Remove the old ELF writer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147615 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 227 deletions

diff --git a/lib/CodeGen/ELF.h b/lib/CodeGen/ELF.h
deleted file mode 100644
index 5b634682cc..0000000000
--- a/lib/CodeGen/ELF.h
+++ /dev/null
@@ -1,227 +0,0 @@
-//===-- lib/CodeGen/ELF.h - ELF constants and data structures ---*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This header contains common, non-processor-specific data structures and
-// constants for the ELF file format.
-//
-// The details of the ELF32 bits in this file are largely based on the Tool
-// Interface Standard (TIS) Executable and Linking Format (ELF) Specification
-// Version 1.2, May 1995. The ELF64 is based on HP/Intel definition of the
-// ELF-64 object file format document, Version 1.5 Draft 2 May 27, 1998
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef CODEGEN_ELF_H
-#define CODEGEN_ELF_H
-
-#include "llvm/CodeGen/BinaryObject.h"
-#include "llvm/CodeGen/MachineRelocation.h"
-#include "llvm/Support/ELF.h"
-#include "llvm/Support/DataTypes.h"
-
-namespace llvm {
-  class GlobalValue;
-
-  /// ELFSym - This struct contains information about each symbol that is
-  /// added to logical symbol table for the module.  This is eventually
-  /// turned into a real symbol table in the file.
-  struct ELFSym {
-
-    // ELF symbols are related to llvm ones by being one of the two llvm
-    // types, for the other ones (section, file, func) a null pointer is
-    // assumed by default.
-    union {
-      const GlobalValue *GV;  // If this is a pointer to a GV
-      const char *Ext;        // If this is a pointer to a named symbol
-    } Source;
-
-    // Describes from which source type this ELF symbol comes from,
-    // they can be GlobalValue, ExternalSymbol or neither.
-    enum {
-      isGV,      // The Source.GV field is valid.
-      isExtSym,  // The Source.ExtSym field is valid.
-      isOther    // Not a GlobalValue or External Symbol
-    };
-    unsigned SourceType;
-
-    bool isGlobalValue() const { return SourceType == isGV; }
-    bool isExternalSym() const { return SourceType == isExtSym; }
-
-    // getGlobalValue - If this is a global value which originated the
-    // elf symbol, return a reference to it.
-    const GlobalValue *getGlobalValue() const {
-      assert(SourceType == isGV && "This is not a global value");
-      return Source.GV;
-    }
-
-    // getExternalSym - If this is an external symbol which originated the
-    // elf symbol, return a reference to it.
-    const char *getExternalSymbol() const {
-      assert(SourceType == isExtSym && "This is not an external symbol");
-      return Source.Ext;
-    }
-
-    // getGV - From a global value return a elf symbol to represent it
-    static ELFSym *getGV(const GlobalValue *GV, unsigned Bind,
-                         unsigned Type, unsigned Visibility) {
-      ELFSym *Sym = new ELFSym();
-      Sym->Source.GV = GV;
-      Sym->setBind(Bind);
-      Sym->setType(Type);
-      Sym->setVisibility(Visibility);
-      Sym->SourceType = isGV;
-      return Sym;
-    }
-
-    // getExtSym - Create and return an elf symbol to represent an
-    // external symbol
-    static ELFSym *getExtSym(const char *Ext) {
-      ELFSym *Sym = new ELFSym();
-      Sym->Source.Ext = Ext;
-      Sym->setBind(ELF::STB_GLOBAL);
-      Sym->setType(ELF::STT_NOTYPE);
-      Sym->setVisibility(ELF::STV_DEFAULT);
-      Sym->SourceType = isExtSym;
-      return Sym;
-    }
-
-    // getSectionSym - Returns a elf symbol to represent an elf section
-    static ELFSym *getSectionSym() {
-      ELFSym *Sym = new ELFSym();
-      Sym->setBind(ELF::STB_LOCAL);
-      Sym->setType(ELF::STT_SECTION);
-      Sym->setVisibility(ELF::STV_DEFAULT);
-      Sym->SourceType = isOther;
-      return Sym;
-    }
-
-    // getFileSym - Returns a elf symbol to represent the module identifier
-    static ELFSym *getFileSym() {
-      ELFSym *Sym = new ELFSym();
-      Sym->setBind(ELF::STB_LOCAL);
-      Sym->setType(ELF::STT_FILE);
-      Sym->setVisibility(ELF::STV_DEFAULT);
-      Sym->SectionIdx = 0xfff1;  // ELFSection::SHN_ABS;
-      Sym->SourceType = isOther;
-      return Sym;
-    }
-
-    // getUndefGV - Returns a STT_NOTYPE symbol
-    static ELFSym *getUndefGV(const GlobalValue *GV, unsigned Bind) {
-      ELFSym *Sym = new ELFSym();
-      Sym->Source.GV = GV;
-      Sym->setBind(Bind);
-      Sym->setType(ELF::STT_NOTYPE);
-      Sym->setVisibility(ELF::STV_DEFAULT);
-      Sym->SectionIdx = 0;  //ELFSection::SHN_UNDEF;
-      Sym->SourceType = isGV;
-      return Sym;
-    }
-
-    // ELF specific fields
-    unsigned NameIdx;         // Index in .strtab of name, once emitted.
-    uint64_t Value;
-    unsigned Size;
-    uint8_t Info;
-    uint8_t Other;
-    unsigned short SectionIdx;
-
-    // Symbol index into the Symbol table
-    unsigned SymTabIdx;
-
-    ELFSym() : SourceType(isOther), NameIdx(0), Value(0),
-               Size(0), Info(0), Other(ELF::STV_DEFAULT), SectionIdx(0),
-               SymTabIdx(0) {}
-
-    unsigned getBind() const { return (Info >> 4) & 0xf; }
-    unsigned getType() const { return Info & 0xf; }
-    bool isLocalBind() const { return getBind() == ELF::STB_LOCAL; }
-    bool isFileType() const { return getType() == ELF::STT_FILE; }
-
-    void setBind(unsigned X) {
-      assert(X == (X & 0xF) && "Bind value out of range!");
-      Info = (Info & 0x0F) | (X << 4);
-    }
-
-    void setType(unsigned X) {
-      assert(X == (X & 0xF) && "Type value out of range!");
-      Info = (Info & 0xF0) | X;
-    }
-
-    void setVisibility(unsigned V) {
-      assert(V == (V & 0x3) && "Visibility value out of range!");
-      Other = V;
-    }
-  };
-
-  /// ELFSection - This struct contains information about each section that is
-  /// emitted to the file.  This is eventually turned into the section header
-  /// table at the end of the file.
-  class ELFSection : public BinaryObject {
-    public:
-    // ELF specific fields
-    unsigned NameIdx;   // sh_name - .shstrtab idx of name, once emitted.
-    unsigned Type;      // sh_type - Section contents & semantics 
-    unsigned Flags;     // sh_flags - Section flags.
-    uint64_t Addr;      // sh_addr - The mem addr this section is in.
-    unsigned Offset;    // sh_offset - Offset from the file start
-    unsigned Size;      // sh_size - The section size.
-    unsigned Link;      // sh_link - Section header table index link.
-    unsigned Info;      // sh_info - Auxiliary information.
-    unsigned Align;     // sh_addralign - Alignment of section.
-    unsigned EntSize;   // sh_entsize - Size of entries in the section e
-
-    /// SectionIdx - The number of the section in the Section Table.
-    unsigned short SectionIdx;
-
-    /// Sym - The symbol to represent this section if it has one.
-    ELFSym *Sym;
-
-    /// getSymIndex - Returns the symbol table index of the symbol
-    /// representing this section.
-    unsigned getSymbolTableIndex() const {
-      assert(Sym && "section not present in the symbol table");
-      return Sym->SymTabIdx;
-    }
-
-    ELFSection(const std::string &name, bool isLittleEndian, bool is64Bit)
-      : BinaryObject(name, isLittleEndian, is64Bit), Type(0), Flags(0), Addr(0),
-        Offset(0), Size(0), Link(0), Info(0), Align(0), EntSize(0), Sym(0) {}
-  };
-
-  /// ELFRelocation - This class contains all the information necessary to
-  /// to generate any 32-bit or 64-bit ELF relocation entry.
-  class ELFRelocation {
-    uint64_t r_offset;    // offset in the section of the object this applies to
-    uint32_t r_symidx;    // symbol table index of the symbol to use
-    uint32_t r_type;      // machine specific relocation type
-    int64_t  r_add;       // explicit relocation addend
-    bool     r_rela;      // if true then the addend is part of the entry
-                          // otherwise the addend is at the location specified
-                          // by r_offset
-  public:
-    uint64_t getInfo(bool is64Bit) const {
-      if (is64Bit)
-        return ((uint64_t)r_symidx << 32) + ((uint64_t)r_type & 0xFFFFFFFFL);
-      else
-        return (r_symidx << 8)  + (r_type & 0xFFL);
-    }
-
-    uint64_t getOffset() const { return r_offset; }
-    int64_t getAddend() const { return r_add; }
-
-    ELFRelocation(uint64_t off, uint32_t sym, uint32_t type,
-                  bool rela = true, int64_t addend = 0) :
-      r_offset(off), r_symidx(sym), r_type(type),
-      r_add(addend), r_rela(rela) {}
-  };
-
-} // end namespace llvm
-
-#endif