/*
* 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
/** @}
*/