192 void WritePrefix(std::ostream& os, const char* prefix, bool odd) {  in WritePrefix()  argument
193   if (prefix != nullptr) {  in WritePrefix()
194     os << prefix;  in WritePrefix()
203            const char* prefix,  in Drain()  argument
252         WritePrefix(os, prefix, (*pipe)->odd);  in Drain()
279                const char* prefix,  in Addr2line()  argument
292       Drain(0, prefix, pipe, os);  in Addr2line()
324   Drain(2U, prefix, pipe, os);  in Addr2line()
509                 const char* prefix) {  in DumpThread()  argument
519     LOG(ERROR) << prefix << "(Unwind failed for thread " << tid << ": "  in DumpThread()
528     oss << prefix << StringPrintf("#%02zu pc ", frame.num);  in DumpThread()
565                            prefix,  in DumpThread()
571     addr2line::Drain(0, prefix, &addr2line_state, LOG_STREAM(ERROR));  in DumpThread()