trace.cc revision 10292:933dfb9d8279
12SN/A/* 21762SN/A * 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. 272665SN/A * 282665SN/A * Authors: Nathan Binkert 292SN/A * Steve Reinhardt 302SN/A */ 312SN/A 322SN/A#include <cctype> 332SN/A#include <fstream> 3411263Sandreas.sandberg@arm.com#include <iostream> 352SN/A#include <string> 362SN/A 372SN/A#include "base/misc.hh" 381015SN/A#include "base/output.hh" 392SN/A#include "base/str.hh" 402SN/A#include "base/trace.hh" 41599SN/A 421388SN/Ausing namespace std; 434167SN/A 442SN/Anamespace Trace { 452SN/A 462SN/Aconst string DefaultName("global"); 475034SN/Abool enabled = false; 485402SN/A 495034SN/A// 502SN/A// This variable holds the output stream for debug information. Other 512SN/A// than setting up/redirecting this stream, do *NOT* reference this 522SN/A// directly; use DebugOut() (see below) to access this stream for 535543SN/A// output. 545543SN/A// 555543SN/Aostream *dprintf_stream = &cerr; 565543SN/Aostream & 572SN/Aoutput() 582SN/A{ 592SN/A return *dprintf_stream; 602SN/A} 612SN/A 625543SN/Avoid 635543SN/AsetOutput(const string &filename) 645543SN/A{ 655543SN/A dprintf_stream = simout.find(filename); 662SN/A if (!dprintf_stream) 672SN/A dprintf_stream = simout.create(filename); 682SN/A} 69599SN/A 70599SN/AObjectMatch ignore; 715543SN/A 725543SN/A 732SN/Abool 742SN/A__dprintf_prologue(Tick when, const std::string &name) 752SN/A{ 762SN/A if (!name.empty() && ignore.match(name)) 772SN/A return false; 782SN/A 792SN/A std::ostream &os = *dprintf_stream; 802SN/A 812SN/A if (when != MaxTick) 822SN/A ccprintf(os, "%7d: ", when); 835878SN/A 842SN/A if (!name.empty()) 852SN/A os << name << ": "; 862SN/A 872SN/A return true; 885402SN/A} 892SN/A 905402SN/Avoid 912SN/Adump(Tick when, const std::string &name, const void *d, int len) 922SN/A{ 932SN/A const char *data = static_cast<const char *>(d); 942566SN/A std::ostream &os = *dprintf_stream; 952SN/A int c, i, j; 962SN/A 977823SN/A for (i = 0; i < len; i += 16) { 987823SN/A if (!__dprintf_prologue(when, name)) 991015SN/A return; 1002SN/A 1015402SN/A ccprintf(os, "%08x ", i); 1025402SN/A c = len - i; 1035402SN/A if (c > 16) c = 16; 1042SN/A 1052SN/A for (j = 0; j < c; j++) { 1064762SN/A ccprintf(os, "%02x ", data[i + j] & 0xff); 1074762SN/A if ((j & 0xf) == 7 && j > 0) 1082SN/A ccprintf(os, " "); 1095034SN/A } 1102SN/A 111 for (; j < 16; j++) 112 ccprintf(os, " "); 113 ccprintf(os, " "); 114 115 for (j = 0; j < c; j++) { 116 int ch = data[i + j] & 0x7f; 117 ccprintf(os, "%c", (char)(isprint(ch) ? ch : ' ')); 118 } 119 120 ccprintf(os, "\n"); 121 122 if (c < 16) 123 break; 124 } 125} 126 127} // namespace Trace 128