199767f8919635c4928607450d9e0abb932109ceToomas Soome * This module derived from code donated to the FreeBSD Project by
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Matthew Dillon <dillon@backplane.com>
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 1998 The FreeBSD Project
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define USEGUARD /* use stard/end guard bytes */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define DMALLOCDEBUG /* add debugging code to gather stats */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * block extension for sbrk()
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Required malloc alignment.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Embedded platforms using the u-boot API drivers require that all I/O buffers
199767f8919635c4928607450d9e0abb932109ceToomas Soome * be on a cache line sized boundary. The worst case size for that is 64 bytes.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * For other platforms, 16 bytes works fine. The alignment also must be at
199767f8919635c4928607450d9e0abb932109ceToomas Soome * least sizeof(struct MemNode); this is asserted in zalloc.c.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#if defined(__arm__) || defined(__mips__) || defined(__powerpc__)
199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t ga_Magic; /* must be at least 32 bits */