1 /* Definitions of target machine for GNU compiler. Vxworks Alpha version. 2 Copyright (C) 1998 Free Software Foundation, Inc. 3 4 This file is part of GNU CC. 5 6 GNU CC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU CC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU CC; see the file COPYING. If not, write to 18 the Free Software Foundation, 59 Temple Place - Suite 330, 19 Boston, MA 02111-1307, USA. */ 20 21 /* This file just exists to give specs for the Alpha running on VxWorks. */ 22 23 #undef CPP_SUBTARGET_SPEC 24 #define CPP_SUBTARGET_SPEC "\ 25 %{mvxsim:-DCPU=SIMALPHADUNIX} \ 26 %{!mvxsim: %{!mcpu*|mcpu=21064:-DCPU=21064} %{mcpu=21164:-DCPU=21164}} \ 27 %{posix: -D_POSIX_SOURCE}" 28 29 #define TARGET_OS_CPP_BUILTINS() \ 30 do { \ 31 builtin_define ("__vxworks"); \ 32 builtin_define ("__alpha_vxworks"); \ 33 builtin_define ("_LONGLONG"); \ 34 builtin_assert ("system=vxworks"); \ 35 builtin_assert ("system=embedded"); \ 36 } while (0) 37 38 /* VxWorks does all the library stuff itself. */ 39 40 #undef LIB_SPEC 41 #define LIB_SPEC "" 42 43 /* VxWorks uses object files, not loadable images. Make linker just combine 44 objects. Also show using 32 bit mode and set start of text to 0. */ 45 46 #undef LINK_SPEC 47 #define LINK_SPEC "-r -taso -T 0" 48 49 /* VxWorks provides the functionality of crt0.o and friends itself. */ 50 51 #undef STARTFILE_SPEC 52 #define STARTFILE_SPEC "" 53 54 #undef ENDFILE_SPEC 55 #define ENDFILE_SPEC "" 56