/*
-- This file is  free  software, which  comes  along  with  SmartEiffel. This
-- software  is  distributed  in the hope that it will be useful, but WITHOUT
-- ANY  WARRANTY;  without  even  the  implied warranty of MERCHANTABILITY or
-- FITNESS  FOR A PARTICULAR PURPOSE. You can modify it as you want, provided
-- this header is kept unaltered, and a notification of the changes is added.
-- You  are  allowed  to  redistribute  it and sell it, alone or as a part of
-- another product.
--       Copyright (C) 1994-2002 LORIA - INRIA - U.H.P. Nancy 1 - FRANCE
--          Dominique COLNET and Suzanne COLLIN - SmartEiffel@loria.fr
--                       http://www.loria.fr/SmartEiffel
--
*/
/*
   Stack and Registers traversal for all BSD like: FreeBSD, BSD/OS, NetBSD,
   as well as OpenBSD.
   Addresses decrease as the stack grows.
   Registers are saved using SETJMP().
*/

void mark_stack_and_registers(void) {
  void** max = stack_bottom;
  void** stack_pointer;
  JMP_BUF registers;

  (void)SETJMP(registers);
  stack_pointer=((void**)(&registers));
  while(stack_pointer < max) {
    gc_mark(*(stack_pointer++));
  }
}
