1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
Copyright 2015-2016 David Anderson. All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of version 2 of the GNU General
Public License as published by the Free Software Foundation.
This program is distributed in the hope that it would be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
Further, this software is distributed without any warranty
that it is free of the rightful claim of any third person
regarding infringement or the like. Any license provided
herein, whether implied or otherwise, applies only to this
software file. Patent licenses, if any, provided herein
do not apply to combinations of this program with other
software, or any other product whatsoever.
You should have received a copy of the GNU General Public
License along with this program; if not, write the Free
Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston MA 02110-1301, USA.
*/
#ifndef HELPERTREE_H
#define HELPERTREE_H
/* This is a tsearch tree interface we may use in various ways
where each different sort of use is a different Helpertree_Base_s
instance. */
/* We create Helpertree_Base_s so we can use type-checked calls, not
showing the tsearch void* outside of helpertree.c. */
struct Helpertree_Base_s {
void * hb_base;
};
/* For .debug_info */
extern struct Helpertree_Base_s helpertree_offsets_base_info;
/* For .debug_types. */
extern struct Helpertree_Base_s helpertree_offsets_base_types;
struct Helpertree_Map_Entry_s {
/* Key is offset. It will be a section-global offset so
applicable across an entire executable/object section. */
Dwarf_Unsigned hm_key;
/* val is something defined differently in different uses.
for integer type it is
0 means unknown
-1 known signed
1 known unsigned. */
int hm_val;
/* Add fields here as needed. */
};
/* Add entry or set to known-signed or known-unsigned. */
struct Helpertree_Map_Entry_s *
helpertree_add_entry( Dwarf_Unsigned offset, int val,
struct Helpertree_Base_s *helper);
/* Look for entry. Use hm_val (if non-null return) to determine signedness. */
struct Helpertree_Map_Entry_s *
helpertree_find(Dwarf_Unsigned offset,struct Helpertree_Base_s *helper);
void helpertree_clear_statistics(struct Helpertree_Base_s *helper);
#endif /* HELPERTREE_H */
|
