ld/ldctor.h

   1 /* ldctor.h - linker constructor support
   2    Copyright 1991, 92, 93, 94, 95, 1998 Free Software Foundation, Inc.
   3
   4 This file is part of GLD, the Gnu Linker.
   5
   6 GLD 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 2, or (at your option)
   9 any later version.
  10
  11 GLD 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 GLD; see the file COPYING.  If not, write to the Free
  18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 #ifndef LDCTOR_H
  22 #define LDCTOR_H
  23
  24 /* List of statements needed to handle constructors */
  25 extern 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.  */
  30 extern boolean constructors_sorted;
  31
  32 /* We keep a list of these structures for each set we build.  */
  33
  34 struct set_info
  35 {
  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 {
  45   struct set_element *next;             /* Next element.  */
  46   const char *name;                     /* Name in set (may be NULL).  */
  47   asection *section;                    /* Section of value in set.  */
  48   bfd_vma value;                        /* Value in set.  */
  49 };
  50
  51 /* The sets we have seen.  */
  52
  53 extern struct set_info *sets;
  54
  55 extern void ldctor_add_set_entry PARAMS ((struct bfd_link_hash_entry *,
  56                                           bfd_reloc_code_real_type,
  57                                           const char *, asection *, bfd_vma));
  58 extern void ldctor_build_sets PARAMS ((void));
  59
  60 #endif