Subzero: Add Non-SFI support for x86-32.

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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 44 matching lines @@
   /// Write the initial ELF header. This is just to reserve space in the ELF
   /// file. Reserving space allows the other functions to write text and data
   /// directly to the file and get the right file offsets.
   void writeInitialELFHeader();
 
   /// Copy initializer data for globals to file and note the offset and size of
   /// each global's definition in the symbol table. Use the given target's
   /// RelocationKind for any relocations.
   void writeDataSection(const VariableDeclarationList &Vars,
                         FixupKind RelocationKind,
-                        const IceString &SectionSuffix);
+                        const IceString &SectionSuffix, bool IsPIC);
 
   /// Copy data of a function's text section to file and note the offset of the
   /// symbol's definition in the symbol table. Copy the text fixups for use
   /// after all functions are written. The text buffer and fixups are extracted
   /// from the Assembler object.
   void writeFunctionCode(const IceString &FuncName, bool IsInternal,
                          const Assembler *Asm);
 
   /// Queries the GlobalContext for constant pools of the given type and writes
   /// out read-only data sections for those constants. This also fills the
   /// symbol table with labels for each constant pool entry.
   template <typename ConstType> void writeConstantPool(Type Ty);
 
   /// Write a jump table and register fixups for the target addresses.
-  void writeJumpTable(const JumpTableData &JT, FixupKind RelocationKind);
+  void writeJumpTable(const JumpTableData &JT, FixupKind RelocationKind,
+                      bool IsPIC);
 
   /// Populate the symbol table with a list of external/undefined symbols.
   void setUndefinedSyms(const ConstantList &UndefSyms);
 
   /// Do final layout and write out the rest of the object file. Finally, patch
   /// up the initial ELF header with the final info.
   void writeNonUserSections();
 
   /// Which type of ELF section a global variable initializer belongs to. This
   /// is used as an array index so should start at 0 and be contiguous.
@@ skipping 55 matching lines @@
                                   SectionList &AllSections);
 
   /// Link the relocation sections to the symbol table.
   void assignRelLinkNum(SizeT SymTabNumber, RelSectionList &RelSections);
 
   /// Helper function for writeDataSection. Writes a data section of type
   /// SectionType, given the global variables Vars belonging to that
   /// SectionType.
   void writeDataOfType(SectionType SectionType,
                        const VariableDeclarationList &Vars,
-                       FixupKind RelocationKind,
-                       const IceString &SectionSuffix);
+                       FixupKind RelocationKind, const IceString &SectionSuffix,
+                       bool IsPIC);
 
   /// Write the final relocation sections given the final symbol table. May also
   /// be able to seek around the file and resolve function calls that are for
   /// functions within the same section.
   void writeAllRelocationSections();
   void writeRelocationSections(RelSectionList &RelSections);
 
   /// 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