596 	int             bufferIndex = 0;  in chudxnu_thread_get_callstack64_internal()  local
657 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
658 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
663 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
742 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
753 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
755 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
756 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
763 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
765 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
810 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
811 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
816 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
877 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
888 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
891 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
892 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
900 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
902 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
906 	*count = bufferIndex;  in chudxnu_thread_get_callstack64_internal()
1214 	mach_msg_type_number_t bufferIndex = 0;  local
1339 	bufferIndex = 0;
1352 		kr = do_kernel_backtrace(thread, kregs, callstack, &bufferIndex, bufferMaxIndex);
1362 …if (address && KERN_SUCCESS == chudxnu_kern_read(&rsp, (vm_offset_t)address, size) && bufferIndex …
1363 			callstack[bufferIndex++] = (uint64_t)rsp;
1369 		kr = do_backtrace64(task, thread, regs64, callstack, &bufferIndex,
1373 		    bufferIndex < bufferMaxIndex) {
1374 			callstack[bufferIndex++] = rsp;
1380 		kr = do_backtrace32(task, thread, regs32, callstack, &bufferIndex,
1384 		    bufferIndex < bufferMaxIndex) {
1385 			callstack[bufferIndex++] = (uint64_t) esp;
1391 		kr = do_backtrace64(task, thread, u_regs64, callstack, &bufferIndex,
1395 		    bufferIndex < bufferMaxIndex) {
1396 			callstack[bufferIndex++] = rsp;
1401 		kr = do_backtrace32(task, thread, u_regs32, callstack, &bufferIndex,
1405 		    bufferIndex < bufferMaxIndex) {
1406 			callstack[bufferIndex++] = (uint64_t) esp;
1410 	*count = bufferIndex;