MC/Mach-O: Lift some MachObjectWriter arguments into the target specific

interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121981 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCMachObjectWriter.h

@@ -11,15 +11,30 @@
 #define LLVM_MC_MCMACHOBJECTWRITER_H
 
 #include "llvm/MC/MCObjectWriter.h"
+#include "llvm/Support/DataTypes.h"
 
 namespace llvm {
 
 class MCMachObjectTargetWriter {
+  const unsigned Is64Bit : 1;
+  const uint32_t CPUType;
+  const uint32_t CPUSubtype;
+
 protected:
-  MCMachObjectTargetWriter();
+  MCMachObjectTargetWriter(bool Is64Bit_, uint32_t CPUType_,
+                           uint32_t CPUSubtype_);
 
 public:
   virtual ~MCMachObjectTargetWriter();
+
+  /// @name Accessors
+  /// @{
+
+  bool is64Bit() const { return Is64Bit; }
+  uint32_t getCPUType() const { return CPUType; }
+  uint32_t getCPUSubtype() const { return CPUSubtype; }
+
+  /// @}
 };
 
 /// \brief Construct a new Mach-O writer instance.
@@ -30,9 +45,7 @@ public:
 /// \param OS - The stream to write to.
 /// \returns The constructed object writer.
 MCObjectWriter *createMachObjectWriter(MCMachObjectTargetWriter *MOTW,
-                                       raw_ostream &OS, bool is64Bit,
-                                       uint32_t CPUType, uint32_t CPUSubtype,
-                                       bool IsLittleEndian);
+                                       raw_ostream &OS, bool IsLittleEndian);
 
 } // End llvm namespace