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-rw-r--r--arch/um/sys-x86_64/syscall_table.c65
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
46typedef void (*sys_call_ptr_t)(void);
47
48extern 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
61sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
62#include "../../x86/include/asm/unistd_64.h"
63};
64
65int syscall_table_size = sizeof(sys_call_table);