| 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 |
| |
| /** @} |
| */ |