Subzero: Write float/double constant pools directly to the ELF file.

src/IceELFObjectWriter.h

 //===- subzero/src/IceELFObjectWriter.h - ELF object writer -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // Abstraction for a writer that is responsible for writing an ELF file.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICEELFOBJECTWRITER_H
 #define SUBZERO_SRC_ICEELFOBJECTWRITER_H
 
 #include "IceDefs.h"
 #include "IceELFSection.h"
 #include "IceELFStreamer.h"
+#include "IceTypes.h"
 
 using namespace llvm::ELF;
 
 namespace Ice {
 
 // Higher level ELF object writer.  Manages section information and writes
 // the final ELF object.  The object writer will write to file the code
 // and data as it is being defined (rather than keep a copy).
 // After all definitions are written out, it will finalize the bookkeeping
 // sections and write them out.  Expected usage:
@@ skipping 22 matching lines @@
                          const llvm::StringRef Data);
 
   // Copy initializer data for a global to file and note the offset and
   // size of the global's definition in the symbol table.
   // TODO(jvoung): This needs to know which section. This also needs the
   // relocations to hook them up to the symbol table references. Also
   // TODO is handling BSS (which just needs to note the size).
   void writeDataInitializer(const IceString &VarName,
                             const llvm::StringRef Data);
 
+  template <typename ConstType> void writeConstantPool(Type Ty);
+
   // Do final layout and write out the rest of the object file, then
   // patch up the initial ELF header with the final info.
   void writeNonUserSections();
 
 private:
   GlobalContext &Ctx;
   ELFStreamer &Str;
   bool SectionNumbersAssigned;
 
   // All created sections, separated into different pools.
@@ skipping 44 matching lines @@
 
   // Write the ELF file header with the given information about sections.
   template <bool IsELF64>
   void writeELFHeaderInternal(Elf64_Off SectionHeaderOffset,
                               SizeT SectHeaderStrIndex, SizeT NumSections);
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEELFOBJECTWRITER_H