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gc_lib
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windows.c
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1999-06-05
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/*
-- This file is free software, which comes along with SmallEiffel. 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) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
-- Dominique COLNET and Suzanne COLLIN - colnet@loria.fr
-- http://www.loria.fr/SmallEiffel
--
*/
/*
Generic Hazardous Garbage Collector marking code.
This is only C code (no machine code) assuming that all reachable
objects are stored in the stack or in the jmpbuf of setjmp().
*/
void mark_stack_and_registers (void) {
void** max = stack_bottom + 5;
/* [4..1065] seems to be a valid range for MS C++ */
void** stack_pointer;
jmp_buf stack_top;
(void)setjmp(stack_top);
stack_pointer = ((void**)(&stack_top));
while (stack_pointer < max) {
gc_mark(*(stack_pointer++));
}
}