1 /* -*-C-*-
2 
3 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
4     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
5     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Massachusetts
6     Institute of Technology
7 
8 This file is part of MIT/GNU Scheme.
9 
10 MIT/GNU Scheme is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or (at
13 your option) any later version.
14 
15 MIT/GNU Scheme is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 General Public License for more details.
19 
20 You should have received a copy of the GNU General Public License
21 along with MIT/GNU Scheme; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
23 USA.
24 
25 */
26 
27 /* This file contains breakpoint utility definitions.  */
28 
29 #ifdef ENABLE_DEBUGGING_TOOLS
30 
31 struct sp_record
32 {
33   SCHEME_OBJECT * sp;
34   struct sp_record * next;
35 };
36 
37 typedef struct sp_record * sp_record_list;
38 extern sp_record_list SP_List;
39 
40 #define DEBUG_MAXSLOTS 100
41 
42 #define EVAL_UCODE_HOOK() do						\
43 {									\
44   (local_circle [local_slotno++]) = GET_EXP;				\
45   if (local_slotno >= DEBUG_MAXSLOTS)					\
46     local_slotno = 0;							\
47   if (local_nslots < DEBUG_MAXSLOTS)					\
48     local_nslots += 1;							\
49 } while (0)
50 
51 #define POP_RETURN_UCODE_HOOK() do					\
52 {									\
53   if (SP_List != 0)							\
54     Pop_Return_Break_Point ();						\
55 } while (0)
56 
57 #endif /* ENABLE_DEBUGGING_TOOLS */
58