-
-#ifdef MACH_KERNEL_PRIVATE
-
-struct loaded_mapping {
- vm_offset_t mapping_offset;
- vm_size_t size;
- vm_offset_t file_offset;
- vm_prot_t protection; /* read/write/execute/COW/ZF */
-
- struct loaded_mapping *next;
-};
-
-typedef struct loaded_mapping loaded_mapping_t;
-
-struct load_struct {
- queue_chain_t links;
- shared_region_mapping_t regions_instance;
- int depth;
- int file_object;
- vm_offset_t base_address;
- int mapping_cnt;
- loaded_mapping_t *mappings;
-};
-
-#endif /* MACH_KERNEL_PRIVATE */
-
-typedef struct load_struct load_struct_t;
-typedef struct load_struct *load_struct_ptr_t;
-
-#ifdef MACH_KERNEL_PRIVATE
-
-struct load_file_ele {
- union {
- sf_mapping_t mapping;
- load_struct_t element;
- } u;
-};
-
-struct shared_file_info {
- mutex_t lock; /* lock for the structure */
- queue_head_t *hash; /* for later perf enhance */
- int hash_size;
- boolean_t hash_init;
-};
-
-typedef struct shared_file_info shared_file_info_t;
-
-extern kern_return_t
-copyin_shared_file(
- vm_offset_t mapped_file,
- vm_size_t mapped_file_size,
- vm_offset_t *base_address,
- int map_cnt,
- sf_mapping_t *mappings,
- memory_object_control_t file_control,
- shared_region_task_mappings_t shared_region,
- int *flags);
-
-extern kern_return_t
-shared_file_init(
- ipc_port_t *shared_text_region_handle,
- vm_size_t text_region_size,
- ipc_port_t *shared_data_region_handle,
- vm_size_t data_region_size,
- vm_offset_t *shared_file_mapping_array);
-
-extern load_struct_t *
-lsf_hash_lookup(
- queue_head_t *hash_table,
- void *file_object,
- int size,
- boolean_t alternate,
- shared_region_task_mappings_t sm_info);
-
-extern load_struct_t *
-lsf_hash_delete(
- void *file_object,
- vm_offset_t base_offset,
- shared_region_task_mappings_t sm_info);
-
-extern void
-lsf_hash_insert(
- load_struct_t *entry,
- shared_region_task_mappings_t sm_info);
-
-extern kern_return_t
-lsf_load(
- vm_offset_t mapped_file,
- vm_size_t mapped_file_size,
- vm_offset_t *base_address,
- sf_mapping_t *mappings,
- int map_cnt,
- void *file_object,
- int flags,
- shared_region_task_mappings_t sm_info);
-
-extern void
-lsf_unload(
- void *file_object,
- vm_offset_t base_offset,
- shared_region_task_mappings_t sm_info);
-
-#endif /* MACH_KERNEL_PRIVATE */
-#endif /* _SHARED_MEMORY_SERVER_H_ */