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annotate gcc/config/glibc-d.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* Glibc support needed only by D front-end.
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2 Copyright (C) 2017-2020 Free Software Foundation, Inc.
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3
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4 GCC is free software; you can redistribute it and/or modify it under
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5 the terms of the GNU General Public License as published by the Free
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6 Software Foundation; either version 3, or (at your option) any later
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7 version.
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8
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9 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with GCC; see the file COPYING3. If not see
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16 <http://www.gnu.org/licenses/>. */
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17
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18 #include "config.h"
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19 #include "system.h"
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20 #include "coretypes.h"
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21 #include "tm.h"
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22 #include "memmodel.h"
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23 #include "tm_p.h"
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24 #include "d/d-target.h"
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25 #include "d/d-target-def.h"
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26
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27 /* Implement TARGET_D_OS_VERSIONS for Glibc targets. */
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28
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29 static void
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30 glibc_d_os_builtins (void)
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31 {
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32 d_add_builtin_version ("Posix");
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33
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34 #define builtin_version(TXT) d_add_builtin_version (TXT)
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35
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36 #ifdef GNU_USER_TARGET_D_OS_VERSIONS
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37 GNU_USER_TARGET_D_OS_VERSIONS ();
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38 #endif
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39
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40 #ifdef EXTRA_TARGET_D_OS_VERSIONS
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41 EXTRA_TARGET_D_OS_VERSIONS ();
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42 #endif
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43 }
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44
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45 /* Implement TARGET_D_CRITSEC_SIZE for Glibc targets. */
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46
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47 static unsigned
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48 glibc_d_critsec_size (void)
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49 {
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50 /* This is the sizeof pthread_mutex_t. */
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51 #ifdef GNU_USER_TARGET_D_CRITSEC_SIZE
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52 return GNU_USER_TARGET_D_CRITSEC_SIZE;
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53 #else
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54 return (POINTER_SIZE == 64) ? 40 : 24;
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55 #endif
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56 }
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57
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58 #undef TARGET_D_OS_VERSIONS
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59 #define TARGET_D_OS_VERSIONS glibc_d_os_builtins
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60
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61 #undef TARGET_D_CRITSEC_SIZE
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62 #define TARGET_D_CRITSEC_SIZE glibc_d_critsec_size
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63
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64 struct gcc_targetdm targetdm = TARGETDM_INITIALIZER;