diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/mmap64.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/mmap64.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/mmap64.c b/sysdeps/unix/sysv/linux/powerpc/mmap64.c deleted file mode 100644 index 63f32e9908..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/mmap64.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (C) 1999,2000,01,02 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 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. */ - -#include <errno.h> -#include <unistd.h> -#include <sys/mman.h> - -#include <sysdep.h> -#include <sys/syscall.h> -#include <bp-checks.h> - -#include "kernel-features.h" - -/* This is always the constant 12 for this routine, even if the actual - page size is larger. */ -#define PAGE_SHIFT 12 - -#ifdef __NR_mmap2 -extern void *__unbounded __syscall_mmap2(void *__unbounded, size_t, - int, int, int, off_t); -#ifndef __ASSUME_MMAP2_SYSCALL -static int have_no_mmap2; -#endif -#endif - -void * -__mmap64 (void *addr, size_t len, int prot, int flags, int fd, off64_t offset) -{ - if (offset & ((1 << PAGE_SHIFT)-1)) - { - __set_errno (EINVAL); - return MAP_FAILED; - } -#ifdef __NR_mmap2 -# ifndef __ASSUME_MMAP2_SYSCALL - if (! have_no_mmap2) -# endif - { -# ifndef __ASSUME_MMAP2_SYSCALL - int saved_errno = errno; -# endif - void *result; - __ptrvalue (result) - = (void *) INLINE_SYSCALL (mmap2, 6, __ptrvalue (addr), len, - prot, flags, fd, - (off_t) (offset >> PAGE_SHIFT)); -# if __BOUNDED_POINTERS__ - __ptrlow (result) = __ptrvalue (result); - __ptrhigh (result) = __ptrvalue (result) + len; -# endif -# ifndef __ASSUME_MMAP2_SYSCALL - if (result != MAP_FAILED || errno != ENOSYS) -# endif - return result; - -# ifndef __ASSUME_MMAP2_SYSCALL - __set_errno (saved_errno); - have_no_mmap2 = 1; -# endif - } -#endif -#ifndef __ASSUME_MMAP2_SYSCALL - if (offset != (off_t) offset || (offset + len) != (off_t) (offset + len)) - { - __set_errno (EINVAL); - return MAP_FAILED; - } - - return __mmap (addr, len, prot, flags, fd, (off_t) offset); -#endif -} - -weak_alias (__mmap64, mmap64) |