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 extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, 13 unsigned long, unsigned long, 14 unsigned long, unsigned long); 15 16 /* 17 * Below you can see, in terms of #define's, the differences between the x86-64 18 * and the UML syscall table. 19 */ 20 21 /* Not going to be implemented by UML, since we have no hardware. */ 22 #define sys_iopl sys_ni_syscall 23 #define sys_ioperm sys_ni_syscall 24 25 #define __SYSCALL_NORETURN __SYSCALL 26 27 #define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); 28 #include <asm/syscalls_64.h> 29 #undef __SYSCALL 30 31 #define __SYSCALL(nr, sym) sym, 32 const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { 33 #include <asm/syscalls_64.h> 34 }; 35 36 int syscall_table_size = sizeof(sys_call_table); 37