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1 /* Definitions of target machine of Andes NDS32 cpu for GNU compiler
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2 Copyright (C) 2012-2020 Free Software Foundation, Inc.
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3 Contributed by Andes Technology Corporation.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published
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9 by the Free Software Foundation; either version 3, or (at your
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10 option) any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21
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22 /* ------------------------------------------------------------------------ */
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23
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24 #define TARGET_LINUX_ABI 1
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25
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26 #undef SIZE_TYPE
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27 #define SIZE_TYPE "unsigned int"
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28
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29 #undef PTRDIFF_TYPE
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30 #define PTRDIFF_TYPE "int"
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31
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32 #define TARGET_OS_CPP_BUILTINS() \
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33 do \
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34 { \
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35 GNU_USER_TARGET_OS_CPP_BUILTINS(); \
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36 } \
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37 while (0)
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38
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39 #ifdef TARGET_BIG_ENDIAN_DEFAULT
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40 #define LD_SO_ENDIAN_SPEC "%{mlittle-endian:le}%{!mlittle-endian:be}"
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41 #else
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42 #define LD_SO_ENDIAN_SPEC "%{mbig-endian:be}%{!mbig-endian:le}"
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43 #endif
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44
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45 /* Record arch version in TARGET_ARCH_DEFAULT.
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46 0 means soft ABI;
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47 1 means hard ABI and using full floating-point instruction;
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48 2 means hard ABI and only using single-precision floating-point
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49 instruction. */
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50 #if TARGET_ARCH_DEFAULT
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51 #define LD_SO_ABI_SPEC "%{!mabi=2:f}"
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52 #else
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53 #define LD_SO_ABI_SPEC "%{mabi=2fp+:f}"
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54 #endif
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55
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56 #define GLIBC_DYNAMIC_LINKER \
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57 "/lib/ld-linux-nds32" LD_SO_ENDIAN_SPEC LD_SO_ABI_SPEC ".so.1"
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58
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59 /* In the configure stage we may use options --enable-default-relax,
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60 --enable-Os-default-ifc and --enable-Os-default-ex9. They effect
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61 the default spec of passing --relax, --mifc, and --mex9 to linker.
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62 We use NDS32_RELAX_SPEC, NDS32_IFC_SPEC, and NDS32_EX9_SPEC
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63 so that we can customize them conveniently. */
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64 #define LINK_SPEC \
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65 " %{G*}" \
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66 " %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
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67 " %{shared:-shared} \
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68 %{!shared: \
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69 %{!static: \
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70 %{rdynamic:-export-dynamic} \
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71 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
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72 %{static:-static}}" \
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73 NDS32_RELAX_SPEC
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74
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75 #define LINK_PIE_SPEC "%{pie:%{!fno-pie:%{!fno-PIE:%{!static:-pie}}}} "
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76
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77 #define CPP_SPEC "%{pthread:-D_REENTRANT}"
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78
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79 /* The SYNC operations are implemented as library functions, not
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80 INSN patterns. As a result, the HAVE defines for the patterns are
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81 not defined. We need to define them to generate the corresponding
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82 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* and __GCC_ATOMIC_*_LOCK_FREE
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83 defines.
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84 Ref: https://sourceware.org/ml/libc-alpha/2014-09/msg00322.html */
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85 #define HAVE_sync_compare_and_swapqi 1
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86 #define HAVE_sync_compare_and_swaphi 1
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87 #define HAVE_sync_compare_and_swapsi 1
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