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1 /* Definitions of target machine for GNU compiler,
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2 for Alpha NetBSD systems.
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145
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3 Copyright (C) 1998-2020 Free Software Foundation, Inc.
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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
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public 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 #define TARGET_OS_CPP_BUILTINS() \
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22 do { \
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23 NETBSD_OS_CPP_BUILTINS_ELF(); \
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24 } while (0)
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25
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26
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27 /* NetBSD doesn't use the LANGUAGE* built-ins. */
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28 #undef SUBTARGET_LANGUAGE_CPP_BUILTINS
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29 #define SUBTARGET_LANGUAGE_CPP_BUILTINS() /* nothing */
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30
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31
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32 /* Show that we need a GP when profiling. */
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33 #undef TARGET_PROFILING_NEEDS_GP
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34 #define TARGET_PROFILING_NEEDS_GP 1
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35
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36
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37 /* Provide a CPP_SPEC appropriate for NetBSD/alpha. We use
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38 this to pull in CPP specs that all NetBSD configurations need. */
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39
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40 #undef CPP_SPEC
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41 #define CPP_SPEC NETBSD_CPP_SPEC
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42
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43 #undef EXTRA_SPECS
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44 #define EXTRA_SPECS \
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45 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
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46 { "netbsd_entry_point", NETBSD_ENTRY_POINT }, \
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47 { "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC },
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48
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49
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50 /* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. */
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51
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52 #undef LINK_SPEC
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53 #define LINK_SPEC \
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54 "%{G*} %{relax:-relax} \
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55 %{O*:-O3} %{!O*:-O1} \
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56 %(netbsd_link_spec)"
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57
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58 #define NETBSD_ENTRY_POINT "__start"
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59
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60
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61 /* Provide an ENDFILE_SPEC appropriate for NetBSD/alpha ELF. Here we
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62 add crtend.o, which provides part of the support for getting
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63 C++ file-scope static objects deconstructed after exiting "main".
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64
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65 We also need to handle the GCC option `-ffast-math'. */
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66
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67 #undef ENDFILE_SPEC
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68 #define ENDFILE_SPEC \
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111
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69 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfm%O%s} \
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70 %(netbsd_endfile_spec)"
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71
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111
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72 #define HAVE_ENABLE_EXECUTE_STACK
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