1/* Configuration file for an m68k OpenBSD target.
2   Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING.  If not, write to
18the Free Software Foundation, 51 Franklin Street, Fifth Floor,
19Boston, MA 02110-1301, USA.  */
20
21/* Target OS builtins.  */
22#define TARGET_OS_CPP_BUILTINS()		\
23  do						\
24    {						\
25	builtin_define ("__unix__");		\
26	builtin_define ("__OpenBSD__");		\
27	builtin_assert ("system=unix");		\
28	builtin_assert ("system=OpenBSD");	\
29   }						\
30  while (0)
31
32/* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
33   This will control the use of inline 68881 insns in certain macros.  */
34#undef CPP_SPEC
35#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
36
37/* m68k as needs to know about the processor subtype.  */
38#undef ASM_SPEC
39#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
40
41#define AS_NEEDS_DASH_FOR_PIPED_INPUT
42
43/* Layout of source language data types.  */
44
45/* This must agree with <machine/ansi.h> */
46#undef SIZE_TYPE
47#define SIZE_TYPE "unsigned int"
48
49#undef PTRDIFF_TYPE
50#define PTRDIFF_TYPE "int"
51
52#undef WCHAR_TYPE
53#define WCHAR_TYPE "int"
54
55#undef WCHAR_TYPE_SIZE
56#define WCHAR_TYPE_SIZE 32
57
58/* Storage layout.  */
59
60/* Every structure or union's size must be a multiple of 2 bytes.  */
61#define STRUCTURE_SIZE_BOUNDARY 16
62
63/* Specific options for DBX Output.  */
64
65/* This is BSD, so it wants DBX format.  */
66#define DBX_DEBUGGING_INFO 1
67
68/* Do not break .stabs pseudos into continuations.  */
69#define DBX_CONTIN_LENGTH 0
70
71/* This is the char to use for continuation (in case we need to turn
72   continuation back on).  */
73#define DBX_CONTIN_CHAR '?'
74
75/* Stack & calling: aggregate returns.  */
76
77/* Don't default to pcc-struct-return, because gcc is the only compiler, and
78   we want to retain compatibility with older gcc versions.  */
79#define DEFAULT_PCC_STRUCT_RETURN 0
80
81/* Assembler format: exception region output.  */
82
83/* All configurations that don't use elf must be explicit about not using
84   dwarf unwind information.  */
85#define DWARF2_UNWIND_INFO 0
86