*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
*
- * File: kern/shared_memory_server.h
+ * File: mach/shared_memory_server.h
*
* protos and struct definitions for shared library
* server and interface
*/
-#ifndef _SHARED_MEMORY_SERVER_H_
-#define _SHARED_MEMORY_SERVER_H_
+#ifndef _MACH_SHARED_MEMORY_SERVER_H_
+#define _MACH_SHARED_MEMORY_SERVER_H_
#define SHARED_LIBRARY_SERVER_SUPPORTED
-#define GLOBAL_SHARED_TEXT_SEGMENT 0x70000000
-#define GLOBAL_SHARED_DATA_SEGMENT 0x80000000
+#define GLOBAL_SHARED_TEXT_SEGMENT 0x90000000
+#define GLOBAL_SHARED_DATA_SEGMENT 0xA0000000
#define GLOBAL_SHARED_SEGMENT_MASK 0xF0000000
#define SHARED_TEXT_REGION_SIZE 0x10000000
#include <mach/vm_prot.h>
-#ifndef MACH_KERNEL
-#include <mach/mach.h>
-#else
-#include <vm/vm_map.h>
-#endif
-
-#ifdef MACH_KERNEL_PRIVATE
-
-#include <kern/queue.h>
-#include <vm/vm_object.h>
-#include <vm/memory_object.h>
-
-extern ipc_port_t shared_text_region_handle;
-extern ipc_port_t shared_data_region_handle;
-#else /* MACH_KERNEL_PRIVATE */
-
-#ifdef KERNEL_PRIVATE
-extern mach_port_t shared_text_region_handle;
-extern mach_port_t shared_data_region_handle;
-#endif
-#endif /* MACH_KERNEL_PRIVATE*/
-
-#ifdef KERNEL_PRIVATE
-
-extern vm_offset_t shared_file_mapping_array;
-
-
-struct shared_region_task_mappings {
- 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;
- vm_offset_t self;
-};
-
-#define SHARED_REGION_SYSTEM 0x1
-#define SHARED_REGION_FULL 0x2
-
-typedef struct shared_region_task_mappings *shared_region_task_mappings_t;
-#endif /* KERNEL_PRIVATE */
-
+#include <mach/mach_types.h>
#define SHARED_LIB_ALIAS 0x10
/* IN */
#define ALTERNATE_LOAD_SITE 0x1
#define NEW_LOCAL_SHARED_REGIONS 0x2
+#define QUERY_IS_SYSTEM_REGION 0x4
/* OUT */
#define SF_PREV_LOADED 0x1
+#define SYSTEM_REGION_BACKED 0x2
#define load_file_hash(file_object, size) \
typedef struct sf_mapping sf_mapping_t;
-
-#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_ */
+#endif /* _MACH_SHARED_MEMORY_SERVER_H_ */
projects / apple / xnu.git / blobdiff