1 /*
2  * Auxiliary printing function for the struct user_desc type.
3  * Used by modify_ldt and xet_thread_area tests.
4  *
5  * Copyright (c) 2018 The strace developers.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "tests.h"
32 
33 #ifdef HAVE_STRUCT_USER_DESC
34 
35 # include <asm/ldt.h>
36 
37 /**
38  * Print user_desc structure.
39  *
40  * @param us        Pointer to struct user_desc to print.
41  * @param entry_str If not NULL, the string is printed as a value of
42  *                  entry_number field.
43  */
44 static void
45 print_user_desc(struct user_desc *us, const char *entry_str)
46 {
47 	if (entry_str)
48 		printf("{entry_number=%s", entry_str);
49 	else
50 		printf("{entry_number=%u", us->entry_number);
51 
52 	printf(", base_addr=%#08x"
53 	       ", limit=%#08x"
54 	       ", seg_32bit=%u"
55 	       ", contents=%u"
56 	       ", read_exec_only=%u"
57 	       ", limit_in_pages=%u"
58 	       ", seg_not_present=%u"
59 	       ", useable=%u"
60 # ifdef __x86_64__
61 	       ", lm=%u"
62 # endif
63 	       "}",
64 	       us->base_addr,
65 	       us->limit,
66 	       us->seg_32bit,
67 	       us->contents,
68 	       us->read_exec_only,
69 	       us->limit_in_pages,
70 	       us->seg_not_present,
71 	       us->useable
72 # ifdef __x86_64__
73 	       , us->lm
74 # endif
75 	       );
76 }
77 
78 #endif /* HAVE_STRUCT_USER_DESC */
79