1 files changed, 76 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.h b/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.h
new file mode 100644
index 0000000..bbff3c2
--- /dev/null
+++ b/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.h
@@ -0,0 +1,76 @@
+//===-- 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 Function;
+class GlobalValue;
+class MachineFunction;
+class MCExpr;
+struct WinEHFuncInfo;
+
+class WinException : public EHStreamer {
+  /// Per-function flag to indicate if personality info should be emitted.
+  bool shouldEmitPersonality = false;
+
+  /// Per-function flag to indicate if the LSDA should be emitted.
+  bool shouldEmitLSDA = false;
+
+  /// Per-function flag to indicate if frame moves info should be emitted.
+  bool shouldEmitMoves = false;
+
+  /// True if this is a 64-bit target and we should use image relative offsets.
+  bool useImageRel32 = false;
+
+  void emitCSpecificHandlerTable();
+
+  /// Emit the EH table data for 32-bit and 64-bit functions using
+  /// the __CxxFrameHandler3 personality.
+  void emitCXXFrameHandler3Table(const MachineFunction *MF);
+
+  /// Emit the EH table data for _except_handler3 and _except_handler4
+  /// personality functions. These are only used on 32-bit and do not use CFI
+  /// tables.
+  void emitExceptHandlerTable(const MachineFunction *MF);
+
+  void extendIP2StateTable(const MachineFunction *MF, const Function *ParentF,
+                           WinEHFuncInfo &FuncInfo);
+
+  const MCExpr *create32bitRef(const MCSymbol *Value);
+  const MCExpr *create32bitRef(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;
+};
+} // namespace llvm
+
+#endif
+