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1 /* Definitions for AArch64 running FreeBSD
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2 Copyright (C) 2016-2018 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 it
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7 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, but
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12 WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 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 #ifndef GCC_AARCH64_FREEBSD_H
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21 #define GCC_AARCH64_FREEBSD_H
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22
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23 #undef SUBTARGET_CPP_SPEC
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24 #define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
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25
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26 #if TARGET_BIG_ENDIAN_DEFAULT
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27 #define TARGET_LINKER_EMULATION "aarch64fbsdb"
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28 #else
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29 #define TARGET_LINKER_EMULATION "aarch64fbsd"
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30 #endif
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31
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32 #undef SUBTARGET_EXTRA_LINK_SPEC
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33 #define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
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34
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35 #undef FBSD_TARGET_LINK_SPEC
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36 #define FBSD_TARGET_LINK_SPEC " \
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37 %{p:%nconsider using `-pg' instead of `-p' with gprof (1) } \
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38 %{v:-V} \
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39 %{assert*} %{R*} %{rpath*} %{defsym*} \
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40 %{shared:-Bshareable %{h*} %{soname*}} \
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41 %{symbolic:-Bsymbolic} \
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42 %{static:-Bstatic} \
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43 %{!static: \
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44 %{rdynamic:-export-dynamic} \
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45 %{!shared:-dynamic-linker " FBSD_DYNAMIC_LINKER " }} \
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46 -X" SUBTARGET_EXTRA_LINK_SPEC " \
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47 %{mbig-endian:-EB} %{mlittle-endian:-EL}"
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48
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49 #if TARGET_FIX_ERR_A53_835769_DEFAULT
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50 #define CA53_ERR_835769_SPEC \
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51 " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}"
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52 #else
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53 #define CA53_ERR_835769_SPEC \
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54 " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}"
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55 #endif
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56
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57 #ifdef TARGET_FIX_ERR_A53_843419_DEFAULT
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58 #define CA53_ERR_843419_SPEC \
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59 " %{!mno-fix-cortex-a53-843419:--fix-cortex-a53-843419}"
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60 #else
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61 #define CA53_ERR_843419_SPEC \
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62 " %{mfix-cortex-a53-843419:--fix-cortex-a53-843419}"
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63 #endif
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64
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65 #undef LINK_SPEC
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66 #define LINK_SPEC FBSD_TARGET_LINK_SPEC \
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67 CA53_ERR_835769_SPEC \
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68 CA53_ERR_843419_SPEC
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69
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70 #define GNU_USER_TARGET_MATHFILE_SPEC \
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71 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
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72
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73 #undef ENDFILE_SPEC
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74 #define ENDFILE_SPEC \
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75 GNU_USER_TARGET_MATHFILE_SPEC " " \
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76 FBSD_ENDFILE_SPEC
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77
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78 #undef TARGET_OS_CPP_BUILTINS
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79 #define TARGET_OS_CPP_BUILTINS() \
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80 do \
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81 { \
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82 FBSD_TARGET_OS_CPP_BUILTINS (); \
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83 } \
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84 while (false)
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85
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86 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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87
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88 /* Uninitialized common symbols in non-PIE executables, even with
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89 strong definitions in dependent shared libraries, will resolve
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90 to COPY relocated symbol in the executable. See PR65780. */
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91 #undef TARGET_BINDS_LOCAL_P
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92 #define TARGET_BINDS_LOCAL_P default_binds_local_p_2
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93
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94 /* Use the AAPCS type for wchar_t, override the one from
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95 config/freebsd.h. */
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96 #undef WCHAR_TYPE
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97 #define WCHAR_TYPE "unsigned int"
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98
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99 #undef MCOUNT_NAME
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100 #define MCOUNT_NAME ".mcount"
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101
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102 #endif /* GCC_AARCH64_FREEBSD_H */
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