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1 /* Definitions for RISC-V GNU/Linux systems with ELF format.
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2 Copyright (C) 1998-2017 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #define TARGET_OS_CPP_BUILTINS() \
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21 do { \
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22 GNU_USER_TARGET_OS_CPP_BUILTINS(); \
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23 } while (0)
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24
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25 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-riscv" XLEN_SPEC "-" ABI_SPEC ".so.1"
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26
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27 /* Because RISC-V only has word-sized atomics, it requries libatomic where
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28 others do not. So link libatomic by default, as needed. */
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29 #undef LIB_SPEC
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30 #ifdef LD_AS_NEEDED_OPTION
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31 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC \
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32 " %{pthread:" LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION "}"
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33 #else
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34 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC " -latomic "
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35 #endif
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36
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37 #define LINK_SPEC "\
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38 -melf" XLEN_SPEC "lriscv \
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39 %{shared} \
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40 %{!shared: \
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41 %{!static: \
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42 %{rdynamic:-export-dynamic} \
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43 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
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44 %{static:-static}}"
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