| //===-- ToolRunner.cpp ----------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the interfaces described in the ToolRunner.h file. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #define DEBUG_TYPE "toolrunner" |
| #include "llvm/Support/ToolRunner.h" |
| #include "Support/Debug.h" |
| #include "Support/FileUtilities.h" |
| #include <iostream> |
| #include <fstream> |
| |
| //===---------------------------------------------------------------------===// |
| // LLI Implementation of AbstractIntepreter interface |
| // |
| class LLI : public AbstractInterpreter { |
| std::string LLIPath; // The path to the LLI executable |
| public: |
| LLI(const std::string &Path) : LLIPath(Path) { } |
| |
| |
| virtual int ExecuteProgram(const std::string &Bytecode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs = |
| std::vector<std::string>()); |
| }; |
| |
| int LLI::ExecuteProgram(const std::string &Bytecode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs) { |
| if (!SharedLibs.empty()) { |
| std::cerr << "LLI currently does not support loading shared libraries.\n" |
| << "Exiting.\n"; |
| exit(1); |
| } |
| |
| std::vector<const char*> LLIArgs; |
| LLIArgs.push_back(LLIPath.c_str()); |
| LLIArgs.push_back("-quiet"); |
| LLIArgs.push_back("-force-interpreter=true"); |
| LLIArgs.push_back(Bytecode.c_str()); |
| // Add optional parameters to the running program from Argv |
| for (unsigned i=0, e = Args.size(); i != e; ++i) |
| LLIArgs.push_back(Args[i].c_str()); |
| LLIArgs.push_back(0); |
| |
| std::cout << "<lli>" << std::flush; |
| DEBUG(std::cerr << "\nAbout to run:\t"; |
| for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i) |
| std::cerr << " " << LLIArgs[i]; |
| std::cerr << "\n"; |
| ); |
| return RunProgramWithTimeout(LLIPath, &LLIArgs[0], |
| InputFile, OutputFile, OutputFile); |
| } |
| |
| // LLI create method - Try to find the LLI executable |
| AbstractInterpreter *AbstractInterpreter::createLLI(const std::string &ProgPath, |
| std::string &Message) { |
| std::string LLIPath = FindExecutable("lli", ProgPath); |
| if (!LLIPath.empty()) { |
| Message = "Found lli: " + LLIPath + "\n"; |
| return new LLI(LLIPath); |
| } |
| |
| Message = "Cannot find `lli' in executable directory or PATH!\n"; |
| return 0; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // LLC Implementation of AbstractIntepreter interface |
| // |
| int LLC::OutputAsm(const std::string &Bytecode, std::string &OutputAsmFile) { |
| OutputAsmFile = getUniqueFilename(Bytecode+".llc.s"); |
| const char *LLCArgs[] = { |
| LLCPath.c_str(), |
| "-o", OutputAsmFile.c_str(), // Output to the Asm file |
| "-f", // Overwrite as necessary... |
| Bytecode.c_str(), // This is the input bytecode |
| 0 |
| }; |
| |
| std::cout << "<llc>" << std::flush; |
| if (RunProgramWithTimeout(LLCPath, LLCArgs, "/dev/null", "/dev/null", |
| "/dev/null")) { |
| // If LLC failed on the bytecode, print error... |
| std::cerr << "Error: `llc' failed!\n"; |
| removeFile(OutputAsmFile); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| int LLC::ExecuteProgram(const std::string &Bytecode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs) { |
| |
| std::string OutputAsmFile; |
| if (OutputAsm(Bytecode, OutputAsmFile)) { |
| std::cerr << "Could not generate asm code with `llc', exiting.\n"; |
| exit(1); |
| } |
| |
| // Assuming LLC worked, compile the result with GCC and run it. |
| int Result = gcc->ExecuteProgram(OutputAsmFile, Args, GCC::AsmFile, |
| InputFile, OutputFile, SharedLibs); |
| removeFile(OutputAsmFile); |
| return Result; |
| } |
| |
| /// createLLC - Try to find the LLC executable |
| /// |
| LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath, |
| std::string &Message) { |
| std::string LLCPath = FindExecutable("llc", ProgramPath); |
| if (LLCPath.empty()) { |
| Message = "Cannot find `llc' in executable directory or PATH!\n"; |
| return 0; |
| } |
| |
| Message = "Found llc: " + LLCPath + "\n"; |
| GCC *gcc = GCC::create(ProgramPath, Message); |
| if (!gcc) { |
| std::cerr << Message << "\n"; |
| exit(1); |
| } |
| return new LLC(LLCPath, gcc); |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // JIT Implementation of AbstractIntepreter interface |
| // |
| class JIT : public AbstractInterpreter { |
| std::string LLIPath; // The path to the LLI executable |
| public: |
| JIT(const std::string &Path) : LLIPath(Path) { } |
| |
| |
| virtual int ExecuteProgram(const std::string &Bytecode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs = |
| std::vector<std::string>()); |
| }; |
| |
| int JIT::ExecuteProgram(const std::string &Bytecode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs) { |
| // Construct a vector of parameters, incorporating those from the command-line |
| std::vector<const char*> JITArgs; |
| JITArgs.push_back(LLIPath.c_str()); |
| JITArgs.push_back("-quiet"); |
| JITArgs.push_back("-force-interpreter=false"); |
| |
| for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) { |
| JITArgs.push_back("-load"); |
| JITArgs.push_back(SharedLibs[i].c_str()); |
| } |
| JITArgs.push_back(Bytecode.c_str()); |
| // Add optional parameters to the running program from Argv |
| for (unsigned i=0, e = Args.size(); i != e; ++i) |
| JITArgs.push_back(Args[i].c_str()); |
| JITArgs.push_back(0); |
| |
| std::cout << "<jit>" << std::flush; |
| DEBUG(std::cerr << "\nAbout to run:\t"; |
| for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i) |
| std::cerr << " " << JITArgs[i]; |
| std::cerr << "\n"; |
| ); |
| DEBUG(std::cerr << "\nSending output to " << OutputFile << "\n"); |
| return RunProgramWithTimeout(LLIPath, &JITArgs[0], |
| InputFile, OutputFile, OutputFile); |
| } |
| |
| /// createJIT - Try to find the LLI executable |
| /// |
| AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath, |
| std::string &Message) { |
| std::string LLIPath = FindExecutable("lli", ProgPath); |
| if (!LLIPath.empty()) { |
| Message = "Found lli: " + LLIPath + "\n"; |
| return new JIT(LLIPath); |
| } |
| |
| Message = "Cannot find `lli' in executable directory or PATH!\n"; |
| return 0; |
| } |
| |
| int CBE::OutputC(const std::string &Bytecode, |
| std::string &OutputCFile) { |
| OutputCFile = getUniqueFilename(Bytecode+".cbe.c"); |
| const char *DisArgs[] = { |
| DISPath.c_str(), |
| "-o", OutputCFile.c_str(), // Output to the C file |
| "-c", // Output to C |
| "-f", // Overwrite as necessary... |
| Bytecode.c_str(), // This is the input bytecode |
| 0 |
| }; |
| |
| std::cout << "<cbe>" << std::flush; |
| if (RunProgramWithTimeout(DISPath, DisArgs, "/dev/null", "/dev/null", |
| "/dev/null")) { |
| // If dis failed on the bytecode, print error... |
| std::cerr << "Error: `llvm-dis -c' failed!\n"; |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| int CBE::ExecuteProgram(const std::string &Bytecode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs) { |
| std::string OutputCFile; |
| if (OutputC(Bytecode, OutputCFile)) { |
| std::cerr << "Could not generate C code with `llvm-dis', exiting.\n"; |
| exit(1); |
| } |
| |
| int Result = gcc->ExecuteProgram(OutputCFile, Args, GCC::CFile, |
| InputFile, OutputFile, SharedLibs); |
| removeFile(OutputCFile); |
| |
| return Result; |
| } |
| |
| /// createCBE - Try to find the 'llvm-dis' executable |
| /// |
| CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath, |
| std::string &Message) { |
| std::string DISPath = FindExecutable("llvm-dis", ProgramPath); |
| if (DISPath.empty()) { |
| Message = |
| "Cannot find `llvm-dis' in executable directory or PATH!\n"; |
| return 0; |
| } |
| |
| Message = "Found llvm-dis: " + DISPath + "\n"; |
| GCC *gcc = GCC::create(ProgramPath, Message); |
| if (!gcc) { |
| std::cerr << Message << "\n"; |
| exit(1); |
| } |
| return new CBE(DISPath, gcc); |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // GCC abstraction |
| // |
| int GCC::ExecuteProgram(const std::string &ProgramFile, |
| const std::vector<std::string> &Args, |
| FileType fileType, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &SharedLibs) { |
| std::vector<const char*> GCCArgs; |
| |
| GCCArgs.push_back(GCCPath.c_str()); |
| |
| // Specify the shared libraries to link in... |
| for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) |
| GCCArgs.push_back(SharedLibs[i].c_str()); |
| |
| // Specify -x explicitly in case the extension is wonky |
| GCCArgs.push_back("-x"); |
| if (fileType == CFile) { |
| GCCArgs.push_back("c"); |
| GCCArgs.push_back("-fno-strict-aliasing"); |
| } else { |
| GCCArgs.push_back("assembler"); |
| } |
| GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename... |
| GCCArgs.push_back("-o"); |
| std::string OutputBinary = getUniqueFilename(ProgramFile+".gcc.exe"); |
| GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file... |
| GCCArgs.push_back("-lm"); // Hard-code the math library... |
| GCCArgs.push_back("-O2"); // Optimize the program a bit... |
| GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files |
| GCCArgs.push_back(0); // NULL terminator |
| |
| std::cout << "<gcc>" << std::flush; |
| if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "/dev/null", "/dev/null", |
| "/dev/null")) { |
| ProcessFailure(&GCCArgs[0]); |
| exit(1); |
| } |
| |
| std::vector<const char*> ProgramArgs; |
| ProgramArgs.push_back(OutputBinary.c_str()); |
| // Add optional parameters to the running program from Argv |
| for (unsigned i=0, e = Args.size(); i != e; ++i) |
| ProgramArgs.push_back(Args[i].c_str()); |
| ProgramArgs.push_back(0); // NULL terminator |
| |
| // Now that we have a binary, run it! |
| std::cout << "<program>" << std::flush; |
| DEBUG(std::cerr << "\nAbout to run:\t"; |
| for (unsigned i=0, e = ProgramArgs.size()-1; i != e; ++i) |
| std::cerr << " " << ProgramArgs[i]; |
| std::cerr << "\n"; |
| ); |
| int ProgramResult = RunProgramWithTimeout(OutputBinary, &ProgramArgs[0], |
| InputFile, OutputFile, OutputFile); |
| removeFile(OutputBinary); |
| return ProgramResult; |
| } |
| |
| int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType, |
| std::string &OutputFile) { |
| OutputFile = getUniqueFilename(InputFile+".so"); |
| // Compile the C/asm file into a shared object |
| const char* GCCArgs[] = { |
| GCCPath.c_str(), |
| "-x", (fileType == AsmFile) ? "assembler" : "c", |
| "-fno-strict-aliasing", |
| InputFile.c_str(), // Specify the input filename... |
| #if defined(sparc) || defined(__sparc__) || defined(__sparcv9) |
| "-G", // Compile a shared library, `-G' for Sparc |
| #else |
| "-shared", // `-shared' for Linux/X86, maybe others |
| #endif |
| "-o", OutputFile.c_str(), // Output to the right filename... |
| "-O2", // Optimize the program a bit... |
| 0 |
| }; |
| |
| std::cout << "<gcc>" << std::flush; |
| if (RunProgramWithTimeout(GCCPath, GCCArgs, "/dev/null", "/dev/null", |
| "/dev/null")) { |
| ProcessFailure(GCCArgs); |
| return 1; |
| } |
| return 0; |
| } |
| |
| void GCC::ProcessFailure(const char** GCCArgs) { |
| std::cerr << "\n*** Error: invocation of the C compiler failed!\n"; |
| for (const char **Arg = GCCArgs; *Arg; ++Arg) |
| std::cerr << " " << *Arg; |
| std::cerr << "\n"; |
| |
| // Rerun the compiler, capturing any error messages to print them. |
| std::string ErrorFilename = getUniqueFilename("gcc.errors"); |
| RunProgramWithTimeout(GCCPath, GCCArgs, "/dev/null", ErrorFilename.c_str(), |
| ErrorFilename.c_str()); |
| |
| // Print out the error messages generated by GCC if possible... |
| std::ifstream ErrorFile(ErrorFilename.c_str()); |
| if (ErrorFile) { |
| std::copy(std::istreambuf_iterator<char>(ErrorFile), |
| std::istreambuf_iterator<char>(), |
| std::ostreambuf_iterator<char>(std::cerr)); |
| ErrorFile.close(); |
| std::cerr << "\n"; |
| } |
| |
| removeFile(ErrorFilename); |
| } |
| |
| /// create - Try to find the `gcc' executable |
| /// |
| GCC *GCC::create(const std::string &ProgramPath, std::string &Message) { |
| std::string GCCPath = FindExecutable("gcc", ProgramPath); |
| if (GCCPath.empty()) { |
| Message = "Cannot find `gcc' in executable directory or PATH!\n"; |
| return 0; |
| } |
| |
| Message = "Found gcc: " + GCCPath + "\n"; |
| return new GCC(GCCPath); |
| } |