1 files changed, 82 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/i386/i686/multiarch/memset_chk.S b/REORG.TODO/sysdeps/i386/i686/multiarch/memset_chk.S
new file mode 100644
index 0000000000..573cf4208a
--- /dev/null
+++ b/REORG.TODO/sysdeps/i386/i686/multiarch/memset_chk.S
@@ -0,0 +1,82 @@
+/* Multiple versions of __memset_chk
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2010-2017 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include <init-arch.h>
+
+/* Define multiple versions only for the definition in lib.  */
+#if IS_IN (libc)
+	.text
+ENTRY(__memset_chk)
+	.type	__memset_chk, @gnu_indirect_function
+	LOAD_GOT_AND_RTLD_GLOBAL_RO
+	LOAD_FUNC_GOT_EAX (__memset_chk_ia32)
+	HAS_CPU_FEATURE (SSE2)
+	jz	2f
+	LOAD_FUNC_GOT_EAX (__memset_chk_sse2)
+	HAS_ARCH_FEATURE (Fast_Rep_String)
+	jz	2f
+	LOAD_FUNC_GOT_EAX (__memset_chk_sse2_rep)
+2:	ret
+END(__memset_chk)
+
+# ifdef SHARED
+strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
+	.section .gnu.warning.__memset_zero_constant_len_parameter
+	.string "memset used with constant zero length parameter; this could be due to transposed parameters"
+# else
+	.text
+	.type __memset_chk_sse2, @function
+	.p2align 4;
+__memset_chk_sse2:
+	cfi_startproc
+	CALL_MCOUNT
+	movl	12(%esp), %eax
+	cmpl	%eax, 16(%esp)
+	jb	__chk_fail
+	jmp	__memset_sse2
+	cfi_endproc
+	.size __memset_chk_sse2, .-__memset_chk_sse2
+
+	.type __memset_chk_sse2_rep, @function
+	.p2align 4;
+__memset_chk_sse2_rep:
+	cfi_startproc
+	CALL_MCOUNT
+	movl	12(%esp), %eax
+	cmpl	%eax, 16(%esp)
+	jb	__chk_fail
+	jmp	__memset_sse2_rep
+	cfi_endproc
+	.size __memset_chk_sse2_rep, .-__memset_chk_sse2_rep
+
+	.type __memset_chk_ia32, @function
+	.p2align 4;
+__memset_chk_ia32:
+	cfi_startproc
+	CALL_MCOUNT
+	movl	12(%esp), %eax
+	cmpl	%eax, 16(%esp)
+	jb	__chk_fail
+	jmp	__memset_ia32
+	cfi_endproc
+	.size __memset_chk_ia32, .-__memset_chk_ia32
+# endif
+#endif