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authorJoseph Myers <joseph@codesourcery.com>2013-12-17 18:12:52 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-12-17 18:12:52 +0000
commit2fc6557eb89af08a6ca1129cd3cd9ddc62925e8b (patch)
tree4522428febcd382ff43467f6992b558752a8d7d6 /sysdeps/unix/bsd/i386/vfork.S
parent029c7b2599263f5a59c742f3c4970c5934fa5b96 (diff)
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Remove various unused files from sysdeps/unix/bsd/.
Diffstat (limited to 'sysdeps/unix/bsd/i386/vfork.S')
-rw-r--r--sysdeps/unix/bsd/i386/vfork.S39
1 files changed, 0 insertions, 39 deletions
diff --git a/sysdeps/unix/bsd/i386/vfork.S b/sysdeps/unix/bsd/i386/vfork.S
deleted file mode 100644
index 69cbeedb99..0000000000
--- a/sysdeps/unix/bsd/i386/vfork.S
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Copyright (C) 1993-2013 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>
-
-/* Since vfork shares the address space between the parent and child,
-   we must take care to avoid the child unwinding the stack frame and
-   clobbering it for the parent.  */
-
-.text
-ENTRY (__vfork)
-	popl scratch		/* Save the return PC in a register.  */
-	DO_CALL (vfork, 0)	/* Do the system call.  */
-	pushl scratch		/* Put the return PC back on the stack.  */
-	jb syscall_error	/* Branch if error.  */
-	/* R1 is now 0 for the parent and 1 for the child.  Decrement it to
-	   make it -1 (all bits set) for the parent, and 0 (no bits set)
-	   for the child.  Then AND it with R0, so the parent gets
-	   R0&-1==R0, and the child gets R0&0==0.  */
-	decl r1
-	andl r1, r0
-	ret
-libc_hidden_def (__vfork)
-
-weak_alias (__vfork, vfork)