539 	int             bufferIndex = 0;  in chudxnu_thread_get_callstack64_internal()  local
596 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
597 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
602 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
673 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
684 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
686 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
687 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
694 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
696 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
741 		bufferIndex = 0;  // start with a stack of size zero  in chudxnu_thread_get_callstack64_internal()
742 		buffer[bufferIndex++] = chudxnu_vm_unslide(currPC, kernel); // save PC in position 0.  in chudxnu_thread_get_callstack64_internal()
747 		while (bufferIndex < bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
808 				buffer[bufferIndex++] = chudxnu_vm_unslide(pc, kernel);  in chudxnu_thread_get_callstack64_internal()
819 		BUF_VERB(PERF_CS_BACKTRACE | DBG_FUNC_END, bufferIndex);  in chudxnu_thread_get_callstack64_internal()
822 		if (bufferIndex >= bufferMaxIndex) {  in chudxnu_thread_get_callstack64_internal()
823 			bufferIndex = bufferMaxIndex;  in chudxnu_thread_get_callstack64_internal()
831 		buffer[bufferIndex++] = chudxnu_vm_unslide(currLR, kernel);  in chudxnu_thread_get_callstack64_internal()
833 			buffer[bufferIndex++] = chudxnu_vm_unslide(currSP, kernel);  in chudxnu_thread_get_callstack64_internal()
837 	*count = bufferIndex;  in chudxnu_thread_get_callstack64_internal()
1145 	mach_msg_type_number_t bufferIndex = 0;  local
1270 	bufferIndex = 0;
1283 		kr = do_kernel_backtrace(thread, kregs, callstack, &bufferIndex, bufferMaxIndex);
1293 …if (address && KERN_SUCCESS == chudxnu_kern_read(&rsp, (vm_offset_t)address, size) && bufferIndex …
1294 			callstack[bufferIndex++] = (uint64_t)rsp;
1300 		kr = do_backtrace64(task, thread, regs64, callstack, &bufferIndex,
1304 		    bufferIndex < bufferMaxIndex) {
1305 			callstack[bufferIndex++] = rsp;
1311 		kr = do_backtrace32(task, thread, regs32, callstack, &bufferIndex,
1315 		    bufferIndex < bufferMaxIndex) {
1316 			callstack[bufferIndex++] = (uint64_t) esp;
1322 		kr = do_backtrace64(task, thread, u_regs64, callstack, &bufferIndex,
1326 		    bufferIndex < bufferMaxIndex) {
1327 			callstack[bufferIndex++] = rsp;
1332 		kr = do_backtrace32(task, thread, u_regs32, callstack, &bufferIndex,
1336 		    bufferIndex < bufferMaxIndex) {
1337 			callstack[bufferIndex++] = (uint64_t) esp;
1341 	*count = bufferIndex;