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/* Definitions for systems using, at least optionally, a GNU
(glibc-based) userspace or other userspace with libc derived from
glibc (e.g. uClibc) or for which similar specs are appropriate.
Copyright (C) 1995-2014 Free Software Foundation, Inc.
Contributed by Eric Youngdale.
Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
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/>. */
/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
/* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add
the GNU userspace magical crtbegin.o file (see crtstuff.c) which
provides part of the support for getting C++ file-scope static
object constructed before entering `main'. */
#if defined HAVE_LD_PIE
#define GNU_USER_TARGET_STARTFILE_SPEC \
"%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
%{fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_start_preinit.o%s; \
fvtable-verify=std:vtv_start.o%s}"
#else
#define GNU_USER_TARGET_STARTFILE_SPEC \
"%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
%{fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_start_preinit.o%s; \
fvtable-verify=std:vtv_start.o%s}"
#endif
#undef STARTFILE_SPEC
#define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
/* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on
the GNU userspace 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
GNU userspace "finalizer" file, `crtn.o'. */
#define GNU_USER_TARGET_ENDFILE_SPEC \
"%{fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_end_preinit.o%s; \
fvtable-verify=std:vtv_end.o%s} \
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
/* This is for -profile to use -lc_p instead of -lc. */
#define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
#ifndef CC1_SPEC
#define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
#endif
/* The GNU C++ standard library requires that these macros be defined. */
#undef CPLUSPLUS_CPP_SPEC
#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
#define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
"%{shared:-lc} \
%{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
#define GNU_USER_TARGET_LIB_SPEC \
"%{pthread:-lpthread} " \
GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
#undef LIB_SPEC
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
#if defined(HAVE_LD_EH_FRAME_HDR)
#ifdef USE_EH_FRAME_HDR_FOR_STATIC
#define LINK_EH_SPEC "--eh-frame-hdr "
#else
#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
#endif
#endif
#undef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC \
"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
/* Use --as-needed -lgcc_s for eh support. */
#ifdef HAVE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 1
#endif
#define TARGET_POSIX_IO
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
/* Link -lasan early on the command line. For -static-libasan, don't link
it for -shared link, the executable should be compiled with -static-libasan
in that case, and for executable link link with --{,no-}whole-archive around
it to force everything into the executable. And similarly for -ltsan
and -llsan. */
#if defined(HAVE_LD_STATIC_DYNAMIC)
#undef LIBASAN_EARLY_SPEC
#define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
"%{static-libasan:%{!shared:" \
LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
#undef LIBTSAN_EARLY_SPEC
#define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \
LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
#undef LIBLSAN_EARLY_SPEC
#define LIBLSAN_EARLY_SPEC "%{static-liblsan:%{!shared:" \
LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
#endif
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