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	1	/*
	2	* Copyright (c) 2000-2020 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	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* Mach Operating System
	33	* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
	34	* All Rights Reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software and its
	37	* documentation is hereby granted, provided that both the copyright
	38	* notice and this permission notice appear in all copies of the
	39	* software, derivative works or modified versions, and any portions
	40	* thereof, and that both notices appear in supporting documentation.
	41	*
	42	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	43	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	44	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	45	*
	46	* Carnegie Mellon requests users of this software to return to
	47	*
	48	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	49	* School of Computer Science
	50	* Carnegie Mellon University
	51	* Pittsburgh PA 15213-3890
	52	*
	53	* any improvements or extensions that they make and grant Carnegie Mellon
	54	* the rights to redistribute these changes.
	55	*/
	56	/*
	57	*/
	58	/*
	59	* File: mach/vm_statistics.h
	60	* Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
	61	*
	62	* Virtual memory statistics structure.
	63	*
	64	*/
	65
	66	#ifndef _MACH_VM_STATISTICS_H_
	67	#define _MACH_VM_STATISTICS_H_
	68
	69	#ifdef __cplusplus
	70	extern "C" {
	71	#endif
	72
	73	#include <mach/machine/vm_types.h>
	74	#include <mach/machine/kern_return.h>
	75
	76	/*
	77	* vm_statistics
	78	*
	79	* History:
	80	* rev0 - original structure.
	81	* rev1 - added purgable info (purgable_count and purges).
	82	* rev2 - added speculative_count.
	83	*
	84	* Note: you cannot add any new fields to this structure. Add them below in
	85	* vm_statistics64.
	86	*/
	87
	88	struct vm_statistics {
	89	natural_t free_count; /* # of pages free */
	90	natural_t active_count; /* # of pages active */
	91	natural_t inactive_count; /* # of pages inactive */
	92	natural_t wire_count; /* # of pages wired down */
	93	natural_t zero_fill_count; /* # of zero fill pages */
	94	natural_t reactivations; /* # of pages reactivated */
	95	natural_t pageins; /* # of pageins */
	96	natural_t pageouts; /* # of pageouts */
	97	natural_t faults; /* # of faults */
	98	natural_t cow_faults; /* # of copy-on-writes */
	99	natural_t lookups; /* object cache lookups */
	100	natural_t hits; /* object cache hits */
	101
	102	/* added for rev1 */
	103	natural_t purgeable_count; /* # of pages purgeable */
	104	natural_t purges; /* # of pages purged */
	105
	106	/* added for rev2 */
	107	/*
	108	* NB: speculative pages are already accounted for in "free_count",
	109	* so "speculative_count" is the number of "free" pages that are
	110	* used to hold data that was read speculatively from disk but
	111	* haven't actually been used by anyone so far.
	112	*/
	113	natural_t speculative_count; /* # of pages speculative */
	114	};
	115
	116	/* Used by all architectures */
	117	typedef struct vm_statistics *vm_statistics_t;
	118	typedef struct vm_statistics vm_statistics_data_t;
	119
	120	/*
	121	* vm_statistics64
	122	*
	123	* History:
	124	* rev0 - original structure.
	125	* rev1 - added purgable info (purgable_count and purges).
	126	* rev2 - added speculative_count.
	127	* ----
	128	* rev3 - changed name to vm_statistics64.
	129	* changed some fields in structure to 64-bit on
	130	* arm, i386 and x86_64 architectures.
	131	* rev4 - require 64-bit alignment for efficient access
	132	* in the kernel. No change to reported data.
	133	*
	134	*/
	135
	136	struct vm_statistics64 {
	137	natural_t free_count; /* # of pages free */
	138	natural_t active_count; /* # of pages active */
	139	natural_t inactive_count; /* # of pages inactive */
	140	natural_t wire_count; /* # of pages wired down */
	141	uint64_t zero_fill_count; /* # of zero fill pages */
	142	uint64_t reactivations; /* # of pages reactivated */
	143	uint64_t pageins; /* # of pageins */
	144	uint64_t pageouts; /* # of pageouts */
	145	uint64_t faults; /* # of faults */
	146	uint64_t cow_faults; /* # of copy-on-writes */
	147	uint64_t lookups; /* object cache lookups */
	148	uint64_t hits; /* object cache hits */
	149	uint64_t purges; /* # of pages purged */
	150	natural_t purgeable_count; /* # of pages purgeable */
	151	/*
	152	* NB: speculative pages are already accounted for in "free_count",
	153	* so "speculative_count" is the number of "free" pages that are
	154	* used to hold data that was read speculatively from disk but
	155	* haven't actually been used by anyone so far.
	156	*/
	157	natural_t speculative_count; /* # of pages speculative */
	158
	159	/* added for rev1 */
	160	uint64_t decompressions; /* # of pages decompressed */
	161	uint64_t compressions; /* # of pages compressed */
	162	uint64_t swapins; /* # of pages swapped in (via compression segments) */
	163	uint64_t swapouts; /* # of pages swapped out (via compression segments) */
	164	natural_t compressor_page_count; /* # of pages used by the compressed pager to hold all the compressed data */
	165	natural_t throttled_count; /* # of pages throttled */
	166	natural_t external_page_count; /* # of pages that are file-backed (non-swap) */
	167	natural_t internal_page_count; /* # of pages that are anonymous */
	168	uint64_t total_uncompressed_pages_in_compressor; /* # of pages (uncompressed) held within the compressor. */
	169	} __attribute__((aligned(8)));
	170
	171	typedef struct vm_statistics64 *vm_statistics64_t;
	172	typedef struct vm_statistics64 vm_statistics64_data_t;
	173
	174	kern_return_t vm_stats(void info, unsigned int count);
	175
	176	/*
	177	* VM_STATISTICS_TRUNCATE_TO_32_BIT
	178	*
	179	* This is used by host_statistics() to truncate and peg the 64-bit in-kernel values from
	180	* vm_statistics64 to the 32-bit values of the older structure above (vm_statistics).
	181	*/
	182	#define VM_STATISTICS_TRUNCATE_TO_32_BIT(value) ((uint32_t)(((value) > UINT32_MAX ) ? UINT32_MAX : (value)))
	183
	184	/*
	185	* vm_extmod_statistics
	186	*
	187	* Structure to record modifications to a task by an
	188	* external agent.
	189	*
	190	* History:
	191	* rev0 - original structure.
	192	*/
	193
	194	struct vm_extmod_statistics {
	195	int64_t task_for_pid_count; /* # of times task port was looked up */
	196	int64_t task_for_pid_caller_count; /* # of times this task called task_for_pid */
	197	int64_t thread_creation_count; /* # of threads created in task */
	198	int64_t thread_creation_caller_count; /* # of threads created by task */
	199	int64_t thread_set_state_count; /* # of register state sets in task */
	200	int64_t thread_set_state_caller_count; /* # of register state sets by task */
	201	} __attribute__((aligned(8)));
	202
	203	typedef struct vm_extmod_statistics *vm_extmod_statistics_t;
	204	typedef struct vm_extmod_statistics vm_extmod_statistics_data_t;
	205
	206	typedef struct vm_purgeable_stat {
	207	uint64_t count;
	208	uint64_t size;
	209	}vm_purgeable_stat_t;
	210
	211	struct vm_purgeable_info {
	212	vm_purgeable_stat_t fifo_data[8];
	213	vm_purgeable_stat_t obsolete_data;
	214	vm_purgeable_stat_t lifo_data[8];
	215	};
	216
	217	typedef struct vm_purgeable_info *vm_purgeable_info_t;
	218
	219	/* included for the vm_map_page_query call */
	220
	221	#define VM_PAGE_QUERY_PAGE_PRESENT 0x1
	222	#define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2
	223	#define VM_PAGE_QUERY_PAGE_REF 0x4
	224	#define VM_PAGE_QUERY_PAGE_DIRTY 0x8
	225	#define VM_PAGE_QUERY_PAGE_PAGED_OUT 0x10
	226	#define VM_PAGE_QUERY_PAGE_COPIED 0x20
	227	#define VM_PAGE_QUERY_PAGE_SPECULATIVE 0x40
	228	#define VM_PAGE_QUERY_PAGE_EXTERNAL 0x80
	229	#define VM_PAGE_QUERY_PAGE_CS_VALIDATED 0x100
	230	#define VM_PAGE_QUERY_PAGE_CS_TAINTED 0x200
	231	#define VM_PAGE_QUERY_PAGE_CS_NX 0x400
	232	#define VM_PAGE_QUERY_PAGE_REUSABLE 0x800
	233
	234	#ifdef MACH_KERNEL_PRIVATE
	235
	236	/*
	237	* Each machine dependent implementation is expected to
	238	* keep certain statistics. They may do this anyway they
	239	* so choose, but are expected to return the statistics
	240	* in the following structure.
	241	*/
	242
	243	struct pmap_statistics {
	244	integer_t resident_count; /* # of pages mapped (total)*/
	245	integer_t resident_max; /* # of pages mapped (peak) */
	246	integer_t wired_count; /* # of pages wired */
	247
	248	integer_t device;
	249	integer_t device_peak;
	250	integer_t internal;
	251	integer_t internal_peak;
	252	integer_t external;
	253	integer_t external_peak;
	254	integer_t reusable;
	255	integer_t reusable_peak;
	256	uint64_t compressed __attribute__((aligned(8)));
	257	uint64_t compressed_peak __attribute__((aligned(8)));
	258	uint64_t compressed_lifetime __attribute__((aligned(8)));
	259	};
	260
	261	typedef struct pmap_statistics *pmap_statistics_t;
	262
	263	#define PMAP_STATS_PEAK(field) \
	264	MACRO_BEGIN \
	265	if (field > field##_peak) { \
	266	field##_peak = field; \
	267	} \
	268	MACRO_END
	269
	270	#endif /* MACH_KERNEL_PRIVATE */
	271
	272	/*
	273	* VM allocation flags:
	274	*
	275	* VM_FLAGS_FIXED
	276	* (really the absence of VM_FLAGS_ANYWHERE)
	277	* Allocate new VM region at the specified virtual address, if possible.
	278	*
	279	* VM_FLAGS_ANYWHERE
	280	* Allocate new VM region anywhere it would fit in the address space.
	281	*
	282	* VM_FLAGS_PURGABLE
	283	* Create a purgable VM object for that new VM region.
	284	*
	285	* VM_FLAGS_4GB_CHUNK
	286	* The new VM region will be chunked up into 4GB sized pieces.
	287	*
	288	* VM_FLAGS_NO_PMAP_CHECK
	289	* (for DEBUG kernel config only, ignored for other configs)
	290	* Do not check that there is no stale pmap mapping for the new VM region.
	291	* This is useful for kernel memory allocations at bootstrap when building
	292	* the initial kernel address space while some memory is already in use.
	293	*
	294	* VM_FLAGS_OVERWRITE
	295	* The new VM region can replace existing VM regions if necessary
	296	* (to be used in combination with VM_FLAGS_FIXED).
	297	*
	298	* VM_FLAGS_NO_CACHE
	299	* Pages brought in to this VM region are placed on the speculative
	300	* queue instead of the active queue. In other words, they are not
	301	* cached so that they will be stolen first if memory runs low.
	302	*/
	303
	304	#define VM_FLAGS_FIXED 0x0000
	305	#define VM_FLAGS_ANYWHERE 0x0001
	306	#define VM_FLAGS_PURGABLE 0x0002
	307	#define VM_FLAGS_4GB_CHUNK 0x0004
	308	#define VM_FLAGS_RANDOM_ADDR 0x0008
	309	#define VM_FLAGS_NO_CACHE 0x0010
	310	#define VM_FLAGS_RESILIENT_CODESIGN 0x0020
	311	#define VM_FLAGS_RESILIENT_MEDIA 0x0040
	312	#define VM_FLAGS_PERMANENT 0x0080
	313	#define VM_FLAGS_OVERWRITE 0x4000 /* delete any existing mappings first */
	314	/*
	315	* VM_FLAGS_SUPERPAGE_MASK
	316	* 3 bits that specify whether large pages should be used instead of
	317	* base pages (!=0), as well as the requested page size.
	318	*/
	319	#define VM_FLAGS_SUPERPAGE_MASK 0x70000 /* bits 0x10000, 0x20000, 0x40000 */
	320	#define VM_FLAGS_RETURN_DATA_ADDR 0x100000 /* Return address of target data, rather than base of page */
	321	#define VM_FLAGS_RETURN_4K_DATA_ADDR 0x800000 /* Return 4K aligned address of target data */
	322	#define VM_FLAGS_ALIAS_MASK 0xFF000000
	323	#define VM_GET_FLAGS_ALIAS(flags, alias) \
	324	(alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24
	325	#if !XNU_KERNEL_PRIVATE
	326	#define VM_SET_FLAGS_ALIAS(flags, alias) \
	327	(flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) \| \
	328	(((alias) & ~VM_FLAGS_ALIAS_MASK) << 24))
	329	#endif /* !XNU_KERNEL_PRIVATE */
	330
	331	/* These are the flags that we accept from user-space */
	332	#define VM_FLAGS_USER_ALLOCATE (VM_FLAGS_FIXED \| \
	333	VM_FLAGS_ANYWHERE \| \
	334	VM_FLAGS_PURGABLE \| \
	335	VM_FLAGS_4GB_CHUNK \| \
	336	VM_FLAGS_RANDOM_ADDR \| \
	337	VM_FLAGS_NO_CACHE \| \
	338	VM_FLAGS_PERMANENT \| \
	339	VM_FLAGS_OVERWRITE \| \
	340	VM_FLAGS_SUPERPAGE_MASK \| \
	341	VM_FLAGS_ALIAS_MASK)
	342	#define VM_FLAGS_USER_MAP (VM_FLAGS_USER_ALLOCATE \| \
	343	VM_FLAGS_RETURN_4K_DATA_ADDR \| \
	344	VM_FLAGS_RETURN_DATA_ADDR)
	345	#define VM_FLAGS_USER_REMAP (VM_FLAGS_FIXED \| \
	346	VM_FLAGS_ANYWHERE \| \
	347	VM_FLAGS_RANDOM_ADDR \| \
	348	VM_FLAGS_OVERWRITE\| \
	349	VM_FLAGS_RETURN_DATA_ADDR \| \
	350	VM_FLAGS_RESILIENT_CODESIGN \| \
	351	VM_FLAGS_RESILIENT_MEDIA)
	352
	353	#define VM_FLAGS_SUPERPAGE_SHIFT 16
	354	#define SUPERPAGE_NONE 0 /* no superpages, if all bits are 0 */
	355	#define SUPERPAGE_SIZE_ANY 1
	356	#define VM_FLAGS_SUPERPAGE_NONE (SUPERPAGE_NONE << VM_FLAGS_SUPERPAGE_SHIFT)
	357	#define VM_FLAGS_SUPERPAGE_SIZE_ANY (SUPERPAGE_SIZE_ANY << VM_FLAGS_SUPERPAGE_SHIFT)
	358	#if defined(__x86_64__) \|\| !defined(KERNEL)
	359	#define SUPERPAGE_SIZE_2MB 2
	360	#define VM_FLAGS_SUPERPAGE_SIZE_2MB (SUPERPAGE_SIZE_2MB<<VM_FLAGS_SUPERPAGE_SHIFT)
	361	#endif
	362
	363	/*
	364	* EXC_GUARD definitions for virtual memory.
	365	*/
	366	#define GUARD_TYPE_VIRT_MEMORY 0x5
	367
	368	/* Reasons for exception for virtual memory */
	369	enum virtual_memory_guard_exception_codes {
	370	kGUARD_EXC_DEALLOC_GAP = 1u << 0
	371	};
	372
	373	#ifdef KERNEL_PRIVATE
	374	typedef struct {
	375	unsigned int
	376	vmkf_atomic_entry:1,
	377	vmkf_permanent:1,
	378	vmkf_guard_after:1,
	379	vmkf_guard_before:1,
	380	vmkf_submap:1,
	381	vmkf_already:1,
	382	vmkf_beyond_max:1,
	383	vmkf_no_pmap_check:1,
	384	vmkf_map_jit:1,
	385	vmkf_iokit_acct:1,
	386	vmkf_keep_map_locked:1,
	387	vmkf_fourk:1,
	388	vmkf_overwrite_immutable:1,
	389	vmkf_remap_prot_copy:1,
	390	vmkf_cs_enforcement_override:1,
	391	vmkf_cs_enforcement:1,
	392	vmkf_nested_pmap:1,
	393	vmkf_no_copy_on_read:1,
	394	vmkf_32bit_map_va:1,
	395	vmkf_copy_single_object:1,
	396	vmkf_copy_pageable:1,
	397	vmkf_copy_same_map:1,
	398	vmkf_translated_allow_execute:1,
	399	__vmkf_unused:9;
	400	} vm_map_kernel_flags_t;
	401	#define VM_MAP_KERNEL_FLAGS_NONE (vm_map_kernel_flags_t) { \
	402	.vmkf_atomic_entry = 0, /* keep entry atomic (no coalescing) */ \
	403	.vmkf_permanent = 0, /* mapping can NEVER be unmapped */ \
	404	.vmkf_guard_after = 0, /* guard page after the mapping */ \
	405	.vmkf_guard_before = 0, /* guard page before the mapping */ \
	406	.vmkf_submap = 0, /* mapping a VM submap */ \
	407	.vmkf_already = 0, /* OK if same mapping already exists */ \
	408	.vmkf_beyond_max = 0, /* map beyond the map's max offset */ \
	409	.vmkf_no_pmap_check = 0, /* do not check that pmap is empty */ \
	410	.vmkf_map_jit = 0, /* mark entry as JIT region */ \
	411	.vmkf_iokit_acct = 0, /* IOKit accounting */ \
	412	.vmkf_keep_map_locked = 0, /* keep map locked when returning from vm_map_enter() */ \
	413	.vmkf_fourk = 0, /* use fourk pager */ \
	414	.vmkf_overwrite_immutable = 0, /* can overwrite immutable mappings */ \
	415	.vmkf_remap_prot_copy = 0, /* vm_remap for VM_PROT_COPY */ \
	416	.vmkf_cs_enforcement_override = 0, /* override CS_ENFORCEMENT */ \
	417	.vmkf_cs_enforcement = 0, /* new value for CS_ENFORCEMENT */ \
	418	.vmkf_nested_pmap = 0, /* use a nested pmap */ \
	419	.vmkf_no_copy_on_read = 0, /* do not use copy_on_read */ \
	420	.vmkf_32bit_map_va = 0, /* allocate in low 32-bits range */ \
	421	.vmkf_copy_single_object = 0, /* vm_map_copy only 1 VM object */ \
	422	.vmkf_copy_pageable = 0, /* vm_map_copy with pageable entries */ \
	423	.vmkf_copy_same_map = 0, /* vm_map_copy to remap in original map */ \
	424	.vmkf_translated_allow_execute = 0, /* allow execute in translated processes */ \
	425	.__vmkf_unused = 0 \
	426	}
	427
	428	typedef struct {
	429	unsigned int
	430	vmnekf_ledger_tag:3,
	431	vmnekf_ledger_no_footprint:1,
	432	__vmnekf_unused:28;
	433	} vm_named_entry_kernel_flags_t;
	434	#define VM_NAMED_ENTRY_KERNEL_FLAGS_NONE (vm_named_entry_kernel_flags_t) { \
	435	.vmnekf_ledger_tag = 0, \
	436	.vmnekf_ledger_no_footprint = 0, \
	437	.__vmnekf_unused = 0 \
	438	}
	439
	440	#endif /* KERNEL_PRIVATE */
	441
	442	/* current accounting postmark */
	443	#define __VM_LEDGER_ACCOUNTING_POSTMARK 2019032600
	444
	445	/* discrete values: */
	446	#define VM_LEDGER_TAG_NONE 0x00000000
	447	#define VM_LEDGER_TAG_DEFAULT 0x00000001
	448	#define VM_LEDGER_TAG_NETWORK 0x00000002
	449	#define VM_LEDGER_TAG_MEDIA 0x00000003
	450	#define VM_LEDGER_TAG_GRAPHICS 0x00000004
	451	#define VM_LEDGER_TAG_NEURAL 0x00000005
	452	#define VM_LEDGER_TAG_MAX 0x00000005
	453	/* individual bits: */
	454	#define VM_LEDGER_FLAG_NO_FOOTPRINT 0x00000001
	455	#define VM_LEDGER_FLAGS (VM_LEDGER_FLAG_NO_FOOTPRINT)
	456
	457
	458	#define VM_MEMORY_MALLOC 1
	459	#define VM_MEMORY_MALLOC_SMALL 2
	460	#define VM_MEMORY_MALLOC_LARGE 3
	461	#define VM_MEMORY_MALLOC_HUGE 4
	462	#define VM_MEMORY_SBRK 5// uninteresting -- no one should call
	463	#define VM_MEMORY_REALLOC 6
	464	#define VM_MEMORY_MALLOC_TINY 7
	465	#define VM_MEMORY_MALLOC_LARGE_REUSABLE 8
	466	#define VM_MEMORY_MALLOC_LARGE_REUSED 9
	467
	468	#define VM_MEMORY_ANALYSIS_TOOL 10
	469
	470	#define VM_MEMORY_MALLOC_NANO 11
	471	#define VM_MEMORY_MALLOC_MEDIUM 12
	472	#define VM_MEMORY_MALLOC_PGUARD 13
	473
	474	#define VM_MEMORY_MACH_MSG 20
	475	#define VM_MEMORY_IOKIT 21
	476	#define VM_MEMORY_STACK 30
	477	#define VM_MEMORY_GUARD 31
	478	#define VM_MEMORY_SHARED_PMAP 32
	479	/* memory containing a dylib */
	480	#define VM_MEMORY_DYLIB 33
	481	#define VM_MEMORY_OBJC_DISPATCHERS 34
	482
	483	/* Was a nested pmap (VM_MEMORY_SHARED_PMAP) which has now been unnested */
	484	#define VM_MEMORY_UNSHARED_PMAP 35
	485
	486
	487	// Placeholders for now -- as we analyze the libraries and find how they
	488	// use memory, we can make these labels more specific.
	489	#define VM_MEMORY_APPKIT 40
	490	#define VM_MEMORY_FOUNDATION 41
	491	#define VM_MEMORY_COREGRAPHICS 42
	492	#define VM_MEMORY_CORESERVICES 43
	493	#define VM_MEMORY_CARBON VM_MEMORY_CORESERVICES
	494	#define VM_MEMORY_JAVA 44
	495	#define VM_MEMORY_COREDATA 45
	496	#define VM_MEMORY_COREDATA_OBJECTIDS 46
	497	#define VM_MEMORY_ATS 50
	498	#define VM_MEMORY_LAYERKIT 51
	499	#define VM_MEMORY_CGIMAGE 52
	500	#define VM_MEMORY_TCMALLOC 53
	501
	502	/* private raster data (i.e. layers, some images, QGL allocator) */
	503	#define VM_MEMORY_COREGRAPHICS_DATA 54
	504
	505	/* shared image and font caches */
	506	#define VM_MEMORY_COREGRAPHICS_SHARED 55
	507
	508	/* Memory used for virtual framebuffers, shadowing buffers, etc... */
	509	#define VM_MEMORY_COREGRAPHICS_FRAMEBUFFERS 56
	510
	511	/* Window backing stores, custom shadow data, and compressed backing stores */
	512	#define VM_MEMORY_COREGRAPHICS_BACKINGSTORES 57
	513
	514	/* x-alloc'd memory */
	515	#define VM_MEMORY_COREGRAPHICS_XALLOC 58
	516
	517	/* catch-all for other uses, such as the read-only shared data page */
	518	#define VM_MEMORY_COREGRAPHICS_MISC VM_MEMORY_COREGRAPHICS
	519
	520	/* memory allocated by the dynamic loader for itself */
	521	#define VM_MEMORY_DYLD 60
	522	/* malloc'd memory created by dyld */
	523	#define VM_MEMORY_DYLD_MALLOC 61
	524
	525	/* Used for sqlite page cache */
	526	#define VM_MEMORY_SQLITE 62
	527
	528	/* JavaScriptCore heaps */
	529	#define VM_MEMORY_JAVASCRIPT_CORE 63
	530	#define VM_MEMORY_WEBASSEMBLY VM_MEMORY_JAVASCRIPT_CORE
	531	/* memory allocated for the JIT */
	532	#define VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR 64
	533	#define VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE 65
	534
	535	/* memory allocated for GLSL */
	536	#define VM_MEMORY_GLSL 66
	537
	538	/* memory allocated for OpenCL.framework */
	539	#define VM_MEMORY_OPENCL 67
	540
	541	/* memory allocated for QuartzCore.framework */
	542	#define VM_MEMORY_COREIMAGE 68
	543
	544	/* memory allocated for WebCore Purgeable Buffers */
	545	#define VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS 69
	546
	547	/* ImageIO memory */
	548	#define VM_MEMORY_IMAGEIO 70
	549
	550	/* CoreProfile memory */
	551	#define VM_MEMORY_COREPROFILE 71
	552
	553	/* assetsd / MobileSlideShow memory */
	554	#define VM_MEMORY_ASSETSD 72
	555
	556	/* libsystem_kernel os_once_alloc */
	557	#define VM_MEMORY_OS_ALLOC_ONCE 73
	558
	559	/* libdispatch internal allocator */
	560	#define VM_MEMORY_LIBDISPATCH 74
	561
	562	/* Accelerate.framework image backing stores */
	563	#define VM_MEMORY_ACCELERATE 75
	564
	565	/* CoreUI image block data */
	566	#define VM_MEMORY_COREUI 76
	567
	568	/* CoreUI image file */
	569	#define VM_MEMORY_COREUIFILE 77
	570
	571	/* Genealogy buffers */
	572	#define VM_MEMORY_GENEALOGY 78
	573
	574	/* RawCamera VM allocated memory */
	575	#define VM_MEMORY_RAWCAMERA 79
	576
	577	/* corpse info for dead process */
	578	#define VM_MEMORY_CORPSEINFO 80
	579
	580	/* Apple System Logger (ASL) messages */
	581	#define VM_MEMORY_ASL 81
	582
	583	/* Swift runtime */
	584	#define VM_MEMORY_SWIFT_RUNTIME 82
	585
	586	/* Swift metadata */
	587	#define VM_MEMORY_SWIFT_METADATA 83
	588
	589	/* DHMM data */
	590	#define VM_MEMORY_DHMM 84
	591
	592
	593	/* memory allocated by SceneKit.framework */
	594	#define VM_MEMORY_SCENEKIT 86
	595
	596	/* memory allocated by skywalk networking */
	597	#define VM_MEMORY_SKYWALK 87
	598
	599	#define VM_MEMORY_IOSURFACE 88
	600
	601	#define VM_MEMORY_LIBNETWORK 89
	602
	603	#define VM_MEMORY_AUDIO 90
	604
	605	#define VM_MEMORY_VIDEOBITSTREAM 91
	606
	607	/* memory allocated by CoreMedia */
	608	#define VM_MEMORY_CM_XPC 92
	609
	610	#define VM_MEMORY_CM_RPC 93
	611
	612	#define VM_MEMORY_CM_MEMORYPOOL 94
	613
	614	#define VM_MEMORY_CM_READCACHE 95
	615
	616	#define VM_MEMORY_CM_CRABS 96
	617
	618	/* memory allocated for QuickLookThumbnailing */
	619	#define VM_MEMORY_QUICKLOOK_THUMBNAILS 97
	620
	621	/* memory allocated by Accounts framework */
	622	#define VM_MEMORY_ACCOUNTS 98
	623
	624	/* memory allocated by Sanitizer runtime libraries */
	625	#define VM_MEMORY_SANITIZER 99
	626
	627	/* Differentiate memory needed by GPU drivers and frameworks from generic IOKit allocations */
	628	#define VM_MEMORY_IOACCELERATOR 100
	629
	630	/* memory allocated by CoreMedia for global image registration of frames */
	631	#define VM_MEMORY_CM_REGWARP 101
	632
	633	/* memory allocated by EmbeddedAcousticRecognition for speech decoder */
	634	#define VM_MEMORY_EAR_DECODER 102
	635
	636	/* CoreUI cached image data */
	637	#define VM_MEMORY_COREUI_CACHED_IMAGE_DATA 103
	638
	639	/* Reserve 230-239 for Rosetta */
	640	#define VM_MEMORY_ROSETTA 230
	641	#define VM_MEMORY_ROSETTA_THREAD_CONTEXT 231
	642	#define VM_MEMORY_ROSETTA_INDIRECT_BRANCH_MAP 232
	643	#define VM_MEMORY_ROSETTA_RETURN_STACK 233
	644	#define VM_MEMORY_ROSETTA_EXECUTABLE_HEAP 234
	645	#define VM_MEMORY_ROSETTA_USER_LDT 235
	646	#define VM_MEMORY_ROSETTA_ARENA 236
	647	#define VM_MEMORY_ROSETTA_10 239
	648
	649	/* Reserve 240-255 for application */
	650	#define VM_MEMORY_APPLICATION_SPECIFIC_1 240
	651	#define VM_MEMORY_APPLICATION_SPECIFIC_16 255
	652
	653	#if !XNU_KERNEL_PRIVATE
	654	#define VM_MAKE_TAG(tag) ((tag) << 24)
	655	#endif /* XNU_KERNEL_PRIVATE */
	656
	657
	658	#if KERNEL_PRIVATE
	659
	660	/* kernel map tags */
	661	/* please add new definition strings to zprint */
	662
	663	#define VM_KERN_MEMORY_NONE 0
	664
	665	#define VM_KERN_MEMORY_OSFMK 1
	666	#define VM_KERN_MEMORY_BSD 2
	667	#define VM_KERN_MEMORY_IOKIT 3
	668	#define VM_KERN_MEMORY_LIBKERN 4
	669	#define VM_KERN_MEMORY_OSKEXT 5
	670	#define VM_KERN_MEMORY_KEXT 6
	671	#define VM_KERN_MEMORY_IPC 7
	672	#define VM_KERN_MEMORY_STACK 8
	673	#define VM_KERN_MEMORY_CPU 9
	674	#define VM_KERN_MEMORY_PMAP 10
	675	#define VM_KERN_MEMORY_PTE 11
	676	#define VM_KERN_MEMORY_ZONE 12
	677	#define VM_KERN_MEMORY_KALLOC 13
	678	#define VM_KERN_MEMORY_COMPRESSOR 14
	679	#define VM_KERN_MEMORY_COMPRESSED_DATA 15
	680	#define VM_KERN_MEMORY_PHANTOM_CACHE 16
	681	#define VM_KERN_MEMORY_WAITQ 17
	682	#define VM_KERN_MEMORY_DIAG 18
	683	#define VM_KERN_MEMORY_LOG 19
	684	#define VM_KERN_MEMORY_FILE 20
	685	#define VM_KERN_MEMORY_MBUF 21
	686	#define VM_KERN_MEMORY_UBC 22
	687	#define VM_KERN_MEMORY_SECURITY 23
	688	#define VM_KERN_MEMORY_MLOCK 24
	689	#define VM_KERN_MEMORY_REASON 25
	690	#define VM_KERN_MEMORY_SKYWALK 26
	691	#define VM_KERN_MEMORY_LTABLE 27
	692	#define VM_KERN_MEMORY_HV 28
	693	#define VM_KERN_MEMORY_RETIRED 29
	694
	695	#define VM_KERN_MEMORY_FIRST_DYNAMIC 30
	696	/* out of tags: */
	697	#define VM_KERN_MEMORY_ANY 255
	698	#define VM_KERN_MEMORY_COUNT 256
	699
	700	/* end kernel map tags */
	701
	702	// mach_memory_info.flags
	703	#define VM_KERN_SITE_TYPE 0x000000FF
	704	#define VM_KERN_SITE_TAG 0x00000000
	705	#define VM_KERN_SITE_KMOD 0x00000001
	706	#define VM_KERN_SITE_KERNEL 0x00000002
	707	#define VM_KERN_SITE_COUNTER 0x00000003
	708	#define VM_KERN_SITE_WIRED 0x00000100 /* add to wired count */
	709	#define VM_KERN_SITE_HIDE 0x00000200 /* no zprint */
	710	#define VM_KERN_SITE_NAMED 0x00000400
	711	#define VM_KERN_SITE_ZONE 0x00000800
	712	#define VM_KERN_SITE_ZONE_VIEW 0x00001000
	713
	714	#define VM_KERN_COUNT_MANAGED 0
	715	#define VM_KERN_COUNT_RESERVED 1
	716	#define VM_KERN_COUNT_WIRED 2
	717	#define VM_KERN_COUNT_WIRED_MANAGED 3
	718	#define VM_KERN_COUNT_STOLEN 4
	719	#define VM_KERN_COUNT_LOPAGE 5
	720	#define VM_KERN_COUNT_MAP_KERNEL 6
	721	#define VM_KERN_COUNT_MAP_ZONE 7
	722	#define VM_KERN_COUNT_MAP_KALLOC 8
	723
	724	#define VM_KERN_COUNT_WIRED_BOOT 9
	725
	726	#define VM_KERN_COUNT_BOOT_STOLEN 10
	727
	728	/* The number of bytes from the kernel cache that are wired in memory */
	729	#define VM_KERN_COUNT_WIRED_STATIC_KERNELCACHE 11
	730
	731	#define VM_KERN_COUNTER_COUNT 12
	732
	733	#endif /* KERNEL_PRIVATE */
	734
	735	#ifdef __cplusplus
	736	}
	737	#endif
	738
	739	#endif /* _MACH_VM_STATISTICS_H_ */