X86/MC/Mach-O: Split out createX86MachObjectWriter().

llvm-svn: 122246
diff --git a/llvm/lib/Target/X86/X86.h b/llvm/lib/Target/X86/X86.h
index 27e8850..210d026 100644
--- a/llvm/lib/Target/X86/X86.h
+++ b/llvm/lib/Target/X86/X86.h
@@ -23,11 +23,13 @@
 class JITCodeEmitter;
 class MCCodeEmitter;
 class MCContext;
+class MCObjectWriter;
 class MachineCodeEmitter;
 class Target;
 class TargetAsmBackend;
 class X86TargetMachine;
 class formatted_raw_ostream;
+class raw_ostream;
 
 /// createX86ISelDag - This pass converts a legalized DAG into a 
 /// X86-specific DAG, ready for instruction scheduling.
@@ -74,6 +76,13 @@
 ///
 FunctionPass *createX86MaxStackAlignmentHeuristicPass();
 
+
+/// createX86MachObjectWriter - Construct an X86 Mach-O object writer.
+MCObjectWriter *createX86MachObjectWriter(raw_ostream &OS,
+                                          bool Is64Bit,
+                                          uint32_t CPUType,
+                                          uint32_t CPUSubtype);
+
 extern Target TheX86_32Target, TheX86_64Target;
 
 } // End llvm namespace