1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c 4 * with some changes for UML. 5 */ 6 7 #include <linux/linkage.h> 8 #include <linux/sys.h> 9 #include <linux/cache.h> 10 #include <asm/syscall.h> 11 12 /* 13 * Below you can see, in terms of #define's, the differences between the x86-64 14 * and the UML syscall table. 15 */ 16 17 /* Not going to be implemented by UML, since we have no hardware. */ 18 #define sys_iopl sys_ni_syscall 19 #define sys_ioperm sys_ni_syscall 20 21 #define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); 22 #include <asm/syscalls_64.h> 23 24 #undef __SYSCALL 25 #define __SYSCALL(nr, sym) sym, 26 27 extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); 28 29 const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { 30 #include <asm/syscalls_64.h> 31 }; 32 33 int syscall_table_size = sizeof(sys_call_table); 34