1 /* src/mm/cacao-gc/gc.h - main garbage collector header
3 Copyright (C) 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program 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.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Michael Starzinger
35 # error Why is the BoehmGC header included???
43 /* Configuration Switches *****************************************************/
45 /*#define GCCONF_FINALIZER*/
48 /* Debugging ******************************************************************/
51 /*#define GC_DEBUGGING2*/
53 #if !defined(NDEBUG) && defined(GC_DEBUGGING)
55 # include "vmcore/options.h"
56 # define GC_LOG(code) if (opt_verbosegc) { code; }
57 # define GC_ASSERT(assertion) assert(assertion)
60 # define GC_ASSERT(assertion)
63 #if !defined(NDEBUG) && defined(GC_DEBUGGING2)
64 # define GC_LOG2(code) GC_LOG(code)
66 # define GC_LOG2(code)
70 /* Development Break **********************************************************/
72 #if 0 && defined(ENABLE_THREADS)
73 # error "GC does not work with threads enabled!"
76 #if 1 && defined(ENABLE_INTRP)
77 # error "GC does not work with interpreter enabled!"
80 #if 1 && defined(ENABLE_JVMTI)
81 # error "GC does not work with JVMTI enabled!"
84 #if 1 && !defined(ENABLE_REPLACEMENT)
85 # error "GC does only work with replacement enabled!"
88 #if 1 && !defined(__I386__)
89 # error "GC was only ported to i386 so far!"
93 /* Helper Macros **************************************************************/
95 #define GC_SET_FLAGS(obj, flags) ((obj)->hdrflags |= (flags))
96 #define GC_CLEAR_FLAGS(obj, flags) ((obj)->hdrflags &= ~(flags))
97 #define GC_TEST_FLAGS(obj, flags) ((obj)->hdrflags & (flags))
99 #define POINTS_INTO(ptr, ptr_start, ptr_end) \
100 ((void *) (ptr) > (ptr_start) && (void *) (ptr) < (ptr_end))
103 /* Global Variables ***********************************************************/
105 extern bool gc_notify_finalizer;
108 /* Statistics *****************************************************************/
110 #if defined(ENABLE_STATISTICS)
112 #define GCSTAT_INIT(cnt) { (cnt) = 0; }
113 #define GCSTAT_COUNT(cnt) { (cnt)++; }
114 #define GCSTAT_DEC(cnt) { (cnt)--; GC_ASSERT((cnt) >= 0); }
115 #define GCSTAT_COUNT_MAX(cnt,max) { (cnt)++; if ((cnt) > (max)) (max) = (cnt); }
117 extern int gcstat_mark_depth;
118 extern int gcstat_mark_depth_max;
119 extern int gcstat_mark_count;
121 void gcstat_println();
123 #endif /* defined(ENABLE_STATISTICS) */
129 * These are local overrides for various environment variables in Emacs.
130 * Please do not remove this and leave it at the end of the file, where
131 * Emacs will automagically detect them.
132 * ---------------------------------------------------------------------
135 * indent-tabs-mode: t
139 * vim:noexpandtab:sw=4:ts=4: