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authorMike Frysinger <vapier@gentoo.org>2006-02-04 01:20:54 +0000
committerMike Frysinger <vapier@gentoo.org>2006-02-04 01:20:54 +0000
commitc429bf3057c87dd9545fc2d824b5930c52f7dfb8 (patch)
treef207534c6a7a16795f8e7a099c1b48180e9db94f /libc/sysdeps/linux/ia64/vfork.S
parent798669dc65077f81b6facd2415463a1bda13c4d7 (diff)
import files from glibc for an ia64/static port
Diffstat (limited to 'libc/sysdeps/linux/ia64/vfork.S')
-rw-r--r--libc/sysdeps/linux/ia64/vfork.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/ia64/vfork.S b/libc/sysdeps/linux/ia64/vfork.S
new file mode 100644
index 000000000..ab29f6287
--- /dev/null
+++ b/libc/sysdeps/linux/ia64/vfork.S
@@ -0,0 +1,44 @@
+/* Copyright (C) 2000, 2002 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>
+
+/* 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_VIA_BREAK (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)