1/*
| 1/*
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| 2 * Copyright (c) 2015 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2013 Andreas Sandberg
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2 * Copyright (c) 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 * Chris Emmons
| 15 * Copyright (c) 2005 The Regents of The University of Michigan 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are 20 * met: redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer; 22 * redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution; 25 * neither the name of the copyright holders nor the names of its 26 * contributors may be used to endorse or promote products derived from 27 * this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Authors: Nathan Binkert 42 * Chris Emmons
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| 43 * Andreas Sandberg 44 * Sascha Bischoff
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30 */ 31 32#include <sys/stat.h> 33#include <sys/types.h> 34#include <dirent.h> 35#include <unistd.h> 36 37#include <cassert> 38#include <cerrno> 39#include <climits> 40#include <cstdlib> 41#include <fstream> 42 43#include <zfstream.h> 44 45#include "base/misc.hh" 46#include "base/output.hh" 47 48using namespace std; 49 50OutputDirectory simout; 51
| 45 */ 46 47#include <sys/stat.h> 48#include <sys/types.h> 49#include <dirent.h> 50#include <unistd.h> 51 52#include <cassert> 53#include <cerrno> 54#include <climits> 55#include <cstdlib> 56#include <fstream> 57 58#include <zfstream.h> 59 60#include "base/misc.hh" 61#include "base/output.hh" 62 63using namespace std; 64 65OutputDirectory simout; 66
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| 67 68OutputStream::OutputStream(const std::string &name, std::ostream *stream) 69 : _name(name), _stream(stream) 70{ 71} 72 73OutputStream::~OutputStream() 74{ 75} 76 77void 78OutputStream::relocate(const OutputDirectory &dir) 79{ 80} 81 82template<class StreamType> 83OutputFile<StreamType>::OutputFile(const OutputDirectory &dir, 84 const std::string &name, 85 std::ios_base::openmode mode, 86 bool recreateable) 87 : OutputStream(name, new stream_type_t()), 88 _mode(mode), _recreateable(recreateable), 89 _fstream(static_cast<stream_type_t *>(_stream)) 90{ 91 _fstream->open(dir.resolve(_name).c_str(), _mode); 92 93 assert(_fstream->is_open()); 94} 95 96template<class StreamType> 97OutputFile<StreamType>::~OutputFile() 98{ 99 if (_fstream->is_open()) 100 _fstream->close(); 101} 102 103template<class StreamType> 104void 105OutputFile<StreamType>::relocate(const OutputDirectory &dir) 106{ 107 if (_recreateable) { 108 _fstream->close(); 109 _fstream->open(dir.resolve(_name).c_str(), _mode); 110 } 111} 112 113OutputStream OutputDirectory::stdout("stdout", &cout); 114OutputStream OutputDirectory::stderr("stderr", &cerr); 115
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52/** 53 * @file This file manages creating / deleting output files for the simulator. 54 */ 55OutputDirectory::OutputDirectory() 56{} 57
| 116/** 117 * @file This file manages creating / deleting output files for the simulator. 118 */ 119OutputDirectory::OutputDirectory() 120{} 121
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| 122OutputDirectory::OutputDirectory(const std::string &name) 123{ 124 setDirectory(name); 125} 126
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58OutputDirectory::~OutputDirectory() 59{
| 127OutputDirectory::~OutputDirectory() 128{
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60 for (map_t::iterator i = files.begin(); i != files.end(); i++) { 61 if (i->second) 62 delete i->second;
| 129 for (auto& f: files) { 130 if (f.second) 131 delete f.second;
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63 } 64} 65
| 132 } 133} 134
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66std::ostream * 67OutputDirectory::checkForStdio(const string &name) const
| 135OutputStream * 136OutputDirectory::checkForStdio(const string &name)
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68{ 69 if (name == "cerr" || name == "stderr")
| 137{ 138 if (name == "cerr" || name == "stderr")
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70 return &cerr;
| 139 return &stderr;
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71 72 if (name == "cout" || name == "stdout")
| 140 141 if (name == "cout" || name == "stdout")
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73 return &cout;
| 142 return &stdout;
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74 75 return NULL; 76} 77
| 143 144 return NULL; 145} 146
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78ostream * 79OutputDirectory::openFile(const string &filename, 80 ios_base::openmode mode, bool no_gz) 81{ 82 bool gz = !no_gz; 83 gz = gz && filename.find(".gz", filename.length()-3) < filename.length(); 84 if (gz) { 85 gzofstream *file = new gzofstream(filename.c_str(), mode); 86 if (!file->is_open()) 87 fatal("Cannot open file %s", filename); 88 assert(files.find(filename) == files.end()); 89 files[filename] = file; 90 return file; 91 } else { 92 ofstream *file = new ofstream(filename.c_str(), mode); 93 if (!file->is_open()) 94 fatal("Cannot open file %s", filename); 95 assert(files.find(filename) == files.end()); 96 files[filename] = file; 97 return file; 98 } 99} 100
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101void
| 147void
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102OutputDirectory::close(ostream *openStream) { 103 map_t::iterator i; 104 for (i = files.begin(); i != files.end(); i++) { 105 if (i->second != openStream) 106 continue; 107 108 ofstream *fs = dynamic_cast<ofstream*>(i->second); 109 if (fs) { 110 fs->close(); 111 delete i->second; 112 break; 113 } else { 114 gzofstream *gfs = dynamic_cast<gzofstream*>(i->second); 115 if (gfs) { 116 gfs->close(); 117 delete i->second; 118 break; 119 } 120 } 121 } 122
| 148OutputDirectory::close(OutputStream *file) 149{ 150 auto i = files.find(file->name());
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123 if (i == files.end()) 124 fatal("Attempted to close an unregistred file stream"); 125 126 files.erase(i);
| 151 if (i == files.end()) 152 fatal("Attempted to close an unregistred file stream"); 153 154 files.erase(i);
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| 155 156 delete file;
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127} 128 129void 130OutputDirectory::setDirectory(const string &d) 131{
| 157} 158 159void 160OutputDirectory::setDirectory(const string &d) 161{
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132 if (!dir.empty()) 133 panic("Output directory already set!\n");
| 162 const string old_dir(dir);
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134 135 dir = d; 136 137 // guarantee that directory ends with a path separator 138 if (dir[dir.size() - 1] != PATH_SEPARATOR) 139 dir += PATH_SEPARATOR;
| 163 164 dir = d; 165 166 // guarantee that directory ends with a path separator 167 if (dir[dir.size() - 1] != PATH_SEPARATOR) 168 dir += PATH_SEPARATOR;
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| 169 170 // Try to create the directory. If it already exists, that's ok; 171 // otherwise, fail if we couldn't create it. 172 if ((mkdir(dir.c_str(), 0755) != 0) && (errno != EEXIST)) 173 fatal("Failed to create new output subdirectory '%s'\n", dir); 174 175 // Check if we need to recreate anything 176 if (!old_dir.empty()) { 177 // Recreate output files 178 for (file_map_t::iterator i = files.begin(); i != files.end(); ++i) { 179 i->second->relocate(*this); 180 } 181 182 // Relocate sub-directories 183 for (dir_map_t::iterator i = dirs.begin(); i != dirs.end(); ++i) { 184 i->second->setDirectory(dir + PATH_SEPARATOR + i->first); 185 } 186 } 187
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140} 141 142const string & 143OutputDirectory::directory() const 144{ 145 if (dir.empty()) 146 panic("Output directory not set!"); 147 148 return dir; 149} 150 151string 152OutputDirectory::resolve(const string &name) const 153{
| 188} 189 190const string & 191OutputDirectory::directory() const 192{ 193 if (dir.empty()) 194 panic("Output directory not set!"); 195 196 return dir; 197} 198 199string 200OutputDirectory::resolve(const string &name) const 201{
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154 return (name[0] != PATH_SEPARATOR) ? dir + name : name;
| 202 return !isAbsolute(name) ? dir + name : name;
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155} 156
| 203} 204
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157ostream *
| 205OutputStream *
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158OutputDirectory::create(const string &name, bool binary, bool no_gz) 159{
| 206OutputDirectory::create(const string &name, bool binary, bool no_gz) 207{
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160 ostream *file = checkForStdio(name);
| 208 OutputStream *file = checkForStdio(name);
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161 if (file) 162 return file; 163
| 209 if (file) 210 return file; 211
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164 string filename = resolve(name); 165 ios_base::openmode mode = 166 ios::trunc | (binary ? ios::binary : (ios::openmode)0); 167 file = openFile(filename, mode, no_gz);
| 212 const ios_base::openmode mode( 213 ios::trunc | (binary ? ios::binary : (ios::openmode)0)); 214 const bool recreateable(!isAbsolute(name));
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168
| 215
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169 return file;
| 216 return open(name, mode, recreateable, no_gz);
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170} 171
| 217} 218
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172ostream *
| 219OutputStream * 220OutputDirectory::open(const std::string &name, 221 ios_base::openmode mode, 222 bool recreateable, 223 bool no_gz) 224{ 225 OutputStream *os; 226 227 if (!no_gz && name.find(".gz", name.length() - 3) < name.length()) { 228 // Although we are creating an output stream, we still need to pass the 229 // correct mode for gzofstream as this used directly to set the file 230 // mode. 231 mode |= std::ios::out; 232 os = new OutputFile<gzofstream>(*this, name, mode, recreateable); 233 } else { 234 os = new OutputFile<ofstream>(*this, name, mode, recreateable); 235 } 236 237 files[name] = os; 238 239 return os; 240} 241 242OutputStream *
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173OutputDirectory::find(const string &name) const 174{
| 243OutputDirectory::find(const string &name) const 244{
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175 ostream *file = checkForStdio(name);
| 245 OutputStream *file = checkForStdio(name);
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176 if (file) 177 return file; 178
| 246 if (file) 247 return file; 248
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179 const string filename = resolve(name); 180 map_t::const_iterator i = files.find(filename);
| 249 auto i = files.find(name);
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181 if (i != files.end()) 182 return (*i).second; 183 184 return NULL; 185} 186
| 250 if (i != files.end()) 251 return (*i).second; 252 253 return NULL; 254} 255
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187bool 188OutputDirectory::isFile(const std::ostream *os)
| 256 257OutputStream * 258OutputDirectory::findOrCreate(const std::string &name, bool binary)
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189{
| 259{
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190 return os && os != &cerr && os != &cout;
| 260 OutputStream *os(find(name)); 261 if (os) 262 return os; 263 else 264 return create(name, binary);
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191} 192 193bool 194OutputDirectory::isFile(const string &name) const 195{ 196 // definitely a file if in our data structure 197 if (find(name) != NULL) return true; 198 199 struct stat st_buf; 200 int st = stat(name.c_str(), &st_buf); 201 return (st == 0) && S_ISREG(st_buf.st_mode); 202} 203
| 265} 266 267bool 268OutputDirectory::isFile(const string &name) const 269{ 270 // definitely a file if in our data structure 271 if (find(name) != NULL) return true; 272 273 struct stat st_buf; 274 int st = stat(name.c_str(), &st_buf); 275 return (st == 0) && S_ISREG(st_buf.st_mode); 276} 277
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204string 205OutputDirectory::createSubdirectory(const string &name) const
| 278OutputDirectory * 279OutputDirectory::createSubdirectory(const string &name)
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206{ 207 const string new_dir = resolve(name); 208 if (new_dir.find(directory()) == string::npos) 209 fatal("Attempting to create subdirectory not in m5 output dir\n"); 210
| 280{ 281 const string new_dir = resolve(name); 282 if (new_dir.find(directory()) == string::npos) 283 fatal("Attempting to create subdirectory not in m5 output dir\n"); 284
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211 // if it already exists, that's ok; otherwise, fail if we couldn't create 212 if ((mkdir(new_dir.c_str(), 0755) != 0) && (errno != EEXIST)) 213 fatal("Failed to create new output subdirectory '%s'\n", new_dir);
| 285 OutputDirectory *dir(new OutputDirectory(new_dir)); 286 dirs[name] = dir;
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214
| 287
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215 return name + PATH_SEPARATOR;
| 288 return dir;
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216} 217 218void 219OutputDirectory::remove(const string &name, bool recursive) 220{ 221 const string fname = resolve(name); 222 223 if (fname.find(directory()) == string::npos) 224 fatal("Attempting to remove file/dir not in output dir\n"); 225 226 if (isFile(fname)) { 227 // close and release file if we have it open
| 289} 290 291void 292OutputDirectory::remove(const string &name, bool recursive) 293{ 294 const string fname = resolve(name); 295 296 if (fname.find(directory()) == string::npos) 297 fatal("Attempting to remove file/dir not in output dir\n"); 298 299 if (isFile(fname)) { 300 // close and release file if we have it open
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228 map_t::iterator itr = files.find(fname); 229 if (itr != files.end()) { 230 delete itr->second; 231 files.erase(itr);
| 301 auto i = files.find(fname); 302 if (i != files.end()) { 303 delete i->second; 304 files.erase(i);
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232 } 233 234 if (::remove(fname.c_str()) != 0) 235 fatal("Could not erase file '%s'\n", fname); 236 } else { 237 // assume 'name' is a directory 238 if (recursive) { 239 DIR *subdir = opendir(fname.c_str()); 240 241 // silently ignore removal request for non-existent directory 242 if ((!subdir) && (errno == ENOENT)) 243 return; 244 245 // fail on other errors 246 if (!subdir) { 247 perror("opendir"); 248 fatal("Error opening directory for recursive removal '%s'\n",
| 305 } 306 307 if (::remove(fname.c_str()) != 0) 308 fatal("Could not erase file '%s'\n", fname); 309 } else { 310 // assume 'name' is a directory 311 if (recursive) { 312 DIR *subdir = opendir(fname.c_str()); 313 314 // silently ignore removal request for non-existent directory 315 if ((!subdir) && (errno == ENOENT)) 316 return; 317 318 // fail on other errors 319 if (!subdir) { 320 perror("opendir"); 321 fatal("Error opening directory for recursive removal '%s'\n",
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249 fname);
| 322 fname);
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250 } 251 252 struct dirent *de = readdir(subdir); 253 while (de != NULL) { 254 // ignore files starting with a '.'; user must delete those 255 // manually if they really want to 256 if (de->d_name[0] != '.') 257 remove(name + PATH_SEPARATOR + de->d_name, recursive); 258 259 de = readdir(subdir); 260 } 261 262 closedir(subdir); 263 } 264 265 // try to force recognition that we deleted the files in the directory 266 sync(); 267 268 if (::remove(fname.c_str()) != 0) { 269 perror("Warning! 'remove' failed. Could not erase directory."); 270 } 271 } 272}
| 323 } 324 325 struct dirent *de = readdir(subdir); 326 while (de != NULL) { 327 // ignore files starting with a '.'; user must delete those 328 // manually if they really want to 329 if (de->d_name[0] != '.') 330 remove(name + PATH_SEPARATOR + de->d_name, recursive); 331 332 de = readdir(subdir); 333 } 334 335 closedir(subdir); 336 } 337 338 // try to force recognition that we deleted the files in the directory 339 sync(); 340 341 if (::remove(fname.c_str()) != 0) { 342 perror("Warning! 'remove' failed. Could not erase directory."); 343 } 344 } 345}
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