1 /* src/mm/nogc.c - allocates memory through malloc (no GC)
3 Copyright (C) 1996-2005, 2006, 2007 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
35 #include "boehm-gc/include/gc.h"
37 #include "mm/gc-common.h"
38 #include "mm/memory.h"
40 #include "toolbox/logging.h"
42 #include "vm/builtin.h"
43 #include "vm/exceptions.h"
44 #include "vm/global.h"
45 #include "vm/stringlocal.h"
48 #include "vmcore/loader.h"
49 #include "vmcore/options.h"
52 /* global stuff ***************************************************************/
54 #define MMAP_HEAPADDRESS 0x10000000 /* try to map the heap to this addr. */
57 static void *mmapptr = NULL;
58 static int mmapsize = 0;
59 static void *mmaptop = NULL;
62 void *heap_allocate(u4 size, bool references, methodinfo *finalizer)
66 mmapptr = (void *) MEMORY_ALIGN((ptrint) mmapptr, ALIGNSIZE);
69 mmapptr = (void *) ((ptrint) mmapptr + size);
71 if (mmapptr > mmaptop)
72 vm_abort("heap_allocate: out of memory");
80 void *heap_alloc_uncollectable(u4 size)
82 return heap_allocate(size, false, NULL);
86 void heap_free(void *p)
93 void gc_init(u4 heapmaxsize, u4 heapstartsize)
95 heapmaxsize = MEMORY_ALIGN(heapmaxsize, ALIGNSIZE);
97 mmapptr = mmap((void *) MMAP_HEAPADDRESS,
99 PROT_READ | PROT_WRITE,
101 # if defined(MAP_ANONYMOUS)
103 # elif defined(MAP_ANON)
111 if (mmapptr == MAP_FAILED)
112 vm_abort("gc_init: out of memory");
114 mmapsize = heapmaxsize;
115 mmaptop = (void *) ((ptrint) mmapptr + mmapsize);
121 log_text("GC call: nothing done...");
126 s8 gc_get_heap_size(void)
132 s8 gc_get_free_bytes(void)
138 s8 gc_get_total_bytes(void)
144 s8 gc_get_max_heap_size(void)
150 void gc_invoke_finalizers(void)
156 void gc_finalize_all(void)
163 * These are local overrides for various environment variables in Emacs.
164 * Please do not remove this and leave it at the end of the file, where
165 * Emacs will automagically detect them.
166 * ---------------------------------------------------------------------
169 * indent-tabs-mode: t