diff options
Diffstat (limited to 'arch/x86/entry/syscall_x32.c')
| -rw-r--r-- | arch/x86/entry/syscall_x32.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c new file mode 100644 index 000000000000..d144ced7f582 --- /dev/null +++ b/arch/x86/entry/syscall_x32.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +/* System call table for x32 ABI. */ + +#include <linux/linkage.h> +#include <linux/sys.h> +#include <linux/cache.h> +#include <linux/syscalls.h> +#include <asm/asm-offsets.h> +#include <asm/syscall.h> + +#define __SYSCALL_64(nr, sym, qual) + +#define __SYSCALL_X32(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *); +#include <asm/syscalls_64.h> +#undef __SYSCALL_X32 + +#define __SYSCALL_X32(nr, sym, qual) [nr] = sym, + +asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_syscall_x32_max+1] = { + /* + * Smells like a compiler bug -- it doesn't work + * when the & below is removed. + */ + [0 ... __NR_syscall_x32_max] = &__x64_sys_ni_syscall, +#include <asm/syscalls_64.h> +}; |