Rename Win64Exception.(cpp|h) to WinException.(cpp|h)

This is in preparation for reusing this for 32-bit x86 EH table
emission.  Also updates the type name for consistency. NFC

llvm-svn: 238521

1 files changed, 61 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/WinException.h b/llvm/lib/CodeGen/AsmPrinter/WinException.h
new file mode 100644
index 00000000000..ee5f122a49d
--- /dev/null
+++ b/llvm/lib/CodeGen/AsmPrinter/WinException.h
@@ -0,0 +1,61 @@
+//===-- WinException.h - Windows Exception 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_WIN64EXCEPTION_H
+#define LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
+
+#include "EHStreamer.h"
+
+namespace llvm {
+class GlobalValue;
+class MachineFunction;
+class MCExpr;
+
+class WinException : public EHStreamer {
+  /// Per-function flag to indicate if personality info should be emitted.
+  bool shouldEmitPersonality;
+
+  /// Per-function flag to indicate if the LSDA should be emitted.
+  bool shouldEmitLSDA;
+
+  /// Per-function flag to indicate if frame moves info should be emitted.
+  bool shouldEmitMoves;
+
+  void emitCSpecificHandlerTable();
+
+  void emitCXXFrameHandler3Table(const MachineFunction *MF);
+
+  const MCExpr *createImageRel32(const MCSymbol *Value);
+  const MCExpr *createImageRel32(const GlobalValue *GV);
+
+public:
+  //===--------------------------------------------------------------------===//
+  // Main entry points.
+  //
+  WinException(AsmPrinter *A);
+  ~WinException() override;
+
+  /// Emit all exception information that should come after the content.
+  void endModule() override;
+
+  /// Gather pre-function exception information.  Assumes being emitted
+  /// immediately after the function entry point.
+  void beginFunction(const MachineFunction *MF) override;
+
+  /// Gather and emit post-function exception information.
+  void endFunction(const MachineFunction *) override;
+};
+}
+
+#endif
+