I'm introducing a new machine model to simultaneously allow simple
[oota-llvm.git] / include / llvm / MC / MCObjectWriter.h
index 60625b4b53603d602cf78471bcba983e4e319c3c..6e44e6ceffa37d59c6e04d90361fa00bbc2dcfdd 100644 (file)
@@ -10,7 +10,6 @@
 #ifndef LLVM_MC_MCOBJECTWRITER_H
 #define LLVM_MC_MCOBJECTWRITER_H
 
-#include "llvm/ADT/Triple.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/DataTypes.h"
 #include <cassert>
@@ -20,9 +19,9 @@ class MCAsmLayout;
 class MCAssembler;
 class MCFixup;
 class MCFragment;
+class MCSymbolData;
 class MCSymbolRefExpr;
 class MCValue;
-class raw_ostream;
 
 /// MCObjectWriter - Defines the object file and target independent interfaces
 /// used by the assembler backend to write native file format object files.
@@ -83,20 +82,19 @@ public:
   ///
   /// Clients are not required to answer precisely and may conservatively return
   /// false, even when a difference is fully resolved.
-  virtual bool
+  bool
   IsSymbolRefDifferenceFullyResolved(const MCAssembler &Asm,
                                      const MCSymbolRefExpr *A,
-                                     const MCSymbolRefExpr *B) const = 0;
+                                     const MCSymbolRefExpr *B,
+                                     bool InSet) const;
+
+  virtual bool
+  IsSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
+                                         const MCSymbolData &DataA,
+                                         const MCFragment &FB,
+                                         bool InSet,
+                                         bool IsPCRel) const;
 
-  /// Check if a fixup is fully resolved.
-  ///
-  /// This routine is used by the assembler to let the file format decide
-  /// if a fixup is not fully resolved. For example, one that crosses
-  /// two sections on ELF.
-  virtual bool IsFixupFullyResolved(const MCAssembler &Asm,
-                                    const MCValue Target,
-                                    bool IsPCRel,
-                                    const MCFragment *DF) const = 0;
 
   /// Write the object file.
   ///
@@ -187,15 +185,10 @@ public:
   /// Utility function to encode a SLEB128 value.
   static void EncodeSLEB128(int64_t Value, raw_ostream &OS);
   /// Utility function to encode a ULEB128 value.
-  static void EncodeULEB128(uint64_t Value, raw_ostream &OS);
+  static void EncodeULEB128(uint64_t Value, raw_ostream &OS,
+                            unsigned Padding = 0);
 };
 
-MCObjectWriter *createELFObjectWriter(raw_ostream &OS, bool is64Bit,
-                                      Triple::OSType OSType, uint16_t EMachine,
-                                      bool IsLittleEndian,
-                                      bool HasRelocationAddend);
-MCObjectWriter *createWinCOFFObjectWriter(raw_ostream &OS, bool is64Bit);
-
 } // End llvm namespace
 
 #endif