1 files changed, 156 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/PIC16/PIC16DebugInfo.h b/contrib/llvm/lib/Target/PIC16/PIC16DebugInfo.h
new file mode 100644
index 0000000..031dcf0
--- /dev/null
+++ b/contrib/llvm/lib/Target/PIC16/PIC16DebugInfo.h
@@ -0,0 +1,156 @@
+//===-- PIC16DebugInfo.h - Interfaces for PIC16 Debug Information ============//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source 
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the helper functions for representing debug information.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PIC16DBG_H
+#define PIC16DBG_H
+
+#include "llvm/Analysis/DebugInfo.h"
+#include "llvm/Module.h"
+
+namespace llvm {
+  class MachineFunction;
+  class DebugLoc;
+  class MCStreamer;
+  
+  namespace PIC16Dbg {
+    enum VarType {
+      T_NULL,
+      T_VOID,
+      T_CHAR,
+      T_SHORT,
+      T_INT,
+      T_LONG,
+      T_FLOAT,
+      T_DOUBLE,
+      T_STRUCT,
+      T_UNION,
+      T_ENUM,
+      T_MOE,
+      T_UCHAR,
+      T_USHORT,
+      T_UINT,
+      T_ULONG
+    };
+    enum DerivedType {
+      DT_NONE,
+      DT_PTR,
+      DT_FCN,
+      DT_ARY
+    };
+    enum TypeSize {
+      S_BASIC = 5,
+      S_DERIVED = 3
+    };
+    enum DbgClass {
+      C_NULL,
+      C_AUTO,
+      C_EXT,
+      C_STAT,
+      C_REG,
+      C_EXTDEF,
+      C_LABEL,
+      C_ULABEL,
+      C_MOS,
+      C_ARG,
+      C_STRTAG,
+      C_MOU,
+      C_UNTAG,
+      C_TPDEF,
+      C_USTATIC,
+      C_ENTAG,
+      C_MOE,
+      C_REGPARM,
+      C_FIELD,
+      C_AUTOARG,
+      C_LASTENT,
+      C_BLOCK = 100,
+      C_FCN,
+      C_EOS,
+      C_FILE,
+      C_LINE,
+      C_ALIAS,
+      C_HIDDEN,
+      C_EOF,
+      C_LIST,
+      C_SECTION,
+      C_EFCN = 255
+    };
+    enum SymbolSize {
+      AuxSize =20
+    };
+  }
+
+  class PIC16DbgInfo {
+    MCStreamer &OS;
+    const MCAsmInfo *MAI;
+    std::string CurFile;
+    unsigned CurLine;
+
+    // EmitDebugDirectives is set if debug information is available. Default
+    // value for it is false.
+    bool EmitDebugDirectives;
+
+  public:
+    PIC16DbgInfo(MCStreamer &os, const MCAsmInfo *T) : OS(os), MAI(T) {
+      CurFile = "";
+      CurLine = 0;
+      EmitDebugDirectives = false; 
+    }
+
+    void BeginModule (Module &M);
+    void BeginFunction (const MachineFunction &MF);
+    void ChangeDebugLoc (const MachineFunction &MF, const DebugLoc &DL,
+                         bool IsInBeginFunction = false);
+    void EndFunction (const MachineFunction &MF);
+    void EndModule (Module &M);
+
+
+    private:
+    void SwitchToCU (MDNode *CU);
+    void SwitchToLine (unsigned Line, bool IsInBeginFunction = false);
+
+    void PopulateDebugInfo (DIType Ty, unsigned short &TypeNo, bool &HasAux,
+                           int Aux[], std::string &TypeName);
+    void PopulateBasicTypeInfo (DIType Ty, unsigned short &TypeNo);
+    void PopulateDerivedTypeInfo (DIType Ty, unsigned short &TypeNo, 
+                                  bool &HasAux, int Aux[],
+                                  std::string &TypeName);
+
+    void PopulateCompositeTypeInfo (DIType Ty, unsigned short &TypeNo,
+                                    bool &HasAux, int Aux[],
+                                    std::string &TypeName);
+    void PopulateArrayTypeInfo (DIType Ty, unsigned short &TypeNo,
+                                bool &HasAux, int Aux[],
+                                std::string &TypeName);
+
+    void PopulateStructOrUnionTypeInfo (DIType Ty, unsigned short &TypeNo,
+                                        bool &HasAux, int Aux[],
+                                        std::string &TypeName);
+    void PopulateEnumTypeInfo (DIType Ty, unsigned short &TypeNo);
+
+    unsigned GetTypeDebugNumber(std::string &Type);
+    short getStorageClass(DIGlobalVariable DIGV);
+    void EmitFunctBeginDI(const Function *F);
+    void EmitCompositeTypeDecls(Module &M);
+    void EmitCompositeTypeElements (DICompositeType CTy, std::string Suffix);
+    void EmitFunctEndDI(const Function *F, unsigned Line);
+    void EmitAuxEntry(const std::string VarName, int Aux[], 
+                      int num = PIC16Dbg::AuxSize, std::string TagName = "");
+    inline void EmitSymbol(std::string Name, short Class, 
+                           unsigned short Type = PIC16Dbg::T_NULL, 
+                           unsigned long Value = 0);
+    void EmitVarDebugInfo(Module &M);
+    void EmitEOF();
+  };
+} // end namespace llvm;
+#endif