diff options
Diffstat (limited to 'arch/x86_64/kernel/syscall.c')
-rw-r--r-- | arch/x86_64/kernel/syscall.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/syscall.c b/arch/x86_64/kernel/syscall.c new file mode 100644 index 0000000..e263685 --- /dev/null +++ b/arch/x86_64/kernel/syscall.c @@ -0,0 +1,26 @@ +/* System call table for x86-64. */ + +#include <linux/linkage.h> +#include <linux/sys.h> +#include <linux/cache.h> +#include <linux/config.h> + +#define __NO_STUBS + +#define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; +#undef _ASM_X86_64_UNISTD_H_ +#include <asm-x86_64/unistd.h> + +#undef __SYSCALL +#define __SYSCALL(nr, sym) [ nr ] = sym, +#undef _ASM_X86_64_UNISTD_H_ + +typedef void (*sys_call_ptr_t)(void); + +extern void sys_ni_syscall(void); + +sys_call_ptr_t sys_call_table[__NR_syscall_max+1] __cacheline_aligned = { + /* Smells like a like a compiler bug -- it doesn't work when the & below is removed. */ + [0 ... __NR_syscall_max] = &sys_ni_syscall, +#include <asm-x86_64/unistd.h> +}; |