1 /* Copyright (C) 1997, 1998, 1999, 2002, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Daniel Jacobowitz <dan@debian.org>, 1999.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 /* Massivly hacked up for uClibc by Erik Andersen */
22 /* Extracted from ../common/mmap64.c by Alexandre Oliva <aoliva@redhat.com>
24 We don't want to use the old mmap interface. */
29 #include <sys/syscall.h>
32 #define __NR___syscall_mmap2 __NR_mmap2
33 static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr,
34 size_t, len, int, prot, int, flags, int, fd, off_t, offset);
36 /* This is always 12, even on architectures where PAGE_SHIFT != 12. */
37 # ifndef MMAP2_PAGE_SHIFT
38 # define MMAP2_PAGE_SHIFT 12
41 __ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
43 if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) {
47 return(__syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)));
49 libc_hidden_proto(mmap)