MIPS: lib: strnlen_user: Use macro to build the strnlen_user symbol

Build the __strnlen_user symbol using a macro. In EVA mode we will
need to use similar code to do the userspace load operations so
it is better if we use a macro to avoid code duplications.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/arch/mips/lib/strnlen_user.S b/arch/mips/lib/strnlen_user.S
index fcacea5e61f1..44221602ce1c 100644
--- a/arch/mips/lib/strnlen_user.S
+++ b/arch/mips/lib/strnlen_user.S
@@ -25,22 +25,26 @@
  *       bytes.  There's nothing secret there.  On 64-bit accessing beyond
  *       the maximum is a tad hairier ...
  */
-LEAF(__strnlen_user_asm)
+        .macro __BUILD_STRNLEN_ASM func
+LEAF(__strnlen_\func\()_asm)
         LONG_L          v0, TI_ADDR_LIMIT($28)  # pointer ok?
         and             v0, a0
-        bnez            v0, .Lfault
+        bnez            v0, .Lfault\@
 
-FEXPORT(__strnlen_user_nocheck_asm)
+FEXPORT(__strnlen_\func\()_nocheck_asm)
         move            v0, a0
         PTR_ADDU        a1, a0                  # stop pointer
 1:      beq             v0, a1, 1f              # limit reached?
-        EX(lb, t0, (v0), .Lfault)
+        EX(lb, t0, (v0), .Lfault\@)
         PTR_ADDIU       v0, 1
         bnez            t0, 1b
 1:      PTR_SUBU        v0, a0
         jr              ra
-        END(__strnlen_user_asm)
+        END(__strnlen_\func\()_asm)
 
-.Lfault:
+.Lfault\@:
         move            v0, zero
         jr              ra
+        .endm
+
+__BUILD_STRNLEN_ASM user