1 files changed, 78 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
new file mode 100644
index 0000000000..ee6254a950
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -0,0 +1,78 @@
+/* Copyright (C) 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 _ERRNO_H	1
+#include <bits/errno.h>
+#include <kernel-features.h>
+
+/* Clone the calling process, but without copying the whole address space.
+   The calling process is suspended until the new process exits or is
+   replaced by a call to `execve'.  Return -1 for errors, 0 to the new process,
+   and the process ID of the new process to the old process.  */
+
+ENTRY (__vfork)
+
+#ifdef __NR_vfork
+# ifdef SHARED
+	mflr	9
+	bl	_GLOBAL_OFFSET_TABLE_@local-4
+	mflr	10
+	mtlr	9
+	lwz	10,__libc_pthread_functions@got(10)
+	lwz	10,0(10)
+# else
+	.weak	pthread_create
+	lis	10,pthread_create@ha
+	la	10,pthread_create@l(10)
+# endif
+
+	cmpwi	10,0
+	bne-	.Lhidden_fork
+
+	DO_CALL (SYS_ify (vfork));
+
+# ifdef __ASSUME_VFORK_SYSCALL
+	PSEUDO_RET
+# else
+	bnslr+
+	/* Check if vfork syscall is known at all.  */
+	cmpwi	r3,ENOSYS
+	bne-	.Lsyscall_error
+
+# endif
+
+.Lhidden_fork:
+	b	HIDDEN_JUMPTARGET(__fork)
+
+#endif
+
+#ifndef __ASSUME_VFORK_SYSCALL
+	/* If we don't have vfork, fork is close enough.  */
+
+	DO_CALL (SYS_ify (fork));
+	bnslr+
+
+.Lsyscall_error:
+	b	JUMPTARGET(__syscall_error)
+#endif
+
+PSEUDO_END (__vfork)
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)