StringRef XarchArch = A->getValue(Args, 0);
|
|
if (!(XarchArch == getArchName() ||
|
|
(BoundArch && XarchArch == BoundArch)))
|
|
continue;
|
|
|
|
Arg *OriginalArg = A;
|
|
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) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_with_args)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
} else if (XarchArg->getOption().isDriverOption()) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_isdriver)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
}
|
|
|
|
XarchArg->setBaseArg(A);
|
|
A = XarchArg;
|
|
|
|
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().isLinkerInput()) {
|
|
// 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(Args, 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(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_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) {
|
|
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);
|
|
|
|
// Validate the C++ standard library choice.
|
|
CXXStdlibType Type = GetCXXStdlibType(*DAL);
|
|
if (Type == ToolChain::CST_Libcxx) {
|
|
switch (LibCXXForSimulator) {
|
|
case LibCXXSimulator_None:
|
|
// Handle non-simulator cases.
|
|
if (isTargetIPhoneOS()) {
|
|
if (isIPhoneOSVersionLT(5, 0)) {
|
|
getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment)
|
|
<< "iOS 5.0";
|
|
}
|
|
}
|
|
break;
|
|
case LibCXXSimulator_NotAvailable:
|
|
getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment)
|
|
<< "iOS 5.0";
|
|
break;
|
|
case LibCXXSimulator_Available:
|
|
break;
|
|
}
|
|
}
|
|
|
|
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::SupportsProfiling() const {
|
|
// Profiling instrumentation is only supported on x86.
|
|
return getArchName() == "i386" || getArchName() == "x86_64";
|
|
}
|
|
|
|
bool Darwin::SupportsObjCGC() const {
|
|
// Garbage collection is supported everywhere except on iPhone OS.
|
|
return !isTargetIPhoneOS();
|
|
}
|
|
|
|
std::string
|
|
Darwin_Generic_GCC::ComputeEffectiveClangTriple(const ArgList &Args,
|
|
types::ID InputType) const {
|
|
return ComputeLLVMTriple(Args, InputType);
|
|
}
|
|
|
|
/// 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;
|
|
if (Second.first.getAsInteger(10, GoodVersion.Minor) ||
|
|
GoodVersion.Minor < 0)
|
|
return BadVersion;
|
|
|
|
// 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 (unsigned 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).str();
|
|
}
|
|
}
|
|
|
|
return GoodVersion;
|
|
}
|
|
|
|
/// \brief Less-than for GCCVersion, implementing a Strict Weak Ordering.
|
|
bool Generic_GCC::GCCVersion::operator<(const GCCVersion &RHS) const {
|
|
if (Major < RHS.Major) return true; if (Major > RHS.Major) return false;
|
|
if (Minor < RHS.Minor) return true; if (Minor > RHS.Minor) return false;
|
|
|
|
// Note that we rank versions with *no* patch specified is better than ones
|
|
// hard-coding a patch version. Thus if the RHS has no patch, it always
|
|
// wins, and the LHS only wins if it has no patch and the RHS does have
|
|
// a patch.
|
|
if (RHS.Patch == -1) return true; if (Patch == -1) return false;
|
|
if (Patch < RHS.Patch) return true; if (Patch > RHS.Patch) return false;
|
|
|
|
// Finally, between completely tied version numbers, the version with the
|
|
// suffix loses as we prefer full releases.
|
|
if (RHS.PatchSuffix.empty()) return true;
|
|
return false;
|
|
}
|
|
|
|
/// \brief Construct a GCCInstallationDetector from the driver.
|
|
///
|
|
/// This performs all of the autodetection and sets up the various paths.
|
|
/// Once constructed, a GCCInstallation is esentially immutable.
|
|
Generic_GCC::GCCInstallationDetector::GCCInstallationDetector(const Driver &D)
|
|
: IsValid(false),
|
|
GccTriple(D.DefaultHostTriple) {
|
|
// FIXME: Using CXX_INCLUDE_ROOT is here is a bit of a hack, but
|
|
// avoids adding yet another option to configure/cmake.
|
|
// It would probably be cleaner to break it in two variables
|
|
// CXX_GCC_ROOT with just /foo/bar
|
|
// CXX_GCC_VER with 4.5.2
|
|
// Then we would have
|
|
// CXX_INCLUDE_ROOT = CXX_GCC_ROOT/include/c++/CXX_GCC_VER
|
|
// and this function would return
|
|
// CXX_GCC_ROOT/lib/gcc/CXX_INCLUDE_ARCH/CXX_GCC_VER
|
|
llvm::SmallString<128> CxxIncludeRoot(CXX_INCLUDE_ROOT);
|
|
if (CxxIncludeRoot != "") {
|
|
// This is of the form /foo/bar/include/c++/4.5.2/
|
|
if (CxxIncludeRoot.back() == '/')
|
|
llvm::sys::path::remove_filename(CxxIncludeRoot); // remove the /
|
|
StringRef Version = llvm::sys::path::filename(CxxIncludeRoot);
|
|
llvm::sys::path::remove_filename(CxxIncludeRoot); // remove the version
|
|
llvm::sys::path::remove_filename(CxxIncludeRoot); // remove the c++
|
|
llvm::sys::path::remove_filename(CxxIncludeRoot); // remove the include
|
|
GccInstallPath = CxxIncludeRoot.str();
|
|
GccInstallPath.append("/lib/gcc/");
|
|
GccInstallPath.append(CXX_INCLUDE_ARCH);
|
|
GccInstallPath.append("/");
|
|
GccInstallPath.append(Version);
|
|
GccParentLibPath = GccInstallPath + "/../../..";
|
|
IsValid = true;
|
|
return;
|
|
}
|
|
|
|
llvm::Triple::ArchType HostArch = llvm::Triple(GccTriple).getArch();
|
|
// The library directories which may contain GCC installations.
|
|
SmallVector<StringRef, 4> CandidateLibDirs;
|
|
// The compatible GCC triples for this particular architecture.
|
|
SmallVector<StringRef, 10> CandidateTriples;
|
|
CollectLibDirsAndTriples(HostArch, CandidateLibDirs, CandidateTriples);
|
|
|
|
// Always include the default host triple as the final fallback if no
|
|
// specific triple is detected.
|
|
CandidateTriples.push_back(D.DefaultHostTriple);
|
|
|
|
// Compute the set of prefixes for our search.
|
|
SmallVector<std::string, 8> Prefixes(D.PrefixDirs.begin(),
|
|
D.PrefixDirs.end());
|
|
Prefixes.push_back(D.SysRoot);
|
|
Prefixes.push_back(D.SysRoot + "/usr");
|
|
Prefixes.push_back(D.InstalledDir + "/..");
|
|
|
|
// 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 = CandidateTriples.size(); k < ke; ++k)
|
|
ScanLibDirForGCCTriple(HostArch, LibDir, CandidateTriples[k]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*static*/ void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples(
|
|
llvm::Triple::ArchType HostArch, SmallVectorImpl<StringRef> &LibDirs,
|
|
SmallVectorImpl<StringRef> &Triples) {
|
|
if (HostArch == llvm::Triple::arm || HostArch == llvm::Triple::thumb) {
|
|
static const char *const ARMLibDirs[] = { "/lib" };
|
|
static const char *const ARMTriples[] = { "arm-linux-gnueabi" };
|
|
LibDirs.append(ARMLibDirs, ARMLibDirs + llvm::array_lengthof(ARMLibDirs));
|
|
Triples.append(ARMTriples, ARMTriples + llvm::array_lengthof(ARMTriples));
|
|
} else if (HostArch == llvm::Triple::x86_64) {
|
|
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"
|
|
};
|
|
LibDirs.append(X86_64LibDirs,
|
|
X86_64LibDirs + llvm::array_lengthof(X86_64LibDirs));
|
|
Triples.append(X86_64Triples,
|
|
X86_64Triples + llvm::array_lengthof(X86_64Triples));
|
|
} else if (HostArch == llvm::Triple::x86) {
|
|
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",
|
|
"i686-redhat-linux",
|
|
"i586-redhat-linux",
|
|
"i386-redhat-linux",
|
|
"i586-suse-linux",
|
|
"i486-slackware-linux"
|
|
};
|
|
LibDirs.append(X86LibDirs, X86LibDirs + llvm::array_lengthof(X86LibDirs));
|
|
Triples.append(X86Triples, X86Triples + llvm::array_lengthof(X86Triples));
|
|
} else if (HostArch == llvm::Triple::mips) {
|
|
static const char *const MIPSLibDirs[] = { "/lib" };
|
|
static const char *const MIPSTriples[] = { "mips-linux-gnu" };
|
|
LibDirs.append(MIPSLibDirs,
|
|
MIPSLibDirs + llvm::array_lengthof(MIPSLibDirs));
|
|
Triples.append(MIPSTriples,
|
|
MIPSTriples + llvm::array_lengthof(MIPSTriples));
|
|
} else if (HostArch == llvm::Triple::mipsel) {
|
|
static const char *const MIPSELLibDirs[] = { "/lib" };
|
|
static const char *const MIPSELTriples[] = { "mipsel-linux-gnu" };
|
|
LibDirs.append(MIPSELLibDirs,
|
|
MIPSELLibDirs + llvm::array_lengthof(MIPSELLibDirs));
|
|
Triples.append(MIPSELTriples,
|
|
MIPSELTriples + llvm::array_lengthof(MIPSELTriples));
|
|
} else if (HostArch == llvm::Triple::ppc) {
|
|
static const char *const PPCLibDirs[] = { "/lib32", "/lib" };
|
|
static const char *const PPCTriples[] = {
|
|
"powerpc-linux-gnu",
|
|
"powerpc-unknown-linux-gnu"
|
|
};
|
|
LibDirs.append(PPCLibDirs, PPCLibDirs + llvm::array_lengthof(PPCLibDirs));
|
|
Triples.append(PPCTriples, PPCTriples + llvm::array_lengthof(PPCTriples));
|
|
} else if (HostArch == llvm::Triple::ppc64) {
|
|
static const char *const PPC64LibDirs[] = { "/lib64", "/lib" };
|
|
static const char *const PPC64Triples[] = {
|
|
"powerpc64-unknown-linux-gnu"
|
|
};
|
|
LibDirs.append(PPC64LibDirs,
|
|
PPC64LibDirs + llvm::array_lengthof(PPC64LibDirs));
|
|
Triples.append(PPC64Triples,
|
|
PPC64Triples + llvm::array_lengthof(PPC64Triples));
|
|
}
|
|
}
|
|
|
|
void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
|
|
llvm::Triple::ArchType HostArch, const std::string &LibDir,
|
|
StringRef CandidateTriple) {
|
|
// 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 Suffixes[] = {
|
|
"/gcc/" + CandidateTriple.str(),
|
|
"/" + CandidateTriple.str() + "/gcc/" + 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[] = {
|
|
"/../../..",
|
|
"/../../../..",
|
|
"/../../../.."
|
|
};
|
|
// Only look at the final, weird Ubuntu suffix for i386-linux-gnu.
|
|
const unsigned NumSuffixes = (llvm::array_lengthof(Suffixes) -
|
|
(HostArch != llvm::Triple::x86));
|
|
for (unsigned i = 0; i < NumSuffixes; ++i) {
|
|
StringRef Suffix = Suffixes[i];
|
|
llvm::error_code EC;
|
|
for (llvm::sys::fs::directory_iterator LI(LibDir + Suffix, EC), LE;
|
|
!EC && LI != LE; LI = LI.increment(EC)) {
|
|
StringRef VersionText = llvm::sys::path::filename(LI->path());
|
|
GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
|
|
static const GCCVersion MinVersion = { "4.1.1", 4, 1, 1, "" };
|
|
if (CandidateVersion < MinVersion)
|
|
continue;
|
|
if (CandidateVersion <= Version)
|
|
continue;
|
|
if (!llvm::sys::fs::exists(LI->path() + "/crtbegin.o"))
|
|
continue;
|
|
|
|
Version = CandidateVersion;
|
|
GccTriple = CandidateTriple.str();
|
|
// FIXME: We hack together the directory name here instead of
|
|
// using LI to ensure stable path separators across Windows and
|
|
// Linux.
|
|
GccInstallPath = LibDir + Suffixes[i] + "/" + VersionText.str();
|
|
GccParentLibPath = GccInstallPath + InstallSuffixes[i];
|
|
IsValid = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
Generic_GCC::Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
|
|
: ToolChain(Host, Triple), GCCInstallation(getDriver()) {
|
|
getProgramPaths().push_back(getDriver().getInstalledDir());
|
|
if (getDriver().getInstalledDir() != getDriver().Dir)
|
|
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 ActionList &Inputs) 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:
|
|
llvm_unreachable("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;
|
|
case Action::VerifyJobClass:
|
|
T = new tools::darwin::VerifyDebug(*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 ActionList &Inputs) 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:
|
|
llvm_unreachable("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_ELF(Host, Triple) {
|
|
getFilePaths().push_back(getDriver().Dir + "/../lib");
|
|
getFilePaths().push_back("/usr/lib");
|
|
}
|
|
|
|
Tool &OpenBSD::SelectTool(const Compilation &C, const JobAction &JA,
|
|
const ActionList &Inputs) const {
|
|
Action::ActionClass Key;
|
|
if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
|
|
Key = Action::AnalyzeJobClass;
|
|
else
|
|
Key = JA.getKind();
|
|
|
|
bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
|
|
options::OPT_no_integrated_as,
|
|
IsIntegratedAssemblerDefault());
|
|
|
|
Tool *&T = Tools[Key];
|
|
if (!T) {
|
|
switch (Key) {
|
|
case Action::AssembleJobClass: {
|
|
if (UseIntegratedAs)
|
|
T = new tools::ClangAs(*this);
|
|
else
|
|
T = new tools::openbsd::Assemble(*this);
|
|
break;
|
|
}
|
|
case Action::LinkJobClass:
|
|
T = new tools::openbsd::Link(*this); break;
|
|
default:
|
|
T = &Generic_GCC::SelectTool(C, JA, Inputs);
|
|
}
|
|
}
|
|
|
|
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_ELF(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;
|
|
|
|
if (Triple.getArch() == llvm::Triple::ppc &&
|
|
llvm::Triple(getDriver().DefaultHostTriple).getArch() ==
|
|
llvm::Triple::ppc64)
|
|
Lib32 = true;
|
|
|
|
if (Lib32) {
|
|
getFilePaths().push_back("/usr/lib32");
|
|
} else {
|
|
getFilePaths().push_back("/usr/lib");
|
|
}
|
|
}
|
|
|
|
Tool &FreeBSD::SelectTool(const Compilation &C, const JobAction &JA,
|
|
const ActionList &Inputs) const {
|
|
Action::ActionClass Key;
|
|
if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
|
|
Key = Action::AnalyzeJobClass;
|
|
else
|
|
Key = JA.getKind();
|
|
|
|
bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
|
|
options::OPT_no_integrated_as,
|
|
IsIntegratedAssemblerDefault());
|
|
|
|
Tool *&T = Tools[Key];
|
|
if (!T) {
|
|
switch (Key) {
|
|
case Action::AssembleJobClass:
|
|
if (UseIntegratedAs)
|
|
T = new tools::ClangAs(*this);
|
|
else
|
|
T = new tools::freebsd::Assemble(*this);
|
|
break;
|
|
case Action::LinkJobClass:
|
|
T = new tools::freebsd::Link(*this); break;
|
|
default:
|
|
T = &Generic_GCC::SelectTool(C, JA, Inputs);
|
|
}
|
|
}
|
|
|
|
return *T;
|
|
}
|
|
|
|
/// NetBSD - NetBSD tool chain which can call as(1) and ld(1) directly.
|
|
|
|
NetBSD::NetBSD(const HostInfo &Host, const llvm::Triple& Triple,
|
|
const llvm::Triple& ToolTriple)
|
|
: Generic_ELF(Host, Triple), ToolTriple(ToolTriple) {
|
|
|
|
// Determine if we are compiling 32-bit code on an x86_64 platform.
|
|
bool Lib32 = false;
|
|
if (ToolTriple.getArch() == llvm::Triple::x86_64 &&
|
|
Triple.getArch() == llvm::Triple::x86)
|
|
Lib32 = true;
|
|
|
|
if (getDriver().UseStdLib) {
|
|
if (Lib32)
|
|
getFilePaths().push_back("=/usr/lib/i386");
|
|
else
|
|
getFilePaths().push_back("=/usr/lib");
|
|
}
|
|
}
|
|
|
|
Tool &NetBSD::SelectTool(const Compilation &C, const JobAction &JA,
|
|
const ActionList &Inputs) const {
|
|
Action::ActionClass Key;
|
|
if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
|
|
Key = Action::AnalyzeJobClass;
|
|
else
|
|
Key = JA.getKind();
|
|
|
|
bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
|
|
options::OPT_no_integrated_as,
|
|
IsIntegratedAssemblerDefault());
|
|
|
|
Tool *&T = Tools[Key];
|
|
if (!T) {
|
|
switch (Key) {
|
|
case Action::AssembleJobClass:
|
|
if (UseIntegratedAs)
|
|
T = new tools::ClangAs(*this);
|
|
else
|
|
T = new tools::netbsd::Assemble(*this, ToolTriple);
|
|
break;
|
|
case Action::LinkJobClass:
|
|
T = new tools::netbsd::Link(*this, ToolTriple);
|
|
break;
|
|
default:
|
|
T = &Generic_GCC::SelectTool(C, JA, Inputs);
|
|
}
|
|
}
|
|
|
|
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 ActionList &Inputs) 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, Inputs);
|
|
}
|
|
}
|
|
|
|
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)
|
|
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 ActionList &Inputs) 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, Inputs);
|
|
}
|
|
}
|
|
|
|
return *T;
|
|
}
|
|
|
|
|
|
/// Linux toolchain (very bare-bones at the moment).
|
|
|
|
enum LinuxDistro {
|
|
ArchLinux,
|
|
DebianLenny,
|
|
DebianSqueeze,
|
|
DebianWheezy,
|
|
Exherbo,
|
|
RHEL4,
|
|
RHEL5,
|
|
RHEL6,
|
|
Fedora13,
|
|
Fedora14,
|
|
Fedora15,
|
|
FedoraRawhide,
|
|
OpenSuse11_3,
|
|
OpenSuse11_4,
|
|
OpenSuse12_1,
|
|
UbuntuHardy,
|
|
UbuntuIntrepid,
|
|
UbuntuJaunty,
|
|
UbuntuKarmic,
|
|
UbuntuLucid,
|
|
UbuntuMaverick,
|
|
UbuntuNatty,
|
|
UbuntuOneiric,
|
|
UnknownDistro
|
|
};
|
|
|
|
static bool IsRedhat(enum LinuxDistro Distro) {
|
|
return Distro == Fedora13 || Distro == Fedora14 ||
|
|
Distro == Fedora15 || Distro == FedoraRawhide ||
|
|
Distro == RHEL4 || Distro == RHEL5 || Distro == RHEL6;
|
|
}
|
|
|
|
static bool IsOpenSuse(enum LinuxDistro Distro) {
|
|
return Distro == OpenSuse11_3 || Distro == OpenSuse11_4 ||
|
|
Distro == OpenSuse12_1;
|
|
}
|
|
|
|
static bool IsDebian(enum LinuxDistro Distro) {
|
|
return Distro == DebianLenny || Distro == DebianSqueeze ||
|
|
Distro == DebianWheezy;
|
|
}
|
|
|
|
static bool IsUbuntu(enum LinuxDistro Distro) {
|
|
return Distro == UbuntuHardy || Distro == UbuntuIntrepid ||
|
|
Distro == UbuntuLucid || Distro == UbuntuMaverick ||
|
|
Distro == UbuntuJaunty || Distro == UbuntuKarmic ||
|
|
Distro == UbuntuNatty || Distro == UbuntuOneiric;
|
|
}
|
|
|
|
static LinuxDistro DetectLinuxDistro(llvm::Triple::ArchType Arch) {
|
|
llvm::OwningPtr<llvm::MemoryBuffer> File;
|
|
if (!llvm::MemoryBuffer::getFile("/etc/lsb-release", File)) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
SmallVector<StringRef, 8> Lines;
|
|
Data.split(Lines, "\n");
|
|
for (unsigned int i = 0, s = Lines.size(); i < s; ++ i) {
|
|
if (Lines[i] == "DISTRIB_CODENAME=hardy")
|
|
return UbuntuHardy;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=intrepid")
|
|
return UbuntuIntrepid;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=jaunty")
|
|
return UbuntuJaunty;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=karmic")
|
|
return UbuntuKarmic;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=lucid")
|
|
return UbuntuLucid;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=maverick")
|
|
return UbuntuMaverick;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=natty")
|
|
return UbuntuNatty;
|
|
else if (Lines[i] == "DISTRIB_CODENAME=oneiric")
|
|
return UbuntuOneiric;
|
|
}
|
|
return UnknownDistro;
|
|
}
|
|
|
|
if (!llvm::MemoryBuffer::getFile("/etc/redhat-release", File)) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
if (Data.startswith("Fedora release 15"))
|
|
return Fedora15;
|
|
else if (Data.startswith("Fedora release 14"))
|
|
return Fedora14;
|
|
else if (Data.startswith("Fedora release 13"))
|
|
return Fedora13;
|
|
else if (Data.startswith("Fedora release") &&
|
|
Data.find("Rawhide") != StringRef::npos)
|
|
return FedoraRawhide;
|
|
else if (Data.startswith("Red Hat Enterprise Linux") &&
|
|
Data.find("release 6") != StringRef::npos)
|
|
return RHEL6;
|
|
else if ((Data.startswith("Red Hat Enterprise Linux") ||
|
|
Data.startswith("CentOS")) &&
|
|
Data.find("release 5") != StringRef::npos)
|
|
return RHEL5;
|
|
else if ((Data.startswith("Red Hat Enterprise Linux") ||
|
|
Data.startswith("CentOS")) &&
|
|
Data.find("release 4") != StringRef::npos)
|
|
return RHEL4;
|
|
return UnknownDistro;
|
|
}
|
|
|
|
if (!llvm::MemoryBuffer::getFile("/etc/debian_version", File)) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
if (Data[0] == '5')
|
|
return DebianLenny;
|
|
else if (Data.startswith("squeeze/sid"))
|
|
return DebianSqueeze;
|
|
else if (Data.startswith("wheezy/sid"))
|
|
return DebianWheezy;
|
|
return UnknownDistro;
|
|
}
|
|
|
|
if (!llvm::MemoryBuffer::getFile("/etc/SuSE-release", File)) {
|
|
StringRef Data = File.get()->getBuffer();
|
|
if (Data.startswith("openSUSE 11.3"))
|
|
return OpenSuse11_3;
|
|
else if (Data.startswith("openSUSE 11.4"))
|
|
return OpenSuse11_4;
|
|
else if (Data.startswith("openSUSE 12.1"))
|
|
return OpenSuse12_1;
|
|
return UnknownDistro;
|
|
}
|
|
|
|
bool Exists;
|
|
if (!llvm::sys::fs::exists("/etc/exherbo-release", Exists) && Exists)
|
|
return Exherbo;
|
|
|
|
if (!llvm::sys::fs::exists("/etc/arch-release", Exists) && Exists)
|
|
return ArchLinux;
|
|
|
|
return UnknownDistro;
|
|
}
|
|
|
|
static void addPathIfExists(Twine Path, ToolChain::path_list &Paths) {
|
|
if (llvm::sys::fs::exists(Path)) Paths.push_back(Path.str());
|
|
}
|
|
|
|
/// \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::x86:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/i386-linux-gnu"))
|
|
return "i386-linux-gnu";
|
|
return TargetTriple.str();
|
|
case llvm::Triple::x86_64:
|
|
if (llvm::sys::fs::exists(SysRoot + "/lib/x86_64-linux-gnu"))
|
|
return "x86_64-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();
|
|
}
|
|
}
|
|
|
|
Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
|
|
: Generic_ELF(Host, Triple) {
|
|
llvm::Triple::ArchType Arch =
|
|
llvm::Triple(getDriver().DefaultHostTriple).getArch();
|
|
const std::string &SysRoot = getDriver().SysRoot;
|
|
|
|
// OpenSuse stores the linker with the compiler, add that to the search
|
|
// path.
|
|
ToolChain::path_list &PPaths = getProgramPaths();
|
|
PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
|
|
GCCInstallation.getTriple() + "/bin").str());
|
|
|
|
Linker = GetProgramPath("ld");
|
|
|
|
LinuxDistro Distro = DetectLinuxDistro(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");
|
|
|
|
if (IsRedhat(Distro) || IsOpenSuse(Distro) || Distro == UbuntuMaverick ||
|
|
Distro == UbuntuNatty || Distro == UbuntuOneiric)
|
|
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 ||
|
|
IsOpenSuse(Distro) ||
|
|
(IsRedhat(Distro) && Distro != RHEL4 && Distro != RHEL5) ||
|
|
Distro == UbuntuLucid ||
|
|
Distro == UbuntuMaverick || Distro == UbuntuKarmic ||
|
|
Distro == UbuntuNatty || Distro == UbuntuOneiric)
|
|
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 bool Is32Bits = (getArch() == llvm::Triple::x86 ||
|
|
getArch() == llvm::Triple::mips ||
|
|
getArch() == llvm::Triple::mipsel ||
|
|
getArch() == llvm::Triple::ppc);
|
|
|
|
const std::string Suffix32 = Arch == llvm::Triple::x86_64 ? "/32" : "";
|
|
const std::string Suffix64 = Arch == llvm::Triple::x86_64 ? "" : "/64";
|
|
const std::string Suffix = Is32Bits ? Suffix32 : Suffix64;
|
|
const std::string Multilib = Is32Bits ? "lib32" : "lib64";
|
|
const std::string MultiarchTriple = getMultiarchTriple(Triple, SysRoot);
|
|
|
|
// Add the multilib suffixed paths where they are available.
|
|
if (GCCInstallation.isValid()) {
|
|
const std::string &LibPath = GCCInstallation.getParentLibPath();
|
|
const std::string &GccTriple = GCCInstallation.getTriple();
|
|
addPathIfExists(GCCInstallation.getInstallPath() + Suffix, Paths);
|
|
addPathIfExists(LibPath + "/../" + GccTriple + "/lib/../" + Multilib,
|
|
Paths);
|
|
addPathIfExists(LibPath + "/" + MultiarchTriple, Paths);
|
|
addPathIfExists(LibPath + "/../" + Multilib, Paths);
|
|
}
|
|
addPathIfExists(SysRoot + "/lib/" + MultiarchTriple, Paths);
|
|
addPathIfExists(SysRoot + "/lib/../" + Multilib, Paths);
|
|
addPathIfExists(SysRoot + "/usr/lib/" + MultiarchTriple, Paths);
|
|
addPathIfExists(SysRoot + "/usr/lib/../" + Multilib, Paths);
|
|
|
|
// Try walking via the GCC triple path in case of multiarch GCC
|
|
// installations with strange symlinks.
|
|
if (GCCInstallation.isValid())
|
|
addPathIfExists(SysRoot + "/usr/lib/" + GCCInstallation.getTriple() +
|
|
"/../../" + Multilib, Paths);
|
|
|
|
// Add the non-multilib suffixed paths (if potentially different).
|
|
if (GCCInstallation.isValid()) {
|
|
const std::string &LibPath = GCCInstallation.getParentLibPath();
|
|
const std::string &GccTriple = GCCInstallation.getTriple();
|
|
if (!Suffix.empty())
|
|
addPathIfExists(GCCInstallation.getInstallPath(), Paths);
|
|
addPathIfExists(LibPath + "/../" + GccTriple + "/lib", Paths);
|
|
addPathIfExists(LibPath, Paths);
|
|
}
|
|
addPathIfExists(SysRoot + "/lib", Paths);
|
|
addPathIfExists(SysRoot + "/usr/lib", Paths);
|
|
}
|
|
|
|
bool Linux::HasNativeLLVMSupport() const {
|
|
return true;
|
|
}
|
|
|
|
Tool &Linux::SelectTool(const Compilation &C, const JobAction &JA,
|
|
const ActionList &Inputs) const {
|
|
Action::ActionClass Key;
|
|
if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
|
|
Key = Action::AnalyzeJobClass;
|
|
else
|
|
Key = JA.getKind();
|
|
|
|
bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
|
|
options::OPT_no_integrated_as,
|
|
IsIntegratedAssemblerDefault());
|
|
|
|
Tool *&T = Tools[Key];
|
|
if (!T) {
|
|
switch (Key) {
|
|
case Action::AssembleJobClass:
|
|
if (UseIntegratedAs)
|
|
T = new tools::ClangAs(*this);
|
|
else
|
|
T = new tools::linuxtools::Assemble(*this);
|
|
break;
|
|
case Action::LinkJobClass:
|
|
T = new tools::linuxtools::Link(*this); break;
|
|
default:
|
|
T = &Generic_GCC::SelectTool(C, JA, Inputs);
|
|
}
|
|
}
|
|
|
|
return *T;
|
|
}
|
|
|
|
void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
const Driver &D = getDriver();
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdinc))
|
|
return;
|
|
|
|
if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
|
|
|
|
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
|
|
llvm::sys::Path P(D.ResourceDir);
|
|
P.appendComponent("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 (SmallVectorImpl<StringRef>::iterator I = dirs.begin(), E = dirs.end();
|
|
I != E; ++I) {
|
|
StringRef Prefix = llvm::sys::path::is_absolute(*I) ? D.SysRoot : "";
|
|
addExternCSystemInclude(DriverArgs, CC1Args, Prefix + *I);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Lacking those, try to detect the correct set of system includes for the
|
|
// target triple.
|
|
|
|
// 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 ARMMultiarchIncludeDirs[] = {
|
|
"/usr/include/arm-linux-gnueabi"
|
|
};
|
|
const StringRef MIPSMultiarchIncludeDirs[] = {
|
|
"/usr/include/mips-linux-gnu"
|
|
};
|
|
const StringRef MIPSELMultiarchIncludeDirs[] = {
|
|
"/usr/include/mipsel-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::arm) {
|
|
MultiarchIncludeDirs = ARMMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::mips) {
|
|
MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
|
|
} else if (getTriple().getArch() == llvm::Triple::mipsel) {
|
|
MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
|
|
}
|
|
for (ArrayRef<StringRef>::iterator I = MultiarchIncludeDirs.begin(),
|
|
E = MultiarchIncludeDirs.end();
|
|
I != E; ++I) {
|
|
if (llvm::sys::fs::exists(D.SysRoot + *I)) {
|
|
addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + *I);
|
|
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, D.SysRoot + "/include");
|
|
|
|
addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
|
|
}
|
|
|
|
static bool addLibStdCXXIncludePaths(Twine Base, Twine TargetArchDir,
|
|
const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) {
|
|
if (!llvm::sys::fs::exists(Base))
|
|
return false;
|
|
addSystemInclude(DriverArgs, CC1Args, Base);
|
|
addSystemInclude(DriverArgs, CC1Args, Base + "/" + TargetArchDir);
|
|
addSystemInclude(DriverArgs, CC1Args, Base + "/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) {
|
|
// libc++ is always installed at a fixed path on Linux currently.
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
getDriver().SysRoot + "/usr/include/c++/v1");
|
|
return;
|
|
}
|
|
|
|
const llvm::Triple &TargetTriple = getTriple();
|
|
|
|
StringRef CxxIncludeRoot(CXX_INCLUDE_ROOT);
|
|
if (!CxxIncludeRoot.empty()) {
|
|
StringRef CxxIncludeArch(CXX_INCLUDE_ARCH);
|
|
if (CxxIncludeArch.empty())
|
|
CxxIncludeArch = TargetTriple.str();
|
|
|
|
addLibStdCXXIncludePaths(
|
|
CxxIncludeRoot,
|
|
CxxIncludeArch + (isTarget64Bit() ? CXX_INCLUDE_64BIT_DIR
|
|
: CXX_INCLUDE_32BIT_DIR),
|
|
DriverArgs, CC1Args);
|
|
return;
|
|
}
|
|
|
|
// Check if the target architecture specific dirs need a suffix. Note that we
|
|
// only support the suffix-based bi-arch-like header scheme for host/target
|
|
// mismatches of just bit width.
|
|
llvm::Triple::ArchType HostArch =
|
|
llvm::Triple(getDriver().DefaultHostTriple).getArch();
|
|
llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
|
|
StringRef Suffix;
|
|
if ((HostArch == llvm::Triple::x86 && TargetArch == llvm::Triple::x86_64) ||
|
|
(HostArch == llvm::Triple::ppc && TargetArch == llvm::Triple::ppc64))
|
|
Suffix = "/64";
|
|
if ((HostArch == llvm::Triple::x86_64 && TargetArch == llvm::Triple::x86) ||
|
|
(HostArch == llvm::Triple::ppc64 && TargetArch == llvm::Triple::ppc))
|
|
Suffix = "/32";
|
|
|
|
// 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 Version = GCCInstallation.getVersion();
|
|
if (!addLibStdCXXIncludePaths(LibDir + "/../include/c++/" + Version,
|
|
GCCInstallation.getTriple() + Suffix,
|
|
DriverArgs, CC1Args)) {
|
|
// Gentoo is weird and places its headers inside the GCC install, so if the
|
|
// first attempt to find the headers fails, try this pattern.
|
|
addLibStdCXXIncludePaths(InstallDir + "/include/g++-v4",
|
|
GCCInstallation.getTriple() + Suffix,
|
|
DriverArgs, CC1Args);
|
|
}
|
|
}
|
|
|
|
/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
|
|
|
|
DragonFly::DragonFly(const HostInfo &Host, const llvm::Triple& Triple)
|
|
: Generic_ELF(Host, Triple) {
|
|
|
|
// 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");
|
|
getFilePaths().push_back("/usr/lib/gcc41");
|
|
}
|
|
|
|
Tool &DragonFly::SelectTool(const Compilation &C, const JobAction &JA,
|
|
const ActionList &Inputs) 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, Inputs);
|
|
}
|
|
}
|
|
|
|
return *T;
|
|
}
|
|
|
|
Windows::Windows(const HostInfo &Host, const llvm::Triple& Triple)
|
|
: ToolChain(Host, Triple) {
|
|
}
|
|
|
|
Tool &Windows::SelectTool(const Compilation &C, const JobAction &JA,
|
|
const ActionList &Inputs) const {
|
|
Action::ActionClass Key;
|
|
if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
|
|
Key = Action::AnalyzeJobClass;
|
|
else
|
|
Key = JA.getKind();
|
|
|
|
bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
|
|
options::OPT_no_integrated_as,
|
|
IsIntegratedAssemblerDefault());
|
|
|
|
Tool *&T = Tools[Key];
|
|
if (!T) {
|
|
switch (Key) {
|
|
case Action::InputClass:
|
|
case Action::BindArchClass:
|
|
case Action::LipoJobClass:
|
|
case Action::DsymutilJobClass:
|
|
case Action::VerifyJobClass:
|
|
llvm_unreachable("Invalid tool kind.");
|
|
case Action::PreprocessJobClass:
|
|
case Action::PrecompileJobClass:
|
|
case Action::AnalyzeJobClass:
|
|
case Action::CompileJobClass:
|
|
T = new tools::Clang(*this); break;
|
|
case Action::AssembleJobClass:
|
|
if (!UseIntegratedAs && getTriple().getEnvironment() == llvm::Triple::MachO)
|
|
T = new tools::darwin::Assemble(*this);
|
|
else
|
|
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;
|
|
}
|
|
|
|
// FIXME: This probably should goto to some platform utils place.
|
|
#ifdef _MSC_VER
|
|
|
|
/// \brief Read registry string.
|
|
/// This also supports a means to look for high-versioned keys by use
|
|
/// of a $VERSION placeholder in the key path.
|
|
/// $VERSION in the key path is a placeholder for the version number,
|
|
/// causing the highest value path to be searched for and used.
|
|
/// I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION".
|
|
/// There can be additional characters in the component. Only the numberic
|
|
/// characters are compared.
|
|
static bool getSystemRegistryString(const char *keyPath, const char *valueName,
|
|
char *value, size_t maxLength) {
|
|
HKEY hRootKey = NULL;
|
|
HKEY hKey = NULL;
|
|
const char* subKey = NULL;
|
|
DWORD valueType;
|
|
DWORD valueSize = maxLength - 1;
|
|
long lResult;
|
|
bool returnValue = false;
|
|
|
|
if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) {
|
|
hRootKey = HKEY_CLASSES_ROOT;
|
|
subKey = keyPath + 18;
|
|
} else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) {
|
|
hRootKey = HKEY_USERS;
|
|
subKey = keyPath + 11;
|
|
} else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) {
|
|
hRootKey = HKEY_LOCAL_MACHINE;
|
|
subKey = keyPath + 19;
|
|
} else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) {
|
|
hRootKey = HKEY_CURRENT_USER;
|
|
subKey = keyPath + 18;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
const char *placeHolder = strstr(subKey, "$VERSION");
|
|
char bestName[256];
|
|
bestName[0] = '\0';
|
|
// If we have a $VERSION placeholder, do the highest-version search.
|
|
if (placeHolder) {
|
|
const char *keyEnd = placeHolder - 1;
|
|
const char *nextKey = placeHolder;
|
|
// Find end of previous key.
|
|
while ((keyEnd > subKey) && (*keyEnd != '\\'))
|
|
keyEnd--;
|
|
// Find end of key containing $VERSION.
|
|
while (*nextKey && (*nextKey != '\\'))
|
|
nextKey++;
|
|
size_t partialKeyLength = keyEnd - subKey;
|
|
char partialKey[256];
|
|
if (partialKeyLength > sizeof(partialKey))
|
|
partialKeyLength = sizeof(partialKey);
|
|
strncpy(partialKey, subKey, partialKeyLength);
|
|
partialKey[partialKeyLength] = '\0';
|
|
HKEY hTopKey = NULL;
|
|
lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey);
|
|
if (lResult == ERROR_SUCCESS) {
|
|
char keyName[256];
|
|
int bestIndex = -1;
|
|
double bestValue = 0.0;
|
|
DWORD index, size = sizeof(keyName) - 1;
|
|
for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL,
|
|
NULL, NULL, NULL) == ERROR_SUCCESS; index++) {
|
|
const char *sp = keyName;
|
|
while (*sp && !isdigit(*sp))
|
|
sp++;
|
|
if (!*sp)
|
|
continue;
|
|
const char *ep = sp + 1;
|
|
while (*ep && (isdigit(*ep) || (*ep == '.')))
|
|
ep++;
|
|
char numBuf[32];
|
|
strncpy(numBuf, sp, sizeof(numBuf) - 1);
|
|
numBuf[sizeof(numBuf) - 1] = '\0';
|
|
double value = strtod(numBuf, NULL);
|
|
if (value > bestValue) {
|
|
bestIndex = (int)index;
|
|
bestValue = value;
|
|
strcpy(bestName, keyName);
|
|
}
|
|
size = sizeof(keyName) - 1;
|
|
}
|
|
// If we found the highest versioned key, open the key and get the value.
|
|
if (bestIndex != -1) {
|
|
// Append rest of key.
|
|
strncat(bestName, nextKey, sizeof(bestName) - 1);
|
|
bestName[sizeof(bestName) - 1] = '\0';
|
|
// Open the chosen key path remainder.
|
|
lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey);
|
|
if (lResult == ERROR_SUCCESS) {
|
|
lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
|
|
(LPBYTE)value, &valueSize);
|
|
if (lResult == ERROR_SUCCESS)
|
|
returnValue = true;
|
|
RegCloseKey(hKey);
|
|
}
|
|
}
|
|
RegCloseKey(hTopKey);
|
|
}
|
|
} else {
|
|
lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
|
|
if (lResult == ERROR_SUCCESS) {
|
|
lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
|
|
(LPBYTE)value, &valueSize);
|
|
if (lResult == ERROR_SUCCESS)
|
|
returnValue = true;
|
|
RegCloseKey(hKey);
|
|
}
|
|
}
|
|
return returnValue;
|
|
}
|
|
|
|
/// \brief Get Windows SDK installation directory.
|
|
static bool getWindowsSDKDir(std::string &path) {
|
|
char windowsSDKInstallDir[256];
|
|
// Try the Windows registry.
|
|
bool hasSDKDir = getSystemRegistryString(
|
|
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION",
|
|
"InstallationFolder",
|
|
windowsSDKInstallDir,
|
|
sizeof(windowsSDKInstallDir) - 1);
|
|
// If we have both vc80 and vc90, pick version we were compiled with.
|
|
if (hasSDKDir && windowsSDKInstallDir[0]) {
|
|
path = windowsSDKInstallDir;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Get Visual Studio installation directory.
|
|
static bool getVisualStudioDir(std::string &path) {
|
|
// First check the environment variables that vsvars32.bat sets.
|
|
const char* vcinstalldir = getenv("VCINSTALLDIR");
|
|
if (vcinstalldir) {
|
|
char *p = const_cast<char *>(strstr(vcinstalldir, "\\VC"));
|
|
if (p)
|
|
*p = '\0';
|
|
path = vcinstalldir;
|
|
return true;
|
|
}
|
|
|
|
char vsIDEInstallDir[256];
|
|
char vsExpressIDEInstallDir[256];
|
|
// Then try the windows registry.
|
|
bool hasVCDir = getSystemRegistryString(
|
|
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
|
|
"InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1);
|
|
bool hasVCExpressDir = getSystemRegistryString(
|
|
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION",
|
|
"InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1);
|
|
// If we have both vc80 and vc90, pick version we were compiled with.
|
|
if (hasVCDir && vsIDEInstallDir[0]) {
|
|
char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE");
|
|
if (p)
|
|
*p = '\0';
|
|
path = vsIDEInstallDir;
|
|
return true;
|
|
}
|
|
|
|
if (hasVCExpressDir && vsExpressIDEInstallDir[0]) {
|
|
char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE");
|
|
if (p)
|
|
*p = '\0';
|
|
path = vsExpressIDEInstallDir;
|
|
return true;
|
|
}
|
|
|
|
// Try the environment.
|
|
const char *vs100comntools = getenv("VS100COMNTOOLS");
|
|
const char *vs90comntools = getenv("VS90COMNTOOLS");
|
|
const char *vs80comntools = getenv("VS80COMNTOOLS");
|
|
const char *vscomntools = NULL;
|
|
|
|
// Try to find the version that we were compiled with
|
|
if(false) {}
|
|
#if (_MSC_VER >= 1600) // VC100
|
|
else if(vs100comntools) {
|
|
vscomntools = vs100comntools;
|
|
}
|
|
#elif (_MSC_VER == 1500) // VC80
|
|
else if(vs90comntools) {
|
|
vscomntools = vs90comntools;
|
|
}
|
|
#elif (_MSC_VER == 1400) // VC80
|
|
else if(vs80comntools) {
|
|
vscomntools = vs80comntools;
|
|
}
|
|
#endif
|
|
// Otherwise find any version we can
|
|
else if (vs100comntools)
|
|
vscomntools = vs100comntools;
|
|
else if (vs90comntools)
|
|
vscomntools = vs90comntools;
|
|
else if (vs80comntools)
|
|
vscomntools = vs80comntools;
|
|
|
|
if (vscomntools && *vscomntools) {
|
|
const char *p = strstr(vscomntools, "\\Common7\\Tools");
|
|
path = p ? std::string(vscomntools, p) : vscomntools;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#endif // _MSC_VER
|
|
|
|
void Windows::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(options::OPT_nostdinc))
|
|
return;
|
|
|
|
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
|
|
llvm::sys::Path P(getDriver().ResourceDir);
|
|
P.appendComponent("include");
|
|
addSystemInclude(DriverArgs, CC1Args, P.str());
|
|
}
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
return;
|
|
|
|
std::string VSDir;
|
|
std::string WindowsSDKDir;
|
|
|
|
#ifdef _MSC_VER
|
|
// When built with access to the proper Windows APIs, try to actually find
|
|
// the correct include paths first.
|
|
if (getVisualStudioDir(VSDir)) {
|
|
addSystemInclude(DriverArgs, CC1Args, VSDir + "\\VC\\include");
|
|
if (getWindowsSDKDir(WindowsSDKDir))
|
|
addSystemInclude(DriverArgs, CC1Args, WindowsSDKDir + "\\include");
|
|
else
|
|
addSystemInclude(DriverArgs, CC1Args,
|
|
VSDir + "\\VC\\PlatformSDK\\Include");
|
|
return;
|
|
}
|
|
#endif // _MSC_VER
|
|
|
|
// As a fallback, select default install paths.
|
|
const StringRef Paths[] = {
|
|
"C:/Program Files/Microsoft Visual Studio 10.0/VC/include",
|
|
"C:/Program Files/Microsoft Visual Studio 9.0/VC/include",
|
|
"C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
|
|
"C:/Program Files/Microsoft Visual Studio 8/VC/include",
|
|
"C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include"
|
|
};
|
|
addSystemIncludes(DriverArgs, CC1Args, Paths);
|
|
}
|
|
|
|
void Windows::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
// FIXME: There should probably be logic here to find libc++ on Windows.
|
|
}
|