linux/arch/x86/um/sys_call_table_32.c
Al Viro 49cb25e929 x86: get rid of pt_regs argument in vm86/vm86old
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03 18:16:24 -05:00

47 lines
1.1 KiB
C

/*
* System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c
* with some changes for UML.
*/
#include <linux/linkage.h>
#include <linux/sys.h>
#include <linux/cache.h>
#include <generated/user_constants.h>
#define __NO_STUBS
/*
* Below you can see, in terms of #define's, the differences between the x86-64
* and the UML syscall table.
*/
/* Not going to be implemented by UML, since we have no hardware. */
#define sys_iopl sys_ni_syscall
#define sys_ioperm sys_ni_syscall
#define sys_vm86old sys_ni_syscall
#define sys_vm86 sys_ni_syscall
#define old_mmap sys_old_mmap
#define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ;
#include <asm/syscalls_32.h>
#undef __SYSCALL_I386
#define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym,
typedef asmlinkage void (*sys_call_ptr_t)(void);
extern asmlinkage void sys_ni_syscall(void);
const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
*/
[0 ... __NR_syscall_max] = &sys_ni_syscall,
#include <asm/syscalls_32.h>
};
int syscall_table_size = sizeof(sys_call_table);