/*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#define current_map_fast() (current_thread()->map)
#define current_map() (current_map_fast())
+#include <vm/vm_map_store.h>
+
+
/*
* Types defined:
*
* 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 */
#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
/* 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 */
};
* 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
};
/*
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 */
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)
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,
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
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);
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,
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 */
projects / apple / xnu.git / blobdiff