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4e940b2f4b
HAS_ARCH_FEATURE, not HAS_CPU_FEATURE, should be used with Fast_Rep_String. [BZ #19762] * sysdeps/i386/i686/multiarch/bcopy.S (bcopy): Use HAS_ARCH_FEATURE with Fast_Rep_String. * sysdeps/i386/i686/multiarch/bzero.S (__bzero): Likewise. * sysdeps/i386/i686/multiarch/memcpy.S (memcpy): Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk.S (__memcpy_chk): Likewise. * sysdeps/i386/i686/multiarch/memmove_chk.S (__memmove_chk): Likewise. * sysdeps/i386/i686/multiarch/mempcpy.S (__mempcpy): Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk.S (__mempcpy_chk): Likewise. * sysdeps/i386/i686/multiarch/memset.S (memset): Likewise. * sysdeps/i386/i686/multiarch/memset_chk.S (__memset_chk): Likewise.
83 lines
2.3 KiB
ArmAsm
83 lines
2.3 KiB
ArmAsm
/* Multiple versions of __memset_chk
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All versions must be listed in ifunc-impl-list.c.
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Copyright (C) 2010-2016 Free Software Foundation, Inc.
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Contributed by Intel Corporation.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <init-arch.h>
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/* Define multiple versions only for the definition in lib. */
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#if IS_IN (libc)
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.text
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ENTRY(__memset_chk)
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.type __memset_chk, @gnu_indirect_function
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LOAD_GOT_AND_RTLD_GLOBAL_RO
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LOAD_FUNC_GOT_EAX (__memset_chk_ia32)
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HAS_CPU_FEATURE (SSE2)
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jz 2f
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LOAD_FUNC_GOT_EAX (__memset_chk_sse2)
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HAS_ARCH_FEATURE (Fast_Rep_String)
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jz 2f
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LOAD_FUNC_GOT_EAX (__memset_chk_sse2_rep)
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2: ret
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END(__memset_chk)
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# ifdef SHARED
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strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
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.section .gnu.warning.__memset_zero_constant_len_parameter
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.string "memset used with constant zero length parameter; this could be due to transposed parameters"
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# else
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.text
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.type __memset_chk_sse2, @function
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.p2align 4;
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__memset_chk_sse2:
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cfi_startproc
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CALL_MCOUNT
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movl 12(%esp), %eax
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cmpl %eax, 16(%esp)
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jb __chk_fail
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jmp __memset_sse2
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cfi_endproc
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.size __memset_chk_sse2, .-__memset_chk_sse2
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.type __memset_chk_sse2_rep, @function
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.p2align 4;
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__memset_chk_sse2_rep:
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cfi_startproc
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CALL_MCOUNT
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movl 12(%esp), %eax
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cmpl %eax, 16(%esp)
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jb __chk_fail
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jmp __memset_sse2_rep
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cfi_endproc
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.size __memset_chk_sse2_rep, .-__memset_chk_sse2_rep
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.type __memset_chk_ia32, @function
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.p2align 4;
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__memset_chk_ia32:
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cfi_startproc
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CALL_MCOUNT
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movl 12(%esp), %eax
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cmpl %eax, 16(%esp)
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jb __chk_fail
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jmp __memset_ia32
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cfi_endproc
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.size __memset_chk_ia32, .-__memset_chk_ia32
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# endif
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#endif
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