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/* RTL buffer overflow protection function for GNU C compiler
Copyright (C) 1987, 88, 89, 92-7, 1998 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC 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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* declaration of GUARD variable */
#define GUARD_m Pmode
#define UNITS_PER_GUARD MAX(BIGGEST_ALIGNMENT / BITS_PER_UNIT, GET_MODE_SIZE (GUARD_m))
#define SSP_DUMMY_FILE "_ssp_"
#ifndef L_stack_smash_handler
/* insert a guard variable before a character buffer and change the order
of pointer variables, character buffers and pointer arguments */
extern void prepare_stack_protection PARAMS ((int inlinable));
#ifdef TREE_CODE
/* search a character array from the specified type tree */
extern int search_string_def PARAMS ((tree names));
#endif
/* examine whether the input contains frame pointer addressing */
extern int contains_fp PARAMS ((rtx op));
/* allocate a local variable in the stack area before character buffers
to avoid the corruption of it */
extern rtx assign_stack_local_for_pseudo_reg PARAMS ((enum machine_mode, HOST_WIDE_INT, int));
#endif
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