PC_PTI_STACK_SZ
ASSYM(PC_PTI_STACK_SZ, PC_PTI_STACK_SZ);
PC_PTI_STACK_SZ * sizeof(uint64_t)));
CTASSERT(PC_PTI_STACK_SZ * sizeof(register_t) >= 2 * sizeof(struct pti_frame) -
PC_PTI_STACK_SZ * sizeof(uint64_t)));
uint64_t pc_pti_stack[PC_PTI_STACK_SZ]; \