PR_SHADOW_STACK_WRITE
(PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE | PR_SHADOW_STACK_PUSH)
if (task->thread.gcs_el0_mode & PR_SHADOW_STACK_WRITE)
ret = gcs_set_status(PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE);
PR_SHADOW_STACK_WRITE);
.mode = PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE,
.mode = PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE |
PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE | PR_SHADOW_STACK_PUSH