Subzero: Add basic ELFObjectWriter (text section, symtab, strtab, headers)

src/IceDefs.h

 //===- subzero/src/IceDefs.h - Common Subzero declaraions -------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares various useful types and classes that have
@@ skipping 15 matching lines @@
 #include <set>
 #include <string>
 #include <vector>
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/ilist.h"
 #include "llvm/ADT/ilist_node.h"
 #include "llvm/ADT/SmallBitVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Casting.h"
+#include "llvm/Support/ELF.h"
 #include "llvm/Support/raw_ostream.h"
 
 namespace Ice {
 
 class Cfg;
 class CfgNode;
 class Constant;
 class FunctionDeclaration;
 class GlobalContext;
 class GlobalDeclaration;
@@ skipping 73 matching lines @@
   IceV_RegOrigins = 1 << 7,
   IceV_LinearScan = 1 << 8,
   IceV_Frame = 1 << 9,
   IceV_AddrOpt = 1 << 10,
   IceV_All = ~IceV_None,
   IceV_Most = IceV_All & ~IceV_LinearScan
 };
 typedef uint32_t VerboseMask;
 
 typedef llvm::raw_ostream Ostream;
+typedef llvm::raw_fd_ostream Fdstream;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEDEFS_H