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2999 svoboda 1
/*
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 * Copyright (c) 2008 Jiri Svoboda
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup generic
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 * @{
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 */
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/** @file
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 */
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#ifndef MODULE_H_
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#define MODULE_H_
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#include <sys/types.h>
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#include <dynamic.h>
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#include <adt/list.h>
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typedef struct module {
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    dyn_info_t dyn;
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    size_t bias;
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    /** Array of pointers to directly dependent modules */
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    struct module **deps;
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    /** Number of fields in deps */
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    size_t n_deps;
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    /** True iff relocations have already been processed in this module. */
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    bool relocated;
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    /** Link to list of all modules in runtime environment */
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    link_t modules_link;
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    /** Link to BFS queue. Only used when doing a BFS of the module graph */
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    link_t queue_link;
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    /** Tag for modules already processed during a BFS */
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    bool bfs_tag;
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} module_t;
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void module_process_relocs(module_t *m);
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module_t *module_find(char *name);
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module_t *module_load(char *name);
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void module_load_deps(module_t *m);
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void modules_process_relocs(module_t *start);
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void modules_untag(void);
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#endif
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/** @}
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 */