1 /* Definitions for systems using, at least optionally, a GNU 2 (glibc-based) userspace or other userspace with libc derived from 3 glibc (e.g. uClibc) or for which similar specs are appropriate. 4 Copyright (C) 1995-2021 Free Software Foundation, Inc. 5 Contributed by Eric Youngdale. 6 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org). 7 8 This file is part of GCC. 9 10 GCC is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3, or (at your option) 13 any later version. 14 15 GCC is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 Under Section 7 of GPL version 3, you are granted additional 21 permissions described in the GCC Runtime Library Exception, version 22 3.1, as published by the Free Software Foundation. 23 24 You should have received a copy of the GNU General Public License and 25 a copy of the GCC Runtime Library Exception along with this program; 26 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 27 <http://www.gnu.org/licenses/>. */ 28 29 #undef ASM_APP_ON 30 #define ASM_APP_ON "#APP\n" 31 32 #undef ASM_APP_OFF 33 #define ASM_APP_OFF "#NO_APP\n" 34 35 #if ENABLE_OFFLOADING == 1 36 #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}" 37 #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}" 38 #else 39 #define CRTOFFLOADBEGIN "" 40 #define CRTOFFLOADEND "" 41 #endif 42 43 #define GNU_USER_TARGET_CRTI "crti.o%s" 44 #define GNU_USER_TARGET_CRTN "crtn.o%s" 45 46 /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add 47 the GNU userspace magical crtbegin.o file (see crtstuff.c) which 48 provides part of the support for getting C++ file-scope static 49 object constructed before entering `main'. */ 50 51 #define GNU_USER_TARGET_STARTFILE_SPEC \ 52 "%{shared:; \ 53 pg|p|profile:%{static-pie:grcrt1.o%s;:gcrt1.o%s}; \ 54 static:crt1.o%s; \ 55 static-pie:rcrt1.o%s; \ 56 " PIE_SPEC ":Scrt1.o%s; \ 57 :crt1.o%s} " \ 58 GNU_USER_TARGET_CRTI " \ 59 %{static:crtbeginT.o%s; \ 60 shared|static-pie|" PIE_SPEC ":crtbeginS.o%s; \ 61 :crtbegin.o%s} \ 62 %{fvtable-verify=none:%s; \ 63 fvtable-verify=preinit:vtv_start_preinit.o%s; \ 64 fvtable-verify=std:vtv_start.o%s} " \ 65 CRTOFFLOADBEGIN 66 #undef STARTFILE_SPEC 67 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC 68 69 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on 70 the GNU userspace magical crtend.o file (see crtstuff.c) which 71 provides part of the support for getting C++ file-scope static 72 object constructed before entering `main', followed by a normal 73 GNU userspace "finalizer" file, `crtn.o'. */ 74 75 #define GNU_USER_TARGET_ENDFILE_SPEC \ 76 "%{!static:%{fvtable-verify=none:%s; \ 77 fvtable-verify=preinit:vtv_end_preinit.o%s; \ 78 fvtable-verify=std:vtv_end.o%s}} \ 79 %{static:crtend.o%s; \ 80 shared|static-pie|" PIE_SPEC ":crtendS.o%s; \ 81 :crtend.o%s} " \ 82 GNU_USER_TARGET_CRTN " " \ 83 CRTOFFLOADEND 84 #undef ENDFILE_SPEC 85 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC 86 87 /* This is for -profile to use -lc_p instead of -lc. */ 88 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}" 89 #ifndef CC1_SPEC 90 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC 91 #endif 92 93 /* The GNU C++ standard library requires that these macros be defined. */ 94 #undef CPLUSPLUS_CPP_SPEC 95 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" 96 97 #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \ 98 "%{shared:-lc} \ 99 %{!shared:%{profile:-lc_p}%{!profile:-lc}}" 100 101 #define GNU_USER_TARGET_LIB_SPEC \ 102 "%{pthread:-lpthread} " \ 103 GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC 104 105 #undef LIB_SPEC 106 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC 107 108 #if defined(HAVE_LD_EH_FRAME_HDR) 109 #define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} " 110 #endif 111 112 #define GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC \ 113 "%{static|static-pie:--start-group} %G %{!nolibc:%L} \ 114 %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}" 115 116 #undef LINK_GCC_C_SEQUENCE_SPEC 117 #define LINK_GCC_C_SEQUENCE_SPEC GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC 118 119 /* Use --as-needed -lgcc_s for eh support. */ 120 #ifdef HAVE_LD_AS_NEEDED 121 #define USE_LD_AS_NEEDED 1 122 #endif 123 124 #define TARGET_POSIX_IO 125 126 #undef TARGET_LIBC_HAS_FUNCTION 127 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function 128 129 /* Link -lasan early on the command line. For -static-libasan, don't link 130 it for -shared link, the executable should be compiled with -static-libasan 131 in that case, and for executable link with --{,no-}whole-archive around 132 it to force everything into the executable. And similarly for -ltsan, 133 -lhwasan, and -llsan. */ 134 #if defined(HAVE_LD_STATIC_DYNAMIC) 135 #undef LIBASAN_EARLY_SPEC 136 #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \ 137 "%{static-libasan:%{!shared:" \ 138 LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \ 139 LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}" 140 #undef LIBHWASAN_EARLY_SPEC 141 #define LIBHWASAN_EARLY_SPEC "%{static-libhwasan:%{!shared:" \ 142 LD_STATIC_OPTION " --whole-archive -lhwasan --no-whole-archive " \ 143 LD_DYNAMIC_OPTION "}}%{!static-libhwasan:-lhwasan}" 144 #undef LIBTSAN_EARLY_SPEC 145 #define LIBTSAN_EARLY_SPEC "%{!shared:libtsan_preinit%O%s} " \ 146 "%{static-libtsan:%{!shared:" \ 147 LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \ 148 LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}" 149 #undef LIBLSAN_EARLY_SPEC 150 #define LIBLSAN_EARLY_SPEC "%{!shared:liblsan_preinit%O%s} " \ 151 "%{static-liblsan:%{!shared:" \ 152 LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \ 153 LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}" 154 #endif 155 156 #undef TARGET_F951_OPTIONS 157 #define TARGET_F951_OPTIONS "%{!nostdinc:\ 158 %:fortran-preinclude-file(-fpre-include= math-vector-fortran.h finclude%s/)}" 159