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1 /* Xtensa uClinux configuration.
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2 Derived from the configuration for GCC for Intel i386 running Linux.
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131
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3 Copyright (C) 2001-2018 Free Software Foundation, Inc.
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111
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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 under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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 #undef TARGET_OS_CPP_BUILTINS
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22 #define TARGET_OS_CPP_BUILTINS() \
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23 do \
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24 { \
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25 GNU_USER_TARGET_OS_CPP_BUILTINS (); \
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26 builtin_define ("__uClinux__"); \
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27 } \
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28 while (0)
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29
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30 #undef SUBTARGET_CPP_SPEC
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31 #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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32
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33 #undef SIZE_TYPE
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34 #define SIZE_TYPE "unsigned int"
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35
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36 #undef PTRDIFF_TYPE
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37 #define PTRDIFF_TYPE "int"
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38
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39 #undef WCHAR_TYPE
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40 #define WCHAR_TYPE "long int"
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41
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42 #undef WCHAR_TYPE_SIZE
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43 #define WCHAR_TYPE_SIZE 32
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44
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45 #undef ASM_SPEC
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46 #define ASM_SPEC \
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47 "%{mtext-section-literals:--text-section-literals} \
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48 %{mno-text-section-literals:--no-text-section-literals} \
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49 %{mtarget-align:--target-align} \
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50 %{mno-target-align:--no-target-align} \
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51 %{mlongcalls:--longcalls} \
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52 %{mno-longcalls:--no-longcalls} \
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53 %{mauto-litpools:--auto-litpools} \
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54 %{mno-auto-litpools:--no-auto-litpools}"
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55
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56 #undef LINK_SPEC
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57 #define LINK_SPEC "%{!no-elf2flt:%{!elf2flt*:-elf2flt}}"
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58
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59 #undef LOCAL_LABEL_PREFIX
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60 #define LOCAL_LABEL_PREFIX "."
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61
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62 /* Always enable "-fpic" for Xtensa Linux. */
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63 #define XTENSA_ALWAYS_PIC 1
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64
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65 #undef TARGET_LIBC_HAS_FUNCTION
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66 #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
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67
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68 #undef DBX_REGISTER_NUMBER
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69
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