1999-05-03 09:29:11 +02:00
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/* bfdlink.h -- header file for BFD link routines
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2004-03-22 23:58:04 +01:00
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Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003,
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2004 Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
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2002-06-07 16:56:01 +02:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-03 09:29:11 +02:00
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2002-06-07 16:56:01 +02:00
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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 2 of the License, or
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(at your option) any later version.
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1999-05-03 09:29:11 +02:00
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2002-06-07 16:56:01 +02:00
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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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1999-05-03 09:29:11 +02:00
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2002-06-07 16:56:01 +02:00
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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1999-05-03 09:29:11 +02:00
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#ifndef BFDLINK_H
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#define BFDLINK_H
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/* Which symbols to strip during a link. */
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enum bfd_link_strip
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{
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strip_none, /* Don't strip any symbols. */
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strip_debugger, /* Strip debugging symbols. */
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strip_some, /* keep_hash is the list of symbols to keep. */
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strip_all /* Strip all symbols. */
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};
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/* Which local symbols to discard during a link. This is irrelevant
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if strip_all is used. */
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enum bfd_link_discard
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{
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2001-04-13 02:34:36 +02:00
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discard_sec_merge, /* Discard local temporary symbols in SEC_MERGE
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sections. */
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1999-05-03 09:29:11 +02:00
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discard_none, /* Don't discard any locals. */
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discard_l, /* Discard local temporary symbols. */
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discard_all /* Discard all locals. */
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};
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2001-08-24 18:36:04 +02:00
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/* Describes the type of hash table entry structure being used.
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Different hash table structure have different fields and so
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support different linking features. */
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enum bfd_link_hash_table_type
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{
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bfd_link_generic_hash_table,
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bfd_link_elf_hash_table
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};
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1999-05-03 09:29:11 +02:00
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/* These are the possible types of an entry in the BFD link hash
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table. */
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enum bfd_link_hash_type
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{
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bfd_link_hash_new, /* Symbol is new. */
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bfd_link_hash_undefined, /* Symbol seen before, but undefined. */
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bfd_link_hash_undefweak, /* Symbol is weak and undefined. */
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bfd_link_hash_defined, /* Symbol is defined. */
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bfd_link_hash_defweak, /* Symbol is weak and defined. */
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bfd_link_hash_common, /* Symbol is common. */
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bfd_link_hash_indirect, /* Symbol is an indirect link. */
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bfd_link_hash_warning /* Like indirect, but warn if referenced. */
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};
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2002-07-31 14:50:09 +02:00
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enum bfd_link_common_skip_ar_aymbols
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{
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bfd_link_common_skip_none,
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bfd_link_common_skip_text,
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bfd_link_common_skip_data,
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bfd_link_common_skip_all
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};
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1999-05-03 09:29:11 +02:00
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/* The linking routines use a hash table which uses this structure for
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its elements. */
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struct bfd_link_hash_entry
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{
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/* Base hash table entry structure. */
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struct bfd_hash_entry root;
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2003-12-03 00:00:00 +01:00
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1999-05-03 09:29:11 +02:00
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/* Type of this entry. */
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enum bfd_link_hash_type type;
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/* Undefined and common symbols are kept in a linked list through
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this field. This field is not in the union because that would
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force us to remove entries from the list when we changed their
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type, which would force the list to be doubly linked, which would
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waste more memory. When an undefined or common symbol is
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created, it should be added to this list, the head of which is in
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the link hash table itself. As symbols are defined, they need
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not be removed from the list; anything which reads the list must
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doublecheck the symbol type.
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Weak symbols are not kept on this list.
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Defined and defweak symbols use this field as a reference marker.
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If the field is not NULL, or this structure is the tail of the
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undefined symbol list, the symbol has been referenced. If the
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symbol is undefined and becomes defined, this field will
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automatically be non-NULL since the symbol will have been on the
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undefined symbol list. */
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2003-12-03 00:00:00 +01:00
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struct bfd_link_hash_entry *und_next;
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1999-05-03 09:29:11 +02:00
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/* A union of information depending upon the type. */
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union
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{
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/* Nothing is kept for bfd_hash_new. */
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/* bfd_link_hash_undefined, bfd_link_hash_undefweak. */
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struct
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{
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bfd *abfd; /* BFD symbol was found in. */
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} undef;
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/* bfd_link_hash_defined, bfd_link_hash_defweak. */
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struct
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{
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bfd_vma value; /* Symbol value. */
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asection *section; /* Symbol section. */
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} def;
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/* bfd_link_hash_indirect, bfd_link_hash_warning. */
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struct
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{
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struct bfd_link_hash_entry *link; /* Real symbol. */
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const char *warning; /* Warning (bfd_link_hash_warning only). */
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} i;
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/* bfd_link_hash_common. */
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struct
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{
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/* The linker needs to know three things about common
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2002-11-30 09:39:46 +01:00
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symbols: the size, the alignment, and the section in
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which the symbol should be placed. We store the size
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here, and we allocate a small structure to hold the
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section and the alignment. The alignment is stored as a
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power of two. We don't store all the information
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directly because we don't want to increase the size of
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the union; this structure is a major space user in the
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linker. */
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1999-05-03 09:29:11 +02:00
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bfd_size_type size; /* Common symbol size. */
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struct bfd_link_hash_common_entry
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{
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unsigned int alignment_power; /* Alignment. */
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asection *section; /* Symbol section. */
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} *p;
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} c;
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} u;
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};
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/* This is the link hash table. It is a derived class of
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bfd_hash_table. */
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struct bfd_link_hash_table
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{
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/* The hash table itself. */
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struct bfd_hash_table table;
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/* The back end which created this hash table. This indicates the
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type of the entries in the hash table, which is sometimes
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important information when linking object files of different
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types together. */
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const bfd_target *creator;
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/* A linked list of undefined and common symbols, linked through the
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next field in the bfd_link_hash_entry structure. */
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struct bfd_link_hash_entry *undefs;
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/* Entries are added to the tail of the undefs list. */
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struct bfd_link_hash_entry *undefs_tail;
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2003-05-21 11:09:37 +02:00
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/* The type of the link hash table. */
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2001-08-24 18:36:04 +02:00
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enum bfd_link_hash_table_type type;
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1999-05-03 09:29:11 +02:00
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};
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2002-11-30 09:39:46 +01:00
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/* Look up an entry in a link hash table. If FOLLOW is TRUE, this
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1999-05-03 09:29:11 +02:00
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follows bfd_link_hash_indirect and bfd_link_hash_warning links to
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the real symbol. */
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extern struct bfd_link_hash_entry *bfd_link_hash_lookup
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2003-08-07 04:25:50 +02:00
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(struct bfd_link_hash_table *, const char *, bfd_boolean create,
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bfd_boolean copy, bfd_boolean follow);
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1999-05-03 09:29:11 +02:00
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/* Look up an entry in the main linker hash table if the symbol might
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be wrapped. This should only be used for references to an
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undefined symbol, not for definitions of a symbol. */
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extern struct bfd_link_hash_entry *bfd_wrapped_link_hash_lookup
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2003-08-07 04:25:50 +02:00
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(bfd *, struct bfd_link_info *, const char *, bfd_boolean,
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bfd_boolean, bfd_boolean);
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1999-05-03 09:29:11 +02:00
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/* Traverse a link hash table. */
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extern void bfd_link_hash_traverse
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2003-08-07 04:25:50 +02:00
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(struct bfd_link_hash_table *,
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bfd_boolean (*) (struct bfd_link_hash_entry *, void *),
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void *);
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1999-05-03 09:29:11 +02:00
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/* Add an entry to the undefs list. */
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extern void bfd_link_add_undef
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2003-08-07 04:25:50 +02:00
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(struct bfd_link_hash_table *, struct bfd_link_hash_entry *);
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2002-07-01 10:04:47 +02:00
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struct bfd_sym_chain
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{
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struct bfd_sym_chain *next;
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const char *name;
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};
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1999-05-03 09:29:11 +02:00
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2003-08-20 10:37:19 +02:00
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/* How to handle unresolved symbols.
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There are four possibilities which are enumerated below: */
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enum report_method
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{
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/* This is the initial value when then link_info structure is created.
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It allows the various stages of the linker to determine whether they
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allowed to set the value. */
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RM_NOT_YET_SET = 0,
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RM_IGNORE,
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RM_GENERATE_WARNING,
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RM_GENERATE_ERROR
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};
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1999-05-03 09:29:11 +02:00
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/* This structure holds all the information needed to communicate
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between BFD and the linker when doing a link. */
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struct bfd_link_info
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{
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2002-12-20 00:05:39 +01:00
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/* TRUE if BFD should generate a relocatable object file. */
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2003-06-25 08:40:27 +02:00
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unsigned int relocatable: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if BFD should generate relocation information in the final
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2002-07-01 10:04:47 +02:00
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executable. */
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2002-12-20 00:05:39 +01:00
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unsigned int emitrelocations: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if BFD should generate a "task linked" object file,
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2002-07-01 10:04:47 +02:00
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similar to relocatable but also with globals converted to
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statics. */
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2002-12-20 00:05:39 +01:00
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unsigned int task_link: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if BFD should generate a shared object. */
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2002-12-20 00:05:39 +01:00
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unsigned int shared: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if BFD should pre-bind symbols in a shared object. */
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2002-12-20 00:05:39 +01:00
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unsigned int symbolic: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if BFD should export all symbols in the dynamic symbol table
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2001-06-15 14:57:02 +02:00
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of an executable, rather than only those used. */
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2002-12-20 00:05:39 +01:00
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unsigned int export_dynamic: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if shared objects should be linked directly, not shared. */
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2002-12-20 00:05:39 +01:00
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unsigned int static_link: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if the output file should be in a traditional format. This
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1999-05-03 09:29:11 +02:00
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is equivalent to the setting of the BFD_TRADITIONAL_FORMAT flag
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on the output file, but may be checked when reading the input
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files. */
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2002-12-20 00:05:39 +01:00
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unsigned int traditional_format: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if we want to produced optimized output files. This might
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1999-05-03 09:29:11 +02:00
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need much more time and therefore must be explicitly selected. */
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2002-12-20 00:05:39 +01:00
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unsigned int optimize: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if ok to have multiple definition. */
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2002-12-20 00:05:39 +01:00
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unsigned int allow_multiple_definition: 1;
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2002-07-01 10:04:47 +02:00
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2002-11-30 09:39:46 +01:00
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/* TRUE if ok to have version with no definition. */
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2002-12-20 00:05:39 +01:00
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unsigned int allow_undefined_version: 1;
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/* TRUE if symbols should be retained in memory, FALSE if they
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should be freed and reread. */
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unsigned int keep_memory: 1;
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/* TRUE if every symbol should be reported back via the notice
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callback. */
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unsigned int notice_all: 1;
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/* TRUE if executable should not contain copy relocs.
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Setting this true may result in a non-sharable text segment. */
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unsigned int nocopyreloc: 1;
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/* TRUE if the new ELF dynamic tags are enabled. */
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unsigned int new_dtags: 1;
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/* TRUE if non-PLT relocs should be merged into one reloc section
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|
|
and sorted so that relocs against the same symbol come together. */
|
|
|
|
|
unsigned int combreloc: 1;
|
|
|
|
|
|
|
|
|
|
/* TRUE if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
|
|
|
|
|
should be created. */
|
|
|
|
|
unsigned int eh_frame_hdr: 1;
|
2002-08-08 05:50:18 +02:00
|
|
|
|
|
2002-12-23 12:53:12 +01:00
|
|
|
|
/* TRUE if global symbols in discarded sections should be stripped. */
|
|
|
|
|
unsigned int strip_discarded: 1;
|
|
|
|
|
|
2003-12-04 23:43:36 +01:00
|
|
|
|
/* TRUE if the final relax pass is needed. */
|
|
|
|
|
unsigned int need_relax_finalize: 1;
|
2003-04-29 03:53:46 +02:00
|
|
|
|
|
2003-05-30 17:50:12 +02:00
|
|
|
|
/* TRUE if generating a position independent executable. */
|
|
|
|
|
unsigned int pie: 1;
|
|
|
|
|
|
|
|
|
|
/* TRUE if generating an executable, position independent or not. */
|
|
|
|
|
unsigned int executable : 1;
|
|
|
|
|
|
2003-06-04 00:27:24 +02:00
|
|
|
|
/* TRUE if PT_GNU_STACK segment should be created with PF_R|PF_W|PF_X
|
|
|
|
|
flags. */
|
|
|
|
|
unsigned int execstack: 1;
|
|
|
|
|
|
|
|
|
|
/* TRUE if PT_GNU_STACK segment should be created with PF_R|PF_W
|
|
|
|
|
flags. */
|
|
|
|
|
unsigned int noexecstack: 1;
|
|
|
|
|
|
2004-05-11 19:08:38 +02:00
|
|
|
|
/* TRUE if PT_GNU_RELRO segment should be created. */
|
|
|
|
|
unsigned int relro: 1;
|
|
|
|
|
|
2003-08-20 10:37:19 +02:00
|
|
|
|
/* What to do with unresolved symbols in an object file.
|
2004-03-21 00:16:43 +01:00
|
|
|
|
When producing executables the default is GENERATE_ERROR.
|
|
|
|
|
When producing shared libraries the default is IGNORE. The
|
|
|
|
|
assumption with shared libraries is that the reference will be
|
2003-08-20 10:37:19 +02:00
|
|
|
|
resolved at load/execution time. */
|
|
|
|
|
enum report_method unresolved_syms_in_objects;
|
|
|
|
|
|
|
|
|
|
/* What to do with unresolved symbols in a shared library.
|
|
|
|
|
The same defaults apply. */
|
|
|
|
|
enum report_method unresolved_syms_in_shared_libs;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Which symbols to strip. */
|
|
|
|
|
enum bfd_link_strip strip;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Which local symbols to discard. */
|
|
|
|
|
enum bfd_link_discard discard;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
2002-12-20 00:05:39 +01:00
|
|
|
|
/* Criteria for skipping symbols when detemining
|
|
|
|
|
whether to include an object from an archive. */
|
|
|
|
|
enum bfd_link_common_skip_ar_aymbols common_skip_ar_aymbols;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
2004-03-22 23:58:04 +01:00
|
|
|
|
/* Char that may appear as the first char of a symbol, but should be
|
|
|
|
|
skipped (like symbol_leading_char) when looking up symbols in
|
|
|
|
|
wrap_hash. Used by PowerPC Linux for 'dot' symbols. */
|
|
|
|
|
char wrap_char;
|
|
|
|
|
|
2002-12-20 00:05:39 +01:00
|
|
|
|
/* Function callbacks. */
|
|
|
|
|
const struct bfd_link_callbacks *callbacks;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Hash table handled by BFD. */
|
|
|
|
|
struct bfd_link_hash_table *hash;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Hash table of symbols to keep. This is NULL unless strip is
|
|
|
|
|
strip_some. */
|
|
|
|
|
struct bfd_hash_table *keep_hash;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Hash table of symbols to report back via the notice callback. If
|
2002-11-30 09:39:46 +01:00
|
|
|
|
this is NULL, and notice_all is FALSE, then no symbols are
|
1999-05-03 09:29:11 +02:00
|
|
|
|
reported back. */
|
|
|
|
|
struct bfd_hash_table *notice_hash;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Hash table of symbols which are being wrapped (the --wrap linker
|
|
|
|
|
option). If this is NULL, no symbols are being wrapped. */
|
|
|
|
|
struct bfd_hash_table *wrap_hash;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
2002-12-20 00:05:39 +01:00
|
|
|
|
/* The list of input BFD's involved in the link. These are chained
|
|
|
|
|
together via the link_next field. */
|
|
|
|
|
bfd *input_bfds;
|
|
|
|
|
|
|
|
|
|
/* If a symbol should be created for each input BFD, this is section
|
|
|
|
|
where those symbols should be placed. It must be a section in
|
|
|
|
|
the output BFD. It may be NULL, in which case no such symbols
|
|
|
|
|
will be created. This is to support CREATE_OBJECT_SYMBOLS in the
|
|
|
|
|
linker command language. */
|
|
|
|
|
asection *create_object_symbols_section;
|
|
|
|
|
|
|
|
|
|
/* List of global symbol names that are starting points for marking
|
|
|
|
|
sections against garbage collection. */
|
|
|
|
|
struct bfd_sym_chain *gc_sym_list;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* If a base output file is wanted, then this points to it */
|
2003-08-07 04:25:50 +02:00
|
|
|
|
void *base_file;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
1999-06-23 13:03:45 +02:00
|
|
|
|
/* The function to call when the executable or shared object is
|
|
|
|
|
loaded. */
|
|
|
|
|
const char *init_function;
|
2002-07-01 10:04:47 +02:00
|
|
|
|
|
1999-06-23 13:03:45 +02:00
|
|
|
|
/* The function to call when the executable or shared object is
|
|
|
|
|
unloaded. */
|
|
|
|
|
const char *fini_function;
|
2000-07-20 05:23:03 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
/* Non-zero if auto-import thunks for DATA items in pei386 DLLs
|
2002-06-07 16:56:01 +02:00
|
|
|
|
should be generated/linked against. Set to 1 if this feature
|
|
|
|
|
is explicitly requested by the user, -1 if enabled by default. */
|
|
|
|
|
int pei386_auto_import;
|
2001-08-23 17:14:18 +02:00
|
|
|
|
|
2002-11-14 19:03:17 +01:00
|
|
|
|
/* Non-zero if runtime relocs for DATA items with non-zero addends
|
|
|
|
|
in pei386 DLLs should be generated. Set to 1 if this feature
|
|
|
|
|
is explicitly requested by the user, -1 if enabled by default. */
|
|
|
|
|
int pei386_runtime_pseudo_reloc;
|
|
|
|
|
|
2001-08-23 17:14:18 +02:00
|
|
|
|
/* How many spare .dynamic DT_NULL entries should be added? */
|
2001-08-25 11:48:13 +02:00
|
|
|
|
unsigned int spare_dynamic_tags;
|
2002-07-31 14:50:09 +02:00
|
|
|
|
|
2002-12-20 00:05:39 +01:00
|
|
|
|
/* May be used to set DT_FLAGS for ELF. */
|
|
|
|
|
bfd_vma flags;
|
|
|
|
|
|
|
|
|
|
/* May be used to set DT_FLAGS_1 for ELF. */
|
|
|
|
|
bfd_vma flags_1;
|
2004-05-11 19:08:38 +02:00
|
|
|
|
|
|
|
|
|
/* Start and end of RELRO region. */
|
|
|
|
|
bfd_vma relro_start, relro_end;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* This structures holds a set of callback functions. These are
|
|
|
|
|
called by the BFD linker routines. The first argument to each
|
|
|
|
|
callback function is the bfd_link_info structure being used. Each
|
2002-11-30 09:39:46 +01:00
|
|
|
|
function returns a boolean value. If the function returns FALSE,
|
1999-05-03 09:29:11 +02:00
|
|
|
|
then the BFD function which called it will return with a failure
|
|
|
|
|
indication. */
|
|
|
|
|
|
|
|
|
|
struct bfd_link_callbacks
|
|
|
|
|
{
|
|
|
|
|
/* A function which is called when an object is added from an
|
|
|
|
|
archive. ABFD is the archive element being added. NAME is the
|
|
|
|
|
name of the symbol which caused the archive element to be pulled
|
|
|
|
|
in. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*add_archive_element)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, bfd *abfd, const char *name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a symbol is found with multiple
|
|
|
|
|
definitions. NAME is the symbol which is defined multiple times.
|
|
|
|
|
OBFD is the old BFD, OSEC is the old section, OVAL is the old
|
|
|
|
|
value, NBFD is the new BFD, NSEC is the new section, and NVAL is
|
|
|
|
|
the new value. OBFD may be NULL. OSEC and NSEC may be
|
|
|
|
|
bfd_com_section or bfd_ind_section. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*multiple_definition)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *name,
|
|
|
|
|
bfd *obfd, asection *osec, bfd_vma oval,
|
|
|
|
|
bfd *nbfd, asection *nsec, bfd_vma nval);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a common symbol is defined
|
|
|
|
|
multiple times. NAME is the symbol appearing multiple times.
|
|
|
|
|
OBFD is the BFD of the existing symbol; it may be NULL if this is
|
|
|
|
|
not known. OTYPE is the type of the existing symbol, which may
|
|
|
|
|
be bfd_link_hash_defined, bfd_link_hash_defweak,
|
|
|
|
|
bfd_link_hash_common, or bfd_link_hash_indirect. If OTYPE is
|
|
|
|
|
bfd_link_hash_common, OSIZE is the size of the existing symbol.
|
|
|
|
|
NBFD is the BFD of the new symbol. NTYPE is the type of the new
|
|
|
|
|
symbol, one of bfd_link_hash_defined, bfd_link_hash_common, or
|
|
|
|
|
bfd_link_hash_indirect. If NTYPE is bfd_link_hash_common, NSIZE
|
|
|
|
|
is the size of the new symbol. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*multiple_common)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *name,
|
|
|
|
|
bfd *obfd, enum bfd_link_hash_type otype, bfd_vma osize,
|
|
|
|
|
bfd *nbfd, enum bfd_link_hash_type ntype, bfd_vma nsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called to add a symbol to a set. ENTRY is
|
|
|
|
|
the link hash table entry for the set itself (e.g.,
|
|
|
|
|
__CTOR_LIST__). RELOC is the relocation to use for an entry in
|
2003-06-25 08:40:27 +02:00
|
|
|
|
the set when generating a relocatable file, and is also used to
|
1999-05-03 09:29:11 +02:00
|
|
|
|
get the size of the entry when generating an executable file.
|
|
|
|
|
ABFD, SEC and VALUE identify the value to add to the set. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*add_to_set)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, struct bfd_link_hash_entry *entry,
|
|
|
|
|
bfd_reloc_code_real_type reloc, bfd *abfd, asection *sec, bfd_vma value);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when the name of a g++ constructor or
|
|
|
|
|
destructor is found. This is only called by some object file
|
2002-11-30 09:39:46 +01:00
|
|
|
|
formats. CONSTRUCTOR is TRUE for a constructor, FALSE for a
|
1999-05-03 09:29:11 +02:00
|
|
|
|
destructor. This will use BFD_RELOC_CTOR when generating a
|
2003-06-25 08:40:27 +02:00
|
|
|
|
relocatable file. NAME is the name of the symbol found. ABFD,
|
1999-05-03 09:29:11 +02:00
|
|
|
|
SECTION and VALUE are the value of the symbol. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*constructor)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, bfd_boolean constructor, const char *name,
|
|
|
|
|
bfd *abfd, asection *sec, bfd_vma value);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called to issue a linker warning. For
|
|
|
|
|
example, this is called when there is a reference to a warning
|
|
|
|
|
symbol. WARNING is the warning to be issued. SYMBOL is the name
|
|
|
|
|
of the symbol which triggered the warning; it may be NULL if
|
|
|
|
|
there is none. ABFD, SECTION and ADDRESS identify the location
|
|
|
|
|
which trigerred the warning; either ABFD or SECTION or both may
|
|
|
|
|
be NULL if the location is not known. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*warning)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *warning, const char *symbol,
|
|
|
|
|
bfd *abfd, asection *section, bfd_vma address);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a relocation is attempted against
|
|
|
|
|
an undefined symbol. NAME is the symbol which is undefined.
|
|
|
|
|
ABFD, SECTION and ADDRESS identify the location from which the
|
2000-03-01 20:38:01 +01:00
|
|
|
|
reference is made. FATAL indicates whether an undefined symbol is
|
|
|
|
|
a fatal error or not. In some cases SECTION may be NULL. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*undefined_symbol)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *name, bfd *abfd,
|
|
|
|
|
asection *section, bfd_vma address, bfd_boolean fatal);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a reloc overflow occurs. NAME is
|
|
|
|
|
the name of the symbol or section the reloc is against,
|
|
|
|
|
RELOC_NAME is the name of the relocation, and ADDEND is any
|
|
|
|
|
addend that is used. ABFD, SECTION and ADDRESS identify the
|
|
|
|
|
location at which the overflow occurs; if this is the result of a
|
|
|
|
|
bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
|
|
|
|
|
ABFD will be NULL. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*reloc_overflow)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *name, const char *reloc_name,
|
|
|
|
|
bfd_vma addend, bfd *abfd, asection *section, bfd_vma address);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a dangerous reloc is performed.
|
|
|
|
|
The canonical example is an a29k IHCONST reloc which does not
|
|
|
|
|
follow an IHIHALF reloc. MESSAGE is an appropriate message.
|
|
|
|
|
ABFD, SECTION and ADDRESS identify the location at which the
|
|
|
|
|
problem occurred; if this is the result of a
|
|
|
|
|
bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
|
|
|
|
|
ABFD will be NULL. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*reloc_dangerous)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *message,
|
|
|
|
|
bfd *abfd, asection *section, bfd_vma address);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a reloc is found to be attached
|
|
|
|
|
to a symbol which is not being written out. NAME is the name of
|
|
|
|
|
the symbol. ABFD, SECTION and ADDRESS identify the location of
|
|
|
|
|
the reloc; if this is the result of a
|
|
|
|
|
bfd_section_reloc_link_order or bfd_symbol_reloc_link_order, then
|
|
|
|
|
ABFD will be NULL. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*unattached_reloc)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *name,
|
|
|
|
|
bfd *abfd, asection *section, bfd_vma address);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* A function which is called when a symbol in notice_hash is
|
|
|
|
|
defined or referenced. NAME is the symbol. ABFD, SECTION and
|
|
|
|
|
ADDRESS are the value of the symbol. If SECTION is
|
|
|
|
|
bfd_und_section, this is a reference. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean (*notice)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(struct bfd_link_info *, const char *name,
|
|
|
|
|
bfd *abfd, asection *section, bfd_vma address);
|
2003-04-24 03:43:33 +02:00
|
|
|
|
/* A function which is called for reporting a linker error. ID is the
|
|
|
|
|
error identifier. The remaining input is the same as einfo () in
|
|
|
|
|
ld. */
|
|
|
|
|
bfd_boolean (*error_handler)
|
2003-08-07 04:25:50 +02:00
|
|
|
|
(int id, const char *fmt, ...);
|
2003-06-03 20:15:05 +02:00
|
|
|
|
|
|
|
|
|
/* Identifiers of linker error messages used by error_handler. */
|
|
|
|
|
#define LD_DEFINITION_IN_DISCARDED_SECTION 1
|
1999-05-03 09:29:11 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* The linker builds link_order structures which tell the code how to
|
|
|
|
|
include input data in the output file. */
|
|
|
|
|
|
|
|
|
|
/* These are the types of link_order structures. */
|
|
|
|
|
|
|
|
|
|
enum bfd_link_order_type
|
|
|
|
|
{
|
|
|
|
|
bfd_undefined_link_order, /* Undefined. */
|
|
|
|
|
bfd_indirect_link_order, /* Built from a section. */
|
|
|
|
|
bfd_data_link_order, /* Set to explicit data. */
|
|
|
|
|
bfd_section_reloc_link_order, /* Relocate against a section. */
|
|
|
|
|
bfd_symbol_reloc_link_order /* Relocate against a symbol. */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* This is the link_order structure itself. These form a chain
|
|
|
|
|
attached to the section whose contents they are describing. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
struct bfd_link_order
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
/* Next link_order in chain. */
|
|
|
|
|
struct bfd_link_order *next;
|
|
|
|
|
/* Type of link_order. */
|
|
|
|
|
enum bfd_link_order_type type;
|
|
|
|
|
/* Offset within output section. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_vma offset;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Size within output section. */
|
|
|
|
|
bfd_size_type size;
|
|
|
|
|
/* Type specific information. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
union
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
struct
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
/* Section to include. If this is used, then
|
|
|
|
|
section->output_section must be the section the
|
|
|
|
|
link_order is attached to, section->output_offset must
|
bfd/
* section.c (struct sec): Rename "_cooked_size" to "size".
Rename "_raw_size" to "rawsize".
(STD_SECTION): Adjust comments.
(bfd_set_section_size, bfd_get_section_contents): Use size.
(bfd_malloc_and_get_section): New function.
* bfd-in.h (bfd_section_size, bfd_get_section_size): Use size.
* coff-sh.c (sh_relax_section): Alloc coff_section_data struct early.
Correctly free reloc and contents memory.
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Delete FIXME
and fake CIE now that we can shink section size to zero.
(_bfd_elf_write_section_eh_frame): Likewise..
* elf32-ppc.c (ppc_elf_relax_section): Delay reading section contents.
* elf-m10300.c (mn10300_elf_final_link_relocate): Don't use
_bfd_stab_section_offset. Use _bfd_elf_section_offset.
* stabs.c (_bfd_stab_section_offset_): Remove unused args and
unneeded indirection.
* elf.c (_bfd_elf_section_offset): .. and update call.
* libbfd-in.h (_bfd_stab_section_offset): Update prototype.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
Replace occurrences of "_raw_size" and "_cooked_size" in most places
with "size". Set new "rawsize" for stabs, eh_frame, and SEC_MERGE
sections. Use "rawsize", if non-zero, for bfd_get_section_contents
calls if the section might be a stabs, eh_frame, or SEC_MERGE section.
Similarly use "rawsize", if non-zero, in reloc functions to validate
reloc addresses. Use new bfd_malloc_and_get_section in most places
where bfd_get_section_contents was called. Expand all occurrences of
bfd_section_size and bfd_get_section_size. Rename "raw_size" var in
grok_prstatus and similar functions to "size".
* aix386-core.c (aix386_core_file_p): ..
* aix5ppc-core.c (xcoff64_core_p): ..
* aout-adobe.c (aout_adobe_callback, aout_adobe_write_object_contents,
aout_adobe_set_section_contents): ..
* aout-target.h (callback): ..
* aout-tic30.c (tic30_aout_callback, tic30_aout_final_link_relocate,
MY_bfd_final_link): ..
* aoutf1.h (sunos4_core_file_p): ..
* aoutx.h (some_aout_object_p, adjust_o_magic, adjust_z_magic,
adjust_n_magic, adjust_sizes_and_vmas, translate_from_native_sym_flags,
final_link, aout_link_input_section): ..
* binary.c (binary_object_p, binary_canonicalize_symtab,
binary_set_section_contents): ..
* bout.c (b_out_callback, b_out_write_object_contents,
b_out_set_section_contents, b_out_bfd_relax_section,
b_out_bfd_get_relocated_section_contents): ..
* cisco-core.c (cisco_core_file_validate): ..
* coff-alpha.c (alpha_ecoff_object_p,
alpha_ecoff_get_relocated_section_conten, alpha_relocate_section): ..
* coff-arm.c (coff_arm_relocate_section,
bfd_arm_allocate_interworking_sections): ..
* coff-h8300.c (h8300_reloc16_extra_cases,
h8300_bfd_link_add_symbols): ..
* coff-mips.c (mips_refhi_reloc, mips_gprel_reloc): ..
* coff-ppc.c (coff_ppc_relocate_section, ppc_allocate_toc_section,
ppc_bfd_coff_final_link): ..
* coff-rs6000.c (xcoff_reloc_type_br, xcoff_ppc_relocate_section): ..
* coff-sh.c (sh_relax_section, sh_relax_delete_bytes,
sh_align_loads, sh_coff_get_relocated_section_contents): ..
* coff64-rs6000.c (xcoff64_write_object_contents,
xcoff64_reloc_type_br, xcoff64_ppc_relocate_section): ..
* coffcode.h (coff_compute_section_file_positions,
coff_write_object_contents): ..
* coffgen.c (make_a_section_from_file, coff_write_symbols,
coff_section_symbol, build_debug_section): ..
* cofflink.c (coff_link_add_symbols, _bfd_coff_final_link,
process_embedded_commands, _bfd_coff_link_input_bfd,
_bfd_coff_write_global_sym): ..
* cpu-arm.c (bfd_arm_update_notes, bfd_arm_get_mach_from_notes): ..
* cpu-ns32k.c (do_ns32k_reloc, _bfd_ns32k_final_link_relocate): ..
* dwarf1.c (parse_line_table, _bfd_dwarf1_find_nearest_line): ..
* dwarf2.c (read_indirect_string, read_abbrevs, decode_line_info,
_bfd_dwarf2_find_nearest_line): ..
* ecoff.c (bfd_debug_section, ecoff_set_symbol_info,
ecoff_compute_section_file_positions,
_bfd_ecoff_write_object_contents, ecoff_indirect_link_order): ..
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame,
_bfd_elf_discard_section_eh_frame_hdr,
_bfd_elf_maybe_strip_eh_frame_hdr, _bfd_elf_eh_frame_section_offset,
_bfd_elf_write_section_eh_frame,
_bfd_elf_write_section_eh_frame_hdr): ..
* elf-hppa.h (elf_hppa_sort_unwind): ..
* elf-m10200.c (mn10200_elf_relax_section,
mn10200_elf_relax_delete_bytes,
mn10200_elf_get_relocated_section_contents): ..
* elf-m10300.c (_bfd_mn10300_elf_create_got_section,
mn10300_elf_check_relocs, mn10300_elf_relax_section,
mn10300_elf_relax_delete_bytes,
mn10300_elf_get_relocated_section_contents,
_bfd_mn10300_elf_adjust_dynamic_symbol,
_bfd_mn10300_elf_discard_copies,
_bfd_mn10300_elf_size_dynamic_sections,
_bfd_mn10300_elf_finish_dynamic_sections): ..
* elf.c (_bfd_elf_print_private_bfd_data, bfd_elf_get_bfd_needed_list,
_bfd_elf_make_section_from_phdr, elf_fake_sections,
bfd_elf_set_group_contents, map_sections_to_segments,
elf_sort_sections, assign_file_positions_for_segments,
SECTION_SIZE, copy_private_bfd_data,
_bfd_elf_get_dynamic_reloc_upper_bound,
_bfd_elf_canonicalize_dynamic_reloc, elfcore_maybe_make_sect,
_bfd_elfcore_make_pseudosection, elfcore_grok_prstatus,
elfcore_grok_lwpstatus, elfcore_grok_win32pstatus,
elfcore_grok_note, elfcore_grok_nto_status, elfcore_grok_nto_gregs,
_bfd_elf_rel_local_sym, _bfd_elf_get_synthetic_symtab): ..
* elf32-arm.h (bfd_elf32_arm_allocate_interworking_sect,
bfd_elf32_arm_process_before_allocation,
elf32_arm_adjust_dynamic_symbol, allocate_dynrelocs,
elf32_arm_size_dynamic_sections, elf32_arm_finish_dynamic_sections,
elf32_arm_write_section): ..
* elf32-cris.c (cris_elf_grok_prstatus,
elf_cris_finish_dynamic_sections, cris_elf_gc_sweep_hook,
elf_cris_adjust_gotplt_to_got, elf_cris_adjust_dynamic_symbol,
cris_elf_check_relocs, elf_cris_size_dynamic_sections,
elf_cris_discard_excess_dso_dynamics,
elf_cris_discard_excess_program_dynamics): ..
* elf32-d30v.c (bfd_elf_d30v_reloc, bfd_elf_d30v_reloc_21): ..
* elf32-dlx.c (_bfd_dlx_elf_hi16_reloc): ..
* elf32-frv.c (_frvfdpic_add_dyn_reloc, _frvfdpic_add_rofixup,
_frv_create_got_section, _frvfdpic_assign_plt_entries,
elf32_frvfdpic_size_dynamic_sections,
elf32_frvfdpic_modify_segment_map,
elf32_frvfdpic_finish_dynamic_sections): ..
* elf32-h8300.c (elf32_h8_relax_section, elf32_h8_relax_delete_bytes,
elf32_h8_get_relocated_section_contents): ..
* elf32-hppa.c (hppa_build_one_stub, hppa_size_one_stub,
elf32_hppa_adjust_dynamic_symbol, allocate_plt_static,
allocate_dynrelocs, elf32_hppa_size_dynamic_sections, group_sections,
elf32_hppa_size_stubs, elf32_hppa_set_gp, elf32_hppa_build_stubs,
elf32_hppa_finish_dynamic_sections): ..
* elf32-i370.c (i370_elf_adjust_dynamic_symbol,
i370_elf_size_dynamic_sections, i370_elf_check_relocs,
i370_elf_finish_dynamic_sections): ..
* elf32-i386.c (elf_i386_grok_prstatus, elf_i386_adjust_dynamic_symbol,
allocate_dynrelocs, elf_i386_size_dynamic_sections,
elf_i386_relocate_section, elf_i386_finish_dynamic_sections): ..
* elf32-i860.c (i860_howto_pc26_reloc, i860_howto_pc16_reloc,
i860_howto_highadj_reloc, i860_howto_splitn_reloc): ..
* elf32-ip2k.c (ip2k_is_switch_table_128,
ip2k_relax_switch_table_128, ip2k_is_switch_table_256,
ip2k_relax_switch_table_256, ip2k_elf_relax_section,
adjust_all_relocations, ip2k_elf_relax_delete_bytes): ..
* elf32-m32r.c (m32r_elf_do_10_pcrel_reloc, m32r_elf_hi16_reloc,
m32r_elf_generic_reloc, m32r_elf_adjust_dynamic_symbol,
allocate_dynrelocs, m32r_elf_size_dynamic_sections,
m32r_elf_relocate_section, m32r_elf_finish_dynamic_sections,
m32r_elf_relax_section, m32r_elf_relax_delete_bytes,
m32r_elf_get_relocated_section_contents): ..
* elf32-m68hc11.c (m68hc11_elf_build_one_stub,
m68hc11_elf_size_one_stub, m68hc11_elf_relax_section,
m68hc11_elf_relax_delete_bytes): ..
* elf32-m68hc12.c (m68hc12_elf_build_one_stub,
m68hc12_elf_size_one_stub): ..
* elf32-m68hc1x.c (elf32_m68hc11_size_stubs,
elf32_m68hc11_build_stubs, m68hc11_elf_special_reloc): ..
* elf32-m68k.c (elf_m68k_check_relocs, elf_m68k_gc_sweep_hook,
elf_m68k_adjust_dynamic_symbol, elf_m68k_size_dynamic_sections,
elf_m68k_discard_copies, elf_m68k_finish_dynamic_sections): ..
* elf32-mips.c (gprel32_with_gp, mips16_gprel_reloc,
elf32_mips_grok_prstatus): ..
* elf32-or32.c (or32_elf_consth_reloc): ..
* elf32-ppc.c (ppc_elf_relax_section, ppc_elf_addr16_ha_reloc,
elf_create_pointer_linker_section, ppc_elf_create_linker_section,
ppc_elf_additional_program_headers, ppc_elf_adjust_dynamic_symbol,
allocate_dynrelocs, ppc_elf_size_dynamic_sections,
ppc_elf_finish_dynamic_sections, ppc_elf_grok_prstatus,
ppc_elf_final_write_processing): ..
* elf32-s390.c (s390_elf_ldisp_reloc, elf_s390_adjust_dynamic_symbol,
allocate_dynrelocs, elf_s390_size_dynamic_sections,
elf_s390_finish_dynamic_sections, elf_s390_grok_prstatus): ..
* elf32-sh.c (sh_elf_reloc_loop, sh_elf_relax_section,
sh_elf_relax_delete_bytes, sh_elf_align_loads,
sh_elf_adjust_dynamic_symbol, allocate_dynrelocs,
sh_elf_size_dynamic_sections, sh_elf_get_relocated_section_contents,
sh_elf_finish_dynamic_sections, elf32_shlin_grok_prstatus): ..
* elf32-sh64-com.c (sh64_address_in_cranges,
sh64_get_contents_type): ..
* elf32-sh64.c (sh64_find_section_for_address,
sh64_elf_final_write_processing): ..
* elf32-sparc.c (sparc_elf_wdisp16_reloc, sparc_elf_hix22_reloc,
sparc_elf_lox10_reloc, elf32_sparc_adjust_dynamic_symbol,
allocate_dynrelocs, elf32_sparc_size_dynamic_sections,
elf32_sparc_relocate_section, elf32_sparc_finish_dynamic_sections): ..
* elf32-v850.c (v850_elf_reloc, v850_elf_relax_section): ..
* elf32-vax.c (elf_vax_check_relocs, elf_vax_adjust_dynamic_symbol,
elf_vax_size_dynamic_sections, elf_vax_discard_copies,
elf_vax_instantiate_got_entries, elf_vax_relocate_section,
elf_vax_finish_dynamic_sections): ..
* elf32-xstormy16.c (xstormy16_elf_24_reloc,
xstormy16_elf_check_relocs, xstormy16_relax_plt_check,
xstormy16_elf_relax_section, xstormy16_elf_always_size_sections,
xstormy16_elf_finish_dynamic_sections): ..
* elf32-xtensa.c (xtensa_read_table_entries,
elf_xtensa_allocate_got_size, elf_xtensa_allocate_local_got_size,
elf_xtensa_size_dynamic_sections, elf_xtensa_do_reloc,
bfd_elf_xtensa_reloc, elf_xtensa_relocate_section,
elf_xtensa_combine_prop_entries, elf_xtensa_finish_dynamic_sections,
elf_xtensa_discard_info_for_section, elf_xtensa_grok_prstatus,
get_relocation_opcode, retrieve_contents, find_relaxable_sections,
collect_source_relocs, is_resolvable_asm_expansion, remove_literals,
relax_section, shrink_dynamic_reloc_sections, relax_property_section,
xtensa_callback_required_dependence): ..
* elf64-alpha.c (elf64_alpha_reloc_gpdisp, elf64_alpha_relax_section,
elf64_alpha_check_relocs, elf64_alpha_adjust_dynamic_symbol,
elf64_alpha_calc_got_offsets_for_symbol, elf64_alpha_calc_got_offsets,
elf64_alpha_size_plt_section, elf64_alpha_size_plt_section_1,
elf64_alpha_always_size_sections, elf64_alpha_calc_dynrel_sizes,
elf64_alpha_size_rela_got_section, elf64_alpha_size_rela_got_1,
elf64_alpha_size_dynamic_sections, elf64_alpha_emit_dynrel,
elf64_alpha_finish_dynamic_sections, elf64_alpha_final_link): ..
* elf64-hppa.c (allocate_dynrel_entries,
elf64_hppa_size_dynamic_sections,
elf64_hppa_finish_dynamic_sections): ..
* elf64-mips.c (mips_elf64_gprel32_reloc, mips16_gprel_reloc,
mips_elf64_canonicalize_dynamic_reloc, mips_elf64_slurp_reloc_table,
elf64_mips_grok_prstatus): ..
* elf64-mmix.c (mmix_elf_perform_relocation, mmix_elf_reloc,
mmix_elf_relocate_section, mmix_elf_final_link,
mmix_set_relaxable_size, _bfd_mmix_after_linker_allocation,
mmix_elf_relax_section, mmix_elf_get_section_contents): ..
* elf64-ppc.c (ppc64_elf_object_p, ppc64_elf_grok_prstatus,
ppc64_elf_check_relocs, ppc64_elf_func_desc_adjust,
ppc64_elf_adjust_dynamic_symbol, ppc64_elf_edit_opd,
allocate_dynrelocs, ppc64_elf_size_dynamic_sections,
ppc_build_one_stub, ppc_size_one_stub, ppc64_elf_next_toc_section,
toc_adjusting_stub_needed, group_sections, ppc64_elf_size_stubs,
ppc64_elf_build_stubs, ppc64_elf_relocate_section,
ppc64_elf_finish_dynamic_sections): ..
* elf64-s390.c (s390_elf_ldisp_reloc, elf_s390_adjust_dynamic_symbol,
allocate_dynrelocs, elf_s390_size_dynamic_sections,
elf_s390_finish_dynamic_sections): ..
* elf64-sh64.c (sh_elf64_get_relocated_section_contents,
sh_elf64_check_relocs, sh64_elf64_adjust_dynamic_symbol,
sh64_elf64_discard_copies, sh64_elf64_size_dynamic_sections,
sh64_elf64_finish_dynamic_sections): ..
* elf64-sparc.c (sparc64_elf_slurp_reloc_table, init_insn_reloc,
sparc64_elf_check_relocs, sparc64_elf_adjust_dynamic_symbol,
sparc64_elf_size_dynamic_sections, sparc64_elf_relocate_section,
sparc64_elf_finish_dynamic_symbol,
sparc64_elf_finish_dynamic_sections): ..
* elf64-x86-64.c (elf64_x86_64_grok_prstatus,
elf64_x86_64_adjust_dynamic_symbol, allocate_dynrelocs,
elf64_x86_64_size_dynamic_sections, elf64_x86_64_relocate_section,
elf64_x86_64_finish_dynamic_sections): ..
* elfarm-nabi.c (elf32_arm_nabi_grok_prstatus): ..
* elfcode.h (elf_slurp_reloc_table): ..
* elflink.c (_bfd_elf_create_got_section, elf_add_dt_needed_tag,
elf_finalize_dynstr, elf_link_add_object_symbols,
bfd_elf_size_dynamic_sections, elf_link_sort_relocs,
elf_link_input_bfd, bfd_elf_final_link, bfd_elf_discard_info): ..
* elfn32-mips.c (gprel32_with_gp, mips16_gprel_reloc,
elf32_mips_grok_prstatus): ..
* elfxx-ia64.c (elfNN_ia64_relax_section, allocate_dynrel_entries,
elfNN_ia64_size_dynamic_sections, elfNN_ia64_install_dyn_reloc,
elfNN_ia64_choose_gp, elfNN_ia64_final_link,
elfNN_ia64_finish_dynamic_sections): ..
* elfxx-mips.c (mips_elf_create_procedure_table,
mips_elf_check_mips16_stubs, _bfd_mips_elf_gprel16_with_gp,
_bfd_mips_elf_hi16_reloc, _bfd_mips_elf_generic_reloc,
mips_elf_global_got_index, mips_elf_multi_got,
mips_elf_create_compact_rel_section, mips_elf_calculate_relocation,
mips_elf_allocate_dynamic_relocations,
mips_elf_create_dynamic_relocation, _bfd_mips_elf_fake_sections,
_bfd_mips_relax_section, _bfd_mips_elf_adjust_dynamic_symbol,
_bfd_mips_elf_always_size_sections,
_bfd_mips_elf_size_dynamic_sections,
_bfd_mips_elf_finish_dynamic_symbol,
_bfd_mips_elf_finish_dynamic_sections,
_bfd_mips_elf_modify_segment_map, _bfd_mips_elf_discard_info,
_bfd_mips_elf_write_section, _bfd_mips_elf_set_section_contents,
_bfd_elf_mips_get_relocated_section_contents,
_bfd_mips_elf_final_link, _bfd_mips_elf_merge_private_bfd_data): ..
* hp300hpux.c (callback): ..
* hppabsd-core.c (make_bfd_asection): ..
* hpux-core.c (make_bfd_asection): ..
* i386linux.c (linux_link_create_dynamic_sections,
bfd_i386linux_size_dynamic_sections, linux_finish_dynamic_link): ..
* i386msdos.c (msdos_write_object_contents): ..
* i386os9k.c (os9k_callback, os9k_write_object_contents,
os9k_set_section_contents): ..
* ieee.c (parse_expression, ieee_slurp_external_symbols,
ieee_slurp_sections, ieee_slurp_debug, ieee_slurp_section_data,
ieee_write_section_part, do_with_relocs, do_as_repeat,
do_without_relocs, ieee_write_debug_part, init_for_output,
ieee_set_section_contents): ..
* ihex.c (ihex_scan, ihex_read_section, ihex_get_section_contents): ..
* irix-core.c (do_sections, make_bfd_asection): ..
* libaout.h (aout_section_merge_with_text_p): ..
* libbfd.c (_bfd_generic_get_section_contents,
_bfd_generic_get_section_contents_in_window): ..
* linker.c (default_indirect_link_order): ..
* lynx-core.c (make_bfd_asection): ..
* m68klinux.c (linux_link_create_dynamic_sections,
bfd_m68klinux_size_dynamic_sections, linux_finish_dynamic_link): ..
* mach-o.c (bfd_mach_o_make_bfd_section,
bfd_mach_o_scan_read_dylinker, bfd_mach_o_scan_read_dylib,
bfd_mach_o_scan_read_thread, bfd_mach_o_scan_read_symtab,
bfd_mach_o_scan_read_segment): ..
* merge.c (_bfd_add_merge_section, record_section, merge_strings,
_bfd_merge_sections): ..
* mmo.c (mmo_find_sec_w_addr, mmo_get_spec_section, mmo_get_loc,
mmo_map_set_sizes, mmo_canonicalize_symtab,
mmo_internal_write_section, mmo_write_object_contents): ..
* netbsd-core.c (netbsd_core_file_p): ..
* nlm32-alpha.c (nlm_alpha_read_reloc, nlm_alpha_write_import,
nlm_alpha_set_public_section): ..
* nlm32-ppc.c (nlm_powerpc_read_reloc, nlm_powerpc_write_reloc): ..
* nlm32-sparc.c (nlm_sparc_write_import): ..
* nlmcode.h (add_bfd_section, nlm_swap_auxiliary_headers_in,
nlm_compute_section_file_positions): ..
* oasys.c (oasys_object_p, oasys_slurp_section_data,
oasys_write_sections, oasys_write_data, oasys_set_section_contents): ..
* opncls.c (get_debug_link_info): ..
* osf-core.c (make_bfd_asection): ..
* pdp11.c (some_aout_object_p, adjust_o_magic, adjust_z_magic,
adjust_n_magic, adjust_sizes_and_vmas, squirt_out_relocs,
final_link, aout_link_input_section): ..
* peXXigen.c (_bfd_XXi_swap_sym_in, _bfd_XXi_swap_aouthdr_out,
pe_print_idata, pe_print_edata, pe_print_pdata, pe_print_reloc): ..
* pef.c (bfd_pef_make_bfd_section, bfd_pef_print_loader_section,
bfd_pef_scan_start_address, bfd_pef_parse_symbols): ..
* ppcboot.c (ppcboot_object_p, ppcboot_canonicalize_symtab): ..
* ptrace-core.c (ptrace_unix_core_file_p): ..
* reloc.c (bfd_perform_relocation, bfd_install_relocation,
_bfd_final_link_relocate, bfd_generic_relax_section,
bfd_generic_get_relocated_section_contents): ..
* reloc16.c (bfd_coff_reloc16_relax_section,
bfd_coff_reloc16_get_relocated_section_c): ..
* riscix.c (riscix_some_aout_object_p): ..
* rs6000-core.c (read_hdr, make_bfd_asection): ..
* sco5-core.c (make_bfd_asection): ..
* simple.c (bfd_simple_get_relocated_section_contents): ..
* som.c (som_object_setup, setup_sections, som_prep_headers,
som_write_fixups, som_begin_writing, bfd_section_from_som_symbol,
som_set_reloc_info, som_get_section_contents,
som_bfd_link_split_section): ..
* sparclinux.c (linux_link_create_dynamic_sections,
bfd_sparclinux_size_dynamic_sections, linux_finish_dynamic_link): ..
* srec.c (srec_scan, srec_read_section, srec_get_section_contents): ..
* stabs.c (_bfd_link_section_stabs, _bfd_discard_section_stabs,
_bfd_write_stab_strings, _bfd_stab_section_offset): ..
* sunos.c (sunos_read_dynamic_info, sunos_create_dynamic_sections,
bfd_sunos_size_dynamic_sections, sunos_scan_std_relocs,
sunos_scan_ext_relocs, sunos_scan_dynamic_symbol,
sunos_write_dynamic_symbol, sunos_check_dynamic_reloc,
sunos_finish_dynamic_link): ..
* syms.c (_bfd_stab_section_find_nearest_line): ..
* tekhex.c (first_phase, tekhex_set_section_contents,
tekhex_write_object_contents): ..
* trad-core.c (trad_unix_core_file_p): ..
* versados.c (process_esd, process_otr, process_otr): ..
* vms-gsd.c (_bfd_vms_slurp_gsd, _bfd_vms_write_gsd): ..
* vms-misc.c (add_new_contents): ..
* vms-tir.c (check_section, new_section, _bfd_vms_write_tir): ..
* vms.c (vms_set_section_contents): ..
* xcofflink.c (xcoff_get_section_contents, xcoff_link_add_symbols,
xcoff_sweep, bfd_xcoff_size_dynamic_sections, xcoff_build_ldsyms,
_bfd_xcoff_bfd_final_link, xcoff_link_input_bfd): ..
* xsym.c (bfd_sym_scan): .. See above.
binutils/
* objcopy.c (copy_section): Don't set _cooked_size.
include/
* bfdlink.h (struct bfd_link_order): Update comment.
ld/
* ldlang.c (print_output_section_statement): Don't print size before
relaxation.
(IGNORE_SECTION): Remove bfd arg. Update all callers.
* ldexp.c (fold_name): .. See below.
* ldlang.c (section_already_linked, print_output_section_statement,
print_input_section, insert_pad, size_input_section,
lang_check_section_addresses, lang_size_sections_1,
lang_size_sections, lang_do_assignments_1, lang_set_startof,
lang_one_common, lang_reset_memory_regions, lang_process,
lang_abs_symbol_at_end_of, lang_do_version_exports_section): ..
* ldwrite.c (build_link_order, clone_section, ds, split_sections): ..
* pe-dll.c (process_def_file, generate_reloc): ..
* emultempl/elf32.em (gld${EMULATION_NAME}_find_statement_assignment,
gld${EMULATION_NAME}_before_allocation): ..
* emultempl/mmix-elfnmmo.em (mmix_after_allocation): ..
* emultempl/sh64elf.em (sh64_elf_${EMULATION_NAME}_before_allocation,
sh64_elf_${EMULATION_NAME}_after_allocation): ..
* emultempl/sunos.em (gld${EMULATION_NAME}_before_allocation): ..
* emultempl/xtensaelf.em (ld_assign_relative_paged_dot,
ld_local_file_relocations_fit, ld_xtensa_insert_page_offsets): Use
"size" instead of "_raw_size" and "_cooked_size". Expand
bfd_section_size macro invocations.
2004-06-24 06:46:28 +02:00
|
|
|
|
equal the link_order offset field, and section->size
|
1999-05-03 09:29:11 +02:00
|
|
|
|
must equal the link_order size field. Maybe these
|
|
|
|
|
restrictions should be relaxed someday. */
|
|
|
|
|
asection *section;
|
|
|
|
|
} indirect;
|
|
|
|
|
struct
|
|
|
|
|
{
|
2002-02-15 03:10:03 +01:00
|
|
|
|
/* Size of contents, or zero when contents size == size
|
|
|
|
|
within output section.
|
|
|
|
|
A non-zero value allows filling of the output section
|
|
|
|
|
with an arbitrary repeated pattern. */
|
|
|
|
|
unsigned int size;
|
|
|
|
|
/* Data to put into file. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
bfd_byte *contents;
|
|
|
|
|
} data;
|
|
|
|
|
struct
|
|
|
|
|
{
|
|
|
|
|
/* Description of reloc to generate. Used for
|
|
|
|
|
bfd_section_reloc_link_order and
|
|
|
|
|
bfd_symbol_reloc_link_order. */
|
|
|
|
|
struct bfd_link_order_reloc *p;
|
|
|
|
|
} reloc;
|
|
|
|
|
} u;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* A linker order of type bfd_section_reloc_link_order or
|
|
|
|
|
bfd_symbol_reloc_link_order means to create a reloc against a
|
|
|
|
|
section or symbol, respectively. This is used to implement -Ur to
|
|
|
|
|
generate relocs for the constructor tables. The
|
|
|
|
|
bfd_link_order_reloc structure describes the reloc that BFD should
|
|
|
|
|
create. It is similar to a arelent, but I didn't use arelent
|
|
|
|
|
because the linker does not know anything about most symbols, and
|
|
|
|
|
any asymbol structure it creates will be partially meaningless.
|
|
|
|
|
This information could logically be in the bfd_link_order struct,
|
|
|
|
|
but I didn't want to waste the space since these types of relocs
|
|
|
|
|
are relatively rare. */
|
|
|
|
|
|
|
|
|
|
struct bfd_link_order_reloc
|
|
|
|
|
{
|
|
|
|
|
/* Reloc type. */
|
|
|
|
|
bfd_reloc_code_real_type reloc;
|
|
|
|
|
|
|
|
|
|
union
|
|
|
|
|
{
|
|
|
|
|
/* For type bfd_section_reloc_link_order, this is the section
|
|
|
|
|
the reloc should be against. This must be a section in the
|
|
|
|
|
output BFD, not any of the input BFDs. */
|
|
|
|
|
asection *section;
|
|
|
|
|
/* For type bfd_symbol_reloc_link_order, this is the name of the
|
|
|
|
|
symbol the reloc should be against. */
|
|
|
|
|
const char *name;
|
|
|
|
|
} u;
|
|
|
|
|
|
|
|
|
|
/* Addend to use. The object file should contain zero. The BFD
|
|
|
|
|
backend is responsible for filling in the contents of the object
|
|
|
|
|
file correctly. For some object file formats (e.g., COFF) the
|
|
|
|
|
addend must be stored into in the object file, and for some
|
|
|
|
|
(e.g., SPARC a.out) it is kept in the reloc. */
|
|
|
|
|
bfd_vma addend;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Allocate a new link_order for a section. */
|
2003-08-07 04:25:50 +02:00
|
|
|
|
extern struct bfd_link_order *bfd_new_link_order (bfd *, asection *);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* These structures are used to describe version information for the
|
|
|
|
|
ELF linker. These structures could be manipulated entirely inside
|
|
|
|
|
BFD, but it would be a pain. Instead, the regular linker sets up
|
|
|
|
|
these structures, and then passes them into BFD. */
|
|
|
|
|
|
2003-10-22 08:58:17 +02:00
|
|
|
|
/* Glob pattern for a version. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
struct bfd_elf_version_expr
|
|
|
|
|
{
|
2003-10-22 08:58:17 +02:00
|
|
|
|
/* Next glob pattern for this version. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
struct bfd_elf_version_expr *next;
|
2003-10-22 08:58:17 +02:00
|
|
|
|
/* Glob pattern. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
const char *pattern;
|
2003-10-24 16:55:14 +02:00
|
|
|
|
/* NULL for a glob pattern, otherwise a straight symbol. */
|
|
|
|
|
const char *symbol;
|
2002-08-08 05:50:18 +02:00
|
|
|
|
/* Defined by ".symver". */
|
2003-10-22 08:58:17 +02:00
|
|
|
|
unsigned int symver : 1;
|
2002-08-08 05:50:18 +02:00
|
|
|
|
/* Defined by version script. */
|
|
|
|
|
unsigned int script : 1;
|
2003-10-22 08:58:17 +02:00
|
|
|
|
/* Pattern type. */
|
|
|
|
|
#define BFD_ELF_VERSION_C_TYPE 1
|
|
|
|
|
#define BFD_ELF_VERSION_CXX_TYPE 2
|
|
|
|
|
#define BFD_ELF_VERSION_JAVA_TYPE 4
|
|
|
|
|
unsigned int mask : 3;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct bfd_elf_version_expr_head
|
|
|
|
|
{
|
|
|
|
|
/* List of all patterns, both wildcards and non-wildcards. */
|
|
|
|
|
struct bfd_elf_version_expr *list;
|
|
|
|
|
/* Hash table for non-wildcards. */
|
|
|
|
|
void *htab;
|
|
|
|
|
/* Remaining patterns. */
|
|
|
|
|
struct bfd_elf_version_expr *remaining;
|
|
|
|
|
/* What kind of pattern types are present in list (bitmask). */
|
|
|
|
|
unsigned int mask;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Version dependencies. */
|
|
|
|
|
|
|
|
|
|
struct bfd_elf_version_deps
|
|
|
|
|
{
|
|
|
|
|
/* Next dependency for this version. */
|
|
|
|
|
struct bfd_elf_version_deps *next;
|
|
|
|
|
/* The version which this version depends upon. */
|
|
|
|
|
struct bfd_elf_version_tree *version_needed;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* A node in the version tree. */
|
|
|
|
|
|
|
|
|
|
struct bfd_elf_version_tree
|
|
|
|
|
{
|
|
|
|
|
/* Next version. */
|
|
|
|
|
struct bfd_elf_version_tree *next;
|
|
|
|
|
/* Name of this version. */
|
|
|
|
|
const char *name;
|
|
|
|
|
/* Version number. */
|
|
|
|
|
unsigned int vernum;
|
|
|
|
|
/* Regular expressions for global symbols in this version. */
|
2003-10-22 08:58:17 +02:00
|
|
|
|
struct bfd_elf_version_expr_head globals;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Regular expressions for local symbols in this version. */
|
2003-10-22 08:58:17 +02:00
|
|
|
|
struct bfd_elf_version_expr_head locals;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* List of versions which this version depends upon. */
|
|
|
|
|
struct bfd_elf_version_deps *deps;
|
|
|
|
|
/* Index of the version name. This is used within BFD. */
|
|
|
|
|
unsigned int name_indx;
|
|
|
|
|
/* Whether this version tree was used. This is used within BFD. */
|
|
|
|
|
int used;
|
2003-10-22 08:58:17 +02:00
|
|
|
|
/* Matching hook. */
|
|
|
|
|
struct bfd_elf_version_expr *(*match)
|
|
|
|
|
(struct bfd_elf_version_expr_head *head,
|
|
|
|
|
struct bfd_elf_version_expr *prev, const char *sym);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif
|