1 /* Base configuration file for all FreeBSD targets. 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 Under Section 7 of GPL version 3, you are granted additional 17 permissions described in the GCC Runtime Library Exception, version 18 3.1, as published by the Free Software Foundation. 19 20 You should have received a copy of the GNU General Public License and 21 a copy of the GCC Runtime Library Exception along with this program; 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 <http://www.gnu.org/licenses/>. */ 24 25 /* Common FreeBSD configuration. 26 All FreeBSD architectures should include this file, which will specify 27 their commonalities. 28 Adapted from gcc/config/freebsd.h by 29 David O'Brien <obrien@FreeBSD.org> 30 Loren J. Rittle <ljrittle@acm.org>. */ 31 32 33 /* In case we need to know. */ 34 #define USING_CONFIG_FREEBSD_SPEC 1 35 36 #define FBSD_TARGET_OS_CPP_BUILTINS() \ 37 do \ 38 { \ 39 builtin_define_with_int_value ("__FreeBSD__", FBSD_MAJOR); \ 40 builtin_define_std ("unix"); \ 41 builtin_define ("__KPRINTF_ATTRIBUTE__"); \ 42 builtin_assert ("system=unix"); \ 43 builtin_assert ("system=bsd"); \ 44 builtin_assert ("system=FreeBSD"); \ 45 FBSD_TARGET_CPU_CPP_BUILTINS(); \ 46 } \ 47 while (0) 48 49 /* Define the default FreeBSD-specific per-CPU hook code. */ 50 #define FBSD_TARGET_CPU_CPP_BUILTINS() do {} while (0) 51 52 /* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC 53 option `-posix', and PIC issues. */ 54 55 #define FBSD_CPP_SPEC " \ 56 %(cpp_cpu) \ 57 %(cpp_arch) \ 58 %{posix:-D_POSIX_SOURCE}" 59 60 /* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add 61 the magical crtbegin.o file (see crtstuff.c) which provides part 62 of the support for getting C++ file-scope static object constructed 63 before entering `main'. */ 64 65 #define FBSD_STARTFILE_SPEC \ 66 "%{!shared: \ 67 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \ 68 %{!p:%{profile:gcrt1.o%s} \ 69 %{!profile: \ 70 %{pie: Scrt1.o%s;:crt1.o%s}}}}} \ 71 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 72 73 /* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on 74 the magical crtend.o file (see crtstuff.c) which provides part of 75 the support for getting C++ file-scope static object constructed 76 before entering `main', followed by a normal "finalizer" file, 77 `crtn.o'. */ 78 79 #define FBSD_ENDFILE_SPEC \ 80 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" 81 82 /* When threads support is requested include both -lc and the threading 83 library (which assumes FreeBSD 5.x or later, __FreeBSD_version 500016 84 to be precise). 85 And make it a hard error if -pthread is provided on the command 86 line and gcc was configured with --disable-threads (this will help 87 avoid bug reports from users complaining about threading when they 88 misconfigured the gcc bootstrap but are later consulting FreeBSD 89 manual pages that refer to the mythical -pthread option). */ 90 91 /* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate 92 libc, depending on whether we're doing profiling or need threads support. 93 (similar to the default, except no -lg, and no -p). */ 94 95 #ifdef FBSD_NO_THREADS 96 #define FBSD_LIB_SPEC " \ 97 %{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \ 98 is built with the --enable-threads configure-time option.} \ 99 %{!shared: \ 100 %{!pg: -lc} \ 101 %{pg: -lc_p} \ 102 }" 103 #else 104 #define FBSD_LIB_SPEC " \ 105 %{!shared: \ 106 %{!pg: %{pthread:-lpthread} -lc} \ 107 %{pg: %{pthread:-lpthread_p} -lc_p} \ 108 } \ 109 %{shared: \ 110 %{pthread:-lpthread} -lc \ 111 }" 112 #endif 113 114 /* To make matters interesting, we can't actually use __FreeBSD_version 115 provided by <osreldate.h> directly since it breaks cross-compiling. */ 116 117 #if FBSD_MAJOR < 6 118 #define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1" 119 #else 120 #define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1" 121 #endif 122 123 /* NOTE: The freebsd-spec.h header is included also for various 124 non-FreeBSD powerpc targets, thus it should never define macros 125 other than FBSD_* prefixed ones, or USING_CONFIG_FREEBSD_SPEC. */ 126