mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
57 lines
1.7 KiB
ArmAsm
57 lines
1.7 KiB
ArmAsm
/* Multiple versions of strnlen
|
|
Copyright (C) 2011 Free Software Foundation, Inc.
|
|
Contributed by Intel Corporation.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
#include <init-arch.h>
|
|
|
|
#ifndef NOT_IN_libc
|
|
.section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
|
|
.globl __i686.get_pc_thunk.bx
|
|
.hidden __i686.get_pc_thunk.bx
|
|
.p2align 4
|
|
.type __i686.get_pc_thunk.bx,@function
|
|
__i686.get_pc_thunk.bx:
|
|
movl (%esp), %ebx
|
|
ret
|
|
|
|
.text
|
|
ENTRY(__strnlen)
|
|
.type __strnlen, @gnu_indirect_function
|
|
pushl %ebx
|
|
cfi_adjust_cfa_offset (4)
|
|
cfi_rel_offset (ebx, 0)
|
|
call __i686.get_pc_thunk.bx
|
|
addl $_GLOBAL_OFFSET_TABLE_, %ebx
|
|
cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
|
|
jne 1f
|
|
call __init_cpu_features
|
|
1: leal __strnlen_ia32@GOTOFF(%ebx), %eax
|
|
testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features@GOTOFF(%ebx)
|
|
jz 2f
|
|
leal __strnlen_sse2@GOTOFF(%ebx), %eax
|
|
2: popl %ebx
|
|
cfi_adjust_cfa_offset (-4);
|
|
cfi_restore (ebx)
|
|
ret
|
|
END(__strnlen)
|
|
|
|
weak_alias(__strnlen, strnlen)
|
|
#endif
|