| /* genlink.h -- interface to the BFD generic linker |
| Copyright (C) 1993-2024 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 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 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. */ |
| bool 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 a 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 a generic link hash table. */ |
| |
| #define _bfd_generic_link_hash_traverse(table, func, info) \ |
| (bfd_link_hash_traverse \ |
| (&(table)->root, \ |
| (bool (*) (struct bfd_link_hash_entry *, void *)) (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 bool _bfd_generic_link_output_symbols |
| (bfd *, bfd *, struct bfd_link_info *, size_t *); |
| |
| /* 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 bool _bfd_generic_link_write_global_symbol |
| (struct generic_link_hash_entry *, void *); |
| |
| /* Generic link hash table entry creation routine. */ |
| struct bfd_hash_entry *_bfd_generic_link_hash_newfunc |
| (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
| |
| #endif |