137 lines
3.8 KiB
C
137 lines
3.8 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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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../LICENSE. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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/* Miscellaneous macros and variables. */
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#ifndef CAML_MISC_H
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#define CAML_MISC_H
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#ifndef CAML_NAME_SPACE
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#include "compatibility.h"
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#endif
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#include "config.h"
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/* Standard definitions */
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#include <stddef.h>
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#include <stdlib.h>
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/* Basic types and constants */
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typedef size_t asize_t;
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#ifndef NULL
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#define NULL 0
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#endif
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/* <private> */
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typedef char * addr;
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/* </private> */
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#ifdef __GNUC__
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/* Works only in GCC 2.5 and later */
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#define Noreturn __attribute__ ((noreturn))
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#else
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#define Noreturn
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#endif
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/* Export control (to mark primitives and to handle Windows DLL) */
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#define CAMLexport
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#define CAMLprim
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#define CAMLextern extern
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/* Assertions */
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/* <private> */
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#ifdef DEBUG
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#define CAMLassert(x) ((x) ? 0 : caml_failed_assert ( #x , __FILE__, __LINE__))
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CAMLextern int caml_failed_assert (char *, char *, int);
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#else
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#define CAMLassert(x) ((void) 0)
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#endif
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CAMLextern void caml_fatal_error (char *msg) Noreturn;
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CAMLextern void caml_fatal_error_arg (char *fmt, char *arg) Noreturn;
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CAMLextern void caml_fatal_error_arg2 (char *fmt1, char *arg1,
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char *fmt2, char *arg2) Noreturn;
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/* Data structures */
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struct ext_table {
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int size;
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int capacity;
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void ** contents;
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};
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extern void caml_ext_table_init(struct ext_table * tbl, int init_capa);
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extern int caml_ext_table_add(struct ext_table * tbl, void * data);
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extern void caml_ext_table_free(struct ext_table * tbl, int free_entries);
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/* GC flags and messages */
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extern uintnat caml_verb_gc;
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void caml_gc_message (int, char *, uintnat);
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/* Memory routines */
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char *caml_aligned_malloc (asize_t, int, void **);
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#ifdef DEBUG
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#ifdef ARCH_SIXTYFOUR
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#define Debug_tag(x) (0xD700D7D7D700D6D7ul \
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| ((uintnat) (x) << 16) \
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| ((uintnat) (x) << 48))
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#else
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#define Debug_tag(x) (0xD700D6D7ul | ((uintnat) (x) << 16))
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#endif /* ARCH_SIXTYFOUR */
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/*
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00 -> free words in minor heap
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01 -> fields of free list blocks in major heap
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03 -> heap chunks deallocated by heap shrinking
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04 -> fields deallocated by [caml_obj_truncate]
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10 -> uninitialised fields of minor objects
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11 -> uninitialised fields of major objects
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15 -> uninitialised words of [caml_aligned_malloc] blocks
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85 -> filler bytes of [caml_aligned_malloc]
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special case (byte by byte):
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D7 -> uninitialised words of [caml_stat_alloc] blocks
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*/
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#define Debug_free_minor Debug_tag (0x00)
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#define Debug_free_major Debug_tag (0x01)
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#define Debug_free_shrink Debug_tag (0x03)
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#define Debug_free_truncate Debug_tag (0x04)
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#define Debug_uninit_minor Debug_tag (0x10)
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#define Debug_uninit_major Debug_tag (0x11)
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#define Debug_uninit_align Debug_tag (0x15)
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#define Debug_filler_align Debug_tag (0x85)
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#define Debug_uninit_stat 0xD7
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extern void caml_set_fields (char *, unsigned long, unsigned long);
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#endif /* DEBUG */
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#ifndef CAML_AVOID_CONFLICTS
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#define Assert CAMLassert
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#endif
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/* </private> */
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#endif /* CAML_MISC_H */
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