1/* ldctor.h - linker constructor support
2   Copyright 1991, 1992, 1993, 1994, 1995, 1998, 2000, 2002, 2003, 2005,
3   2007, 2008  Free Software Foundation, Inc.
4
5   This file is part of the GNU Binutils.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20   MA 02110-1301, USA.  */
21
22#ifndef LDCTOR_H
23#define LDCTOR_H
24
25/* List of statements needed to handle constructors */
26extern lang_statement_list_type constructor_list;
27
28/* Whether the constructors should be sorted.  Note that this is
29   global for the entire link; we assume that there is only a single
30   CONSTRUCTORS command in the linker script.  */
31extern bfd_boolean constructors_sorted;
32
33/* We keep a list of these structures for each set we build.  */
34
35struct set_info {
36  struct set_info *next;		/* Next set.  */
37  struct bfd_link_hash_entry *h;	/* Hash table entry.  */
38  bfd_reloc_code_real_type reloc;	/* Reloc to use for an entry.  */
39  size_t count;				/* Number of elements.  */
40  struct set_element *elements;		/* Elements in set.  */
41};
42
43struct set_element {
44  struct set_element *next;		/* Next element.  */
45  const char *name;			/* Name in set (may be NULL).  */
46  asection *section;			/* Section of value in set.  */
47  bfd_vma value;			/* Value in set.  */
48};
49
50/* The sets we have seen.  */
51
52extern struct set_info *sets;
53
54extern void ldctor_add_set_entry
55  (struct bfd_link_hash_entry *, bfd_reloc_code_real_type, const char *,
56   asection *, bfd_vma);
57extern void ldctor_build_sets
58  (void);
59
60#endif
61