1  /* Copyright (C) 2002-2023 Free Software Foundation, Inc.
       2  
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public License as
       7     published by the Free Software Foundation; either version 2.1 of the
       8     License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <stdlib.h>
      20  #include <string.h>
      21  
      22  /* Default stack size.  */
      23  #define ARCH_STACK_DEFAULT_SIZE  (2 * 1024 * 1024)
      24  
      25  /* Minimum guard size.  */
      26  #define ARCH_MIN_GUARD_SIZE 0
      27  
      28  /* Required stack pointer alignment at beginning.  */
      29  #define STACK_ALIGN         16
      30  
      31  /* Minimal stack size after allocating thread descriptor and guard size.  */
      32  #define MINIMAL_REST_STACK  2048
      33  
      34  /* Location of current stack frame.  */
      35  #define CURRENT_STACK_FRAME __builtin_frame_address (0)