diff options
Diffstat (limited to 'arch/ia64/lib/strnlen_user.S')
| -rw-r--r-- | arch/ia64/lib/strnlen_user.S | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/ia64/lib/strnlen_user.S b/arch/ia64/lib/strnlen_user.S deleted file mode 100644 index a7eb56e840..0000000000 --- a/arch/ia64/lib/strnlen_user.S +++ /dev/null @@ -1,48 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Returns 0 if exception before NUL or reaching the supplied limit (N), - * a value greater than N if the string is longer than the limit, else - * strlen. - * - * Inputs: - * in0: address of buffer - * in1: string length limit N - * Outputs: - * r8: 0 in case of fault, strlen(buffer)+1 otherwise - * - * Copyright (C) 1999, 2001 David Mosberger-Tang <davidm@hpl.hp.com> - */ - -#include <linux/export.h> -#include <asm/asmmacro.h> - -GLOBAL_ENTRY(__strnlen_user) - .prologue - alloc r2=ar.pfs,2,0,0,0 - .save ar.lc, r16 - mov r16=ar.lc // preserve ar.lc - - .body - - add r3=-1,in1 - ;; - mov ar.lc=r3 - mov r9=0 - ;; - // XXX braindead strlen loop---this needs to be optimized -.Loop1: - EXCLR(.Lexit, ld1 r8=[in0],1) - add r9=1,r9 - ;; - cmp.eq p6,p0=r8,r0 -(p6) br.cond.dpnt .Lexit - br.cloop.dptk.few .Loop1 - - add r9=1,in1 // NUL not found---return N+1 - ;; -.Lexit: - mov r8=r9 - mov ar.lc=r16 // restore ar.lc - br.ret.sptk.many rp -END(__strnlen_user) -EXPORT_SYMBOL(__strnlen_user) |