-/* classes: h_files */
-
-#ifndef STACKCHKH
-#define STACKCHKH
-/* Copyright (C) 1995,1996,1998 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. */
-\f
-#include "libguile/__scm.h"
-
-#include "libguile/continuations.h"
-#ifdef DEBUG_EXTENSIONS
-#include "libguile/debug.h"
-#endif
-\f
-
-/* With debug extensions we have the possibility to use the debug options
- * to disable stack checking.
- */
-#ifdef DEBUG_EXTENSIONS
-#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
-#else
-/* *fixme* This option should be settable also without debug extensions. */
-#define SCM_STACK_LIMIT 100000
-#define SCM_STACK_CHECKING_P 1
-#endif
-
-#ifdef STACK_CHECKING
-# ifdef SCM_STACK_GROWS_UP
-# define SCM_STACK_OVERFLOW_P(s)\
- (s > ((SCM_STACKITEM *) SCM_BASE (scm_rootcont) + SCM_STACK_LIMIT))
-# else
-# define SCM_STACK_OVERFLOW_P(s)\
- (s < ((SCM_STACKITEM *) SCM_BASE (scm_rootcont) - SCM_STACK_LIMIT))
-# endif
-# define SCM_CHECK_STACK\
- {\
- SCM_STACKITEM stack;\
- if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\
- scm_report_stack_overflow ();\
- }
-#else
-# define SCM_CHECK_STACK /**/
-#endif /* STACK_CHECKING */
-
-extern int scm_stack_checking_enabled_p;
-
-\f
-
-extern void scm_report_stack_overflow (void);
-extern long scm_stack_size (SCM_STACKITEM *start);
-extern void scm_stack_report (void);
-extern void scm_init_stackchk (void);
-
-#endif /* STACKCHKH */
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/
+/* classes: h_files */
+
+#ifndef SCM_STACKCHK_H
+#define SCM_STACKCHK_H
+
+/* Copyright (C) 1995,1996,1998,2000, 2003, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+\f
+
+#include "libguile/__scm.h"
+
+#include "libguile/continuations.h"
+#include "libguile/debug.h"
+
+\f
+
+/* With debug options we have the possibility to disable stack checking.
+ */
+#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
+
+#if defined BUILDING_LIBGUILE && defined STACK_CHECKING
+# if SCM_STACK_GROWS_UP
+# define SCM_STACK_OVERFLOW_P(s)\
+ ((SCM_STACK_PTR (s) - SCM_I_CURRENT_THREAD->base) > SCM_STACK_LIMIT)
+# else
+# define SCM_STACK_OVERFLOW_P(s)\
+ ((SCM_I_CURRENT_THREAD->base - SCM_STACK_PTR (s)) > SCM_STACK_LIMIT)
+# endif
+# define SCM_CHECK_STACK\
+ {\
+ SCM_STACKITEM stack;\
+ if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\
+ scm_report_stack_overflow ();\
+ }
+#else
+# define SCM_CHECK_STACK /**/
+#endif
+
+SCM_API int scm_stack_checking_enabled_p;
+
+\f
+
+SCM_API void scm_report_stack_overflow (void);
+SCM_API long scm_stack_size (SCM_STACKITEM *start);
+SCM_API void scm_stack_report (void);
+SCM_API SCM scm_sys_get_stack_size (void);
+SCM_INTERNAL void scm_init_stackchk (void);
+
+#endif /* SCM_STACKCHK_H */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff