/* classes: h_files */
-#ifndef CONTINUATIONSH
-#define CONTINUATIONSH
-/* Copyright (C) 1995,1996, 2000 Free Software Foundation, Inc.
- *
+#ifndef SCM_CONTINUATIONS_H
+#define SCM_CONTINUATIONS_H
+
+/* Copyright (C) 1995,1996,2000,2001 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,
* 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"
+#ifdef __ia64__
+#include <sys/ucontext.h>
+extern unsigned long * __libc_ia64_register_backing_store_base;
+#endif /* __ia64__ */
\f
/* a continuation SCM is a non-immediate pointing to a heap cell with:
- word 0: bits 0-15: unused.
- bits 16-31: smob type tag: scm_tc16_continuation.
- word 1: malloc block containing an scm_contregs structure with a
+ word 0: bits 0-15: smob type tag: scm_tc16_continuation.
+ bits 16-31: unused.
+ word 1: malloc block containing an scm_t_contregs structure with a
tail array of SCM_STACKITEM. the size of the array is stored
in the num_stack_items field of the structure.
*/
-extern scm_bits_t scm_tc16_continuation;
+SCM_API scm_t_bits scm_tc16_continuation;
typedef struct
{
SCM throw_value;
jmp_buf jmpbuf;
SCM dynenv;
+#ifdef __ia64__
+ ucontext_t ctx;
+ void *backing_store;
+ unsigned long backing_store_size;
+#endif /* __ia64__ */
SCM_STACKITEM *base; /* base of the live stack, before it was saved. */
- scm_sizet num_stack_items; /* size of the saved stack. */
- unsigned long seq; /* dynamic root identifier. */
+ size_t num_stack_items; /* size of the saved stack. */
+ unsigned long seq; /* dynamic root identifier. */
#ifdef DEBUG_EXTENSIONS
/* the most recently created debug frame on the live stack, before
it was saved. */
- struct scm_debug_frame *dframe;
+ struct scm_t_debug_frame *dframe;
#endif
SCM_STACKITEM stack[1]; /* copied stack of size num_stack_items. */
-} scm_contregs;
+} scm_t_contregs;
-#define SCM_CONTINUATIONP(x)\
- (SCM_NIMP (x) && (SCM_TYP16 (x) == scm_tc16_continuation))
+#define SCM_CONTINUATIONP(x) SCM_TYP16_PREDICATE (scm_tc16_continuation, x)
-#define SCM_CONTREGS(x) ((scm_contregs *) SCM_CELL_WORD_1 (x))
+#define SCM_CONTREGS(x) ((scm_t_contregs *) SCM_CELL_WORD_1 (x))
#define SCM_CONTINUATION_LENGTH(x) (SCM_CONTREGS (x)->num_stack_items)
#define SCM_SET_CONTINUATION_LENGTH(x,n)\
\f
-extern SCM scm_make_continuation (int *first);
-extern void scm_init_continuations (void);
-
-\f
-
-#if (SCM_DEBUG_DEPRECATED == 0)
-
-#define SCM_SETJMPBUF(x, r) (SCM_SET_CONTREGS ((x), (r)))
-
-#endif /* SCM_DEBUG_DEPRECATED == 0 */
+SCM_API SCM scm_make_continuation (int *first);
+SCM_API void scm_init_continuations (void);
-#endif /* CONTINUATIONSH */
+#endif /* SCM_CONTINUATIONS_H */
/*
Local Variables: