xnu-1228.0.2.tar.gz

[apple/xnu.git] / libkern / mach-o / loader.h

diff --git a/libkern/mach-o/loader.h b/libkern/mach-o/loader.h
index 59450ff88e0bd6f9e9878402d5dc49d5a7e8e755..9a3f8b58aaa0fb1eee221918d1a04f5a6fb2437a 100644 (file)
--- a/libkern/mach-o/loader.h
+++ b/libkern/mach-o/loader.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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.
+ * 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 #ifndef _MACHO_LOADER_H_
 #define _MACHO_LOADER_H_
@@ -44,12 +50,6 @@
  */
 #include <mach/machine/thread_status.h>
 
-/*
- * XXX historically, we have not included this header.  Continue to not do so.
- *
- * #include <architecture/byte_order.h>
- */
-
 /*
  * The mach header appears at the very beginning of the object file; it
  * is the same for both 32-bit and 64-bit architectures.
@@ -66,11 +66,11 @@ struct mach_header {
 
 /* Constant for the magic field of the mach_header (32-bit architectures) */
 #define        MH_MAGIC        0xfeedface      /* the mach magic number */
-#define MH_CIGAM       NXSwapInt(MH_MAGIC)
+#define MH_CIGAM       0xcefaedfe      
 
 /* Constant for the magic field of the mach_header_64 (64-bit architectures) */
 #define MH_MAGIC_64    0xfeedfacf      /* the 64-bit mach magic number */
-#define MH_CIGAM_64    NXSwapInt(MH_MAGIC_64)
+#define MH_CIGAM_64    0xcffaedfe      
 
 /* Constants for the cmd field of new load commands, the type */
 #define LC_SEGMENT_64  0x19    /* 64-bit segment of this file to be mapped */
@@ -166,6 +166,8 @@ struct load_command {
 #define        LC_PREBOUND_DYLIB 0x10  /* modules prebound for a dynamicly */
                                /*  linked shared library */
 
+#define LC_UUID                0x1b    /* the uuid */
+
 /*
  * A variable length string in a load command is represented by an lc_str
  * union.  The strings are stored just after the load command structure and
@@ -764,6 +766,16 @@ struct dylib_reference {
                  flags:8;      /* flags to indicate the type of reference */
 };
 
+/*
+ * The uuid load command contains a single 128-bit unique random number that
+ * identifies an object produced by the static link editor.
+ */
+struct uuid_command {
+    uint32_t   cmd;            /* LC_UUID */
+    uint32_t   cmdsize;        /* sizeof(struct uuid_command) */
+    uint8_t    uuid[16];       /* the 128-bit uuid */
+};
+
 /*
  * The symseg_command contains the offset and size of the GNU style
  * symbol table information as described in the header file <symseg.h>.