diff options
Diffstat (limited to 'arch/mips/lib/strlen_user.S')
| -rw-r--r-- | arch/mips/lib/strlen_user.S | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/arch/mips/lib/strlen_user.S b/arch/mips/lib/strlen_user.S index e362dcdc69d1..bef65c98df59 100644 --- a/arch/mips/lib/strlen_user.S +++ b/arch/mips/lib/strlen_user.S @@ -22,19 +22,43 @@ * * 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) +.ifeqs "\func", "kernel" +1: EX(lbu, v1, (v0), .Lfault\@) +.else +1: EX(lbue, v1, (v0), .Lfault\@) +.endif 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 + +#ifndef CONFIG_EVA + /* Set aliases */ + .global __strlen_user_asm + .global __strlen_user_nocheck_asm + .set __strlen_user_asm, __strlen_kernel_asm + .set __strlen_user_nocheck_asm, __strlen_kernel_nocheck_asm +#endif + +__BUILD_STRLEN_ASM kernel + +#ifdef CONFIG_EVA + + .set push + .set eva +__BUILD_STRLEN_ASM user + .set pop +#endif |