tools/bugpoint/ToolRunner.cpp

   1 //===-- ToolRunner.cpp ----------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file implements the interfaces described in the ToolRunner.h file.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #define DEBUG_TYPE "toolrunner"
  15 #include "ToolRunner.h"
  16 #include "llvm/Config/config.h"   // for HAVE_LINK_R
  17 #include "llvm/System/Program.h"
  18 #include "llvm/Support/CommandLine.h"
  19 #include "llvm/Support/Debug.h"
  20 #include "llvm/Support/FileUtilities.h"
  21 #include <fstream>
  22 #include <sstream>
  23 #include <iostream>
  24 using namespace llvm;
  25
  26 namespace {
  27   cl::opt<std::string>
  28   RemoteClient("remote-client",
  29                cl::desc("Remote execution client (rsh/ssh)"));
  30
  31   cl::opt<std::string>
  32   RemoteHost("remote-host",
  33              cl::desc("Remote execution (rsh/ssh) host"));
  34
  35   cl::opt<std::string>
  36   RemoteUser("remote-user",
  37              cl::desc("Remote execution (rsh/ssh) user id"));
  38
  39   cl::opt<std::string>
  40   RemoteExtra("remote-extra-options",
  41           cl::desc("Remote execution (rsh/ssh) extra options"));
  42 }
  43
  44 ToolExecutionError::~ToolExecutionError() throw() { }
  45
  46 /// RunProgramWithTimeout - This function provides an alternate interface to the
  47 /// sys::Program::ExecuteAndWait interface.
  48 /// @see sys:Program::ExecuteAndWait
  49 static int RunProgramWithTimeout(const sys::Path &ProgramPath,
  50                                  const char **Args,
  51                                  const sys::Path &StdInFile,
  52                                  const sys::Path &StdOutFile,
  53                                  const sys::Path &StdErrFile,
  54                                  unsigned NumSeconds = 0,
  55                                  unsigned MemoryLimit = 0) {
  56   const sys::Path* redirects[3];
  57   redirects[0] = &StdInFile;
  58   redirects[1] = &StdOutFile;
  59   redirects[2] = &StdErrFile;
  60
  61   if (0) {
  62     std::cerr << "RUN:";
  63     for (unsigned i = 0; Args[i]; ++i)
  64       std::cerr << " " << Args[i];
  65     std::cerr << "\n";
  66   }
  67
  68   return
  69     sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects,
  70                                  NumSeconds, MemoryLimit);
  71 }
  72
  73
  74
  75 static void ProcessFailure(sys::Path ProgPath, const char** Args) {
  76   std::ostringstream OS;
  77   OS << "\nError running tool:\n ";
  78   for (const char **Arg = Args; *Arg; ++Arg)
  79     OS << " " << *Arg;
  80   OS << "\n";
  81
  82   // Rerun the compiler, capturing any error messages to print them.
  83   sys::Path ErrorFilename("bugpoint.program_error_messages");
  84   std::string ErrMsg;
  85   if (ErrorFilename.makeUnique(true, &ErrMsg)) {
  86     std::cerr << "Error making unique filename: " << ErrMsg << "\n";
  87     exit(1);
  88   }
  89   RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
  90                         ErrorFilename); // FIXME: check return code ?
  91
  92   // Print out the error messages generated by GCC if possible...
  93   std::ifstream ErrorFile(ErrorFilename.c_str());
  94   if (ErrorFile) {
  95     std::copy(std::istreambuf_iterator<char>(ErrorFile),
  96               std::istreambuf_iterator<char>(),
  97               std::ostreambuf_iterator<char>(OS));
  98     ErrorFile.close();
  99   }
 100
 101   ErrorFilename.eraseFromDisk();
 102   throw ToolExecutionError(OS.str());
 103 }
 104
 105 //===---------------------------------------------------------------------===//
 106 // LLI Implementation of AbstractIntepreter interface
 107 //
 108 namespace {
 109   class LLI : public AbstractInterpreter {
 110     std::string LLIPath;          // The path to the LLI executable
 111     std::vector<std::string> ToolArgs; // Args to pass to LLI
 112   public:
 113     LLI(const std::string &Path, const std::vector<std::string> *Args)
 114       : LLIPath(Path) {
 115       ToolArgs.clear ();
 116       if (Args) { ToolArgs = *Args; }
 117     }
 118
 119     virtual int ExecuteProgram(const std::string &Bitcode,
 120                                const std::vector<std::string> &Args,
 121                                const std::string &InputFile,
 122                                const std::string &OutputFile,
 123                                const std::vector<std::string> &GCCArgs,
 124                                const std::vector<std::string> &SharedLibs =
 125                                std::vector<std::string>(),
 126                                unsigned Timeout = 0,
 127                                unsigned MemoryLimit = 0);
 128   };
 129 }
 130
 131 int LLI::ExecuteProgram(const std::string &Bitcode,
 132                         const std::vector<std::string> &Args,
 133                         const std::string &InputFile,
 134                         const std::string &OutputFile,
 135                         const std::vector<std::string> &GCCArgs,
 136                         const std::vector<std::string> &SharedLibs,
 137                         unsigned Timeout,
 138                         unsigned MemoryLimit) {
 139   if (!SharedLibs.empty())
 140     throw ToolExecutionError("LLI currently does not support "
 141                              "loading shared libraries.");
 142
 143   if (!GCCArgs.empty())
 144     throw ToolExecutionError("LLI currently does not support "
 145                              "GCC Arguments.");
 146   std::vector<const char*> LLIArgs;
 147   LLIArgs.push_back(LLIPath.c_str());
 148   LLIArgs.push_back("-force-interpreter=true");
 149
 150   // Add any extra LLI args.
 151   for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
 152     LLIArgs.push_back(ToolArgs[i].c_str());
 153
 154   LLIArgs.push_back(Bitcode.c_str());
 155   // Add optional parameters to the running program from Argv
 156   for (unsigned i=0, e = Args.size(); i != e; ++i)
 157     LLIArgs.push_back(Args[i].c_str());
 158   LLIArgs.push_back(0);
 159
 160   std::cout << "<lli>" << std::flush;
 161   DEBUG(std::cerr << "\nAbout to run:\t";
 162         for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i)
 163           std::cerr << " " << LLIArgs[i];
 164         std::cerr << "\n";
 165         );
 166   return RunProgramWithTimeout(sys::Path(LLIPath), &LLIArgs[0],
 167       sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
 168       Timeout, MemoryLimit);
 169 }
 170
 171 // LLI create method - Try to find the LLI executable
 172 AbstractInterpreter *AbstractInterpreter::createLLI(const std::string &ProgPath,
 173                                                     std::string &Message,
 174                                      const std::vector<std::string> *ToolArgs) {
 175   std::string LLIPath = FindExecutable("lli", ProgPath).toString();
 176   if (!LLIPath.empty()) {
 177     Message = "Found lli: " + LLIPath + "\n";
 178     return new LLI(LLIPath, ToolArgs);
 179   }
 180
 181   Message = "Cannot find `lli' in executable directory or PATH!\n";
 182   return 0;
 183 }
 184
 185 //===---------------------------------------------------------------------===//
 186 // Custom execution command implementation of AbstractIntepreter interface
 187 //
 188 // Allows using a custom command for executing the bitcode, thus allows,
 189 // for example, to invoke a cross compiler for code generation followed by
 190 // a simulator that executes the generated binary.
 191 namespace {
 192   class CustomExecutor : public AbstractInterpreter {
 193     std::string ExecutionCommand;
 194     std::vector<std::string> ExecutorArgs;
 195   public:
 196     CustomExecutor(
 197       const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) :
 198       ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {}
 199
 200     virtual int ExecuteProgram(const std::string &Bitcode,
 201                                const std::vector<std::string> &Args,
 202                                const std::string &InputFile,
 203                                const std::string &OutputFile,
 204                                const std::vector<std::string> &GCCArgs,
 205                                const std::vector<std::string> &SharedLibs =
 206                                std::vector<std::string>(),
 207                                unsigned Timeout = 0,
 208                                unsigned MemoryLimit = 0);
 209   };
 210 }
 211
 212 int CustomExecutor::ExecuteProgram(const std::string &Bitcode,
 213                         const std::vector<std::string> &Args,
 214                         const std::string &InputFile,
 215                         const std::string &OutputFile,
 216                         const std::vector<std::string> &GCCArgs,
 217                         const std::vector<std::string> &SharedLibs,
 218                         unsigned Timeout,
 219                         unsigned MemoryLimit) {
 220
 221   std::vector<const char*> ProgramArgs;
 222   ProgramArgs.push_back(ExecutionCommand.c_str());
 223
 224   for (std::size_t i = 0; i < ExecutorArgs.size(); ++i)
 225     ProgramArgs.push_back(ExecutorArgs.at(i).c_str());
 226   ProgramArgs.push_back(Bitcode.c_str());
 227   ProgramArgs.push_back(0);
 228
 229   // Add optional parameters to the running program from Argv
 230   for (unsigned i=0, e = Args.size(); i != e; ++i)
 231     ProgramArgs.push_back(Args[i].c_str());
 232
 233   return RunProgramWithTimeout(
 234     sys::Path(ExecutionCommand),
 235     &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile),
 236     sys::Path(OutputFile), Timeout, MemoryLimit);
 237 }
 238
 239 // Custom execution environment create method, takes the execution command
 240 // as arguments
 241 AbstractInterpreter *AbstractInterpreter::createCustom(
 242                     const std::string &ProgramPath,
 243                     std::string &Message,
 244                     const std::string &ExecCommandLine) {
 245
 246   std::string Command = "";
 247   std::vector<std::string> Args;
 248   std::string delimiters = " ";
 249
 250   // Tokenize the ExecCommandLine to the command and the args to allow
 251   // defining a full command line as the command instead of just the
 252   // executed program. We cannot just pass the whole string after the command
 253   // as a single argument because then program sees only a single
 254   // command line argument (with spaces in it: "foo bar" instead
 255   // of "foo" and "bar").
 256
 257   // code borrowed from:
 258   // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html
 259   std::string::size_type lastPos =
 260     ExecCommandLine.find_first_not_of(delimiters, 0);
 261   std::string::size_type pos =
 262     ExecCommandLine.find_first_of(delimiters, lastPos);
 263
 264   while (std::string::npos != pos || std::string::npos != lastPos) {
 265     std::string token = ExecCommandLine.substr(lastPos, pos - lastPos);
 266     if (Command == "")
 267        Command = token;
 268     else
 269        Args.push_back(token);
 270     // Skip delimiters.  Note the "not_of"
 271     lastPos = ExecCommandLine.find_first_not_of(delimiters, pos);
 272     // Find next "non-delimiter"
 273     pos = ExecCommandLine.find_first_of(delimiters, lastPos);
 274   }
 275
 276   std::string CmdPath = FindExecutable(Command, ProgramPath).toString();
 277   if (CmdPath.empty()) {
 278     Message =
 279       std::string("Cannot find '") + Command +
 280       "' in executable directory or PATH!\n";
 281     return 0;
 282   }
 283
 284   Message = "Found command in: " + CmdPath + "\n";
 285
 286   return new CustomExecutor(CmdPath, Args);
 287 }
 288
 289 //===----------------------------------------------------------------------===//
 290 // LLC Implementation of AbstractIntepreter interface
 291 //
 292 GCC::FileType LLC::OutputCode(const std::string &Bitcode,
 293                               sys::Path &OutputAsmFile) {
 294   sys::Path uniqueFile(Bitcode+".llc.s");
 295   std::string ErrMsg;
 296   if (uniqueFile.makeUnique(true, &ErrMsg)) {
 297     std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 298     exit(1);
 299   }
 300   OutputAsmFile = uniqueFile;
 301   std::vector<const char *> LLCArgs;
 302   LLCArgs.push_back (LLCPath.c_str());
 303
 304   // Add any extra LLC args.
 305   for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
 306     LLCArgs.push_back(ToolArgs[i].c_str());
 307
 308   LLCArgs.push_back ("-o");
 309   LLCArgs.push_back (OutputAsmFile.c_str()); // Output to the Asm file
 310   LLCArgs.push_back ("-f");                  // Overwrite as necessary...
 311   LLCArgs.push_back (Bitcode.c_str());      // This is the input bitcode
 312   LLCArgs.push_back (0);
 313
 314   std::cout << "<llc>" << std::flush;
 315   DEBUG(std::cerr << "\nAbout to run:\t";
 316         for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
 317           std::cerr << " " << LLCArgs[i];
 318         std::cerr << "\n";
 319         );
 320   if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0],
 321                             sys::Path(), sys::Path(), sys::Path()))
 322     ProcessFailure(sys::Path(LLCPath), &LLCArgs[0]);
 323
 324   return GCC::AsmFile;
 325 }
 326
 327 void LLC::compileProgram(const std::string &Bitcode) {
 328   sys::Path OutputAsmFile;
 329   OutputCode(Bitcode, OutputAsmFile);
 330   OutputAsmFile.eraseFromDisk();
 331 }
 332
 333 int LLC::ExecuteProgram(const std::string &Bitcode,
 334                         const std::vector<std::string> &Args,
 335                         const std::string &InputFile,
 336                         const std::string &OutputFile,
 337                         const std::vector<std::string> &ArgsForGCC,
 338                         const std::vector<std::string> &SharedLibs,
 339                         unsigned Timeout,
 340                         unsigned MemoryLimit) {
 341
 342   sys::Path OutputAsmFile;
 343   OutputCode(Bitcode, OutputAsmFile);
 344   FileRemover OutFileRemover(OutputAsmFile);
 345
 346   std::vector<std::string> GCCArgs(ArgsForGCC);
 347   GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end());
 348   GCCArgs.insert(GCCArgs.end(), gccArgs.begin(), gccArgs.end());
 349
 350   // Assuming LLC worked, compile the result with GCC and run it.
 351   return gcc->ExecuteProgram(OutputAsmFile.toString(), Args, GCC::AsmFile,
 352                              InputFile, OutputFile, GCCArgs,
 353                              Timeout, MemoryLimit);
 354 }
 355
 356 /// createLLC - Try to find the LLC executable
 357 ///
 358 LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath,
 359                                     std::string &Message,
 360                                     const std::vector<std::string> *Args,
 361                                     const std::vector<std::string> *GCCArgs) {
 362   std::string LLCPath = FindExecutable("llc", ProgramPath).toString();
 363   if (LLCPath.empty()) {
 364     Message = "Cannot find `llc' in executable directory or PATH!\n";
 365     return 0;
 366   }
 367
 368   Message = "Found llc: " + LLCPath + "\n";
 369   GCC *gcc = GCC::create(ProgramPath, Message, GCCArgs);
 370   if (!gcc) {
 371     std::cerr << Message << "\n";
 372     exit(1);
 373   }
 374   return new LLC(LLCPath, gcc, Args, GCCArgs);
 375 }
 376
 377 //===---------------------------------------------------------------------===//
 378 // JIT Implementation of AbstractIntepreter interface
 379 //
 380 namespace {
 381   class JIT : public AbstractInterpreter {
 382     std::string LLIPath;          // The path to the LLI executable
 383     std::vector<std::string> ToolArgs; // Args to pass to LLI
 384   public:
 385     JIT(const std::string &Path, const std::vector<std::string> *Args)
 386       : LLIPath(Path) {
 387       ToolArgs.clear ();
 388       if (Args) { ToolArgs = *Args; }
 389     }
 390
 391     virtual int ExecuteProgram(const std::string &Bitcode,
 392                                const std::vector<std::string> &Args,
 393                                const std::string &InputFile,
 394                                const std::string &OutputFile,
 395                                const std::vector<std::string> &GCCArgs =
 396                                  std::vector<std::string>(),
 397                                const std::vector<std::string> &SharedLibs =
 398                                  std::vector<std::string>(),
 399                                unsigned Timeout =0,
 400                                unsigned MemoryLimit =0);
 401   };
 402 }
 403
 404 int JIT::ExecuteProgram(const std::string &Bitcode,
 405                         const std::vector<std::string> &Args,
 406                         const std::string &InputFile,
 407                         const std::string &OutputFile,
 408                         const std::vector<std::string> &GCCArgs,
 409                         const std::vector<std::string> &SharedLibs,
 410                         unsigned Timeout,
 411                         unsigned MemoryLimit) {
 412   if (!GCCArgs.empty())
 413     throw ToolExecutionError("JIT does not support GCC Arguments.");
 414   // Construct a vector of parameters, incorporating those from the command-line
 415   std::vector<const char*> JITArgs;
 416   JITArgs.push_back(LLIPath.c_str());
 417   JITArgs.push_back("-force-interpreter=false");
 418
 419   // Add any extra LLI args.
 420   for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
 421     JITArgs.push_back(ToolArgs[i].c_str());
 422
 423   for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
 424     JITArgs.push_back("-load");
 425     JITArgs.push_back(SharedLibs[i].c_str());
 426   }
 427   JITArgs.push_back(Bitcode.c_str());
 428   // Add optional parameters to the running program from Argv
 429   for (unsigned i=0, e = Args.size(); i != e; ++i)
 430     JITArgs.push_back(Args[i].c_str());
 431   JITArgs.push_back(0);
 432
 433   std::cout << "<jit>" << std::flush;
 434   DEBUG(std::cerr << "\nAbout to run:\t";
 435         for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
 436           std::cerr << " " << JITArgs[i];
 437         std::cerr << "\n";
 438         );
 439   DEBUG(std::cerr << "\nSending output to " << OutputFile << "\n");
 440   return RunProgramWithTimeout(sys::Path(LLIPath), &JITArgs[0],
 441       sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
 442       Timeout, MemoryLimit);
 443 }
 444
 445 /// createJIT - Try to find the LLI executable
 446 ///
 447 AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath,
 448                    std::string &Message, const std::vector<std::string> *Args) {
 449   std::string LLIPath = FindExecutable("lli", ProgPath).toString();
 450   if (!LLIPath.empty()) {
 451     Message = "Found lli: " + LLIPath + "\n";
 452     return new JIT(LLIPath, Args);
 453   }
 454
 455   Message = "Cannot find `lli' in executable directory or PATH!\n";
 456   return 0;
 457 }
 458
 459 GCC::FileType CBE::OutputCode(const std::string &Bitcode,
 460                               sys::Path &OutputCFile) {
 461   sys::Path uniqueFile(Bitcode+".cbe.c");
 462   std::string ErrMsg;
 463   if (uniqueFile.makeUnique(true, &ErrMsg)) {
 464     std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 465     exit(1);
 466   }
 467   OutputCFile = uniqueFile;
 468   std::vector<const char *> LLCArgs;
 469   LLCArgs.push_back (LLCPath.c_str());
 470
 471   // Add any extra LLC args.
 472   for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
 473     LLCArgs.push_back(ToolArgs[i].c_str());
 474
 475   LLCArgs.push_back ("-o");
 476   LLCArgs.push_back (OutputCFile.c_str());   // Output to the C file
 477   LLCArgs.push_back ("-march=c");            // Output C language
 478   LLCArgs.push_back ("-f");                  // Overwrite as necessary...
 479   LLCArgs.push_back (Bitcode.c_str());      // This is the input bitcode
 480   LLCArgs.push_back (0);
 481
 482   std::cout << "<cbe>" << std::flush;
 483   DEBUG(std::cerr << "\nAbout to run:\t";
 484         for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
 485           std::cerr << " " << LLCArgs[i];
 486         std::cerr << "\n";
 487         );
 488   if (RunProgramWithTimeout(LLCPath, &LLCArgs[0], sys::Path(), sys::Path(),
 489                             sys::Path()))
 490     ProcessFailure(LLCPath, &LLCArgs[0]);
 491   return GCC::CFile;
 492 }
 493
 494 void CBE::compileProgram(const std::string &Bitcode) {
 495   sys::Path OutputCFile;
 496   OutputCode(Bitcode, OutputCFile);
 497   OutputCFile.eraseFromDisk();
 498 }
 499
 500 int CBE::ExecuteProgram(const std::string &Bitcode,
 501                         const std::vector<std::string> &Args,
 502                         const std::string &InputFile,
 503                         const std::string &OutputFile,
 504                         const std::vector<std::string> &ArgsForGCC,
 505                         const std::vector<std::string> &SharedLibs,
 506                         unsigned Timeout,
 507                         unsigned MemoryLimit) {
 508   sys::Path OutputCFile;
 509   OutputCode(Bitcode, OutputCFile);
 510
 511   FileRemover CFileRemove(OutputCFile);
 512
 513   std::vector<std::string> GCCArgs(ArgsForGCC);
 514   GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end());
 515
 516   return gcc->ExecuteProgram(OutputCFile.toString(), Args, GCC::CFile,
 517                              InputFile, OutputFile, GCCArgs,
 518                              Timeout, MemoryLimit);
 519 }
 520
 521 /// createCBE - Try to find the 'llc' executable
 522 ///
 523 CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath,
 524                                     std::string &Message,
 525                                     const std::vector<std::string> *Args,
 526                                     const std::vector<std::string> *GCCArgs) {
 527   sys::Path LLCPath = FindExecutable("llc", ProgramPath);
 528   if (LLCPath.isEmpty()) {
 529     Message =
 530       "Cannot find `llc' in executable directory or PATH!\n";
 531     return 0;
 532   }
 533
 534   Message = "Found llc: " + LLCPath.toString() + "\n";
 535   GCC *gcc = GCC::create(ProgramPath, Message, GCCArgs);
 536   if (!gcc) {
 537     std::cerr << Message << "\n";
 538     exit(1);
 539   }
 540   return new CBE(LLCPath, gcc, Args);
 541 }
 542
 543 //===---------------------------------------------------------------------===//
 544 // GCC abstraction
 545 //
 546 int GCC::ExecuteProgram(const std::string &ProgramFile,
 547                         const std::vector<std::string> &Args,
 548                         FileType fileType,
 549                         const std::string &InputFile,
 550                         const std::string &OutputFile,
 551                         const std::vector<std::string> &ArgsForGCC,
 552                         unsigned Timeout,
 553                         unsigned MemoryLimit) {
 554   std::vector<const char*> GCCArgs;
 555
 556   GCCArgs.push_back(GCCPath.c_str());
 557
 558   for (std::vector<std::string>::const_iterator
 559          I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
 560     GCCArgs.push_back(I->c_str());
 561
 562   // Specify -x explicitly in case the extension is wonky
 563   GCCArgs.push_back("-x");
 564   if (fileType == CFile) {
 565     GCCArgs.push_back("c");
 566     GCCArgs.push_back("-fno-strict-aliasing");
 567   } else {
 568     GCCArgs.push_back("assembler");
 569 #ifdef __APPLE__
 570     GCCArgs.push_back("-force_cpusubtype_ALL");
 571 #endif
 572   }
 573   GCCArgs.push_back(ProgramFile.c_str());  // Specify the input filename...
 574   GCCArgs.push_back("-x");
 575   GCCArgs.push_back("none");
 576   GCCArgs.push_back("-o");
 577   sys::Path OutputBinary (ProgramFile+".gcc.exe");
 578   std::string ErrMsg;
 579   if (OutputBinary.makeUnique(true, &ErrMsg)) {
 580     std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 581     exit(1);
 582   }
 583   GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
 584
 585   // Add any arguments intended for GCC. We locate them here because this is
 586   // most likely -L and -l options that need to come before other libraries but
 587   // after the source. Other options won't be sensitive to placement on the
 588   // command line, so this should be safe.
 589   for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
 590     GCCArgs.push_back(ArgsForGCC[i].c_str());
 591
 592   GCCArgs.push_back("-lm");                // Hard-code the math library...
 593   GCCArgs.push_back("-O2");                // Optimize the program a bit...
 594 #if defined (HAVE_LINK_R)
 595   GCCArgs.push_back("-Wl,-R.");            // Search this dir for .so files
 596 #endif
 597 #ifdef __sparc__
 598   GCCArgs.push_back("-mcpu=v9");
 599 #endif
 600   GCCArgs.push_back(0);                    // NULL terminator
 601
 602   std::cout << "<gcc>" << std::flush;
 603   DEBUG(std::cerr << "\nAbout to run:\t";
 604         for (unsigned i=0, e = GCCArgs.size()-1; i != e; ++i)
 605           std::cerr << " " << GCCArgs[i];
 606         std::cerr << "\n";
 607         );
 608   if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
 609         sys::Path())) {
 610     ProcessFailure(GCCPath, &GCCArgs[0]);
 611     exit(1);
 612   }
 613
 614   std::vector<const char*> ProgramArgs;
 615
 616   if (RemoteClientPath.isEmpty())
 617     ProgramArgs.push_back(OutputBinary.c_str());
 618   else {
 619     ProgramArgs.push_back(RemoteClientPath.c_str());
 620     ProgramArgs.push_back(RemoteHost.c_str());
 621     ProgramArgs.push_back("-l");
 622     ProgramArgs.push_back(RemoteUser.c_str());
 623     if (!RemoteExtra.empty()) {
 624       ProgramArgs.push_back(RemoteExtra.c_str());
 625     }
 626
 627     char* env_pwd = getenv("PWD");
 628     std::string Exec = "cd ";
 629     Exec += env_pwd;
 630     Exec += "; ./";
 631     Exec += OutputBinary.c_str();
 632     ProgramArgs.push_back(Exec.c_str());
 633   }
 634
 635   // Add optional parameters to the running program from Argv
 636   for (unsigned i=0, e = Args.size(); i != e; ++i)
 637     ProgramArgs.push_back(Args[i].c_str());
 638   ProgramArgs.push_back(0);                // NULL terminator
 639
 640   // Now that we have a binary, run it!
 641   std::cout << "<program>" << std::flush;
 642   DEBUG(std::cerr << "\nAbout to run:\t";
 643         for (unsigned i=0, e = ProgramArgs.size()-1; i != e; ++i)
 644           std::cerr << " " << ProgramArgs[i];
 645         std::cerr << "\n";
 646         );
 647
 648   FileRemover OutputBinaryRemover(OutputBinary);
 649
 650   if (RemoteClientPath.isEmpty())
 651     return RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
 652         sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
 653         Timeout, MemoryLimit);
 654   else
 655     return RunProgramWithTimeout(sys::Path(RemoteClientPath), &ProgramArgs[0],
 656         sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
 657         Timeout, MemoryLimit);
 658 }
 659
 660 int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
 661                           std::string &OutputFile,
 662                           const std::vector<std::string> &ArgsForGCC) {
 663   sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT);
 664   std::string ErrMsg;
 665   if (uniqueFilename.makeUnique(true, &ErrMsg)) {
 666     std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 667     exit(1);
 668   }
 669   OutputFile = uniqueFilename.toString();
 670
 671   std::vector<const char*> GCCArgs;
 672
 673   GCCArgs.push_back(GCCPath.c_str());
 674
 675   for (std::vector<std::string>::const_iterator
 676          I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
 677     GCCArgs.push_back(I->c_str());
 678
 679   // Compile the C/asm file into a shared object
 680   GCCArgs.push_back("-x");
 681   GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c");
 682   GCCArgs.push_back("-fno-strict-aliasing");
 683   GCCArgs.push_back(InputFile.c_str());   // Specify the input filename.
 684   GCCArgs.push_back("-x");
 685   GCCArgs.push_back("none");
 686 #if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
 687   GCCArgs.push_back("-G");       // Compile a shared library, `-G' for Sparc
 688 #elif defined(__APPLE__)
 689   // link all source files into a single module in data segment, rather than
 690   // generating blocks. dynamic_lookup requires that you set
 691   // MACOSX_DEPLOYMENT_TARGET=10.3 in your env.  FIXME: it would be better for
 692   // bugpoint to just pass that in the environment of GCC.
 693   GCCArgs.push_back("-single_module");
 694   GCCArgs.push_back("-dynamiclib");   // `-dynamiclib' for MacOS X/PowerPC
 695   GCCArgs.push_back("-undefined");
 696   GCCArgs.push_back("dynamic_lookup");
 697 #else
 698   GCCArgs.push_back("-shared");  // `-shared' for Linux/X86, maybe others
 699 #endif
 700
 701 #if defined(__ia64__) || defined(__alpha__) || defined(__amd64__)
 702   GCCArgs.push_back("-fPIC");   // Requires shared objs to contain PIC
 703 #endif
 704 #ifdef __sparc__
 705   GCCArgs.push_back("-mcpu=v9");
 706 #endif
 707   GCCArgs.push_back("-o");
 708   GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename.
 709   GCCArgs.push_back("-O2");              // Optimize the program a bit.
 710
 711
 712
 713   // Add any arguments intended for GCC. We locate them here because this is
 714   // most likely -L and -l options that need to come before other libraries but
 715   // after the source. Other options won't be sensitive to placement on the
 716   // command line, so this should be safe.
 717   for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
 718     GCCArgs.push_back(ArgsForGCC[i].c_str());
 719   GCCArgs.push_back(0);                    // NULL terminator
 720
 721
 722
 723   std::cout << "<gcc>" << std::flush;
 724   DEBUG(std::cerr << "\nAbout to run:\t";
 725         for (unsigned i=0, e = GCCArgs.size()-1; i != e; ++i)
 726           std::cerr << " " << GCCArgs[i];
 727         std::cerr << "\n";
 728         );
 729   if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
 730                             sys::Path())) {
 731     ProcessFailure(GCCPath, &GCCArgs[0]);
 732     return 1;
 733   }
 734   return 0;
 735 }
 736
 737 /// create - Try to find the `gcc' executable
 738 ///
 739 GCC *GCC::create(const std::string &ProgramPath, std::string &Message,
 740                  const std::vector<std::string> *Args) {
 741   sys::Path GCCPath = FindExecutable("gcc", ProgramPath);
 742   if (GCCPath.isEmpty()) {
 743     Message = "Cannot find `gcc' in executable directory or PATH!\n";
 744     return 0;
 745   }
 746
 747   sys::Path RemoteClientPath;
 748   if (!RemoteClient.empty())
 749     RemoteClientPath = FindExecutable(RemoteClient.c_str(), ProgramPath);
 750
 751   Message = "Found gcc: " + GCCPath.toString() + "\n";
 752   return new GCC(GCCPath, RemoteClientPath, Args);
 753 }