tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c
4 * with some changes for UML.
5 */
6
7#include <linux/linkage.h>
8#include <linux/sys.h>
9#include <linux/cache.h>
10#include <asm/syscall.h>
11
12#define __NO_STUBS
13
14/*
15 * Below you can see, in terms of #define's, the differences between the x86-64
16 * and the UML syscall table.
17 */
18
19/* Not going to be implemented by UML, since we have no hardware. */
20#define sys_iopl sys_ni_syscall
21#define sys_ioperm sys_ni_syscall
22
23#define sys_vm86old sys_ni_syscall
24#define sys_vm86 sys_ni_syscall
25
26#define old_mmap sys_old_mmap
27
28#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
29
30#define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
31#include <asm/syscalls_32.h>
32
33#undef __SYSCALL
34#define __SYSCALL(nr, sym) sym,
35
36extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
37
38const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
39#include <asm/syscalls_32.h>
40};
41
42int syscall_table_size = sizeof(sys_call_table);