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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [bfd/] [genlink.h] - Blame information for rev 156

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/* genlink.h -- interface to the BFD generic linker
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   Copyright 1993, 1994, 1996, 2002, 2005, 2007 Free Software Foundation, Inc.
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   Written by Ian Lance Taylor, Cygnus Support.
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   This file is part of BFD, the Binary File Descriptor library.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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   MA 02110-1301, USA.  */
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#ifndef GENLINK_H
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#define GENLINK_H
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/* This header file is internal to BFD.  It describes the internal
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   structures and functions used by the BFD generic linker, in case
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   any of the more specific linkers want to use or call them.  Note
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   that some functions, such as _bfd_generic_link_hash_table_create,
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   are declared in libbfd.h, because they are expected to be widely
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   used.  The functions and structures in this file will probably only
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   be used by a few files besides linker.c itself.  In fact, this file
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   is not particularly complete; I have only put in the interfaces I
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   actually needed.  */
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/* The generic linker uses a hash table which is a derived class of
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   the standard linker hash table, just as the other backend specific
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   linkers do.  Do not confuse the generic linker hash table with the
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   standard BFD linker hash table it is built upon.  */
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/* Generic linker hash table entries.  */
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struct generic_link_hash_entry
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{
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  struct bfd_link_hash_entry root;
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  /* Whether this symbol has been written out.  */
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  bfd_boolean written;
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  /* Symbol from input BFD.  */
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  asymbol *sym;
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};
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/* Generic linker hash table.  */
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struct generic_link_hash_table
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{
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  struct bfd_link_hash_table root;
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};
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/* Look up an entry in a generic link hash table.  */
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#define _bfd_generic_link_hash_lookup(table, string, create, copy, follow) \
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  ((struct generic_link_hash_entry *) \
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   bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
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/* Traverse a generic link hash table.  */
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#define _bfd_generic_link_hash_traverse(table, func, info)              \
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  (bfd_link_hash_traverse                                               \
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   (&(table)->root,                                                     \
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    (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func),    \
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    (info)))
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/* Get the generic link hash table from the info structure.  This is
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   just a cast.  */
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#define _bfd_generic_hash_table(p) \
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  ((struct generic_link_hash_table *) ((p)->hash))
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/* The generic linker reads in the asymbol structures for an input BFD
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   and keeps them in the outsymbol and symcount fields.  */
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#define _bfd_generic_link_get_symbols(abfd)  ((abfd)->outsymbols)
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#define _bfd_generic_link_get_symcount(abfd) ((abfd)->symcount)
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/* Add the symbols of input_bfd to the symbols being built for
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   output_bfd.  */
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extern bfd_boolean _bfd_generic_link_output_symbols
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  (bfd *, bfd *, struct bfd_link_info *, size_t *);
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/* This structure is used to pass information to
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   _bfd_generic_link_write_global_symbol, which may be called via
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   _bfd_generic_link_hash_traverse.  */
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struct generic_write_global_symbol_info
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{
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  struct bfd_link_info *info;
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  bfd *output_bfd;
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  size_t *psymalloc;
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};
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/* Write out a single global symbol.  This is expected to be called
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   via _bfd_generic_link_hash_traverse.  The second argument must
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   actually be a struct generic_write_global_symbol_info *.  */
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extern bfd_boolean _bfd_generic_link_write_global_symbol
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  (struct generic_link_hash_entry *, void *);
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/* Generic link hash table entry creation routine.  */
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struct bfd_hash_entry *_bfd_generic_link_hash_newfunc
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  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
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#endif

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