diff options
Diffstat (limited to 'arch/x86/entry/syscall_64.c')
| -rw-r--r-- | arch/x86/entry/syscall_64.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c new file mode 100644 index 000000000..d5252bc1e --- /dev/null +++ b/arch/x86/entry/syscall_64.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 +/* System call table for x86-64. */ + +#include <linux/linkage.h> +#include <linux/sys.h> +#include <linux/cache.h> +#include <asm/asm-offsets.h> +#include <asm/syscall.h> + +/* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */ +extern asmlinkage long sys_ni_syscall(const struct pt_regs *); +#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *); +#include <asm/syscalls_64.h> +#undef __SYSCALL_64 + +#define __SYSCALL_64(nr, sym, qual) [nr] = sym, + +asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { + /* + * Smells like a compiler bug -- it doesn't work + * when the & below is removed. + */ + [0 ... __NR_syscall_max] = &sys_ni_syscall, +#include <asm/syscalls_64.h> +}; |