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/* Copyright (C) 2013 Free Software Foundation, Inc.
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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <rtld-global-offsets.h>
/* Define multiple versions only for the definition in libc. */
#ifndef NOT_IN_libc
.text
ENTRY(__strnlen)
.type __strnlen, @gnu_indirect_function
# ifdef PIC
mflr r6
cfi_register (lr,r6)
SETUP_GOT_ACCESS (r5,got_label)
addis r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@ha
addi r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@l
mtlr r6
cfi_same_value (lr)
# ifdef SHARED
lwz r6,_rtld_global_ro@got(r5)
/* If _rtld_global_ro is not initialized use the default ppc32
implementation. */
cmplwi r6,0
beq L(ppc32)
lwz r6,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r6)
# else
lwz r6,_dl_hwcap@got(r5)
lwz r6,4(r6)
# endif
# else /* PIC */
lis r6,(_dl_hwcap+4)@ha
lwz r6,(_dl_hwcap+4)@l(r6)
# endif
andi. r7,r6,PPC_FEATURE_HAS_VSX
bne L(power7)
L(ppc32):
# ifdef PIC
lwz r3,__strnlen_ppc32@got(r5)
# else
lis r3,__strnlen_ppc32@ha
lwz r3,__strnlen_ppc32@l(r3)
# endif
blr
L(power7):
# ifdef PIC
lwz r3,__strnlen_power7@got(r5)
# else
lis r3,__strnlen_power7@ha
lwz r3,__strnlen_power7@l(r3)
# endif
blr
END(__strnlen)
weak_alias (__strnlen, strnlen)
#endif
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