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1.1 root 1: /* Definitions of target machine for GNU compiler. Sun 68010 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 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20:
21: #include "m68k.h"
22:
23: /* See 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: %{fpic:-k} %{fPIC:-k}"
39:
40: /* Names to predefine in the preprocessor for this target machine. */
41:
42: #define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix"
43:
44: /* Prevent error on `-sun2' and `-target sun2' options. */
45:
46: #define CC1_SPEC "%{sun2:} %{target:}"
47:
48: /* These compiler options take an argument. We ignore -target for now. */
49:
50: #define WORD_SWITCH_TAKES_ARG(STR) \
1.1.1.3 ! root 51: (!strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \
! 52: || !strcmp (STR, "Tbss") || !strcmp (STR, "include") \
1.1 root 53: || !strcmp (STR, "imacros") || !strcmp (STR, "target") \
1.1.1.2 root 54: || !strcmp (STR, "assert") || !strcmp (STR, "aux-info"))
1.1 root 55:
56: /* Specify what to link with. */
57:
58: /* Link with libg.a when debugging, for dbx's sake. */
59: /* Include the support for -a when appropriate. */
60: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
61: %{a:/usr/lib/bb_link.o -lc} "
62:
63: /* Alignment of field after `int : 0' in a structure. */
64:
65: #undef EMPTY_FIELD_BOUNDARY
66: #define EMPTY_FIELD_BOUNDARY 16
67:
68: /* Every structure or union's size must be a multiple of 2 bytes. */
69:
70: #define STRUCTURE_SIZE_BOUNDARY 16
71:
72: /* This is BSD, so it wants DBX format. */
73:
74: #define DBX_DEBUGGING_INFO
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