117 lines
3.3 KiB
C
117 lines
3.3 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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#include <stdio.h>
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#include "config.h"
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#include "misc.h"
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#include "memory.h"
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#ifdef DEBUG
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int caml_failed_assert (char * expr, char * file, int line)
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{
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fprintf (stderr, "file %s; line %d ### Assertion failed: %s\n",
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file, line, expr);
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fflush (stderr);
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exit (100);
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return 1; /* not reached */
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}
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#endif /* DEBUG */
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unsigned long caml_verb_gc = 0;
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void caml_gc_message (int level, char *msg, unsigned long arg)
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{
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if (level < 0 || (caml_verb_gc & level) != 0){
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fprintf (stderr, msg, arg);
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fflush (stderr);
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}
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}
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void caml_fatal_error (char *msg)
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{
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fprintf (stderr, "%s", msg);
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exit(2);
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}
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void caml_fatal_error_arg (char *fmt, char *arg)
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{
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fprintf (stderr, fmt, arg);
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exit(2);
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}
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void caml_fatal_error_arg2 (char *fmt1, char *arg1, char *fmt2, char *arg2)
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{
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fprintf (stderr, fmt1, arg1);
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fprintf (stderr, fmt2, arg2);
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exit(2);
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}
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char *caml_aligned_malloc (asize_t size, int modulo, void **block)
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{
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char *raw_mem;
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unsigned long aligned_mem;
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Assert (modulo < Page_size);
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raw_mem = (char *) malloc (size + Page_size);
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if (raw_mem == NULL) return NULL;
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*block = raw_mem;
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raw_mem += modulo; /* Address to be aligned */
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aligned_mem = (((unsigned long) raw_mem / Page_size + 1) * Page_size);
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#ifdef DEBUG
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{
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unsigned long *p;
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unsigned long *p0 = (void *) *block,
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*p1 = (void *) (aligned_mem - modulo),
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*p2 = (void *) (aligned_mem - modulo + size),
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*p3 = (void *) ((char *) *block + size + Page_size);
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for (p = p0; p < p1; p++) *p = Debug_filler_align;
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for (p = p1; p < p2; p++) *p = Debug_uninit_align;
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for (p = p2; p < p3; p++) *p = Debug_filler_align;
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}
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#endif
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return (char *) (aligned_mem - modulo);
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}
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void caml_ext_table_init(struct ext_table * tbl, int init_capa)
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{
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tbl->size = 0;
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tbl->capacity = init_capa;
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tbl->contents = caml_stat_alloc(sizeof(void *) * init_capa);
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}
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int caml_ext_table_add(struct ext_table * tbl, void * data)
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{
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int res;
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if (tbl->size >= tbl->capacity) {
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tbl->capacity *= 2;
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tbl->contents =
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caml_stat_resize(tbl->contents, sizeof(void *) * tbl->capacity);
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}
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res = tbl->size;
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tbl->contents[res] = data;
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tbl->size++;
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return res;
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}
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void caml_ext_table_free(struct ext_table * tbl, int free_entries)
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{
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int i;
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if (free_entries)
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for (i = 0; i < tbl->size; i++) caml_stat_free(tbl->contents[i]);
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caml_stat_free(tbl->contents);
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}
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