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131
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1 /* Definitions of target machine of Andes NDS32 cpu for GNU compiler
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2 Copyright (C) 2012-2014 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 #ifdef TARGET_DEFAULT_TLSDESC_TRAMPOLINE
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33 #define NDS32_TLSDESC_TRAMPOLINE_SPEC \
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34 " %{!mno-tlsdesc-trampoline:--mtlsdesc-trampoline}"
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35 #else
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36 #define NDS32_TLSDESC_TRAMPOLINE_SPEC ""
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37 #endif
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38
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39 #define TARGET_OS_CPP_BUILTINS() \
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40 do \
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41 { \
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42 GNU_USER_TARGET_OS_CPP_BUILTINS(); \
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43 } \
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44 while (0)
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45
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46 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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47
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48 /* In the configure stage we may use options --enable-default-relax,
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49 --enable-Os-default-ifc and --enable-Os-default-ex9. They effect
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50 the default spec of passing --relax, --mifc, and --mex9 to linker.
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51 We use NDS32_RELAX_SPEC, NDS32_IFC_SPEC, and NDS32_EX9_SPEC
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52 so that we can customize them conveniently. */
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53 #define LINK_SPEC \
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54 " %{G*}" \
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55 " %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
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56 " %{shared:-shared} \
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57 %{!shared: \
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58 %{!static: \
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59 %{rdynamic:-export-dynamic} \
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60 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
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61 %{static:-static}}" \
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62 NDS32_RELAX_SPEC \
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63 NDS32_TLSDESC_TRAMPOLINE_SPEC
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64
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65 #define LINK_PIE_SPEC "%{pie:%{!fno-pie:%{!fno-PIE:%{!static:-pie}}}} "
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66
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67 #define CPP_SPEC "%{pthread:-D_REENTRANT}"
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68
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69 /* The SYNC operations are implemented as library functions, not
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70 INSN patterns. As a result, the HAVE defines for the patterns are
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71 not defined. We need to define them to generate the corresponding
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72 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* and __GCC_ATOMIC_*_LOCK_FREE
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73 defines.
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74 Ref: https://sourceware.org/ml/libc-alpha/2014-09/msg00322.html */
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75 #define HAVE_sync_compare_and_swapqi 1
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76 #define HAVE_sync_compare_and_swaphi 1
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77 #define HAVE_sync_compare_and_swapsi 1
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