/* * Copyright (C) 2013 The Android Open Source Project * 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. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 * COPYRIGHT OWNER OR 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 "../../bionic/libc_init_common.h" #include #include __attribute__ ((section (".preinit_array"))) void (*__PREINIT_ARRAY__)(void) = (void (*)(void)) -1; __attribute__ ((section (".init_array"))) void (*__INIT_ARRAY__)(void) = (void (*)(void)) -1; __attribute__ ((section (".fini_array"))) void (*__FINI_ARRAY__)(void) = (void (*)(void)) -1; __LIBC_HIDDEN__ void do_mips_start(void *raw_args) { structors_array_t array; array.preinit_array = &__PREINIT_ARRAY__; array.init_array = &__INIT_ARRAY__; array.fini_array = &__FINI_ARRAY__; __libc_init(raw_args, NULL, &main, &array); } /* * This function prepares the return address with a branch-and-link * instruction (bal) and then uses a .cpload to compute the Global * Offset Table (GOT) pointer ($gp). The $gp is then used to load * the address of _do_start() into $t9 just before calling it. * Terminating the stack with a NULL return address. */ __asm__ ( " .set push \n" " \n" " .text \n" " .align 4 \n" " .type __start,@function \n" " .globl __start \n" " .globl _start \n" " \n" " .ent __start \n" "__start: \n" " _start: \n" " .frame $sp,32,$ra \n" " .mask 0x80000000,-4 \n" " \n" " .set noreorder \n" " bal 1f \n" " nop \n" "1: \n" " .cpload $ra \n" " .set reorder \n" " \n" " move $a0, $sp \n" " addiu $sp, $sp, (-32) \n" " sw $0, 28($sp) \n" " la $t9, do_mips_start \n" " jalr $t9 \n" " \n" "2: b 2b \n" " .end __start \n" " \n" " .set pop \n" ); #include "../../arch-common/bionic/__dso_handle.h" #include "../../arch-common/bionic/atexit.h"