1 | /* |
2 | * Copyright (c) 2000-2013 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */ |
29 | /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ |
30 | /* |
31 | * Copyright (c) 1987, 1993 |
32 | * The Regents of the University of California. All rights reserved. |
33 | * |
34 | * Redistribution and use in source and binary forms, with or without |
35 | * modification, are permitted provided that the following conditions |
36 | * are met: |
37 | * 1. Redistributions of source code must retain the above copyright |
38 | * notice, this list of conditions and the following disclaimer. |
39 | * 2. Redistributions in binary form must reproduce the above copyright |
40 | * notice, this list of conditions and the following disclaimer in the |
41 | * documentation and/or other materials provided with the distribution. |
42 | * 3. All advertising materials mentioning features or use of this software |
43 | * must display the following acknowledgement: |
44 | * This product includes software developed by the University of |
45 | * California, Berkeley and its contributors. |
46 | * 4. Neither the name of the University nor the names of its contributors |
47 | * may be used to endorse or promote products derived from this software |
48 | * without specific prior written permission. |
49 | * |
50 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
53 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
56 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
57 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
58 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
59 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
60 | * SUCH DAMAGE. |
61 | * |
62 | * @(#)malloc.h 8.5 (Berkeley) 5/3/95 |
63 | */ |
64 | /* |
65 | * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce |
66 | * support for mandatory and extensible security protections. This notice |
67 | * is included in support of clause 2.2 (b) of the Apple Public License, |
68 | * Version 2.0. |
69 | */ |
70 | |
71 | #ifndef _SYS_MALLOC_H_ |
72 | #define _SYS_MALLOC_H_ |
73 | |
74 | #include <sys/appleapiopts.h> |
75 | |
76 | |
77 | #ifdef KERNEL |
78 | /* |
79 | * flags to malloc |
80 | */ |
81 | #define M_WAITOK 0x0000 |
82 | #define M_NOWAIT 0x0001 |
83 | #define M_ZERO 0x0004 /* bzero the allocation */ |
84 | #define M_NULL 0x0008 /* return NULL if space is unavailable*/ |
85 | |
86 | #ifdef BSD_KERNEL_PRIVATE |
87 | |
88 | #define KMEMSTATS 0 |
89 | |
90 | /* |
91 | * Types of memory to be allocated (not all are used by us) |
92 | */ |
93 | #define M_FREE 0 /* should be on free list */ |
94 | #define M_MBUF 1 /* mbuf */ |
95 | #define M_DEVBUF 2 /* device driver memory */ |
96 | #define M_SOCKET 3 /* socket structure */ |
97 | #define M_PCB 4 /* protocol control block */ |
98 | #define M_RTABLE 5 /* routing tables */ |
99 | #define M_HTABLE 6 /* IMP host tables */ |
100 | #define M_FTABLE 7 /* fragment reassembly header */ |
101 | #define M_ZOMBIE 8 /* zombie proc status */ |
102 | #define M_IFADDR 9 /* interface address */ |
103 | #define M_SOOPTS 10 /* socket options */ |
104 | #define M_SONAME 11 /* socket name */ |
105 | #define M_NAMEI 12 /* namei path name buffer */ |
106 | #define M_GPROF 13 /* kernel profiling buffer */ |
107 | #define M_IOCTLOPS 14 /* ioctl data buffer */ |
108 | #define M_MAPMEM 15 /* mapped memory descriptors */ |
109 | #define M_CRED 16 /* credentials */ |
110 | #define M_PGRP 17 /* process group header */ |
111 | #define M_SESSION 18 /* session header */ |
112 | #define M_IOV32 19 /* large iov's for 32 bit process */ |
113 | #define M_MOUNT 20 /* vfs mount struct */ |
114 | #define M_FHANDLE 21 /* network file handle */ |
115 | #define M_NFSREQ 22 /* NFS request header */ |
116 | #define M_NFSMNT 23 /* NFS mount structure */ |
117 | #define M_NFSNODE 24 /* NFS vnode private part */ |
118 | #define M_VNODE 25 /* Dynamically allocated vnodes */ |
119 | #define M_CACHE 26 /* Dynamically allocated cache entries */ |
120 | #define M_DQUOT 27 /* UFS quota entries */ |
121 | #define M_PROC_UUID_POLICY 28 /* proc UUID policy entries */ |
122 | #define M_SHM 29 /* SVID compatible shared memory segments */ |
123 | #define M_PLIMIT 30 /* plimit structures */ |
124 | #define M_SIGACTS 31 /* sigacts structures */ |
125 | #define M_VMOBJ 32 /* VM object structure */ |
126 | #define M_VMOBJHASH 33 /* VM object hash structure */ |
127 | #define M_VMPMAP 34 /* VM pmap */ |
128 | #define M_VMPVENT 35 /* VM phys-virt mapping entry */ |
129 | #define 36 /* XXX: VM pager struct */ |
130 | #define M_VMPGDATA 37 /* XXX: VM pager private data */ |
131 | #define M_FILEPROC 38 /* Open file structure */ |
132 | #define M_FILEDESC 39 /* Open file descriptor table */ |
133 | #define M_LOCKF 40 /* Byte-range locking structures */ |
134 | #define M_PROC 41 /* Proc structures */ |
135 | #define M_PSTATS 42 /* pstats proc sub-structures */ |
136 | #define M_SEGMENT 43 /* Segment for LFS */ |
137 | #define M_LFSNODE 44 /* LFS vnode private part */ |
138 | #define M_FFSNODE 45 /* FFS vnode private part */ |
139 | #define M_MFSNODE 46 /* MFS vnode private part */ |
140 | #define M_NQLEASE 47 /* XXX: Nqnfs lease */ |
141 | #define M_NQMHOST 48 /* XXX: Nqnfs host address table */ |
142 | #define M_NETADDR 49 /* Export host address structure */ |
143 | #define M_NFSSVC 50 /* NFS server structure */ |
144 | #define M_NFSUID 51 /* XXX: NFS uid mapping structure */ |
145 | #define M_NFSD 52 /* NFS server daemon structure */ |
146 | #define M_IPMOPTS 53 /* internet multicast options */ |
147 | #define M_IPMADDR 54 /* internet multicast address */ |
148 | #define M_IFMADDR 55 /* link-level multicast address */ |
149 | #define M_MRTABLE 56 /* multicast routing tables */ |
150 | #define M_ISOFSMNT 57 /* ISOFS mount structure */ |
151 | #define M_ISOFSNODE 58 /* ISOFS vnode private part */ |
152 | #define M_NFSRVDESC 59 /* NFS server socket descriptor */ |
153 | #define M_NFSDIROFF 60 /* NFS directory offset data */ |
154 | #define M_NFSBIGFH 61 /* NFS version 3 file handle */ |
155 | #define M_MSDOSFSMNT 62 /* MSDOS FS mount structure */ |
156 | #define M_MSDOSFSFAT 63 /* MSDOS FS fat table */ |
157 | #define M_MSDOSFSNODE 64 /* MSDOS FS vnode private part */ |
158 | #define M_TTYS 65 /* allocated tty structures */ |
159 | #define M_EXEC 66 /* argument lists & other mem used by exec */ |
160 | #define M_MISCFSMNT 67 /* miscfs mount structures */ |
161 | #define M_MISCFSNODE 68 /* miscfs vnode private part */ |
162 | #define M_ADOSFSMNT 69 /* adosfs mount structures */ |
163 | #define M_ADOSFSNODE 70 /* adosfs vnode private part */ |
164 | #define M_ANODE 71 /* adosfs anode structures and tables. */ |
165 | #define M_BUFHDR 72 /* File buffer cache headers */ |
166 | #define M_OFILETABL 73 /* Open file descriptor table */ |
167 | #define M_MCLUST 74 /* mbuf cluster buffers */ |
168 | /* unused 75 */ |
169 | /* unused 76 */ |
170 | /* unused 77 */ |
171 | /* unused 78 */ |
172 | /* unused 79 */ |
173 | #define M_TEMP 80 /* misc temporary data buffers */ |
174 | #define M_SECA 81 /* security associations, key management */ |
175 | #define M_DEVFS 82 |
176 | #define M_IPFW 83 /* IP Forwarding/NAT */ |
177 | #define M_UDFNODE 84 /* UDF inodes */ |
178 | #define M_UDFMNT 85 /* UDF mount structures */ |
179 | #define M_IP6NDP 86 /* IPv6 Neighbour Discovery*/ |
180 | #define M_IP6OPT 87 /* IPv6 options management */ |
181 | #define M_IP6MISC 88 /* IPv6 misc. memory */ |
182 | /* unused 89 */ |
183 | #define M_IGMP 90 |
184 | /* unused 91 */ |
185 | /* unused 92 */ |
186 | #define M_SPECINFO 93 /* special file node */ |
187 | #define M_KQUEUE 94 /* kqueue system */ |
188 | /* unused 95 */ |
189 | #define M_CLRDAHEAD 96 /* storage for cluster read-ahead state */ |
190 | #define M_CLWRBEHIND 97 /* storage for cluster write-behind state */ |
191 | #define M_IOV64 98 /* large iov's for 64 bit process */ |
192 | #define M_FILEGLOB 99 /* fileglobal */ |
193 | #define M_KAUTH 100 /* kauth subsystem */ |
194 | #define M_DUMMYNET 101 /* dummynet */ |
195 | /* M_UNSAFEFS 102 */ |
196 | #define M_MACPIPELABEL 103 /* MAC pipe labels */ |
197 | #define M_MACTEMP 104 /* MAC framework */ |
198 | #define M_SBUF 105 /* string buffers */ |
199 | #define M_EXTATTR 106 /* extended attribute */ |
200 | #define M_SELECT 107 /* per-thread select memory */ |
201 | /* M_TRAFFIC_MGT 108 */ |
202 | #if FS_COMPRESSION |
203 | #define M_DECMPFS_CNODE 109 /* decmpfs cnode structures */ |
204 | #endif /* FS_COMPRESSION */ |
205 | #define M_INMFILTER 110 /* IPv4 multicast PCB-layer source filter */ |
206 | #define M_IPMSOURCE 111 /* IPv4 multicast IGMP-layer source filter */ |
207 | #define M_IN6MFILTER 112 /* IPv6 multicast PCB-layer source filter */ |
208 | #define M_IP6MOPTS 113 /* IPv6 multicast options */ |
209 | #define M_IP6MSOURCE 114 /* IPv6 multicast MLD-layer source filter */ |
210 | #define M_FLOW_DIVERT_PCB 115 /* flow divert control block */ |
211 | #define M_FLOW_DIVERT_GROUP 116 /* flow divert socket group */ |
212 | #define M_IP6CGA 117 |
213 | #define M_NECP 118 /* General NECP policy data */ |
214 | #define M_NECP_SESSION_POLICY 119 /* NECP session policies */ |
215 | #define M_NECP_SOCKET_POLICY 120 /* NECP socket-level policies */ |
216 | #define M_NECP_IP_POLICY 121 /* NECP IP-level policies */ |
217 | #define M_FD_VN_DATA 122 /* Per fd vnode data */ |
218 | #define M_FD_DIRBUF 123 /* Directory entries' buffer */ |
219 | #define M_NETAGENT 124 /* Network Agents */ |
220 | #define M_EVENTHANDLER 125 /* Eventhandler */ |
221 | #define M_LLTABLE 126 /* Link layer table */ |
222 | #define M_NWKWQ 127 /* Network work queue */ |
223 | #define M_CFIL 128 /* Content Filter */ |
224 | |
225 | #define M_LAST 129 /* Must be last type + 1 */ |
226 | |
227 | #else /* BSD_KERNEL_PRIVATE */ |
228 | |
229 | #define M_RTABLE 5 /* routing tables */ |
230 | #define M_IFADDR 9 /* interface address (IOFireWireIP)*/ |
231 | #define M_LOCKF 40 /* Byte-range locking structures (msdos) */ |
232 | #define M_TEMP 80 /* misc temporary data buffers */ |
233 | #define M_KAUTH 100 /* kauth subsystem (smb) */ |
234 | #define M_SONAME 11 /* socket name (smb) */ |
235 | #define M_PCB 4 /* protocol control block (smb) */ |
236 | #define M_UDFNODE 84 /* UDF inodes (udf)*/ |
237 | #define M_UDFMNT 85 /* UDF mount structures (udf)*/ |
238 | |
239 | #endif /* BSD_KERNEL_PRIVATE */ |
240 | |
241 | #ifdef BSD_KERNEL_PRIVATE |
242 | |
243 | #if KMEMSTATS |
244 | struct kmemstats { |
245 | long ks_inuse; /* # of packets of this type currently |
246 | * in use */ |
247 | long ks_calls; /* total packets of this type ever allocated */ |
248 | long ks_memuse; /* total memory held in bytes */ |
249 | u_short ks_limblocks; /* number of times blocked for hitting limit */ |
250 | u_short ks_mapblocks; /* number of times blocked for kernel map */ |
251 | long ks_maxused; /* maximum number ever used */ |
252 | long ks_limit; /* most that are allowed to exist */ |
253 | long ks_size; /* sizes of this thing that are allocated */ |
254 | long ks_spare; |
255 | }; |
256 | |
257 | extern struct kmemstats kmemstats[]; |
258 | #endif /* KMEMSTATS */ |
259 | |
260 | #endif /* BSD_KERNEL_PRIVATE */ |
261 | |
262 | /* |
263 | * The malloc/free primatives used |
264 | * by the BSD kernel code. |
265 | */ |
266 | #ifdef XNU_KERNEL_PRIVATE |
267 | |
268 | #include <mach/vm_types.h> |
269 | |
270 | #define MALLOC(space, cast, size, type, flags) \ |
271 | ({ VM_ALLOC_SITE_STATIC(0, 0); \ |
272 | (space) = (cast)__MALLOC(size, type, flags, &site); }) |
273 | |
274 | #define REALLOC(space, cast, addr, size, type, flags) \ |
275 | ({ VM_ALLOC_SITE_STATIC(0, 0); \ |
276 | (space) = (cast)__REALLOC(addr, size, type, flags, &site); }) |
277 | |
278 | #define _MALLOC(size, type, flags) \ |
279 | ({ VM_ALLOC_SITE_STATIC(0, 0); \ |
280 | __MALLOC(size, type, flags, &site); }) |
281 | #define _REALLOC(addr, size, type, flags) \ |
282 | ({ VM_ALLOC_SITE_STATIC(0, 0); \ |
283 | __REALLOC(addr, size, type, flags, &site); }) |
284 | |
285 | #define _MALLOC_ZONE(size, type, flags) \ |
286 | ({ VM_ALLOC_SITE_STATIC(0, 0); \ |
287 | __MALLOC_ZONE(size, type, flags, &site); }) |
288 | |
289 | #define FREE(addr, type) \ |
290 | _FREE((void *)addr, type) |
291 | |
292 | #define MALLOC_ZONE(space, cast, size, type, flags) \ |
293 | (space) = (cast)_MALLOC_ZONE(size, type, flags) |
294 | |
295 | #define FREE_ZONE(addr, size, type) \ |
296 | _FREE_ZONE((void *)addr, size, type) |
297 | |
298 | extern void *__MALLOC( |
299 | size_t size, |
300 | int type, |
301 | int flags, |
302 | vm_allocation_site_t *site) __attribute__((alloc_size(1))); |
303 | |
304 | extern void _FREE( |
305 | void *addr, |
306 | int type); |
307 | |
308 | extern void *__REALLOC( |
309 | void *addr, |
310 | size_t size, |
311 | int type, |
312 | int flags, |
313 | vm_allocation_site_t *site) __attribute__((alloc_size(2))); |
314 | |
315 | extern void *__MALLOC_ZONE( |
316 | size_t size, |
317 | int type, |
318 | int flags, |
319 | vm_allocation_site_t *site); |
320 | |
321 | extern void _FREE_ZONE( |
322 | void *elem, |
323 | size_t size, |
324 | int type); |
325 | |
326 | #else /* XNU_KERNEL_PRIVATE */ |
327 | |
328 | #define MALLOC(space, cast, size, type, flags) \ |
329 | (space) = (cast)_MALLOC(size, type, flags) |
330 | |
331 | #define FREE(addr, type) \ |
332 | _FREE((void *)addr, type) |
333 | |
334 | #define REALLOC(space, cast, addr, size, type, flags) \ |
335 | (space) = (cast)_REALLOC(addr, size, type, flags) |
336 | |
337 | #define MALLOC_ZONE(space, cast, size, type, flags) \ |
338 | (space) = (cast)_MALLOC_ZONE(size, type, flags) |
339 | |
340 | #define FREE_ZONE(addr, size, type) \ |
341 | _FREE_ZONE((void *)addr, size, type) |
342 | |
343 | extern void *_MALLOC( |
344 | size_t size, |
345 | int type, |
346 | int flags); |
347 | |
348 | extern void _FREE( |
349 | void *addr, |
350 | int type); |
351 | |
352 | extern void *_REALLOC( |
353 | void *addr, |
354 | size_t size, |
355 | int type, |
356 | int flags); |
357 | |
358 | extern void *_MALLOC_ZONE( |
359 | size_t size, |
360 | int type, |
361 | int flags); |
362 | |
363 | extern void _FREE_ZONE( |
364 | void *elem, |
365 | size_t size, |
366 | int type); |
367 | |
368 | |
369 | #endif /* !XNU_KERNEL_PRIVATE */ |
370 | |
371 | #endif /* KERNEL */ |
372 | |
373 | #endif /* _SYS_MALLOC_H_ */ |
374 | |