sp-elf.h

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

/* Definitions of target machine for GCC,
   for SPARC running in an embedded environment using the ELF file format.
   Copyright (C) 2005 Free Software Foundation, Inc.

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, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (sparc-elf)")

/* Don't assume anything about the header files.  */
#define NO_IMPLICIT_EXTERN_C

/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
   It's safe to pass -s always, even if -g is not used.  */
#undef ASM_SPEC
#define ASM_SPEC \
  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
   %{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)"

/* Use the default.  */
#undef LINK_SPEC

#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"

#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
   crtend.o%s crtn.o%s"

/* Don't set the target flags, this is done by the linker script */
#undef LIB_SPEC
#define LIB_SPEC ""

/* This defines which switch letters take arguments.
   It is as in svr4.h but with -R added.  */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
  (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
   || (CHAR) == 'R' \
   || (CHAR) == 'h' \
   || (CHAR) == 'z')

#undef  LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX  "."

/* This is how to store into the string LABEL
   the symbol_ref name of an internal numbered label where
   PREFIX is the class of label and NUM is the number within the class.
   This is suitable for output with `assemble_name'.  */

#undef  ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)	\
  sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))

/* ??? Inherited from sol2.h.  Probably wrong.  */
#undef WCHAR_TYPE
#define WCHAR_TYPE "long int"

#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD

/* ??? until fixed.  */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64