gcc/config/linux-d.cc

   1 /* Linux support needed only by D front-end.
   2    Copyright (C) 2017-2023 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 "tm_d.h"
  23 #include "d/d-target.h"
  24 #include "d/d-target-def.h"
  25
  26 /* Implement TARGET_D_OS_VERSIONS for Linux targets.  */
  27
  28 static void
  29 linux_d_os_builtins (void)
  30 {
  31   d_add_builtin_version ("Posix");
  32
  33   d_add_builtin_version ("linux");
  34 #ifdef TARGET_ANDROID
  35   if (TARGET_ANDROID)
  36     d_add_builtin_version ("Android");
  37 #endif
  38
  39   if (OPTION_GLIBC)
  40     d_add_builtin_version ("CRuntime_Glibc");
  41   else if (OPTION_UCLIBC)
  42     d_add_builtin_version ("CRuntime_UClibc");
  43   else if (OPTION_BIONIC)
  44     d_add_builtin_version ("CRuntime_Bionic");
  45   else if (OPTION_MUSL)
  46     d_add_builtin_version ("CRuntime_Musl");
  47 }
  48
  49 /* Handle a call to `__traits(getTargetInfo, "objectFormat")'.  */
  50
  51 static tree
  52 linux_d_handle_target_object_format (void)
  53 {
  54   const char *objfmt = "elf";
  55
  56   return build_string_literal (strlen (objfmt) + 1, objfmt);
  57 }
  58
  59 /* Implement TARGET_D_REGISTER_OS_TARGET_INFO for Linux targets.  */
  60
  61 static void
  62 linux_d_register_target_info (void)
  63 {
  64   const struct d_target_info_spec handlers[] = {
  65     { "objectFormat", linux_d_handle_target_object_format },
  66     { NULL, NULL },
  67   };
  68
  69   d_add_target_info_handlers (handlers);
  70 }
  71
  72 #undef TARGET_D_OS_VERSIONS
  73 #define TARGET_D_OS_VERSIONS linux_d_os_builtins
  74
  75 #undef TARGET_D_REGISTER_OS_TARGET_INFO
  76 #define TARGET_D_REGISTER_OS_TARGET_INFO linux_d_register_target_info
  77
  78 struct gcc_targetdm targetdm = TARGETDM_INITIALIZER;