sys_call_table_64.c 1.0 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c
  4. * with some changes for UML.
  5. */
  6. #include <linux/linkage.h>
  7. #include <linux/sys.h>
  8. #include <linux/cache.h>
  9. #include <asm/syscall.h>
  10. extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long,
  11. unsigned long, unsigned long,
  12. unsigned long, unsigned long);
  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. /* Not going to be implemented by UML, since we have no hardware. */
  18. #define sys_iopl sys_ni_syscall
  19. #define sys_ioperm sys_ni_syscall
  20. #define __SYSCALL_NORETURN __SYSCALL
  21. #define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
  22. #include <asm/syscalls_64.h>
  23. #undef __SYSCALL
  24. #define __SYSCALL(nr, sym) sym,
  25. const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
  26. #include <asm/syscalls_64.h>
  27. };
  28. int syscall_table_size = sizeof(sys_call_table);