ocaml/byterun/misc.h

104 lines
2.8 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy and Damien Doligez, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License. */
/* */
/***********************************************************************/
/* $Id$ */
/* Miscellaneous macros and variables. */
#ifndef _misc_
#define _misc_
#include "config.h"
/* Standard definitions */
#include <stddef.h>
#include <stdlib.h>
/* Basic types and constants */
typedef size_t asize_t;
#ifndef NULL
#define NULL 0
#endif
typedef char * addr;
#ifdef __GNUC__
/* Works only in GCC 2.5 and later */
#define Noreturn __attribute ((noreturn))
#else
#define Noreturn
#endif
/* Assertions */
#ifdef DEBUG
#define CAMLassert(x) if (!(x)) caml_failed_assert ( #x , __FILE__, __LINE__)
void caml_failed_assert (char *, char *, int) Noreturn;
#else
#define CAMLassert(x)
#endif
void fatal_error (char *) Noreturn;
void fatal_error_arg (char *, char *) Noreturn;
/* GC flags and messages */
extern unsigned long verb_gc;
void gc_message (int, char *, unsigned long);
/* Memory routines */
char *aligned_malloc (asize_t, int, void **);
#ifdef DEBUG
#ifdef ARCH_SIXTYFOUR
#define Debug_tag(x) (0xD700D7D7D700D6D7ul \
| ((unsigned long) (x) << 16) \
| ((unsigned long) (x) << 48))
#else
#define Debug_tag(x) (0xD700D6D7ul | ((unsigned long) (x) << 16))
#endif /* ARCH_SIXTYFOUR */
/*
00 -> free words in minor heap
01 -> fields of free list blocks in major heap
03 -> heap chunks deallocated by heap shrinking
04 -> fields deallocated by obj_truncate
10 -> uninitialised fields of minor objects
11 -> uninitialised fields of major objects
12 -> uninitialised words of stat_alloc blocks
15 -> uninitialised words of aligned_malloc blocks
85 -> filler bytes of aligned_malloc
*/
#define Debug_free_minor Debug_tag (0x00)
#define Debug_free_major Debug_tag (0x01)
#define Debug_free_shrink Debug_tag (0x03)
#define Debug_free_truncate Debug_tag (0x04)
#define Debug_uninit_minor Debug_tag (0x10)
#define Debug_uninit_major Debug_tag (0x11)
#define Debug_uninit_stat Debug_tag (0x12)
#define Debug_uninit_align Debug_tag (0x15)
#define Debug_filler_align Debug_tag (0x85)
#endif /* DEBUG */
#ifndef CAML_AVOID_CONFLICTS
#define Assert CAMLassert
#endif
#endif /* _misc_ */