xnu-792.24.17.tar.gz

[apple/xnu.git] / osfmk / mach / shared_memory_server.h

diff --git a/osfmk/mach/shared_memory_server.h b/osfmk/mach/shared_memory_server.h
index 03195e2c52f49b011ec3e599c1b3c55e2c32c5a5..af2aea45cccbde1e2d153e227304a81c4773eb95 100644 (file)
--- a/osfmk/mach/shared_memory_server.h
+++ b/osfmk/mach/shared_memory_server.h
@@ -1,24 +1,21 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 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.
  * 
- * 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
+ * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -32,14 +29,25 @@
 #ifndef _MACH_SHARED_MEMORY_SERVER_H_
 #define _MACH_SHARED_MEMORY_SERVER_H_
 
+#include <sys/cdefs.h>
+#include <mach/vm_prot.h>
+#include <mach/vm_types.h>
+#include <mach/mach_types.h>
+
+#define VM_PROT_COW  0x8  /* must not interfere with normal prot assignments */
+#define VM_PROT_ZF  0x10  /* must not interfere with normal prot assignments */
+
+
+#if !defined(__LP64__)
+
 #define        SHARED_LIBRARY_SERVER_SUPPORTED
-#define GLOBAL_SHARED_TEXT_SEGMENT 0x90000000
-#define GLOBAL_SHARED_DATA_SEGMENT 0xA0000000
-#define GLOBAL_SHARED_SEGMENT_MASK 0xF0000000
+#define GLOBAL_SHARED_TEXT_SEGMENT     0x90000000
+#define GLOBAL_SHARED_DATA_SEGMENT     0xA0000000
+#define GLOBAL_SHARED_SEGMENT_MASK     0xF0000000
 
-#define                SHARED_TEXT_REGION_SIZE 0x10000000
-#define                SHARED_DATA_REGION_SIZE 0x10000000
-#define                SHARED_ALTERNATE_LOAD_BASE 0x9000000
+#define        SHARED_TEXT_REGION_SIZE         0x10000000
+#define        SHARED_DATA_REGION_SIZE         0x10000000
+#define        SHARED_ALTERNATE_LOAD_BASE      0x09000000
 
 /* 
  *  Note: the two masks below are useful because the assumption is 
@@ -47,12 +55,8 @@
  *  i.e. if the size is 0x10000000 the object can be mapped at 
  *  0x20000000, or 0x30000000, but not 0x1000000
  */
-#define                SHARED_TEXT_REGION_MASK 0xFFFFFFF
-#define                SHARED_DATA_REGION_MASK 0xFFFFFFF
-
-
-#include <mach/vm_prot.h>
-#include <mach/mach_types.h>
+#define        SHARED_TEXT_REGION_MASK         0x0FFFFFFF
+#define        SHARED_DATA_REGION_MASK         0x0FFFFFFF
 
 #define SHARED_LIB_ALIAS  0x10
 
@@ -69,12 +73,6 @@
 #define SYSTEM_REGION_BACKED 0x2
 
 
-#define load_file_hash(file_object, size) \
-               ((((natural_t)file_object) & 0xffffff) % size)
-
-#define VM_PROT_COW  0x8  /* must not interfere with normal prot assignments */
-#define VM_PROT_ZF  0x10  /* must not interfere with normal prot assignments */
-
 struct sf_mapping {
        vm_offset_t     mapping_offset;
        vm_size_t       size;
@@ -82,7 +80,49 @@ struct sf_mapping {
        vm_prot_t       protection;  /* read/write/execute/COW/ZF */
        vm_offset_t     cksum;
 };
-
 typedef struct sf_mapping sf_mapping_t;
 
+#ifndef KERNEL
+/* load_shared_file and friends is deprecated */
+__BEGIN_DECLS
+int    load_shared_file(char *, caddr_t, u_long,
+               caddr_t *, int, sf_mapping_t *, int *);
+int    reset_shared_file(caddr_t *, int, sf_mapping_t *);
+int    new_system_shared_regions(void);
+__END_DECLS
+#endif /* !KERNEL */
+
+#endif  /* !defined(__LP64__) */
+
+/* 
+ * All shared_region_* declarations are a private interface
+ * between dyld and the kernel.
+ *
+ */
+struct shared_file_mapping_np {
+       mach_vm_address_t       sfm_address;
+       mach_vm_size_t          sfm_size;
+       mach_vm_offset_t        sfm_file_offset;
+       vm_prot_t               sfm_max_prot;
+       vm_prot_t               sfm_init_prot;
+};
+
+struct shared_region_range_np {
+       mach_vm_address_t       srr_address;
+       mach_vm_size_t          srr_size;
+};
+
+#ifndef KERNEL
+
+__BEGIN_DECLS
+int    shared_region_map_file_np(int fd,
+                                 uint32_t mappingCount,
+                                 const struct shared_file_mapping_np *mappings,
+                                 int64_t *slide_p);
+int    shared_region_make_private_np(uint32_t rangeCount,
+                                     const struct shared_region_range_np *ranges);
+__END_DECLS
+
+#endif /* !KERNEL */
+
 #endif /* _MACH_SHARED_MEMORY_SERVER_H_ */