diff options
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/ia64')
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h | 4 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S | 49 |
2 files changed, 51 insertions, 2 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h index ec787da31c..ec9451775d 100644 --- a/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h +++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. @@ -105,7 +105,7 @@ __syscall_error_##args: \ p_header.data.multiple_threads) == 0, 1) # else # define SINGLE_THREAD_P \ - adds r14 = MULTIPLE_THREADS_OFFSET, r13 ;; ld4 r14 = [r14] ;; cmp4.ne p6, p7 = 0, r14 ;; + adds r14 = MULTIPLE_THREADS_OFFSET, r13 ;; ld4 r14 = [r14] ;; cmp4.ne p6, p7 = 0, r14 # endif #elif !defined __ASSEMBLER__ diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S new file mode 100644 index 0000000000..78c26228f7 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2000, 2002, 2003 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-cancel.h> +#define _SIGNAL_H +#include <bits/signum.h> + +#define JUMPTARGET(name) name + +/* 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) + SINGLE_THREAD_P +(p6) br.cond.spnt.few HIDDEN_JUMPTARGET (__fork);; + 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) +libc_hidden_def (__vfork) + +weak_alias (__vfork, vfork) |