s390/kernel/vdso32/vdso_user_wrapper.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #include <asm/unistd.h>
   4 #include <asm/dwarf.h>
   5
   6 .macro vdso_syscall func,syscall
   7         .globl __kernel_compat_\func
   8         .type  __kernel_compat_\func,@function
   9         .align 8
  10 __kernel_compat_\func:
  11         CFI_STARTPROC
  12         svc     \syscall
  13         /* Make sure we notice when a syscall returns, which shouldn't happen */
  14         .word   0
  15         CFI_ENDPROC
  16         .size   __kernel_compat_\func,.-__kernel_compat_\func
  17 .endm
  18
  19 vdso_syscall restart_syscall,__NR_restart_syscall
  20 vdso_syscall sigreturn,__NR_sigreturn
  21 vdso_syscall rt_sigreturn,__NR_rt_sigreturn