gcc/config/m68k/openbsd.h

   1 /* Configuration file for an m68k OpenBSD target.
   2    Copyright (C) 1999-2015 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC 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 3, or (at your option)
   9 any later version.
  10
  11 GCC 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 GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 /* Target OS builtins.  */
  21 #define TARGET_OS_CPP_BUILTINS()                \
  22   do                                            \
  23     {                                           \
  24         builtin_define ("__unix__");            \
  25         builtin_define ("__OpenBSD__");         \
  26         builtin_assert ("system=unix");         \
  27         builtin_assert ("system=OpenBSD");      \
  28    }                                            \
  29   while (0)
  30
  31 /* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
  32    This will control the use of inline 68881 insns in certain macros.  */
  33 #undef CPP_SPEC
  34 #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
  35
  36 #undef ASM_SPEC
  37 #define ASM_SPEC "%(asm_cpu_spec) %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
  38
  39 /* Layout of source language data types.  */
  40
  41 /* This must agree with <machine/ansi.h> */
  42 #undef SIZE_TYPE
  43 #define SIZE_TYPE "long unsigned int"
  44
  45 #undef PTRDIFF_TYPE
  46 #define PTRDIFF_TYPE "long int"
  47
  48 #undef WCHAR_TYPE
  49 #define WCHAR_TYPE "int"
  50
  51 #undef WCHAR_TYPE_SIZE
  52 #define WCHAR_TYPE_SIZE 32
  53
  54 #undef WINT_TYPE
  55 #define WINT_TYPE "int"
  56
  57 /* Storage layout.  */
  58
  59 /* Every structure or union's size must be a multiple of 2 bytes.  */
  60 #define STRUCTURE_SIZE_BOUNDARY 16
  61
  62 /* Specific options for DBX Output.  */
  63
  64 /* This is BSD, so it wants DBX format.  */
  65 #define DBX_DEBUGGING_INFO 1
  66
  67 /* Do not break .stabs pseudos into continuations.  */
  68 #define DBX_CONTIN_LENGTH 0
  69
  70 /* This is the char to use for continuation (in case we need to turn
  71    continuation back on).  */
  72 #define DBX_CONTIN_CHAR '?'
  73
  74 /* Stack & calling: aggregate returns.  */
  75
  76 /* ??? This is traditional, but quite possibly wrong.  It appears to
  77    disagree with gdb.  */
  78 #define PCC_STATIC_STRUCT_RETURN 1
  79
  80 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
  81    we want to retain compatibility with older gcc versions.  */
  82 #define DEFAULT_PCC_STRUCT_RETURN 0
  83
  84 /* Assembler format: exception region output.  */
  85
  86 /* All configurations that don't use elf must be explicit about not using
  87    dwarf unwind information.  */
  88 #define DWARF2_UNWIND_INFO 0
  89
  90 #define TARGET_HAVE_NAMED_SECTIONS false