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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/x86_64/memset.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/x86_64/memset.S')
-rw-r--r--sysdeps/x86_64/memset.S10
1 files changed, 8 insertions, 2 deletions
diff --git a/sysdeps/x86_64/memset.S b/sysdeps/x86_64/memset.S
index 6c47f4c863..1c421c75f3 100644
--- a/sysdeps/x86_64/memset.S
+++ b/sysdeps/x86_64/memset.S
@@ -1,6 +1,6 @@
 /* memset/bzero -- set memory area to CH/0
    Optimized version for x86-64.
-   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>.
 
@@ -41,7 +41,7 @@ END (__memset_chk)
 ENTRY (memset)
 #if BZERO_P
 	mov	%rsi,%rdx	/* Adjust parameter.  */
-	xorq	%rsi,%rsi	/* Fill with 0s.  */
+	xorl	%esi,%esi	/* Fill with 0s.  */
 #endif
 	cmp	$0x7,%rdx	/* Check for small length.  */
 	mov	%rdi,%rcx	/* Save ptr as return value.  */
@@ -138,3 +138,9 @@ END (memset)
 #if !BZERO_P
 libc_hidden_builtin_def (memset)
 #endif
+
+#if !BZERO_P && defined PIC && !defined NOT_IN_libc
+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"
+#endif