sysdeps/unix/sysv/linux/mips/mmap_info.h

   1 /* mips64n32 uses __NR_mmap for mmap64 while still having sizeof (off_t)
   2    smaller than sizeof (off64_t).  So it allows mapping large offsets
   3    using mmap64 than 32-bit archs which uses __NR_mmap2.  */
   4
   5 static inline uint64_t
   6 mmap64_maximum_offset (long int page_shift)
   7 {
   8 #if _MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64
   9   return UINT64_MAX;
  10 #else
  11   return (UINT64_C(1) << (page_shift + (8 * sizeof (off_t)))) - 1;
  12 #endif
  13 }