ToolRunner.cpp revision 212793
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/System/Program.h" 17#include "llvm/Support/CommandLine.h" 18#include "llvm/Support/Debug.h" 19#include "llvm/Support/FileUtilities.h" 20#include "llvm/Support/raw_ostream.h" 21#include "llvm/Config/config.h" // for HAVE_LINK_R 22#include <fstream> 23#include <sstream> 24using namespace llvm; 25 26namespace llvm { 27 cl::opt<bool> 28 SaveTemps("save-temps", cl::init(false), cl::desc("Save temporary files")); 29} 30 31namespace { 32 cl::opt<std::string> 33 RemoteClient("remote-client", 34 cl::desc("Remote execution client (rsh/ssh)")); 35 36 cl::opt<std::string> 37 RemoteHost("remote-host", 38 cl::desc("Remote execution (rsh/ssh) host")); 39 40 cl::opt<std::string> 41 RemotePort("remote-port", 42 cl::desc("Remote execution (rsh/ssh) port")); 43 44 cl::opt<std::string> 45 RemoteUser("remote-user", 46 cl::desc("Remote execution (rsh/ssh) user id")); 47 48 cl::opt<std::string> 49 RemoteExtra("remote-extra-options", 50 cl::desc("Remote execution (rsh/ssh) extra options")); 51} 52 53/// RunProgramWithTimeout - This function provides an alternate interface 54/// to the sys::Program::ExecuteAndWait interface. 55/// @see sys::Program::ExecuteAndWait 56static int RunProgramWithTimeout(const sys::Path &ProgramPath, 57 const char **Args, 58 const sys::Path &StdInFile, 59 const sys::Path &StdOutFile, 60 const sys::Path &StdErrFile, 61 unsigned NumSeconds = 0, 62 unsigned MemoryLimit = 0) { 63 const sys::Path* redirects[3]; 64 redirects[0] = &StdInFile; 65 redirects[1] = &StdOutFile; 66 redirects[2] = &StdErrFile; 67 68#if 0 // For debug purposes 69 { 70 errs() << "RUN:"; 71 for (unsigned i = 0; Args[i]; ++i) 72 errs() << " " << Args[i]; 73 errs() << "\n"; 74 } 75#endif 76 77 return 78 sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects, 79 NumSeconds, MemoryLimit); 80} 81 82/// RunProgramRemotelyWithTimeout - This function runs the given program 83/// remotely using the given remote client and the sys::Program::ExecuteAndWait. 84/// Returns the remote program exit code or reports a remote client error if it 85/// fails. Remote client is required to return 255 if it failed or program exit 86/// code otherwise. 87/// @see sys::Program::ExecuteAndWait 88static int RunProgramRemotelyWithTimeout(const sys::Path &RemoteClientPath, 89 const char **Args, 90 const sys::Path &StdInFile, 91 const sys::Path &StdOutFile, 92 const sys::Path &StdErrFile, 93 unsigned NumSeconds = 0, 94 unsigned MemoryLimit = 0) { 95 const sys::Path* redirects[3]; 96 redirects[0] = &StdInFile; 97 redirects[1] = &StdOutFile; 98 redirects[2] = &StdErrFile; 99 100#if 0 // For debug purposes 101 { 102 errs() << "RUN:"; 103 for (unsigned i = 0; Args[i]; ++i) 104 errs() << " " << Args[i]; 105 errs() << "\n"; 106 } 107#endif 108 109 // Run the program remotely with the remote client 110 int ReturnCode = sys::Program::ExecuteAndWait(RemoteClientPath, Args, 111 0, redirects, NumSeconds, MemoryLimit); 112 113 // Has the remote client fail? 114 if (255 == ReturnCode) { 115 std::ostringstream OS; 116 OS << "\nError running remote client:\n "; 117 for (const char **Arg = Args; *Arg; ++Arg) 118 OS << " " << *Arg; 119 OS << "\n"; 120 121 // The error message is in the output file, let's print it out from there. 122 std::ifstream ErrorFile(StdOutFile.c_str()); 123 if (ErrorFile) { 124 std::copy(std::istreambuf_iterator<char>(ErrorFile), 125 std::istreambuf_iterator<char>(), 126 std::ostreambuf_iterator<char>(OS)); 127 ErrorFile.close(); 128 } 129 130 errs() << OS; 131 } 132 133 return ReturnCode; 134} 135 136static std::string ProcessFailure(sys::Path ProgPath, const char** Args, 137 unsigned Timeout = 0, 138 unsigned MemoryLimit = 0) { 139 std::ostringstream OS; 140 OS << "\nError running tool:\n "; 141 for (const char **Arg = Args; *Arg; ++Arg) 142 OS << " " << *Arg; 143 OS << "\n"; 144 145 // Rerun the compiler, capturing any error messages to print them. 146 sys::Path ErrorFilename("bugpoint.program_error_messages"); 147 std::string ErrMsg; 148 if (ErrorFilename.makeUnique(true, &ErrMsg)) { 149 errs() << "Error making unique filename: " << ErrMsg << "\n"; 150 exit(1); 151 } 152 RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename, 153 ErrorFilename, Timeout, MemoryLimit); 154 // FIXME: check return code ? 155 156 // Print out the error messages generated by GCC if possible... 157 std::ifstream ErrorFile(ErrorFilename.c_str()); 158 if (ErrorFile) { 159 std::copy(std::istreambuf_iterator<char>(ErrorFile), 160 std::istreambuf_iterator<char>(), 161 std::ostreambuf_iterator<char>(OS)); 162 ErrorFile.close(); 163 } 164 165 ErrorFilename.eraseFromDisk(); 166 return OS.str(); 167} 168 169//===---------------------------------------------------------------------===// 170// LLI Implementation of AbstractIntepreter interface 171// 172namespace { 173 class LLI : public AbstractInterpreter { 174 std::string LLIPath; // The path to the LLI executable 175 std::vector<std::string> ToolArgs; // Args to pass to LLI 176 public: 177 LLI(const std::string &Path, const std::vector<std::string> *Args) 178 : LLIPath(Path) { 179 ToolArgs.clear (); 180 if (Args) { ToolArgs = *Args; } 181 } 182 183 virtual int ExecuteProgram(const std::string &Bitcode, 184 const std::vector<std::string> &Args, 185 const std::string &InputFile, 186 const std::string &OutputFile, 187 std::string *Error, 188 const std::vector<std::string> &GCCArgs, 189 const std::vector<std::string> &SharedLibs = 190 std::vector<std::string>(), 191 unsigned Timeout = 0, 192 unsigned MemoryLimit = 0); 193 }; 194} 195 196int LLI::ExecuteProgram(const std::string &Bitcode, 197 const std::vector<std::string> &Args, 198 const std::string &InputFile, 199 const std::string &OutputFile, 200 std::string *Error, 201 const std::vector<std::string> &GCCArgs, 202 const std::vector<std::string> &SharedLibs, 203 unsigned Timeout, 204 unsigned MemoryLimit) { 205 std::vector<const char*> LLIArgs; 206 LLIArgs.push_back(LLIPath.c_str()); 207 LLIArgs.push_back("-force-interpreter=true"); 208 209 for (std::vector<std::string>::const_iterator i = SharedLibs.begin(), e = SharedLibs.end(); i != e; ++i) { 210 LLIArgs.push_back("-load"); 211 LLIArgs.push_back((*i).c_str()); 212 } 213 214 // Add any extra LLI args. 215 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) 216 LLIArgs.push_back(ToolArgs[i].c_str()); 217 218 LLIArgs.push_back(Bitcode.c_str()); 219 // Add optional parameters to the running program from Argv 220 for (unsigned i=0, e = Args.size(); i != e; ++i) 221 LLIArgs.push_back(Args[i].c_str()); 222 LLIArgs.push_back(0); 223 224 outs() << "<lli>"; outs().flush(); 225 DEBUG(errs() << "\nAbout to run:\t"; 226 for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i) 227 errs() << " " << LLIArgs[i]; 228 errs() << "\n"; 229 ); 230 return RunProgramWithTimeout(sys::Path(LLIPath), &LLIArgs[0], 231 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile), 232 Timeout, MemoryLimit); 233} 234 235// LLI create method - Try to find the LLI executable 236AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0, 237 std::string &Message, 238 const std::vector<std::string> *ToolArgs) { 239 std::string LLIPath = 240 FindExecutable("lli", Argv0, (void *)(intptr_t)&createLLI).str(); 241 if (!LLIPath.empty()) { 242 Message = "Found lli: " + LLIPath + "\n"; 243 return new LLI(LLIPath, ToolArgs); 244 } 245 246 Message = "Cannot find `lli' in executable directory or PATH!\n"; 247 return 0; 248} 249 250//===---------------------------------------------------------------------===// 251// Custom execution command implementation of AbstractIntepreter interface 252// 253// Allows using a custom command for executing the bitcode, thus allows, 254// for example, to invoke a cross compiler for code generation followed by 255// a simulator that executes the generated binary. 256namespace { 257 class CustomExecutor : public AbstractInterpreter { 258 std::string ExecutionCommand; 259 std::vector<std::string> ExecutorArgs; 260 public: 261 CustomExecutor( 262 const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) : 263 ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {} 264 265 virtual int ExecuteProgram(const std::string &Bitcode, 266 const std::vector<std::string> &Args, 267 const std::string &InputFile, 268 const std::string &OutputFile, 269 std::string *Error, 270 const std::vector<std::string> &GCCArgs, 271 const std::vector<std::string> &SharedLibs = 272 std::vector<std::string>(), 273 unsigned Timeout = 0, 274 unsigned MemoryLimit = 0); 275 }; 276} 277 278int CustomExecutor::ExecuteProgram(const std::string &Bitcode, 279 const std::vector<std::string> &Args, 280 const std::string &InputFile, 281 const std::string &OutputFile, 282 std::string *Error, 283 const std::vector<std::string> &GCCArgs, 284 const std::vector<std::string> &SharedLibs, 285 unsigned Timeout, 286 unsigned MemoryLimit) { 287 288 std::vector<const char*> ProgramArgs; 289 ProgramArgs.push_back(ExecutionCommand.c_str()); 290 291 for (std::size_t i = 0; i < ExecutorArgs.size(); ++i) 292 ProgramArgs.push_back(ExecutorArgs.at(i).c_str()); 293 ProgramArgs.push_back(Bitcode.c_str()); 294 ProgramArgs.push_back(0); 295 296 // Add optional parameters to the running program from Argv 297 for (unsigned i = 0, e = Args.size(); i != e; ++i) 298 ProgramArgs.push_back(Args[i].c_str()); 299 300 return RunProgramWithTimeout( 301 sys::Path(ExecutionCommand), 302 &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile), 303 sys::Path(OutputFile), Timeout, MemoryLimit); 304} 305 306// Custom execution environment create method, takes the execution command 307// as arguments 308AbstractInterpreter *AbstractInterpreter::createCustom( 309 std::string &Message, 310 const std::string &ExecCommandLine) { 311 312 std::string Command = ""; 313 std::vector<std::string> Args; 314 std::string delimiters = " "; 315 316 // Tokenize the ExecCommandLine to the command and the args to allow 317 // defining a full command line as the command instead of just the 318 // executed program. We cannot just pass the whole string after the command 319 // as a single argument because then program sees only a single 320 // command line argument (with spaces in it: "foo bar" instead 321 // of "foo" and "bar"). 322 323 // code borrowed from: 324 // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html 325 std::string::size_type lastPos = 326 ExecCommandLine.find_first_not_of(delimiters, 0); 327 std::string::size_type pos = 328 ExecCommandLine.find_first_of(delimiters, lastPos); 329 330 while (std::string::npos != pos || std::string::npos != lastPos) { 331 std::string token = ExecCommandLine.substr(lastPos, pos - lastPos); 332 if (Command == "") 333 Command = token; 334 else 335 Args.push_back(token); 336 // Skip delimiters. Note the "not_of" 337 lastPos = ExecCommandLine.find_first_not_of(delimiters, pos); 338 // Find next "non-delimiter" 339 pos = ExecCommandLine.find_first_of(delimiters, lastPos); 340 } 341 342 std::string CmdPath = sys::Program::FindProgramByName(Command).str(); 343 if (CmdPath.empty()) { 344 Message = 345 std::string("Cannot find '") + Command + 346 "' in executable directory or PATH!\n"; 347 return 0; 348 } 349 350 Message = "Found command in: " + CmdPath + "\n"; 351 352 return new CustomExecutor(CmdPath, Args); 353} 354 355//===----------------------------------------------------------------------===// 356// LLC Implementation of AbstractIntepreter interface 357// 358GCC::FileType LLC::OutputCode(const std::string &Bitcode, 359 sys::Path &OutputAsmFile, std::string &Error, 360 unsigned Timeout, unsigned MemoryLimit) { 361 const char *Suffix = (UseIntegratedAssembler ? ".llc.o" : ".llc.s"); 362 sys::Path uniqueFile(Bitcode + Suffix); 363 std::string ErrMsg; 364 if (uniqueFile.makeUnique(true, &ErrMsg)) { 365 errs() << "Error making unique filename: " << ErrMsg << "\n"; 366 exit(1); 367 } 368 OutputAsmFile = uniqueFile; 369 std::vector<const char *> LLCArgs; 370 LLCArgs.push_back(LLCPath.c_str()); 371 372 // Add any extra LLC args. 373 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) 374 LLCArgs.push_back(ToolArgs[i].c_str()); 375 376 LLCArgs.push_back("-o"); 377 LLCArgs.push_back(OutputAsmFile.c_str()); // Output to the Asm file 378 LLCArgs.push_back(Bitcode.c_str()); // This is the input bitcode 379 380 if (UseIntegratedAssembler) 381 LLCArgs.push_back("-filetype=obj"); 382 383 LLCArgs.push_back (0); 384 385 outs() << (UseIntegratedAssembler ? "<llc-ia>" : "<llc>"); 386 outs().flush(); 387 DEBUG(errs() << "\nAbout to run:\t"; 388 for (unsigned i = 0, e = LLCArgs.size()-1; i != e; ++i) 389 errs() << " " << LLCArgs[i]; 390 errs() << "\n"; 391 ); 392 if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0], 393 sys::Path(), sys::Path(), sys::Path(), 394 Timeout, MemoryLimit)) 395 Error = ProcessFailure(sys::Path(LLCPath), &LLCArgs[0], 396 Timeout, MemoryLimit); 397 return UseIntegratedAssembler ? GCC::ObjectFile : GCC::AsmFile; 398} 399 400void LLC::compileProgram(const std::string &Bitcode, std::string *Error, 401 unsigned Timeout, unsigned MemoryLimit) { 402 sys::Path OutputAsmFile; 403 OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, MemoryLimit); 404 OutputAsmFile.eraseFromDisk(); 405} 406 407int LLC::ExecuteProgram(const std::string &Bitcode, 408 const std::vector<std::string> &Args, 409 const std::string &InputFile, 410 const std::string &OutputFile, 411 std::string *Error, 412 const std::vector<std::string> &ArgsForGCC, 413 const std::vector<std::string> &SharedLibs, 414 unsigned Timeout, 415 unsigned MemoryLimit) { 416 417 sys::Path OutputAsmFile; 418 GCC::FileType FileKind = OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, 419 MemoryLimit); 420 FileRemover OutFileRemover(OutputAsmFile, !SaveTemps); 421 422 std::vector<std::string> GCCArgs(ArgsForGCC); 423 GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end()); 424 425 // Assuming LLC worked, compile the result with GCC and run it. 426 return gcc->ExecuteProgram(OutputAsmFile.str(), Args, FileKind, 427 InputFile, OutputFile, Error, GCCArgs, 428 Timeout, MemoryLimit); 429} 430 431/// createLLC - Try to find the LLC executable 432/// 433LLC *AbstractInterpreter::createLLC(const char *Argv0, 434 std::string &Message, 435 const std::string &GCCBinary, 436 const std::vector<std::string> *Args, 437 const std::vector<std::string> *GCCArgs, 438 bool UseIntegratedAssembler) { 439 std::string LLCPath = 440 FindExecutable("llc", Argv0, (void *)(intptr_t)&createLLC).str(); 441 if (LLCPath.empty()) { 442 Message = "Cannot find `llc' in executable directory or PATH!\n"; 443 return 0; 444 } 445 446 Message = "Found llc: " + LLCPath + "\n"; 447 GCC *gcc = GCC::create(Message, GCCBinary, GCCArgs); 448 if (!gcc) { 449 errs() << Message << "\n"; 450 exit(1); 451 } 452 return new LLC(LLCPath, gcc, Args, UseIntegratedAssembler); 453} 454 455//===---------------------------------------------------------------------===// 456// JIT Implementation of AbstractIntepreter interface 457// 458namespace { 459 class JIT : public AbstractInterpreter { 460 std::string LLIPath; // The path to the LLI executable 461 std::vector<std::string> ToolArgs; // Args to pass to LLI 462 public: 463 JIT(const std::string &Path, const std::vector<std::string> *Args) 464 : LLIPath(Path) { 465 ToolArgs.clear (); 466 if (Args) { ToolArgs = *Args; } 467 } 468 469 virtual int ExecuteProgram(const std::string &Bitcode, 470 const std::vector<std::string> &Args, 471 const std::string &InputFile, 472 const std::string &OutputFile, 473 std::string *Error, 474 const std::vector<std::string> &GCCArgs = 475 std::vector<std::string>(), 476 const std::vector<std::string> &SharedLibs = 477 std::vector<std::string>(), 478 unsigned Timeout = 0, 479 unsigned MemoryLimit = 0); 480 }; 481} 482 483int JIT::ExecuteProgram(const std::string &Bitcode, 484 const std::vector<std::string> &Args, 485 const std::string &InputFile, 486 const std::string &OutputFile, 487 std::string *Error, 488 const std::vector<std::string> &GCCArgs, 489 const std::vector<std::string> &SharedLibs, 490 unsigned Timeout, 491 unsigned MemoryLimit) { 492 // Construct a vector of parameters, incorporating those from the command-line 493 std::vector<const char*> JITArgs; 494 JITArgs.push_back(LLIPath.c_str()); 495 JITArgs.push_back("-force-interpreter=false"); 496 497 // Add any extra LLI args. 498 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) 499 JITArgs.push_back(ToolArgs[i].c_str()); 500 501 for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) { 502 JITArgs.push_back("-load"); 503 JITArgs.push_back(SharedLibs[i].c_str()); 504 } 505 JITArgs.push_back(Bitcode.c_str()); 506 // Add optional parameters to the running program from Argv 507 for (unsigned i=0, e = Args.size(); i != e; ++i) 508 JITArgs.push_back(Args[i].c_str()); 509 JITArgs.push_back(0); 510 511 outs() << "<jit>"; outs().flush(); 512 DEBUG(errs() << "\nAbout to run:\t"; 513 for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i) 514 errs() << " " << JITArgs[i]; 515 errs() << "\n"; 516 ); 517 DEBUG(errs() << "\nSending output to " << OutputFile << "\n"); 518 return RunProgramWithTimeout(sys::Path(LLIPath), &JITArgs[0], 519 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile), 520 Timeout, MemoryLimit); 521} 522 523/// createJIT - Try to find the LLI executable 524/// 525AbstractInterpreter *AbstractInterpreter::createJIT(const char *Argv0, 526 std::string &Message, const std::vector<std::string> *Args) { 527 std::string LLIPath = 528 FindExecutable("lli", Argv0, (void *)(intptr_t)&createJIT).str(); 529 if (!LLIPath.empty()) { 530 Message = "Found lli: " + LLIPath + "\n"; 531 return new JIT(LLIPath, Args); 532 } 533 534 Message = "Cannot find `lli' in executable directory or PATH!\n"; 535 return 0; 536} 537 538GCC::FileType CBE::OutputCode(const std::string &Bitcode, 539 sys::Path &OutputCFile, std::string &Error, 540 unsigned Timeout, unsigned MemoryLimit) { 541 sys::Path uniqueFile(Bitcode+".cbe.c"); 542 std::string ErrMsg; 543 if (uniqueFile.makeUnique(true, &ErrMsg)) { 544 errs() << "Error making unique filename: " << ErrMsg << "\n"; 545 exit(1); 546 } 547 OutputCFile = uniqueFile; 548 std::vector<const char *> LLCArgs; 549 LLCArgs.push_back(LLCPath.c_str()); 550 551 // Add any extra LLC args. 552 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) 553 LLCArgs.push_back(ToolArgs[i].c_str()); 554 555 LLCArgs.push_back("-o"); 556 LLCArgs.push_back(OutputCFile.c_str()); // Output to the C file 557 LLCArgs.push_back("-march=c"); // Output C language 558 LLCArgs.push_back(Bitcode.c_str()); // This is the input bitcode 559 LLCArgs.push_back(0); 560 561 outs() << "<cbe>"; outs().flush(); 562 DEBUG(errs() << "\nAbout to run:\t"; 563 for (unsigned i = 0, e = LLCArgs.size()-1; i != e; ++i) 564 errs() << " " << LLCArgs[i]; 565 errs() << "\n"; 566 ); 567 if (RunProgramWithTimeout(LLCPath, &LLCArgs[0], sys::Path(), sys::Path(), 568 sys::Path(), Timeout, MemoryLimit)) 569 Error = ProcessFailure(LLCPath, &LLCArgs[0], Timeout, MemoryLimit); 570 return GCC::CFile; 571} 572 573void CBE::compileProgram(const std::string &Bitcode, std::string *Error, 574 unsigned Timeout, unsigned MemoryLimit) { 575 sys::Path OutputCFile; 576 OutputCode(Bitcode, OutputCFile, *Error, Timeout, MemoryLimit); 577 OutputCFile.eraseFromDisk(); 578} 579 580int CBE::ExecuteProgram(const std::string &Bitcode, 581 const std::vector<std::string> &Args, 582 const std::string &InputFile, 583 const std::string &OutputFile, 584 std::string *Error, 585 const std::vector<std::string> &ArgsForGCC, 586 const std::vector<std::string> &SharedLibs, 587 unsigned Timeout, 588 unsigned MemoryLimit) { 589 sys::Path OutputCFile; 590 OutputCode(Bitcode, OutputCFile, *Error, Timeout, MemoryLimit); 591 592 FileRemover CFileRemove(OutputCFile, !SaveTemps); 593 594 std::vector<std::string> GCCArgs(ArgsForGCC); 595 GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end()); 596 597 return gcc->ExecuteProgram(OutputCFile.str(), Args, GCC::CFile, 598 InputFile, OutputFile, Error, GCCArgs, 599 Timeout, MemoryLimit); 600} 601 602/// createCBE - Try to find the 'llc' executable 603/// 604CBE *AbstractInterpreter::createCBE(const char *Argv0, 605 std::string &Message, 606 const std::string &GCCBinary, 607 const std::vector<std::string> *Args, 608 const std::vector<std::string> *GCCArgs) { 609 sys::Path LLCPath = 610 FindExecutable("llc", Argv0, (void *)(intptr_t)&createCBE); 611 if (LLCPath.isEmpty()) { 612 Message = 613 "Cannot find `llc' in executable directory or PATH!\n"; 614 return 0; 615 } 616 617 Message = "Found llc: " + LLCPath.str() + "\n"; 618 GCC *gcc = GCC::create(Message, GCCBinary, GCCArgs); 619 if (!gcc) { 620 errs() << Message << "\n"; 621 exit(1); 622 } 623 return new CBE(LLCPath, gcc, Args); 624} 625 626//===---------------------------------------------------------------------===// 627// GCC abstraction 628// 629 630static bool IsARMArchitecture(std::vector<const char*> Args) { 631 for (std::vector<const char*>::const_iterator 632 I = Args.begin(), E = Args.end(); I != E; ++I) { 633 if (StringRef(*I).equals_lower("-arch")) { 634 ++I; 635 if (I != E && StringRef(*I).substr(0, strlen("arm")).equals_lower("arm")) 636 return true; 637 } 638 } 639 640 return false; 641} 642 643int GCC::ExecuteProgram(const std::string &ProgramFile, 644 const std::vector<std::string> &Args, 645 FileType fileType, 646 const std::string &InputFile, 647 const std::string &OutputFile, 648 std::string *Error, 649 const std::vector<std::string> &ArgsForGCC, 650 unsigned Timeout, 651 unsigned MemoryLimit) { 652 std::vector<const char*> GCCArgs; 653 654 GCCArgs.push_back(GCCPath.c_str()); 655 656 if (TargetTriple.getArch() == Triple::x86) 657 GCCArgs.push_back("-m32"); 658 659 for (std::vector<std::string>::const_iterator 660 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I) 661 GCCArgs.push_back(I->c_str()); 662 663 // Specify -x explicitly in case the extension is wonky 664 if (fileType != ObjectFile) { 665 GCCArgs.push_back("-x"); 666 if (fileType == CFile) { 667 GCCArgs.push_back("c"); 668 GCCArgs.push_back("-fno-strict-aliasing"); 669 } else { 670 GCCArgs.push_back("assembler"); 671 672 // For ARM architectures we don't want this flag. bugpoint isn't 673 // explicitly told what architecture it is working on, so we get 674 // it from gcc flags 675 if ((TargetTriple.getOS() == Triple::Darwin) && 676 !IsARMArchitecture(GCCArgs)) 677 GCCArgs.push_back("-force_cpusubtype_ALL"); 678 } 679 } 680 681 GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename. 682 683 GCCArgs.push_back("-x"); 684 GCCArgs.push_back("none"); 685 GCCArgs.push_back("-o"); 686 sys::Path OutputBinary (ProgramFile+".gcc.exe"); 687 std::string ErrMsg; 688 if (OutputBinary.makeUnique(true, &ErrMsg)) { 689 errs() << "Error making unique filename: " << ErrMsg << "\n"; 690 exit(1); 691 } 692 GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file... 693 694 // Add any arguments intended for GCC. We locate them here because this is 695 // most likely -L and -l options that need to come before other libraries but 696 // after the source. Other options won't be sensitive to placement on the 697 // command line, so this should be safe. 698 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i) 699 GCCArgs.push_back(ArgsForGCC[i].c_str()); 700 701 GCCArgs.push_back("-lm"); // Hard-code the math library... 702 GCCArgs.push_back("-O2"); // Optimize the program a bit... 703#if defined (HAVE_LINK_R) 704 GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files 705#endif 706 if (TargetTriple.getArch() == Triple::sparc) 707 GCCArgs.push_back("-mcpu=v9"); 708 GCCArgs.push_back(0); // NULL terminator 709 710 outs() << "<gcc>"; outs().flush(); 711 DEBUG(errs() << "\nAbout to run:\t"; 712 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i) 713 errs() << " " << GCCArgs[i]; 714 errs() << "\n"; 715 ); 716 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(), 717 sys::Path())) { 718 *Error = ProcessFailure(GCCPath, &GCCArgs[0]); 719 return -1; 720 } 721 722 std::vector<const char*> ProgramArgs; 723 724 // Declared here so that the destructor only runs after 725 // ProgramArgs is used. 726 std::string Exec; 727 728 if (RemoteClientPath.isEmpty()) 729 ProgramArgs.push_back(OutputBinary.c_str()); 730 else { 731 ProgramArgs.push_back(RemoteClientPath.c_str()); 732 ProgramArgs.push_back(RemoteHost.c_str()); 733 if (!RemoteUser.empty()) { 734 ProgramArgs.push_back("-l"); 735 ProgramArgs.push_back(RemoteUser.c_str()); 736 } 737 if (!RemotePort.empty()) { 738 ProgramArgs.push_back("-p"); 739 ProgramArgs.push_back(RemotePort.c_str()); 740 } 741 if (!RemoteExtra.empty()) { 742 ProgramArgs.push_back(RemoteExtra.c_str()); 743 } 744 745 // Full path to the binary. We need to cd to the exec directory because 746 // there is a dylib there that the exec expects to find in the CWD 747 char* env_pwd = getenv("PWD"); 748 Exec = "cd "; 749 Exec += env_pwd; 750 Exec += "; ./"; 751 Exec += OutputBinary.c_str(); 752 ProgramArgs.push_back(Exec.c_str()); 753 } 754 755 // Add optional parameters to the running program from Argv 756 for (unsigned i = 0, e = Args.size(); i != e; ++i) 757 ProgramArgs.push_back(Args[i].c_str()); 758 ProgramArgs.push_back(0); // NULL terminator 759 760 // Now that we have a binary, run it! 761 outs() << "<program>"; outs().flush(); 762 DEBUG(errs() << "\nAbout to run:\t"; 763 for (unsigned i = 0, e = ProgramArgs.size()-1; i != e; ++i) 764 errs() << " " << ProgramArgs[i]; 765 errs() << "\n"; 766 ); 767 768 FileRemover OutputBinaryRemover(OutputBinary, !SaveTemps); 769 770 if (RemoteClientPath.isEmpty()) { 771 DEBUG(errs() << "<run locally>"); 772 return RunProgramWithTimeout(OutputBinary, &ProgramArgs[0], 773 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile), 774 Timeout, MemoryLimit); 775 } else { 776 outs() << "<run remotely>"; outs().flush(); 777 return RunProgramRemotelyWithTimeout(sys::Path(RemoteClientPath), 778 &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile), 779 sys::Path(OutputFile), Timeout, MemoryLimit); 780 } 781} 782 783int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType, 784 std::string &OutputFile, 785 const std::vector<std::string> &ArgsForGCC, 786 std::string &Error) { 787 sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT); 788 std::string ErrMsg; 789 if (uniqueFilename.makeUnique(true, &ErrMsg)) { 790 errs() << "Error making unique filename: " << ErrMsg << "\n"; 791 exit(1); 792 } 793 OutputFile = uniqueFilename.str(); 794 795 std::vector<const char*> GCCArgs; 796 797 GCCArgs.push_back(GCCPath.c_str()); 798 799 if (TargetTriple.getArch() == Triple::x86) 800 GCCArgs.push_back("-m32"); 801 802 for (std::vector<std::string>::const_iterator 803 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I) 804 GCCArgs.push_back(I->c_str()); 805 806 // Compile the C/asm file into a shared object 807 if (fileType != ObjectFile) { 808 GCCArgs.push_back("-x"); 809 GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c"); 810 } 811 GCCArgs.push_back("-fno-strict-aliasing"); 812 GCCArgs.push_back(InputFile.c_str()); // Specify the input filename. 813 GCCArgs.push_back("-x"); 814 GCCArgs.push_back("none"); 815 if (TargetTriple.getArch() == Triple::sparc) 816 GCCArgs.push_back("-G"); // Compile a shared library, `-G' for Sparc 817 else if (TargetTriple.getOS() == Triple::Darwin) { 818 // link all source files into a single module in data segment, rather than 819 // generating blocks. dynamic_lookup requires that you set 820 // MACOSX_DEPLOYMENT_TARGET=10.3 in your env. FIXME: it would be better for 821 // bugpoint to just pass that in the environment of GCC. 822 GCCArgs.push_back("-single_module"); 823 GCCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC 824 GCCArgs.push_back("-undefined"); 825 GCCArgs.push_back("dynamic_lookup"); 826 } else 827 GCCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others 828 829 if ((TargetTriple.getArch() == Triple::alpha) || 830 (TargetTriple.getArch() == Triple::x86_64)) 831 GCCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC 832 833 if (TargetTriple.getArch() == Triple::sparc) 834 GCCArgs.push_back("-mcpu=v9"); 835 836 GCCArgs.push_back("-o"); 837 GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename. 838 GCCArgs.push_back("-O2"); // Optimize the program a bit. 839 840 841 842 // Add any arguments intended for GCC. We locate them here because this is 843 // most likely -L and -l options that need to come before other libraries but 844 // after the source. Other options won't be sensitive to placement on the 845 // command line, so this should be safe. 846 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i) 847 GCCArgs.push_back(ArgsForGCC[i].c_str()); 848 GCCArgs.push_back(0); // NULL terminator 849 850 851 852 outs() << "<gcc>"; outs().flush(); 853 DEBUG(errs() << "\nAbout to run:\t"; 854 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i) 855 errs() << " " << GCCArgs[i]; 856 errs() << "\n"; 857 ); 858 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(), 859 sys::Path())) { 860 Error = ProcessFailure(GCCPath, &GCCArgs[0]); 861 return 1; 862 } 863 return 0; 864} 865 866/// create - Try to find the `gcc' executable 867/// 868GCC *GCC::create(std::string &Message, 869 const std::string &GCCBinary, 870 const std::vector<std::string> *Args) { 871 sys::Path GCCPath = sys::Program::FindProgramByName(GCCBinary); 872 if (GCCPath.isEmpty()) { 873 Message = "Cannot find `"+ GCCBinary +"' in executable directory or PATH!\n"; 874 return 0; 875 } 876 877 sys::Path RemoteClientPath; 878 if (!RemoteClient.empty()) 879 RemoteClientPath = sys::Program::FindProgramByName(RemoteClient); 880 881 Message = "Found gcc: " + GCCPath.str() + "\n"; 882 return new GCC(GCCPath, RemoteClientPath, Args); 883} 884