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1.1 root 1: /* Definitions of target machine for GNU compiler. Sun 68000/68020 version.
2: Copyright (C) 1987, 1988 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20:
21: #include "tm-m68k.h"
22:
23: /* See tm-m68k.h. 0 means 68000 with no 68881. */
24:
25: #define TARGET_DEFAULT 0
26:
27: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
28: This will control the use of inline 68881 insns in certain macros.
29: Also inform the program which CPU this is for. */
30:
31: #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
32: %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
33:
34: /* -m68020 requires special flags to the assembler. */
35:
36: #define ASM_SPEC \
37: "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}}"
38:
39: /* Names to predefine in the preprocessor for this target machine. */
40:
41: #define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix"
42:
43: /* Alignment of field after `int : 0' in a structure. */
44:
45: #undef EMPTY_FIELD_BOUNDARY
46: #define EMPTY_FIELD_BOUNDARY 16
47:
48: /* Every structure or union's size must be a multiple of 2 bytes. */
49:
50: #define STRUCTURE_SIZE_BOUNDARY 16
51:
52: /* This is BSD, so it wants DBX format. */
53:
54: #define DBX_DEBUGGING_INFO
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