X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/3903760236c30e3b5ace7a4eefac3a269d68957c..f427ee49d309d8fc33ebf3042c3a775f2f530ded:/bsd/sys/malloc.h diff --git a/bsd/sys/malloc.h b/bsd/sys/malloc.h index 6dac79920..4bf21625f 100644 --- a/bsd/sys/malloc.h +++ b/bsd/sys/malloc.h @@ -2,7 +2,7 @@ * 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 @@ -11,10 +11,10 @@ * 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, @@ -22,7 +22,7 @@ * 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 */ @@ -69,7 +69,7 @@ */ #ifndef _SYS_MALLOC_H_ -#define _SYS_MALLOC_H_ +#define _SYS_MALLOC_H_ #include @@ -78,291 +78,155 @@ /* * 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 0 +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_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_LAST 125 /* 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 */ - -#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; -}; - -extern struct kmemstats kmemstats[]; -#endif /* KMEMSTATS */ - -#endif /* BSD_KERNEL_PRIVATE */ - -/* - * The malloc/free primatives used - * by the BSD kernel code. - */ -#if XNU_KERNEL_PRIVATE - -#include - -#define MALLOC(space, cast, size, type, flags) \ - ({ static vm_allocation_site_t site __attribute__((section("__DATA, __data"))); \ +#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) \ - ({ static vm_allocation_site_t site __attribute__((section("__DATA, __data"))); \ + +#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) \ - ({ static vm_allocation_site_t site __attribute__((section("__DATA, __data"))); \ +#define _MALLOC(size, type, flags) \ + ({ VM_ALLOC_SITE_STATIC(0, 0); \ __MALLOC(size, type, flags, &site); }) -#define _REALLOC(addr, size, type, flags) \ - ({ static vm_allocation_site_t site __attribute__((section("__DATA, __data"))); \ - __REALLOC(addr, size, type, flags, &site); }) - -#define _MALLOC_ZONE(size, type, flags) \ - ({ static vm_allocation_site_t site __attribute__((section("__DATA, __data"))); \ - __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); +#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); +#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_ */