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- /* genlink.h -- interface to the BFD generic linker
- Copyright 1993, 1994 Free Software Foundation, Inc.
- Written by Ian Lance Taylor, Cygnus Support.
-
- This file is part of BFD, the Binary File Descriptor library.
-
- 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
- #ifndef GENLINK_H
- #define GENLINK_H
-
- /* This header file is internal to BFD. It describes the internal
- structures and functions used by the BFD generic linker, in case
- any of the more specific linkers want to use or call them. Note
- that some functions, such as _bfd_generic_link_hash_table_create,
- are declared in libbfd.h, because they are expected to be widely
- used. The functions and structures in this file will probably only
- be used by a few files besides linker.c itself. In fact, this file
- is not particularly complete; I have only put in the interfaces I
- actually needed. */
-
- /* The generic linker uses a hash table which is a derived class of
- the standard linker hash table, just as the other backend specific
- linkers do. Do not confuse the generic linker hash table with the
- standard BFD linker hash table it is built upon. */
-
- /* Generic linker hash table entries. */
-
- struct generic_link_hash_entry
- {
- struct bfd_link_hash_entry root;
- /* Whether this symbol has been written out. */
- boolean written;
- /* Symbol from input BFD. */
- asymbol *sym;
- };
-
- /* Generic linker hash table. */
-
- struct generic_link_hash_table
- {
- struct bfd_link_hash_table root;
- };
-
- /* Look up an entry in an generic link hash table. */
-
- #define _bfd_generic_link_hash_lookup(table, string, create, copy, follow) \
- ((struct generic_link_hash_entry *) \
- bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
-
- /* Traverse an generic link hash table. */
-
- #define _bfd_generic_link_hash_traverse(table, func, info) \
- (bfd_link_hash_traverse \
- (&(table)->root, \
- (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
- (info)))
-
- /* Get the generic link hash table from the info structure. This is
- just a cast. */
-
- #define _bfd_generic_hash_table(p) \
- ((struct generic_link_hash_table *) ((p)->hash))
-
- /* The generic linker reads in the asymbol structures for an input BFD
- and keeps them in the outsymbol and symcount fields. */
-
- #define _bfd_generic_link_get_symbols(abfd) ((abfd)->outsymbols)
- #define _bfd_generic_link_get_symcount(abfd) ((abfd)->symcount)
-
- /* Add the symbols of input_bfd to the symbols being built for
- output_bfd. */
- extern boolean _bfd_generic_link_output_symbols
- PARAMS ((bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *,
- size_t *psymalloc));
-
- /* This structure is used to pass information to
- _bfd_generic_link_write_global_symbol, which may be called via
- _bfd_generic_link_hash_traverse. */
-
- struct generic_write_global_symbol_info
- {
- struct bfd_link_info *info;
- bfd *output_bfd;
- size_t *psymalloc;
- };
-
- /* Write out a single global symbol. This is expected to be called
- via _bfd_generic_link_hash_traverse. The second argument must
- actually be a struct generic_write_global_symbol_info *. */
- extern boolean _bfd_generic_link_write_global_symbol
- PARAMS ((struct generic_link_hash_entry *, PTR));
-
- /* Generic link hash table entry creation routine. */
- struct bfd_hash_entry *_bfd_generic_link_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
- const char *));
-
- #endif
-