1 /* Copyright (C) 1995,1996,1997, 2000 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
42 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
43 gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
47 #include "libguile/_scm.h"
48 #include "libguile/ports.h"
49 #include "libguile/root.h"
51 #include "libguile/stackchk.h"
58 int scm_stack_checking_enabled_p
;
60 SCM_SYMBOL (scm_stack_overflow_key
, "stack-overflow");
63 scm_report_stack_overflow ()
65 scm_stack_checking_enabled_p
= 0;
66 scm_error (scm_stack_overflow_key
,
76 scm_stack_size (SCM_STACKITEM
*start
)
79 #ifdef SCM_STACK_GROWS_UP
80 return &stack
- start
;
82 return start
- &stack
;
83 #endif /* def SCM_STACK_GROWS_UP */
91 scm_intprint (scm_stack_size (SCM_BASE (scm_rootcont
)) * sizeof (SCM_STACKITEM
),
93 scm_puts (" of stack: 0x", scm_cur_errp
);
94 scm_intprint ((long) SCM_BASE (scm_rootcont
), 16, scm_cur_errp
);
95 scm_puts (" - 0x", scm_cur_errp
);
96 scm_intprint ((long) &stack
, 16, scm_cur_errp
);
97 scm_puts ("\n", scm_cur_errp
);
106 #ifndef SCM_MAGIC_SNARFER
107 #include "libguile/stackchk.x"