old-autovect-branch/gcc/config/sparc/sp-elf.h

   1 /* Definitions of target machine for GCC,
   2    for SPARC running in an embedded environment using the ELF file format.
   3    Copyright (C) 2005 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 #undef TARGET_VERSION
  23 #define TARGET_VERSION fprintf (stderr, " (sparc-elf)")
  24
  25 /* Don't assume anything about the header files.  */
  26 #define NO_IMPLICIT_EXTERN_C
  27
  28 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
  29    It's safe to pass -s always, even if -g is not used.  */
  30 #undef ASM_SPEC
  31 #define ASM_SPEC \
  32   "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
  33    %{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)"
  34
  35 /* Use the default.  */
  36 #undef LINK_SPEC
  37
  38 #undef STARTFILE_SPEC
  39 #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
  40
  41 #undef ENDFILE_SPEC
  42 #define ENDFILE_SPEC \
  43   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
  44    crtend.o%s crtn.o%s"
  45
  46 /* Don't set the target flags, this is done by the linker script */
  47 #undef LIB_SPEC
  48 #define LIB_SPEC ""
  49
  50 /* This defines which switch letters take arguments.
  51    It is as in svr4.h but with -R added.  */
  52 #undef SWITCH_TAKES_ARG
  53 #define SWITCH_TAKES_ARG(CHAR) \
  54   (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
  55    || (CHAR) == 'R' \
  56    || (CHAR) == 'h' \
  57    || (CHAR) == 'z')
  58 \f
  59 #undef  LOCAL_LABEL_PREFIX
  60 #define LOCAL_LABEL_PREFIX  "."
  61
  62 /* This is how to store into the string LABEL
  63    the symbol_ref name of an internal numbered label where
  64    PREFIX is the class of label and NUM is the number within the class.
  65    This is suitable for output with `assemble_name'.  */
  66
  67 #undef  ASM_GENERATE_INTERNAL_LABEL
  68 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
  69   sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
  70 \f
  71 /* ??? Inherited from sol2.h.  Probably wrong.  */
  72 #undef WCHAR_TYPE
  73 #define WCHAR_TYPE "long int"
  74
  75 #undef WCHAR_TYPE_SIZE
  76 #define WCHAR_TYPE_SIZE BITS_PER_WORD
  77
  78 /* ??? until fixed.  */
  79 #undef LONG_DOUBLE_TYPE_SIZE
  80 #define LONG_DOUBLE_TYPE_SIZE 64