XCore target: add an xcore toolchain implementation

llvm-svn: 192437

6 files changed, 196 insertions, 1 deletions

diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 0125e89ffd7..ae62993a2fb 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1952,6 +1952,10 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
         TC = new toolchains::Hexagon_TC(*this, Target, Args);
         break;
       }
+      if (Target.getArch() == llvm::Triple::xcore) {
+        TC = new toolchains::XCore(*this, Target, Args);
+        break;
+      }
       TC = new toolchains::Generic_GCC(*this, Target, Args);
       break;
     }
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 9cc05af21ff..a2e64f2e9a2 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -29,6 +29,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/system_error.h"
+#include "llvm/Support/Program.h"
 
 // FIXME: This needs to be listed last until we fix the broken include guards
 // in these files and the LLVM config.h files.
@@ -2736,3 +2737,77 @@ Tool *DragonFly::buildAssembler() const {
 Tool *DragonFly::buildLinker() const {
   return new tools::dragonfly::Link(*this);
 }
+
+
+/// XCore tool chain
+XCore::XCore(const Driver &D, const llvm::Triple &Triple,
+             const ArgList &Args) : ToolChain(D, Triple, Args) {
+  // ProgramPaths are found via 'PATH' environment variable.
+}
+
+Tool *XCore::buildAssembler() const {
+  return new tools::XCore::Assemble(*this);
+}
+
+Tool *XCore::buildLinker() const {
+  return new tools::XCore::Link(*this);
+}
+
+bool XCore::isPICDefault() const {
+  return false;
+}
+
+bool XCore::isPIEDefault() const {
+  return false;
+}
+
+bool XCore::isPICDefaultForced() const {
+  return false;
+}
+
+bool XCore::SupportsProfiling() const {
+  return false;
+}
+
+bool XCore::hasBlocksRuntime() const {
+  return false;
+}
+
+
+void XCore::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                      ArgStringList &CC1Args) const {
+  if (DriverArgs.hasArg(options::OPT_nostdinc) ||
+      DriverArgs.hasArg(options::OPT_nostdlibinc))
+    return;
+  if (const char *cl_include_dir = getenv("XCC_C_INCLUDE_PATH")) {
+    SmallVector<StringRef, 4> Dirs;
+    const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator,'\0'};
+    StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
+    ArrayRef<StringRef> DirVec(Dirs);
+    addSystemIncludes(DriverArgs, CC1Args, DirVec);
+  }
+}
+
+void XCore::addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
+                                     llvm::opt::ArgStringList &CC1Args) const {
+  CC1Args.push_back("-nostdsysteminc");
+}
+
+void XCore::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+                                         ArgStringList &CC1Args) const {
+  if (DriverArgs.hasArg(options::OPT_nostdinc) ||
+      DriverArgs.hasArg(options::OPT_nostdlibinc))
+    return;
+  if (const char *cl_include_dir = getenv("XCC_CPLUS_INCLUDE_PATH")) {
+    SmallVector<StringRef, 4> Dirs;
+    const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator,'\0'};
+    StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
+    ArrayRef<StringRef> DirVec(Dirs);
+    addSystemIncludes(DriverArgs, CC1Args, DirVec);
+  }
+}
+
+void XCore::AddCXXStdlibLibArgs(const ArgList &Args,
+                                ArgStringList &CmdArgs) const {
+  // We don't output any lib args. This is handled by xcc.
+}
diff --git a/clang/lib/Driver/ToolChains.h b/clang/lib/Driver/ToolChains.h
index d5d2af33f7d..b3b1d2c6f7c 100644
--- a/clang/lib/Driver/ToolChains.h
+++ b/clang/lib/Driver/ToolChains.h
@@ -663,6 +663,30 @@ protected:
   virtual Tool *buildAssembler() const;
 };
 
+
+class LLVM_LIBRARY_VISIBILITY XCore : public ToolChain {
+public:
+  XCore(const Driver &D, const llvm::Triple &Triple,
+          const llvm::opt::ArgList &Args);
+protected:
+  virtual Tool *buildAssembler() const;
+  virtual Tool *buildLinker() const;
+public:
+  virtual bool isPICDefault() const;
+  virtual bool isPIEDefault() const;
+  virtual bool isPICDefaultForced() const;
+  virtual bool SupportsProfiling() const;
+  virtual bool hasBlocksRuntime() const;
+  virtual void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+                            llvm::opt::ArgStringList &CC1Args) const;
+  virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
+                                     llvm::opt::ArgStringList &CC1Args) const;
+  virtual void AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+                               llvm::opt::ArgStringList &CC1Args) const;
+  virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
+                                   llvm::opt::ArgStringList &CmdArgs) const;
+};
+
 } // end namespace toolchains
 } // end namespace driver
 } // end namespace clang
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index e849186d75c..f85ba80301f 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -6781,3 +6781,58 @@ Command *visualstudio::Compile::GetCommand(Compilation &C, const JobAction &JA,
 
   return new Command(JA, *this, Args.MakeArgString(Exec), CmdArgs);
 }
+
+
+/// XCore Tools
+// We pass assemble and link construction to the xcc tool.
+
+void XCore::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+                                       const InputInfo &Output,
+                                       const InputInfoList &Inputs,
+                                       const ArgList &Args,
+                                       const char *LinkingOutput) const {
+  ArgStringList CmdArgs;
+
+  CmdArgs.push_back("-o");
+  CmdArgs.push_back(Output.getFilename());
+
+  CmdArgs.push_back("-c");
+
+  if (Args.hasArg(options::OPT_g_Group)) {
+    CmdArgs.push_back("-g");
+  }
+
+  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+                       options::OPT_Xassembler);
+
+  for (InputInfoList::const_iterator
+       it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+    const InputInfo &II = *it;
+    CmdArgs.push_back(II.getFilename());
+  }
+
+  const char *Exec =
+    Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
+  C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void XCore::Link::ConstructJob(Compilation &C, const JobAction &JA,
+                                   const InputInfo &Output,
+                                   const InputInfoList &Inputs,
+                                   const ArgList &Args,
+                                   const char *LinkingOutput) const {
+  ArgStringList CmdArgs;
+
+  if (Output.isFilename()) {
+    CmdArgs.push_back("-o");
+    CmdArgs.push_back(Output.getFilename());
+  } else {
+    assert(Output.isNothing() && "Invalid output.");
+  }
+
+  AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+
+  const char *Exec =
+    Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
+  C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
diff --git a/clang/lib/Driver/Tools.h b/clang/lib/Driver/Tools.h
index d6fddd9c044..4a0626d1846 100644
--- a/clang/lib/Driver/Tools.h
+++ b/clang/lib/Driver/Tools.h
@@ -627,6 +627,38 @@ namespace visualstudio {
   };
 } // end namespace visualstudio
 
+namespace XCore {
+  // For XCore, we do not need to instantiate tools for PreProcess, PreCompile and Compile.
+  // We simply use "clang -cc1" for those actions.
+  class LLVM_LIBRARY_VISIBILITY Assemble : public Tool {
+  public:
+    Assemble(const ToolChain &TC) : Tool("XCore::Assemble",
+      "XCore-as", TC) {}
+
+    virtual bool hasIntegratedCPP() const { return false; }
+    virtual void ConstructJob(Compilation &C, const JobAction &JA,
+                              const InputInfo &Output,
+                              const InputInfoList &Inputs,
+                              const llvm::opt::ArgList &TCArgs,
+                              const char *LinkingOutput) const;
+  };
+
+  class LLVM_LIBRARY_VISIBILITY Link : public Tool {
+  public:
+    Link(const ToolChain &TC) : Tool("XCore::Link",
+      "XCore-ld", TC) {}
+
+    virtual bool hasIntegratedCPP() const { return false; }
+    virtual bool isLinkJob() const { return true; }
+    virtual void ConstructJob(Compilation &C, const JobAction &JA,
+                              const InputInfo &Output,
+                              const InputInfoList &Inputs,
+                              const llvm::opt::ArgList &TCArgs,
+                              const char *LinkingOutput) const;
+  };
+} // end namespace XCore.
+
+
 } // end namespace toolchains
 } // end namespace driver
 } // end namespace clang
diff --git a/clang/test/Driver/xcore-opts.c b/clang/test/Driver/xcore-opts.c
index 11ee9e2bc0b..c6ed45af36d 100644
--- a/clang/test/Driver/xcore-opts.c
+++ b/clang/test/Driver/xcore-opts.c
@@ -1,7 +1,12 @@
-// RUN: %clang -target xcore %s -### -o %t.o 2>&1 | FileCheck %s
+// RUN: %clang -target xcore %s -g -Wl,L1Arg,L2Arg -Wa,A1Arg,A2Arg -### -o %t.o 2>&1 | FileCheck %s
 
+// CHECK: "-nostdsysteminc"
 // CHECK: "-momit-leaf-frame-pointer"
 // CHECK-NOT: "-mdisable-fp-elim"
 // CHECK: "-fno-signed-char"
 // CHECK: "-fno-common"
+// CHECH: /xcc" "-o"
+// CHECK: "-c" "-g" "A1Arg" "A2Arg"
+// CHECK: /xcc" "-o"
+// CHEXK: "L1Arg" "L2Arg"