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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
commite64ac02c24b43659048622714afdc92fedf561fa (patch)
tree37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/unix/sysv/linux/ia64/vfork.S
parenta20c2b3c87aebc7d4b090c622d36480263b80042 (diff)
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Move all files into ports/ subdirectory in preparation for merge with glibcglibc-2.16-ports-before-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/ia64/vfork.S')
-rw-r--r--ports/sysdeps/unix/sysv/linux/ia64/vfork.S43
1 files changed, 43 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/vfork.S b/ports/sysdeps/unix/sysv/linux/ia64/vfork.S
new file mode 100644
index 0000000000..16c763dc4b
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/ia64/vfork.S
@@ -0,0 +1,43 @@
+/* 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, see
+ <http://www.gnu.org/licenses/>. */
+
+
+#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)