| /* |
| * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c |
| * with some changes for UML. |
| */ |
| |
| #include <linux/linkage.h> |
| #include <linux/sys.h> |
| #include <linux/cache.h> |
| #include <generated/user_constants.h> |
| |
| #define __NO_STUBS |
| |
| /* |
| * Below you can see, in terms of #define's, the differences between the x86-64 |
| * and the UML syscall table. |
| */ |
| |
| /* Not going to be implemented by UML, since we have no hardware. */ |
| #define stub_iopl sys_ni_syscall |
| #define sys_ioperm sys_ni_syscall |
| |
| #define sys_vm86old sys_ni_syscall |
| #define sys_vm86 sys_ni_syscall |
| |
| #define old_mmap sys_old_mmap |
| |
| #define ptregs_fork sys_fork |
| #define ptregs_execve sys_execve |
| #define ptregs_iopl sys_iopl |
| #define ptregs_vm86old sys_vm86old |
| #define ptregs_clone sys_clone |
| #define ptregs_vm86 sys_vm86 |
| #define ptregs_sigaltstack sys_sigaltstack |
| #define ptregs_vfork sys_vfork |
| |
| #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ; |
| #include <asm/syscalls_32.h> |
| |
| #undef __SYSCALL_I386 |
| #define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym, |
| |
| typedef void (*sys_call_ptr_t)(void); |
| |
| extern void sys_ni_syscall(void); |
| |
| sys_call_ptr_t sys_call_table[] __cacheline_aligned = { |
| /* |
| * Smells like a compiler bug -- it doesn't work |
| * when the & below is removed. |
| */ |
| [0 ... __NR_syscall_max] = &sys_ni_syscall, |
| #include <asm/syscalls_32.h> |
| }; |
| |
| int syscall_table_size = sizeof(sys_call_table); |