* Copyright (c) 2000-2013 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
*/
#ifndef _SYS_MALLOC_H_
-#define _SYS_MALLOC_H_
+#define _SYS_MALLOC_H_
#include <sys/appleapiopts.h>
/*
* flags to malloc
*/
-#define M_WAITOK 0x0000
-#define M_NOWAIT 0x0001
+#define M_WAITOK 0x0000
+#define M_NOWAIT 0x0001
#define M_ZERO 0x0004 /* bzero the allocation */
-#define M_NULL 0x0008 /* return NULL if space is unavailable*/
-
-#ifdef BSD_KERNEL_PRIVATE
-
-#define KMEMSTATS 0
-
-/*
- * Types of memory to be allocated (not all are used by us)
- */
-#define M_FREE 0 /* should be on free list */
-#define M_MBUF 1 /* mbuf */
-#define M_DEVBUF 2 /* device driver memory */
-#define M_SOCKET 3 /* socket structure */
-#define M_PCB 4 /* protocol control block */
-#define M_RTABLE 5 /* routing tables */
-#define M_HTABLE 6 /* IMP host tables */
-#define M_FTABLE 7 /* fragment reassembly header */
-#define M_ZOMBIE 8 /* zombie proc status */
-#define M_IFADDR 9 /* interface address */
-#define M_SOOPTS 10 /* socket options */
-#define M_SONAME 11 /* socket name */
-#define M_NAMEI 12 /* namei path name buffer */
-#define M_GPROF 13 /* kernel profiling buffer */
-#define M_IOCTLOPS 14 /* ioctl data buffer */
-#define M_MAPMEM 15 /* mapped memory descriptors */
-#define M_CRED 16 /* credentials */
-#define M_PGRP 17 /* process group header */
-#define M_SESSION 18 /* session header */
-#define M_IOV32 19 /* large iov's for 32 bit process */
-#define M_MOUNT 20 /* vfs mount struct */
-#define M_FHANDLE 21 /* network file handle */
-#define M_NFSREQ 22 /* NFS request header */
-#define M_NFSMNT 23 /* NFS mount structure */
-#define M_NFSNODE 24 /* NFS vnode private part */
-#define M_VNODE 25 /* Dynamically allocated vnodes */
-#define M_CACHE 26 /* Dynamically allocated cache entries */
-#define M_DQUOT 27 /* UFS quota entries */
-#define M_PROC_UUID_POLICY 28 /* proc UUID policy entries */
-#define M_SHM 29 /* SVID compatible shared memory segments */
-#define M_PLIMIT 30 /* plimit structures */
-#define M_SIGACTS 31 /* sigacts structures */
-#define M_VMOBJ 32 /* VM object structure */
-#define M_VMOBJHASH 33 /* VM object hash structure */
-#define M_VMPMAP 34 /* VM pmap */
-#define M_VMPVENT 35 /* VM phys-virt mapping entry */
-#define M_VMPAGER 36 /* XXX: VM pager struct */
-#define M_VMPGDATA 37 /* XXX: VM pager private data */
-#define M_FILEPROC 38 /* Open file structure */
-#define M_FILEDESC 39 /* Open file descriptor table */
-#define M_LOCKF 40 /* Byte-range locking structures */
-#define M_PROC 41 /* Proc structures */
-#define M_PSTATS 42 /* pstats proc sub-structures */
-#define M_SEGMENT 43 /* Segment for LFS */
-#define M_LFSNODE 44 /* LFS vnode private part */
-#define M_FFSNODE 45 /* FFS vnode private part */
-#define M_MFSNODE 46 /* MFS vnode private part */
-#define M_NQLEASE 47 /* XXX: Nqnfs lease */
-#define M_NQMHOST 48 /* XXX: Nqnfs host address table */
-#define M_NETADDR 49 /* Export host address structure */
-#define M_NFSSVC 50 /* NFS server structure */
-#define M_NFSUID 51 /* XXX: NFS uid mapping structure */
-#define M_NFSD 52 /* NFS server daemon structure */
-#define M_IPMOPTS 53 /* internet multicast options */
-#define M_IPMADDR 54 /* internet multicast address */
-#define M_IFMADDR 55 /* link-level multicast address */
-#define M_MRTABLE 56 /* multicast routing tables */
-#define M_ISOFSMNT 57 /* ISOFS mount structure */
-#define M_ISOFSNODE 58 /* ISOFS vnode private part */
-#define M_NFSRVDESC 59 /* NFS server socket descriptor */
-#define M_NFSDIROFF 60 /* NFS directory offset data */
-#define M_NFSBIGFH 61 /* NFS version 3 file handle */
-#define M_MSDOSFSMNT 62 /* MSDOS FS mount structure */
-#define M_MSDOSFSFAT 63 /* MSDOS FS fat table */
-#define M_MSDOSFSNODE 64 /* MSDOS FS vnode private part */
-#define M_TTYS 65 /* allocated tty structures */
-#define M_EXEC 66 /* argument lists & other mem used by exec */
-#define M_MISCFSMNT 67 /* miscfs mount structures */
-#define M_MISCFSNODE 68 /* miscfs vnode private part */
-#define M_ADOSFSMNT 69 /* adosfs mount structures */
-#define M_ADOSFSNODE 70 /* adosfs vnode private part */
-#define M_ANODE 71 /* adosfs anode structures and tables. */
-#define M_BUFHDR 72 /* File buffer cache headers */
-#define M_OFILETABL 73 /* Open file descriptor table */
-#define M_MCLUST 74 /* mbuf cluster buffers */
-/* unused 75 */
-/* unused 76 */
-/* unused 77 */
-/* unused 78 */
-/* unused 79 */
-#define M_TEMP 80 /* misc temporary data buffers */
-#define M_SECA 81 /* security associations, key management */
-#define M_DEVFS 82
-#define M_IPFW 83 /* IP Forwarding/NAT */
-#define M_UDFNODE 84 /* UDF inodes */
-#define M_UDFMNT 85 /* UDF mount structures */
-#define M_IP6NDP 86 /* IPv6 Neighbour Discovery*/
-#define M_IP6OPT 87 /* IPv6 options management */
-#define M_IP6MISC 88 /* IPv6 misc. memory */
-/* unused 89 */
-#define M_IGMP 90
-/* unused 91 */
-/* unused 92 */
-#define M_SPECINFO 93 /* special file node */
-#define M_KQUEUE 94 /* kqueue system */
-/* unused 95 */
-#define M_CLRDAHEAD 96 /* storage for cluster read-ahead state */
-#define M_CLWRBEHIND 97 /* storage for cluster write-behind state */
-#define M_IOV64 98 /* large iov's for 64 bit process */
-#define M_FILEGLOB 99 /* fileglobal */
-#define M_KAUTH 100 /* kauth subsystem */
-#define M_DUMMYNET 101 /* dummynet */
-/* M_UNSAFEFS 102 */
-#define M_MACPIPELABEL 103 /* MAC pipe labels */
-#define M_MACTEMP 104 /* MAC framework */
-#define M_SBUF 105 /* string buffers */
-#define M_EXTATTR 106 /* extended attribute */
-#define M_SELECT 107 /* per-thread select memory */
-/* M_TRAFFIC_MGT 108 */
-#if FS_COMPRESSION
-#define M_DECMPFS_CNODE 109 /* decmpfs cnode structures */
-#endif /* FS_COMPRESSION */
-#define M_INMFILTER 110 /* IPv4 multicast PCB-layer source filter */
-#define M_IPMSOURCE 111 /* IPv4 multicast IGMP-layer source filter */
-#define M_IN6MFILTER 112 /* IPv6 multicast PCB-layer source filter */
-#define M_IP6MOPTS 113 /* IPv6 multicast options */
-#define M_IP6MSOURCE 114 /* IPv6 multicast MLD-layer source filter */
-#define M_FLOW_DIVERT_PCB 115 /* flow divert control block */
-#define M_FLOW_DIVERT_GROUP 116 /* flow divert socket group */
-#define M_IP6CGA 117
-#define M_NECP 118 /* General NECP policy data */
-#define M_NECP_SESSION_POLICY 119 /* NECP session policies */
-#define M_NECP_SOCKET_POLICY 120 /* NECP socket-level policies */
-#define M_NECP_IP_POLICY 121 /* NECP IP-level policies */
-#define M_FD_VN_DATA 122 /* Per fd vnode data */
-#define M_FD_DIRBUF 123 /* Directory entries' buffer */
-#define M_NETAGENT 124 /* Network Agents */
-#define M_EVENTHANDLER 125 /* Eventhandler */
-#define M_LLTABLE 126 /* Link layer table */
-#define M_NWKWQ 127 /* Network work queue */
-#define M_CFIL 128 /* Content Filter */
-
-#define M_LAST 129 /* Must be last type + 1 */
-
-#else /* BSD_KERNEL_PRIVATE */
-
-#define M_RTABLE 5 /* routing tables */
-#define M_IFADDR 9 /* interface address (IOFireWireIP)*/
-#define M_LOCKF 40 /* Byte-range locking structures (msdos) */
-#define M_TEMP 80 /* misc temporary data buffers */
-#define M_KAUTH 100 /* kauth subsystem (smb) */
-#define M_SONAME 11 /* socket name (smb) */
-#define M_PCB 4 /* protocol control block (smb) */
-#define M_UDFNODE 84 /* UDF inodes (udf)*/
-#define M_UDFMNT 85 /* UDF mount structures (udf)*/
-
-#endif /* BSD_KERNEL_PRIVATE */
+#define M_NULL 0x0008 /* return NULL if space is unavailable*/
-#ifdef BSD_KERNEL_PRIVATE
-
-#if KMEMSTATS
-struct kmemstats {
- long ks_inuse; /* # of packets of this type currently
- * in use */
- long ks_calls; /* total packets of this type ever allocated */
- long ks_memuse; /* total memory held in bytes */
- u_short ks_limblocks; /* number of times blocked for hitting limit */
- u_short ks_mapblocks; /* number of times blocked for kernel map */
- long ks_maxused; /* maximum number ever used */
- long ks_limit; /* most that are allowed to exist */
- long ks_size; /* sizes of this thing that are allocated */
- long ks_spare;
-};
+#ifdef XNU_KERNEL_PRIVATE
-extern struct kmemstats kmemstats[];
-#endif /* KMEMSTATS */
+#include <mach/vm_types.h>
+#include <kern/kalloc.h>
-#endif /* BSD_KERNEL_PRIVATE */
+ZONE_VIEW_DECLARE(ZV_NAMEI);
/*
- * The malloc/free primatives used
- * by the BSD kernel code.
+ * Types of memory to be allocated (not all are used by us)
*/
-#ifdef XNU_KERNEL_PRIVATE
-
-#include <mach/vm_types.h>
-
-#define MALLOC(space, cast, size, type, flags) \
- ({ VM_ALLOC_SITE_STATIC(0, 0); \
+#define M_DEVBUF 2 /* device driver memory */
+#define M_PCB 4 /* protocol control block */
+#define M_RTABLE 5 /* routing tables */
+#define M_IFADDR 9 /* interface address */
+#define M_SONAME 11 /* socket name */
+#define M_PGRP 17 /* process group header */
+#define M_FHANDLE 21 /* network file handle */
+#define M_NFSNODE 24 /* NFS vnode private part */
+#define M_VNODE 25 /* Dynamically allocated vnodes */
+#define M_CACHE 26 /* Dynamically allocated cache entries */
+#define M_DQUOT 27 /* UFS quota entries */
+#define M_PROC_UUID_POLICY 28 /* proc UUID policy entries */
+#define M_SHM 29 /* SVID compatible shared memory segments */
+#define M_LOCKF 40 /* Byte-range locking structures */
+#define M_PROC 41 /* Proc structures */
+#define M_NETADDR 49 /* Export host address structure */
+#define M_NFSSVC 50 /* NFS server structure */
+#define M_NFSD 52 /* NFS server daemon structure */
+#define M_IPMOPTS 53 /* internet multicast options */
+#define M_IFMADDR 55 /* link-level multicast address */
+#define M_NFSBIO 58 /* NFS client I/O buffers */
+#define M_NFSBIGFH 61 /* NFS version 3 file handle */
+#define M_TTYS 65 /* allocated tty structures */
+#define M_OFILETABL 73 /* Open file descriptor table */
+#define M_TEMP 80 /* misc temporary data buffers */
+#define M_SECA 81 /* security associations, key management */
+#define M_DEVFS 82
+#define M_UDFNODE 84 /* UDF inodes */
+#define M_UDFMNT 85 /* UDF mount structures */
+#define M_IP6OPT 87 /* IPv6 options management */
+#define M_KQUEUE 94 /* kqueue system */
+#define M_KAUTH 100 /* kauth subsystem */
+#define M_DUMMYNET 101 /* dummynet */
+#define M_MACTEMP 104 /* MAC framework */
+#define M_SBUF 105 /* string buffers */
+#define M_SELECT 107 /* per-thread select memory */
+#define M_INMFILTER 110 /* IPv4 multicast PCB-layer source filter */
+#define M_IN6MFILTER 112 /* IPv6 multicast PCB-layer source filter */
+#define M_IP6MOPTS 113 /* IPv6 multicast options */
+#define M_IP6CGA 117
+#define M_NECP 118 /* General NECP policy data */
+#define M_FD_VN_DATA 122 /* Per fd vnode data */
+#define M_FD_DIRBUF 123 /* Directory entries' buffer */
+#define M_NETAGENT 124 /* Network Agents */
+#define M_EVENTHANDLER 125 /* Eventhandler */
+#define M_LLTABLE 126 /* Link layer table */
+#define M_NWKWQ 127 /* Network work queue */
+#define M_CFIL 128 /* Content Filter */
+
+#define M_LAST 129 /* Must be last type + 1 */
+
+#define MALLOC(space, cast, size, type, flags) \
+ ({ VM_ALLOC_SITE_STATIC(0, 0); \
(space) = (cast)__MALLOC(size, type, flags, &site); })
-#define REALLOC(space, cast, addr, size, type, flags) \
- ({ VM_ALLOC_SITE_STATIC(0, 0); \
+#define REALLOC(space, cast, addr, size, type, flags) \
+ ({ VM_ALLOC_SITE_STATIC(0, 0); \
(space) = (cast)__REALLOC(addr, size, type, flags, &site); })
-#define _MALLOC(size, type, flags) \
- ({ VM_ALLOC_SITE_STATIC(0, 0); \
+#define _MALLOC(size, type, flags) \
+ ({ VM_ALLOC_SITE_STATIC(0, 0); \
__MALLOC(size, type, flags, &site); })
-#define _REALLOC(addr, size, type, flags) \
- ({ VM_ALLOC_SITE_STATIC(0, 0); \
- __REALLOC(addr, size, type, flags, &site); })
-
-#define _MALLOC_ZONE(size, type, flags) \
- ({ VM_ALLOC_SITE_STATIC(0, 0); \
- __MALLOC_ZONE(size, type, flags, &site); })
-
-#define FREE(addr, type) \
- _FREE((void *)addr, type)
-#define MALLOC_ZONE(space, cast, size, type, flags) \
- (space) = (cast)_MALLOC_ZONE(size, type, flags)
-
-#define FREE_ZONE(addr, size, type) \
- _FREE_ZONE((void *)addr, size, type)
+#define _REALLOC(addr, size, type, flags) \
+ ({ VM_ALLOC_SITE_STATIC(0, 0); \
+ __REALLOC(addr, size, type, flags, &site); })
-extern void *__MALLOC(
- size_t size,
- int type,
- int flags,
- vm_allocation_site_t *site) __attribute__((alloc_size(1)));
+#define _FREE(addr, type) \
+ (kheap_free_addr)(KHEAP_DEFAULT, addr)
-extern void _FREE(
- void *addr,
- int type);
+#define FREE(addr, type) \
+ kheap_free_addr(KHEAP_DEFAULT, addr)
-extern void *__REALLOC(
- void *addr,
- size_t size,
- int type,
- int flags,
- vm_allocation_site_t *site) __attribute__((alloc_size(2)));
+#pragma GCC visibility push(hidden)
-extern void *__MALLOC_ZONE(
- size_t size,
- int type,
- int flags,
- vm_allocation_site_t *site);
+extern void *__MALLOC(
+ size_t size,
+ int type,
+ int flags,
+ vm_allocation_site_t *site) __attribute__((alloc_size(1)));
-extern void _FREE_ZONE(
- void *elem,
- size_t size,
- int type);
+extern void *__REALLOC(
+ void *addr,
+ size_t size,
+ int type,
+ int flags,
+ vm_allocation_site_t *site) __attribute__((alloc_size(2)));
+#pragma GCC visibility pop
#else /* XNU_KERNEL_PRIVATE */
-#define MALLOC(space, cast, size, type, flags) \
+#define M_PCB 4 /* protocol control block (smb) */
+#define M_RTABLE 5 /* routing tables */
+#define M_IFADDR 9 /* interface address (IOFireWireIP)*/
+#define M_SONAME 11 /* socket name (smb) */
+#define M_LOCKF 40 /* Byte-range locking structures (msdos) */
+#define M_TEMP 80 /* misc temporary data buffers */
+#define M_UDFNODE 84 /* UDF inodes (udf)*/
+#define M_UDFMNT 85 /* UDF mount structures (udf)*/
+#define M_KAUTH 100 /* kauth subsystem (smb) */
+
+#define MALLOC(space, cast, size, type, flags) \
(space) = (cast)_MALLOC(size, type, flags)
#define FREE(addr, type) \
_FREE((void *)addr, type)
-#define REALLOC(space, cast, addr, size, type, flags) \
- (space) = (cast)_REALLOC(addr, size, type, flags)
-
#define MALLOC_ZONE(space, cast, size, type, flags) \
(space) = (cast)_MALLOC_ZONE(size, type, flags)
#define FREE_ZONE(addr, size, type) \
_FREE_ZONE((void *)addr, size, type)
-extern void *_MALLOC(
- size_t size,
- int type,
- int flags);
-
-extern void _FREE(
- void *addr,
- int type);
-
-extern void *_REALLOC(
- void *addr,
- size_t size,
- int type,
- int flags);
+extern void *_MALLOC(
+ size_t size,
+ int type,
+ int flags);
-extern void *_MALLOC_ZONE(
- size_t size,
- int type,
- int flags);
+extern void _FREE(
+ void *addr,
+ int type);
-extern void _FREE_ZONE(
- void *elem,
- size_t size,
- int type);
+extern void *_MALLOC_ZONE(
+ size_t size,
+ int type,
+ int flags);
+extern void _FREE_ZONE(
+ void *elem,
+ size_t size,
+ int type);
#endif /* !XNU_KERNEL_PRIVATE */
-#endif /* KERNEL */
+#endif /* KERNEL */
-#endif /* _SYS_MALLOC_H_ */
+#endif /* _SYS_MALLOC_H_ */
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