xref: /openbsd-src/gnu/usr.bin/binutils-2.17/ld/ldctor.h (revision 3d8817e467ea46cf4772788d6804dd293abfb01a)
1*3d8817e4Smiod /* ldctor.h - linker constructor support
2*3d8817e4Smiod    Copyright 1991, 1992, 1993, 1994, 1995, 1998, 2000, 2002, 2003
3*3d8817e4Smiod    Free Software Foundation, Inc.
4*3d8817e4Smiod 
5*3d8817e4Smiod This file is part of GLD, the Gnu Linker.
6*3d8817e4Smiod 
7*3d8817e4Smiod GLD is free software; you can redistribute it and/or modify
8*3d8817e4Smiod it under the terms of the GNU General Public License as published by
9*3d8817e4Smiod the Free Software Foundation; either version 2, or (at your option)
10*3d8817e4Smiod any later version.
11*3d8817e4Smiod 
12*3d8817e4Smiod GLD is distributed in the hope that it will be useful,
13*3d8817e4Smiod but WITHOUT ANY WARRANTY; without even the implied warranty of
14*3d8817e4Smiod MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*3d8817e4Smiod GNU General Public License for more details.
16*3d8817e4Smiod 
17*3d8817e4Smiod You should have received a copy of the GNU General Public License
18*3d8817e4Smiod along with GLD; see the file COPYING.  If not, write to the Free
19*3d8817e4Smiod Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
20*3d8817e4Smiod 02110-1301, USA.  */
21*3d8817e4Smiod 
22*3d8817e4Smiod #ifndef LDCTOR_H
23*3d8817e4Smiod #define LDCTOR_H
24*3d8817e4Smiod 
25*3d8817e4Smiod /* List of statements needed to handle constructors */
26*3d8817e4Smiod extern lang_statement_list_type constructor_list;
27*3d8817e4Smiod 
28*3d8817e4Smiod /* Whether the constructors should be sorted.  Note that this is
29*3d8817e4Smiod    global for the entire link; we assume that there is only a single
30*3d8817e4Smiod    CONSTRUCTORS command in the linker script.  */
31*3d8817e4Smiod extern bfd_boolean constructors_sorted;
32*3d8817e4Smiod 
33*3d8817e4Smiod /* We keep a list of these structures for each set we build.  */
34*3d8817e4Smiod 
35*3d8817e4Smiod struct set_info {
36*3d8817e4Smiod   struct set_info *next;		/* Next set.  */
37*3d8817e4Smiod   struct bfd_link_hash_entry *h;	/* Hash table entry.  */
38*3d8817e4Smiod   bfd_reloc_code_real_type reloc;	/* Reloc to use for an entry.  */
39*3d8817e4Smiod   size_t count;				/* Number of elements.  */
40*3d8817e4Smiod   struct set_element *elements;		/* Elements in set.  */
41*3d8817e4Smiod };
42*3d8817e4Smiod 
43*3d8817e4Smiod struct set_element {
44*3d8817e4Smiod   struct set_element *next;		/* Next element.  */
45*3d8817e4Smiod   const char *name;			/* Name in set (may be NULL).  */
46*3d8817e4Smiod   asection *section;			/* Section of value in set.  */
47*3d8817e4Smiod   bfd_vma value;			/* Value in set.  */
48*3d8817e4Smiod };
49*3d8817e4Smiod 
50*3d8817e4Smiod /* The sets we have seen.  */
51*3d8817e4Smiod 
52*3d8817e4Smiod extern struct set_info *sets;
53*3d8817e4Smiod 
54*3d8817e4Smiod extern void ldctor_add_set_entry
55*3d8817e4Smiod   (struct bfd_link_hash_entry *, bfd_reloc_code_real_type, const char *,
56*3d8817e4Smiod    asection *, bfd_vma);
57*3d8817e4Smiod extern void ldctor_build_sets
58*3d8817e4Smiod   (void);
59*3d8817e4Smiod 
60*3d8817e4Smiod #endif
61