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       1                 :             : /* This file contains the definitions and documentation for the
       2                 :             :    coroutines builtins used in GCC.
       3                 :             : 
       4                 :             :    Copyright (C) 2018-2024 Free Software Foundation, Inc.
       5                 :             : 
       6                 :             :  Contributed by Iain Sandoe <iain@sandoe.co.uk> under contract to Facebook.
       7                 :             : 
       8                 :             : This file is part of GCC.
       9                 :             : 
      10                 :             : GCC is free software; you can redistribute it and/or modify it under
      11                 :             : the terms of the GNU General Public License as published by the Free
      12                 :             : Software Foundation; either version 3, or (at your option) any later
      13                 :             : version.
      14                 :             : 
      15                 :             : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      16                 :             : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      17                 :             : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      18                 :             : for more details.
      19                 :             : 
      20                 :             : You should have received a copy of the GNU General Public License
      21                 :             : along with GCC; see the file COPYING3.  If not see
      22                 :             : <http://www.gnu.org/licenses/>.  */
      23                 :             : 
      24                 :             : /* Before including this file, you should define a macro:
      25                 :             : 
      26                 :             :      DEF_BUILTIN_STUB(ENUM, NAME)
      27                 :             :      DEF_COROUTINE_BUILTIN (ENUM, NAME, TYPE, ATTRS)
      28                 :             : 
      29                 :             :    See builtins.def for details.
      30                 :             :    The builtins are created used by library implementations of C++
      31                 :             :    coroutines.  */
      32                 :             : 
      33                 :             : /* This has to come before all the coroutine builtins.  */
      34                 :      229149 : DEF_BUILTIN_STUB (BEGIN_COROUTINE_BUILTINS, (const char *) 0)
      35                 :             : 
      36                 :             : /* These are the builtins that are externally-visible and used by the
      37                 :             :    standard library implementation of the coroutine header.  */
      38                 :             : 
      39                 :      229149 : DEF_COROUTINE_BUILTIN (BUILT_IN_CORO_PROMISE, "promise",
      40                 :             :                        BT_FN_PTR_PTR_CONST_SIZE_BOOL,
      41                 :             :                        ATTR_CONST_NOTHROW_LEAF_LIST)
      42                 :             : 
      43                 :      229149 : DEF_COROUTINE_BUILTIN (BUILT_IN_CORO_RESUME, "resume", BT_FN_VOID_PTR,
      44                 :             :                        ATTR_NULL)
      45                 :             : 
      46                 :      229149 : DEF_COROUTINE_BUILTIN (BUILT_IN_CORO_DESTROY, "destroy", BT_FN_VOID_PTR,
      47                 :             :                        ATTR_NULL)
      48                 :             : 
      49                 :      229149 : DEF_COROUTINE_BUILTIN (BUILT_IN_CORO_DONE, "done", BT_FN_BOOL_PTR,
      50                 :             :                        ATTR_NOTHROW_LEAF_LIST)
      51                 :             : 
      52                 :             : /* This has to come after all the coroutine builtins.  */
      53                 :      229149 : DEF_BUILTIN_STUB (END_COROUTINE_BUILTINS, (const char *) 0)