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/FileSystem.h"
20 #include "llvm/Support/FileUtilities.h"
21 #include "llvm/Support/Program.h"
22 #include "llvm/Support/raw_ostream.h"
29 SaveTemps("save-temps", cl::init(false), cl::desc("Save temporary files"));
34 RemoteClient("remote-client",
35 cl::desc("Remote execution client (rsh/ssh)"));
38 RemoteHost("remote-host",
39 cl::desc("Remote execution (rsh/ssh) host"));
42 RemotePort("remote-port",
43 cl::desc("Remote execution (rsh/ssh) port"));
46 RemoteUser("remote-user",
47 cl::desc("Remote execution (rsh/ssh) user id"));
50 RemoteExtra("remote-extra-options",
51 cl::desc("Remote execution (rsh/ssh) extra options"));
54 /// RunProgramWithTimeout - This function provides an alternate interface
55 /// to the sys::Program::ExecuteAndWait interface.
56 /// @see sys::Program::ExecuteAndWait
57 static int RunProgramWithTimeout(StringRef ProgramPath,
62 unsigned NumSeconds = 0,
63 unsigned MemoryLimit = 0,
64 std::string *ErrMsg = 0) {
65 const StringRef *Redirects[3] = { &StdInFile, &StdOutFile, &StdErrFile };
67 #if 0 // For debug purposes
70 for (unsigned i = 0; Args[i]; ++i)
71 errs() << " " << Args[i];
76 return sys::ExecuteAndWait(ProgramPath, Args, 0, Redirects,
77 NumSeconds, MemoryLimit, ErrMsg);
80 /// RunProgramRemotelyWithTimeout - This function runs the given program
81 /// remotely using the given remote client and the sys::Program::ExecuteAndWait.
82 /// Returns the remote program exit code or reports a remote client error if it
83 /// fails. Remote client is required to return 255 if it failed or program exit
85 /// @see sys::Program::ExecuteAndWait
86 static int RunProgramRemotelyWithTimeout(StringRef RemoteClientPath,
91 unsigned NumSeconds = 0,
92 unsigned MemoryLimit = 0) {
93 const StringRef *Redirects[3] = { &StdInFile, &StdOutFile, &StdErrFile };
95 #if 0 // For debug purposes
98 for (unsigned i = 0; Args[i]; ++i)
99 errs() << " " << Args[i];
104 // Run the program remotely with the remote client
105 int ReturnCode = sys::ExecuteAndWait(RemoteClientPath, Args, 0,
106 Redirects, NumSeconds, MemoryLimit);
108 // Has the remote client fail?
109 if (255 == ReturnCode) {
110 std::ostringstream OS;
111 OS << "\nError running remote client:\n ";
112 for (const char **Arg = Args; *Arg; ++Arg)
116 // The error message is in the output file, let's print it out from there.
117 std::string StdOutFileName = StdOutFile.str();
118 std::ifstream ErrorFile(StdOutFileName.c_str());
120 std::copy(std::istreambuf_iterator<char>(ErrorFile),
121 std::istreambuf_iterator<char>(),
122 std::ostreambuf_iterator<char>(OS));
132 static std::string ProcessFailure(StringRef ProgPath, const char** Args,
133 unsigned Timeout = 0,
134 unsigned MemoryLimit = 0) {
135 std::ostringstream OS;
136 OS << "\nError running tool:\n ";
137 for (const char **Arg = Args; *Arg; ++Arg)
141 // Rerun the compiler, capturing any error messages to print them.
142 SmallString<128> ErrorFilename;
144 error_code EC = sys::fs::createTemporaryFile(
145 "bugpoint.program_error_messages", "", ErrorFD, ErrorFilename);
147 errs() << "Error making unique filename: " << EC.message() << "\n";
150 RunProgramWithTimeout(ProgPath, Args, "", ErrorFilename.str(),
151 ErrorFilename.str(), Timeout, MemoryLimit);
152 // FIXME: check return code ?
154 // Print out the error messages generated by GCC if possible...
155 std::ifstream ErrorFile(ErrorFilename.c_str());
157 std::copy(std::istreambuf_iterator<char>(ErrorFile),
158 std::istreambuf_iterator<char>(),
159 std::ostreambuf_iterator<char>(OS));
163 sys::fs::remove(ErrorFilename.c_str());
167 //===---------------------------------------------------------------------===//
168 // LLI Implementation of AbstractIntepreter interface
171 class LLI : public AbstractInterpreter {
172 std::string LLIPath; // The path to the LLI executable
173 std::vector<std::string> ToolArgs; // Args to pass to LLI
175 LLI(const std::string &Path, const std::vector<std::string> *Args)
178 if (Args) { ToolArgs = *Args; }
181 virtual int ExecuteProgram(const std::string &Bitcode,
182 const std::vector<std::string> &Args,
183 const std::string &InputFile,
184 const std::string &OutputFile,
186 const std::vector<std::string> &GCCArgs,
187 const std::vector<std::string> &SharedLibs =
188 std::vector<std::string>(),
189 unsigned Timeout = 0,
190 unsigned MemoryLimit = 0);
194 int LLI::ExecuteProgram(const std::string &Bitcode,
195 const std::vector<std::string> &Args,
196 const std::string &InputFile,
197 const std::string &OutputFile,
199 const std::vector<std::string> &GCCArgs,
200 const std::vector<std::string> &SharedLibs,
202 unsigned MemoryLimit) {
203 std::vector<const char*> LLIArgs;
204 LLIArgs.push_back(LLIPath.c_str());
205 LLIArgs.push_back("-force-interpreter=true");
207 for (std::vector<std::string>::const_iterator i = SharedLibs.begin(),
208 e = SharedLibs.end(); i != e; ++i) {
209 LLIArgs.push_back("-load");
210 LLIArgs.push_back((*i).c_str());
213 // Add any extra LLI args.
214 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
215 LLIArgs.push_back(ToolArgs[i].c_str());
217 LLIArgs.push_back(Bitcode.c_str());
218 // Add optional parameters to the running program from Argv
219 for (unsigned i=0, e = Args.size(); i != e; ++i)
220 LLIArgs.push_back(Args[i].c_str());
221 LLIArgs.push_back(0);
223 outs() << "<lli>"; outs().flush();
224 DEBUG(errs() << "\nAbout to run:\t";
225 for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i)
226 errs() << " " << LLIArgs[i];
229 return RunProgramWithTimeout(LLIPath, &LLIArgs[0],
230 InputFile, OutputFile, OutputFile,
231 Timeout, MemoryLimit, Error);
234 void AbstractInterpreter::anchor() { }
236 #if defined(LLVM_ON_UNIX)
237 const char EXESuffix[] = "";
238 #elif defined (LLVM_ON_WIN32)
239 const char EXESuffix[] = "exe";
242 /// Prepend the path to the program being executed
243 /// to \p ExeName, given the value of argv[0] and the address of main()
244 /// itself. This allows us to find another LLVM tool if it is built in the same
245 /// directory. An empty string is returned on error; note that this function
246 /// just mainpulates the path and doesn't check for executability.
247 /// @brief Find a named executable.
248 static std::string PrependMainExecutablePath(const std::string &ExeName,
251 // Check the directory that the calling program is in. We can do
252 // this if ProgramPath contains at least one / character, indicating that it
253 // is a relative path to the executable itself.
254 std::string Main = sys::fs::getMainExecutable(Argv0, MainAddr);
255 StringRef Result = sys::path::parent_path(Main);
257 if (!Result.empty()) {
258 SmallString<128> Storage = Result;
259 sys::path::append(Storage, ExeName);
260 sys::path::replace_extension(Storage, EXESuffix);
261 return Storage.str();
267 // LLI create method - Try to find the LLI executable
268 AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0,
269 std::string &Message,
270 const std::vector<std::string> *ToolArgs) {
271 std::string LLIPath =
272 PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t) & createLLI);
273 if (!LLIPath.empty()) {
274 Message = "Found lli: " + LLIPath + "\n";
275 return new LLI(LLIPath, ToolArgs);
278 Message = "Cannot find `lli' in executable directory!\n";
282 //===---------------------------------------------------------------------===//
283 // Custom compiler command implementation of AbstractIntepreter interface
285 // Allows using a custom command for compiling the bitcode, thus allows, for
286 // example, to compile a bitcode fragment without linking or executing, then
287 // using a custom wrapper script to check for compiler errors.
289 class CustomCompiler : public AbstractInterpreter {
290 std::string CompilerCommand;
291 std::vector<std::string> CompilerArgs;
294 const std::string &CompilerCmd, std::vector<std::string> CompArgs) :
295 CompilerCommand(CompilerCmd), CompilerArgs(CompArgs) {}
297 virtual void compileProgram(const std::string &Bitcode,
299 unsigned Timeout = 0,
300 unsigned MemoryLimit = 0);
302 virtual int ExecuteProgram(const std::string &Bitcode,
303 const std::vector<std::string> &Args,
304 const std::string &InputFile,
305 const std::string &OutputFile,
307 const std::vector<std::string> &GCCArgs =
308 std::vector<std::string>(),
309 const std::vector<std::string> &SharedLibs =
310 std::vector<std::string>(),
311 unsigned Timeout = 0,
312 unsigned MemoryLimit = 0) {
313 *Error = "Execution not supported with -compile-custom";
319 void CustomCompiler::compileProgram(const std::string &Bitcode,
322 unsigned MemoryLimit) {
324 std::vector<const char*> ProgramArgs;
325 ProgramArgs.push_back(CompilerCommand.c_str());
327 for (std::size_t i = 0; i < CompilerArgs.size(); ++i)
328 ProgramArgs.push_back(CompilerArgs.at(i).c_str());
329 ProgramArgs.push_back(Bitcode.c_str());
330 ProgramArgs.push_back(0);
332 // Add optional parameters to the running program from Argv
333 for (unsigned i = 0, e = CompilerArgs.size(); i != e; ++i)
334 ProgramArgs.push_back(CompilerArgs[i].c_str());
336 if (RunProgramWithTimeout(CompilerCommand, &ProgramArgs[0],
338 Timeout, MemoryLimit, Error))
339 *Error = ProcessFailure(CompilerCommand, &ProgramArgs[0],
340 Timeout, MemoryLimit);
343 //===---------------------------------------------------------------------===//
344 // Custom execution command implementation of AbstractIntepreter interface
346 // Allows using a custom command for executing the bitcode, thus allows,
347 // for example, to invoke a cross compiler for code generation followed by
348 // a simulator that executes the generated binary.
350 class CustomExecutor : public AbstractInterpreter {
351 std::string ExecutionCommand;
352 std::vector<std::string> ExecutorArgs;
355 const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) :
356 ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {}
358 virtual int ExecuteProgram(const std::string &Bitcode,
359 const std::vector<std::string> &Args,
360 const std::string &InputFile,
361 const std::string &OutputFile,
363 const std::vector<std::string> &GCCArgs,
364 const std::vector<std::string> &SharedLibs =
365 std::vector<std::string>(),
366 unsigned Timeout = 0,
367 unsigned MemoryLimit = 0);
371 int CustomExecutor::ExecuteProgram(const std::string &Bitcode,
372 const std::vector<std::string> &Args,
373 const std::string &InputFile,
374 const std::string &OutputFile,
376 const std::vector<std::string> &GCCArgs,
377 const std::vector<std::string> &SharedLibs,
379 unsigned MemoryLimit) {
381 std::vector<const char*> ProgramArgs;
382 ProgramArgs.push_back(ExecutionCommand.c_str());
384 for (std::size_t i = 0; i < ExecutorArgs.size(); ++i)
385 ProgramArgs.push_back(ExecutorArgs.at(i).c_str());
386 ProgramArgs.push_back(Bitcode.c_str());
387 ProgramArgs.push_back(0);
389 // Add optional parameters to the running program from Argv
390 for (unsigned i = 0, e = Args.size(); i != e; ++i)
391 ProgramArgs.push_back(Args[i].c_str());
393 return RunProgramWithTimeout(
395 &ProgramArgs[0], InputFile, OutputFile,
396 OutputFile, Timeout, MemoryLimit, Error);
399 // Tokenize the CommandLine to the command and the args to allow
400 // defining a full command line as the command instead of just the
401 // executed program. We cannot just pass the whole string after the command
402 // as a single argument because then program sees only a single
403 // command line argument (with spaces in it: "foo bar" instead
404 // of "foo" and "bar").
406 // code borrowed from:
407 // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html
408 static void lexCommand(std::string &Message, const std::string &CommandLine,
409 std::string &CmdPath, std::vector<std::string> Args) {
411 std::string Command = "";
412 std::string delimiters = " ";
414 std::string::size_type lastPos = CommandLine.find_first_not_of(delimiters, 0);
415 std::string::size_type pos = CommandLine.find_first_of(delimiters, lastPos);
417 while (std::string::npos != pos || std::string::npos != lastPos) {
418 std::string token = CommandLine.substr(lastPos, pos - lastPos);
422 Args.push_back(token);
423 // Skip delimiters. Note the "not_of"
424 lastPos = CommandLine.find_first_not_of(delimiters, pos);
425 // Find next "non-delimiter"
426 pos = CommandLine.find_first_of(delimiters, lastPos);
429 CmdPath = sys::FindProgramByName(Command);
430 if (CmdPath.empty()) {
432 std::string("Cannot find '") + Command +
437 Message = "Found command in: " + CmdPath + "\n";
440 // Custom execution environment create method, takes the execution command
442 AbstractInterpreter *AbstractInterpreter::createCustomCompiler(
443 std::string &Message,
444 const std::string &CompileCommandLine) {
447 std::vector<std::string> Args;
448 lexCommand(Message, CompileCommandLine, CmdPath, Args);
452 return new CustomCompiler(CmdPath, Args);
455 // Custom execution environment create method, takes the execution command
457 AbstractInterpreter *AbstractInterpreter::createCustomExecutor(
458 std::string &Message,
459 const std::string &ExecCommandLine) {
463 std::vector<std::string> Args;
464 lexCommand(Message, ExecCommandLine, CmdPath, Args);
468 return new CustomExecutor(CmdPath, Args);
471 //===----------------------------------------------------------------------===//
472 // LLC Implementation of AbstractIntepreter interface
474 GCC::FileType LLC::OutputCode(const std::string &Bitcode,
475 std::string &OutputAsmFile, std::string &Error,
476 unsigned Timeout, unsigned MemoryLimit) {
477 const char *Suffix = (UseIntegratedAssembler ? ".llc.o" : ".llc.s");
479 SmallString<128> UniqueFile;
481 sys::fs::createUniqueFile(Bitcode + "-%%%%%%%" + Suffix, UniqueFile);
483 errs() << "Error making unique filename: " << EC.message() << "\n";
486 OutputAsmFile = UniqueFile.str();
487 std::vector<const char *> LLCArgs;
488 LLCArgs.push_back(LLCPath.c_str());
490 // Add any extra LLC args.
491 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
492 LLCArgs.push_back(ToolArgs[i].c_str());
494 LLCArgs.push_back("-o");
495 LLCArgs.push_back(OutputAsmFile.c_str()); // Output to the Asm file
496 LLCArgs.push_back(Bitcode.c_str()); // This is the input bitcode
498 if (UseIntegratedAssembler)
499 LLCArgs.push_back("-filetype=obj");
501 LLCArgs.push_back (0);
503 outs() << (UseIntegratedAssembler ? "<llc-ia>" : "<llc>");
505 DEBUG(errs() << "\nAbout to run:\t";
506 for (unsigned i = 0, e = LLCArgs.size()-1; i != e; ++i)
507 errs() << " " << LLCArgs[i];
510 if (RunProgramWithTimeout(LLCPath, &LLCArgs[0],
512 Timeout, MemoryLimit))
513 Error = ProcessFailure(LLCPath, &LLCArgs[0],
514 Timeout, MemoryLimit);
515 return UseIntegratedAssembler ? GCC::ObjectFile : GCC::AsmFile;
518 void LLC::compileProgram(const std::string &Bitcode, std::string *Error,
519 unsigned Timeout, unsigned MemoryLimit) {
520 std::string OutputAsmFile;
521 OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, MemoryLimit);
522 sys::fs::remove(OutputAsmFile);
525 int LLC::ExecuteProgram(const std::string &Bitcode,
526 const std::vector<std::string> &Args,
527 const std::string &InputFile,
528 const std::string &OutputFile,
530 const std::vector<std::string> &ArgsForGCC,
531 const std::vector<std::string> &SharedLibs,
533 unsigned MemoryLimit) {
535 std::string OutputAsmFile;
536 GCC::FileType FileKind = OutputCode(Bitcode, OutputAsmFile, *Error, Timeout,
538 FileRemover OutFileRemover(OutputAsmFile, !SaveTemps);
540 std::vector<std::string> GCCArgs(ArgsForGCC);
541 GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end());
543 // Assuming LLC worked, compile the result with GCC and run it.
544 return gcc->ExecuteProgram(OutputAsmFile, Args, FileKind,
545 InputFile, OutputFile, Error, GCCArgs,
546 Timeout, MemoryLimit);
549 /// createLLC - Try to find the LLC executable
551 LLC *AbstractInterpreter::createLLC(const char *Argv0,
552 std::string &Message,
553 const std::string &GCCBinary,
554 const std::vector<std::string> *Args,
555 const std::vector<std::string> *GCCArgs,
556 bool UseIntegratedAssembler) {
557 std::string LLCPath =
558 PrependMainExecutablePath("llc", Argv0, (void *)(intptr_t) & createLLC);
559 if (LLCPath.empty()) {
560 Message = "Cannot find `llc' in executable directory!\n";
564 GCC *gcc = GCC::create(Message, GCCBinary, GCCArgs);
566 errs() << Message << "\n";
569 Message = "Found llc: " + LLCPath + "\n";
570 return new LLC(LLCPath, gcc, Args, UseIntegratedAssembler);
573 //===---------------------------------------------------------------------===//
574 // JIT Implementation of AbstractIntepreter interface
577 class JIT : public AbstractInterpreter {
578 std::string LLIPath; // The path to the LLI executable
579 std::vector<std::string> ToolArgs; // Args to pass to LLI
581 JIT(const std::string &Path, const std::vector<std::string> *Args)
584 if (Args) { ToolArgs = *Args; }
587 virtual int ExecuteProgram(const std::string &Bitcode,
588 const std::vector<std::string> &Args,
589 const std::string &InputFile,
590 const std::string &OutputFile,
592 const std::vector<std::string> &GCCArgs =
593 std::vector<std::string>(),
594 const std::vector<std::string> &SharedLibs =
595 std::vector<std::string>(),
596 unsigned Timeout = 0,
597 unsigned MemoryLimit = 0);
601 int JIT::ExecuteProgram(const std::string &Bitcode,
602 const std::vector<std::string> &Args,
603 const std::string &InputFile,
604 const std::string &OutputFile,
606 const std::vector<std::string> &GCCArgs,
607 const std::vector<std::string> &SharedLibs,
609 unsigned MemoryLimit) {
610 // Construct a vector of parameters, incorporating those from the command-line
611 std::vector<const char*> JITArgs;
612 JITArgs.push_back(LLIPath.c_str());
613 JITArgs.push_back("-force-interpreter=false");
615 // Add any extra LLI args.
616 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
617 JITArgs.push_back(ToolArgs[i].c_str());
619 for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
620 JITArgs.push_back("-load");
621 JITArgs.push_back(SharedLibs[i].c_str());
623 JITArgs.push_back(Bitcode.c_str());
624 // Add optional parameters to the running program from Argv
625 for (unsigned i=0, e = Args.size(); i != e; ++i)
626 JITArgs.push_back(Args[i].c_str());
627 JITArgs.push_back(0);
629 outs() << "<jit>"; outs().flush();
630 DEBUG(errs() << "\nAbout to run:\t";
631 for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
632 errs() << " " << JITArgs[i];
635 DEBUG(errs() << "\nSending output to " << OutputFile << "\n");
636 return RunProgramWithTimeout(LLIPath, &JITArgs[0],
637 InputFile, OutputFile, OutputFile,
638 Timeout, MemoryLimit, Error);
641 /// createJIT - Try to find the LLI executable
643 AbstractInterpreter *AbstractInterpreter::createJIT(const char *Argv0,
644 std::string &Message, const std::vector<std::string> *Args) {
645 std::string LLIPath =
646 PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t) & createJIT);
647 if (!LLIPath.empty()) {
648 Message = "Found lli: " + LLIPath + "\n";
649 return new JIT(LLIPath, Args);
652 Message = "Cannot find `lli' in executable directory!\n";
656 //===---------------------------------------------------------------------===//
660 static bool IsARMArchitecture(std::vector<const char*> Args) {
661 for (std::vector<const char*>::const_iterator
662 I = Args.begin(), E = Args.end(); I != E; ++I) {
663 if (StringRef(*I).equals_lower("-arch")) {
665 if (I != E && StringRef(*I).startswith_lower("arm"))
673 int GCC::ExecuteProgram(const std::string &ProgramFile,
674 const std::vector<std::string> &Args,
676 const std::string &InputFile,
677 const std::string &OutputFile,
679 const std::vector<std::string> &ArgsForGCC,
681 unsigned MemoryLimit) {
682 std::vector<const char*> GCCArgs;
684 GCCArgs.push_back(GCCPath.c_str());
686 if (TargetTriple.getArch() == Triple::x86)
687 GCCArgs.push_back("-m32");
689 for (std::vector<std::string>::const_iterator
690 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
691 GCCArgs.push_back(I->c_str());
693 // Specify -x explicitly in case the extension is wonky
694 if (fileType != ObjectFile) {
695 GCCArgs.push_back("-x");
696 if (fileType == CFile) {
697 GCCArgs.push_back("c");
698 GCCArgs.push_back("-fno-strict-aliasing");
700 GCCArgs.push_back("assembler");
702 // For ARM architectures we don't want this flag. bugpoint isn't
703 // explicitly told what architecture it is working on, so we get
705 if (TargetTriple.isOSDarwin() && !IsARMArchitecture(GCCArgs))
706 GCCArgs.push_back("-force_cpusubtype_ALL");
710 GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename.
712 GCCArgs.push_back("-x");
713 GCCArgs.push_back("none");
714 GCCArgs.push_back("-o");
716 SmallString<128> OutputBinary;
718 sys::fs::createUniqueFile(ProgramFile + "-%%%%%%%.gcc.exe", OutputBinary);
720 errs() << "Error making unique filename: " << EC.message() << "\n";
723 GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
725 // Add any arguments intended for GCC. We locate them here because this is
726 // most likely -L and -l options that need to come before other libraries but
727 // after the source. Other options won't be sensitive to placement on the
728 // command line, so this should be safe.
729 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
730 GCCArgs.push_back(ArgsForGCC[i].c_str());
732 GCCArgs.push_back("-lm"); // Hard-code the math library...
733 GCCArgs.push_back("-O2"); // Optimize the program a bit...
734 #if defined (HAVE_LINK_R)
735 GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files
737 if (TargetTriple.getArch() == Triple::sparc)
738 GCCArgs.push_back("-mcpu=v9");
739 GCCArgs.push_back(0); // NULL terminator
741 outs() << "<gcc>"; outs().flush();
742 DEBUG(errs() << "\nAbout to run:\t";
743 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i)
744 errs() << " " << GCCArgs[i];
747 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "", "", "")) {
748 *Error = ProcessFailure(GCCPath, &GCCArgs[0]);
752 std::vector<const char*> ProgramArgs;
754 // Declared here so that the destructor only runs after
755 // ProgramArgs is used.
758 if (RemoteClientPath.empty())
759 ProgramArgs.push_back(OutputBinary.c_str());
761 ProgramArgs.push_back(RemoteClientPath.c_str());
762 ProgramArgs.push_back(RemoteHost.c_str());
763 if (!RemoteUser.empty()) {
764 ProgramArgs.push_back("-l");
765 ProgramArgs.push_back(RemoteUser.c_str());
767 if (!RemotePort.empty()) {
768 ProgramArgs.push_back("-p");
769 ProgramArgs.push_back(RemotePort.c_str());
771 if (!RemoteExtra.empty()) {
772 ProgramArgs.push_back(RemoteExtra.c_str());
775 // Full path to the binary. We need to cd to the exec directory because
776 // there is a dylib there that the exec expects to find in the CWD
777 char* env_pwd = getenv("PWD");
781 Exec += OutputBinary.c_str();
782 ProgramArgs.push_back(Exec.c_str());
785 // Add optional parameters to the running program from Argv
786 for (unsigned i = 0, e = Args.size(); i != e; ++i)
787 ProgramArgs.push_back(Args[i].c_str());
788 ProgramArgs.push_back(0); // NULL terminator
790 // Now that we have a binary, run it!
791 outs() << "<program>"; outs().flush();
792 DEBUG(errs() << "\nAbout to run:\t";
793 for (unsigned i = 0, e = ProgramArgs.size()-1; i != e; ++i)
794 errs() << " " << ProgramArgs[i];
798 FileRemover OutputBinaryRemover(OutputBinary.str(), !SaveTemps);
800 if (RemoteClientPath.empty()) {
801 DEBUG(errs() << "<run locally>");
802 int ExitCode = RunProgramWithTimeout(OutputBinary.str(), &ProgramArgs[0],
803 InputFile, OutputFile, OutputFile,
804 Timeout, MemoryLimit, Error);
805 // Treat a signal (usually SIGSEGV) or timeout as part of the program output
806 // so that crash-causing miscompilation is handled seamlessly.
808 std::ofstream outFile(OutputFile.c_str(), std::ios_base::app);
809 outFile << *Error << '\n';
815 outs() << "<run remotely>"; outs().flush();
816 return RunProgramRemotelyWithTimeout(RemoteClientPath,
817 &ProgramArgs[0], InputFile, OutputFile,
818 OutputFile, Timeout, MemoryLimit);
822 int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
823 std::string &OutputFile,
824 const std::vector<std::string> &ArgsForGCC,
825 std::string &Error) {
826 SmallString<128> UniqueFilename;
827 error_code EC = sys::fs::createUniqueFile(
828 InputFile + "-%%%%%%%" + LTDL_SHLIB_EXT, UniqueFilename);
830 errs() << "Error making unique filename: " << EC.message() << "\n";
833 OutputFile = UniqueFilename.str();
835 std::vector<const char*> GCCArgs;
837 GCCArgs.push_back(GCCPath.c_str());
839 if (TargetTriple.getArch() == Triple::x86)
840 GCCArgs.push_back("-m32");
842 for (std::vector<std::string>::const_iterator
843 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
844 GCCArgs.push_back(I->c_str());
846 // Compile the C/asm file into a shared object
847 if (fileType != ObjectFile) {
848 GCCArgs.push_back("-x");
849 GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c");
851 GCCArgs.push_back("-fno-strict-aliasing");
852 GCCArgs.push_back(InputFile.c_str()); // Specify the input filename.
853 GCCArgs.push_back("-x");
854 GCCArgs.push_back("none");
855 if (TargetTriple.getArch() == Triple::sparc)
856 GCCArgs.push_back("-G"); // Compile a shared library, `-G' for Sparc
857 else if (TargetTriple.isOSDarwin()) {
858 // link all source files into a single module in data segment, rather than
859 // generating blocks. dynamic_lookup requires that you set
860 // MACOSX_DEPLOYMENT_TARGET=10.3 in your env. FIXME: it would be better for
861 // bugpoint to just pass that in the environment of GCC.
862 GCCArgs.push_back("-single_module");
863 GCCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC
864 GCCArgs.push_back("-undefined");
865 GCCArgs.push_back("dynamic_lookup");
867 GCCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others
869 if (TargetTriple.getArch() == Triple::x86_64)
870 GCCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC
872 if (TargetTriple.getArch() == Triple::sparc)
873 GCCArgs.push_back("-mcpu=v9");
875 GCCArgs.push_back("-o");
876 GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename.
877 GCCArgs.push_back("-O2"); // Optimize the program a bit.
881 // Add any arguments intended for GCC. We locate them here because this is
882 // most likely -L and -l options that need to come before other libraries but
883 // after the source. Other options won't be sensitive to placement on the
884 // command line, so this should be safe.
885 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
886 GCCArgs.push_back(ArgsForGCC[i].c_str());
887 GCCArgs.push_back(0); // NULL terminator
891 outs() << "<gcc>"; outs().flush();
892 DEBUG(errs() << "\nAbout to run:\t";
893 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i)
894 errs() << " " << GCCArgs[i];
897 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "", "", "")) {
898 Error = ProcessFailure(GCCPath, &GCCArgs[0]);
904 /// create - Try to find the `gcc' executable
906 GCC *GCC::create(std::string &Message,
907 const std::string &GCCBinary,
908 const std::vector<std::string> *Args) {
909 std::string GCCPath = sys::FindProgramByName(GCCBinary);
910 if (GCCPath.empty()) {
911 Message = "Cannot find `"+ GCCBinary +"' in PATH!\n";
915 std::string RemoteClientPath;
916 if (!RemoteClient.empty())
917 RemoteClientPath = sys::FindProgramByName(RemoteClient);
919 Message = "Found gcc: " + GCCPath + "\n";
920 return new GCC(GCCPath, RemoteClientPath, Args);