From 5cc494972adbaeff08a1b7544acaa608c68cd527 Mon Sep 17 00:00:00 2001 From: Markos Chandras Date: Thu, 2 Jan 2014 15:55:58 +0000 Subject: [PATCH] MIPS: lib: strlen_user: Use macro to build the strlen_user symbol Build the __strlen_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 --- arch/mips/lib/strlen_user.S | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/mips/lib/strlen_user.S b/arch/mips/lib/strlen_user.S index e362dcd..6e8bdb3 100644 --- a/arch/mips/lib/strlen_user.S +++ b/arch/mips/lib/strlen_user.S @@ -22,19 +22,23 @@ * * Return 0 for error */ -LEAF(__strlen_user_asm) + .macro __BUILD_STRLEN_ASM func +LEAF(__strlen_\func\()_asm) LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok? and v0, a0 - bnez v0, .Lfault + bnez v0, .Lfault\@ -FEXPORT(__strlen_user_nocheck_asm) +FEXPORT(__strlen_\func\()_nocheck_asm) move v0, a0 -1: EX(lbu, v1, (v0), .Lfault) +1: EX(lbu, v1, (v0), .Lfault\@) PTR_ADDIU v0, 1 bnez v1, 1b PTR_SUBU v0, a0 jr ra - END(__strlen_user_asm) + END(__strlen_\func\()_asm) -.Lfault: move v0, zero +.Lfault\@: move v0, zero jr ra + .endm + +__BUILD_STRLEN_ASM user -- 2.7.4