Driver: Move tool chain implementations into ToolChains.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67350 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
new file mode 100644
index 0000000000..8e1c7d5562
--- /dev/null
+++ b/lib/Driver/ToolChains.cpp
@@ -0,0 +1,75 @@
+//===--- ToolChains.cpp - ToolChain Implementations ---------------------*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ToolChains.h"
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+
+/// Generic_GCC - A tool chain using the 'gcc' command to perform
+/// all subcommands; this relies on gcc translating the majority of
+/// command line options.
+
+Generic_GCC::~Generic_GCC() {
+  // Free tool implementations.
+  for (llvm::DenseMap<unsigned, Tool*>::iterator
+         it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+    delete it->second;
+}
+
+Tool &Generic_GCC::SelectTool(const Compilation &C, 
+                              const JobAction &JA) const {
+  Action::ActionClass Key;
+  if (ShouldUseClangCompiler(C, JA))
+    Key = Action::AnalyzeJobClass;
+  else
+    Key = JA.getKind();
+
+  Tool *&T = Tools[Key];
+  if (!T) {
+    switch (Key) {
+    default:
+      assert(0 && "Invalid tool kind.");
+    case Action::PreprocessJobClass:
+      T = new tools::gcc::Preprocess(*this); break;
+    case Action::PrecompileJobClass:
+      T = new tools::gcc::Precompile(*this); break;
+    case Action::AnalyzeJobClass:
+      T = new tools::Clang(*this); break;
+    case Action::CompileJobClass:
+      T = new tools::gcc::Compile(*this); break;
+    case Action::AssembleJobClass:
+      T = new tools::gcc::Assemble(*this); break;
+    case Action::LinkJobClass:
+      T = new tools::gcc::Link(*this); break;
+    }
+  }
+
+  return *T;
+}
+
+bool Generic_GCC::IsMathErrnoDefault() const { 
+  return true; 
+}
+
+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;
+}
+
+