1/* 2 * Copyright (c) 2004-2005 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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 * Ali Saidi 30 */ 31 32#include <sys/types.h> 33#include <algorithm> 34 35#include "base/trace.hh" 36#include "arch/arguments.hh" 37 38using namespace std; 39 40 41void 42Printk(TheISA::Arguments args) 43{
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44 std::ostream &out = Trace::output(); |
45 char *p = (char *)args++; 46
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46 ios::fmtflags saved_flags = DebugOut().flags();
47 char old_fill = DebugOut().fill();
48 int old_precision = DebugOut().precision();
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47 ios::fmtflags saved_flags = out.flags(); 48 char old_fill = out.fill(); 49 int old_precision = out.precision(); |
50 51 while (*p) { 52 switch (*p) { 53 case '%': { 54 bool more = true; 55 bool islong = false; 56 bool leftjustify = false; 57 bool format = false; 58 bool zero = false; 59 int width = 0; 60 while (more && *++p) { 61 switch (*p) { 62 case 'l': 63 case 'L': 64 islong = true; 65 break; 66 case '-': 67 leftjustify = true; 68 break; 69 case '#': 70 format = true; 71 break; 72 case '0': 73 if (width) 74 width *= 10; 75 else 76 zero = true; 77 break; 78 default: 79 if (*p >= '1' && *p <= '9') 80 width = 10 * width + *p - '0'; 81 else 82 more = false; 83 break; 84 } 85 } 86 87 bool hexnum = false; 88 bool octal = false; 89 bool sign = false; 90 switch (*p) { 91 case 'X': 92 case 'x': 93 hexnum = true; 94 break; 95 case 'O': 96 case 'o': 97 octal = true; 98 break; 99 case 'D': 100 case 'd': 101 sign = true; 102 break; 103 case 'P': 104 format = true; 105 case 'p': 106 hexnum = true; 107 break; 108 } 109 110 switch (*p) { 111 case 'D': 112 case 'd': 113 case 'U': 114 case 'u': 115 case 'X': 116 case 'x': 117 case 'O': 118 case 'o': 119 case 'P': 120 case 'p': { 121 if (hexnum)
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121 DebugOut() << hex;
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122 out << hex; |
123 124 if (octal)
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124 DebugOut() << oct;
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125 out << oct; |
126 127 if (format) { 128 if (!zero)
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128 DebugOut().setf(ios::showbase);
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129 out.setf(ios::showbase); |
130 else { 131 if (hexnum) {
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131 DebugOut() << "0x";
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132 out << "0x"; |
133 width -= 2; 134 } else if (octal) {
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134 DebugOut() << "0";
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135 out << "0"; |
136 width -= 1; 137 } 138 } 139 } 140 141 if (zero)
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141 DebugOut().fill('0');
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142 out.fill('0'); |
143 144 if (width > 0)
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144 DebugOut().width(width);
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145 out.width(width); |
146 147 if (leftjustify && !zero)
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147 DebugOut().setf(ios::left);
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148 out.setf(ios::left); |
149 150 if (sign) { 151 if (islong)
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151 DebugOut() << (int64_t)args;
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152 out << (int64_t)args; |
153 else
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153 DebugOut() << (int32_t)args;
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154 out << (int32_t)args; |
155 } else { 156 if (islong)
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156 DebugOut() << (uint64_t)args;
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157 out << (uint64_t)args; |
158 else
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158 DebugOut() << (uint32_t)args;
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159 out << (uint32_t)args; |
160 } 161 162 if (zero)
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162 DebugOut().fill(' ');
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163 out.fill(' '); |
164 165 if (width > 0)
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165 DebugOut().width(0);
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166 out.width(0); |
167
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167 DebugOut() << dec;
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168 out << dec; |
169 170 ++args; 171 } 172 break; 173 174 case 's': { 175 char *s = (char *)args; 176 if (!s) 177 s = "<NULL>"; 178 179 if (width > 0)
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179 DebugOut().width(width);
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180 out.width(width); |
181 if (leftjustify)
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181 DebugOut().setf(ios::left);
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182 out.setf(ios::left); |
183
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183 DebugOut() << s;
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184 out << s; |
185 ++args; 186 } 187 break; 188 case 'C': 189 case 'c': { 190 uint64_t mask = (*p == 'C') ? 0xffL : 0x7fL; 191 uint64_t num; 192 int width; 193 194 if (islong) { 195 num = (uint64_t)args; 196 width = sizeof(uint64_t); 197 } else { 198 num = (uint32_t)args; 199 width = sizeof(uint32_t); 200 } 201 202 while (width-- > 0) { 203 char c = (char)(num & mask); 204 if (c)
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204 DebugOut() << c;
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205 out << c; |
206 num >>= 8; 207 } 208 209 ++args; 210 } 211 break; 212 case 'b': { 213 uint64_t n = (uint64_t)args++; 214 char *s = (char *)args++;
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214 DebugOut() << s << ": " << n;
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215 out << s << ": " << n; |
216 } 217 break; 218 case 'n': 219 case 'N': { 220 args += 2; 221#if 0 222 uint64_t n = (uint64_t)args++; 223 struct reg_values *rv = (struct reg_values *)args++; 224#endif 225 } 226 break; 227 case 'r': 228 case 'R': { 229 args += 2; 230#if 0 231 uint64_t n = (uint64_t)args++; 232 struct reg_desc *rd = (struct reg_desc *)args++; 233#endif 234 } 235 break; 236 case '%':
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236 DebugOut() << '%';
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237 out << '%'; |
238 break; 239 } 240 ++p; 241 } 242 break; 243 case '\n':
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243 DebugOut() << endl;
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244 out << endl; |
245 ++p; 246 break; 247 case '\r': 248 ++p; 249 if (*p != '\n')
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249 DebugOut() << endl;
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250 out << endl; |
251 break; 252 253 default: { 254 size_t len = strcspn(p, "%\n\r\0");
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254 DebugOut().write(p, len);
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255 out.write(p, len); |
256 p += len; 257 } 258 } 259 } 260
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260 DebugOut().flags(saved_flags);
261 DebugOut().fill(old_fill);
262 DebugOut().precision(old_precision);
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261 out.flags(saved_flags); 262 out.fill(old_fill); 263 out.precision(old_precision); |
264} 265
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