1 files changed, 65 insertions, 0 deletions
diff --git a/clang/lib/Driver/ToolChains/AVR.h b/clang/lib/Driver/ToolChains/AVR.h
new file mode 100644
index 000000000000..d244fc4f90e9
--- /dev/null
+++ b/clang/lib/Driver/ToolChains/AVR.h
@@ -0,0 +1,65 @@
+//===--- AVR.h - AVR Tool and ToolChain Implementations ---------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_AVR_H
+#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_AVR_H
+
+#include "Gnu.h"
+#include "InputInfo.h"
+#include "clang/Driver/ToolChain.h"
+#include "clang/Driver/Tool.h"
+
+namespace clang {
+namespace driver {
+namespace toolchains {
+
+class LLVM_LIBRARY_VISIBILITY AVRToolChain : public Generic_ELF {
+public:
+  AVRToolChain(const Driver &D, const llvm::Triple &Triple,
+               const llvm::opt::ArgList &Args);
+
+protected:
+  Tool *buildLinker() const override;
+
+private:
+  /// Whether libgcc, libct, and friends should be linked.
+  ///
+  /// This is not done if the user does not specify a
+  /// microcontroller on the command line.
+  bool LinkStdlib;
+
+  llvm::Optional<std::string> findAVRLibcInstallation() const;
+};
+
+} // end namespace toolchains
+
+namespace tools {
+namespace AVR {
+class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
+public:
+  Linker(const llvm::Triple &Triple, const ToolChain &TC, bool LinkStdlib)
+      : GnuTool("AVR::Linker", "avr-ld", TC), Triple(Triple),
+        LinkStdlib(LinkStdlib) {}
+
+  bool hasIntegratedCPP() const override { return false; }
+  bool isLinkJob() const override { return true; }
+  void ConstructJob(Compilation &C, const JobAction &JA,
+                    const InputInfo &Output, const InputInfoList &Inputs,
+                    const llvm::opt::ArgList &TCArgs,
+                    const char *LinkingOutput) const override;
+
+protected:
+  const llvm::Triple &Triple;
+  bool LinkStdlib;
+};
+} // end namespace AVR
+} // end namespace tools
+} // end namespace driver
+} // end namespace clang
+
+#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_AVR_H