Commit | Line | Data |
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45db1c61 PA |
1 | /* |
2 | * System call table for UML/i386, 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. */ | |
47db9e7c | 19 | #define sys_iopl sys_ni_syscall |
45db1c61 PA |
20 | #define sys_ioperm sys_ni_syscall |
21 | ||
22 | #define sys_vm86old sys_ni_syscall | |
23 | #define sys_vm86 sys_ni_syscall | |
24 | ||
25 | #define old_mmap sys_old_mmap | |
26 | ||
45db1c61 PA |
27 | #define ptregs_iopl sys_iopl |
28 | #define ptregs_vm86old sys_vm86old | |
45db1c61 PA |
29 | #define ptregs_vm86 sys_vm86 |
30 | #define ptregs_sigaltstack sys_sigaltstack | |
45db1c61 PA |
31 | |
32 | #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ; | |
33 | #include <asm/syscalls_32.h> | |
34 | ||
35 | #undef __SYSCALL_I386 | |
36 | #define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym, | |
37 | ||
9271b0b4 | 38 | typedef asmlinkage void (*sys_call_ptr_t)(void); |
45db1c61 | 39 | |
9271b0b4 | 40 | extern asmlinkage void sys_ni_syscall(void); |
45db1c61 | 41 | |
a074335a | 42 | const sys_call_ptr_t sys_call_table[] __cacheline_aligned = { |
45db1c61 PA |
43 | /* |
44 | * Smells like a compiler bug -- it doesn't work | |
45 | * when the & below is removed. | |
46 | */ | |
47 | [0 ... __NR_syscall_max] = &sys_ni_syscall, | |
48 | #include <asm/syscalls_32.h> | |
49 | }; | |
50 | ||
51 | int syscall_table_size = sizeof(sys_call_table); |