freebsd-dev/contrib/gcc/config/alpha/vxworks.h
1999-10-16 06:09:09 +00:00

52 lines
1.6 KiB
C

/* Definitions of target machine for GNU compiler. Vxworks Alpha version.
Copyright (C) 1998 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 Alpha running on VxWorks. */
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "\
%{mvxsim:-DCPU=SIMALPHADUNIX} \
%{!mvxsim: %{!mcpu*|mcpu=21064:-DCPU=21064} %{mcpu=21164:-DCPU=21164}} \
%{posix: -D_POSIX_SOURCE}"
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "\
-D__vxworks -D__alpha_vxworks -Asystem(vxworks) \
-Asystem(embedded) -D_LONGLONG"
/* 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. Also show using 32 bit mode and set start of text to 0. */
#undef LINK_SPEC
#define LINK_SPEC "-r -taso -T 0"
/* VxWorks provides the functionality of crt0.o and friends itself. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC ""
#undef ENDFILE_SPEC
#define ENDFILE_SPEC ""