From eb11fae6d08f479c0799db45860a98af528fa6e7 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 28 Jul 2018 10:51:19 +0000
Subject: Vendor import of llvm trunk r338150:
 https://llvm.org/svn/llvm-project/llvm/trunk@338150

---
 lib/CodeGen/AsmPrinter/WinCFGuard.h | 54 +++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 lib/CodeGen/AsmPrinter/WinCFGuard.h

(limited to 'lib/CodeGen/AsmPrinter/WinCFGuard.h')

diff --git a/lib/CodeGen/AsmPrinter/WinCFGuard.h b/lib/CodeGen/AsmPrinter/WinCFGuard.h
new file mode 100644
index 000000000000..124e8f04bfad
--- /dev/null
+++ b/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 {}
+
+  /// Emit the Control Flow Guard function ID table
+  void endModule() override;
+
+  /// Gather pre-function debug information.
+  /// Every beginFunction(MF) call should be followed by an endFunction(MF)
+  /// call.
+  void beginFunction(const MachineFunction *MF) override {}
+
+  /// Gather post-function debug information.
+  /// Please note that some AsmPrinter implementations may not call
+  /// beginFunction at all.
+  void endFunction(const MachineFunction *MF) override {}
+
+  /// Process beginning of an instruction.
+  void beginInstruction(const MachineInstr *MI) override {}
+
+  /// Process end of an instruction.
+  void endInstruction() override {}
+};
+
+} // namespace llvm
+
+#endif
-- 
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