1 //===-- ToolRunner.cpp ----------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the interfaces described in the ToolRunner.h file.
12 //===----------------------------------------------------------------------===//
14 #define DEBUG_TYPE "toolrunner"
15 #include "ToolRunner.h"
16 #include "llvm/Config/config.h" // for HAVE_LINK_R
17 #include "llvm/Support/CommandLine.h"
18 #include "llvm/Support/Debug.h"
19 #include "llvm/Support/FileUtilities.h"
20 #include "llvm/Support/Program.h"
21 #include "llvm/Support/raw_ostream.h"
28 SaveTemps("save-temps", cl::init(false), cl::desc("Save temporary files"));
33 RemoteClient("remote-client",
34 cl::desc("Remote execution client (rsh/ssh)"));
37 RemoteHost("remote-host",
38 cl::desc("Remote execution (rsh/ssh) host"));
41 RemotePort("remote-port",
42 cl::desc("Remote execution (rsh/ssh) port"));
45 RemoteUser("remote-user",
46 cl::desc("Remote execution (rsh/ssh) user id"));
49 RemoteExtra("remote-extra-options",
50 cl::desc("Remote execution (rsh/ssh) extra options"));
53 /// RunProgramWithTimeout - This function provides an alternate interface
54 /// to the sys::Program::ExecuteAndWait interface.
55 /// @see sys::Program::ExecuteAndWait
56 static int RunProgramWithTimeout(const sys::Path &ProgramPath,
58 const sys::Path &StdInFile,
59 const sys::Path &StdOutFile,
60 const sys::Path &StdErrFile,
61 unsigned NumSeconds = 0,
62 unsigned MemoryLimit = 0,
63 std::string *ErrMsg = 0) {
64 const sys::Path* redirects[3];
65 redirects[0] = &StdInFile;
66 redirects[1] = &StdOutFile;
67 redirects[2] = &StdErrFile;
69 #if 0 // For debug purposes
72 for (unsigned i = 0; Args[i]; ++i)
73 errs() << " " << Args[i];
78 return sys::ExecuteAndWait(ProgramPath, Args, 0, redirects, NumSeconds,
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
87 /// @see sys::Program::ExecuteAndWait
88 static int RunProgramRemotelyWithTimeout(const sys::Path &RemoteClientPath,
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;
100 #if 0 // For debug purposes
103 for (unsigned i = 0; Args[i]; ++i)
104 errs() << " " << Args[i];
109 // Run the program remotely with the remote client
110 int ReturnCode = sys::ExecuteAndWait(RemoteClientPath, Args, 0, redirects,
111 NumSeconds, MemoryLimit);
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)
121 // The error message is in the output file, let's print it out from there.
122 std::ifstream ErrorFile(StdOutFile.c_str());
124 std::copy(std::istreambuf_iterator<char>(ErrorFile),
125 std::istreambuf_iterator<char>(),
126 std::ostreambuf_iterator<char>(OS));
136 static 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)
145 // Rerun the compiler, capturing any error messages to print them.
146 sys::Path ErrorFilename("bugpoint.program_error_messages");
148 if (ErrorFilename.makeUnique(true, &ErrMsg)) {
149 errs() << "Error making unique filename: " << ErrMsg << "\n";
152 RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
153 ErrorFilename, Timeout, MemoryLimit);
154 // FIXME: check return code ?
156 // Print out the error messages generated by GCC if possible...
157 std::ifstream ErrorFile(ErrorFilename.c_str());
159 std::copy(std::istreambuf_iterator<char>(ErrorFile),
160 std::istreambuf_iterator<char>(),
161 std::ostreambuf_iterator<char>(OS));
165 ErrorFilename.eraseFromDisk();
169 //===---------------------------------------------------------------------===//
170 // LLI Implementation of AbstractIntepreter interface
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
177 LLI(const std::string &Path, const std::vector<std::string> *Args)
180 if (Args) { ToolArgs = *Args; }
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,
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);
196 int LLI::ExecuteProgram(const std::string &Bitcode,
197 const std::vector<std::string> &Args,
198 const std::string &InputFile,
199 const std::string &OutputFile,
201 const std::vector<std::string> &GCCArgs,
202 const std::vector<std::string> &SharedLibs,
204 unsigned MemoryLimit) {
205 std::vector<const char*> LLIArgs;
206 LLIArgs.push_back(LLIPath.c_str());
207 LLIArgs.push_back("-force-interpreter=true");
209 for (std::vector<std::string>::const_iterator i = SharedLibs.begin(),
210 e = SharedLibs.end(); i != e; ++i) {
211 LLIArgs.push_back("-load");
212 LLIArgs.push_back((*i).c_str());
215 // Add any extra LLI args.
216 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
217 LLIArgs.push_back(ToolArgs[i].c_str());
219 LLIArgs.push_back(Bitcode.c_str());
220 // Add optional parameters to the running program from Argv
221 for (unsigned i=0, e = Args.size(); i != e; ++i)
222 LLIArgs.push_back(Args[i].c_str());
223 LLIArgs.push_back(0);
225 outs() << "<lli>"; outs().flush();
226 DEBUG(errs() << "\nAbout to run:\t";
227 for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i)
228 errs() << " " << LLIArgs[i];
231 return RunProgramWithTimeout(sys::Path(LLIPath), &LLIArgs[0],
232 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
233 Timeout, MemoryLimit, Error);
236 void AbstractInterpreter::anchor() { }
238 // LLI create method - Try to find the LLI executable
239 AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0,
240 std::string &Message,
241 const std::vector<std::string> *ToolArgs) {
242 std::string LLIPath =
243 PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t)&createLLI).str();
244 if (!LLIPath.empty()) {
245 Message = "Found lli: " + LLIPath + "\n";
246 return new LLI(LLIPath, ToolArgs);
249 Message = "Cannot find `lli' in executable directory!\n";
253 //===---------------------------------------------------------------------===//
254 // Custom compiler command implementation of AbstractIntepreter interface
256 // Allows using a custom command for compiling the bitcode, thus allows, for
257 // example, to compile a bitcode fragment without linking or executing, then
258 // using a custom wrapper script to check for compiler errors.
260 class CustomCompiler : public AbstractInterpreter {
261 std::string CompilerCommand;
262 std::vector<std::string> CompilerArgs;
265 const std::string &CompilerCmd, std::vector<std::string> CompArgs) :
266 CompilerCommand(CompilerCmd), CompilerArgs(CompArgs) {}
268 virtual void compileProgram(const std::string &Bitcode,
270 unsigned Timeout = 0,
271 unsigned MemoryLimit = 0);
273 virtual int ExecuteProgram(const std::string &Bitcode,
274 const std::vector<std::string> &Args,
275 const std::string &InputFile,
276 const std::string &OutputFile,
278 const std::vector<std::string> &GCCArgs =
279 std::vector<std::string>(),
280 const std::vector<std::string> &SharedLibs =
281 std::vector<std::string>(),
282 unsigned Timeout = 0,
283 unsigned MemoryLimit = 0) {
284 *Error = "Execution not supported with -compile-custom";
290 void CustomCompiler::compileProgram(const std::string &Bitcode,
293 unsigned MemoryLimit) {
295 std::vector<const char*> ProgramArgs;
296 ProgramArgs.push_back(CompilerCommand.c_str());
298 for (std::size_t i = 0; i < CompilerArgs.size(); ++i)
299 ProgramArgs.push_back(CompilerArgs.at(i).c_str());
300 ProgramArgs.push_back(Bitcode.c_str());
301 ProgramArgs.push_back(0);
303 // Add optional parameters to the running program from Argv
304 for (unsigned i = 0, e = CompilerArgs.size(); i != e; ++i)
305 ProgramArgs.push_back(CompilerArgs[i].c_str());
307 if (RunProgramWithTimeout( sys::Path(CompilerCommand), &ProgramArgs[0],
308 sys::Path(), sys::Path(), sys::Path(),
309 Timeout, MemoryLimit, Error))
310 *Error = ProcessFailure(sys::Path(CompilerCommand), &ProgramArgs[0],
311 Timeout, MemoryLimit);
314 //===---------------------------------------------------------------------===//
315 // Custom execution command implementation of AbstractIntepreter interface
317 // Allows using a custom command for executing the bitcode, thus allows,
318 // for example, to invoke a cross compiler for code generation followed by
319 // a simulator that executes the generated binary.
321 class CustomExecutor : public AbstractInterpreter {
322 std::string ExecutionCommand;
323 std::vector<std::string> ExecutorArgs;
326 const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) :
327 ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {}
329 virtual int ExecuteProgram(const std::string &Bitcode,
330 const std::vector<std::string> &Args,
331 const std::string &InputFile,
332 const std::string &OutputFile,
334 const std::vector<std::string> &GCCArgs,
335 const std::vector<std::string> &SharedLibs =
336 std::vector<std::string>(),
337 unsigned Timeout = 0,
338 unsigned MemoryLimit = 0);
342 int CustomExecutor::ExecuteProgram(const std::string &Bitcode,
343 const std::vector<std::string> &Args,
344 const std::string &InputFile,
345 const std::string &OutputFile,
347 const std::vector<std::string> &GCCArgs,
348 const std::vector<std::string> &SharedLibs,
350 unsigned MemoryLimit) {
352 std::vector<const char*> ProgramArgs;
353 ProgramArgs.push_back(ExecutionCommand.c_str());
355 for (std::size_t i = 0; i < ExecutorArgs.size(); ++i)
356 ProgramArgs.push_back(ExecutorArgs.at(i).c_str());
357 ProgramArgs.push_back(Bitcode.c_str());
358 ProgramArgs.push_back(0);
360 // Add optional parameters to the running program from Argv
361 for (unsigned i = 0, e = Args.size(); i != e; ++i)
362 ProgramArgs.push_back(Args[i].c_str());
364 return RunProgramWithTimeout(
365 sys::Path(ExecutionCommand),
366 &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile),
367 sys::Path(OutputFile), Timeout, MemoryLimit, Error);
370 // Tokenize the CommandLine to the command and the args to allow
371 // defining a full command line as the command instead of just the
372 // executed program. We cannot just pass the whole string after the command
373 // as a single argument because then program sees only a single
374 // command line argument (with spaces in it: "foo bar" instead
375 // of "foo" and "bar").
377 // code borrowed from:
378 // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html
379 static void lexCommand(std::string &Message, const std::string &CommandLine,
380 std::string &CmdPath, std::vector<std::string> Args) {
382 std::string Command = "";
383 std::string delimiters = " ";
385 std::string::size_type lastPos = CommandLine.find_first_not_of(delimiters, 0);
386 std::string::size_type pos = CommandLine.find_first_of(delimiters, lastPos);
388 while (std::string::npos != pos || std::string::npos != lastPos) {
389 std::string token = CommandLine.substr(lastPos, pos - lastPos);
393 Args.push_back(token);
394 // Skip delimiters. Note the "not_of"
395 lastPos = CommandLine.find_first_not_of(delimiters, pos);
396 // Find next "non-delimiter"
397 pos = CommandLine.find_first_of(delimiters, lastPos);
400 CmdPath = sys::FindProgramByName(Command).str();
401 if (CmdPath.empty()) {
403 std::string("Cannot find '") + Command +
408 Message = "Found command in: " + CmdPath + "\n";
411 // Custom execution environment create method, takes the execution command
413 AbstractInterpreter *AbstractInterpreter::createCustomCompiler(
414 std::string &Message,
415 const std::string &CompileCommandLine) {
418 std::vector<std::string> Args;
419 lexCommand(Message, CompileCommandLine, CmdPath, Args);
423 return new CustomCompiler(CmdPath, Args);
426 // Custom execution environment create method, takes the execution command
428 AbstractInterpreter *AbstractInterpreter::createCustomExecutor(
429 std::string &Message,
430 const std::string &ExecCommandLine) {
434 std::vector<std::string> Args;
435 lexCommand(Message, ExecCommandLine, CmdPath, Args);
439 return new CustomExecutor(CmdPath, Args);
442 //===----------------------------------------------------------------------===//
443 // LLC Implementation of AbstractIntepreter interface
445 GCC::FileType LLC::OutputCode(const std::string &Bitcode,
446 sys::Path &OutputAsmFile, std::string &Error,
447 unsigned Timeout, unsigned MemoryLimit) {
448 const char *Suffix = (UseIntegratedAssembler ? ".llc.o" : ".llc.s");
449 sys::Path uniqueFile(Bitcode + Suffix);
451 if (uniqueFile.makeUnique(true, &ErrMsg)) {
452 errs() << "Error making unique filename: " << ErrMsg << "\n";
455 OutputAsmFile = uniqueFile;
456 std::vector<const char *> LLCArgs;
457 LLCArgs.push_back(LLCPath.c_str());
459 // Add any extra LLC args.
460 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
461 LLCArgs.push_back(ToolArgs[i].c_str());
463 LLCArgs.push_back("-o");
464 LLCArgs.push_back(OutputAsmFile.c_str()); // Output to the Asm file
465 LLCArgs.push_back(Bitcode.c_str()); // This is the input bitcode
467 if (UseIntegratedAssembler)
468 LLCArgs.push_back("-filetype=obj");
470 LLCArgs.push_back (0);
472 outs() << (UseIntegratedAssembler ? "<llc-ia>" : "<llc>");
474 DEBUG(errs() << "\nAbout to run:\t";
475 for (unsigned i = 0, e = LLCArgs.size()-1; i != e; ++i)
476 errs() << " " << LLCArgs[i];
479 if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0],
480 sys::Path(), sys::Path(), sys::Path(),
481 Timeout, MemoryLimit))
482 Error = ProcessFailure(sys::Path(LLCPath), &LLCArgs[0],
483 Timeout, MemoryLimit);
484 return UseIntegratedAssembler ? GCC::ObjectFile : GCC::AsmFile;
487 void LLC::compileProgram(const std::string &Bitcode, std::string *Error,
488 unsigned Timeout, unsigned MemoryLimit) {
489 sys::Path OutputAsmFile;
490 OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, MemoryLimit);
491 OutputAsmFile.eraseFromDisk();
494 int LLC::ExecuteProgram(const std::string &Bitcode,
495 const std::vector<std::string> &Args,
496 const std::string &InputFile,
497 const std::string &OutputFile,
499 const std::vector<std::string> &ArgsForGCC,
500 const std::vector<std::string> &SharedLibs,
502 unsigned MemoryLimit) {
504 sys::Path OutputAsmFile;
505 GCC::FileType FileKind = OutputCode(Bitcode, OutputAsmFile, *Error, Timeout,
507 FileRemover OutFileRemover(OutputAsmFile.str(), !SaveTemps);
509 std::vector<std::string> GCCArgs(ArgsForGCC);
510 GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end());
512 // Assuming LLC worked, compile the result with GCC and run it.
513 return gcc->ExecuteProgram(OutputAsmFile.str(), Args, FileKind,
514 InputFile, OutputFile, Error, GCCArgs,
515 Timeout, MemoryLimit);
518 /// createLLC - Try to find the LLC executable
520 LLC *AbstractInterpreter::createLLC(const char *Argv0,
521 std::string &Message,
522 const std::string &GCCBinary,
523 const std::vector<std::string> *Args,
524 const std::vector<std::string> *GCCArgs,
525 bool UseIntegratedAssembler) {
526 std::string LLCPath =
527 PrependMainExecutablePath("llc", Argv0, (void *)(intptr_t)&createLLC).str();
528 if (LLCPath.empty()) {
529 Message = "Cannot find `llc' in executable directory!\n";
533 GCC *gcc = GCC::create(Message, GCCBinary, GCCArgs);
535 errs() << Message << "\n";
538 Message = "Found llc: " + LLCPath + "\n";
539 return new LLC(LLCPath, gcc, Args, UseIntegratedAssembler);
542 //===---------------------------------------------------------------------===//
543 // JIT Implementation of AbstractIntepreter interface
546 class JIT : public AbstractInterpreter {
547 std::string LLIPath; // The path to the LLI executable
548 std::vector<std::string> ToolArgs; // Args to pass to LLI
550 JIT(const std::string &Path, const std::vector<std::string> *Args)
553 if (Args) { ToolArgs = *Args; }
556 virtual int ExecuteProgram(const std::string &Bitcode,
557 const std::vector<std::string> &Args,
558 const std::string &InputFile,
559 const std::string &OutputFile,
561 const std::vector<std::string> &GCCArgs =
562 std::vector<std::string>(),
563 const std::vector<std::string> &SharedLibs =
564 std::vector<std::string>(),
565 unsigned Timeout = 0,
566 unsigned MemoryLimit = 0);
570 int JIT::ExecuteProgram(const std::string &Bitcode,
571 const std::vector<std::string> &Args,
572 const std::string &InputFile,
573 const std::string &OutputFile,
575 const std::vector<std::string> &GCCArgs,
576 const std::vector<std::string> &SharedLibs,
578 unsigned MemoryLimit) {
579 // Construct a vector of parameters, incorporating those from the command-line
580 std::vector<const char*> JITArgs;
581 JITArgs.push_back(LLIPath.c_str());
582 JITArgs.push_back("-force-interpreter=false");
584 // Add any extra LLI args.
585 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
586 JITArgs.push_back(ToolArgs[i].c_str());
588 for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
589 JITArgs.push_back("-load");
590 JITArgs.push_back(SharedLibs[i].c_str());
592 JITArgs.push_back(Bitcode.c_str());
593 // Add optional parameters to the running program from Argv
594 for (unsigned i=0, e = Args.size(); i != e; ++i)
595 JITArgs.push_back(Args[i].c_str());
596 JITArgs.push_back(0);
598 outs() << "<jit>"; outs().flush();
599 DEBUG(errs() << "\nAbout to run:\t";
600 for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
601 errs() << " " << JITArgs[i];
604 DEBUG(errs() << "\nSending output to " << OutputFile << "\n");
605 return RunProgramWithTimeout(sys::Path(LLIPath), &JITArgs[0],
606 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
607 Timeout, MemoryLimit, Error);
610 /// createJIT - Try to find the LLI executable
612 AbstractInterpreter *AbstractInterpreter::createJIT(const char *Argv0,
613 std::string &Message, const std::vector<std::string> *Args) {
614 std::string LLIPath =
615 PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t)&createJIT).str();
616 if (!LLIPath.empty()) {
617 Message = "Found lli: " + LLIPath + "\n";
618 return new JIT(LLIPath, Args);
621 Message = "Cannot find `lli' in executable directory!\n";
625 //===---------------------------------------------------------------------===//
629 static bool IsARMArchitecture(std::vector<const char*> Args) {
630 for (std::vector<const char*>::const_iterator
631 I = Args.begin(), E = Args.end(); I != E; ++I) {
632 if (StringRef(*I).equals_lower("-arch")) {
634 if (I != E && StringRef(*I).substr(0, strlen("arm")).equals_lower("arm"))
642 int GCC::ExecuteProgram(const std::string &ProgramFile,
643 const std::vector<std::string> &Args,
645 const std::string &InputFile,
646 const std::string &OutputFile,
648 const std::vector<std::string> &ArgsForGCC,
650 unsigned MemoryLimit) {
651 std::vector<const char*> GCCArgs;
653 GCCArgs.push_back(GCCPath.c_str());
655 if (TargetTriple.getArch() == Triple::x86)
656 GCCArgs.push_back("-m32");
658 for (std::vector<std::string>::const_iterator
659 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
660 GCCArgs.push_back(I->c_str());
662 // Specify -x explicitly in case the extension is wonky
663 if (fileType != ObjectFile) {
664 GCCArgs.push_back("-x");
665 if (fileType == CFile) {
666 GCCArgs.push_back("c");
667 GCCArgs.push_back("-fno-strict-aliasing");
669 GCCArgs.push_back("assembler");
671 // For ARM architectures we don't want this flag. bugpoint isn't
672 // explicitly told what architecture it is working on, so we get
674 if (TargetTriple.isOSDarwin() && !IsARMArchitecture(GCCArgs))
675 GCCArgs.push_back("-force_cpusubtype_ALL");
679 GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename.
681 GCCArgs.push_back("-x");
682 GCCArgs.push_back("none");
683 GCCArgs.push_back("-o");
684 sys::Path OutputBinary (ProgramFile+".gcc.exe");
686 if (OutputBinary.makeUnique(true, &ErrMsg)) {
687 errs() << "Error making unique filename: " << ErrMsg << "\n";
690 GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
692 // Add any arguments intended for GCC. We locate them here because this is
693 // most likely -L and -l options that need to come before other libraries but
694 // after the source. Other options won't be sensitive to placement on the
695 // command line, so this should be safe.
696 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
697 GCCArgs.push_back(ArgsForGCC[i].c_str());
699 GCCArgs.push_back("-lm"); // Hard-code the math library...
700 GCCArgs.push_back("-O2"); // Optimize the program a bit...
701 #if defined (HAVE_LINK_R)
702 GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files
704 if (TargetTriple.getArch() == Triple::sparc)
705 GCCArgs.push_back("-mcpu=v9");
706 GCCArgs.push_back(0); // NULL terminator
708 outs() << "<gcc>"; outs().flush();
709 DEBUG(errs() << "\nAbout to run:\t";
710 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i)
711 errs() << " " << GCCArgs[i];
714 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
716 *Error = ProcessFailure(GCCPath, &GCCArgs[0]);
720 std::vector<const char*> ProgramArgs;
722 // Declared here so that the destructor only runs after
723 // ProgramArgs is used.
726 if (RemoteClientPath.isEmpty())
727 ProgramArgs.push_back(OutputBinary.c_str());
729 ProgramArgs.push_back(RemoteClientPath.c_str());
730 ProgramArgs.push_back(RemoteHost.c_str());
731 if (!RemoteUser.empty()) {
732 ProgramArgs.push_back("-l");
733 ProgramArgs.push_back(RemoteUser.c_str());
735 if (!RemotePort.empty()) {
736 ProgramArgs.push_back("-p");
737 ProgramArgs.push_back(RemotePort.c_str());
739 if (!RemoteExtra.empty()) {
740 ProgramArgs.push_back(RemoteExtra.c_str());
743 // Full path to the binary. We need to cd to the exec directory because
744 // there is a dylib there that the exec expects to find in the CWD
745 char* env_pwd = getenv("PWD");
749 Exec += OutputBinary.c_str();
750 ProgramArgs.push_back(Exec.c_str());
753 // Add optional parameters to the running program from Argv
754 for (unsigned i = 0, e = Args.size(); i != e; ++i)
755 ProgramArgs.push_back(Args[i].c_str());
756 ProgramArgs.push_back(0); // NULL terminator
758 // Now that we have a binary, run it!
759 outs() << "<program>"; outs().flush();
760 DEBUG(errs() << "\nAbout to run:\t";
761 for (unsigned i = 0, e = ProgramArgs.size()-1; i != e; ++i)
762 errs() << " " << ProgramArgs[i];
766 FileRemover OutputBinaryRemover(OutputBinary.str(), !SaveTemps);
768 if (RemoteClientPath.isEmpty()) {
769 DEBUG(errs() << "<run locally>");
770 int ExitCode = RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
771 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
772 Timeout, MemoryLimit, Error);
773 // Treat a signal (usually SIGSEGV) or timeout as part of the program output
774 // so that crash-causing miscompilation is handled seamlessly.
776 std::ofstream outFile(OutputFile.c_str(), std::ios_base::app);
777 outFile << *Error << '\n';
783 outs() << "<run remotely>"; outs().flush();
784 return RunProgramRemotelyWithTimeout(sys::Path(RemoteClientPath),
785 &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile),
786 sys::Path(OutputFile), Timeout, MemoryLimit);
790 int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
791 std::string &OutputFile,
792 const std::vector<std::string> &ArgsForGCC,
793 std::string &Error) {
794 sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT);
796 if (uniqueFilename.makeUnique(true, &ErrMsg)) {
797 errs() << "Error making unique filename: " << ErrMsg << "\n";
800 OutputFile = uniqueFilename.str();
802 std::vector<const char*> GCCArgs;
804 GCCArgs.push_back(GCCPath.c_str());
806 if (TargetTriple.getArch() == Triple::x86)
807 GCCArgs.push_back("-m32");
809 for (std::vector<std::string>::const_iterator
810 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
811 GCCArgs.push_back(I->c_str());
813 // Compile the C/asm file into a shared object
814 if (fileType != ObjectFile) {
815 GCCArgs.push_back("-x");
816 GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c");
818 GCCArgs.push_back("-fno-strict-aliasing");
819 GCCArgs.push_back(InputFile.c_str()); // Specify the input filename.
820 GCCArgs.push_back("-x");
821 GCCArgs.push_back("none");
822 if (TargetTriple.getArch() == Triple::sparc)
823 GCCArgs.push_back("-G"); // Compile a shared library, `-G' for Sparc
824 else if (TargetTriple.isOSDarwin()) {
825 // link all source files into a single module in data segment, rather than
826 // generating blocks. dynamic_lookup requires that you set
827 // MACOSX_DEPLOYMENT_TARGET=10.3 in your env. FIXME: it would be better for
828 // bugpoint to just pass that in the environment of GCC.
829 GCCArgs.push_back("-single_module");
830 GCCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC
831 GCCArgs.push_back("-undefined");
832 GCCArgs.push_back("dynamic_lookup");
834 GCCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others
836 if (TargetTriple.getArch() == Triple::x86_64)
837 GCCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC
839 if (TargetTriple.getArch() == Triple::sparc)
840 GCCArgs.push_back("-mcpu=v9");
842 GCCArgs.push_back("-o");
843 GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename.
844 GCCArgs.push_back("-O2"); // Optimize the program a bit.
848 // Add any arguments intended for GCC. We locate them here because this is
849 // most likely -L and -l options that need to come before other libraries but
850 // after the source. Other options won't be sensitive to placement on the
851 // command line, so this should be safe.
852 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
853 GCCArgs.push_back(ArgsForGCC[i].c_str());
854 GCCArgs.push_back(0); // NULL terminator
858 outs() << "<gcc>"; outs().flush();
859 DEBUG(errs() << "\nAbout to run:\t";
860 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i)
861 errs() << " " << GCCArgs[i];
864 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
866 Error = ProcessFailure(GCCPath, &GCCArgs[0]);
872 /// create - Try to find the `gcc' executable
874 GCC *GCC::create(std::string &Message,
875 const std::string &GCCBinary,
876 const std::vector<std::string> *Args) {
877 sys::Path GCCPath = sys::FindProgramByName(GCCBinary);
878 if (GCCPath.isEmpty()) {
879 Message = "Cannot find `"+ GCCBinary +"' in PATH!\n";
883 sys::Path RemoteClientPath;
884 if (!RemoteClient.empty())
885 RemoteClientPath = sys::FindProgramByName(RemoteClient);
887 Message = "Found gcc: " + GCCPath.str() + "\n";
888 return new GCC(GCCPath, RemoteClientPath, Args);