X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b7266188b87f3620ec3f9f717e57194a7dd989fe..7ee9d059c4eecf68ae4f8b0fb99ae2471eda79af:/osfmk/vm/vm_map.h diff --git a/osfmk/vm/vm_map.h b/osfmk/vm/vm_map.h index 09eaa7473..d27859858 100644 --- a/osfmk/vm/vm_map.h +++ b/osfmk/vm/vm_map.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2007 Apple Inc. All rights reserved. + * Copyright (c) 2000-2009 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -114,6 +114,9 @@ __END_DECLS #define current_map_fast() (current_thread()->map) #define current_map() (current_map_fast()) +#include + + /* * Types defined: * @@ -191,6 +194,7 @@ struct vm_named_entry { * Control information for virtual copy operations is also * stored in the address map entry. */ + struct vm_map_links { struct vm_map_entry *prev; /* previous entry */ struct vm_map_entry *next; /* next entry */ @@ -204,6 +208,8 @@ struct vm_map_entry { #define vme_next links.next #define vme_start links.start #define vme_end links.end + + struct vm_map_store store; union vm_map_object object; /* object I point to */ vm_object_offset_t offset; /* offset into object */ unsigned int @@ -230,7 +236,8 @@ struct vm_map_entry { /* boolean_t */ permanent:1, /* mapping can not be removed */ /* boolean_t */ superpage_size:3,/* use superpages of a certain size */ /* boolean_t */ zero_wired_pages:1, /* zero out the wired pages of this entry it is being deleted without unwiring them */ - /* unsigned char */ pad:2; /* available bits */ + /* boolean_t */ used_for_jit:1, + /* unsigned char */ pad:1; /* available bits */ unsigned short wired_count; /* can be paged if = 0 */ unsigned short user_wired_count; /* for vm_wire */ }; @@ -258,11 +265,17 @@ struct vm_map_entry { * Description: * Header for a vm_map and a vm_map_copy. */ + + struct vm_map_header { struct vm_map_links links; /* first, last, min, max */ int nentries; /* Number of entries */ boolean_t entries_pageable; /* are map entries pageable? */ + vm_map_offset_t highest_entry_end_addr; /* The ending address of the highest allocated vm_entry_t */ +#ifdef VM_MAP_STORE_USE_RB + struct rb_head rb_head_store; +#endif }; /* @@ -285,6 +298,7 @@ struct _vm_map { struct vm_map_header hdr; /* Map entry header */ #define min_offset hdr.links.start /* start of range */ #define max_offset hdr.links.end /* end of range */ +#define highest_entry_end hdr.highest_entry_end_addr pmap_t pmap; /* Physical map */ vm_map_size_t size; /* virtual size */ vm_map_size_t user_wire_limit;/* rlimit on user locked memory */ @@ -298,14 +312,21 @@ struct _vm_map { lck_mtx_ext_t s_lock_ext; vm_map_entry_t hint; /* hint for quick lookups */ vm_map_entry_t first_free; /* First free space hint */ - boolean_t wait_for_space; /* Should callers wait - for space? */ - boolean_t wiring_required;/* All memory wired? */ - boolean_t no_zero_fill; /* No zero fill absent pages */ - boolean_t mapped; /* has this map been mapped */ - boolean_t switch_protect; /* Protect map from write faults while switched */ + unsigned int + /* boolean_t */ wait_for_space:1, /* Should callers wait for space? */ + /* boolean_t */ wiring_required:1, /* All memory wired? */ + /* boolean_t */ no_zero_fill:1, /*No zero fill absent pages */ + /* boolean_t */ mapped:1, /*has this map been mapped */ + /* boolean_t */ switch_protect:1, /* Protect map from write faults while switched */ + /* boolean_t */ disable_vmentry_reuse:1, /* All vm entries should keep using newer and higher addresses in the map */ + /* boolean_t */ map_disallow_data_exec:1, /* Disallow execution from data pages on exec-permissive architectures */ + /* reserved */ pad:25; unsigned int timestamp; /* Version number */ unsigned int color_rr; /* next color (not protected by a lock) */ +#if CONFIG_FREEZE + void *default_freezer_toc; +#endif + boolean_t jit_entry_exists; } ; #define vm_map_to_entry(map) ((struct vm_map_entry *) &(map)->hdr.links) @@ -690,7 +711,7 @@ extern kern_return_t vm_map_remap( vm_map_offset_t *address, vm_map_size_t size, vm_map_offset_t mask, - boolean_t anywhere, + int flags, vm_map_t src_map, vm_map_offset_t memory_address, boolean_t copy, @@ -800,6 +821,11 @@ extern vm_object_t convert_port_entry_to_object( ipc_port_t port); +extern kern_return_t vm_map_set_cache_attr( + vm_map_t map, + vm_map_offset_t va); + + /* definitions related to overriding the NX behavior */ #define VM_ABI_32 0x1 @@ -931,6 +957,9 @@ extern kern_return_t vm_map_copyin_common( extern void vm_map_disable_NX( vm_map_t map); +extern void vm_map_disallow_data_exec( + vm_map_t map); + extern void vm_map_set_64bit( vm_map_t map); @@ -964,6 +993,8 @@ extern void vm_map_switch_protect( vm_map_t map, boolean_t val); +extern boolean_t first_free_is_valid(vm_map_t); + #ifdef XNU_KERNEL_PRIVATE extern kern_return_t vm_map_page_info( vm_map_t map, @@ -1030,6 +1061,27 @@ extern kern_return_t vm_map_sign(vm_map_t map, vm_map_offset_t end); #endif +#if CONFIG_FREEZE +extern kern_return_t vm_map_freeze_walk( + vm_map_t map, + unsigned int *purgeable_count, + unsigned int *wired_count, + unsigned int *clean_count, + unsigned int *dirty_count, + boolean_t *has_shared); + +extern kern_return_t vm_map_freeze( + vm_map_t map, + unsigned int *purgeable_count, + unsigned int *wired_count, + unsigned int *clean_count, + unsigned int *dirty_count, + boolean_t *has_shared); + +extern void vm_map_thaw( + vm_map_t map); +#endif + __END_DECLS #endif /* KERNEL_PRIVATE */