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guile/libguile/stackchk.c
Jim Blandy 7dc6e7547a * __scm.h, alist.c, async.c, async.h, backtrace.h, chars.c,
continuations.c, debug.c, debug.h, dynl-dl.c, dynl.c, dynl.h,
dynwind.c, dynwind.h, eq.c, error.c, error.h, eval.c, eval.h,
feature.c, filesys.c, filesys.h, fports.c, fports.h, gc.c, gc.h,
genio.c, genio.h, gh.h, gh_data.c, gsubr.c, gsubr.h, hash.c,
hashtab.c, init.c, init.h, ioext.c, ioext.h, kw.c, libguile.h,
list.c, list.h, load.c, load.h, mallocs.c, markers.c,
mit-pthreads.c, net_db.c, numbers.c, numbers.h, options.c,
ports.c, ports.h, posix.c, posix.h, print.c, print.h, procprop.c,
procprop.h, procs.c, procs.h, ramap.c, ramap.h, regex-posix.c,
regex-posix.h, root.c, root.h, scmsigs.c, scmsigs.h, script.c,
script.h, simpos.c, simpos.h, smob.c, smob.h, snarf.h, socket.c,
srcprop.c, stackchk.c, stackchk.h, stacks.c, stime.c, stime.h,
strings.c, strings.h, strports.c, struct.c, struct.h, symbols.c,
symbols.h, tags.h, threads.c, throw.h, unif.c, variable.c,
vectors.c, vectors.h, version.h, vports.c, weaks.c: Update
copyright years.
1998-10-19 21:36:50 +00:00

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/* Copyright (C) 1995,1996,1997 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. */
#include <stdio.h>
#include "_scm.h"
#include "genio.h"
#include "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 (start)
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 ()
{
#include "stackchk.x"
}