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Diffstat (limited to 'gcc-4.9/gcc/config/freebsd-spec.h')
| -rw-r--r-- | gcc-4.9/gcc/config/freebsd-spec.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/freebsd-spec.h b/gcc-4.9/gcc/config/freebsd-spec.h new file mode 100644 index 000000000..8e7700669 --- /dev/null +++ b/gcc-4.9/gcc/config/freebsd-spec.h @@ -0,0 +1,138 @@ +/* Base configuration file for all FreeBSD targets. + Copyright (C) 1999-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +/* Common FreeBSD configuration. + All FreeBSD architectures should include this file, which will specify + their commonalities. + Adapted from gcc/config/freebsd.h by + David O'Brien <obrien@FreeBSD.org> + Loren J. Rittle <ljrittle@acm.org>. */ + + +/* In case we need to know. */ +#define USING_CONFIG_FREEBSD_SPEC 1 + +#define FBSD_TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define_with_int_value ("__FreeBSD__", FBSD_MAJOR); \ + builtin_define_std ("unix"); \ + builtin_define ("__KPRINTF_ATTRIBUTE__"); \ + builtin_assert ("system=unix"); \ + builtin_assert ("system=bsd"); \ + builtin_assert ("system=FreeBSD"); \ + FBSD_TARGET_CPU_CPP_BUILTINS(); \ + } \ + while (0) + +/* Define the default FreeBSD-specific per-CPU hook code. */ +#define FBSD_TARGET_CPU_CPP_BUILTINS() do {} while (0) + +/* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC + option `-posix', and PIC issues. */ + +#define FBSD_CPP_SPEC " \ + %(cpp_cpu) \ + %(cpp_arch) \ + %{posix:-D_POSIX_SOURCE}" + +/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add + the magical crtbegin.o file (see crtstuff.c) which provides part + of the support for getting C++ file-scope static object constructed + before entering `main'. */ + +#define FBSD_STARTFILE_SPEC \ + "%{!shared: \ + %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \ + %{!p:%{profile:gcrt1.o%s} \ + %{!profile:crt1.o%s}}}} \ + crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" + +/* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on + the magical crtend.o file (see crtstuff.c) which provides part of + the support for getting C++ file-scope static object constructed + before entering `main', followed by a normal "finalizer" file, + `crtn.o'. */ + +#define FBSD_ENDFILE_SPEC \ + "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" + +/* Provide a LIB_SPEC appropriate for FreeBSD as configured and as + required by the user-land thread model. Before __FreeBSD_version + 500016, select the appropriate libc, depending on whether we're + doing profiling or need threads support. At __FreeBSD_version + 500016 and later, when threads support is requested include both + -lc and the threading lib instead of only -lc_r. To make matters + interesting, we can't actually use __FreeBSD_version provided by + <osreldate.h> directly since it breaks cross-compiling. As a final + twist, make it a hard error if -pthread is provided on the command + line and gcc was configured with --disable-threads (this will help + avoid bug reports from users complaining about threading when they + misconfigured the gcc bootstrap but are later consulting FreeBSD + manual pages that refer to the mythical -pthread option). */ + +/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate + libc, depending on whether we're doing profiling or need threads support. + (similar to the default, except no -lg, and no -p). */ + +#ifdef FBSD_NO_THREADS +#define FBSD_LIB_SPEC " \ + %{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \ +is built with the --enable-threads configure-time option.} \ + %{!shared: \ + %{!pg: -lc} \ + %{pg: -lc_p} \ + }" +#else +#if FBSD_MAJOR < 5 +#define FBSD_LIB_SPEC " \ + %{!shared: \ + %{!pg: \ + %{!pthread:-lc} \ + %{pthread:-lc_r}} \ + %{pg: \ + %{!pthread:-lc_p} \ + %{pthread:-lc_r_p}} \ + }" +#else +#define FBSD_LIB_SPEC " \ + %{!shared: \ + %{!pg: %{pthread:-lpthread} -lc} \ + %{pg: %{pthread:-lpthread_p} -lc_p} \ + } \ + %{shared: \ + %{pthread:-lpthread} -lc \ + }" +#endif +#endif + +#if FBSD_MAJOR < 6 +#define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1" +#else +#define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1" +#endif + +/* NOTE: The freebsd-spec.h header is included also for various + non-FreeBSD powerpc targets, thus it should never define macros + other than FBSD_* prefixed ones, or USING_CONFIG_FREEBSD_SPEC. */ |