123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy and Damien Doligez, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#ifndef _config_
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#define _config_
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#if !macintosh
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#include "../config/m.h"
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#include "../config/s.h"
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#else
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#include "::config:sm-Mac.h"
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#endif
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/* Library dependencies */
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#ifdef HAS_MEMMOVE
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#undef bcopy
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#define bcopy(src,dst,len) memmove((dst), (src), (len))
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#else
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#ifdef HAS_BCOPY
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/* Nothing to do */
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#else
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#undef bcopy
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#define bcopy(src,dst,len) memmov((dst), (src), (len))
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#define USING_MEMMOV
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#endif
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#endif
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/* We use threaded code interpretation if the compiler provides labels
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as first-class values (GCC 2.x).
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Macintosh 68k also uses threaded code, with the assembly-language
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bytecode interpreter (THREADED_CODE defined in config/sm-Mac.h).
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*/
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#if defined(__GNUC__) && __GNUC__ >= 2 && !defined(DEBUG) && !defined (SHRINKED_GNUC)
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#define THREADED_CODE
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#endif
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/* Signed char type */
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#if defined(__STDC__) || defined(SIGNED_CHAR_WORKS)
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typedef signed char schar;
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#else
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typedef char schar;
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#endif
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/* Do not change this definition. */
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#define Page_size (1 << Page_log)
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/* Memory model parameters */
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/* The size of a page for memory management (in bytes) is [1 << Page_log].
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It must be a multiple of [sizeof (long)]. */
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#define Page_log 12 /* A page is 4 kilobytes. */
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/* Initial size of stack (bytes). */
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#define Stack_size (4096 * sizeof(value))
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/* Minimum free size of stack (bytes); below that, it is reallocated. */
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#define Stack_threshold (256 * sizeof(value))
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/* Default maximum size of the stack (words). */
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#define Max_stack_def (256 * 1024)
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/* Maximum size of a block allocated in the young generation (words). */
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/* Must be > 4 */
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#define Max_young_wosize 256
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/* Minimum size of the minor zone (words).
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This must be at least [Max_young_wosize + 1]. */
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#define Minor_heap_min 4096
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/* Maximum size of the minor zone (words).
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Must be greater than or equal to [Minor_heap_min].
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*/
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#define Minor_heap_max (1 << 28)
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/* Default size of the minor zone. (words) */
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#define Minor_heap_def 32768
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/* Minimum size increment when growing the heap (words).
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Must be a multiple of [Page_size / sizeof (value)]. */
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#define Heap_chunk_min (2 * Page_size / sizeof (value))
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/* Maximum size of a contiguous piece of the heap (words).
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Must be greater than or equal to [Heap_chunk_min].
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Must be greater than or equal to [Bhsize_wosize (Max_wosize)]. */
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#define Heap_chunk_max (Bhsize_wosize (Max_wosize))
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/* Default size increment when growing the heap. (words)
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Must be a multiple of [Page_size / sizeof (value)]. */
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#define Heap_chunk_def (62 * 1024)
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/* Default initial size of the major heap (words);
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same constraints as for Heap_chunk_def. */
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#define Init_heap_def (62 * 1024)
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/* Default speed setting for the major GC. The heap will grow until
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the dead objects and the free list represent this percentage of the
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heap size. The rest of the heap is live objects. */
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#define Percent_free_def 42
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/* Default setting for the compacter: off */
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#define Max_percent_free_def 1000000
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#endif /* _config_ */
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