1/* ldctor.h - linker constructor support
2   Copyright (C) 1991-2017 Free Software Foundation, Inc.
3
4   This file is part of the GNU Binutils.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21#ifndef LDCTOR_H
22#define LDCTOR_H
23
24/* List of statements needed to handle constructors */
25extern lang_statement_list_type constructor_list;
26
27/* Whether the constructors should be sorted.  Note that this is
28   global for the entire link; we assume that there is only a single
29   CONSTRUCTORS command in the linker script.  */
30extern bfd_boolean constructors_sorted;
31
32/* We keep a list of these structures for each set we build.  */
33
34struct set_info {
35  struct set_info *next;		/* Next set.  */
36  struct bfd_link_hash_entry *h;	/* Hash table entry.  */
37  bfd_reloc_code_real_type reloc;	/* Reloc to use for an entry.  */
38  size_t count;				/* Number of elements.  */
39  struct set_element *elements;		/* Elements in set.  */
40};
41
42struct set_element {
43  struct set_element *next;		/* Next element.  */
44  const char *name;			/* Name in set (may be NULL).  */
45  asection *section;			/* Section of value in set.  */
46  bfd_vma value;			/* Value in set.  */
47};
48
49/* The sets we have seen.  */
50
51extern struct set_info *sets;
52
53extern void ldctor_add_set_entry
54  (struct bfd_link_hash_entry *, bfd_reloc_code_real_type, const char *,
55   asection *, bfd_vma);
56extern void ldctor_build_sets
57  (void);
58
59#endif
60