1 /* Configuration file for an rs6000 OpenBSD target. 2 Copyright (C) 1999 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 /* XXX need to check ASM_WEAKEN_LABEL/ASM_GLOBALIZE_LABEL. */ 22 23 /* Run-time target specifications. */ 24 #undef TARGET_OS_CPP_BUILTINS /* FIXME: sysv4.h should not define this! */ 25 #define TARGET_OS_CPP_BUILTINS() \ 26 do \ 27 { \ 28 OPENBSD_OS_CPP_BUILTINS_ELF(); \ 29 builtin_define ("__PPC"); \ 30 builtin_define ("__PPC__"); \ 31 builtin_define ("__powerpc"); \ 32 builtin_define ("__powerpc__"); \ 33 builtin_assert ("cpu=powerpc"); \ 34 builtin_assert ("machine=powerpc"); \ 35 } \ 36 while (0) 37 38 /* Override the default from rs6000.h to avoid conflicts with macros 39 defined in OpenBSD header files. */ 40 41 #undef RS6000_CPU_CPP_ENDIAN_BUILTINS 42 #define RS6000_CPU_CPP_ENDIAN_BUILTINS() \ 43 do \ 44 { \ 45 if (BYTES_BIG_ENDIAN) \ 46 { \ 47 builtin_define ("__BIG_ENDIAN__"); \ 48 builtin_assert ("machine=bigendian"); \ 49 } \ 50 else \ 51 { \ 52 builtin_define ("__LITTLE_ENDIAN__"); \ 53 builtin_assert ("machine=littleendian"); \ 54 } \ 55 } \ 56 while (0) 57 58 #undef CPP_OS_DEFAULT_SPEC 59 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_openbsd)" 60 61 #undef LINKER_NAME 62 #define LINKER_NAME "ld" 63 64 #undef LINK_SPEC 65 #define LINK_SPEC "%{shared:-shared} \ 66 %{!shared: \ 67 %{!static: \ 68 %{rdynamic:-export-dynamic} \ 69 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}} \ 70 %{static:-static}}" 71 72 #undef LIB_DEFAULT_SPEC 73 #define LIB_DEFAULT_SPEC "%(lib_openbsd)" 74 75 #undef STARTFILE_DEFAULT_SPEC 76 #define STARTFILE_DEFAULT_SPEC "%(startfile_openbsd)" 77 78 #undef ENDFILE_DEFAULT_SPEC 79 #define ENDFILE_DEFAULT_SPEC "%(endfile_openbsd)" 80 81 #undef LINK_START_DEFAULT_SPEC 82 #define LINK_START_DEFAULT_SPEC "%(link_start_openbsd)" 83 84 #undef LINK_OS_DEFAULT_SPEC 85 #define LINK_OS_DEFAULT_SPEC "%(link_os_openbsd)" 86 87 #undef TARGET_VERSION 88 #define TARGET_VERSION fprintf (stderr, " (PowerPC OpenBSD)"); 89 90 /* Default ABI to use */ 91 #undef RS6000_ABI_NAME 92 #define RS6000_ABI_NAME "openbsd" 93 94 /* Define this macro as a C expression for the initializer of an 95 array of string to tell the driver program which options are 96 defaults for this target and thus do not need to be handled 97 specially when using `MULTILIB_OPTIONS'. 98 99 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 100 the target makefile fragment or if none of the options listed in 101 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 102 103 #undef MULTILIB_DEFAULTS 104 #define MULTILIB_DEFAULTS { "mbig", "mcall-openbsd" } 105 106 /* collect2 support (Macros for initialization). */ 107 108 109 /* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld 110 library with the proper functions to handle this -> collect2 will 111 default to using nm. */ 112 #undef OBJECT_FORMAT_COFF 113 114 /* Some code gets optimized incorrectly by move_movables() in loop.c */ 115 #define BROKEN_MOVE_MOVABLES_P 116 117 /* This must agree with <machine/_types.h> */ 118 #undef SIZE_TYPE 119 #define SIZE_TYPE "long unsigned int" 120 121 #undef PTRDIFF_TYPE 122 #define PTRDIFF_TYPE "long int" 123 124 #undef WCHAR_TYPE 125 #define WCHAR_TYPE "int" 126 127 #undef WCHAR_TYPE_SIZE 128 #define WCHAR_TYPE_SIZE 32 129 130