1 /* 2 * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c 3 * with some changes for UML. 4 */ 5 6 #include <linux/linkage.h> 7 #include <linux/sys.h> 8 #include <linux/cache.h> 9 #include <generated/user_constants.h> 10 11 #define __NO_STUBS 12 13 /* 14 * Below you can see, in terms of #define's, the differences between the x86-64 15 * and the UML syscall table. 16 */ 17 18 /* Not going to be implemented by UML, since we have no hardware. */ 19 #define sys_iopl sys_ni_syscall 20 #define sys_ioperm sys_ni_syscall 21 22 #define sys_vm86old sys_ni_syscall 23 #define sys_vm86 sys_ni_syscall 24 25 #define old_mmap sys_old_mmap 26 27 #define ptregs_iopl sys_iopl 28 #define ptregs_vm86old sys_vm86old 29 #define ptregs_vm86 sys_vm86 30 #define ptregs_sigaltstack sys_sigaltstack 31 32 #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ; 33 #include <asm/syscalls_32.h> 34 35 #undef __SYSCALL_I386 36 #define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym, 37 38 typedef asmlinkage void (*sys_call_ptr_t)(void); 39 40 extern asmlinkage void sys_ni_syscall(void); 41 42 const sys_call_ptr_t sys_call_table[] __cacheline_aligned = { 43 /* 44 * Smells like a compiler bug -- it doesn't work 45 * when the & below is removed. 46 */ 47 [0 ... __NR_syscall_max] = &sys_ni_syscall, 48 #include <asm/syscalls_32.h> 49 }; 50 51 int syscall_table_size = sizeof(sys_call_table); 52