476 lines
15 KiB
C++
476 lines
15 KiB
C++
//===--- ToolChains.cpp - ToolChain Implementations ---------------------*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ToolChains.h"
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#include "clang/Driver/Arg.h"
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#include "clang/Driver/ArgList.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/Option.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/System/Path.h"
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#include <cstdlib> // ::getenv
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using namespace clang::driver;
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using namespace clang::driver::toolchains;
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/// Darwin_X86 - Darwin tool chain for i386 and x86_64.
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Darwin_X86::Darwin_X86(const HostInfo &Host, const llvm::Triple& Triple,
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const unsigned (&_DarwinVersion)[3],
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const unsigned (&_GCCVersion)[3])
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: ToolChain(Host, Triple) {
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DarwinVersion[0] = _DarwinVersion[0];
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DarwinVersion[1] = _DarwinVersion[1];
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DarwinVersion[2] = _DarwinVersion[2];
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GCCVersion[0] = _GCCVersion[0];
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GCCVersion[1] = _GCCVersion[1];
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GCCVersion[2] = _GCCVersion[2];
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llvm::raw_string_ostream(MacosxVersionMin)
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<< "10." << DarwinVersion[0] - 4 << '.' << DarwinVersion[1];
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ToolChainDir = "i686-apple-darwin";
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ToolChainDir += llvm::utostr(DarwinVersion[0]);
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ToolChainDir += "/";
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ToolChainDir += llvm::utostr(GCCVersion[0]);
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ToolChainDir += '.';
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ToolChainDir += llvm::utostr(GCCVersion[1]);
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ToolChainDir += '.';
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ToolChainDir += llvm::utostr(GCCVersion[2]);
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std::string Path;
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if (getArchName() == "x86_64") {
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Path = getHost().getDriver().Dir;
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Path += "/../lib/gcc/";
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Path += getToolChainDir();
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Path += "/x86_64";
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getFilePaths().push_back(Path);
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Path = "/usr/lib/gcc/";
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Path += getToolChainDir();
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Path += "/x86_64";
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getFilePaths().push_back(Path);
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}
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Path = getHost().getDriver().Dir;
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Path += "/../lib/gcc/";
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Path += getToolChainDir();
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getFilePaths().push_back(Path);
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Path = "/usr/lib/gcc/";
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Path += getToolChainDir();
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getFilePaths().push_back(Path);
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Path = getHost().getDriver().Dir;
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Path += "/../libexec/gcc/";
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Path += getToolChainDir();
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getProgramPaths().push_back(Path);
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Path = "/usr/libexec/gcc/";
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Path += getToolChainDir();
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getProgramPaths().push_back(Path);
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Path = getHost().getDriver().Dir;
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Path += "/../libexec";
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getProgramPaths().push_back(Path);
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getProgramPaths().push_back(getHost().getDriver().Dir);
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}
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Darwin_X86::~Darwin_X86() {
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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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Tool &Darwin_X86::SelectTool(const Compilation &C,
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const JobAction &JA) const {
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Action::ActionClass Key;
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if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getArchName()))
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Key = Action::AnalyzeJobClass;
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else
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Key = JA.getKind();
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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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assert(0 && "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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T = new tools::darwin::Assemble(*this); break;
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case Action::LinkJobClass:
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T = new tools::darwin::Link(*this, MacosxVersionMin.c_str()); break;
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case Action::LipoJobClass:
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T = new tools::darwin::Lipo(*this); break;
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}
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}
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return *T;
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}
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DerivedArgList *Darwin_X86::TranslateArgs(InputArgList &Args) const {
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DerivedArgList *DAL = new DerivedArgList(Args, false);
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const OptTable &Opts = getHost().getDriver().getOpts();
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// FIXME: We really want to get out of the tool chain level argument
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// translation business, as it makes the driver functionality much
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// more opaque. For now, we follow gcc closely solely for the
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// purpose of easily achieving feature parity & testability. Once we
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// have something that works, we should reevaluate each translation
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// and try to push it down into tool specific logic.
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Arg *OSXVersion =
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Args.getLastArg(options::OPT_mmacosx_version_min_EQ, false);
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Arg *iPhoneVersion =
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Args.getLastArg(options::OPT_miphoneos_version_min_EQ, false);
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if (OSXVersion && iPhoneVersion) {
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getHost().getDriver().Diag(clang::diag::err_drv_argument_not_allowed_with)
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<< OSXVersion->getAsString(Args)
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<< iPhoneVersion->getAsString(Args);
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} else if (!OSXVersion && !iPhoneVersion) {
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// Chose the default version based on the arch.
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//
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// FIXME: This will need to be fixed when we merge in arm support.
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// Look for MACOSX_DEPLOYMENT_TARGET, otherwise use the version
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// from the host.
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const char *Version = ::getenv("MACOSX_DEPLOYMENT_TARGET");
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if (!Version)
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Version = MacosxVersionMin.c_str();
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const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
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DAL->append(DAL->MakeJoinedArg(0, O, Version));
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}
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for (ArgList::iterator it = Args.begin(), ie = Args.end(); it != ie; ++it) {
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Arg *A = *it;
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if (A->getOption().matches(options::OPT_Xarch__)) {
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// FIXME: Canonicalize name.
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if (getArchName() != A->getValue(Args, 0))
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continue;
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// FIXME: The arg is leaked here, and we should have a nicer
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// interface for this.
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unsigned Prev, Index = Prev = A->getIndex() + 1;
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Arg *XarchArg = Opts.ParseOneArg(Args, Index);
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// If the argument parsing failed or more than one argument was
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// consumed, the -Xarch_ argument's parameter tried to consume
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// extra arguments. Emit an error and ignore.
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//
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// We also want to disallow any options which would alter the
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// driver behavior; that isn't going to work in our model. We
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// use isDriverOption() as an approximation, although things
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// like -O4 are going to slip through.
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if (!XarchArg || Index > Prev + 1 ||
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XarchArg->getOption().isDriverOption()) {
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getHost().getDriver().Diag(clang::diag::err_drv_invalid_Xarch_argument)
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<< A->getAsString(Args);
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continue;
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}
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XarchArg->setBaseArg(A);
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A = XarchArg;
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}
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// Sob. These is strictly gcc compatible for the time being. Apple
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// gcc translates options twice, which means that self-expanding
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// options add duplicates.
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options::ID id = A->getOption().getId();
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switch (id) {
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default:
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DAL->append(A);
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break;
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case options::OPT_mkernel:
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case options::OPT_fapple_kext:
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DAL->append(A);
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DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static)));
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DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static)));
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break;
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case options::OPT_dependency_file:
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DAL->append(DAL->MakeSeparateArg(A, Opts.getOption(options::OPT_MF),
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A->getValue(Args)));
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break;
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case options::OPT_gfull:
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DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag)));
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols)));
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break;
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case options::OPT_gused:
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DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag)));
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_feliminate_unused_debug_symbols)));
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break;
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case options::OPT_fterminated_vtables:
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case options::OPT_findirect_virtual_calls:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_fapple_kext)));
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DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static)));
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break;
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case options::OPT_shared:
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DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_dynamiclib)));
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break;
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case options::OPT_fconstant_cfstrings:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_mconstant_cfstrings)));
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break;
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case options::OPT_fno_constant_cfstrings:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_mno_constant_cfstrings)));
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break;
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case options::OPT_Wnonportable_cfstrings:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_mwarn_nonportable_cfstrings)));
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break;
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case options::OPT_Wno_nonportable_cfstrings:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings)));
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break;
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case options::OPT_fpascal_strings:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_mpascal_strings)));
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break;
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case options::OPT_fno_pascal_strings:
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DAL->append(DAL->MakeFlagArg(A,
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Opts.getOption(options::OPT_mno_pascal_strings)));
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break;
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}
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}
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// FIXME: Actually, gcc always adds this, but it is filtered for
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// duplicates somewhere. This also changes the order of things, so
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// look it up.
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if (getArchName() == "x86_64")
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if (!Args.hasArg(options::OPT_m64, false))
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DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64)));
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if (!Args.hasArg(options::OPT_mtune_EQ, false))
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DAL->append(DAL->MakeJoinedArg(0, Opts.getOption(options::OPT_mtune_EQ),
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"core2"));
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return DAL;
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}
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bool Darwin_X86::IsMathErrnoDefault() const {
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return false;
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}
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bool Darwin_X86::IsUnwindTablesDefault() const {
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// FIXME: Gross; we should probably have some separate target
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// definition, possibly even reusing the one in clang.
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return getArchName() == "x86_64";
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}
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const char *Darwin_X86::GetDefaultRelocationModel() const {
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return "pic";
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}
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const char *Darwin_X86::GetForcedPicModel() const {
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if (getArchName() == "x86_64")
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return "pic";
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return 0;
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}
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/// Generic_GCC - A tool chain using the 'gcc' command to perform
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/// all subcommands; this relies on gcc translating the majority of
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/// command line options.
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Generic_GCC::Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
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: ToolChain(Host, Triple)
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{
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std::string Path(getHost().getDriver().Dir);
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Path += "/../libexec";
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getProgramPaths().push_back(Path);
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getProgramPaths().push_back(getHost().getDriver().Dir);
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}
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Generic_GCC::~Generic_GCC() {
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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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Tool &Generic_GCC::SelectTool(const Compilation &C,
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const JobAction &JA) const {
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Action::ActionClass Key;
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if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getArchName()))
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Key = Action::AnalyzeJobClass;
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else
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Key = JA.getKind();
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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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assert(0 && "Invalid tool kind.");
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case Action::PreprocessJobClass:
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T = new tools::gcc::Preprocess(*this); break;
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case Action::PrecompileJobClass:
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T = new tools::gcc::Precompile(*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::CompileJobClass:
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T = new tools::gcc::Compile(*this); break;
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case Action::AssembleJobClass:
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T = new tools::gcc::Assemble(*this); break;
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case Action::LinkJobClass:
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T = new tools::gcc::Link(*this); break;
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// This is a bit ungeneric, but the only platform using a driver
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// driver is Darwin.
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case Action::LipoJobClass:
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T = new tools::darwin::Lipo(*this); break;
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}
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}
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return *T;
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}
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bool Generic_GCC::IsMathErrnoDefault() const {
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return true;
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}
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bool Generic_GCC::IsUnwindTablesDefault() const {
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// FIXME: Gross; we should probably have some separate target
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// definition, possibly even reusing the one in clang.
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return getArchName() == "x86_64";
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}
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const char *Generic_GCC::GetDefaultRelocationModel() const {
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return "static";
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}
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const char *Generic_GCC::GetForcedPicModel() const {
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return 0;
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}
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DerivedArgList *Generic_GCC::TranslateArgs(InputArgList &Args) const {
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return new DerivedArgList(Args, true);
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}
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/// FreeBSD - FreeBSD tool chain which can call as(1) and ld(1) directly.
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FreeBSD::FreeBSD(const HostInfo &Host, const llvm::Triple& Triple, bool Lib32)
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: Generic_GCC(Host, Triple) {
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if (Lib32) {
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getFilePaths().push_back(getHost().getDriver().Dir + "/../lib32");
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getFilePaths().push_back("/usr/lib32");
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} else {
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getFilePaths().push_back(getHost().getDriver().Dir + "/../lib");
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getFilePaths().push_back("/usr/lib");
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}
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}
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Tool &FreeBSD::SelectTool(const Compilation &C, const JobAction &JA) const {
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Action::ActionClass Key;
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if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getArchName()))
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Key = Action::AnalyzeJobClass;
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else
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Key = JA.getKind();
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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::AssembleJobClass:
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T = new tools::freebsd::Assemble(*this); break;
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case Action::LinkJobClass:
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T = new tools::freebsd::Link(*this); break;
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default:
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T = &Generic_GCC::SelectTool(C, JA);
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}
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}
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return *T;
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}
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/// Linux toolchain (very bare-bones at the moment).
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Linux::Linux(const HostInfo &Host, const llvm::Triple& Triple)
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: Generic_GCC(Host, Triple) {
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getFilePaths().push_back(getHost().getDriver().Dir + "/../lib/clang/1.0/");
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getFilePaths().push_back("/lib/");
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getFilePaths().push_back("/usr/lib/");
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// FIXME: Figure out some way to get gcc's libdir
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// (e.g. /usr/lib/gcc/i486-linux-gnu/4.3/ for Ubuntu 32-bit); we need
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// crtbegin.o/crtend.o/etc., and want static versions of various
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// libraries. If we had our own crtbegin.o/crtend.o/etc, we could probably
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// get away with using shared versions in /usr/lib, though.
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// We could fall back to the approach we used for includes (a massive
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// list), but that's messy at best.
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}
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/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
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DragonFly::DragonFly(const HostInfo &Host, const llvm::Triple& Triple)
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: Generic_GCC(Host, Triple) {
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// Path mangling to find libexec
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std::string Path(getHost().getDriver().Dir);
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Path += "/../libexec";
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getProgramPaths().push_back(Path);
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getProgramPaths().push_back(getHost().getDriver().Dir);
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getFilePaths().push_back(getHost().getDriver().Dir + "/../lib");
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getFilePaths().push_back("/usr/lib");
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getFilePaths().push_back("/usr/lib/gcc41");
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}
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Tool &DragonFly::SelectTool(const Compilation &C, const JobAction &JA) const {
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Action::ActionClass Key;
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if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getArchName()))
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Key = Action::AnalyzeJobClass;
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else
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Key = JA.getKind();
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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::AssembleJobClass:
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T = new tools::dragonfly::Assemble(*this); break;
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case Action::LinkJobClass:
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T = new tools::dragonfly::Link(*this); break;
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default:
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T = &Generic_GCC::SelectTool(C, JA);
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}
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}
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return *T;
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}
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