r220547 - Driver: add missed file from previous commit

[Saleem Abdulrasool]

Author: compnerd
Date: Thu Oct 23 22:24:33 2014
New Revision: 220547

URL: http://llvm.org/viewvc/llvm-project?rev=220547&view=rev
Log:
Driver: add missed file from previous commit

Added:
    cfe/trunk/lib/Driver/CrossWindowsToolChain.cpp

Added: cfe/trunk/lib/Driver/CrossWindowsToolChain.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/CrossWindowsToolChain.cpp?rev=220547&view=auto
==============================================================================
--- cfe/trunk/lib/Driver/CrossWindowsToolChain.cpp (added)
+++ cfe/trunk/lib/Driver/CrossWindowsToolChain.cpp Thu Oct 23 22:24:33 2014
@@ -0,0 +1,123 @@
+//===--- CrossWindowsToolChain.cpp - Cross Windows Tool Chain -------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ToolChains.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/Options.h"
+#include "llvm/Option/ArgList.h"
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+
+CrossWindowsToolChain::CrossWindowsToolChain(const Driver &D,
+                                             const llvm::Triple &T,
+                                             const llvm::opt::ArgList &Args)
+    : Generic_GCC(D, T, Args) {
+  if (GetCXXStdlibType(Args) == ToolChain::CST_Libstdcxx) {
+    const std::string &SysRoot = D.SysRoot;
+
+    // libstdc++ resides in /usr/lib, but depends on libgcc which is placed in
+    // /usr/lib/gcc.
+    getFilePaths().push_back(SysRoot + "/usr/lib");
+    getFilePaths().push_back(SysRoot + "/usr/lib/gcc");
+  }
+}
+
+bool CrossWindowsToolChain::IsUnwindTablesDefault() const {
+  // FIXME: all non-x86 targets need unwind tables, however, LLVM currently does
+  // not know how to emit them.
+  return getArch() == llvm::Triple::x86_64;
+}
+
+bool CrossWindowsToolChain::isPICDefault() const {
+  return getArch() == llvm::Triple::x86_64;
+}
+
+bool CrossWindowsToolChain::isPIEDefault() const {
+  return getArch() == llvm::Triple::x86_64;
+}
+
+bool CrossWindowsToolChain::isPICDefaultForced() const {
+  return getArch() == llvm::Triple::x86_64;
+}
+
+void CrossWindowsToolChain::
+AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+                          llvm::opt::ArgStringList &CC1Args) const {
+  const Driver &D = getDriver();
+  const std::string &SysRoot = D.SysRoot;
+
+  if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+    return;
+
+  addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/local/include");
+  if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+    SmallString<128> ResourceDir(D.ResourceDir);
+    llvm::sys::path::append(ResourceDir, "include");
+    addSystemInclude(DriverArgs, CC1Args, ResourceDir.str());
+  }
+  addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include");
+}
+
+void CrossWindowsToolChain::
+AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+                             llvm::opt::ArgStringList &CC1Args) const {
+  const llvm::Triple &Triple = getTriple();
+  const std::string &SysRoot = getDriver().SysRoot;
+
+  if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
+      DriverArgs.hasArg(options::OPT_nostdincxx))
+    return;
+
+  switch (GetCXXStdlibType(DriverArgs)) {
+  case ToolChain::CST_Libcxx:
+    addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include/c++/v1");
+    break;
+
+  case ToolChain::CST_Libstdcxx:
+    addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/incldue/c++");
+    switch (Triple.getArch()) {
+    default: llvm_unreachable("unsupported architecture");
+    case llvm::Triple::x86:
+    case llvm::Triple::x86_64:
+      addSystemInclude(DriverArgs, CC1Args,
+                       SysRoot + "/usr/include/c++/" + Triple.str());
+      break;
+    }
+    addSystemInclude(DriverArgs, CC1Args,
+                     SysRoot + "/usr/include/c++/backwards");
+  }
+}
+
+void CrossWindowsToolChain::
+AddCXXStdlibLibArgs(const llvm::opt::ArgList &DriverArgs,
+                    llvm::opt::ArgStringList &CC1Args) const {
+  switch (GetCXXStdlibType(DriverArgs)) {
+  case ToolChain::CST_Libcxx:
+    CC1Args.push_back("-lc++");
+    break;
+  case ToolChain::CST_Libstdcxx:
+    CC1Args.push_back("-lstdc++");
+    CC1Args.push_back("-lmingw32");
+    CC1Args.push_back("-lmingwex");
+    CC1Args.push_back("-lgcc");
+    CC1Args.push_back("-lmoldname");
+    CC1Args.push_back("-lmingw32");
+    break;
+  }
+}
+
+Tool *CrossWindowsToolChain::buildLinker() const {
+  return new tools::CrossWindows::Link(*this);
+}
+
+Tool *CrossWindowsToolChain::buildAssembler() const {
+  return new tools::CrossWindows::Assemble(*this);
+}
+