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, 2007 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 3, 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 COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #undef TARGET_VERSION
  22 #define TARGET_VERSION fprintf (stderr, " (sparc-elf)")
  23
  24 /* Don't assume anything about the header files.  */
  25 #define NO_IMPLICIT_EXTERN_C
  26
  27 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
  28    It's safe to pass -s always, even if -g is not used.  */
  29 #undef ASM_SPEC
  30 #define ASM_SPEC \
  31   "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
  32    %{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)"
  33
  34 /* Use the default.  */
  35 #undef LINK_SPEC
  36
  37 #undef STARTFILE_SPEC
  38 #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
  39
  40 #undef ENDFILE_SPEC
  41 #define ENDFILE_SPEC \
  42   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
  43    crtend.o%s crtn.o%s"
  44
  45 /* Don't set the target flags, this is done by the linker script */
  46 #undef LIB_SPEC
  47 #define LIB_SPEC ""
  48
  49 /* This defines which switch letters take arguments.
  50    It is as in svr4.h but with -R added.  */
  51 #undef SWITCH_TAKES_ARG
  52 #define SWITCH_TAKES_ARG(CHAR) \
  53   (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
  54    || (CHAR) == 'R' \
  55    || (CHAR) == 'h' \
  56    || (CHAR) == 'z')
  57 \f
  58 #undef  LOCAL_LABEL_PREFIX
  59 #define LOCAL_LABEL_PREFIX  "."
  60
  61 /* This is how to store into the string LABEL
  62    the symbol_ref name of an internal numbered label where
  63    PREFIX is the class of label and NUM is the number within the class.
  64    This is suitable for output with `assemble_name'.  */
  65
  66 #undef  ASM_GENERATE_INTERNAL_LABEL
  67 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
  68   sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
  69 \f
  70 /* ??? Inherited from sol2.h.  Probably wrong.  */
  71 #undef WCHAR_TYPE
  72 #define WCHAR_TYPE "long int"
  73
  74 #undef WCHAR_TYPE_SIZE
  75 #define WCHAR_TYPE_SIZE BITS_PER_WORD
  76
  77 /* ??? until fixed.  */
  78 #undef LONG_DOUBLE_TYPE_SIZE
  79 #define LONG_DOUBLE_TYPE_SIZE 64