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author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c | |
parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c new file mode 100644 index 0000000000..588ad6bd81 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c @@ -0,0 +1,40 @@ +/* Copyright (C) 2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/types.h> +#include <sys/mman.h> +#include <errno.h> +#include <sysdep.h> + +#ifndef MMAP_PAGE_SHIFT +#define MMAP_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 << MMAP_PAGE_SHIFT) - 1)) + { + __set_errno (EINVAL); + return MAP_FAILED; + } + return (__ptr_t) INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags, fd, + offset >> MMAP_PAGE_SHIFT); +} + +weak_alias (__mmap, mmap) |