ld/ldctor.h

   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 */
  26 extern 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.  */
  31 extern bfd_boolean constructors_sorted;
  32
  33 /* We keep a list of these structures for each set we build.  */
  34
  35 struct 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
  43 struct 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
  52 extern struct set_info *sets;
  53
  54 extern void ldctor_add_set_entry
  55   (struct bfd_link_hash_entry *, bfd_reloc_code_real_type, const char *,
  56    asection *, bfd_vma);
  57 extern void ldctor_build_sets
  58   (void);
  59
  60 #endif