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1 /* Definitions for SH running NetBSD using ELF
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131
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2 Copyright (C) 2002-2018 Free Software Foundation, Inc.
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3 Contributed by Wasabi Systems, 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 /* Run-time Target Specification. */
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22
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23 /* Extra specs needed for NetBSD SuperH ELF targets. */
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24
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25 #undef SUBTARGET_EXTRA_SPECS
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26 #define SUBTARGET_EXTRA_SPECS \
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27 { "netbsd_entry_point", NETBSD_ENTRY_POINT },
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28
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29
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30 #define TARGET_OS_CPP_BUILTINS() \
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31 do \
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32 { \
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33 NETBSD_OS_CPP_BUILTINS_ELF(); \
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34 builtin_define ("__NO_LEADING_UNDERSCORES__"); \
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35 } \
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36 while (0)
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37
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38 /* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
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39 We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
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40 SUBTARGET_LINK_SPEC that pulls in what we need from a generic
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41 NetBSD ELF LINK_SPEC. */
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42
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43 /* LINK_EMUL_PREFIX from sh/elf.h */
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44 #undef SUBTARGET_LINK_EMUL_SUFFIX
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45 #define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"
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46
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47 #undef SUBTARGET_LINK_SPEC
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48 #define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF
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49
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50 #undef LINK_SPEC
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51 #define LINK_SPEC SH_LINK_SPEC
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52
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53 #define NETBSD_ENTRY_POINT "__start"
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54
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55 /* Provide a CPP_SPEC appropriate for NetBSD. */
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56 #undef SUBTARGET_CPP_SPEC
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57 #define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
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58
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59 #undef TARGET_DEFAULT
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60 #define TARGET_DEFAULT \
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111
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61 (TARGET_CPU_DEFAULT | TARGET_ENDIAN_DEFAULT)
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0
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62
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63 /* Define because we use the label and we do not need them. */
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64 #define NO_PROFILE_COUNTERS 1
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65
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66 #undef FUNCTION_PROFILER
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67 #define FUNCTION_PROFILER(STREAM,LABELNO) \
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68 do \
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69 { \
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70 fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n", \
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71 LOCAL_LABEL_PREFIX, (LABELNO)); \
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72 fprintf((STREAM), "\tmova\t%sLP%dr,r0\n", \
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73 LOCAL_LABEL_PREFIX, (LABELNO)); \
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74 fprintf((STREAM), "\tjmp\t@r1\n"); \
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75 fprintf((STREAM), "\tnop\n"); \
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76 fprintf((STREAM), "\t.align\t2\n"); \
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77 fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n", \
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78 LOCAL_LABEL_PREFIX, (LABELNO)); \
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79 fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO)); \
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80 } \
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81 while (0)
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82
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111
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83 #undef SUBTARGET_OVERRIDE_OPTIONS
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84 #define SUBTARGET_OVERRIDE_OPTIONS \
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85 do \
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86 { \
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87 /* Set -musermode if it hasn't been specified. */ \
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88 if (global_options_set.x_TARGET_USERMODE == 0) \
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89 TARGET_USERMODE = true; \
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90 } \
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91 while (0)
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