58 lines
2.1 KiB
Plaintext
58 lines
2.1 KiB
Plaintext
$OpenBSD: pp-gcc_protector_h,v 1.1 2005/01/04 23:06:33 espie Exp $
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--- gcc/protector.h.orig Mon Jan 3 10:17:42 2005
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+++ gcc/protector.h Mon Jan 3 10:17:42 2005
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@@ -0,0 +1,53 @@
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+/* RTL buffer overflow protection function for GNU C compiler
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+ Copyright (C) 1987, 88, 89, 92-7, 1998 Free Software Foundation, Inc.
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+
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+This file is part of GCC.
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+
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+GCC is free software; you can redistribute it and/or modify it under
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+the terms of the GNU General Public License as published by the Free
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+Software Foundation; either version 2, or (at your option) any later
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+version.
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+
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+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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+WARRANTY; without even the implied warranty of MERCHANTABILITY or
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+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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+for more details.
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+
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+You should have received a copy of the GNU General Public License
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+along with GCC; see the file COPYING. If not, write to the Free
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+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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+02111-1307, USA. */
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+
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+
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+/* declaration of GUARD variable */
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+#define GUARD_m Pmode
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+#define UNITS_PER_GUARD MAX(BIGGEST_ALIGNMENT / BITS_PER_UNIT, GET_MODE_SIZE (GUARD_m))
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+
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+#ifndef L_stack_smash_handler
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+
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+/* insert a guard variable before a character buffer and change the order
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+ of pointer variables, character buffers and pointer arguments */
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+
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+extern void prepare_stack_protection PARAMS ((int inlinable));
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+
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+#ifdef TREE_CODE
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+/* search a character array from the specified type tree */
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+
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+extern int search_string_def PARAMS ((tree names));
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+#endif
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+
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+/* examine whether the input contains frame pointer addressing */
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+
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+extern int contains_fp PARAMS ((rtx op));
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+
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+/* Return size that is not allocated for stack frame. It will be allocated
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+ to modify the home of pseudo registers called from global_alloc. */
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+
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+extern HOST_WIDE_INT get_frame_free_size PARAMS ((void));
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+
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+/* allocate a local variable in the stack area before character buffers
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+ to avoid the corruption of it */
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+
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+extern rtx assign_stack_local_for_pseudo_reg PARAMS ((enum machine_mode, HOST_WIDE_INT, int));
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+
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+#endif
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