0,0 → 1,96 |
/* |
* 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 generic |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef DYNAMIC_H_ |
#define DYNAMIC_H_ |
|
#include <bool.h> |
#include <elf_dyn.h> |
|
/** |
* Holds the data extracted from an ELF Dynamic section. |
* |
* The data is already pre-processed: Pointers are adjusted |
* to their final run-time values by adding the load bias |
* and indices into the symbol table are converted to pointers. |
*/ |
typedef struct { |
/** Type of relocations used for the PLT, either DT_REL or DT_RELA */ |
int plt_rel; |
|
/** Relocation table without explicit addends */ |
void *rel; |
size_t rel_sz; |
size_t rel_ent; |
|
/** Relocation table with explicit addends */ |
void *rela; |
size_t rela_sz; |
size_t rela_ent; |
|
/** PLT relocation table */ |
void *jmp_rel; |
size_t plt_rel_sz; |
|
/** Pointer to PLT/GOT (processor-specific) */ |
void *plt_got; |
|
/** Hash table */ |
void *hash; |
|
/** String table */ |
char *str_tab; |
size_t str_sz; |
|
/** Symbol table */ |
void *sym_tab; |
size_t sym_ent; |
|
void *init; /**< Module initialization code */ |
void *fini; /**< Module cleanup code */ |
|
char *soname; /**< Library identifier */ |
char *rpath; /**< Library search path list */ |
|
bool symbolic; |
bool text_rel; |
bool bind_now; |
} dyn_info_t; |
|
void dynamic_parse(elf_dyn_t *dyn_ptr, size_t bias, dyn_info_t *info); |
|
#endif |
|
/** @} |
*/ |