gcc/config/m68k/openbsd.h

   1 /* Configuration file for an m68k OpenBSD target.
   2    Copyright (C) 1999, 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 /* 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 /* m68k is an old configuration that does not yet use the TARGET_CPU_DEFAULT
  33    framework.  */
  34 #define TARGET_DEFAULT (MASK_BITFIELD | MASK_68881 | MASK_68020)
  35
  36 #include <m68k/m68k.h>
  37
  38 /* Get generic OpenBSD definitions.  */
  39 #define OBSD_OLD_GAS
  40 #include <openbsd.h>
  41
  42 /* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
  43    This will control the use of inline 68881 insns in certain macros.  */
  44 #undef CPP_SPEC
  45 #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
  46
  47 /* m68k as needs to know about the processor subtype.  */
  48 #undef ASM_SPEC
  49 #define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
  50
  51 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
  52
  53 /* Layout of source language data types.  */
  54
  55 /* This must agree with <machine/ansi.h> */
  56 #undef SIZE_TYPE
  57 #define SIZE_TYPE "unsigned int"
  58
  59 #undef PTRDIFF_TYPE
  60 #define PTRDIFF_TYPE "int"
  61
  62 #undef WCHAR_TYPE
  63 #define WCHAR_TYPE "int"
  64
  65 #undef WCHAR_TYPE_SIZE
  66 #define WCHAR_TYPE_SIZE 32
  67
  68 /* Storage layout.  */
  69
  70 /* Every structure or union's size must be a multiple of 2 bytes.  */
  71 #define STRUCTURE_SIZE_BOUNDARY 16
  72
  73 /* Specific options for DBX Output.  */
  74
  75 /* This is BSD, so it wants DBX format.  */
  76 #define DBX_DEBUGGING_INFO 1
  77
  78 /* Do not break .stabs pseudos into continuations.  */
  79 #define DBX_CONTIN_LENGTH 0
  80
  81 /* This is the char to use for continuation (in case we need to turn
  82    continuation back on).  */
  83 #define DBX_CONTIN_CHAR '?'
  84
  85 /* Stack & calling: aggregate returns.  */
  86
  87 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
  88    we want to retain compatibility with older gcc versions.  */
  89 #define DEFAULT_PCC_STRUCT_RETURN 0
  90
  91 /* Assembler format: exception region output.  */
  92
  93 /* All configurations that don't use elf must be explicit about not using
  94    dwarf unwind information. egcs doesn't try too hard to check internal
  95    configuration files...  */
  96 #define DWARF2_UNWIND_INFO 0