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annotate gcc/config/darwin9.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 /* Target definitions for Darwin (Mac OS X) systems.
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2 Copyright (C) 2006-2018 Free Software Foundation, Inc.
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3 Contributed by Apple 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 /* Prefer DWARF2. */
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22 #undef PREFERRED_DEBUGGING_TYPE
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23 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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24 #define DARWIN_PREFER_DWARF
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25
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26 /* Since DWARF2 is default, conditions for running dsymutil are different. */
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27 #undef DSYMUTIL_SPEC
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28 #define DSYMUTIL_SPEC \
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29 "%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
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30 %{v} \
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31 %{g*:%{!gstabs*:%{%:debug-level-gt(0): -idsym}}}\
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32 %{.c|.cc|.C|.cpp|.cp|.c++|.cxx|.CPP|.m|.mm|.s|.f|.f90|.f95|.f03|.f77|.for|.F|.F90|.F95|.F03: \
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33 %{g*:%{!gstabs*:%{%:debug-level-gt(0): -dsym}}}}}}}}}}}"
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35 /* Tell collect2 to run dsymutil for us as necessary. */
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36 #define COLLECT_RUN_DSYMUTIL 1
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37
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38 #undef DARWIN_PIE_SPEC
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39 #define DARWIN_PIE_SPEC \
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40 "%{fpie|pie|fPIE: \
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41 %{mdynamic-no-pic: %n'-mdynamic-no-pic' overrides '-pie', '-fpie' or '-fPIE'; \
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42 :-pie}}"
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43
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44 /* Only ask as for debug data if the debug style is stabs (since as doesn't
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45 yet generate dwarf.) */
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46
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47 #undef ASM_DEBUG_SPEC
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48 #define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):%{gstabs:--gstabs}}}"
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50 #undef ASM_OUTPUT_ALIGNED_COMMON
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51 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
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52 do { \
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53 unsigned HOST_WIDE_INT _new_size = (SIZE); \
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54 fprintf ((FILE), "\t.comm "); \
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55 assemble_name ((FILE), (NAME)); \
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56 if (_new_size == 0) _new_size = 1; \
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57 fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
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58 _new_size, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
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59 } while (0)
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60
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61 #undef DEF_MIN_OSX_VERSION
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62 #define DEF_MIN_OSX_VERSION "10.5"
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63
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64 #undef STACK_CHECK_STATIC_BUILTIN
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65 #define STACK_CHECK_STATIC_BUILTIN 1