Linux 3.8-rc7
[cris-mirror.git] / arch / x86 / um / sys_call_table_64.c
blobf2f0723070caea848a88fe1f96863943fc3df121
1 /*
2 * System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c
3 * with some changes for UML.
4 */
6 #include <linux/linkage.h>
7 #include <linux/sys.h>
8 #include <linux/cache.h>
9 #include <generated/user_constants.h>
11 #define __NO_STUBS
14 * Below you can see, in terms of #define's, the differences between the x86-64
15 * and the UML syscall table.
18 /* Not going to be implemented by UML, since we have no hardware. */
19 #define stub_iopl sys_ni_syscall
20 #define sys_ioperm sys_ni_syscall
23 * The UML TLS problem. Note that x86_64 does not implement this, so the below
24 * is needed only for the ia32 compatibility.
27 /* On UML we call it this way ("old" means it's not mmap2) */
28 #define sys_mmap old_mmap
30 #define stub_clone sys_clone
31 #define stub_fork sys_fork
32 #define stub_vfork sys_vfork
33 #define stub_execve sys_execve
34 #define stub_rt_sigreturn sys_rt_sigreturn
36 #define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
37 #define __SYSCALL_X32(nr, sym, compat) /* Not supported */
39 #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
40 #include <asm/syscalls_64.h>
42 #undef __SYSCALL_64
43 #define __SYSCALL_64(nr, sym, compat) [ nr ] = sym,
45 typedef void (*sys_call_ptr_t)(void);
47 extern void sys_ni_syscall(void);
49 const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
51 * Smells like a compiler bug -- it doesn't work
52 * when the & below is removed.
54 [0 ... __NR_syscall_max] = &sys_ni_syscall,
55 #include <asm/syscalls_64.h>
58 int syscall_table_size = sizeof(sys_call_table);