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1 /* Configuration file for an m68k OpenBSD target.
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2 Copyright (C) 1999, 2002, 2003, 2007 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 /* Target OS builtins. */
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21 #define TARGET_OS_CPP_BUILTINS() \
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22 do \
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23 { \
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24 builtin_define ("__unix__"); \
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25 builtin_define ("__OpenBSD__"); \
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26 builtin_assert ("system=unix"); \
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27 builtin_assert ("system=OpenBSD"); \
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28 } \
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29 while (0)
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30
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31 /* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
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32 This will control the use of inline 68881 insns in certain macros. */
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33 #undef CPP_SPEC
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34 #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
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35
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36 #undef ASM_SPEC
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37 #define ASM_SPEC "%(asm_cpu_spec) %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
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38
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39 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
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40
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41 /* Layout of source language data types. */
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42
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43 /* This must agree with <machine/ansi.h> */
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44 #undef SIZE_TYPE
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45 #define SIZE_TYPE "unsigned int"
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46
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47 #undef PTRDIFF_TYPE
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48 #define PTRDIFF_TYPE "int"
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49
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50 #undef WCHAR_TYPE
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51 #define WCHAR_TYPE "int"
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52
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53 #undef WCHAR_TYPE_SIZE
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54 #define WCHAR_TYPE_SIZE 32
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55
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56 /* Storage layout. */
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57
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58 /* Every structure or union's size must be a multiple of 2 bytes. */
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59 #define STRUCTURE_SIZE_BOUNDARY 16
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60
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61 /* Specific options for DBX Output. */
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62
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63 /* This is BSD, so it wants DBX format. */
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64 #define DBX_DEBUGGING_INFO 1
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65
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66 /* Do not break .stabs pseudos into continuations. */
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67 #define DBX_CONTIN_LENGTH 0
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68
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69 /* This is the char to use for continuation (in case we need to turn
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70 continuation back on). */
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71 #define DBX_CONTIN_CHAR '?'
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72
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73 /* Stack & calling: aggregate returns. */
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74
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75 /* ??? This is traditional, but quite possibly wrong. It appears to
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76 disagree with gdb. */
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77 #define PCC_STATIC_STRUCT_RETURN 1
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78
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79 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
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80 we want to retain compatibility with older gcc versions. */
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81 #define DEFAULT_PCC_STRUCT_RETURN 0
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82
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83 /* Assembler format: exception region output. */
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84
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85 /* All configurations that don't use elf must be explicit about not using
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86 dwarf unwind information. */
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87 #define DWARF2_UNWIND_INFO 0
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