X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..f427ee49d309d8fc33ebf3042c3a775f2f530ded:/bsd/sys/malloc.h diff --git a/bsd/sys/malloc.h b/bsd/sys/malloc.h index 4d7181d44..4bf21625f 100644 --- a/bsd/sys/malloc.h +++ b/bsd/sys/malloc.h @@ -1,31 +1,29 @@ /* - * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved. - * - * @APPLE_LICENSE_OSREFERENCE_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 - * compliance with the License. The rights granted to you under the - * License may not be used to create, or enable the creation or - * redistribution of, 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. + * Copyright (c) 2000-2013 Apple Inc. All rights reserved. * - * Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * 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, - * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * 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 + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * 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, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * 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_LICENSE_OSREFERENCE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */ /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ @@ -63,9 +61,15 @@ * * @(#)malloc.h 8.5 (Berkeley) 5/3/95 */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #ifndef _SYS_MALLOC_H_ -#define _SYS_MALLOC_H_ +#define _SYS_MALLOC_H_ #include @@ -74,273 +78,123 @@ /* * 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 XNU_KERNEL_PRIVATE -#ifdef BSD_KERNEL_PRIVATE +#include +#include -#define KMEMSTATS +ZONE_VIEW_DECLARE(ZV_NAMEI); /* * 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_UFSMNT 28 /* UFS mount structure */ -#define M_SHM 29 /* SVID compatible shared memory segments */ -#define M_VMMAP 30 /* VM map structures */ -#define M_VMMAPENT 31 /* VM map entry 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_SUBPROC 42 /* 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 /* 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 */ -#define M_HFSMNT 75 /* HFS mount structure */ -#define M_HFSNODE 76 /* HFS catalog node */ -#define M_HFSFORK 77 /* HFS file fork */ -#define M_VOLFSMNT 78 /* VOLFS mount structure */ -#define M_VOLFSNODE 79 /* VOLFS private node part */ -#define M_TEMP 80 /* misc temporary data buffers */ -#define M_KTRACE M_TEMP /* ktrace 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 */ -#define M_TSEGQ 89 /* TCP segment queue entry */ -#define M_IGMP 90 -#define M_JNL_JNL 91 /* Journaling: "struct journal" */ -#define M_JNL_TR 92 /* Journaling: "struct transaction" */ -#define M_SPECINFO 93 /* special file node */ -#define M_KQUEUE 94 /* kqueue */ -#define M_HFSDIRHINT 95 /* HFS directory hint */ -#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 */ -#define M_UNSAFEFS 102 /* storage for vnode lock state for unsafe FS */ - -#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_HFSMNT 75 /* HFS mount structure (afpfs) */ -#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 */ - -#ifdef BSD_KERNEL_PRIVATE - - -#define M_LAST 103 /* Must be last type + 1 */ - -/* Strings corresponding to types of memory */ -/* Must be in synch with the #defines above */ -#define INITKMEMNAMES { \ - "free", /* 0 M_FREE */ \ - "mbuf", /* 1 M_MBUF */ \ - "devbuf", /* 2 M_DEVBUF */ \ - "socket", /* 3 M_SOCKET */ \ - "pcb", /* 4 M_PCB */ \ - "routetbl", /* 5 M_RTABLE */ \ - "hosttbl", /* 6 M_HTABLE */ \ - "fragtbl", /* 7 M_FTABLE */ \ - "zombie", /* 8 M_ZOMBIE */ \ - "ifaddr", /* 9 M_IFADDR */ \ - "soopts", /* 10 M_SOOPTS */ \ - "soname", /* 11 M_SONAME */ \ - "namei", /* 12 M_NAMEI */ \ - "gprof", /* 13 M_GPROF */ \ - "ioctlops", /* 14 M_IOCTLOPS */ \ - "mapmem", /* 15 M_MAPMEM */ \ - "cred", /* 16 M_CRED */ \ - "pgrp", /* 17 M_PGRP */ \ - "session", /* 18 M_SESSION */ \ - "iov32", /* 19 M_IOV32 */ \ - "mount", /* 20 M_MOUNT */ \ - "fhandle", /* 21 M_FHANDLE */ \ - "NFS req", /* 22 M_NFSREQ */ \ - "NFS mount", /* 23 M_NFSMNT */ \ - "NFS node", /* 24 M_NFSNODE */ \ - "vnodes", /* 25 M_VNODE */ \ - "namecache", /* 26 M_CACHE */ \ - "UFS quota", /* 27 M_DQUOT */ \ - "UFS mount", /* 28 M_UFSMNT */ \ - "shm", /* 29 M_SHM */ \ - "VM map", /* 30 M_VMMAP */ \ - "VM mapent", /* 31 M_VMMAPENT */ \ - "VM object", /* 32 M_VMOBJ */ \ - "VM objhash", /* 33 M_VMOBJHASH */ \ - "VM pmap", /* 34 M_VMPMAP */ \ - "VM pvmap", /* 35 M_VMPVENT */ \ - "VM pager", /* 36 M_VMPAGER */ \ - "VM pgdata", /* 37 M_VMPGDATA */ \ - "fileproc", /* 38 M_FILEPROC */ \ - "file desc", /* 39 M_FILEDESC */ \ - "lockf", /* 40 M_LOCKF */ \ - "proc", /* 41 M_PROC */ \ - "subproc", /* 42 M_SUBPROC */ \ - "LFS segment", /* 43 M_SEGMENT */ \ - "LFS node", /* 44 M_LFSNODE */ \ - "FFS node", /* 45 M_FFSNODE */ \ - "MFS node", /* 46 M_MFSNODE */ \ - "NQNFS Lease", /* 47 M_NQLEASE */ \ - "NQNFS Host", /* 48 M_NQMHOST */ \ - "Export Host", /* 49 M_NETADDR */ \ - "NFS srvsock", /* 50 M_NFSSVC */ \ - "NFS uid", /* 51 M_NFSUID */ \ - "NFS daemon", /* 52 M_NFSD */ \ - "ip_moptions", /* 53 M_IPMOPTS */ \ - "in_multi", /* 54 M_IPMADDR */ \ - "ether_multi", /* 55 M_IFMADDR */ \ - "mrt", /* 56 M_MRTABLE */ \ - "ISOFS mount", /* 57 M_ISOFSMNT */ \ - "ISOFS node", /* 58 M_ISOFSNODE */ \ - "NFSV3 srvdesc",/* 59 M_NFSRVDESC */ \ - "NFSV3 diroff", /* 60 M_NFSDIROFF */ \ - "NFSV3 bigfh", /* 61 M_NFSBIGFH */ \ - "MSDOSFS mount",/* 62 M_MSDOSFSMNT */ \ - "MSDOSFS fat", /* 63 M_MSDOSFSFAT */ \ - "MSDOSFS node", /* 64 M_MSDOSFSNODE */ \ - "ttys", /* 65 M_TTYS */ \ - "exec", /* 66 M_EXEC */ \ - "miscfs mount", /* 67 M_MISCFSMNT */ \ - "miscfs node", /* 68 M_MISCFSNODE */ \ - "adosfs mount", /* 69 M_ADOSFSMNT */ \ - "adosfs node", /* 70 M_ADOSFSNODE */ \ - "adosfs anode", /* 71 M_ANODE */ \ - "buf hdrs", /* 72 M_BUFHDR */ \ - "ofile tabl", /* 73 M_OFILETABL */ \ - "mbuf clust", /* 74 M_MCLUST */ \ - "HFS mount", /* 75 M_HFSMNT */ \ - "HFS node", /* 76 M_HFSNODE */ \ - "HFS fork", /* 77 M_HFSFORK */ \ - "VOLFS mount", /* 78 M_VOLFSMNT */ \ - "VOLFS node", /* 79 M_VOLFSNODE */ \ - "temp", /* 80 M_TEMP */ \ - "key mgmt", /* 81 M_SECA */ \ - "DEVFS", /* 82 M_DEVFS */ \ - "IpFw/IpAcct", /* 83 M_IPFW */ \ - "UDF node", /* 84 M_UDFNODE */ \ - "UDF mount", /* 85 M_UDFMNT */ \ - "IPv6 NDP", /* 86 M_IP6NDP */ \ - "IPv6 options", /* 87 M_IP6OPT */ \ - "IPv6 Misc", /* 88 M_IP6MISC */\ - "TCP Segment Q",/* 89 M_TSEGQ */\ - "IGMP state", /* 90 M_IGMP */\ - "Journal", /* 91 M_JNL_JNL */\ - "Transaction", /* 92 M_JNL_TR */\ - "specinfo", /* 93 M_SPECINFO */\ - "kqueue", /* 94 M_KQUEUE */\ - "HFS dirhint", /* 95 M_HFSDIRHINT */ \ - "cluster_read", /* 96 M_CLRDAHEAD */ \ - "cluster_write",/* 97 M_CLWRBEHIND */ \ - "iov64", /* 98 M_IOV64 */ \ - "fileglob", /* 99 M_FILEGLOB */ \ - "kauth", /* 100 M_KAUTH */ \ - "dummynet", /* 101 M_DUMMYNET */ \ - "unsafe_fsnode" /* 102 M_UNSAFEFS */ \ -} - -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; -}; - -extern struct kmemstats kmemstats[]; - -#endif /* BSD_KERNEL_PRIVATE */ - -/* - * The malloc/free primatives used - * by the BSD kernel code. - */ -#define MALLOC(space, cast, size, type, flags) \ +#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); \ + (space) = (cast)__REALLOC(addr, size, type, flags, &site); }) + +#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 _FREE(addr, type) \ + (kheap_free_addr)(KHEAP_DEFAULT, addr) + +#define FREE(addr, type) \ + kheap_free_addr(KHEAP_DEFAULT, addr) + +#pragma GCC visibility push(hidden) + +extern void *__MALLOC( + size_t size, + int type, + int flags, + vm_allocation_site_t *site) __attribute__((alloc_size(1))); + +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 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) \ @@ -352,25 +206,27 @@ extern struct kmemstats kmemstats[]; #define FREE_ZONE(addr, size, type) \ _FREE_ZONE((void *)addr, size, type) -extern void *_MALLOC( - size_t size, - int type, - int flags); +extern void *_MALLOC( + size_t size, + int type, + int flags); + +extern void _FREE( + void *addr, + int type); -extern void _FREE( - void *addr, - int type); +extern void *_MALLOC_ZONE( + size_t size, + int type, + int flags); -extern void *_MALLOC_ZONE( - size_t size, - int type, - int flags); +extern void _FREE_ZONE( + void *elem, + size_t size, + int type); -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_ */