1  /* Configuration file for an m68k OpenBSD target.
       2     Copyright (C) 1999-2023 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 \
      38    "%(asm_cpu_spec) %{" FPIE1_OR_FPIC1_SPEC ":-k} %{" FPIE2_OR_FPIC2_SPEC ":-k -K}"
      39  
      40  /* Layout of source language data types.  */
      41  
      42  /* This must agree with <machine/ansi.h> */
      43  #undef SIZE_TYPE
      44  #define SIZE_TYPE "long unsigned int"
      45  
      46  #undef PTRDIFF_TYPE
      47  #define PTRDIFF_TYPE "long int"
      48  
      49  #undef WCHAR_TYPE
      50  #define WCHAR_TYPE "int"
      51  
      52  #undef WCHAR_TYPE_SIZE
      53  #define WCHAR_TYPE_SIZE 32
      54  
      55  #undef WINT_TYPE
      56  #define WINT_TYPE "int"
      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  /* Stack & calling: aggregate returns.  */
      64  
      65  /* ??? This is traditional, but quite possibly wrong.  It appears to
      66     disagree with gdb.  */
      67  #define PCC_STATIC_STRUCT_RETURN 1
      68  
      69  /* Don't default to pcc-struct-return, because gcc is the only compiler, and
      70     we want to retain compatibility with older gcc versions.  */
      71  #define DEFAULT_PCC_STRUCT_RETURN 0
      72  
      73  /* Assembler format: exception region output.  */
      74  
      75  /* All configurations that don't use elf must be explicit about not using
      76     dwarf unwind information.  */
      77  #define DWARF2_UNWIND_INFO 0
      78  
      79  #define TARGET_HAVE_NAMED_SECTIONS false