2013-07-09 Sabrina Ni <sabrina@andestech.com>

        * configure.in: Add nds32 subdir.
        * configure: Regenerated.
        * nds32/configure.in: New.
        * nds32/configure: New (autogenerated).
        * nds32/{crt0.S,crt1.S}: New.
        * nds32/Makefile.in: New.
        * nds32/{syscall_argvlen.S,syscall_argv.S,
        syscall_chdirS, syscall_chmod.S,
        syscall_close.S,syscall_exit.S,syscall_extra.h, syscall_fstat.S,
        syscall_getpid.S,syscall_gettimeofday.S,syscall_isatty.S,syscall_kill.S,
        syscall_link.S,syscall_lseek.S,syscall_open.S,syscall_read.S,
        syscall_rename.S,syscall_sbrk.S,syscall_stat.S,syscall_system.S,
        syscall_time.S,syscall_times.S,syscall_unlink.S,syscall_utime.S,
        syscall_write.S}: New.

1 files changed, 53 insertions, 0 deletions

diff --git a/libgloss/nds32/syscall_chdir.S b/libgloss/nds32/syscall_chdir.S
new file mode 100644
index 000000000..5309e2b9b
--- /dev/null
+++ b/libgloss/nds32/syscall_chdir.S
@@ -0,0 +1,53 @@
+/*
+Copyright (c) 2013 Andes Technology Corporation.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+    Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+    The name of the company may not be used to endorse or promote
+    products derived from this software without specific prior written
+    permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED.  IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#include "../syscall.h"
+#include "syscall_extra.h"
+
+
+	.extern	errno
+
+	.section .text
+	.global	_chdir
+	.type	_chdir, @function
+	.align 2
+_chdir:
+	/* Make syscall 'SYS_chdir'.
+	   Reture value '-1' stored in $r0 means there is something wrong.
+	   If there is something wrong, make syscall 'SYS_geterr' to get
+	   error code to see what exactly happens and store it in errno  .  */
+	syscall	SYS_chdir
+	addi	$r1, $r0, 1
+	bnez	$r1, .Ldone
+	syscall	SYS_geterr
+	s.w	$r0, errno
+	movi	$r0, -1	
+.Ldone:
+	ret
+	.size	_chdir, .-_chdir