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1 /* Definitions for systems using, at least optionally, a GNU
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2 (glibc-based) userspace or other userspace with libc derived from
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3 glibc (e.g. uClibc) or for which similar specs are appropriate.
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131
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4 Copyright (C) 1995-2018 Free Software Foundation, Inc.
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5 Contributed by Eric Youngdale.
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6 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
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7
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8 This file is part of GCC.
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9
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10 GCC is free software; you can redistribute it and/or modify
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11 it under the terms of the GNU General Public License as published by
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12 the Free Software Foundation; either version 3, or (at your option)
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13 any later version.
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14
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15 GCC is distributed in the hope that it will be useful,
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16 but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 GNU General Public License for more details.
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19
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20 Under Section 7 of GPL version 3, you are granted additional
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21 permissions described in the GCC Runtime Library Exception, version
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22 3.1, as published by the Free Software Foundation.
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23
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24 You should have received a copy of the GNU General Public License and
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25 a copy of the GCC Runtime Library Exception along with this program;
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26 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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27 <http://www.gnu.org/licenses/>. */
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28
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29 #undef ASM_APP_ON
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30 #define ASM_APP_ON "#APP\n"
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31
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32 #undef ASM_APP_OFF
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33 #define ASM_APP_OFF "#NO_APP\n"
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34
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35 #if ENABLE_OFFLOADING == 1
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36 #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
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37 #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
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38 #else
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39 #define CRTOFFLOADBEGIN ""
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40 #define CRTOFFLOADEND ""
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41 #endif
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42
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43 /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add
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44 the GNU userspace magical crtbegin.o file (see crtstuff.c) which
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45 provides part of the support for getting C++ file-scope static
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46 object constructed before entering `main'. */
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47
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48 #if defined HAVE_LD_PIE
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49 #define GNU_USER_TARGET_STARTFILE_SPEC \
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50 "%{shared:; \
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51 pg|p|profile:%{static-pie:grcrt1.o%s;:gcrt1.o%s}; \
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52 static:crt1.o%s; \
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53 static-pie:rcrt1.o%s; \
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54 " PIE_SPEC ":Scrt1.o%s; \
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55 :crt1.o%s} \
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56 crti.o%s \
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57 %{static:crtbeginT.o%s; \
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58 shared|static-pie|" PIE_SPEC ":crtbeginS.o%s; \
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59 :crtbegin.o%s} \
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60 %{fvtable-verify=none:%s; \
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61 fvtable-verify=preinit:vtv_start_preinit.o%s; \
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62 fvtable-verify=std:vtv_start.o%s} \
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63 " CRTOFFLOADBEGIN
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64 #else
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65 #define GNU_USER_TARGET_STARTFILE_SPEC \
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66 "%{shared:; \
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67 pg|p|profile:gcrt1.o%s; \
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68 :crt1.o%s} \
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69 crti.o%s \
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70 %{static:crtbeginT.o%s; \
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71 shared|pie|static-pie:crtbeginS.o%s; \
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72 :crtbegin.o%s} \
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73 %{fvtable-verify=none:%s; \
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74 fvtable-verify=preinit:vtv_start_preinit.o%s; \
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75 fvtable-verify=std:vtv_start.o%s} \
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76 " CRTOFFLOADBEGIN
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77 #endif
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78 #undef STARTFILE_SPEC
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79 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
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80
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81 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on
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82 the GNU userspace magical crtend.o file (see crtstuff.c) which
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83 provides part of the support for getting C++ file-scope static
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84 object constructed before entering `main', followed by a normal
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85 GNU userspace "finalizer" file, `crtn.o'. */
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86
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111
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87 #if defined HAVE_LD_PIE
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88 #define GNU_USER_TARGET_ENDFILE_SPEC \
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111
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89 "%{fvtable-verify=none:%s; \
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90 fvtable-verify=preinit:vtv_end_preinit.o%s; \
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91 fvtable-verify=std:vtv_end.o%s} \
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92 %{static:crtend.o%s; \
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93 shared|static-pie|" PIE_SPEC ":crtendS.o%s; \
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94 :crtend.o%s} \
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95 crtn.o%s \
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96 " CRTOFFLOADEND
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97 #else
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98 #define GNU_USER_TARGET_ENDFILE_SPEC \
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99 "%{fvtable-verify=none:%s; \
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100 fvtable-verify=preinit:vtv_end_preinit.o%s; \
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101 fvtable-verify=std:vtv_end.o%s} \
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102 %{static:crtend.o%s; \
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103 shared|pie|static-pie:crtendS.o%s; \
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104 :crtend.o%s} \
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105 crtn.o%s \
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106 " CRTOFFLOADEND
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|
107 #endif
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108 #undef ENDFILE_SPEC
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109 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
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110
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111 /* This is for -profile to use -lc_p instead of -lc. */
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112 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
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113 #ifndef CC1_SPEC
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114 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
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115 #endif
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116
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117 /* The GNU C++ standard library requires that these macros be defined. */
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118 #undef CPLUSPLUS_CPP_SPEC
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119 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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120
|
111
|
121 #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
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|
122 "%{shared:-lc} \
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131
|
123 %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
|
111
|
124
|
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125 #define GNU_USER_TARGET_LIB_SPEC \
|
111
|
126 "%{pthread:-lpthread} " \
|
|
127 GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
|
|
128
|
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129 #undef LIB_SPEC
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130 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
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131
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132 #if defined(HAVE_LD_EH_FRAME_HDR)
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111
|
133 #define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
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134 #endif
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135
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136 #undef LINK_GCC_C_SEQUENCE_SPEC
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137 #define LINK_GCC_C_SEQUENCE_SPEC \
|
131
|
138 "%{static|static-pie:--start-group} %G %{!nolibc:%L} \
|
111
|
139 %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}"
|
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140
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141 /* Use --as-needed -lgcc_s for eh support. */
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142 #ifdef HAVE_LD_AS_NEEDED
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143 #define USE_LD_AS_NEEDED 1
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144 #endif
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145
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146 #define TARGET_POSIX_IO
|
111
|
147
|
|
148 #undef TARGET_LIBC_HAS_FUNCTION
|
|
149 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
|
|
150
|
|
151 /* Link -lasan early on the command line. For -static-libasan, don't link
|
|
152 it for -shared link, the executable should be compiled with -static-libasan
|
|
153 in that case, and for executable link with --{,no-}whole-archive around
|
|
154 it to force everything into the executable. And similarly for -ltsan
|
|
155 and -llsan. */
|
|
156 #if defined(HAVE_LD_STATIC_DYNAMIC)
|
|
157 #undef LIBASAN_EARLY_SPEC
|
|
158 #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
|
|
159 "%{static-libasan:%{!shared:" \
|
|
160 LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
|
|
161 LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
|
|
162 #undef LIBTSAN_EARLY_SPEC
|
|
163 #define LIBTSAN_EARLY_SPEC "%{!shared:libtsan_preinit%O%s} " \
|
|
164 "%{static-libtsan:%{!shared:" \
|
|
165 LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
|
|
166 LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
|
|
167 #undef LIBLSAN_EARLY_SPEC
|
|
168 #define LIBLSAN_EARLY_SPEC "%{!shared:liblsan_preinit%O%s} " \
|
|
169 "%{static-liblsan:%{!shared:" \
|
|
170 LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
|
|
171 LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
|
|
172 #endif
|