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1 /* Definitions of target machine for GCC,
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2 for x86-64/ELF NetBSD systems.
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3 Copyright (C) 2002-2018 Free Software Foundation, Inc.
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4 Contributed by Wasabi Systems, Inc.
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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 #define TARGET_OS_CPP_BUILTINS() \
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23 do \
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24 { \
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25 NETBSD_OS_CPP_BUILTINS_ELF(); \
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26 } \
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27 while (0)
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28
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29
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30 /* Extra specs needed for NetBSD/x86-64 ELF. */
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31
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32 #undef SUBTARGET_EXTRA_SPECS
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33 #define SUBTARGET_EXTRA_SPECS \
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34 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
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35 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
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36 { "netbsd_entry_point", NETBSD_ENTRY_POINT },
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37
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38
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39 /* Provide a LINK_SPEC appropriate for a NetBSD/x86-64 ELF target. */
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40
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41 #undef LINK_SPEC
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42 #define LINK_SPEC \
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43 "%{m32:-m elf_i386} \
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44 %{m64:-m elf_x86_64} \
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45 %(netbsd_link_spec)"
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46
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47 #define NETBSD_ENTRY_POINT "_start"
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48
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49
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50 /* Provide a CPP_SPEC appropriate for NetBSD. */
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51
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52 #undef CPP_SPEC
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53 #define CPP_SPEC "%(netbsd_cpp_spec)"
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54
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55
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56 /* Output assembler code to FILE to call the profiler. */
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57
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58 #undef FUNCTION_PROFILER
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59 #define FUNCTION_PROFILER(FILE, LABELNO) \
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60 { \
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61 if (TARGET_64BIT && flag_pic) \
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62 fprintf (FILE, "\tcall *__mcount@PLT\n"); \
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63 else if (flag_pic) \
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64 fprintf (FILE, "\tcall *__mcount@PLT\n"); \
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65 else \
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66 fprintf (FILE, "\tcall __mcount\n"); \
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67 }
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68
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111
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69 #define HAVE_ENABLE_EXECUTE_STACK
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