576 	int             bufferIndex = 0;  in chudxnu_thread_get_callstack64_internal()  local
637 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
638 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
643 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
722 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
733 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
735 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
736 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
743 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
745 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
790 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
791 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
796 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
857 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
868 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
871 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
872 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
880 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
882 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
886 	*count = bufferIndex;  in chudxnu_thread_get_callstack64_internal()
1194 	mach_msg_type_number_t bufferIndex = 0;  local
1319 	bufferIndex = 0;
1332 		kr = do_kernel_backtrace(thread, kregs, callstack, &bufferIndex, bufferMaxIndex);
1342 …if (address && KERN_SUCCESS == chudxnu_kern_read(&rsp, (vm_offset_t)address, size) && bufferIndex …
1343 			callstack[bufferIndex++] = (uint64_t)rsp;
1349 		kr = do_backtrace64(task, thread, regs64, callstack, &bufferIndex,
1353 		    bufferIndex < bufferMaxIndex) {
1354 			callstack[bufferIndex++] = rsp;
1360 		kr = do_backtrace32(task, thread, regs32, callstack, &bufferIndex,
1364 		    bufferIndex < bufferMaxIndex) {
1365 			callstack[bufferIndex++] = (uint64_t) esp;
1371 		kr = do_backtrace64(task, thread, u_regs64, callstack, &bufferIndex,
1375 		    bufferIndex < bufferMaxIndex) {
1376 			callstack[bufferIndex++] = rsp;
1381 		kr = do_backtrace32(task, thread, u_regs32, callstack, &bufferIndex,
1385 		    bufferIndex < bufferMaxIndex) {
1386 			callstack[bufferIndex++] = (uint64_t) esp;
1390 	*count = bufferIndex;