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annotate gcc/config/sparc/vxworks.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
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1 /* Definitions of target machine for GNU compiler,
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2 for SPARC targeting the VxWorks run time environment.
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3 Copyright (C) 2007-2018 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 { \
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24 builtin_define ("__sparc"); \
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25 builtin_define ("CPU=SIMSPARCSOLARIS"); \
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26 VXWORKS_OS_CPP_BUILTINS (); \
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27 } \
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28 while (0)
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30 #undef SUBTARGET_OVERRIDE_OPTIONS
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31 #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
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33 #undef CPP_SUBTARGET_SPEC
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34 #define CPP_SUBTARGET_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
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36 #undef ASM_SPEC
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37 #define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)"
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38
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39 #undef LIB_SPEC
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40 #define LIB_SPEC VXWORKS_LIB_SPEC
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41 #undef LINK_SPEC
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42 #define LINK_SPEC VXWORKS_LINK_SPEC
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43 #undef STARTFILE_SPEC
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44 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
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45 #undef ENDFILE_SPEC
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46 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
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47
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48 #undef FUNCTION_PROFILER
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49 #define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER
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50
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51 /* Use standard numbered ctors/dtors sections. */
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52 #undef CTORS_SECTION_ASM_OP
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53 #undef DTORS_SECTION_ASM_OP
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54
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55 /* We cannot use PC-relative accesses for VxWorks PIC because there is no
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56 fixed gap between segments. */
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57 #undef ASM_PREFERRED_EH_DATA_FORMAT
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58
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59 /* Define this to be nonzero if static stack checking is supported. */
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60 #define STACK_CHECK_STATIC_BUILTIN 1
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61
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62 /* This platform supports the probing method of stack checking (RTP mode).
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63 8K is reserved in the stack to propagate exceptions in case of overflow. */
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64 #define STACK_CHECK_PROTECT 8192