/* Definitions of target machine for GCC,
   for ARM with targetting the VXWorks run time environment. 
   Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.

   Contributed by: Mike Stump <mrs@wrs.com>
   Brought up to date by CodeSourcery, LLC.
   
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 2, 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 COPYING.  If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */


#define TARGET_OS_CPP_BUILTINS()		\
  do {						\
    if (TARGET_BIG_END)				\
      builtin_define ("ARMEB");			\
    else					\
      builtin_define ("ARMEL");			\
						\
    if (arm_arch_xscale)			\
      builtin_define ("CPU=XSCALE");		\
    else if (arm_arch5)				\
      builtin_define ("CPU=ARMARCH5");		\
    else if (arm_arch4)				\
      {						\
	if (thumb_code)				\
	  builtin_define ("CPU=ARMARCH4_T");	\
	else					\
	  builtin_define ("CPU=ARMARCH4");	\
      }						\
    VXWORKS_OS_CPP_BUILTINS ();			\
  } while (0)

#undef OVERRIDE_OPTIONS
#define OVERRIDE_OPTIONS			\
  do						\
    {						\
      VXWORKS_OVERRIDE_OPTIONS;			\
      arm_override_options ();			\
    }						\
  while (0)

/* Subsume the arm/elf.h definition, and add RTP hooks.  */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "-D__ELF__" VXWORKS_ADDITIONAL_CPP_SPEC

#undef  CC1_SPEC
#define CC1_SPEC							\
"%{tstrongarm:-mlittle-endian -mcpu=strongarm ;				\
   t4:        -mlittle-endian -march=armv4 ;				\
   t4be:      -mbig-endian -march=armv4 ;				\
   t4t:       -mthumb -mthumb-interwork -mlittle-endian -march=armv4t ;	\
   t4tbe:     -mthumb -mthumb-interwork -mbig-endian -march=armv4t ;	\
   t5:        -mlittle-endian -march=armv5 ;				\
   t5be:      -mbig-endian -march=armv5 ;				\
   t5t:       -mthumb -mthumb-interwork -mlittle-endian -march=armv5 ;	\
   t5tbe:     -mthumb -mthumb-interwork -mbig-endian -march=armv5 ;	\
   txscale:   -mlittle-endian -mcpu=xscale ;				\
   txscalebe: -mbig-endian -mcpu=xscale ;				\
            : -march=armv4}"

/* Pass -EB for big-endian targets.  */
#define VXWORKS_ENDIAN_SPEC \
  "%{mbig-endian|t4be|t4tbe|t5be|t5tbe|txscalebe:-EB}"

/* The -Q options from svr4.h aren't understood and must be removed.  */
#undef  ASM_SPEC
#define ASM_SPEC \
  "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} " VXWORKS_ENDIAN_SPEC

#undef LINK_SPEC
#define LINK_SPEC VXWORKS_LINK_SPEC " " VXWORKS_ENDIAN_SPEC

#undef LIB_SPEC
#define LIB_SPEC VXWORKS_LIB_SPEC

#undef STARTFILE_SPEC
#define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC

#undef ENDFILE_SPEC
#define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC

#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/VxWorks)", stderr);

/* There is no default multilib.  */
#undef MULTILIB_DEFAULTS

#define FPUTYPE_DEFAULT FPUTYPE_VFP

#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER

/* We want to be compatible with a version of "2.96" at one point in
   the past before this macro was changed.  */
#undef DEFAULT_STRUCTURE_SIZE_BOUNDARY
#define DEFAULT_STRUCTURE_SIZE_BOUNDARY 8