my_syscall2
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS, 0);
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,
ret = my_syscall2(__NR_prctl, PR_GET_SHADOW_STACK_STATUS, &gcs_mode);
ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS,