trace.cc revision 7811
12SN/A/* 24039Sbinkertn@umich.edu * Copyright (c) 2001-2006 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292665Ssaidi@eecs.umich.edu * Steve Reinhardt 302SN/A */ 312SN/A 322SN/A#include <ctype.h> 332SN/A#include <fstream> 342SN/A#include <iostream> 352SN/A#include <list> 362SN/A#include <string> 372SN/A#include <vector> 382SN/A 3956SN/A#include "base/misc.hh" 404046Sbinkertn@umich.edu#include "base/output.hh" 414046Sbinkertn@umich.edu#include "base/str.hh" 4256SN/A#include "base/trace.hh" 434039Sbinkertn@umich.edu#include "base/varargs.hh" 442SN/A 452SN/Ausing namespace std; 462SN/A 472SN/Anamespace Trace { 482SN/Aconst string DefaultName("global"); 492SN/AFlagVec flags(NumFlags, false); 504074Sbinkertn@umich.edubool enabled = false; 512SN/A 522SN/A// 532SN/A// This variable holds the output stream for debug information. Other 542SN/A// than setting up/redirecting this stream, do *NOT* reference this 552SN/A// directly; use DebugOut() (see below) to access this stream for 562SN/A// output. 572SN/A// 58488SN/Aostream *dprintf_stream = &cerr; 594046Sbinkertn@umich.eduostream & 604046Sbinkertn@umich.eduoutput() 614046Sbinkertn@umich.edu{ 624046Sbinkertn@umich.edu return *dprintf_stream; 634046Sbinkertn@umich.edu} 644046Sbinkertn@umich.edu 654046Sbinkertn@umich.eduvoid 664046Sbinkertn@umich.edusetOutput(const string &filename) 674046Sbinkertn@umich.edu{ 684046Sbinkertn@umich.edu dprintf_stream = simout.find(filename); 694046Sbinkertn@umich.edu} 702SN/A 711031SN/AObjectMatch ignore; 722SN/A 734046Sbinkertn@umich.eduvoid 744046Sbinkertn@umich.edudprintf(Tick when, const std::string &name, const char *format, 754046Sbinkertn@umich.edu CPRINTF_DEFINITION) 764046Sbinkertn@umich.edu{ 774046Sbinkertn@umich.edu if (!name.empty() && ignore.match(name)) 784046Sbinkertn@umich.edu return; 792SN/A 804046Sbinkertn@umich.edu std::ostream &os = *dprintf_stream; 812SN/A 822SN/A string fmt = ""; 834046Sbinkertn@umich.edu CPrintfArgsList args(VARARGS_ALLARGS); 842SN/A 852SN/A if (!name.empty()) { 862SN/A fmt = "%s: " + fmt; 874039Sbinkertn@umich.edu args.push_front(name); 882SN/A } 892SN/A 904046Sbinkertn@umich.edu if (when != (Tick)-1) { 912SN/A fmt = "%7d: " + fmt; 924046Sbinkertn@umich.edu args.push_front(when); 932SN/A } 942SN/A 952SN/A fmt += format; 962SN/A 974039Sbinkertn@umich.edu ccprintf(os, fmt.c_str(), args); 982SN/A os.flush(); 992SN/A} 1002SN/A 1014046Sbinkertn@umich.eduvoid 1024046Sbinkertn@umich.edudump(Tick when, const std::string &name, const void *d, int len) 1032SN/A{ 1044046Sbinkertn@umich.edu if (!name.empty() && ignore.match(name)) 1054046Sbinkertn@umich.edu return; 1062SN/A 1074046Sbinkertn@umich.edu std::ostream &os = *dprintf_stream; 1082SN/A 1094046Sbinkertn@umich.edu string fmt = ""; 1104046Sbinkertn@umich.edu CPrintfArgsList args; 1114046Sbinkertn@umich.edu 1124046Sbinkertn@umich.edu if (!name.empty()) { 1134046Sbinkertn@umich.edu fmt = "%s: " + fmt; 1144046Sbinkertn@umich.edu args.push_front(name); 1154046Sbinkertn@umich.edu } 1164046Sbinkertn@umich.edu 1174046Sbinkertn@umich.edu if (when != (Tick)-1) { 1184046Sbinkertn@umich.edu fmt = "%7d: " + fmt; 1194046Sbinkertn@umich.edu args.push_front(when); 1204046Sbinkertn@umich.edu } 1214046Sbinkertn@umich.edu 1224046Sbinkertn@umich.edu const char *data = static_cast<const char *>(d); 1232SN/A int c, i, j; 1242SN/A for (i = 0; i < len; i += 16) { 1254046Sbinkertn@umich.edu ccprintf(os, fmt, args); 1264046Sbinkertn@umich.edu ccprintf(os, "%08x ", i); 1272SN/A c = len - i; 1282SN/A if (c > 16) c = 16; 1292SN/A 1302SN/A for (j = 0; j < c; j++) { 1312SN/A ccprintf(os, "%02x ", data[i + j] & 0xff); 1322SN/A if ((j & 0xf) == 7 && j > 0) 1332SN/A ccprintf(os, " "); 1342SN/A } 1352SN/A 1362SN/A for (; j < 16; j++) 1372SN/A ccprintf(os, " "); 1382SN/A ccprintf(os, " "); 1392SN/A 1402SN/A for (j = 0; j < c; j++) { 1412SN/A int ch = data[i + j] & 0x7f; 1424046Sbinkertn@umich.edu ccprintf(os, "%c", (char)(isprint(ch) ? ch : ' ')); 1432SN/A } 1442SN/A 1452SN/A ccprintf(os, "\n"); 1462SN/A 1472SN/A if (c < 16) 1482SN/A break; 1492SN/A } 1502SN/A} 1514046Sbinkertn@umich.edu 1524046Sbinkertn@umich.edubool 1534046Sbinkertn@umich.educhangeFlag(const char *s, bool value) 1544046Sbinkertn@umich.edu{ 1554046Sbinkertn@umich.edu using namespace Trace; 1564046Sbinkertn@umich.edu std::string str(s); 1574046Sbinkertn@umich.edu 1584046Sbinkertn@umich.edu for (int i = 0; i < numFlagStrings; ++i) { 1594046Sbinkertn@umich.edu if (str != flagStrings[i]) 1604046Sbinkertn@umich.edu continue; 1614046Sbinkertn@umich.edu 1624046Sbinkertn@umich.edu if (i < NumFlags) { 1634046Sbinkertn@umich.edu flags[i] = value; 1644046Sbinkertn@umich.edu } else { 1654046Sbinkertn@umich.edu i -= NumFlags; 1664046Sbinkertn@umich.edu 1674046Sbinkertn@umich.edu const Flags *flagVec = compoundFlags[i]; 1684046Sbinkertn@umich.edu for (int j = 0; flagVec[j] != -1; ++j) { 1694046Sbinkertn@umich.edu if (flagVec[j] < NumFlags) 1704046Sbinkertn@umich.edu flags[flagVec[j]] = value; 1714046Sbinkertn@umich.edu } 1724046Sbinkertn@umich.edu } 1734046Sbinkertn@umich.edu 1744046Sbinkertn@umich.edu return true; 1754046Sbinkertn@umich.edu } 1764046Sbinkertn@umich.edu 1774046Sbinkertn@umich.edu // the flag was not found. 1784046Sbinkertn@umich.edu return false; 1794046Sbinkertn@umich.edu} 1804046Sbinkertn@umich.edu 1814046Sbinkertn@umich.eduvoid 1824046Sbinkertn@umich.edudumpStatus() 1834046Sbinkertn@umich.edu{ 1844046Sbinkertn@umich.edu using namespace Trace; 1854046Sbinkertn@umich.edu for (int i = 0; i < numFlagStrings; ++i) { 1864046Sbinkertn@umich.edu if (flags[i]) 1874046Sbinkertn@umich.edu cprintf("%s\n", flagStrings[i]); 1884046Sbinkertn@umich.edu } 1894046Sbinkertn@umich.edu} 1904046Sbinkertn@umich.edu 1917811Ssteve.reinhardt@amd.com} // namespace Trace 1924046Sbinkertn@umich.edu 1934046Sbinkertn@umich.edu 1944046Sbinkertn@umich.edu// add a set of functions that can easily be invoked from gdb 1954212Ssaidi@eecs.umich.eduvoid 1964212Ssaidi@eecs.umich.edusetTraceFlag(const char *string) 1974212Ssaidi@eecs.umich.edu{ 1984212Ssaidi@eecs.umich.edu Trace::changeFlag(string, true); 1994212Ssaidi@eecs.umich.edu} 2004046Sbinkertn@umich.edu 2014212Ssaidi@eecs.umich.eduvoid 2024212Ssaidi@eecs.umich.educlearTraceFlag(const char *string) 2034212Ssaidi@eecs.umich.edu{ 2044212Ssaidi@eecs.umich.edu Trace::changeFlag(string, false); 2054212Ssaidi@eecs.umich.edu} 2064046Sbinkertn@umich.edu 2074212Ssaidi@eecs.umich.eduvoid 2084212Ssaidi@eecs.umich.edudumpTraceStatus() 2094212Ssaidi@eecs.umich.edu{ 2104212Ssaidi@eecs.umich.edu Trace::dumpStatus(); 2114212Ssaidi@eecs.umich.edu} 212