sys_call_table_32.c 1.4 KB

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  1. /*
  2. * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c
  3. * with some changes for UML.
  4. */
  5. #include <linux/linkage.h>
  6. #include <linux/sys.h>
  7. #include <linux/cache.h>
  8. #include <generated/user_constants.h>
  9. #define __NO_STUBS
  10. /*
  11. * Below you can see, in terms of #define's, the differences between the x86-64
  12. * and the UML syscall table.
  13. */
  14. /* Not going to be implemented by UML, since we have no hardware. */
  15. #define sys_iopl sys_ni_syscall
  16. #define sys_ioperm sys_ni_syscall
  17. #define sys_vm86old sys_ni_syscall
  18. #define sys_vm86 sys_ni_syscall
  19. #define old_mmap sys_old_mmap
  20. #define ptregs_fork sys_fork
  21. #define ptregs_execve sys_execve
  22. #define ptregs_iopl sys_iopl
  23. #define ptregs_vm86old sys_vm86old
  24. #define ptregs_clone sys_clone
  25. #define ptregs_vm86 sys_vm86
  26. #define ptregs_sigaltstack sys_sigaltstack
  27. #define ptregs_vfork sys_vfork
  28. #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ;
  29. #include <asm/syscalls_32.h>
  30. #undef __SYSCALL_I386
  31. #define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym,
  32. typedef asmlinkage void (*sys_call_ptr_t)(void);
  33. extern asmlinkage void sys_ni_syscall(void);
  34. const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
  35. /*
  36. * Smells like a compiler bug -- it doesn't work
  37. * when the & below is removed.
  38. */
  39. [0 ... __NR_syscall_max] = &sys_ni_syscall,
  40. #include <asm/syscalls_32.h>
  41. };
  42. int syscall_table_size = sizeof(sys_call_table);