diff options
author | Guo Ren <guoren@linux.alibaba.com> | 2022-04-05 15:13:05 +0800 |
---|---|---|
committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-04-26 13:36:25 -0700 |
commit | 59c10c52f573faca862cda5ebcdd43831608eb5a (patch) | |
tree | 786a8dd25890ba8b97f07f01011c02d4a869ad08 /arch/riscv/kernel/compat_syscall_table.c | |
parent | 01abdfeac81b5f56062d0a78f2cdc805db937a75 (diff) |
riscv: compat: syscall: Add compat_sys_call_table implementation
Implement compat sys_call_table and some system call functions:
truncate64, ftruncate64, fallocate, pread64, pwrite64,
sync_file_range, readahead, fadvise64_64 which need argument
translation.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-12-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/kernel/compat_syscall_table.c')
-rw-r--r-- | arch/riscv/kernel/compat_syscall_table.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/riscv/kernel/compat_syscall_table.c b/arch/riscv/kernel/compat_syscall_table.c new file mode 100644 index 000000000000..651f2b009c28 --- /dev/null +++ b/arch/riscv/kernel/compat_syscall_table.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#define __SYSCALL_COMPAT + +#include <linux/compat.h> +#include <linux/syscalls.h> +#include <asm-generic/mman-common.h> +#include <asm-generic/syscalls.h> +#include <asm/syscall.h> + +#undef __SYSCALL +#define __SYSCALL(nr, call) [nr] = (call), + +asmlinkage long compat_sys_rt_sigreturn(void); + +void * const compat_sys_call_table[__NR_syscalls] = { + [0 ... __NR_syscalls - 1] = sys_ni_syscall, +#include <asm/unistd.h> +}; |