958 	uint64_t currFP = 0ULL;  local
964 	if (KERN_SUCCESS != chudxnu_kern_read(&currFP, (vm_offset_t)&(regs->k_rbp), sizeof(uint64_t))) {
969 	uint32_t currFP = 0U;  local
975 	if (KERN_SUCCESS != chudxnu_kern_read(&currFP, (vm_offset_t)&(regs->k_ebp), sizeof(uint32_t))) {
991 	while (VALID_STACK_ADDRESS64(TRUE, currFP, kernStackMin, kernStackMax)) {
993 		uint64_t caller = currFP + sizeof(uint64_t);
995 	while (VALID_STACK_ADDRESS(TRUE, currFP, kernStackMin, kernStackMax)) {
996 		uint32_t caller = (uint32_t)currFP + sizeof(uint32_t);
999 		if (!currFP || !currPC) {
1022 		kr = chudxnu_kern_read(&prevFP, (vm_offset_t)currFP, sizeof(currPC));
1032 		if (prevFP <= currFP) {
1035 			currFP = prevFP;
1057 	uint64_t currFP = (uint64_t) regs->ebp;  local
1071 	while (VALID_STACK_ADDRESS(supervisor, currFP, kernStackMin, kernStackMax)) {
1072 		cframe_t *fp = (cframe_t *) (uintptr_t) currFP;
1074 		if (!currFP) {
1114 		if (prevFP < currFP) {
1117 			currFP = prevFP;
1136 	uint64_t currFP = regs->rbp;  local
1150 	while (VALID_STACK_ADDRESS64(supervisor, currFP, kernStackMin, kernStackMax)) {
1152 		uint64_t caller = currFP + sizeof(uint64_t);
1154 		if (!currFP) {
1182 			kr = chudxnu_kern_read(&prevFP, (vm_offset_t)currFP, sizeof(uint64_t));
1184 			kr = chudxnu_task_read(task, &prevFP, currFP, sizeof(uint64_t));
1191 		if (prevFP < currFP) {
1194 			currFP = prevFP;