mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/* Copyright (C) 1995,1996,1997, 2000 Free Software Foundation, Inc.
|
||
*
|
||
* This program 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.
|
||
*
|
||
* This program 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 this software; see the file COPYING. If not, write to
|
||
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||
* Boston, MA 02111-1307 USA
|
||
*
|
||
* As a special exception, the Free Software Foundation gives permission
|
||
* for additional uses of the text contained in its release of GUILE.
|
||
*
|
||
* The exception is that, if you link the GUILE library with other files
|
||
* to produce an executable, this does not by itself cause the
|
||
* resulting executable to be covered by the GNU General Public License.
|
||
* Your use of that executable is in no way restricted on account of
|
||
* linking the GUILE library code into it.
|
||
*
|
||
* This exception does not however invalidate any other reasons why
|
||
* the executable file might be covered by the GNU General Public License.
|
||
*
|
||
* This exception applies only to the code released by the
|
||
* Free Software Foundation under the name GUILE. If you copy
|
||
* code from other Free Software Foundation releases into a copy of
|
||
* GUILE, as the General Public License permits, the exception does
|
||
* not apply to the code that you add in this way. To avoid misleading
|
||
* anyone as to the status of such modified files, you must delete
|
||
* this exception notice from them.
|
||
*
|
||
* If you write modifications of your own for GUILE, it is your choice
|
||
* whether to permit this exception to apply to your modifications.
|
||
* If you do not wish that, delete this exception notice. */
|
||
|
||
/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
|
||
gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
|
||
|
||
|
||
|
||
#include "libguile/_scm.h"
|
||
#include "libguile/ports.h"
|
||
#include "libguile/root.h"
|
||
|
||
#include "libguile/stackchk.h"
|
||
|
||
|
||
/* {Stack Checking}
|
||
*/
|
||
|
||
#ifdef STACK_CHECKING
|
||
int scm_stack_checking_enabled_p;
|
||
|
||
SCM_SYMBOL (scm_stack_overflow_key, "stack-overflow");
|
||
|
||
void
|
||
scm_report_stack_overflow ()
|
||
{
|
||
scm_stack_checking_enabled_p = 0;
|
||
scm_error (scm_stack_overflow_key,
|
||
NULL,
|
||
"Stack overflow",
|
||
SCM_BOOL_F,
|
||
SCM_BOOL_F);
|
||
}
|
||
|
||
#endif
|
||
|
||
long
|
||
scm_stack_size (SCM_STACKITEM *start)
|
||
{
|
||
SCM_STACKITEM stack;
|
||
#ifdef SCM_STACK_GROWS_UP
|
||
return &stack - start;
|
||
#else
|
||
return start - &stack;
|
||
#endif /* def SCM_STACK_GROWS_UP */
|
||
}
|
||
|
||
|
||
void
|
||
scm_stack_report ()
|
||
{
|
||
SCM_STACKITEM stack;
|
||
scm_intprint (scm_stack_size (SCM_BASE (scm_rootcont)) * sizeof (SCM_STACKITEM),
|
||
16, scm_cur_errp);
|
||
scm_puts (" of stack: 0x", scm_cur_errp);
|
||
scm_intprint ((long) SCM_BASE (scm_rootcont), 16, scm_cur_errp);
|
||
scm_puts (" - 0x", scm_cur_errp);
|
||
scm_intprint ((long) &stack, 16, scm_cur_errp);
|
||
scm_puts ("\n", scm_cur_errp);
|
||
}
|
||
|
||
|
||
|
||
|
||
void
|
||
scm_init_stackchk ()
|
||
{
|
||
#ifndef SCM_MAGIC_SNARFER
|
||
#include "libguile/stackchk.x"
|
||
#endif
|
||
}
|
||
|
||
/*
|
||
Local Variables:
|
||
c-file-style: "gnu"
|
||
End:
|
||
*/
|