539 	int             bufferIndex = 0;  in chudxnu_thread_get_callstack64_internal()  local
600 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
601 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
606 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
685 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
696 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
698 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
699 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
706 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
708 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
753 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
754 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
759 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
820 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
831 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
834 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
835 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
843 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
845 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
849 	*count = bufferIndex;  in chudxnu_thread_get_callstack64_internal()
1157 	mach_msg_type_number_t bufferIndex = 0;  local
1282 	bufferIndex = 0;
1295 		kr = do_kernel_backtrace(thread, kregs, callstack, &bufferIndex, bufferMaxIndex);
1305 …if (address && KERN_SUCCESS == chudxnu_kern_read(&rsp, (vm_offset_t)address, size) && bufferIndex …
1306 			callstack[bufferIndex++] = (uint64_t)rsp;
1312 		kr = do_backtrace64(task, thread, regs64, callstack, &bufferIndex,
1316 		    bufferIndex < bufferMaxIndex) {
1317 			callstack[bufferIndex++] = rsp;
1323 		kr = do_backtrace32(task, thread, regs32, callstack, &bufferIndex,
1327 		    bufferIndex < bufferMaxIndex) {
1328 			callstack[bufferIndex++] = (uint64_t) esp;
1334 		kr = do_backtrace64(task, thread, u_regs64, callstack, &bufferIndex,
1338 		    bufferIndex < bufferMaxIndex) {
1339 			callstack[bufferIndex++] = rsp;
1344 		kr = do_backtrace32(task, thread, u_regs32, callstack, &bufferIndex,
1348 		    bufferIndex < bufferMaxIndex) {
1349 			callstack[bufferIndex++] = (uint64_t) esp;
1353 	*count = bufferIndex;