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annotate gcc/config/csky/csky-elf.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
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131
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1 /* Declarations for bare-metal C-SKY targets.
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2 Copyright (C) 2018 Free Software Foundation, Inc.
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3 Contributed by C-SKY Microsystems and Mentor Graphics.
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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 * Run-time Target Specification *
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24 ******************************************************************/
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25
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26 #undef STARTFILE_SPEC
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27 #define STARTFILE_SPEC \
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28 "crt0.o%s crti.o%s crtbegin.o%s"
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29
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30 #undef ENDFILE_SPEC
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31 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
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32
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33 #undef CC1_SPEC
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34 #define CC1_SPEC \
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35 "%{EB:-EB} \
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36 %{EL:-EL} \
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37 %{fpic|fPIC:-DPIC} \
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38 %{march=ck803s:-march=ck803} \
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39 "
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40
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41 #undef ASM_SPEC
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42 #define ASM_SPEC \
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43 "%{mbig-endian:-mbig-endian} \
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44 %{EB:-EB} \
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45 %{EL:-EL} \
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46 %{fpic|fPIC:-pic} \
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47 %{mcpu=*:-mcpu=%*} \
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48 %{march=*:-march=%*} \
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49 %{mhard-float:-mhard-float} \
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50 %{melrw:-melrw} \
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51 %{mno-elrw:-mno-elrw} \
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52 %{mistack:-mistack} \
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53 %{mno-istack:-mno-istack} \
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54 %{mmp:-mmp} \
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55 %{mcp:-mcp} \
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56 %{mcache:-mcache} \
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57 %{msecurity|mmac:-msecurity} \
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58 %{mtrust:-mtrust} \
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59 %{mdsp:-mdsp} \
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60 %{medsp:-medsp} \
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61 %{mvdsp:-mvdsp} \
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62 "
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63
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64 #undef LINK_SPEC
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65 #define LINK_SPEC \
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66 "%{mbig-endian:-EB} \
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67 %{EB:-EB} \
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68 %{EL:-EL} -X"
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69
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70 #undef LIB_SPEC
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71 #define LIB_SPEC \
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72 "%{pthread:-lpthread} -lc %{mccrt:-lcc-rt}"
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73 /* FIXME add this to LIB_SPEC when need */
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74 /* %{!shared:%{profile:-lc_p}%{!profile:-lc}}" */
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75
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76
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77 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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78
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79 /* Disable features only for Linux toolchains. */
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80 #undef TARGET_POSIX_IO
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81 #define TARGET_CSKY_LINUX 0