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/* Definitions for TI C6X running ucLinux using ELF

   Copyright (C) 2010, 2011 Free Software Foundation, Inc.

   Contributed by Andrew Jenner <andrew@codesourcery.com>

   Contributed by Bernd Schmidt <bernds@codesourcery.com>

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it

   under the terms of the GNU General Public License as published

   by the Free Software Foundation; either version 3, or (at your

   option) any later version.

   GCC is distributed in the hope that it will be useful, but WITHOUT

   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY

   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public

   License for more details.

   You should have received a copy of the GNU General Public License

   along with GCC; see the file COPYING3.  If not see

   <http://www.gnu.org/licenses/>.  */

#undef TARGET_OS_CPP_BUILTINS

#define TARGET_OS_CPP_BUILTINS()                \

  do                                            \

    {                                           \

      builtin_define ("__uClinux__");           \

      builtin_define_std ("linux");             \

      builtin_define_std ("unix");              \

      builtin_assert ("system=linux");          \

      builtin_assert ("system=unix");           \

      builtin_assert ("system=posix");          \

    }                                           \

  while (false)

#undef  STARTFILE_SPEC

#define STARTFILE_SPEC \

  "%{!shared:crt1%O%s} crti%O%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"

#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"

#undef LINK_SPEC

#define LINK_SPEC ENDIAN_LINK_SPEC \

  "%{shared} %{fpie|fPIE:-pie} \

  %{!shared: %{!static: \

   %{rdynamic:-export-dynamic} \

   %{!dynamic-linker:-dynamic-linker " UCLIBC_DYNAMIC_LINKER "}} \

   %{static}}"

#undef DRIVER_SELF_SPECS

#define DRIVER_SELF_SPECS "%{!mno-dsbt:-mdsbt}"

/* Clear the instruction cache from `beg' to `end'.  This makes an

   inline system call to SYS_cacheflush.  */

#undef CLEAR_INSN_CACHE

#define CLEAR_INSN_CACHE(BEG, END)                                      \

{                                                                       \

  register unsigned long _beg __asm ("A4") = (unsigned long) (BEG);     \

  register unsigned long _end __asm ("B4") = (unsigned long) (END);     \

  register unsigned long _scno __asm ("B0") = 244;                      \

  __asm __volatile ("swe                ; sys_cache_sync"               \

                    : "=a" (_beg)                                       \

                    : "0" (_beg), "b" (_end), "b" (_scno));      \

}