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/* * This file contains the helper routines to run init and fini functions. * * Copyright (C) 2000-2006 by Erik Andersen <andersen@codepoet.org> * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald, * David Engel, Hongjiu Lu and Mitch D'Souza * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the above contributors may not be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``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 CONTRIBUTORS 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. */ #include "ldso.h" static void _dl_run_array_forward(unsigned long array, unsigned long size, DL_LOADADDR_TYPE loadaddr) { if (array != 0) { unsigned int j; unsigned int jm; ElfW(Addr) *addrs; jm = size / sizeof (ElfW(Addr)); addrs = (ElfW(Addr) *) DL_RELOC_ADDR(loadaddr, array); for (j = 0; j < jm; ++j) { void (*dl_elf_func) (void); dl_elf_func = (void (*)(void)) (intptr_t) addrs[j]; DL_CALL_FUNC_AT_ADDR (dl_elf_func, loadaddr, (void (*)(void))); } } } void _dl_run_init_array(struct elf_resolve *tpnt); void _dl_run_init_array(struct elf_resolve *tpnt) { _dl_run_array_forward(tpnt->dynamic_info[DT_INIT_ARRAY], tpnt->dynamic_info[DT_INIT_ARRAYSZ], tpnt->loadaddr); } void _dl_app_init_array(void); void _dl_app_init_array(void) { _dl_run_init_array(_dl_loaded_modules); } void _dl_run_fini_array(struct elf_resolve *tpnt); void _dl_run_fini_array(struct elf_resolve *tpnt) { if (tpnt->dynamic_info[DT_FINI_ARRAY]) { ElfW(Addr) *array = (ElfW(Addr) *) DL_RELOC_ADDR(tpnt->loadaddr, tpnt->dynamic_info[DT_FINI_ARRAY]); unsigned int i = (tpnt->dynamic_info[DT_FINI_ARRAYSZ] / sizeof(ElfW(Addr))); while (i-- > 0) { void (*dl_elf_func) (void); dl_elf_func = (void (*)(void)) (intptr_t) array[i]; DL_CALL_FUNC_AT_ADDR (dl_elf_func, tpnt->loadaddr, (void (*)(void))); } } } void _dl_app_fini_array(void); void _dl_app_fini_array(void) { _dl_run_fini_array(_dl_loaded_modules); } |