Description: split mmap.s into mmap.s and mmap64.s
 Also add an explicit rule for mmap64.o: GNU make takes
 mmap.s for mmap64.o by default, but sunmake - mmap64.s (WTF?)
Bug: https://www.illumos.org/issues/2404

Index: b/usr/src/lib/libc/common/sys/mmap.s
===================================================================
--- a/usr/src/lib/libc/common/sys/mmap.s
+++ b/usr/src/lib/libc/common/sys/mmap.s
@@ -31,17 +31,11 @@
 
 #include <sys/asm_linkage.h>
 
-#if !defined(_LARGEFILE_SOURCE)
-	ANSI_PRAGMA_WEAK(mmap,function)
-#else
-	ANSI_PRAGMA_WEAK(mmap64,function)
-#endif
+ANSI_PRAGMA_WEAK(mmap,function)
 
 #include "SYS.h"
 #include <sys/mman.h>		/* Need _MAP_NEW definition     */
 
-#if !defined(_LARGEFILE_SOURCE)
-
 /*
  * C library -- mmap
  * caddr_t mmap(caddr_t addr, size_t len, int prot,
@@ -59,23 +53,3 @@
 	RET
 	SET_SIZE(mmap)
 
-#else
-
-/*
- * C library -- mmap64
- * caddr_t mmap64(caddr_t addr, size_t len, int prot,
- *	int flags, int fd, off64_t off)
- */
-
-	ENTRY(mmap64)
-#if defined(__sparc)
-	/* this depends upon the _MAP_NEW flag being in the top bits */
-	sethi	%hi(_MAP_NEW), %g1
-	or	%g1, %o3, %o3
-#endif
-	SYSTRAP_RVAL1(mmap64)
-	SYSCERROR
-	RET
-	SET_SIZE(mmap64)
-
-#endif
Index: b/usr/src/lib/libc/common/sys/mmap64.s
===================================================================
--- /dev/null
+++ b/usr/src/lib/libc/common/sys/mmap64.s
@@ -0,0 +1,56 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	All Rights Reserved	*/
+
+	.file	"mmap64.s"
+
+#include <sys/asm_linkage.h>
+
+ANSI_PRAGMA_WEAK(mmap64,function)
+
+#include "SYS.h"
+#include <sys/mman.h>		/* Need _MAP_NEW definition     */
+
+
+/*
+ * C library -- mmap64
+ * caddr_t mmap64(caddr_t addr, size_t len, int prot,
+ *	int flags, int fd, off64_t off)
+ */
+
+	ENTRY(mmap64)
+#if defined(__sparc)
+	/* this depends upon the _MAP_NEW flag being in the top bits */
+	sethi	%hi(_MAP_NEW), %g1
+	or	%g1, %o3, %o3
+#endif
+	SYSTRAP_RVAL1(mmap64)
+	SYSCERROR
+	RET
+	SET_SIZE(mmap64)
+
Index: b/usr/src/lib/libc/Makefile.targ
===================================================================
--- a/usr/src/lib/libc/Makefile.targ
+++ b/usr/src/lib/libc/Makefile.targ
@@ -103,6 +103,10 @@ pics/%.o: $(LIBCBASE)/../$(TARGET_ARCH)/
 
 # rules to build large file aware objects (xxx64.o from xxx.s or xxx.c)
 
+pics/mmap64.o: $(LIBCBASE)/../common/sys/mmap64.s
+	$(BUILD.s)
+	$(POST_PROCESS_O)
+
 pics/%64.o: $(LIBCBASE)/../common/sys/%.s
 	$(BUILD.s)
 	$(POST_PROCESS_O)