| zalloc_defs.h (256281) | zalloc_defs.h (269101) |
|---|---|
| 1/* 2 * This module derived from code donated to the FreeBSD Project by 3 * Matthew Dillon <dillon@backplane.com> 4 * 5 * Copyright (c) 1998 The FreeBSD Project 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 12 unchanged lines hidden (view full) --- 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * | 1/* 2 * This module derived from code donated to the FreeBSD Project by 3 * Matthew Dillon <dillon@backplane.com> 4 * 5 * Copyright (c) 1998 The FreeBSD Project 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 12 unchanged lines hidden (view full) --- 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * |
| 29 * $FreeBSD: stable/10/lib/libstand/zalloc_defs.h 223905 2011-07-10 07:25:34Z avatar $ | 29 * $FreeBSD: stable/10/lib/libstand/zalloc_defs.h 269101 2014-07-25 23:12:22Z ian $ |
| 30 */ 31 32/* 33 * DEFS.H 34 */ 35 36#define USEGUARD /* use stard/end guard bytes */ 37#define USEENDGUARD --- 9 unchanged lines hidden (view full) --- 47/* 48 * block extension for sbrk() 49 */ 50 51#define BLKEXTEND (4 * 1024) 52#define BLKEXTENDMASK (BLKEXTEND - 1) 53 54/* | 30 */ 31 32/* 33 * DEFS.H 34 */ 35 36#define USEGUARD /* use stard/end guard bytes */ 37#define USEENDGUARD --- 9 unchanged lines hidden (view full) --- 47/* 48 * block extension for sbrk() 49 */ 50 51#define BLKEXTEND (4 * 1024) 52#define BLKEXTENDMASK (BLKEXTEND - 1) 53 54/* |
| 55 * required malloc alignment. Just hardwire to 16. | 55 * Required malloc alignment. |
| 56 * | 56 * |
| 57 * Note: if we implement a more sophisticated realloc, we should ensure that 58 * MALLOCALIGN is at least as large as MemNode. | 57 * Embedded platforms using the u-boot API drivers require that all I/O buffers 58 * be on a cache line sized boundary. The worst case size for that is 64 bytes. 59 * For other platforms, 16 bytes works fine. The alignment also must be at 60 * least sizeof(struct MemNode); this is asserted in zalloc.c. |
| 59 */ 60 | 61 */ 62 |
| 63#if defined(__arm__) || defined(__mips__) || defined(__powerpc__) 64#define MALLOCALIGN 64 65#else 66#define MALLOCALIGN 16 67#endif 68#define MALLOCALIGN_MASK (MALLOCALIGN - 1) 69 |
|
| 61typedef struct Guard { 62 size_t ga_Bytes; 63 size_t ga_Magic; /* must be at least 32 bits */ 64} Guard; 65 | 70typedef struct Guard { 71 size_t ga_Bytes; 72 size_t ga_Magic; /* must be at least 32 bits */ 73} Guard; 74 |
| 66#define MALLOCALIGN 16 | |
| 67#define GAMAGIC 0x55FF44FD 68#define GAFREE 0x5F54F4DF 69 70#include "zalloc_protos.h" | 75#define GAMAGIC 0x55FF44FD 76#define GAFREE 0x5F54F4DF 77 78#include "zalloc_protos.h" |