arch/x86/entry/syscall_x32.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* System call table for x32 ABI. */
   3
   4 #include <linux/linkage.h>
   5 #include <linux/sys.h>
   6 #include <linux/cache.h>
   7 #include <linux/syscalls.h>
   8 #include <asm/syscall.h>
   9
  10 #define __SYSCALL(nr, sym) extern long __x64_##sym(const struct pt_regs *);
  11 #define __SYSCALL_NORETURN(nr, sym) extern long __noreturn __x64_##sym(const struct pt_regs *);
  12 #include <asm/syscalls_x32.h>
  13 #undef  __SYSCALL
  14
  15 #undef  __SYSCALL_NORETURN
  16 #define __SYSCALL_NORETURN __SYSCALL
  17
  18 #define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs);
  19 long x32_sys_call(const struct pt_regs *regs, unsigned int nr)
  20 {
  21         switch (nr) {
  22         #include <asm/syscalls_x32.h>
  23         default: return __x64_sys_ni_syscall(regs);
  24         }
  25 };