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 #include "ToolRunner.h"
15 #include "llvm/Config/config.h" // for HAVE_LINK_R
16 #include "llvm/Support/CommandLine.h"
17 #include "llvm/Support/Debug.h"
18 #include "llvm/Support/FileSystem.h"
19 #include "llvm/Support/FileUtilities.h"
20 #include "llvm/Support/Program.h"
21 #include "llvm/Support/raw_ostream.h"
26 #define DEBUG_TYPE "toolrunner"
30 SaveTemps("save-temps", cl::init(false), cl::desc("Save temporary files"));
35 RemoteClient("remote-client",
36 cl::desc("Remote execution client (rsh/ssh)"));
39 RemoteHost("remote-host",
40 cl::desc("Remote execution (rsh/ssh) host"));
43 RemotePort("remote-port",
44 cl::desc("Remote execution (rsh/ssh) port"));
47 RemoteUser("remote-user",
48 cl::desc("Remote execution (rsh/ssh) user id"));
51 RemoteExtra("remote-extra-options",
52 cl::desc("Remote execution (rsh/ssh) extra options"));
55 /// RunProgramWithTimeout - This function provides an alternate interface
56 /// to the sys::Program::ExecuteAndWait interface.
57 /// @see sys::Program::ExecuteAndWait
58 static int RunProgramWithTimeout(StringRef ProgramPath,
63 unsigned NumSeconds = 0,
64 unsigned MemoryLimit = 0,
65 std::string *ErrMsg = 0) {
66 const StringRef *Redirects[3] = { &StdInFile, &StdOutFile, &StdErrFile };
68 #if 0 // For debug purposes
71 for (unsigned i = 0; Args[i]; ++i)
72 errs() << " " << Args[i];
77 return sys::ExecuteAndWait(ProgramPath, Args, 0, Redirects,
78 NumSeconds, MemoryLimit, ErrMsg);
81 /// RunProgramRemotelyWithTimeout - This function runs the given program
82 /// remotely using the given remote client and the sys::Program::ExecuteAndWait.
83 /// Returns the remote program exit code or reports a remote client error if it
84 /// fails. Remote client is required to return 255 if it failed or program exit
86 /// @see sys::Program::ExecuteAndWait
87 static int RunProgramRemotelyWithTimeout(StringRef RemoteClientPath,
92 unsigned NumSeconds = 0,
93 unsigned MemoryLimit = 0) {
94 const StringRef *Redirects[3] = { &StdInFile, &StdOutFile, &StdErrFile };
96 #if 0 // For debug purposes
99 for (unsigned i = 0; Args[i]; ++i)
100 errs() << " " << Args[i];
105 // Run the program remotely with the remote client
106 int ReturnCode = sys::ExecuteAndWait(RemoteClientPath, Args, 0,
107 Redirects, NumSeconds, MemoryLimit);
109 // Has the remote client fail?
110 if (255 == ReturnCode) {
111 std::ostringstream OS;
112 OS << "\nError running remote client:\n ";
113 for (const char **Arg = Args; *Arg; ++Arg)
117 // The error message is in the output file, let's print it out from there.
118 std::string StdOutFileName = StdOutFile.str();
119 std::ifstream ErrorFile(StdOutFileName.c_str());
121 std::copy(std::istreambuf_iterator<char>(ErrorFile),
122 std::istreambuf_iterator<char>(),
123 std::ostreambuf_iterator<char>(OS));
133 static std::string ProcessFailure(StringRef ProgPath, const char** Args,
134 unsigned Timeout = 0,
135 unsigned MemoryLimit = 0) {
136 std::ostringstream OS;
137 OS << "\nError running tool:\n ";
138 for (const char **Arg = Args; *Arg; ++Arg)
142 // Rerun the compiler, capturing any error messages to print them.
143 SmallString<128> ErrorFilename;
145 error_code EC = sys::fs::createTemporaryFile(
146 "bugpoint.program_error_messages", "", ErrorFD, ErrorFilename);
148 errs() << "Error making unique filename: " << EC.message() << "\n";
151 RunProgramWithTimeout(ProgPath, Args, "", ErrorFilename.str(),
152 ErrorFilename.str(), Timeout, MemoryLimit);
153 // FIXME: check return code ?
155 // Print out the error messages generated by GCC if possible...
156 std::ifstream ErrorFile(ErrorFilename.c_str());
158 std::copy(std::istreambuf_iterator<char>(ErrorFile),
159 std::istreambuf_iterator<char>(),
160 std::ostreambuf_iterator<char>(OS));
164 sys::fs::remove(ErrorFilename.c_str());
168 //===---------------------------------------------------------------------===//
169 // LLI Implementation of AbstractIntepreter interface
172 class LLI : public AbstractInterpreter {
173 std::string LLIPath; // The path to the LLI executable
174 std::vector<std::string> ToolArgs; // Args to pass to LLI
176 LLI(const std::string &Path, const std::vector<std::string> *Args)
179 if (Args) { ToolArgs = *Args; }
182 int ExecuteProgram(const std::string &Bitcode,
183 const std::vector<std::string> &Args,
184 const std::string &InputFile,
185 const std::string &OutputFile,
187 const std::vector<std::string> &GCCArgs,
188 const std::vector<std::string> &SharedLibs =
189 std::vector<std::string>(),
190 unsigned Timeout = 0,
191 unsigned MemoryLimit = 0) override;
195 int LLI::ExecuteProgram(const std::string &Bitcode,
196 const std::vector<std::string> &Args,
197 const std::string &InputFile,
198 const std::string &OutputFile,
200 const std::vector<std::string> &GCCArgs,
201 const std::vector<std::string> &SharedLibs,
203 unsigned MemoryLimit) {
204 std::vector<const char*> LLIArgs;
205 LLIArgs.push_back(LLIPath.c_str());
206 LLIArgs.push_back("-force-interpreter=true");
208 for (std::vector<std::string>::const_iterator i = SharedLibs.begin(),
209 e = SharedLibs.end(); i != e; ++i) {
210 LLIArgs.push_back("-load");
211 LLIArgs.push_back((*i).c_str());
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());
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);
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];
230 return RunProgramWithTimeout(LLIPath, &LLIArgs[0],
231 InputFile, OutputFile, OutputFile,
232 Timeout, MemoryLimit, Error);
235 void AbstractInterpreter::anchor() { }
237 #if defined(LLVM_ON_UNIX)
238 const char EXESuffix[] = "";
239 #elif defined (LLVM_ON_WIN32)
240 const char EXESuffix[] = "exe";
243 /// Prepend the path to the program being executed
244 /// to \p ExeName, given the value of argv[0] and the address of main()
245 /// itself. This allows us to find another LLVM tool if it is built in the same
246 /// directory. An empty string is returned on error; note that this function
247 /// just mainpulates the path and doesn't check for executability.
248 /// @brief Find a named executable.
249 static std::string PrependMainExecutablePath(const std::string &ExeName,
252 // Check the directory that the calling program is in. We can do
253 // this if ProgramPath contains at least one / character, indicating that it
254 // is a relative path to the executable itself.
255 std::string Main = sys::fs::getMainExecutable(Argv0, MainAddr);
256 StringRef Result = sys::path::parent_path(Main);
258 if (!Result.empty()) {
259 SmallString<128> Storage = Result;
260 sys::path::append(Storage, ExeName);
261 sys::path::replace_extension(Storage, EXESuffix);
262 return Storage.str();
268 // LLI create method - Try to find the LLI executable
269 AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0,
270 std::string &Message,
271 const std::vector<std::string> *ToolArgs) {
272 std::string LLIPath =
273 PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t) & createLLI);
274 if (!LLIPath.empty()) {
275 Message = "Found lli: " + LLIPath + "\n";
276 return new LLI(LLIPath, ToolArgs);
279 Message = "Cannot find `lli' in executable directory!\n";
283 //===---------------------------------------------------------------------===//
284 // Custom compiler command implementation of AbstractIntepreter interface
286 // Allows using a custom command for compiling the bitcode, thus allows, for
287 // example, to compile a bitcode fragment without linking or executing, then
288 // using a custom wrapper script to check for compiler errors.
290 class CustomCompiler : public AbstractInterpreter {
291 std::string CompilerCommand;
292 std::vector<std::string> CompilerArgs;
295 const std::string &CompilerCmd, std::vector<std::string> CompArgs) :
296 CompilerCommand(CompilerCmd), CompilerArgs(CompArgs) {}
298 void compileProgram(const std::string &Bitcode,
300 unsigned Timeout = 0,
301 unsigned MemoryLimit = 0) override;
303 int ExecuteProgram(const std::string &Bitcode,
304 const std::vector<std::string> &Args,
305 const std::string &InputFile,
306 const std::string &OutputFile,
308 const std::vector<std::string> &GCCArgs =
309 std::vector<std::string>(),
310 const std::vector<std::string> &SharedLibs =
311 std::vector<std::string>(),
312 unsigned Timeout = 0,
313 unsigned MemoryLimit = 0) override {
314 *Error = "Execution not supported with -compile-custom";
320 void CustomCompiler::compileProgram(const std::string &Bitcode,
323 unsigned MemoryLimit) {
325 std::vector<const char*> ProgramArgs;
326 ProgramArgs.push_back(CompilerCommand.c_str());
328 for (std::size_t i = 0; i < CompilerArgs.size(); ++i)
329 ProgramArgs.push_back(CompilerArgs.at(i).c_str());
330 ProgramArgs.push_back(Bitcode.c_str());
331 ProgramArgs.push_back(0);
333 // Add optional parameters to the running program from Argv
334 for (unsigned i = 0, e = CompilerArgs.size(); i != e; ++i)
335 ProgramArgs.push_back(CompilerArgs[i].c_str());
337 if (RunProgramWithTimeout(CompilerCommand, &ProgramArgs[0],
339 Timeout, MemoryLimit, Error))
340 *Error = ProcessFailure(CompilerCommand, &ProgramArgs[0],
341 Timeout, MemoryLimit);
344 //===---------------------------------------------------------------------===//
345 // Custom execution command implementation of AbstractIntepreter interface
347 // Allows using a custom command for executing the bitcode, thus allows,
348 // for example, to invoke a cross compiler for code generation followed by
349 // a simulator that executes the generated binary.
351 class CustomExecutor : public AbstractInterpreter {
352 std::string ExecutionCommand;
353 std::vector<std::string> ExecutorArgs;
356 const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) :
357 ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {}
359 int ExecuteProgram(const std::string &Bitcode,
360 const std::vector<std::string> &Args,
361 const std::string &InputFile,
362 const std::string &OutputFile,
364 const std::vector<std::string> &GCCArgs,
365 const std::vector<std::string> &SharedLibs =
366 std::vector<std::string>(),
367 unsigned Timeout = 0,
368 unsigned MemoryLimit = 0) override;
372 int CustomExecutor::ExecuteProgram(const std::string &Bitcode,
373 const std::vector<std::string> &Args,
374 const std::string &InputFile,
375 const std::string &OutputFile,
377 const std::vector<std::string> &GCCArgs,
378 const std::vector<std::string> &SharedLibs,
380 unsigned MemoryLimit) {
382 std::vector<const char*> ProgramArgs;
383 ProgramArgs.push_back(ExecutionCommand.c_str());
385 for (std::size_t i = 0; i < ExecutorArgs.size(); ++i)
386 ProgramArgs.push_back(ExecutorArgs.at(i).c_str());
387 ProgramArgs.push_back(Bitcode.c_str());
388 ProgramArgs.push_back(0);
390 // Add optional parameters to the running program from Argv
391 for (unsigned i = 0, e = Args.size(); i != e; ++i)
392 ProgramArgs.push_back(Args[i].c_str());
394 return RunProgramWithTimeout(
396 &ProgramArgs[0], InputFile, OutputFile,
397 OutputFile, Timeout, MemoryLimit, Error);
400 // Tokenize the CommandLine to the command and the args to allow
401 // defining a full command line as the command instead of just the
402 // executed program. We cannot just pass the whole string after the command
403 // as a single argument because then program sees only a single
404 // command line argument (with spaces in it: "foo bar" instead
405 // of "foo" and "bar").
407 // code borrowed from:
408 // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html
409 static void lexCommand(std::string &Message, const std::string &CommandLine,
410 std::string &CmdPath, std::vector<std::string> &Args) {
412 std::string Command = "";
413 std::string delimiters = " ";
415 std::string::size_type lastPos = CommandLine.find_first_not_of(delimiters, 0);
416 std::string::size_type pos = CommandLine.find_first_of(delimiters, lastPos);
418 while (std::string::npos != pos || std::string::npos != lastPos) {
419 std::string token = CommandLine.substr(lastPos, pos - lastPos);
423 Args.push_back(token);
424 // Skip delimiters. Note the "not_of"
425 lastPos = CommandLine.find_first_not_of(delimiters, pos);
426 // Find next "non-delimiter"
427 pos = CommandLine.find_first_of(delimiters, lastPos);
430 CmdPath = sys::FindProgramByName(Command);
431 if (CmdPath.empty()) {
433 std::string("Cannot find '") + Command +
438 Message = "Found command in: " + CmdPath + "\n";
441 // Custom execution environment create method, takes the execution command
443 AbstractInterpreter *AbstractInterpreter::createCustomCompiler(
444 std::string &Message,
445 const std::string &CompileCommandLine) {
448 std::vector<std::string> Args;
449 lexCommand(Message, CompileCommandLine, CmdPath, Args);
453 return new CustomCompiler(CmdPath, Args);
456 // Custom execution environment create method, takes the execution command
458 AbstractInterpreter *AbstractInterpreter::createCustomExecutor(
459 std::string &Message,
460 const std::string &ExecCommandLine) {
464 std::vector<std::string> Args;
465 lexCommand(Message, ExecCommandLine, CmdPath, Args);
469 return new CustomExecutor(CmdPath, Args);
472 //===----------------------------------------------------------------------===//
473 // LLC Implementation of AbstractIntepreter interface
475 GCC::FileType LLC::OutputCode(const std::string &Bitcode,
476 std::string &OutputAsmFile, std::string &Error,
477 unsigned Timeout, unsigned MemoryLimit) {
478 const char *Suffix = (UseIntegratedAssembler ? ".llc.o" : ".llc.s");
480 SmallString<128> UniqueFile;
482 sys::fs::createUniqueFile(Bitcode + "-%%%%%%%" + Suffix, UniqueFile);
484 errs() << "Error making unique filename: " << EC.message() << "\n";
487 OutputAsmFile = UniqueFile.str();
488 std::vector<const char *> LLCArgs;
489 LLCArgs.push_back(LLCPath.c_str());
491 // Add any extra LLC args.
492 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
493 LLCArgs.push_back(ToolArgs[i].c_str());
495 LLCArgs.push_back("-o");
496 LLCArgs.push_back(OutputAsmFile.c_str()); // Output to the Asm file
497 LLCArgs.push_back(Bitcode.c_str()); // This is the input bitcode
499 if (UseIntegratedAssembler)
500 LLCArgs.push_back("-filetype=obj");
502 LLCArgs.push_back (0);
504 outs() << (UseIntegratedAssembler ? "<llc-ia>" : "<llc>");
506 DEBUG(errs() << "\nAbout to run:\t";
507 for (unsigned i = 0, e = LLCArgs.size()-1; i != e; ++i)
508 errs() << " " << LLCArgs[i];
511 if (RunProgramWithTimeout(LLCPath, &LLCArgs[0],
513 Timeout, MemoryLimit))
514 Error = ProcessFailure(LLCPath, &LLCArgs[0],
515 Timeout, MemoryLimit);
516 return UseIntegratedAssembler ? GCC::ObjectFile : GCC::AsmFile;
519 void LLC::compileProgram(const std::string &Bitcode, std::string *Error,
520 unsigned Timeout, unsigned MemoryLimit) {
521 std::string OutputAsmFile;
522 OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, MemoryLimit);
523 sys::fs::remove(OutputAsmFile);
526 int LLC::ExecuteProgram(const std::string &Bitcode,
527 const std::vector<std::string> &Args,
528 const std::string &InputFile,
529 const std::string &OutputFile,
531 const std::vector<std::string> &ArgsForGCC,
532 const std::vector<std::string> &SharedLibs,
534 unsigned MemoryLimit) {
536 std::string OutputAsmFile;
537 GCC::FileType FileKind = OutputCode(Bitcode, OutputAsmFile, *Error, Timeout,
539 FileRemover OutFileRemover(OutputAsmFile, !SaveTemps);
541 std::vector<std::string> GCCArgs(ArgsForGCC);
542 GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end());
544 // Assuming LLC worked, compile the result with GCC and run it.
545 return gcc->ExecuteProgram(OutputAsmFile, Args, FileKind,
546 InputFile, OutputFile, Error, GCCArgs,
547 Timeout, MemoryLimit);
550 /// createLLC - Try to find the LLC executable
552 LLC *AbstractInterpreter::createLLC(const char *Argv0,
553 std::string &Message,
554 const std::string &GCCBinary,
555 const std::vector<std::string> *Args,
556 const std::vector<std::string> *GCCArgs,
557 bool UseIntegratedAssembler) {
558 std::string LLCPath =
559 PrependMainExecutablePath("llc", Argv0, (void *)(intptr_t) & createLLC);
560 if (LLCPath.empty()) {
561 Message = "Cannot find `llc' in executable directory!\n";
565 GCC *gcc = GCC::create(Message, GCCBinary, GCCArgs);
567 errs() << Message << "\n";
570 Message = "Found llc: " + LLCPath + "\n";
571 return new LLC(LLCPath, gcc, Args, UseIntegratedAssembler);
574 //===---------------------------------------------------------------------===//
575 // JIT Implementation of AbstractIntepreter interface
578 class JIT : public AbstractInterpreter {
579 std::string LLIPath; // The path to the LLI executable
580 std::vector<std::string> ToolArgs; // Args to pass to LLI
582 JIT(const std::string &Path, const std::vector<std::string> *Args)
585 if (Args) { ToolArgs = *Args; }
588 int ExecuteProgram(const std::string &Bitcode,
589 const std::vector<std::string> &Args,
590 const std::string &InputFile,
591 const std::string &OutputFile,
593 const std::vector<std::string> &GCCArgs =
594 std::vector<std::string>(),
595 const std::vector<std::string> &SharedLibs =
596 std::vector<std::string>(),
597 unsigned Timeout = 0,
598 unsigned MemoryLimit = 0) override;
602 int JIT::ExecuteProgram(const std::string &Bitcode,
603 const std::vector<std::string> &Args,
604 const std::string &InputFile,
605 const std::string &OutputFile,
607 const std::vector<std::string> &GCCArgs,
608 const std::vector<std::string> &SharedLibs,
610 unsigned MemoryLimit) {
611 // Construct a vector of parameters, incorporating those from the command-line
612 std::vector<const char*> JITArgs;
613 JITArgs.push_back(LLIPath.c_str());
614 JITArgs.push_back("-force-interpreter=false");
616 // Add any extra LLI args.
617 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
618 JITArgs.push_back(ToolArgs[i].c_str());
620 for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
621 JITArgs.push_back("-load");
622 JITArgs.push_back(SharedLibs[i].c_str());
624 JITArgs.push_back(Bitcode.c_str());
625 // Add optional parameters to the running program from Argv
626 for (unsigned i=0, e = Args.size(); i != e; ++i)
627 JITArgs.push_back(Args[i].c_str());
628 JITArgs.push_back(0);
630 outs() << "<jit>"; outs().flush();
631 DEBUG(errs() << "\nAbout to run:\t";
632 for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
633 errs() << " " << JITArgs[i];
636 DEBUG(errs() << "\nSending output to " << OutputFile << "\n");
637 return RunProgramWithTimeout(LLIPath, &JITArgs[0],
638 InputFile, OutputFile, OutputFile,
639 Timeout, MemoryLimit, Error);
642 /// createJIT - Try to find the LLI executable
644 AbstractInterpreter *AbstractInterpreter::createJIT(const char *Argv0,
645 std::string &Message, const std::vector<std::string> *Args) {
646 std::string LLIPath =
647 PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t) & createJIT);
648 if (!LLIPath.empty()) {
649 Message = "Found lli: " + LLIPath + "\n";
650 return new JIT(LLIPath, Args);
653 Message = "Cannot find `lli' in executable directory!\n";
657 //===---------------------------------------------------------------------===//
661 static bool IsARMArchitecture(std::vector<const char*> Args) {
662 for (std::vector<const char*>::const_iterator
663 I = Args.begin(), E = Args.end(); I != E; ++I) {
664 if (StringRef(*I).equals_lower("-arch")) {
666 if (I != E && StringRef(*I).startswith_lower("arm"))
674 int GCC::ExecuteProgram(const std::string &ProgramFile,
675 const std::vector<std::string> &Args,
677 const std::string &InputFile,
678 const std::string &OutputFile,
680 const std::vector<std::string> &ArgsForGCC,
682 unsigned MemoryLimit) {
683 std::vector<const char*> GCCArgs;
685 GCCArgs.push_back(GCCPath.c_str());
687 if (TargetTriple.getArch() == Triple::x86)
688 GCCArgs.push_back("-m32");
690 for (std::vector<std::string>::const_iterator
691 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
692 GCCArgs.push_back(I->c_str());
694 // Specify -x explicitly in case the extension is wonky
695 if (fileType != ObjectFile) {
696 GCCArgs.push_back("-x");
697 if (fileType == CFile) {
698 GCCArgs.push_back("c");
699 GCCArgs.push_back("-fno-strict-aliasing");
701 GCCArgs.push_back("assembler");
703 // For ARM architectures we don't want this flag. bugpoint isn't
704 // explicitly told what architecture it is working on, so we get
706 if (TargetTriple.isOSDarwin() && !IsARMArchitecture(GCCArgs))
707 GCCArgs.push_back("-force_cpusubtype_ALL");
711 GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename.
713 GCCArgs.push_back("-x");
714 GCCArgs.push_back("none");
715 GCCArgs.push_back("-o");
717 SmallString<128> OutputBinary;
719 sys::fs::createUniqueFile(ProgramFile + "-%%%%%%%.gcc.exe", OutputBinary);
721 errs() << "Error making unique filename: " << EC.message() << "\n";
724 GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
726 // Add any arguments intended for GCC. We locate them here because this is
727 // most likely -L and -l options that need to come before other libraries but
728 // after the source. Other options won't be sensitive to placement on the
729 // command line, so this should be safe.
730 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
731 GCCArgs.push_back(ArgsForGCC[i].c_str());
733 GCCArgs.push_back("-lm"); // Hard-code the math library...
734 GCCArgs.push_back("-O2"); // Optimize the program a bit...
735 #if defined (HAVE_LINK_R)
736 GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files
738 if (TargetTriple.getArch() == Triple::sparc)
739 GCCArgs.push_back("-mcpu=v9");
740 GCCArgs.push_back(0); // NULL terminator
742 outs() << "<gcc>"; outs().flush();
743 DEBUG(errs() << "\nAbout to run:\t";
744 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i)
745 errs() << " " << GCCArgs[i];
748 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "", "", "")) {
749 *Error = ProcessFailure(GCCPath, &GCCArgs[0]);
753 std::vector<const char*> ProgramArgs;
755 // Declared here so that the destructor only runs after
756 // ProgramArgs is used.
759 if (RemoteClientPath.empty())
760 ProgramArgs.push_back(OutputBinary.c_str());
762 ProgramArgs.push_back(RemoteClientPath.c_str());
763 ProgramArgs.push_back(RemoteHost.c_str());
764 if (!RemoteUser.empty()) {
765 ProgramArgs.push_back("-l");
766 ProgramArgs.push_back(RemoteUser.c_str());
768 if (!RemotePort.empty()) {
769 ProgramArgs.push_back("-p");
770 ProgramArgs.push_back(RemotePort.c_str());
772 if (!RemoteExtra.empty()) {
773 ProgramArgs.push_back(RemoteExtra.c_str());
776 // Full path to the binary. We need to cd to the exec directory because
777 // there is a dylib there that the exec expects to find in the CWD
778 char* env_pwd = getenv("PWD");
782 Exec += OutputBinary.c_str();
783 ProgramArgs.push_back(Exec.c_str());
786 // Add optional parameters to the running program from Argv
787 for (unsigned i = 0, e = Args.size(); i != e; ++i)
788 ProgramArgs.push_back(Args[i].c_str());
789 ProgramArgs.push_back(0); // NULL terminator
791 // Now that we have a binary, run it!
792 outs() << "<program>"; outs().flush();
793 DEBUG(errs() << "\nAbout to run:\t";
794 for (unsigned i = 0, e = ProgramArgs.size()-1; i != e; ++i)
795 errs() << " " << ProgramArgs[i];
799 FileRemover OutputBinaryRemover(OutputBinary.str(), !SaveTemps);
801 if (RemoteClientPath.empty()) {
802 DEBUG(errs() << "<run locally>");
803 int ExitCode = RunProgramWithTimeout(OutputBinary.str(), &ProgramArgs[0],
804 InputFile, OutputFile, OutputFile,
805 Timeout, MemoryLimit, Error);
806 // Treat a signal (usually SIGSEGV) or timeout as part of the program output
807 // so that crash-causing miscompilation is handled seamlessly.
809 std::ofstream outFile(OutputFile.c_str(), std::ios_base::app);
810 outFile << *Error << '\n';
816 outs() << "<run remotely>"; outs().flush();
817 return RunProgramRemotelyWithTimeout(RemoteClientPath,
818 &ProgramArgs[0], InputFile, OutputFile,
819 OutputFile, Timeout, MemoryLimit);
823 int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
824 std::string &OutputFile,
825 const std::vector<std::string> &ArgsForGCC,
826 std::string &Error) {
827 SmallString<128> UniqueFilename;
828 error_code EC = sys::fs::createUniqueFile(
829 InputFile + "-%%%%%%%" + LTDL_SHLIB_EXT, UniqueFilename);
831 errs() << "Error making unique filename: " << EC.message() << "\n";
834 OutputFile = UniqueFilename.str();
836 std::vector<const char*> GCCArgs;
838 GCCArgs.push_back(GCCPath.c_str());
840 if (TargetTriple.getArch() == Triple::x86)
841 GCCArgs.push_back("-m32");
843 for (std::vector<std::string>::const_iterator
844 I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I)
845 GCCArgs.push_back(I->c_str());
847 // Compile the C/asm file into a shared object
848 if (fileType != ObjectFile) {
849 GCCArgs.push_back("-x");
850 GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c");
852 GCCArgs.push_back("-fno-strict-aliasing");
853 GCCArgs.push_back(InputFile.c_str()); // Specify the input filename.
854 GCCArgs.push_back("-x");
855 GCCArgs.push_back("none");
856 if (TargetTriple.getArch() == Triple::sparc)
857 GCCArgs.push_back("-G"); // Compile a shared library, `-G' for Sparc
858 else if (TargetTriple.isOSDarwin()) {
859 // link all source files into a single module in data segment, rather than
860 // generating blocks. dynamic_lookup requires that you set
861 // MACOSX_DEPLOYMENT_TARGET=10.3 in your env. FIXME: it would be better for
862 // bugpoint to just pass that in the environment of GCC.
863 GCCArgs.push_back("-single_module");
864 GCCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC
865 GCCArgs.push_back("-undefined");
866 GCCArgs.push_back("dynamic_lookup");
868 GCCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others
870 if (TargetTriple.getArch() == Triple::x86_64)
871 GCCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC
873 if (TargetTriple.getArch() == Triple::sparc)
874 GCCArgs.push_back("-mcpu=v9");
876 GCCArgs.push_back("-o");
877 GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename.
878 GCCArgs.push_back("-O2"); // Optimize the program a bit.
882 // Add any arguments intended for GCC. We locate them here because this is
883 // most likely -L and -l options that need to come before other libraries but
884 // after the source. Other options won't be sensitive to placement on the
885 // command line, so this should be safe.
886 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
887 GCCArgs.push_back(ArgsForGCC[i].c_str());
888 GCCArgs.push_back(0); // NULL terminator
892 outs() << "<gcc>"; outs().flush();
893 DEBUG(errs() << "\nAbout to run:\t";
894 for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i)
895 errs() << " " << GCCArgs[i];
898 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "", "", "")) {
899 Error = ProcessFailure(GCCPath, &GCCArgs[0]);
905 /// create - Try to find the `gcc' executable
907 GCC *GCC::create(std::string &Message,
908 const std::string &GCCBinary,
909 const std::vector<std::string> *Args) {
910 std::string GCCPath = sys::FindProgramByName(GCCBinary);
911 if (GCCPath.empty()) {
912 Message = "Cannot find `"+ GCCBinary +"' in PATH!\n";
916 std::string RemoteClientPath;
917 if (!RemoteClient.empty())
918 RemoteClientPath = sys::FindProgramByName(RemoteClient);
920 Message = "Found gcc: " + GCCPath + "\n";
921 return new GCC(GCCPath, RemoteClientPath, Args);