/* 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))); } libc_hidden_def(mmap)