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D17539.id49103.diff
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D17539.id49103.diff
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Index: lib/libc/amd64/string/Makefile.inc
===================================================================
--- lib/libc/amd64/string/Makefile.inc
+++ lib/libc/amd64/string/Makefile.inc
@@ -2,7 +2,6 @@
MDSRCS+= \
bcmp.S \
- bcopy.S \
bzero.S \
memcmp.S \
memcpy.S \
Index: lib/libc/amd64/string/bcopy.S
===================================================================
--- lib/libc/amd64/string/bcopy.S
+++ /dev/null
@@ -1,103 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from locore.s.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#if 0
- RCSID("$NetBSD: bcopy.S,v 1.2 2003/08/07 16:42:36 agc Exp $")
-#endif
-
- /*
- * (ov)bcopy (src,dst,cnt)
- * ws@tools.de (Wolfgang Solfrank, TooLs GmbH) +49-228-985800
- */
-
-#ifdef MEMCOPY
-ENTRY(memcpy)
-#else
-#ifdef MEMMOVE
-ENTRY(memmove)
-#else
-ENTRY(bcopy)
-#endif
-#endif
-#if defined(MEMCOPY) || defined(MEMMOVE)
- movq %rdi,%rax /* return dst */
-#else
- xchgq %rdi,%rsi
-#endif
- movq %rdx,%rcx
- movq %rdi,%r8
- subq %rsi,%r8
- cmpq %rcx,%r8 /* overlapping? */
- jb 1f
- shrq $3,%rcx /* copy by words */
- rep
- movsq
- movq %rdx,%rcx
- andq $7,%rcx /* any bytes left? */
- jne 2f
- ret
-2:
- rep
- movsb
- ret
-1:
- addq %rcx,%rdi /* copy backwards. */
- addq %rcx,%rsi
- std
- decq %rdi
- decq %rsi
- andq $7,%rcx /* any fractional bytes? */
- je 3f
- rep
- movsb
-3:
- movq %rdx,%rcx /* copy remainder by words */
- shrq $3,%rcx
- subq $7,%rsi
- subq $7,%rdi
- rep
- movsq
- cld
- ret
-#ifdef MEMCOPY
-END(memcpy)
-#else
-#ifdef MEMMOVE
-END(memmove)
-#else
-END(bcopy)
-#endif
-#endif
-
- .section .note.GNU-stack,"",%progbits
Index: lib/libc/amd64/string/bcopy.c
===================================================================
--- /dev/null
+++ lib/libc/amd64/string/bcopy.c
@@ -0,0 +1,15 @@
+/*-
+ * Public domain.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <string.h>
+
+void
+bcopy(const void *src, void *dst, size_t len)
+{
+
+ memmove(dst, src, len);
+}
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D17539: amd64: convert libc bcopy to a C func to avoid future bloat
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