1 /* $NetBSD: dwarf_pro_arange.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2010 Kai Wang
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "_libdwarf.h"
30
31 __RCSID("$NetBSD: dwarf_pro_arange.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
32 ELFTC_VCSID("Id: dwarf_pro_arange.c 2074 2011-10-27 03:34:33Z jkoshy ");
33
34 Dwarf_Unsigned
dwarf_add_arange(Dwarf_P_Debug dbg,Dwarf_Addr start,Dwarf_Unsigned length,Dwarf_Signed symbol_index,Dwarf_Error * error)35 dwarf_add_arange(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length,
36 Dwarf_Signed symbol_index, Dwarf_Error *error)
37 {
38
39 return (dwarf_add_arange_b(dbg, start, length, symbol_index, 0, 0,
40 error));
41 }
42
43 Dwarf_Unsigned
dwarf_add_arange_b(Dwarf_P_Debug dbg,Dwarf_Addr start,Dwarf_Unsigned length,Dwarf_Unsigned symbol_index,Dwarf_Unsigned end_symbol_index,Dwarf_Addr offset_from_end_symbol,Dwarf_Error * error)44 dwarf_add_arange_b(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length,
45 Dwarf_Unsigned symbol_index, Dwarf_Unsigned end_symbol_index,
46 Dwarf_Addr offset_from_end_symbol, Dwarf_Error *error)
47 {
48 Dwarf_ArangeSet as;
49 Dwarf_Arange ar;
50
51 if (dbg == NULL) {
52 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
53 return (0);
54 }
55 as = dbg->dbgp_as;
56
57 if (end_symbol_index > 0 &&
58 (dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0) {
59 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
60 return (0);
61 }
62
63 if ((ar = calloc(1, sizeof(struct _Dwarf_Arange))) == NULL) {
64 DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
65 return (0);
66 }
67 ar->ar_as = as;
68 ar->ar_address = start;
69 ar->ar_range = length;
70 ar->ar_symndx = symbol_index;
71 ar->ar_esymndx = end_symbol_index;
72 ar->ar_eoff = offset_from_end_symbol;
73 STAILQ_INSERT_TAIL(&as->as_arlist, ar, ar_next);
74
75 return (1);
76 }
77