1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * System call table for UML/i386, 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 sys_vm86old sys_ni_syscall 26 #define sys_vm86 sys_ni_syscall 27 28 #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) 29 #define __SYSCALL_NORETURN __SYSCALL 30 31 #define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); 32 #include <asm/syscalls_32.h> 33 #undef __SYSCALL 34 35 #define __SYSCALL(nr, sym) sym, 36 const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { 37 #include <asm/syscalls_32.h> 38 }; 39 40 int syscall_table_size = sizeof(sys_call_table); 41