vxworks.h

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

/* Copyright (C) 1999, 2003, 2004 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  EXTRA_SECTIONS
#define EXTRA_SECTIONS in_sdata, in_sbss

#undef  EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS                                            \
  SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP) \
  SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP)


#undef  TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (MIPS, VxWorks syntax)");

/* Combination of mips.h and svr4.h.  */
#undef  SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR)          \
  (DEFAULT_SWITCH_TAKES_ARG (CHAR)      \
   || (CHAR) == 'G'                     \
   || (CHAR) == 'h'                     \
   || (CHAR) == 'x'                     \
   || (CHAR) == 'z')

#undef  ASM_SPEC
#define ASM_SPEC "\
%{!G:-G 0} %{G*} %(endian_spec) %{mips1} %{mips2} %{mips3} %{mips4} \
%{mips32} %{mips32r2} %{mips64} \
%{mips16:%{!mno-mips16:-mips16}} %{mno-mips16:-no-mips16} \
%(subtarget_asm_optimizing_spec) \
%(subtarget_asm_debugging_spec) \
%{mabi=*} %{!mabi*: %(asm_abi_default_spec)} \
%{mgp32} %{mgp64} %{march=*} %{mxgot:-xgot} \
%{mtune=*} %{v} \
%(subtarget_asm_spec)"

#undef LINK_SPEC
/* LINK_SPEC is clobbered in svr4.h. ugh!  */
#define LINK_SPEC "\
%(endian_spec) \
%{!G:-G 0} %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips64} \
%{bestGnum}"

#define TARGET_OS_CPP_BUILTINS()                        \
  do                                                    \
    {                                                   \
      builtin_define ("__vxworks");                     \
      builtin_assert ("system=unix");                   \
    }                                                   \
  while (0)

#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC \
"%{!DCPU=*: %{mips3|mips4|mips64:-DCPU=MIPS64;:-DCPU=MIPS32}} \
  %{EL|mel:-DMIPSEL;:-DMIPSEB} \
  %{msoft-float:-DSOFT_FLOAT} \
  %{mips1:-D_WRS_R3K_EXC_SUPPORT}"

/* No sdata.  */
#undef MIPS_DEFAULT_GVALUE
#define MIPS_DEFAULT_GVALUE 0