104   StackFrameARM64* last_frame = static_cast<StackFrameARM64*>(frames.back());  in GetCallerByCFIFrameInfo()  local
117     if (last_frame->context_validity & StackFrameARM64::RegisterValidFlag(i))  in GetCallerByCFIFrameInfo()
118       callee_registers[register_names[i]] = last_frame->context.iregs[i];  in GetCallerByCFIFrameInfo()
137     } else if (19 <= i && i <= 29 && (last_frame->context_validity &  in GetCallerByCFIFrameInfo()
145       frame->context.iregs[i] = last_frame->context.iregs[i];  in GetCallerByCFIFrameInfo()
179   StackFrameARM64* last_frame = static_cast<StackFrameARM64*>(frames.back());  in GetCallerByStackScan()  local
180   uint64_t last_sp = last_frame->context.iregs[MD_CONTEXT_ARM64_REG_SP];  in GetCallerByStackScan()
199   frame->context = last_frame->context;  in GetCallerByStackScan()
210   StackFrameARM64* last_frame = static_cast<StackFrameARM64*>(frames.back());  in GetCallerByFramePointer()  local
211   if (!(last_frame->context_validity & StackFrameARM64::CONTEXT_VALID_LR)) {  in GetCallerByFramePointer()
212     CorrectRegLRByFramePointer(frames, last_frame);  in GetCallerByFramePointer()
215   uint64_t last_fp = last_frame->context.iregs[MD_CONTEXT_ARM64_REG_FP];  in GetCallerByFramePointer()
234       last_frame->context.iregs[MD_CONTEXT_ARM64_REG_SP];  in GetCallerByFramePointer()
241   frame->context = last_frame->context;  in GetCallerByFramePointer()
245       last_frame->context.iregs[MD_CONTEXT_ARM64_REG_LR];  in GetCallerByFramePointer()
256     StackFrameARM64* last_frame) {  in CorrectRegLRByFramePointer()  argument
259   if (frames.size() < 2 || !last_frame ||  in CorrectRegLRByFramePointer()
260       last_frame->context.iregs[MD_CONTEXT_ARM64_REG_FP] <=  in CorrectRegLRByFramePointer()
261           last_frame->context.iregs[MD_CONTEXT_ARM64_REG_SP])  in CorrectRegLRByFramePointer()
276   if (last_frame->context.iregs[MD_CONTEXT_ARM64_REG_FP] != last_fp)  in CorrectRegLRByFramePointer()
287   last_frame->context.iregs[MD_CONTEXT_ARM64_REG_LR] = last_lr;  in CorrectRegLRByFramePointer()
298   StackFrameARM64* last_frame = static_cast<StackFrameARM64*>(frames.back());  in GetCallerFrame()  local
303       frame_symbolizer_->FindCFIFrameInfo(last_frame));  in GetCallerFrame()
322                     last_frame->context.iregs[MD_CONTEXT_ARM64_REG_SP],  in GetCallerFrame()