1 /* src/mm/nogc.c - allocates memory through malloc (no GC)
3 Copyright (C) 1996-2005, 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: Christian Thalinger
31 $Id: nogc.c 6034 2006-11-21 21:02:30Z twisti $
43 #include "boehm-gc/include/gc.h"
45 #include "mm/gc-common.h"
46 #include "mm/memory.h"
47 #include "toolbox/logging.h"
48 #include "vm/options.h"
49 #include "vm/builtin.h"
50 #include "vm/exceptions.h"
51 #include "vm/global.h"
52 #include "vm/loader.h"
53 #include "vm/stringlocal.h"
56 /* global stuff ***************************************************************/
58 #define MMAP_HEAPADDRESS 0x10000000 /* try to map the heap to this addr. */
61 static void *mmapptr = NULL;
62 static int mmapsize = 0;
63 static void *mmaptop = NULL;
66 void *heap_allocate(u4 size, bool references, methodinfo *finalizer)
70 mmapptr = (void *) MEMORY_ALIGN((ptrint) mmapptr, ALIGNSIZE);
73 mmapptr = (void *) ((ptrint) mmapptr + size);
75 if (mmapptr > mmaptop)
76 exceptions_throw_outofmemory_exit();
84 void *heap_alloc_uncollectable(u4 size)
86 return heap_allocate(size, false, NULL);
90 void heap_free(void *p)
97 void gc_init(u4 heapmaxsize, u4 heapstartsize)
99 heapmaxsize = MEMORY_ALIGN(heapmaxsize, ALIGNSIZE);
101 mmapptr = mmap((void *) MMAP_HEAPADDRESS,
102 (size_t) heapmaxsize,
103 PROT_READ | PROT_WRITE,
105 # if defined(MAP_ANONYMOUS)
107 # elif defined(MAP_ANON)
115 if (mmapptr == MAP_FAILED)
116 exceptions_throw_outofmemory_exit();
118 mmapsize = heapmaxsize;
119 mmaptop = (void *) ((ptrint) mmapptr + mmapsize);
125 log_text("GC call: nothing done...");
130 s8 gc_get_heap_size(void)
136 s8 gc_get_free_bytes(void)
142 s8 gc_get_total_bytes(void)
148 s8 gc_get_max_heap_size(void)
154 void gc_invoke_finalizers(void)
160 void gc_finalize_all(void)
167 * These are local overrides for various environment variables in Emacs.
168 * Please do not remove this and leave it at the end of the file, where
169 * Emacs will automagically detect them.
170 * ---------------------------------------------------------------------
173 * indent-tabs-mode: t