1/* Base configuration file for all FreeBSD targets. 2 Copyright (C) 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) 9any later version. 10 11GCC is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING. If not, write to 18the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19Boston, MA 02110-1301, USA. */ 20 21/* $FreeBSD$ */ 22 23/* Common FreeBSD configuration. 24 All FreeBSD architectures should include this file, which will specify 25 their commonalities. 26 Adapted from gcc/config/freebsd.h by 27 David O'Brien <obrien@FreeBSD.org> 28 Loren J. Rittle <ljrittle@acm.org>. */ 29 30 31/* In case we need to know. */ 32#define USING_CONFIG_FREEBSD_SPEC 1 33 34/* This defines which switch letters take arguments. On FreeBSD, most of 35 the normal cases (defined in gcc.c) apply, and we also have -h* and 36 -z* options (for the linker) (coming from SVR4). 37 We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */ 38 39#define FBSD_SWITCH_TAKES_ARG(CHAR) \ 40 (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ 41 || (CHAR) == 'h' \ 42 || (CHAR) == 'z' /* ignored by ld */ \ 43 || (CHAR) == 'R') 44 45/* This defines which multi-letter switches take arguments. */ 46 47#define FBSD_WORD_SWITCH_TAKES_ARG(STR) \ 48 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ 49 || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \ 50 || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \ 51 || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker")) 52 53#define FBSD_TARGET_OS_CPP_BUILTINS() \ 54 do \ 55 { \ 56 builtin_define_with_int_value ("__FreeBSD__", FBSD_MAJOR); \ 57 builtin_define_std ("unix"); \ 58 builtin_define_std ("__unix__"); \ 59 builtin_define ("__KPRINTF_ATTRIBUTE__"); \ 60 builtin_assert ("system=unix"); \ 61 builtin_assert ("system=bsd"); \ 62 builtin_assert ("system=FreeBSD"); \ 63 FBSD_NATIVE_TARGET_OS_CPP_BUILTINS(); \ 64 FBSD_TARGET_CPU_CPP_BUILTINS(); \ 65 } \ 66 while (0) 67 68/* Define the default FreeBSD-specific per-CPU hook code. */ 69#define FBSD_TARGET_CPU_CPP_BUILTINS() do {} while (0) 70 71#ifdef FREEBSD_NATIVE 72#define FBSD_NATIVE_TARGET_OS_CPP_BUILTINS() \ 73 do { \ 74 builtin_define_with_int_value ("__FreeBSD_cc_version", FBSD_CC_VER); \ 75 } while (0) 76#else 77#define FBSD_NATIVE_TARGET_OS_CPP_BUILTINS() \ 78 do {} while (0) 79#endif 80 81/* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC 82 option `-posix', and PIC issues. Try to detect support for the 83 `long long' type. Unfortunately the GCC spec parser will not allow us 84 to properly detect the "iso9899:1990" and "iso9899:199409" forms of 85 -std=c89. Because of the ':' in the -std argument. :-( I have left 86 them in the spec as a place holder in hopes someone knows a way to make 87 the detection of them work. */ 88 89#define FBSD_CPP_SPEC " \ 90 %(cpp_cpu) \ 91 %(cpp_arch) \ 92 %{!ansi:%{!std=c89:%{!std=iso9899.1990:%{!std=iso9899.199409:-D_LONGLONG}}}} \ 93 %{posix:-D_POSIX_SOURCE}" 94 95/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add the magical 96 crtbegin.o file (see crtstuff.c) which provides part of the support for 97 getting C++ file-scope static object constructed before entering `main'. */ 98 99#define FBSD_STARTFILE_SPEC "\ 100 %{!shared: \ 101 %{pg:gcrt1.o%s} \ 102 %{!pg: \ 103 %{p:gcrt1.o%s} \ 104 %{!p: \ 105 %{profile:gcrt1.o%s} \ 106 %{!profile: \ 107 %{pie: Scrt1.o%s;:crt1.o%s}}}}} \ 108 crti.o%s \ 109 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 110 111/* Provide an ENDFILE_SPEC appropriate for FreeBSD/i386. Here we tack on 112 our own magical crtend.o file (see crtstuff.c) which provides part of 113 the support for getting C++ file-scope static object constructed before 114 entering `main', followed by the normal "finalizer" file, `crtn.o'. */ 115 116#define FBSD_ENDFILE_SPEC "\ 117 %{shared|pie:crtendS.o%s;:crtend.o%s} \ 118 crtn.o%s " 119 120/* Provide a LIB_SPEC appropriate for FreeBSD as configured and as 121 required by the user-land thread model. Before __FreeBSD_version 122 500016, select the appropriate libc, depending on whether we're 123 doing profiling or need threads support. At __FreeBSD_version 124 500016 and later, when threads support is requested include both 125 -lc and the threading lib instead of only -lc_r. To make matters 126 interesting, we can't actually use __FreeBSD_version provided by 127 <osreldate.h> directly since it breaks cross-compiling. As a final 128 twist, make it a hard error if -pthread is provided on the command 129 line and gcc was configured with --disable-threads (this will help 130 avoid bug reports from users complaining about threading when they 131 misconfigured the gcc bootstrap but are later consulting FreeBSD 132 manual pages that refer to the mythical -pthread option). */ 133 134/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate 135 libc, depending on whether we're doing profiling or need threads support. 136 (similar to the default, except no -lg, and no -p). */ 137 138#ifdef FBSD_NO_THREADS 139#define FBSD_LIB_SPEC " \ 140 %{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \ 141is built with the --enable-threads configure-time option.} \ 142 %{!shared: \ 143 %{!pg: -lc} \ 144 %{pg: -lc_p} \ 145 }" 146#else 147#include <sys/param.h> 148#if __FreeBSD_version < 500016 149#define FBSD_LIB_SPEC " \ 150 %{!shared: \ 151 %{!pg: \ 152 %{!pthread:-lc} \ 153 %{pthread:-lc_r}} \ 154 %{pg: \ 155 %{!pthread:-lc_p} \ 156 %{pthread:-lc_r_p}} \ 157 }" 158#elif __FreeBSD_version < 700022 159#define FBSD_LIB_SPEC " \ 160 %{!shared: \ 161 %{!pg: %{pthread:-lpthread} -lc} \ 162 %{pg: %{pthread:-lpthread_p} -lc_p} \ 163 }" 164#else 165#define FBSD_LIB_SPEC " \ 166 %{!shared: \ 167 %{!pg: %{pthread:-lpthread} -lc} \ 168 %{pg: %{pthread:-lpthread_p} -lc_p}} \ 169 %{shared: \ 170 %{pthread:-lpthread} -lc} \ 171 %{fstack-protector|fstack-protector-all:-lssp_nonshared} \ 172 " 173#endif 174#endif 175 176#if FBSD_MAJOR < 5 177#define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1" 178#else 179#define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1" 180#endif 181 182#if defined(HAVE_LD_EH_FRAME_HDR) 183#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " 184#endif 185 186/* Use --as-needed -lgcc_s for eh support. */ 187#ifdef HAVE_LD_AS_NEEDED 188#define USE_LD_AS_NEEDED 1 189#endif 190 191#define FBSD_SIZE_TYPE \ 192 (POINTER_SIZE == 64 ? "long unsigned int" : "unsigned int") 193#define FBSD_PTRDIFF_TYPE \ 194 (POINTER_SIZE == 64 ? "long int" : "int") 195