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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);
}
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