diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/mmap.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/mmap.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/mmap.c b/sysdeps/unix/sysv/linux/x86_64/mmap.c new file mode 100644 index 0000000000..1ee6f96294 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/mmap.c @@ -0,0 +1,52 @@ +/* Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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/>. */ + +#define _GNU_SOURCE +#include <errno.h> +#include <unistd.h> +#include <sys/mman.h> +#include <sysdeps/unix/sysv/linux/x86_64/sysdep.h> + +void * +__mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset) +{ + void *p = INLINE_SYSCALL (mmap, 6, addr, len, prot, flags, fd, offset); + if ((long) p == -1) return MAP_FAILED; +#ifdef __CHKP__ + return __bnd_set_ptr_bounds (p, len); +#else + return p; +#endif +} + +weak_alias (__mmap, mmap64) +weak_alias (__mmap, __mmap64) +weak_alias (__mmap, mmap) + +void * +__mremap (void *old_address, size_t old_size, size_t new_size, int flags, ...) +{ + void *p = INLINE_SYSCALL (mremap, 4, old_address, old_size, new_size, flags); + if ((long) p == -1) return MAP_FAILED; +#ifdef __CHKP__ + return __bnd_set_ptr_bounds (p, new_size); +#else + return p; +#endif +} + +weak_alias (__mremap, mremap) |