| /* |
| (C) Copyright IBM Corp. 2007, 2008 |
| |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| * 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. |
| * Neither the name of IBM 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 <stddef.h> |
| #include <errno.h> |
| #include <sys/mman.h> |
| #include "ea_internal.h" |
| #include <ea.h> |
| |
| COMPAT_EA_ALIAS (mmap_ea); |
| |
| __ea void *mmap_ea (__ea void *start, size_ea_t length, int prot, int |
| flags, int fd, off_t offset) |
| { |
| #ifdef __EA64__ |
| if (length > 0xffffffffULL) { |
| errno = ENOMEM; |
| return MAP_FAILED_EADDR; |
| } else { |
| return (__ea void *) mmap_eaddr ((unsigned long long) start, |
| (size_t) length, prot, flags, fd, offset); |
| } |
| #else /* __EA32__ */ |
| unsigned long long res; |
| /* |
| * mmap_eaddr returns 64 bits. For ea32, only the lower 32 bits can be |
| * returned. |
| */ |
| res = mmap_eaddr ((unsigned long long) (unsigned int) start, length, |
| prot, flags, fd, offset); |
| if (res != MAP_FAILED_EADDR && res > 0xffffffffULL) { |
| munmap_eaddr (res, length); |
| errno = ENOMEM; |
| res = MAP_FAILED_EADDR; |
| } |
| return (__ea void *) (int) res; |
| #endif |
| } |