19ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes/* 25386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert * Copyright (C) 2013 The Android Open Source Project 39ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * All rights reserved. 49ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * 59ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * Redistribution and use in source and binary forms, with or without 69ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * modification, are permitted provided that the following conditions 79ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * are met: 89ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * * Redistributions of source code must retain the above copyright 99ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * notice, this list of conditions and the following disclaimer. 109ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * * Redistributions in binary form must reproduce the above copyright 119ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * notice, this list of conditions and the following disclaimer in 129ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * the documentation and/or other materials provided with the 139ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * distribution. 149ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * 159ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 169ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 179ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 189ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 199ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 209ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 219ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 229ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 239ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 249ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 259ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 269ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes * SUCH DAMAGE. 279ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes */ 289ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes 295386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert#include <private/bionic_asm.h> 305386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert#include <asm/signal.h> 315386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert#include <linux/sched.h> 329ea4d5f3a852a03b5a2c5676da148a2779821518Elliott Hughes 335386a741e77bfff4e72ca6861fdd3fe2208452ceDan AlbertENTRY(vfork) 345386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert mov x0, #(CLONE_VM | CLONE_VFORK | SIGCHLD) 355386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert mov x1, xzr 365386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert mov x2, xzr 375386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert mov x3, xzr 385386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert mov x4, xzr 395386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert 405386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert mov x8, __NR_clone 415386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert svc #0 425386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert 435386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert cmn x0, #(MAX_ERRNO + 1) 445386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert cneg x0, x0, hi 457efad83d430f4d824f2aaa75edea5106f6ff8aaeElliott Hughes b.hi __set_errno_internal 465386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert 475386a741e77bfff4e72ca6861fdd3fe2208452ceDan Albert ret 485386a741e77bfff4e72ca6861fdd3fe2208452ceDan AlbertEND(vfork) 49