zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/vax/clone.S b/ap/build/uClibc/libc/sysdeps/linux/vax/clone.S
new file mode 100644
index 0000000..086adc6
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/vax/clone.S
@@ -0,0 +1,85 @@
+/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* clone() is even more special than fork() as it mucks with stacks
+ and invokes a function in the right context after its all over. */
+
+#include <sys/syscall.h>
+
+#warning "This file contains a hardcoded constant for SYS_clone"
+
+.section .rodata
+ .align 2
+.LC0: .long 120 /* SYS_clone */
+.align 4
+.text
+.type clone,@function
+.globl clone;
+clone:
+ .word 0x0040
+ /* subl2 $8, %sp */
+ movl 4(%ap), %r1
+ movl 8(%ap), %r0
+ mcoml $21, %r6
+
+ /* Sanity check args. */
+ tstl %r1
+ jeql CLONE_ERROR_LABEL
+ tstl %r0
+ jeql CLONE_ERROR_LABEL
+
+ /* Need to setup the child stack the same as the parent. */
+ subl2 $24, %r0
+ movl 16(%ap), 20(%r0)
+ movl %r1, 16(%r0)
+ movl %r0, %r1
+ addl2 $16, %r1
+ movl %r1, 12(%r0)
+
+ /* Do the system call. */
+ pushl %ap
+ pushl %r0
+ pushl 12(%ap)
+ pushl $0x2
+ movl %sp, %ap
+ chmk .LC0 /* %r0 .LC0 -4(%fp) -8(%fp) */
+ addl2 $12, %sp
+ movl (%sp)+, %ap
+ movl %r0, %r6
+ jneq CLONE_ERROR_LABEL
+
+ movl $0, %fp
+ pushl 4(%ap)
+ movl (%r1), %r0
+ calls $1, (%r0)
+ pushl %r0
+ calls $1, HIDDEN_JUMPTARGET(_exit)
+
+CLONE_ERROR_LABEL:
+ cmpl %r6, $-126 /* -ENOKEY?!?! Fuck, this must be wrong! FIXME */
+ jlequ CLONE_RETURN_LABEL
+ calls $0, __errno_location
+ mnegl %r6, (%r0)
+ mcoml $0, %r6
+ movl %r6, %r0
+ ret
+
+CLONE_RETURN_LABEL:
+ ret
+
+.size clone,.-clone
+