Fixup naming of '_mmap' to 'mmap' so it will properly override

the symbol in common.

1 files changed, 48 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/frv/mmap.c b/libc/sysdeps/linux/frv/mmap.c
new file mode 100644
index 000000000..b3fd7c3d8
--- /dev/null
+++ b/libc/sysdeps/linux/frv/mmap.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1997, 1998, 1999, 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Daniel Jacobowitz <dan@debian.org>, 1999.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Massivly hacked up for uClibc by Erik Andersen */
+
+/* Extracted from ../common/mmap64.c by Alexandre Oliva <aoliva@redhat.com>
+
+   We don't want to use the old mmap interface.  */
+
+#include <features.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/mman.h>
+
+#define __NR___syscall_mmap2	    __NR_mmap2
+static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, 
+	size_t, len, int, prot, int, flags, int, fd, off_t, offset);
+
+/* This is always 12, even on architectures where PAGE_SHIFT != 12.  */
+# ifndef MMAP2_PAGE_SHIFT
+#  define MMAP2_PAGE_SHIFT 12
+# endif
+
+__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
+{
+    if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) {
+	__set_errno (EINVAL);
+	return MAP_FAILED;
+    }
+    return(__syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)));
+}