aarch64_strip_pac
lr = aarch64_strip_pac(lr);
pc = aarch64_strip_pac(tf_buf.tf_lr) - 4;
lr0 = aarch64_strip_pac(tf_buf.tf_lr);
pc = aarch64_strip_pac(tf_buf.tf_lr) - 4;
lr0 = aarch64_strip_pac(tf_buf.tf_lr);
lr = aarch64_strip_pac(lr);
lr = aarch64_strip_pac(lr);
lr = aarch64_strip_pac(lr);