131   StackFrameAMD64* last_frame = static_cast<StackFrameAMD64*>(frames.back());  in GetCallerByCFIFrameInfo()  local
136                            last_frame->context, last_frame->context_validity,  in GetCallerByCFIFrameInfo()
152   StackFrameAMD64* last_frame = static_cast<StackFrameAMD64*>(frames.back());  in GetCallerByFramePointerRecovery()  local
153   uint64_t last_rsp = last_frame->context.rsp;  in GetCallerByFramePointerRecovery()
154   uint64_t last_rbp = last_frame->context.rbp;  in GetCallerByFramePointerRecovery()
183     frame->context = last_frame->context;  in GetCallerByFramePointerRecovery()
198   StackFrameAMD64* last_frame = static_cast<StackFrameAMD64*>(frames.back());  in GetCallerByStackScan()  local
199   uint64_t last_rsp = last_frame->context.rsp;  in GetCallerByStackScan()
213   frame->context = last_frame->context;  in GetCallerByStackScan()
223   if (last_frame->context_validity & StackFrameAMD64::CONTEXT_VALID_RBP) {  in GetCallerByStackScan()
228     if (caller_rip_address - 8 == last_frame->context.rbp) {  in GetCallerByStackScan()
230       if (memory_->GetMemoryAtAddress(last_frame->context.rbp, &caller_rbp) &&  in GetCallerByStackScan()
235     } else if (last_frame->context.rbp >= caller_rip_address + 8) {  in GetCallerByStackScan()
238       frame->context.rbp = last_frame->context.rbp;  in GetCallerByStackScan()
254   StackFrameAMD64* last_frame = static_cast<StackFrameAMD64*>(frames.back());  in GetCallerFrame()  local
259       frame_symbolizer_->FindCFIFrameInfo(last_frame));  in GetCallerFrame()
294   if (new_frame->context.rsp <= last_frame->context.rsp)  in GetCallerFrame()