DebugInfo: Refactor high_pc/low_pc construction into reusable function

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfException.h

diff --git a/lib/CodeGen/AsmPrinter/DwarfException.h b/lib/CodeGen/AsmPrinter/DwarfException.h
index 49a85d81b4e2793aef16bbeab83bea13c5ae48df..a28eaf0c1405529b42100fb5a490290629f5e011 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfException.h
+++ b/lib/CodeGen/AsmPrinter/DwarfException.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
 #define LLVM_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
 
+#include "AsmPrinterHandler.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include <vector>
@@ -29,12 +30,13 @@ class MCAsmInfo;
 class MCExpr;
 class MCSymbol;
 class Function;
+class ARMTargetStreamer;
 class AsmPrinter;
 
 //===----------------------------------------------------------------------===//
 /// DwarfException - Emits Dwarf exception handling directives.
 ///
-class DwarfException {
+class DwarfException : public AsmPrinterHandler {
 protected:
   /// Asm - Target of Dwarf emission.
   AsmPrinter *Asm;
@@ -129,16 +131,21 @@ public:
   DwarfException(AsmPrinter *A);
   virtual ~DwarfException();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  virtual void endModule();
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  virtual void beginFunction(const MachineFunction *MF);
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  virtual void endFunction(const MachineFunction *);
+
+  // We don't need these.
+  virtual void setSymbolSize(const MCSymbol *Sym, uint64_t Size) {}
+  virtual void beginInstruction(const MachineInstr *MI) {}
+  virtual void endInstruction() {}
 };
 
 class DwarfCFIException : public DwarfException {
@@ -163,20 +170,26 @@ public:
   DwarfCFIException(AsmPrinter *A);
   virtual ~DwarfCFIException();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  virtual void endModule();
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  virtual void beginFunction(const MachineFunction *MF);
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  virtual void endFunction(const MachineFunction *);
 };
 
 class ARMException : public DwarfException {
   void EmitTypeInfos(unsigned TTypeEncoding);
+  ARMTargetStreamer &getTargetStreamer();
+
+  /// shouldEmitCFI - Per-function flag to indicate if frame CFI info
+  /// should be emitted.
+  bool shouldEmitCFI;
+
 public:
   //===--------------------------------------------------------------------===//
   // Main entry points.
@@ -184,16 +197,16 @@ public:
   ARMException(AsmPrinter *A);
   virtual ~ARMException();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  virtual void endModule();
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  virtual void beginFunction(const MachineFunction *MF);
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  virtual void endFunction(const MachineFunction *);
 };
 
 class Win64Exception : public DwarfException {
@@ -216,16 +229,16 @@ public:
   Win64Exception(AsmPrinter *A);
   virtual ~Win64Exception();
 
-  /// EndModule - Emit all exception information that should come after the
+  /// endModule - Emit all exception information that should come after the
   /// content.
-  virtual void EndModule();
+  virtual void endModule();
 
-  /// BeginFunction - Gather pre-function exception information.  Assumes being
+  /// beginFunction - Gather pre-function exception information.  Assumes being
   /// emitted immediately after the function entry point.
-  virtual void BeginFunction(const MachineFunction *MF);
+  virtual void beginFunction(const MachineFunction *MF);
 
-  /// EndFunction - Gather and emit post-function exception information.
-  virtual void EndFunction();
+  /// endFunction - Gather and emit post-function exception information.
+  virtual void endFunction(const MachineFunction *);
 };
 
 } // End of namespace llvm