xref: /openbsd-src/gnu/usr.bin/gcc/gcc/config/i386/vxi386.h (revision c87b03e512fc05ed6e0222f6fb0ae86264b1d05b)
1 /* Definitions of target machine for GNU compiler.  VxWorks i386 version.
2    Copyright (C) 1998, 2002 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 #undef  TARGET_VERSION
22 #define TARGET_VERSION fprintf (stderr, " (80386, VxWorks BSD syntax)");
23 
24 #define TARGET_OS_CPP_BUILTINS()			\
25   do							\
26     {							\
27       builtin_define ("__vxworks");			\
28       builtin_assert ("system=unix");			\
29 							\
30       if (TARGET_386)					\
31 	builtin_define ("CPU=I80386");			\
32       else if (TARGET_486)				\
33 	builtin_define ("CPU=I80486");			\
34       else if (TARGET_PENTIUM)				\
35 	{						\
36 	  builtin_define ("CPU=PENTIUM");		\
37 	  builtin_define ("CPU_VARIANT=PENTIUM");	\
38 	}						\
39       else if (TARGET_PENTIUMPRO)			\
40 	{						\
41 	  builtin_define ("CPU=PENTIUM");		\
42 	  builtin_define ("CPU_VARIANT=PENTIUMPRO");	\
43 	}						\
44     }							\
45   while (0)
46 
47 #define HANDLE_SYSV_PRAGMA 1
48 
49 /* VxWorks does all the library stuff itself.  */
50 
51 #undef LIB_SPEC
52 #define LIB_SPEC ""
53 
54 /* VxWorks uses object files, not loadable images.  make linker just
55    combine objects.  */
56 
57 #undef LINK_SPEC
58 #define LINK_SPEC "-r"
59 
60 /* VxWorks provides the functionality of crt0.o and friends itself.  */
61 
62 #undef STARTFILE_SPEC
63 #define STARTFILE_SPEC ""
64 
65 #undef ENDFILE_SPEC
66 #define ENDFILE_SPEC ""
67