flag_tables.hh

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/*
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 * to a hardware implementation of the functionality of the software
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 * terms below provided that you ensure that this notice is replicated
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 * modified or unmodified, in source code or in binary form.
 *
 * Copyright (c) 2003-2005, 2006 The Regents of The University of Michigan
 * Copyright (c) 2007-2008 The Florida State University
 * Copyright (c) 2009 The University of Edinburgh
 * All rights reserved.
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 * modification, are permitted provided that the following conditions are
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#include <fcntl.h>
#include <sys/mman.h>
 
#include <map>
 
/*
 * @file flag_tables.hh
 *
 * This file contains definitions of flag translation tables for the
 * open() system call.  Since the tables are nearly identical
 * across target platforms (other than the values of the target flags),
 * we use a template to build the tables which is inherited by each target
 * platform.
 */
 
namespace gem5
{
 
template <typename Target>
class OpenFlagTable
{
  public:
    // open(2) flags translation table
    static inline const std::map<int, int> openFlagTable = {
#ifdef _MSC_VER
      { Target::TGT_O_RDONLY,     _O_RDONLY },
      { Target::TGT_O_WRONLY,     _O_WRONLY },
      { Target::TGT_O_RDWR,       _O_RDWR },
      { Target::TGT_O_CREAT,      _O_CREAT },
      { Target::TGT_O_EXCL,       _O_EXCL },
      { Target::TGT_O_TRUNC,      _O_TRUNC },
      { Target::TGT_O_APPEND,     _O_APPEND },
#else /* !_MSC_VER */
      { Target::TGT_O_RDONLY,     O_RDONLY },
      { Target::TGT_O_WRONLY,     O_WRONLY },
      { Target::TGT_O_RDWR,       O_RDWR },
      { Target::TGT_O_CREAT,      O_CREAT },
      { Target::TGT_O_EXCL,       O_EXCL },
      { Target::TGT_O_TRUNC,      O_TRUNC },
      { Target::TGT_O_APPEND,     O_APPEND },
      { Target::TGT_O_NOCTTY,     O_NOCTTY },
      { Target::TGT_O_NONBLOCK,   O_NONBLOCK },
#ifdef O_DSYNC
      { Target::TGT_O_DSYNC,      O_DSYNC },
#endif
#ifdef O_ASYNC
      { Target::TGT_FASYNC,       O_ASYNC },
#endif
#ifdef O_DIRECT
      { Target::TGT_O_DIRECT,     O_DIRECT },
#endif
#ifdef O_LARGEFILE
      { Target::TGT_O_LARGEFILE,  O_LARGEFILE },
#endif
#ifdef O_DIRECTORY
      { Target::TGT_O_DIRECTORY,  O_DIRECTORY },
#endif
#ifdef O_NOFOLLOW
      { Target::TGT_O_NOFOLLOW,   O_NOFOLLOW },
#endif
#ifdef O_NOATIME
      { Target::TGT_O_NOATIME,    O_NOATIME },
#endif
#ifdef O_CLOEXEC
      { Target::TGT_O_CLOEXEC,    O_CLOEXEC },
#endif
#ifdef O_SYNC
      { Target::TGT_O_SYNC,       O_SYNC },
#endif
#ifdef O_PATH
      { Target::TGT_O_PATH,       O_PATH },
#endif
#endif /* _MSC_VER */
    };
};
 
} // namespace gem5