/* * This module derived from code donated to the FreeBSD Project by * Matthew Dillon * * Copyright (c) 1998 The FreeBSD Project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * DEFS.H */ #ifndef _ZALLOC_DEFS_H #define _ZALLOC_DEFS_H #define USEGUARD /* use stard/end guard bytes */ #define USEENDGUARD #define DMALLOCDEBUG /* add debugging code to gather stats */ #define ZALLOCDEBUG #include #include "stand.h" #include "zalloc_mem.h" #define Library extern /* * block extension for sbrk() */ #define BLKEXTEND (4 * 1024) #define BLKEXTENDMASK (BLKEXTEND - 1) /* * Required malloc alignment. * * Embedded platforms using the u-boot API drivers require that all I/O buffers * be on a cache line sized boundary. The worst case size for that is 64 bytes. * For other platforms, 16 bytes works fine. The alignment also must be at * least sizeof(struct MemNode); this is asserted in zalloc.c. */ #if defined(__arm__) || defined(__mips__) || defined(__powerpc__) #define MALLOCALIGN 64 #else #define MALLOCALIGN 16 #endif #define MALLOCALIGN_MASK (MALLOCALIGN - 1) typedef struct Guard { size_t ga_Bytes; size_t ga_Magic; /* must be at least 32 bits */ } Guard; #define GAMAGIC 0x55FF44FD #define GAFREE 0x5F54F4DF #include "zalloc_protos.h" #endif /* _ZALLOC_DEFS_H */