binutils-gdb/ld/ldctor.h

/* ldctor.h - linker constructor support
   Copyright (C) 1991-2020 Free Software Foundation, Inc.

   This file is part of the GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#ifndef LDCTOR_H
#define LDCTOR_H

/* List of statements needed to handle constructors */
extern lang_statement_list_type constructor_list;

/* Whether the constructors should be sorted.  Note that this is
   global for the entire link; we assume that there is only a single
   CONSTRUCTORS command in the linker script.  */
extern bfd_boolean constructors_sorted;

/* We keep a list of these structures for each set we build.  */

struct set_info {
  struct set_info *next;		/* Next set.  */
  struct bfd_link_hash_entry *h;	/* Hash table entry.  */
  bfd_reloc_code_real_type reloc;	/* Reloc to use for an entry.  */
  size_t count;				/* Number of elements.  */
  struct set_element *elements;		/* Elements in set.  */
};

struct set_element {
  union {
    struct set_element *next;		/* Next element.  */
    long idx;
  } u;
  const char *name;			/* Name in set (may be NULL).  */
  asection *section;			/* Section of value in set.  */
  bfd_vma value;			/* Value in set.  */
};

/* The sets we have seen.  */

extern struct set_info *sets;

extern void ldctor_add_set_entry
  (struct bfd_link_hash_entry *, bfd_reloc_code_real_type, const char *,
   asection *, bfd_vma);
extern void ldctor_build_sets
  (void);

#endif