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/*
* Copyright (C) 2008 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 <private/bionic_asm.h>
#include <linux/sched.h>
// TODO: mips' uapi signal.h is missing #ifndef __ASSEMBLY__.
// #include <asm/signal.h>
#define SIGCHLD 18
.text
#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
FRAMESZ = MKFSIZ(5,0)
#else
FRAMESZ = MKFSIZ(0,0)
#endif
LEAF(vfork,FRAMESZ)
#if FRAMESZ!=0
PTR_SUBU sp, FRAMESZ
#endif
SETUP_GP64(a5, vfork)
LI a0, (CLONE_VM | CLONE_VFORK | SIGCHLD)
move a1, $0
move a2, $0
move a3, $0
#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
REG_S $0, 4*REGSZ(sp)
#else
move a4, $0
#endif
LI v0, __NR_clone
syscall
#if FRAMESZ!=0
PTR_ADDU sp,FRAMESZ
#endif
move a0, v0
bnez a3, 1f
RESTORE_GP64
j ra
1:
LA t9,__set_errno_internal
RESTORE_GP64
j t9
END(vfork)
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