Linux Kernel  3.7.1
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sys_call_table_64.c
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1 /*
2  * System call table for UML/x86-64, 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 stub_iopl sys_ni_syscall
20 #define sys_ioperm sys_ni_syscall
21 
22 /*
23  * The UML TLS problem. Note that x86_64 does not implement this, so the below
24  * is needed only for the ia32 compatibility.
25  */
26 
27 /* On UML we call it this way ("old" means it's not mmap2) */
28 #define sys_mmap old_mmap
29 
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_sigaltstack sys_sigaltstack
35 #define stub_rt_sigreturn sys_rt_sigreturn
36 
37 #define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
38 #define __SYSCALL_X32(nr, sym, compat) /* Not supported */
39 
40 #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
41 #include <asm/syscalls_64.h>
42 
43 #undef __SYSCALL_64
44 #define __SYSCALL_64(nr, sym, compat) [ nr ] = sym,
45 
46 typedef void (*sys_call_ptr_t)(void);
47 
48 extern void sys_ni_syscall(void);
49 
51  /*
52  * Smells like a compiler bug -- it doesn't work
53  * when the & below is removed.
54  */
55  [0 ... __NR_syscall_max] = &sys_ni_syscall,
56 #include <asm/syscalls_64.h>
57 };
58