Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/mips/lib/strnlen_user.S b/arch/mips/lib/strnlen_user.S
new file mode 100644
index 00000000..64457162
--- /dev/null
+++ b/arch/mips/lib/strnlen_user.S
@@ -0,0 +1,46 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1996, 1998, 1999, 2004 by Ralf Baechle
+ * Copyright (c) 1999 Silicon Graphics, Inc.
+ */
+#include <asm/asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/regdef.h>
+
+#define EX(insn,reg,addr,handler)			\
+9:	insn	reg, addr;				\
+	.section __ex_table,"a";			\
+	PTR	9b, handler;				\
+	.previous
+
+/*
+ * Return the size of a string including the ending NUL character up to a
+ * maximum of a1 or 0 in case of error.
+ *
+ * Note: for performance reasons we deliberately accept that a user may
+ *       make strlen_user and strnlen_user access the first few KSEG0
+ *       bytes.  There's nothing secret there.  On 64-bit accessing beyond
+ *       the maximum is a tad hairier ...
+ */
+LEAF(__strnlen_user_asm)
+	LONG_L		v0, TI_ADDR_LIMIT($28)	# pointer ok?
+	and		v0, a0
+	bnez		v0, .Lfault
+
+FEXPORT(__strnlen_user_nocheck_asm)
+	move		v0, a0
+	PTR_ADDU	a1, a0			# stop pointer
+1:	beq		v0, a1, 1f		# limit reached?
+	EX(lb, t0, (v0), .Lfault)
+	PTR_ADDU	v0, 1
+	bnez		t0, 1b
+1:	PTR_SUBU	v0, a0
+	jr		ra
+	END(__strnlen_user_asm)
+
+.Lfault:
+	move		v0, zero
+	jr		ra