1 files changed, 54 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.h b/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.h
new file mode 100644
index 00000000000..553b4ae261c
--- /dev/null
+++ b/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.h
@@ -0,0 +1,54 @@
+//===-- WinCFGuard.h - Windows Control Flow Guard Handling ----*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains support for writing windows exception info into asm files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WINCFGUARD_H
+#define LLVM_LIB_CODEGEN_ASMPRINTER_WINCFGUARD_H
+
+#include "AsmPrinterHandler.h"
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+
+class LLVM_LIBRARY_VISIBILITY WinCFGuard : public AsmPrinterHandler {
+  /// Target of directive emission.
+  AsmPrinter *Asm;
+
+public:
+  WinCFGuard(AsmPrinter *A);
+  ~WinCFGuard() override;
+
+  void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {}
+
+  /// \brief Emit the Control Flow Guard function ID table
+  void endModule() override;
+
+  /// \brief Gather pre-function debug information.
+  /// Every beginFunction(MF) call should be followed by an endFunction(MF)
+  /// call.
+  void beginFunction(const MachineFunction *MF) override {}
+
+  /// \brief Gather post-function debug information.
+  /// Please note that some AsmPrinter implementations may not call
+  /// beginFunction at all.
+  void endFunction(const MachineFunction *MF) override {}
+
+  /// \brief Process beginning of an instruction.
+  void beginInstruction(const MachineInstr *MI) override {}
+
+  /// \brief Process end of an instruction.
+  void endInstruction() override {}
+};
+
+} // namespace llvm
+
+#endif