vxppc.h

GCC编译器源代码

/* Definitions of target machine for GNU compiler.  Vxworks PowerPC version.
   Copyright (C) 1996 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* This file just exists to give specs for the PowerPC running on VxWorks.  */

#include "rs6000/sysv4.h"

#undef CPP_SPEC
#define CPP_SPEC "\
%{posix: -D_POSIX_SOURCE} \
%{!mcpu*: \
  %{mpowerpc*: -D_ARCH_PPC -DCPU=PPC603} \
  %{!mno-powerpc: -D_ARCH_PPC -DCPU=PPC603}} \
%{mcpu=powerpc: -D_ARCH_PPC -DCPU=PPC603} \
%{mcpu=403: -D_ARCH_PPC -DCPU=PPC403} \
%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR -DCPU=PPC601} \
%{mcpu=603: -D_ARCH_PPC -DCPU=PPC603} \
%{mcpu=604: -D_ARCH_PPC -DCPU=PPC604}"

#undef CPP_PREDEFINES
#define CPP_PREDEFINES "\
-D__vxworks -D__vxworks__ -Asystem(vxworks) -Asystem(embedded) \
-Acpu(powerpc) -Amachine(powerpc)"

/* VxWorks does all the library stuff itself.  */

#undef LIB_SPEC
#define LIB_SPEC ""

/* VxWorks uses object files, not loadable images.  make linker just
   combine objects. */

#undef LINK_SPEC
#define LINK_SPEC "-r"

/* VxWorks provides the functionality of crt0.o and friends itself.  */

#undef STARTFILE_SPEC
#define STARTFILE_SPEC ""

#undef ENDFILE_SPEC
#define ENDFILE_SPEC ""

/* We use stabs-in-elf for debugging */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG