/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <sysdep.h>#define _SIGNAL_H#include <bits/signum.h>#include <tcb-offsets.h>/* The following are defined in linux/sched.h, which unfortunately	*//* is not safe for inclusion in an assembly file.			*/#define CLONE_VM        0x00000100      /* set if VM shared between processes */#define CLONE_VFORK     0x00004000      /* set if the parent wants the child to wake it up on mm_release *//* pid_t vfork(void); *//* Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0)	*/ENTRY(__vfork)	.prologue	// work around a GAS bug which triggers if	.body		// first .prologue is not at the beginning of proc.	alloc r2=ar.pfs,0,0,2,0	adds r14=PID,r13	;;	ld4 r16=[r14]	;;	sub r15=0,r16	cmp.eq p6,p0=0,r16	;;(p6)	movl r15=0x80000000	mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD	mov out1=0		/* Standard sp value.			*/	;;	st4 [r14]=r15	DO_CALL (SYS_ify (clone))	cmp.eq p6,p0=0,r8	adds r14=PID,r13(p6)	br.cond.dptk 1f	;;	ld4 r15=[r14]	;;	extr.u r16=r15,0,31	;;	cmp.eq p0,p6=0,r16	;;(p6)	sub r16=0,r15	;;	st4 [r14]=r161:	cmp.eq p6,p0=-1,r10(p6)	br.cond.spnt.few __syscall_error	retPSEUDO_END(__vfork)libc_hidden_def (__vfork)weak_alias (__vfork, vfork)