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1 /* Specs definitions for Atmel AVR back end.
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2
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3 Copyright (C) 2012-2018 Free Software Foundation, Inc.
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4 Contributed by Georg-Johann Lay (avr@gjlay.de)
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 3, or (at your option)
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11 any later version.
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12
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13 GCC is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22
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23 /* Default specs layout. The actual definitions might be superseeded
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24 by device- or OS- specific files, like avrlibc.h, ../rtems.h, etc.
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25 The specs are repeated in the device specs files. Subspecs are
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26 specs known to GCC or specs defined in the device specs files. */
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27
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28
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29 #undef CPLUSPLUS_CPP_SPEC
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30 #define CPLUSPLUS_CPP_SPEC \
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31 "%(cpp)"
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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 "%(cc1_n_flash) " \
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36 "%(cc1_errata_skip) " \
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37 "%(cc1_rmw) " \
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38 "%(cc1_absdata) "
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39
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40 #undef CC1PLUS_SPEC
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41 #define CC1PLUS_SPEC \
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42 "%(cc1) " \
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43 "%{!frtti:-fno-rtti} " \
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44 "%{!fenforce-eh-specs:-fno-enforce-eh-specs} " \
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45 "%{!fexceptions:-fno-exceptions} "
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46
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47 #define ASM_RELAX_SPEC \
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48 "%{mrelax:--mlink-relax} "
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49
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50 #undef ASM_SPEC
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51 #define ASM_SPEC \
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52 "%(asm_arch) " \
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53 "%(asm_relax) " \
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54 "%(asm_rmw) " \
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55 "%(asm_gccisr) " \
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56 "%(asm_errata_skip) "
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57
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58 #define LINK_ARCH_SPEC \
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59 "%{mmcu=*:-m%*} "
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60
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61 #define LINK_RELAX_SPEC \
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62 "%{mrelax:--relax} "
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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 "%(link_arch) " \
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67 "%(link_data_start) " \
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68 "%(link_text_start) " \
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69 "%(link_relax) " \
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70 "%(link_pmem_wrap) " \
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71 "%{shared:%eshared is not supported} "
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72
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73 #undef LIB_SPEC
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74 #define LIB_SPEC " %{!mmcu=avr1:-lc} "
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75
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76 #undef LIBGCC_SPEC
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77 #define LIBGCC_SPEC " %{!mmcu=avr1:-lgcc} "
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78
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79 #define STARTFILE_SPEC ""
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80 #define ENDFILE_SPEC ""
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