gcc/config/glibc-d.c

   1 /* Glibc support needed only by D front-end.
   2    Copyright (C) 2017-2018 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
  30 glibc_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
  48 glibc_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;