X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..2dced7af2b695f87fe26496a3e73c219b7880cbc:/osfmk/mach/vm_prot.h

diff --git a/osfmk/mach/vm_prot.h b/osfmk/mach/vm_prot.h
index 307488d45..039390c26 100644
--- a/osfmk/mach/vm_prot.h
+++ b/osfmk/mach/vm_prot.h
@@ -1,31 +1,29 @@
 /*
  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * 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.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
- *
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -86,12 +84,6 @@ typedef int		vm_prot_t;
 #define VM_PROT_WRITE	((vm_prot_t) 0x02)	/* write permission */
 #define VM_PROT_EXECUTE	((vm_prot_t) 0x04)	/* execute permission */
 
-/*
- *	For now we can only support no execute on stacks... too many
- *	entries are marked w/o VM_PROT_EXECUTE that actually have code
- */
-#define STACK_ONLY_NX	1
-
 /*
  *	The default protection for newly-created virtual memory
  */
@@ -137,5 +129,26 @@ typedef int		vm_prot_t;
 
 #define VM_PROT_WANTS_COPY	((vm_prot_t) 0x10)
 
+#ifdef PRIVATE
+/*
+ *	The caller wants this memory region treated as if it had a valid
+ *	code signature.
+ */
+
+#define VM_PROT_TRUSTED		((vm_prot_t) 0x20)
+#endif /* PRIVATE */
+
+/*
+ * 	Another invalid protection value.
+ *	Indicates that the other protection bits are to be applied as a mask
+ *	against the actual protection bits of the map entry.
+ */
+#define VM_PROT_IS_MASK		((vm_prot_t) 0x40)
+
+
+#define VM_PROT_MEMORY_TAG_MASK		0xFF000000
+#define VM_PROT_MEMORY_TAG_SHIFT	24
+#define VM_PROT_MEMORY_TAG(x)		(((x) >> VM_PROT_MEMORY_TAG_SHIFT) & 0xFF)
+#define VM_PROT_MEMORY_TAG_MAKE(x)	(((x) & 0xFF) << VM_PROT_MEMORY_TAG_SHIFT)
 
 #endif	/* _MACH_VM_PROT_H_ */