diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/ia64')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/fork.S (renamed from sysdeps/unix/sysv/linux/ia64/fork.c) | 34 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/vfork.S | 43 |
2 files changed, 63 insertions, 14 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/fork.c b/sysdeps/unix/sysv/linux/ia64/fork.S index c63e994622..404f3535fc 100644 --- a/sysdeps/unix/sysv/linux/ia64/fork.c +++ b/sysdeps/unix/sysv/linux/ia64/fork.S @@ -1,7 +1,4 @@ -/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>, - December 1995. +/* Copyright (C) 2000 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as @@ -18,17 +15,26 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <unistd.h> -#include <asm/signal.h> -extern int __clone (int (*fn)(void *), void *ksp, unsigned long int flags, - void *arg); +#include <sysdep.h> +#define _SIGNAL_H +#include <bits/signum.h> -int -__libc_fork (void) -{ - return __clone (NULL, NULL, SIGCHLD, 0); -} +/* pid_t fork(void); */ +/* Implemented as a clone system call with parameters SIGCHLD and 0 */ + +ENTRY(__libc_fork) + alloc r2=ar.pfs,0,0,2,0 + mov out0=SIGCHLD /* Return SIGCHLD when child finishes */ + /* no other clone flags; nothing shared */ + mov out1=0 /* Standard sp value. */ + ;; + DO_CALL (SYS_ify (clone)) + cmp.eq p6,p0=-1,r10 + ;; +(p6) br.cond.spnt.few __syscall_error + ret +PSEUDO_END(__libc_fork) -weak_alias (__libc_fork, fork) weak_alias (__libc_fork, __fork) +weak_alias (__libc_fork, fork) diff --git a/sysdeps/unix/sysv/linux/ia64/vfork.S b/sysdeps/unix/sysv/linux/ia64/vfork.S new file mode 100644 index 0000000000..e873c784ba --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/vfork.S @@ -0,0 +1,43 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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> + +/* 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) + alloc r2=ar.pfs,0,0,2,0 + mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD + mov out1=0 /* Standard sp value. */ + ;; + DO_CALL (SYS_ify (clone)) + cmp.eq p6,p0=-1,r10 + ;; +(p6) br.cond.spnt.few __syscall_error + ret +PSEUDO_END(__vfork) + +weak_alias (__vfork, vfork) |