1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28#include <asm/unistd.h> 29 30.text 31.type _exit_with_stack_teardown, @function 32.globl _exit_with_stack_teardown 33.align 4 34 35# void _exit_with_stack_teardown(void * stackBase, int stackSize, int retCode) 36 37_exit_with_stack_teardown: 38 mov r6, r8 /* save retCode : breaks r8 value */ 39 mov.l 0f, r3 /* system call number */ 40 trapa #(2 + 0x10) /* invoke system call with num of args */ 41 42 mov r8, r4 /* restore retCode */ 43 mov.l 1f, r3 /* system call number */ 44 trapa #(1 + 0x10) /* invoke system call with num of args */ 45 46 /* exit() should never return, cause a crash if it does */ 47 mov #0, r0 48 mov.l @r0, r0 49 50 .align 2 510: .long __NR_munmap 521: .long __NR_exit 53