xref: /illumos-gate/usr/src/lib/libdwarf/common/dwarf_arange.h (revision 4d9fdb46b215739778ebc12079842c9905586999)
1 /*
2 
3    Copyright (C) 2000 Silicon Graphics, Inc.  All Rights Reserved.
4    Portions Copyright (C) 2011 David Anderson. All Rights Reserved.
5 
6    This program is free software; you can redistribute it and/or modify it
7    under the terms of version 2.1 of the GNU Lesser General Public License
8    as published by the Free Software Foundation.
9 
10    This program is distributed in the hope that it would be useful, but
11    WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 
14    Further, this software is distributed without any warranty that it is
15    free of the rightful claim of any third person regarding infringement
16    or the like.  Any license provided herein, whether implied or
17    otherwise, applies only to this software file.  Patent licenses, if
18    any, provided herein do not apply to combinations of this program with
19    other software, or any other product whatsoever.
20 
21    You should have received a copy of the GNU Lesser General Public
22    License along with this program; if not, write the Free Software
23    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
24    USA.
25 
26 */
27 
28 
29 
30 /*  This structure is used to read an arange into. */
31 struct Dwarf_Arange_s {
32 
33     /*  The segment selector. Only non-zero if Dwarf4, only
34         meaningful if ar_segment_selector_size non-zero   */
35     Dwarf_Unsigned ar_segment_selector;
36 
37     /* Starting address of the arange, ie low-pc. */
38     Dwarf_Addr ar_address;
39 
40     /* Length of the arange. */
41     Dwarf_Unsigned ar_length;
42 
43 
44     /*  Offset into .debug_info of the start of the compilation-unit
45         containing this set of aranges.
46         Applies only to .debug_info, not .debug_types. */
47     Dwarf_Off ar_info_offset;
48 
49     /* Corresponding Dwarf_Debug. */
50     Dwarf_Debug ar_dbg;
51 
52     Dwarf_Half ar_segment_selector_size;
53 };
54 
55 
56 
57 int
58 _dwarf_get_aranges_addr_offsets(Dwarf_Debug dbg,
59     Dwarf_Addr ** addrs,
60     Dwarf_Off ** offsets,
61     Dwarf_Signed * count,
62     Dwarf_Error * error);
63