1/* 2 * Copyright (c) 2001-2006 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 23 unchanged lines hidden (view full) --- 32#include <ctype.h> 33#include <fstream> 34#include <iostream> 35#include <list> 36#include <string> 37#include <vector> 38 39#include "base/misc.hh" |
40#include "base/output.hh" |
41#include "base/str.hh" |
42#include "base/trace.hh" |
43#include "base/varargs.hh" 44 45using namespace std; 46 47namespace Trace { 48const string DefaultName("global"); 49FlagVec flags(NumFlags, false); 50bool enabled = true; 51 52// 53// This variable holds the output stream for debug information. Other 54// than setting up/redirecting this stream, do *NOT* reference this 55// directly; use DebugOut() (see below) to access this stream for 56// output. 57// 58ostream *dprintf_stream = &cerr; |
59ostream & 60output() |
61{ |
62 return *dprintf_stream; |
63} 64 |
65void |
66setOutput(const string &filename) |
67{ |
68 dprintf_stream = simout.find(filename); |
69} 70 |
71ObjectMatch ignore; |
72 |
73void 74dprintf(Tick when, const std::string &name, const char *format, 75 CPRINTF_DEFINITION) |
76{ |
77 if (!name.empty() && ignore.match(name)) 78 return; |
79 |
80 std::ostream &os = *dprintf_stream; |
81 |
82 string fmt = ""; 83 CPrintfArgsList args(VARARGS_ALLARGS); |
84 |
85 if (!name.empty()) { 86 fmt = "%s: " + fmt; 87 args.push_front(name); |
88 } 89 |
90 if (when != (Tick)-1) { 91 fmt = "%7d: " + fmt; 92 args.push_front(when); |
93 } 94 |
95 fmt += format; |
96 |
97 ccprintf(os, fmt.c_str(), args); 98 os.flush(); |
99} 100 |
101void |
102dump(Tick when, const std::string &name, const void *d, int len) |
103{ |
104 if (!name.empty() && ignore.match(name)) |
105 return; |
106 |
107 std::ostream &os = *dprintf_stream; |
108 |
109 string fmt = ""; |
110 CPrintfArgsList args; |
111 112 if (!name.empty()) { 113 fmt = "%s: " + fmt; 114 args.push_front(name); 115 } 116 |
117 if (when != (Tick)-1) { |
118 fmt = "%7d: " + fmt; |
119 args.push_front(when); |
120 } 121 |
122 const char *data = static_cast<const char *>(d); |
123 int c, i, j; |
124 for (i = 0; i < len; i += 16) { |
125 ccprintf(os, fmt, args); 126 ccprintf(os, "%08x ", i); |
127 c = len - i; 128 if (c > 16) c = 16; 129 130 for (j = 0; j < c; j++) { 131 ccprintf(os, "%02x ", data[i + j] & 0xff); 132 if ((j & 0xf) == 7 && j > 0) 133 ccprintf(os, " "); 134 } 135 136 for (; j < 16; j++) 137 ccprintf(os, " "); 138 ccprintf(os, " "); 139 140 for (j = 0; j < c; j++) { 141 int ch = data[i + j] & 0x7f; |
142 ccprintf(os, "%c", (char)(isprint(ch) ? ch : ' ')); |
143 } 144 145 ccprintf(os, "\n"); 146 147 if (c < 16) 148 break; 149 } 150} |
151 152bool 153changeFlag(const char *s, bool value) 154{ 155 using namespace Trace; 156 std::string str(s); 157 158 for (int i = 0; i < numFlagStrings; ++i) { 159 if (str != flagStrings[i]) 160 continue; 161 162 if (i < NumFlags) { 163 flags[i] = value; 164 } else { 165 i -= NumFlags; 166 167 const Flags *flagVec = compoundFlags[i]; 168 for (int j = 0; flagVec[j] != -1; ++j) { 169 if (flagVec[j] < NumFlags) 170 flags[flagVec[j]] = value; 171 } 172 } 173 174 return true; 175 } 176 177 // the flag was not found. 178 return false; 179} 180 181void 182dumpStatus() 183{ 184 using namespace Trace; 185 for (int i = 0; i < numFlagStrings; ++i) { 186 if (flags[i]) 187 cprintf("%s\n", flagStrings[i]); 188 } 189} 190 191/* namespace Trace */ } 192 193 194// add a set of functions that can easily be invoked from gdb 195extern "C" { 196 void 197 setTraceFlag(const char *string) 198 { 199 Trace::changeFlag(string, true); 200 } 201 202 void 203 clearTraceFlag(const char *string) 204 { 205 Trace::changeFlag(string, false); 206 } 207 208 void 209 dumpTraceStatus() 210 { 211 Trace::dumpStatus(); 212 } 213/* extern "C" */ } |