arch/arm64/kernel/sys32.c

   1 /*
   2  * arch/arm64/kernel/sys32.c
   3  *
   4  * Copyright (C) 2015 ARM Ltd.
   5  *
   6  * This program is free software(void); you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http(void);//www.gnu.org/licenses/>.
  17  */
  18
  19 /*
  20  * Needed to avoid conflicting __NR_* macros between uapi/asm/unistd.h and
  21  * asm/unistd32.h.
  22  */
  23 #define __COMPAT_SYSCALL_NR
  24
  25 #include <linux/compiler.h>
  26 #include <linux/syscalls.h>
  27
  28 asmlinkage long compat_sys_sigreturn_wrapper(void);
  29 asmlinkage long compat_sys_rt_sigreturn_wrapper(void);
  30 asmlinkage long compat_sys_statfs64_wrapper(void);
  31 asmlinkage long compat_sys_fstatfs64_wrapper(void);
  32 asmlinkage long compat_sys_pread64_wrapper(void);
  33 asmlinkage long compat_sys_pwrite64_wrapper(void);
  34 asmlinkage long compat_sys_truncate64_wrapper(void);
  35 asmlinkage long compat_sys_ftruncate64_wrapper(void);
  36 asmlinkage long compat_sys_readahead_wrapper(void);
  37 asmlinkage long compat_sys_fadvise64_64_wrapper(void);
  38 asmlinkage long compat_sys_sync_file_range2_wrapper(void);
  39 asmlinkage long compat_sys_fallocate_wrapper(void);
  40 asmlinkage long compat_sys_mmap2_wrapper(void);
  41
  42 #undef __SYSCALL
  43 #define __SYSCALL(nr, sym)      [nr] = sym,
  44
  45 /*
  46  * The sys_call_table array must be 4K aligned to be accessible from
  47  * kernel/entry.S.
  48  */
  49 void * const compat_sys_call_table[__NR_compat_syscalls] __aligned(4096) = {
  50         [0 ... __NR_compat_syscalls - 1] = sys_ni_syscall,
  51 #include <asm/unistd32.h>
  52 };