//===- lib/ReaderWriter/PECOFF/LinkerGeneratedSymbolFile.cpp --------------===//
//
//                             The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "Atoms.h"

#include "lld/ReaderWriter/PECOFFLinkingContext.h"
#include "lld/ReaderWriter/Simple.h"

namespace lld {
namespace pecoff {

// A virtual file containing absolute symbol __ImageBase. __ImageBase (or
// ___ImageBase on x86) is a linker-generated symbol whose address is the same
// as the image base address.
class LinkerGeneratedSymbolFile : public SimpleFile {
public:
  LinkerGeneratedSymbolFile(const PECOFFLinkingContext &ctx)
      : SimpleFile("<linker-internal-file>"),
        _imageBaseAtom(*this, ctx.decorateSymbol("__ImageBase"),
                       Atom::scopeGlobal, ctx.getBaseAddress()) {
    addAtom(_imageBaseAtom);
  };

private:
  COFFAbsoluteAtom _imageBaseAtom;
};

} // end namespace pecoff
} // end namespace lld