added and modified bionic code to support SuperH architecture
modified: libc/Android.mk
new files: libc/arch-sh/bionic/*
new files: libc/arch-sh/include/*
diff --git a/libc/arch-sh/bionic/ffs.S b/libc/arch-sh/bionic/ffs.S
new file mode 100644
index 0000000..733694b
--- /dev/null
+++ b/libc/arch-sh/bionic/ffs.S
@@ -0,0 +1,103 @@
+/* $NetBSD: ffs.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */
+
+/*-
+ * Copyright (c) 2002 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by ITOH Yasufumi.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION OR CONTRIBUTORS
+ * 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 <machine/asm.h>
+
+#if defined(LIBC_SCCS) && !defined(lint)
+ RCSID("$NetBSD: ffs.S,v 1.1 2005/12/20 19:28:50 christos Exp $")
+#endif
+
+/*
+ * ffs - find first bit set
+ *
+ * This code makes use of ``test 8bit'' and ``shift 8bit'' instructions.
+ * The remaining 8bit is tested in every 2bit.
+ */
+
+ENTRY(ffs)
+ mov r4,r0 ! using r0 specific instructions
+ tst #0xff,r0
+ bf/s L8bit
+ mov #0+1,r1 ! ret = 1..8
+
+ tst r0,r0 ! ffs(0) is 0
+ bt Lzero ! testing here to accelerate ret=1..8 cases
+
+ shlr8 r0
+ tst #0xff,r0
+ bf/s L8bit
+ mov #8+1,r1 ! ret = 9..16
+
+ shlr8 r0
+ tst #0xff,r0
+ bf/s L8bit
+ mov #16+1,r1 ! ret = 17..24
+
+ shlr8 r0
+ mov #24+1,r1 ! ret = 25..32
+
+L8bit:
+ tst #0x0f,r0
+ bt 4f
+
+ tst #0x03,r0
+ bt 2f
+ tst #0x01,r0 ! not bit 0 -> T
+ mov #0,r0
+ rts
+ addc r1,r0 ! 0 + r1 + T -> r0
+
+2: tst #0x04,r0
+ mov #2,r0
+ rts
+ addc r1,r0
+
+4: tst #0x30,r0
+ bt 6f
+ tst #0x10,r0
+ mov #4,r0
+ rts
+ addc r1,r0
+
+6: tst #0x40,r0
+ mov #6,r0
+ rts
+ addc r1,r0
+
+Lzero: rts
+ nop