vm_object_t object; /* object I point to */
vm_object_offset_t offset; /* offset into object */
union {
- ipc_port_t pager; /* amo pager port */
+ memory_object_t pager; /* amo pager port */
vm_map_t map; /* map backing submap */
} backing;
unsigned int size; /* size of region */
/* boolean_t */ is_sub_map:1; /* is object is a submap? */
};
-typedef struct vm_named_entry *vm_named_entry_t;
-
-
/*
* Type: vm_map_entry_t [internal use only]
*
int type;
#define VM_MAP_COPY_ENTRY_LIST 1
#define VM_MAP_COPY_OBJECT 2
-#define VM_MAP_COPY_PAGE_LIST 3
-#define VM_MAP_COPY_KERNEL_BUFFER 4
+#define VM_MAP_COPY_KERNEL_BUFFER 3
vm_object_offset_t offset;
vm_size_t size;
union {
* vm_map_object_to_page_list
*/
} c_o;
- struct { /* PAGE_LIST */
- int npages;
- boolean_t page_loose;
- vm_map_copy_cont_t cont;
- vm_map_copyin_args_t cont_args;
- vm_page_t page_list[VM_MAP_COPY_PAGE_LIST_MAX];
- } c_p;
struct { /* KERNEL_BUFFER */
vm_offset_t kdata;
vm_size_t kalloc_size; /* size of this copy_t */
#define cpy_object c_u.c_o.object
#define cpy_index c_u.c_o.index
-#define cpy_page_list c_u.c_p.page_list
-#define cpy_npages c_u.c_p.npages
-#define cpy_page_loose c_u.c_p.page_loose
-#define cpy_cont c_u.c_p.cont
-#define cpy_cont_args c_u.c_p.cont_args
-
#define cpy_kdata c_u.c_k.kdata
#define cpy_kalloc_size c_u.c_k.kalloc_size
#define vm_map_copy_last_entry(copy) \
((copy)->cpy_hdr.links.prev)
-/*
- * Continuation macros for page list copy objects
- */
-
-#define vm_map_copy_invoke_cont(old_copy, new_copy, result) \
-MACRO_BEGIN \
- assert(vm_map_copy_cont_is_valid(old_copy)); \
- vm_map_copy_page_discard(old_copy); \
- *result = (*((old_copy)->cpy_cont))((old_copy)->cpy_cont_args, \
- new_copy); \
- (old_copy)->cpy_cont = VM_MAP_COPY_CONT_NULL; \
-MACRO_END
-
-#define vm_map_copy_invoke_extend_cont(old_copy, new_copy, result) \
-MACRO_BEGIN \
- assert(vm_map_copy_cont_is_valid(old_copy)); \
- *result = (*((old_copy)->cpy_cont))((old_copy)->cpy_cont_args, \
- new_copy); \
- (old_copy)->cpy_cont = VM_MAP_COPY_CONT_NULL; \
-MACRO_END
-
-#define vm_map_copy_abort_cont(old_copy) \
-MACRO_BEGIN \
- assert(vm_map_copy_cont_is_valid(old_copy)); \
- vm_map_copy_page_discard(old_copy); \
- (*((old_copy)->cpy_cont))((old_copy)->cpy_cont_args, \
- (vm_map_copy_t *) 0); \
- (old_copy)->cpy_cont = VM_MAP_COPY_CONT_NULL; \
- (old_copy)->cpy_cont_args = VM_MAP_COPYIN_ARGS_NULL; \
-MACRO_END
-
-#define vm_map_copy_has_cont(copy) \
- (((copy)->cpy_cont) != VM_MAP_COPY_CONT_NULL)
-
-/*
- * Macro to determine number of pages in a page-list copy chain.
- */
-
-#define vm_map_copy_page_count(copy) \
- (round_page(((vm_offset_t)(copy)->offset - trunc_page((vm_offset_t)(copy)->offset)) + (copy)->size) / PAGE_SIZE)
-
/*
* Macros: vm_map_lock, etc. [internal use only]
* Description:
vm_offset_t address,
vm_map_entry_t *entry); /* OUT */
-/* A version of vm_map_copy_discard that can be called
- * as a continuation from a vm_map_copy page list. */
-extern kern_return_t vm_map_copy_discard_cont(
- vm_map_copyin_args_t cont_args,
- vm_map_copy_t *copy_result);/* OUT */
-
/* Find the VM object, offset, and protection for a given virtual address
* in the specified map, assuming a page fault of the type specified. */
extern kern_return_t vm_map_lookup_locked(
vm_map_copy_t copy,
int interruptible);
-/* Version of vm_map_copyout() for page list vm map copies. */
-extern kern_return_t vm_map_copyout_page_list(
- vm_map_t dst_map,
- vm_offset_t *dst_addr, /* OUT */
- vm_map_copy_t copy);
-
-/* Get rid of the pages in a page_list copy. */
-extern void vm_map_copy_page_discard(
- vm_map_copy_t copy);
-
/* Create a copy object from an object. */
extern kern_return_t vm_map_copyin_object(
vm_object_t object,
vm_object_size_t size,
vm_map_copy_t *copy_result); /* OUT */
-
-/* Make a copy of a region */
-/* Make a copy of a region using a page list copy */
-extern kern_return_t vm_map_copyin_page_list(
- vm_map_t src_map,
- vm_offset_t src_addr,
- vm_size_t len,
- int options,
- vm_map_copy_t *copy_result, /* OUT */
- boolean_t is_cont);
-
extern vm_map_t vm_map_switch(
vm_map_t map);
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);
+
+extern kern_return_t vm_map_region_replace(
+ vm_map_t target_map,
+ ipc_port_t old_region,
+ ipc_port_t new_region,
+ vm_offset_t start,
+ vm_offset_t end);
+
/*
* Macros to invoke vm_map_copyin_common. vm_map_copyin is the
* usual form; it handles a copyin based on the current protection
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