diff options
Diffstat (limited to 'arch/um/sys-x86_64/syscall_table.c')
-rw-r--r-- | arch/um/sys-x86_64/syscall_table.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c deleted file mode 100644 index 47d469e7e7ce..000000000000 --- a/arch/um/sys-x86_64/syscall_table.c +++ /dev/null | |||
@@ -1,65 +0,0 @@ | |||
1 | /* | ||
2 | * System call table for UML/x86-64, copied from arch/x86_64/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 <kern_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_rt_sigsuspend sys_rt_sigsuspend | ||
35 | #define stub_sigaltstack sys_sigaltstack | ||
36 | #define stub_rt_sigreturn sys_rt_sigreturn | ||
37 | |||
38 | #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; | ||
39 | #undef _ASM_X86_UNISTD_64_H | ||
40 | #include "../../x86/include/asm/unistd_64.h" | ||
41 | |||
42 | #undef __SYSCALL | ||
43 | #define __SYSCALL(nr, sym) [ nr ] = sym, | ||
44 | #undef _ASM_X86_UNISTD_64_H | ||
45 | |||
46 | typedef void (*sys_call_ptr_t)(void); | ||
47 | |||
48 | extern void sys_ni_syscall(void); | ||
49 | |||
50 | /* | ||
51 | * We used to have a trick here which made sure that holes in the | ||
52 | * x86_64 table were filled in with sys_ni_syscall, but a comment in | ||
53 | * unistd_64.h says that holes aren't allowed, so the trick was | ||
54 | * removed. | ||
55 | * The trick looked like this | ||
56 | * [0 ... UM_NR_syscall_max] = &sys_ni_syscall | ||
57 | * before including unistd_64.h - the later initializations overwrote | ||
58 | * the sys_ni_syscall filler. | ||
59 | */ | ||
60 | |||
61 | sys_call_ptr_t sys_call_table[] __cacheline_aligned = { | ||
62 | #include "../../x86/include/asm/unistd_64.h" | ||
63 | }; | ||
64 | |||
65 | int syscall_table_size = sizeof(sys_call_table); | ||