2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2002-2004 Roland McGrath <roland@redhat.com>
7 * Copyright (c) 2010 Andreas Schwab <schwab@linux-m68k.org>
8 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
9 * Copyright (c) 2014-2017 The strace developers.
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 #ifdef HAVE_STRUCT_USER_DESC
41 # include "print_fields.h"
45 print_user_desc(struct tcb *const tcp, const kernel_ulong_t addr)
47 struct user_desc desc;
49 if (umove_or_printaddr(tcp, addr, &desc))
52 PRINT_FIELD_ID("{", desc, entry_number);
53 PRINT_FIELD_0X(", ", desc, base_addr);
54 PRINT_FIELD_0X(", ", desc, limit);
55 PRINT_FIELD_U_CAST(", ", desc, seg_32bit, unsigned int);
56 PRINT_FIELD_U_CAST(", ", desc, contents, unsigned int);
57 PRINT_FIELD_U_CAST(", ", desc, read_exec_only, unsigned int);
58 PRINT_FIELD_U_CAST(", ", desc, limit_in_pages, unsigned int);
59 PRINT_FIELD_U_CAST(", ", desc, seg_not_present, unsigned int);
60 PRINT_FIELD_U_CAST(", ", desc, useable, unsigned int);
62 # ifdef HAVE_STRUCT_USER_DESC_LM
63 /* lm is totally ignored for 32-bit processes */
64 if (current_klongsize == 8)
65 PRINT_FIELD_U_CAST(", ", desc, lm, unsigned int);
66 # endif /* HAVE_STRUCT_USER_DESC_LM */
73 tprintf("%" PRI_kld ", ", tcp->u_arg[0]);
74 if (tcp->u_arg[2] != sizeof(struct user_desc))
75 printaddr(tcp->u_arg[1]);
77 print_user_desc(tcp, tcp->u_arg[1]);
78 tprintf(", %" PRI_klu, tcp->u_arg[2]);
83 SYS_FUNC(set_thread_area)
86 print_user_desc(tcp, tcp->u_arg[0]);
88 struct user_desc desc;
90 if (!verbose(tcp) || syserror(tcp) ||
91 umove(tcp, tcp->u_arg[0], &desc) < 0) {
92 /* returned entry_number is not available */
94 static char outstr[32];
96 xsprintf(outstr, "entry_number=%u", desc.entry_number);
104 SYS_FUNC(get_thread_area)
107 print_user_desc(tcp, tcp->u_arg[0]);
111 #endif /* HAVE_STRUCT_USER_DESC */
113 #if defined(M68K) || defined(MIPS)
114 SYS_FUNC(set_thread_area)
116 printaddr(tcp->u_arg[0]);
124 SYS_FUNC(get_thread_area)
126 return RVAL_DECODED | RVAL_HEX;