| 0,0 → 1,85 |
|---|
| /* |
| * 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 rtld rtld |
| * @brief |
| * @{ |
| */ |
| /** |
| * @file |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <dlfcn.h> |
| |
| /* From librtld. */ |
| #include <module.h> |
| #include <symbol.h> |
| |
| void *dlopen(const char *path, int flag) |
| { |
| module_t *m; |
| |
| printf("dlopen(\"%s\", %d)\n", path, flag); |
| |
| printf("module_find('%s')\n", path); |
| m = module_find(path); |
| if (m == NULL) { |
| printf("NULL. module_load('%s')\n", path); |
| m = module_load(path); |
| printf("module_load_deps(m)\n"); |
| module_load_deps(m); |
| } else { |
| printf("not NULL\n"); |
| } |
| |
| return (void *) m; |
| } |
| |
| /* |
| * @note Symbols with NULL values are not accounted for. |
| * @note Symbol search scope is not correct. Should only |
| * look in @a mod and its dependencies. |
| */ |
| void *dlsym(void *mod, const char *sym_name) |
| { |
| elf_symbol_t *sd; |
| module_t *sm; |
| |
| printf("dlsym(0x%lx, \"%s\")\n", (long)mod, sym_name); |
| sd = symbol_def_find(sym_name, (module_t *) mod, &sm); |
| if (sd != NULL) { |
| return symbol_get_addr(sd, sm); |
| } |
| |
| return NULL; |
| } |
| |
| /** @} |
| */ |