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/System/Program.h"
18 #include "llvm/Support/CommandLine.h"
19 #include "llvm/Support/Debug.h"
20 #include "llvm/Support/FileUtilities.h"
28 RemoteClient("remote-client",
29 cl::desc("Remote execution client (rsh/ssh)"));
32 RemoteHost("remote-host",
33 cl::desc("Remote execution (rsh/ssh) host"));
36 RemoteUser("remote-user",
37 cl::desc("Remote execution (rsh/ssh) user id"));
40 RemoteExtra("remote-extra-options",
41 cl::desc("Remote execution (rsh/ssh) extra options"));
44 ToolExecutionError::~ToolExecutionError() throw() { }
46 /// RunProgramWithTimeout - This function provides an alternate interface to the
47 /// sys::Program::ExecuteAndWait interface.
48 /// @see sys:Program::ExecuteAndWait
49 static int RunProgramWithTimeout(const sys::Path &ProgramPath,
51 const sys::Path &StdInFile,
52 const sys::Path &StdOutFile,
53 const sys::Path &StdErrFile,
54 unsigned NumSeconds = 0,
55 unsigned MemoryLimit = 0) {
56 const sys::Path* redirects[3];
57 redirects[0] = &StdInFile;
58 redirects[1] = &StdOutFile;
59 redirects[2] = &StdErrFile;
63 for (unsigned i = 0; Args[i]; ++i)
64 std::cerr << " " << Args[i];
69 sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects,
70 NumSeconds, MemoryLimit);
75 static void ProcessFailure(sys::Path ProgPath, const char** Args) {
76 std::ostringstream OS;
77 OS << "\nError running tool:\n ";
78 for (const char **Arg = Args; *Arg; ++Arg)
82 // Rerun the compiler, capturing any error messages to print them.
83 sys::Path ErrorFilename("error_messages");
85 if (ErrorFilename.makeUnique(true, &ErrMsg)) {
86 std::cerr << "Error making unique filename: " << ErrMsg << "\n";
89 RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
90 ErrorFilename); // FIXME: check return code ?
92 // Print out the error messages generated by GCC if possible...
93 std::ifstream ErrorFile(ErrorFilename.c_str());
95 std::copy(std::istreambuf_iterator<char>(ErrorFile),
96 std::istreambuf_iterator<char>(),
97 std::ostreambuf_iterator<char>(OS));
101 ErrorFilename.eraseFromDisk();
102 throw ToolExecutionError(OS.str());
105 //===---------------------------------------------------------------------===//
106 // LLI Implementation of AbstractIntepreter interface
109 class LLI : public AbstractInterpreter {
110 std::string LLIPath; // The path to the LLI executable
111 std::vector<std::string> ToolArgs; // Args to pass to LLI
113 LLI(const std::string &Path, const std::vector<std::string> *Args)
116 if (Args) { ToolArgs = *Args; }
119 virtual int ExecuteProgram(const std::string &Bitcode,
120 const std::vector<std::string> &Args,
121 const std::string &InputFile,
122 const std::string &OutputFile,
123 const std::vector<std::string> &GCCArgs,
124 const std::vector<std::string> &SharedLibs =
125 std::vector<std::string>(),
126 unsigned Timeout = 0,
127 unsigned MemoryLimit = 0);
131 int LLI::ExecuteProgram(const std::string &Bitcode,
132 const std::vector<std::string> &Args,
133 const std::string &InputFile,
134 const std::string &OutputFile,
135 const std::vector<std::string> &GCCArgs,
136 const std::vector<std::string> &SharedLibs,
138 unsigned MemoryLimit) {
139 if (!SharedLibs.empty())
140 throw ToolExecutionError("LLI currently does not support "
141 "loading shared libraries.");
143 if (!GCCArgs.empty())
144 throw ToolExecutionError("LLI currently does not support "
146 std::vector<const char*> LLIArgs;
147 LLIArgs.push_back(LLIPath.c_str());
148 LLIArgs.push_back("-force-interpreter=true");
150 // Add any extra LLI args.
151 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
152 LLIArgs.push_back(ToolArgs[i].c_str());
154 LLIArgs.push_back(Bitcode.c_str());
155 // Add optional parameters to the running program from Argv
156 for (unsigned i=0, e = Args.size(); i != e; ++i)
157 LLIArgs.push_back(Args[i].c_str());
158 LLIArgs.push_back(0);
160 std::cout << "<lli>" << std::flush;
161 DEBUG(std::cerr << "\nAbout to run:\t";
162 for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i)
163 std::cerr << " " << LLIArgs[i];
166 return RunProgramWithTimeout(sys::Path(LLIPath), &LLIArgs[0],
167 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
168 Timeout, MemoryLimit);
171 // LLI create method - Try to find the LLI executable
172 AbstractInterpreter *AbstractInterpreter::createLLI(const std::string &ProgPath,
173 std::string &Message,
174 const std::vector<std::string> *ToolArgs) {
175 std::string LLIPath = FindExecutable("lli", ProgPath).toString();
176 if (!LLIPath.empty()) {
177 Message = "Found lli: " + LLIPath + "\n";
178 return new LLI(LLIPath, ToolArgs);
181 Message = "Cannot find `lli' in executable directory or PATH!\n";
185 //===---------------------------------------------------------------------===//
186 // Custom execution command implementation of AbstractIntepreter interface
188 // Allows using a custom command for executing the bitcode, thus allows,
189 // for example, to invoke a cross compiler for code generation followed by
190 // a simulator that executes the generated binary.
192 class CustomExecutor : public AbstractInterpreter {
193 std::string ExecutionCommand;
194 std::vector<std::string> ExecutorArgs;
197 const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) :
198 ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {}
200 virtual int ExecuteProgram(const std::string &Bitcode,
201 const std::vector<std::string> &Args,
202 const std::string &InputFile,
203 const std::string &OutputFile,
204 const std::vector<std::string> &GCCArgs,
205 const std::vector<std::string> &SharedLibs =
206 std::vector<std::string>(),
207 unsigned Timeout = 0,
208 unsigned MemoryLimit = 0);
212 int CustomExecutor::ExecuteProgram(const std::string &Bitcode,
213 const std::vector<std::string> &Args,
214 const std::string &InputFile,
215 const std::string &OutputFile,
216 const std::vector<std::string> &GCCArgs,
217 const std::vector<std::string> &SharedLibs,
219 unsigned MemoryLimit) {
221 std::vector<const char*> ProgramArgs;
222 ProgramArgs.push_back(ExecutionCommand.c_str());
224 for (std::size_t i = 0; i < ExecutorArgs.size(); ++i)
225 ProgramArgs.push_back(ExecutorArgs.at(i).c_str());
226 ProgramArgs.push_back(Bitcode.c_str());
227 ProgramArgs.push_back(0);
229 // Add optional parameters to the running program from Argv
230 for (unsigned i=0, e = Args.size(); i != e; ++i)
231 ProgramArgs.push_back(Args[i].c_str());
233 return RunProgramWithTimeout(
234 sys::Path(ExecutionCommand),
235 &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile),
236 sys::Path(OutputFile), Timeout, MemoryLimit);
239 // Custom execution environment create method, takes the execution command
241 AbstractInterpreter *AbstractInterpreter::createCustom(
242 const std::string &ProgramPath,
243 std::string &Message,
244 const std::string &ExecCommandLine) {
246 std::string Command = "";
247 std::vector<std::string> Args;
248 std::string delimiters = " ";
250 // Tokenize the ExecCommandLine to the command and the args to allow
251 // defining a full command line as the command instead of just the
252 // executed program. We cannot just pass the whole string after the command
253 // as a single argument because then program sees only a single
254 // command line argument (with spaces in it: "foo bar" instead
255 // of "foo" and "bar").
257 // code borrowed from:
258 // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html
259 std::string::size_type lastPos =
260 ExecCommandLine.find_first_not_of(delimiters, 0);
261 std::string::size_type pos =
262 ExecCommandLine.find_first_of(delimiters, lastPos);
264 while (std::string::npos != pos || std::string::npos != lastPos) {
265 std::string token = ExecCommandLine.substr(lastPos, pos - lastPos);
269 Args.push_back(token);
270 // Skip delimiters. Note the "not_of"
271 lastPos = ExecCommandLine.find_first_not_of(delimiters, pos);
272 // Find next "non-delimiter"
273 pos = ExecCommandLine.find_first_of(delimiters, lastPos);
276 std::string CmdPath = FindExecutable(Command, ProgramPath).toString();
277 if (CmdPath.empty()) {
279 std::string("Cannot find '") + Command +
280 "' in executable directory or PATH!\n";
284 Message = "Found command in: " + CmdPath + "\n";
286 return new CustomExecutor(CmdPath, Args);
289 //===----------------------------------------------------------------------===//
290 // LLC Implementation of AbstractIntepreter interface
292 GCC::FileType LLC::OutputCode(const std::string &Bitcode,
293 sys::Path &OutputAsmFile) {
294 sys::Path uniqueFile(Bitcode+".llc.s");
296 if (uniqueFile.makeUnique(true, &ErrMsg)) {
297 std::cerr << "Error making unique filename: " << ErrMsg << "\n";
300 OutputAsmFile = uniqueFile;
301 std::vector<const char *> LLCArgs;
302 LLCArgs.push_back (LLCPath.c_str());
304 // Add any extra LLC args.
305 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
306 LLCArgs.push_back(ToolArgs[i].c_str());
308 LLCArgs.push_back ("-o");
309 LLCArgs.push_back (OutputAsmFile.c_str()); // Output to the Asm file
310 LLCArgs.push_back ("-f"); // Overwrite as necessary...
311 LLCArgs.push_back (Bitcode.c_str()); // This is the input bitcode
312 LLCArgs.push_back (0);
314 std::cout << "<llc>" << std::flush;
315 DEBUG(std::cerr << "\nAbout to run:\t";
316 for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
317 std::cerr << " " << LLCArgs[i];
320 if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0],
321 sys::Path(), sys::Path(), sys::Path()))
322 ProcessFailure(sys::Path(LLCPath), &LLCArgs[0]);
327 void LLC::compileProgram(const std::string &Bitcode) {
328 sys::Path OutputAsmFile;
329 OutputCode(Bitcode, OutputAsmFile);
330 OutputAsmFile.eraseFromDisk();
333 int LLC::ExecuteProgram(const std::string &Bitcode,
334 const std::vector<std::string> &Args,
335 const std::string &InputFile,
336 const std::string &OutputFile,
337 const std::vector<std::string> &ArgsForGCC,
338 const std::vector<std::string> &SharedLibs,
340 unsigned MemoryLimit) {
342 sys::Path OutputAsmFile;
343 OutputCode(Bitcode, OutputAsmFile);
344 FileRemover OutFileRemover(OutputAsmFile);
346 std::vector<std::string> GCCArgs(ArgsForGCC);
347 GCCArgs.insert(GCCArgs.end(),SharedLibs.begin(),SharedLibs.end());
349 // Assuming LLC worked, compile the result with GCC and run it.
350 return gcc->ExecuteProgram(OutputAsmFile.toString(), Args, GCC::AsmFile,
351 InputFile, OutputFile, GCCArgs,
352 Timeout, MemoryLimit);
355 /// createLLC - Try to find the LLC executable
357 LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath,
358 std::string &Message,
359 const std::vector<std::string> *Args) {
360 std::string LLCPath = FindExecutable("llc", ProgramPath).toString();
361 if (LLCPath.empty()) {
362 Message = "Cannot find `llc' in executable directory or PATH!\n";
366 Message = "Found llc: " + LLCPath + "\n";
367 GCC *gcc = GCC::create(ProgramPath, Message);
369 std::cerr << Message << "\n";
372 return new LLC(LLCPath, gcc, Args);
375 //===---------------------------------------------------------------------===//
376 // JIT Implementation of AbstractIntepreter interface
379 class JIT : public AbstractInterpreter {
380 std::string LLIPath; // The path to the LLI executable
381 std::vector<std::string> ToolArgs; // Args to pass to LLI
383 JIT(const std::string &Path, const std::vector<std::string> *Args)
386 if (Args) { ToolArgs = *Args; }
389 virtual int ExecuteProgram(const std::string &Bitcode,
390 const std::vector<std::string> &Args,
391 const std::string &InputFile,
392 const std::string &OutputFile,
393 const std::vector<std::string> &GCCArgs =
394 std::vector<std::string>(),
395 const std::vector<std::string> &SharedLibs =
396 std::vector<std::string>(),
398 unsigned MemoryLimit =0);
402 int JIT::ExecuteProgram(const std::string &Bitcode,
403 const std::vector<std::string> &Args,
404 const std::string &InputFile,
405 const std::string &OutputFile,
406 const std::vector<std::string> &GCCArgs,
407 const std::vector<std::string> &SharedLibs,
409 unsigned MemoryLimit) {
410 if (!GCCArgs.empty())
411 throw ToolExecutionError("JIT does not support GCC Arguments.");
412 // Construct a vector of parameters, incorporating those from the command-line
413 std::vector<const char*> JITArgs;
414 JITArgs.push_back(LLIPath.c_str());
415 JITArgs.push_back("-force-interpreter=false");
417 // Add any extra LLI args.
418 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
419 JITArgs.push_back(ToolArgs[i].c_str());
421 for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
422 JITArgs.push_back("-load");
423 JITArgs.push_back(SharedLibs[i].c_str());
425 JITArgs.push_back(Bitcode.c_str());
426 // Add optional parameters to the running program from Argv
427 for (unsigned i=0, e = Args.size(); i != e; ++i)
428 JITArgs.push_back(Args[i].c_str());
429 JITArgs.push_back(0);
431 std::cout << "<jit>" << std::flush;
432 DEBUG(std::cerr << "\nAbout to run:\t";
433 for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
434 std::cerr << " " << JITArgs[i];
437 DEBUG(std::cerr << "\nSending output to " << OutputFile << "\n");
438 return RunProgramWithTimeout(sys::Path(LLIPath), &JITArgs[0],
439 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
440 Timeout, MemoryLimit);
443 /// createJIT - Try to find the LLI executable
445 AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath,
446 std::string &Message, const std::vector<std::string> *Args) {
447 std::string LLIPath = FindExecutable("lli", ProgPath).toString();
448 if (!LLIPath.empty()) {
449 Message = "Found lli: " + LLIPath + "\n";
450 return new JIT(LLIPath, Args);
453 Message = "Cannot find `lli' in executable directory or PATH!\n";
457 GCC::FileType CBE::OutputCode(const std::string &Bitcode,
458 sys::Path &OutputCFile) {
459 sys::Path uniqueFile(Bitcode+".cbe.c");
461 if (uniqueFile.makeUnique(true, &ErrMsg)) {
462 std::cerr << "Error making unique filename: " << ErrMsg << "\n";
465 OutputCFile = uniqueFile;
466 std::vector<const char *> LLCArgs;
467 LLCArgs.push_back (LLCPath.c_str());
469 // Add any extra LLC args.
470 for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
471 LLCArgs.push_back(ToolArgs[i].c_str());
473 LLCArgs.push_back ("-o");
474 LLCArgs.push_back (OutputCFile.c_str()); // Output to the C file
475 LLCArgs.push_back ("-march=c"); // Output C language
476 LLCArgs.push_back ("-f"); // Overwrite as necessary...
477 LLCArgs.push_back (Bitcode.c_str()); // This is the input bitcode
478 LLCArgs.push_back (0);
480 std::cout << "<cbe>" << std::flush;
481 DEBUG(std::cerr << "\nAbout to run:\t";
482 for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
483 std::cerr << " " << LLCArgs[i];
486 if (RunProgramWithTimeout(LLCPath, &LLCArgs[0], sys::Path(), sys::Path(),
488 ProcessFailure(LLCPath, &LLCArgs[0]);
492 void CBE::compileProgram(const std::string &Bitcode) {
493 sys::Path OutputCFile;
494 OutputCode(Bitcode, OutputCFile);
495 OutputCFile.eraseFromDisk();
498 int CBE::ExecuteProgram(const std::string &Bitcode,
499 const std::vector<std::string> &Args,
500 const std::string &InputFile,
501 const std::string &OutputFile,
502 const std::vector<std::string> &ArgsForGCC,
503 const std::vector<std::string> &SharedLibs,
505 unsigned MemoryLimit) {
506 sys::Path OutputCFile;
507 OutputCode(Bitcode, OutputCFile);
509 FileRemover CFileRemove(OutputCFile);
511 std::vector<std::string> GCCArgs(ArgsForGCC);
512 GCCArgs.insert(GCCArgs.end(),SharedLibs.begin(),SharedLibs.end());
513 return gcc->ExecuteProgram(OutputCFile.toString(), Args, GCC::CFile,
514 InputFile, OutputFile, GCCArgs,
515 Timeout, MemoryLimit);
518 /// createCBE - Try to find the 'llc' executable
520 CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath,
521 std::string &Message,
522 const std::vector<std::string> *Args) {
523 sys::Path LLCPath = FindExecutable("llc", ProgramPath);
524 if (LLCPath.isEmpty()) {
526 "Cannot find `llc' in executable directory or PATH!\n";
530 Message = "Found llc: " + LLCPath.toString() + "\n";
531 GCC *gcc = GCC::create(ProgramPath, Message);
533 std::cerr << Message << "\n";
536 return new CBE(LLCPath, gcc, Args);
539 //===---------------------------------------------------------------------===//
542 int GCC::ExecuteProgram(const std::string &ProgramFile,
543 const std::vector<std::string> &Args,
545 const std::string &InputFile,
546 const std::string &OutputFile,
547 const std::vector<std::string> &ArgsForGCC,
549 unsigned MemoryLimit) {
550 std::vector<const char*> GCCArgs;
552 GCCArgs.push_back(GCCPath.c_str());
554 // Specify -x explicitly in case the extension is wonky
555 GCCArgs.push_back("-x");
556 if (fileType == CFile) {
557 GCCArgs.push_back("c");
558 GCCArgs.push_back("-fno-strict-aliasing");
560 GCCArgs.push_back("assembler");
562 GCCArgs.push_back("-force_cpusubtype_ALL");
565 GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename...
566 GCCArgs.push_back("-x");
567 GCCArgs.push_back("none");
568 GCCArgs.push_back("-o");
569 sys::Path OutputBinary (ProgramFile+".gcc.exe");
571 if (OutputBinary.makeUnique(true, &ErrMsg)) {
572 std::cerr << "Error making unique filename: " << ErrMsg << "\n";
575 GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
577 // Add any arguments intended for GCC. We locate them here because this is
578 // most likely -L and -l options that need to come before other libraries but
579 // after the source. Other options won't be sensitive to placement on the
580 // command line, so this should be safe.
581 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
582 GCCArgs.push_back(ArgsForGCC[i].c_str());
584 GCCArgs.push_back("-lm"); // Hard-code the math library...
585 GCCArgs.push_back("-O2"); // Optimize the program a bit...
586 #if defined (HAVE_LINK_R)
587 GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files
590 GCCArgs.push_back("-mcpu=v9");
592 GCCArgs.push_back(0); // NULL terminator
594 std::cout << "<gcc>" << std::flush;
595 DEBUG(std::cerr << "\nAbout to run:\t";
596 for (unsigned i=0, e = GCCArgs.size()-1; i != e; ++i)
597 std::cerr << " " << GCCArgs[i];
600 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
602 ProcessFailure(GCCPath, &GCCArgs[0]);
606 std::vector<const char*> ProgramArgs;
608 if (RemoteClientPath.isEmpty())
609 ProgramArgs.push_back(OutputBinary.c_str());
611 ProgramArgs.push_back(RemoteClientPath.c_str());
612 ProgramArgs.push_back(RemoteHost.c_str());
613 ProgramArgs.push_back("-l");
614 ProgramArgs.push_back(RemoteUser.c_str());
615 if (!RemoteExtra.empty()) {
616 ProgramArgs.push_back(RemoteExtra.c_str());
619 char* env_pwd = getenv("PWD");
620 std::string Exec = "cd ";
623 Exec += OutputBinary.c_str();
624 ProgramArgs.push_back(Exec.c_str());
627 // Add optional parameters to the running program from Argv
628 for (unsigned i=0, e = Args.size(); i != e; ++i)
629 ProgramArgs.push_back(Args[i].c_str());
630 ProgramArgs.push_back(0); // NULL terminator
632 // Now that we have a binary, run it!
633 std::cout << "<program>" << std::flush;
634 DEBUG(std::cerr << "\nAbout to run:\t";
635 for (unsigned i=0, e = ProgramArgs.size()-1; i != e; ++i)
636 std::cerr << " " << ProgramArgs[i];
640 FileRemover OutputBinaryRemover(OutputBinary);
642 if (RemoteClientPath.isEmpty())
643 return RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
644 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
645 Timeout, MemoryLimit);
647 return RunProgramWithTimeout(sys::Path(RemoteClientPath), &ProgramArgs[0],
648 sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
649 Timeout, MemoryLimit);
652 int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
653 std::string &OutputFile,
654 const std::vector<std::string> &ArgsForGCC) {
655 sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT);
657 if (uniqueFilename.makeUnique(true, &ErrMsg)) {
658 std::cerr << "Error making unique filename: " << ErrMsg << "\n";
661 OutputFile = uniqueFilename.toString();
663 std::vector<const char*> GCCArgs;
665 GCCArgs.push_back(GCCPath.c_str());
668 // Compile the C/asm file into a shared object
669 GCCArgs.push_back("-x");
670 GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c");
671 GCCArgs.push_back("-fno-strict-aliasing");
672 GCCArgs.push_back(InputFile.c_str()); // Specify the input filename.
673 GCCArgs.push_back("-x");
674 GCCArgs.push_back("none");
675 #if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
676 GCCArgs.push_back("-G"); // Compile a shared library, `-G' for Sparc
677 #elif defined(__APPLE__)
678 // link all source files into a single module in data segment, rather than
679 // generating blocks. dynamic_lookup requires that you set
680 // MACOSX_DEPLOYMENT_TARGET=10.3 in your env. FIXME: it would be better for
681 // bugpoint to just pass that in the environment of GCC.
682 GCCArgs.push_back("-single_module");
683 GCCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC
684 GCCArgs.push_back("-undefined");
685 GCCArgs.push_back("dynamic_lookup");
687 GCCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others
690 #if defined(__ia64__) || defined(__alpha__) || defined(__amd64__)
691 GCCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC
694 GCCArgs.push_back("-mcpu=v9");
696 GCCArgs.push_back("-o");
697 GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename.
698 GCCArgs.push_back("-O2"); // Optimize the program a bit.
702 // Add any arguments intended for GCC. We locate them here because this is
703 // most likely -L and -l options that need to come before other libraries but
704 // after the source. Other options won't be sensitive to placement on the
705 // command line, so this should be safe.
706 for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
707 GCCArgs.push_back(ArgsForGCC[i].c_str());
708 GCCArgs.push_back(0); // NULL terminator
712 std::cout << "<gcc>" << std::flush;
713 DEBUG(std::cerr << "\nAbout to run:\t";
714 for (unsigned i=0, e = GCCArgs.size()-1; i != e; ++i)
715 std::cerr << " " << GCCArgs[i];
718 if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
720 ProcessFailure(GCCPath, &GCCArgs[0]);
726 /// create - Try to find the `gcc' executable
728 GCC *GCC::create(const std::string &ProgramPath, std::string &Message) {
729 sys::Path GCCPath = FindExecutable("gcc", ProgramPath);
730 if (GCCPath.isEmpty()) {
731 Message = "Cannot find `gcc' in executable directory or PATH!\n";
735 sys::Path RemoteClientPath;
736 if (!RemoteClient.empty())
737 RemoteClientPath = FindExecutable(RemoteClient.c_str(), ProgramPath);
739 Message = "Found gcc: " + GCCPath.toString() + "\n";
740 return new GCC(GCCPath, RemoteClientPath);