(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 91 insertions, 0 deletions

diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
new file mode 100644
index 0000000000..b408e31b7b
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
@@ -0,0 +1,91 @@
+/* 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.  */
+
+#ifdef SHARED
+	.section	".toc","aw"
+.LC0:
+	.tc __libc_pthread_functions[TC],__libc_pthread_functions
+	.section	".text"
+	.align 2
+#endif
+
+ENTRY (__vfork)
+
+#ifdef __NR_vfork
+
+# ifdef SHARED
+  ld  10,.LC0@toc(2)
+  ld  10,0(10)
+  cmpwi  10,0
+  bne-  HIDDEN_JUMPTARGET(__fork)
+# else
+  .weak  pthread_create
+	lis  10,pthread_create@highest
+	ori  10,10,pthread_create@higher
+  sldi 10,10,32
+  oris 10,10,pthread_create@h
+  ori  10,10,pthread_create@l
+  cmpwi  10,0
+  bne-  .Lhidden_fork
+# endif
+
+	DO_CALL (SYS_ify (vfork));
+
+# ifdef __ASSUME_VFORK_SYSCALL
+  PSEUDO_RET
+# else
+  bnslr+
+  /* Check if vfork syscall is known at all.  */
+  cmpdi	r3,ENOSYS
+# ifdef SHARED
+  bne	JUMPTARGET(__syscall_error)
+# else
+  bne-  .Lsyscall_error
+# endif
+
+# endif
+#endif
+
+#ifndef __ASSUME_VFORK_SYSCALL
+	/* If we don't have vfork, fork is close enough.  */
+
+	DO_CALL (SYS_ify (fork));
+	PSEUDO_RET
+#endif
+
+# ifndef SHARED
+.Lhidden_fork:
+	b	HIDDEN_JUMPTARGET(__fork)
+.Lsyscall_error:
+	b	JUMPTARGET(__syscall_error)
+# endif
+
+PSEUDO_END (__vfork)
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)