1 /* Configuration file for an m68k OpenBSD target. 2 Copyright (C) 1999-2021 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 /* 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 /* ??? This is traditional, but quite possibly wrong. It appears to 78 disagree with gdb. */ 79 #define PCC_STATIC_STRUCT_RETURN 1 80 81 /* Don't default to pcc-struct-return, because gcc is the only compiler, and 82 we want to retain compatibility with older gcc versions. */ 83 #define DEFAULT_PCC_STRUCT_RETURN 0 84 85 /* Assembler format: exception region output. */ 86 87 /* All configurations that don't use elf must be explicit about not using 88 dwarf unwind information. */ 89 #define DWARF2_UNWIND_INFO 0 90 91 #define TARGET_HAVE_NAMED_SECTIONS false 92