1 /* Glibc support needed only by D front-end. 2 Copyright (C) 2017-2019 Free Software Foundation, Inc. 3 4 GCC is free software; you can redistribute it and/or modify it under 5 the terms of the GNU General Public License as published by the Free 6 Software Foundation; either version 3, or (at your option) any later 7 version. 8 9 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with GCC; see the file COPYING3. If not see 16 <http://www.gnu.org/licenses/>. */ 17 18 #include "config.h" 19 #include "system.h" 20 #include "coretypes.h" 21 #include "tm.h" 22 #include "memmodel.h" 23 #include "tm_p.h" 24 #include "d/d-target.h" 25 #include "d/d-target-def.h" 26 27 /* Implement TARGET_D_OS_VERSIONS for Glibc targets. */ 28 29 static void glibc_d_os_builtins(void)30glibc_d_os_builtins (void) 31 { 32 d_add_builtin_version ("Posix"); 33 34 #define builtin_version(TXT) d_add_builtin_version (TXT) 35 36 #ifdef GNU_USER_TARGET_D_OS_VERSIONS 37 GNU_USER_TARGET_D_OS_VERSIONS (); 38 #endif 39 40 #ifdef EXTRA_TARGET_D_OS_VERSIONS 41 EXTRA_TARGET_D_OS_VERSIONS (); 42 #endif 43 } 44 45 /* Implement TARGET_D_CRITSEC_SIZE for Glibc targets. */ 46 47 static unsigned glibc_d_critsec_size(void)48glibc_d_critsec_size (void) 49 { 50 /* This is the sizeof pthread_mutex_t. */ 51 #ifdef GNU_USER_TARGET_D_CRITSEC_SIZE 52 return GNU_USER_TARGET_D_CRITSEC_SIZE; 53 #else 54 return (POINTER_SIZE == 64) ? 40 : 24; 55 #endif 56 } 57 58 #undef TARGET_D_OS_VERSIONS 59 #define TARGET_D_OS_VERSIONS glibc_d_os_builtins 60 61 #undef TARGET_D_CRITSEC_SIZE 62 #define TARGET_D_CRITSEC_SIZE glibc_d_critsec_size 63 64 struct gcc_targetdm targetdm = TARGETDM_INITIALIZER; 65