/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <mach/vm_behavior.h>
#include <vm/pmap.h>
-typedef struct vm_map_entry *vm_map_entry_t;
+#include <sys/appleapiopts.h>
-extern void kernel_vm_map_reference(vm_map_t map);
+#ifdef __APPLE_API_PRIVATE
#ifndef MACH_KERNEL_PRIVATE
-struct vm_map_entry {};
+#ifdef __APPLE_API_OBSOLETE
+extern void kernel_vm_map_reference(vm_map_t map);
+#endif /* __APPLE_API_OBSOLETE */
extern void vm_map_reference(vm_map_t map);
extern vm_map_t current_map(void);
#include <kern/zalloc.h>
#include <kern/macro_help.h>
-#define shared_region_mapping_lock_init(object) \
- mutex_init(&(object)->Lock, ETAP_VM_OBJ)
-#define shared_region_mapping_lock(object) mutex_lock(&(object)->Lock)
-#define shared_region_mapping_unlock(object) mutex_unlock(&(object)->Lock)
#include <kern/thread_act.h>
#define current_map_fast() (current_act_fast()->map)
* vm_map_copy_t represents memory copied from an address map,
* used for inter-map copy operations
*/
+typedef struct vm_map_entry *vm_map_entry_t;
+
/*
* Type: vm_map_object_t [internal use only]
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 */
unsigned int timestamp; /* Version number */
} ;
*/
#define vm_map_lock_init(map) \
-MACRO_BEGIN \
- lock_init(&(map)->lock, TRUE, ETAP_VM_MAP, ETAP_VM_MAP_I); \
- (map)->timestamp = 0; \
-MACRO_END
-#define vm_map_lock(map) \
-MACRO_BEGIN \
- lock_write(&(map)->lock); \
- (map)->timestamp++; \
-MACRO_END
-
-#define vm_map_unlock(map) lock_write_done(&(map)->lock)
-#define vm_map_lock_read(map) lock_read(&(map)->lock)
-#define vm_map_unlock_read(map) lock_read_done(&(map)->lock)
+ ((map)->timestamp = 0 , \
+ lock_init(&(map)->lock, TRUE, ETAP_VM_MAP, ETAP_VM_MAP_I))
+
+#define vm_map_lock(map) lock_write(&(map)->lock)
+#define vm_map_unlock(map) \
+ ((map)->timestamp++ , lock_write_done(&(map)->lock))
+#define vm_map_lock_read(map) lock_read(&(map)->lock)
+#define vm_map_unlock_read(map) lock_read_done(&(map)->lock)
#define vm_map_lock_write_to_read(map) \
- lock_write_to_read(&(map)->lock)
-#define vm_map_lock_read_to_write(map) \
- (lock_read_to_write(&(map)->lock) || (((map)->timestamp++), 0))
+ ((map)->timestamp++ , lock_write_to_read(&(map)->lock))
+#define vm_map_lock_read_to_write(map) lock_read_to_write(&(map)->lock)
extern zone_t vm_map_copy_zone; /* zone for vm_map_copy structures */
* Wait and wakeup macros for in_transition map entries.
*/
#define vm_map_entry_wait(map, interruptible) \
- MACRO_BEGIN \
- assert_wait((event_t)&(map)->hdr, interruptible); \
- vm_map_unlock(map); \
- thread_block((void (*)(void))0); \
- MACRO_END
+ ((map)->timestamp++ , \
+ thread_sleep_lock_write((event_t)&(map)->hdr, \
+ &(map)->lock, interruptible))
-#define vm_map_entry_wakeup(map) thread_wakeup((event_t)(&(map)->hdr))
+#define vm_map_entry_wakeup(map) thread_wakeup((event_t)(&(map)->hdr))
#define vm_map_ref_fast(map) \
vm_map_copy_t copy);
-
-#endif /* !MACH_KERNEL_PRIVATE */
-
-/* Get rid of a map */
-extern void vm_map_destroy(
- vm_map_t map);
-/* Lose a reference */
-extern void vm_map_deallocate(
- vm_map_t map);
-
-/* Create an empty map */
-extern vm_map_t vm_map_create(
- pmap_t pmap,
- vm_offset_t min,
- vm_offset_t max,
- boolean_t pageable);
+#define VM_MAP_ENTRY_NULL ((vm_map_entry_t) 0)
/* Enter a mapping */
extern vm_map_t vm_map_fork(
vm_map_t old_map);
-/* Change protection */
-extern kern_return_t vm_map_protect(
+/* Change inheritance */
+extern kern_return_t vm_map_inherit(
vm_map_t map,
vm_offset_t start,
vm_offset_t end,
- vm_prot_t new_prot,
- boolean_t set_max);
+ vm_inherit_t new_inheritance);
-/* Change inheritance */
-extern kern_return_t vm_map_inherit(
+/* Add or remove machine-dependent attributes from map regions */
+extern kern_return_t vm_map_machine_attribute(
+ vm_map_t map,
+ vm_offset_t address,
+ vm_size_t size,
+ vm_machine_attribute_t attribute,
+ vm_machine_attribute_val_t* value); /* IN/OUT */
+/* Set paging behavior */
+extern kern_return_t vm_map_behavior_set(
vm_map_t map,
vm_offset_t start,
vm_offset_t end,
- vm_inherit_t new_inheritance);
+ vm_behavior_t new_behavior);
+
+extern kern_return_t vm_map_submap(
+ vm_map_t map,
+ vm_offset_t start,
+ vm_offset_t end,
+ vm_map_t submap,
+ vm_offset_t offset,
+ boolean_t use_pmap);
+
+
+#endif /* MACH_KERNEL_PRIVATE */
+
+/* Create an empty map */
+extern vm_map_t vm_map_create(
+ pmap_t pmap,
+ vm_offset_t min,
+ vm_offset_t max,
+ boolean_t pageable);
+
+/* Get rid of a map */
+extern void vm_map_destroy(
+ vm_map_t map);
+/* Lose a reference */
+extern void vm_map_deallocate(
+ vm_map_t map);
+
+/* Change protection */
+extern kern_return_t vm_map_protect(
+ vm_map_t map,
+ vm_offset_t start,
+ vm_offset_t end,
+ vm_prot_t new_prot,
+ boolean_t set_max);
/* wire down a region */
extern kern_return_t vm_map_wire(
vm_offset_t *dst_addr, /* OUT */
vm_map_copy_t copy);
-
-/* Add or remove machine-dependent attributes from map regions */
-extern kern_return_t vm_map_machine_attribute(
- vm_map_t map,
- vm_offset_t address,
- vm_size_t size,
- vm_machine_attribute_t attribute,
- vm_machine_attribute_val_t* value); /* IN/OUT */
-/* Set paging behavior */
-extern kern_return_t vm_map_behavior_set(
- vm_map_t map,
- vm_offset_t start,
- vm_offset_t end,
- vm_behavior_t new_behavior);
-
extern kern_return_t vm_map_copyin_common(
vm_map_t src_map,
vm_offset_t src_addr,
vm_map_copy_t *copy_result, /* OUT */
boolean_t use_maxprot);
-extern kern_return_t vm_map_submap(
- vm_map_t map,
- vm_offset_t start,
- vm_offset_t end,
- vm_map_t submap,
- vm_offset_t offset,
- boolean_t use_pmap);
-
extern kern_return_t vm_region_clone(
ipc_port_t src_region,
ipc_port_t dst_region);
vm_map_copyin_common(src_map, src_addr, len, src_destroy, \
FALSE, copy_result, TRUE)
-#define VM_MAP_ENTRY_NULL ((vm_map_entry_t) 0)
-
/*
* Flags for vm_map_remove() and vm_map_delete()
*/
#define VM_MAP_REMOVE_INTERRUPTIBLE 0x2
#define VM_MAP_REMOVE_WAIT_FOR_KWIRE 0x4
+#endif /* __APPLE_API_PRIVATE */
-#ifdef MACH_KERNEL_PRIVATE
-
-/* address space shared region descriptor */
-
-struct shared_region_mapping {
- decl_mutex_data(, Lock) /* Synchronization */
- int ref_count;
- ipc_port_t text_region;
- vm_size_t text_size;
- ipc_port_t data_region;
- vm_size_t data_size;
- vm_offset_t region_mappings;
- vm_offset_t client_base;
- vm_offset_t alternate_base;
- vm_offset_t alternate_next;
- int flags;
- int depth;
- struct shared_region_object_chain *object_chain;
- struct shared_region_mapping *self;
- struct shared_region_mapping *next;
-};
-
-typedef struct shared_region_mapping *shared_region_mapping_t;
-
-struct shared_region_object_chain {
- shared_region_mapping_t object_chain_region;
- int depth;
- struct shared_region_object_chain *next;
-};
-
-typedef struct shared_region_object_chain *shared_region_object_chain_t;
-
-#else /* !MACH_KERNEL_PRIVATE */
-
-typedef void *shared_region_mapping_t;
-
-#endif /* MACH_KERNEL_PRIVATE */
-
-/* address space shared region descriptor */
-
-extern kern_return_t shared_region_mapping_info(
- shared_region_mapping_t shared_region,
- ipc_port_t *text_region,
- vm_size_t *text_size,
- ipc_port_t *data_region,
- vm_size_t *data_size,
- vm_offset_t *region_mappings,
- vm_offset_t *client_base,
- vm_offset_t *alternate_base,
- vm_offset_t *alternate_next,
- int *flags,
- shared_region_mapping_t *next);
-
-extern kern_return_t shared_region_mapping_create(
- ipc_port_t text_region,
- vm_size_t text_size,
- ipc_port_t data_region,
- vm_size_t data_size,
- vm_offset_t region_mappings,
- vm_offset_t client_base,
- shared_region_mapping_t *shared_region,
- vm_offset_t alt_base,
- vm_offset_t alt_next);
-
-extern kern_return_t shared_region_mapping_ref(
- shared_region_mapping_t shared_region);
-
-extern kern_return_t shared_region_mapping_dealloc(
- shared_region_mapping_t shared_region);
-
-extern kern_return_t
-shared_region_object_chain_attach(
- shared_region_mapping_t target_region,
- shared_region_mapping_t object_chain);
-
-/*
-extern kern_return_t vm_get_shared_region(
- task_t task,
- shared_region_mapping_t *shared_region);
-
-extern kern_return_t vm_set_shared_region(
- task_t task,
- shared_region_mapping_t shared_region);
-*/
-
#endif /* _VM_VM_MAP_H_ */
projects / apple / xnu.git / blobdiff