| /* 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) |
| #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " |
| #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. */ |
| #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}" |
| #endif |