/* * Copyright (c) 2008 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libc * @{ */ /** @file */ #ifndef _LIBC_TYPES_RTLD_MODULE_H_ #define _LIBC_TYPES_RTLD_MODULE_H_ #include <adt/list.h> #include <stddef.h> typedef enum { /** Do not export symbols to global namespace */ mlf_local = 0x1 } mlflags_t; /** Dynamically linked module */ typedef struct module { /** Module ID */ unsigned long id; /** Dynamic info for this module */ dyn_info_t dyn; /** Load bias */ size_t bias; /** tdata image start */ void *tdata; /** tdata image size */ size_t tdata_size; /** tbss size */ size_t tbss_size; /** TLS alignment */ size_t tls_align; /** Offset of this module's TLS from the thread pointer. */ ptrdiff_t tpoff; /** Containing rtld */ struct rtld *rtld; /** Array of pointers to directly dependent modules */ struct module **deps; /** Number of fields in deps */ size_t n_deps; /** True iff relocations have already been processed in this module. */ bool relocated; /** Link to list of all modules in runtime environment */ link_t modules_link; /** Link to list of initial modules */ link_t imodules_link; /** Link to BFS queue. Only used when doing a BFS of the module graph */ link_t queue_link; /** Tag for modules already processed during a BFS */ bool bfs_tag; /** If @c true, does not export symbols to global namespace */ bool local; /** This is the dynamically linked executable */ bool exec; } module_t; #endif /** @} */