trace.cc revision 10475
12SN/A/* 210475SAndrew.Bardsley@arm.com * Copyright (c) 2014 ARM Limited 310475SAndrew.Bardsley@arm.com * All rights reserved 410475SAndrew.Bardsley@arm.com * 54039Sbinkertn@umich.edu * Copyright (c) 2001-2006 The Regents of The University of Michigan 62SN/A * All rights reserved. 72SN/A * 82SN/A * Redistribution and use in source and binary forms, with or without 92SN/A * modification, are permitted provided that the following conditions are 102SN/A * met: redistributions of source code must retain the above copyright 112SN/A * notice, this list of conditions and the following disclaimer; 122SN/A * redistributions in binary form must reproduce the above copyright 132SN/A * notice, this list of conditions and the following disclaimer in the 142SN/A * documentation and/or other materials provided with the distribution; 152SN/A * neither the name of the copyright holders nor the names of its 162SN/A * contributors may be used to endorse or promote products derived from 172SN/A * this software without specific prior written permission. 182SN/A * 192SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 202SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 212SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 222SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 232SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 242SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 252SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 262SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 272SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 282SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 292SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 302665Ssaidi@eecs.umich.edu * 312665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 322665Ssaidi@eecs.umich.edu * Steve Reinhardt 3310475SAndrew.Bardsley@arm.com * Andrew Bardsley 342SN/A */ 352SN/A 368229Snate@binkert.org#include <cctype> 372SN/A#include <fstream> 382SN/A#include <iostream> 3910475SAndrew.Bardsley@arm.com#include <sstream> 402SN/A#include <string> 412SN/A 4256SN/A#include "base/misc.hh" 434046Sbinkertn@umich.edu#include "base/output.hh" 444046Sbinkertn@umich.edu#include "base/str.hh" 4556SN/A#include "base/trace.hh" 462SN/A 4710475SAndrew.Bardsley@arm.comconst std::string &name() 4810475SAndrew.Bardsley@arm.com{ 4910475SAndrew.Bardsley@arm.com static const std::string default_name("global"); 502SN/A 5110475SAndrew.Bardsley@arm.com return default_name; 5210475SAndrew.Bardsley@arm.com} 538232Snate@binkert.org 5410475SAndrew.Bardsley@arm.comnamespace Trace 5510475SAndrew.Bardsley@arm.com{ 5610475SAndrew.Bardsley@arm.com 574074Sbinkertn@umich.edubool enabled = false; 582SN/A 5910475SAndrew.Bardsley@arm.com// This variable holds the output logger for debug information. Other 6010475SAndrew.Bardsley@arm.com// than setting up/redirecting this logger, do *NOT* reference this 6110475SAndrew.Bardsley@arm.com// directly 6210475SAndrew.Bardsley@arm.com 6310475SAndrew.Bardsley@arm.comLogger *debug_logger = NULL; 6410475SAndrew.Bardsley@arm.com 6510475SAndrew.Bardsley@arm.comLogger * 6610475SAndrew.Bardsley@arm.comgetDebugLogger() 6710475SAndrew.Bardsley@arm.com{ 6810475SAndrew.Bardsley@arm.com /* Set a default logger to cerr when no other logger is set */ 6910475SAndrew.Bardsley@arm.com if (!debug_logger) 7010475SAndrew.Bardsley@arm.com debug_logger = new OstreamLogger(std::cerr); 7110475SAndrew.Bardsley@arm.com 7210475SAndrew.Bardsley@arm.com return debug_logger; 7310475SAndrew.Bardsley@arm.com} 7410475SAndrew.Bardsley@arm.com 7510475SAndrew.Bardsley@arm.comstd::ostream & 764046Sbinkertn@umich.eduoutput() 774046Sbinkertn@umich.edu{ 7810475SAndrew.Bardsley@arm.com return getDebugLogger()->getOstream(); 794046Sbinkertn@umich.edu} 804046Sbinkertn@umich.edu 814046Sbinkertn@umich.eduvoid 8210475SAndrew.Bardsley@arm.comsetDebugLogger(Logger *logger) 834046Sbinkertn@umich.edu{ 8410475SAndrew.Bardsley@arm.com if (!logger) 8510475SAndrew.Bardsley@arm.com warn("Trying to set debug logger to NULL\n"); 8610475SAndrew.Bardsley@arm.com else 8710475SAndrew.Bardsley@arm.com debug_logger = logger; 884046Sbinkertn@umich.edu} 892SN/A 901031SN/AObjectMatch ignore; 912SN/A 9210475SAndrew.Bardsley@arm.comvoid 9310475SAndrew.Bardsley@arm.comLogger::dump(Tick when, const std::string &name, const void *d, int len) 944046Sbinkertn@umich.edu{ 954046Sbinkertn@umich.edu if (!name.empty() && ignore.match(name)) 9610475SAndrew.Bardsley@arm.com return; 972SN/A 9810292SAndreas.Sandberg@ARM.com const char *data = static_cast<const char *>(d); 9910292SAndreas.Sandberg@ARM.com int c, i, j; 1002SN/A 10110292SAndreas.Sandberg@ARM.com for (i = 0; i < len; i += 16) { 10210475SAndrew.Bardsley@arm.com std::ostringstream line; 1032SN/A 10410475SAndrew.Bardsley@arm.com ccprintf(line, "%08x ", i); 1052SN/A c = len - i; 1062SN/A if (c > 16) c = 16; 1072SN/A 1082SN/A for (j = 0; j < c; j++) { 10910475SAndrew.Bardsley@arm.com ccprintf(line, "%02x ", data[i + j] & 0xff); 1102SN/A if ((j & 0xf) == 7 && j > 0) 11110475SAndrew.Bardsley@arm.com ccprintf(line, " "); 1122SN/A } 1132SN/A 1142SN/A for (; j < 16; j++) 11510475SAndrew.Bardsley@arm.com ccprintf(line, " "); 11610475SAndrew.Bardsley@arm.com ccprintf(line, " "); 1172SN/A 1182SN/A for (j = 0; j < c; j++) { 1192SN/A int ch = data[i + j] & 0x7f; 12010475SAndrew.Bardsley@arm.com ccprintf(line, "%c", (char)(isprint(ch) ? ch : ' ')); 1212SN/A } 1222SN/A 12310475SAndrew.Bardsley@arm.com ccprintf(line, "\n"); 12410475SAndrew.Bardsley@arm.com logMessage(when, name, line.str()); 1252SN/A 1262SN/A if (c < 16) 1272SN/A break; 1282SN/A } 1292SN/A} 1304046Sbinkertn@umich.edu 13110475SAndrew.Bardsley@arm.comvoid 13210475SAndrew.Bardsley@arm.comOstreamLogger::logMessage(Tick when, const std::string &name, 13310475SAndrew.Bardsley@arm.com const std::string &message) 13410475SAndrew.Bardsley@arm.com{ 13510475SAndrew.Bardsley@arm.com if (!name.empty() && ignore.match(name)) 13610475SAndrew.Bardsley@arm.com return; 13710475SAndrew.Bardsley@arm.com 13810475SAndrew.Bardsley@arm.com if (when != MaxTick) 13910475SAndrew.Bardsley@arm.com ccprintf(stream, "%7d: ", when); 14010475SAndrew.Bardsley@arm.com 14110475SAndrew.Bardsley@arm.com if (!name.empty()) 14210475SAndrew.Bardsley@arm.com stream << name << ": "; 14310475SAndrew.Bardsley@arm.com 14410475SAndrew.Bardsley@arm.com stream << message; 14510475SAndrew.Bardsley@arm.com stream.flush(); 14610475SAndrew.Bardsley@arm.com} 14710475SAndrew.Bardsley@arm.com 1487811Ssteve.reinhardt@amd.com} // namespace Trace 149