| //===-- ToolRunner.cpp ----------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the interfaces described in the ToolRunner.h file. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ToolRunner.h" |
| #include "llvm/Config/config.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Support/Debug.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/FileUtilities.h" |
| #include "llvm/Support/Program.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <fstream> |
| #include <sstream> |
| #include <utility> |
| using namespace llvm; |
| |
| #define DEBUG_TYPE "toolrunner" |
| |
| namespace llvm { |
| cl::opt<bool> SaveTemps("save-temps", cl::init(false), |
| cl::desc("Save temporary files")); |
| } |
| |
| namespace { |
| cl::opt<std::string> |
| RemoteClient("remote-client", |
| cl::desc("Remote execution client (rsh/ssh)")); |
| |
| cl::opt<std::string> RemoteHost("remote-host", |
| cl::desc("Remote execution (rsh/ssh) host")); |
| |
| cl::opt<std::string> RemotePort("remote-port", |
| cl::desc("Remote execution (rsh/ssh) port")); |
| |
| cl::opt<std::string> RemoteUser("remote-user", |
| cl::desc("Remote execution (rsh/ssh) user id")); |
| |
| cl::opt<std::string> |
| RemoteExtra("remote-extra-options", |
| cl::desc("Remote execution (rsh/ssh) extra options")); |
| } |
| |
| /// RunProgramWithTimeout - This function provides an alternate interface |
| /// to the sys::Program::ExecuteAndWait interface. |
| /// @see sys::Program::ExecuteAndWait |
| static int RunProgramWithTimeout(StringRef ProgramPath, |
| ArrayRef<StringRef> Args, StringRef StdInFile, |
| StringRef StdOutFile, StringRef StdErrFile, |
| unsigned NumSeconds = 0, |
| unsigned MemoryLimit = 0, |
| std::string *ErrMsg = nullptr) { |
| Optional<StringRef> Redirects[3] = {StdInFile, StdOutFile, StdErrFile}; |
| return sys::ExecuteAndWait(ProgramPath, Args, None, Redirects, NumSeconds, |
| MemoryLimit, ErrMsg); |
| } |
| |
| /// RunProgramRemotelyWithTimeout - This function runs the given program |
| /// remotely using the given remote client and the sys::Program::ExecuteAndWait. |
| /// Returns the remote program exit code or reports a remote client error if it |
| /// fails. Remote client is required to return 255 if it failed or program exit |
| /// code otherwise. |
| /// @see sys::Program::ExecuteAndWait |
| static int RunProgramRemotelyWithTimeout( |
| StringRef RemoteClientPath, ArrayRef<StringRef> Args, StringRef StdInFile, |
| StringRef StdOutFile, StringRef StdErrFile, unsigned NumSeconds = 0, |
| unsigned MemoryLimit = 0) { |
| Optional<StringRef> Redirects[3] = {StdInFile, StdOutFile, StdErrFile}; |
| |
| // Run the program remotely with the remote client |
| int ReturnCode = sys::ExecuteAndWait(RemoteClientPath, Args, None, Redirects, |
| NumSeconds, MemoryLimit); |
| |
| // Has the remote client fail? |
| if (255 == ReturnCode) { |
| std::ostringstream OS; |
| OS << "\nError running remote client:\n "; |
| for (StringRef Arg : Args) |
| OS << " " << Arg.str(); |
| OS << "\n"; |
| |
| // The error message is in the output file, let's print it out from there. |
| std::string StdOutFileName = StdOutFile.str(); |
| std::ifstream ErrorFile(StdOutFileName.c_str()); |
| if (ErrorFile) { |
| std::copy(std::istreambuf_iterator<char>(ErrorFile), |
| std::istreambuf_iterator<char>(), |
| std::ostreambuf_iterator<char>(OS)); |
| ErrorFile.close(); |
| } |
| |
| errs() << OS.str(); |
| } |
| |
| return ReturnCode; |
| } |
| |
| static Error ProcessFailure(StringRef ProgPath, ArrayRef<StringRef> Args, |
| unsigned Timeout = 0, unsigned MemoryLimit = 0) { |
| std::ostringstream OS; |
| OS << "\nError running tool:\n "; |
| for (StringRef Arg : Args) |
| OS << " " << Arg.str(); |
| OS << "\n"; |
| |
| // Rerun the compiler, capturing any error messages to print them. |
| SmallString<128> ErrorFilename; |
| std::error_code EC = sys::fs::createTemporaryFile( |
| "bugpoint.program_error_messages", "", ErrorFilename); |
| if (EC) { |
| errs() << "Error making unique filename: " << EC.message() << "\n"; |
| exit(1); |
| } |
| |
| RunProgramWithTimeout(ProgPath, Args, "", ErrorFilename.str(), |
| ErrorFilename.str(), Timeout, MemoryLimit); |
| // FIXME: check return code ? |
| |
| // Print out the error messages generated by CC 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>(OS)); |
| ErrorFile.close(); |
| } |
| |
| sys::fs::remove(ErrorFilename.c_str()); |
| return make_error<StringError>(OS.str(), inconvertibleErrorCode()); |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // LLI Implementation of AbstractIntepreter interface |
| // |
| namespace { |
| class LLI : public AbstractInterpreter { |
| std::string LLIPath; // The path to the LLI executable |
| std::vector<std::string> ToolArgs; // Args to pass to LLI |
| public: |
| LLI(const std::string &Path, const std::vector<std::string> *Args) |
| : LLIPath(Path) { |
| ToolArgs.clear(); |
| if (Args) { |
| ToolArgs = *Args; |
| } |
| } |
| |
| Expected<int> ExecuteProgram( |
| const std::string &Bitcode, const std::vector<std::string> &Args, |
| const std::string &InputFile, const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs, |
| const std::vector<std::string> &SharedLibs = std::vector<std::string>(), |
| unsigned Timeout = 0, unsigned MemoryLimit = 0) override; |
| }; |
| } |
| |
| Expected<int> LLI::ExecuteProgram(const std::string &Bitcode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs, |
| const std::vector<std::string> &SharedLibs, |
| unsigned Timeout, unsigned MemoryLimit) { |
| std::vector<StringRef> LLIArgs; |
| LLIArgs.push_back(LLIPath.c_str()); |
| LLIArgs.push_back("-force-interpreter=true"); |
| |
| for (std::vector<std::string>::const_iterator i = SharedLibs.begin(), |
| e = SharedLibs.end(); |
| i != e; ++i) { |
| LLIArgs.push_back("-load"); |
| LLIArgs.push_back(*i); |
| } |
| |
| // Add any extra LLI args. |
| for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) |
| LLIArgs.push_back(ToolArgs[i]); |
| |
| LLIArgs.push_back(Bitcode); |
| // Add optional parameters to the running program from Argv |
| for (unsigned i = 0, e = Args.size(); i != e; ++i) |
| LLIArgs.push_back(Args[i]); |
| |
| outs() << "<lli>"; |
| outs().flush(); |
| LLVM_DEBUG(errs() << "\nAbout to run:\t"; |
| for (unsigned i = 0, e = LLIArgs.size() - 1; i != e; ++i) errs() |
| << " " << LLIArgs[i]; |
| errs() << "\n";); |
| return RunProgramWithTimeout(LLIPath, LLIArgs, InputFile, OutputFile, |
| OutputFile, Timeout, MemoryLimit); |
| } |
| |
| void AbstractInterpreter::anchor() {} |
| |
| ErrorOr<std::string> llvm::FindProgramByName(const std::string &ExeName, |
| const char *Argv0, |
| void *MainAddr) { |
| // Check the directory that the calling program is in. We can do |
| // this if ProgramPath contains at least one / character, indicating that it |
| // is a relative path to the executable itself. |
| std::string Main = sys::fs::getMainExecutable(Argv0, MainAddr); |
| StringRef Result = sys::path::parent_path(Main); |
| if (ErrorOr<std::string> Path = sys::findProgramByName(ExeName, Result)) |
| return *Path; |
| |
| // Check the user PATH. |
| return sys::findProgramByName(ExeName); |
| } |
| |
| // LLI create method - Try to find the LLI executable |
| AbstractInterpreter * |
| AbstractInterpreter::createLLI(const char *Argv0, std::string &Message, |
| const std::vector<std::string> *ToolArgs) { |
| if (ErrorOr<std::string> LLIPath = |
| FindProgramByName("lli", Argv0, (void *)(intptr_t)&createLLI)) { |
| Message = "Found lli: " + *LLIPath + "\n"; |
| return new LLI(*LLIPath, ToolArgs); |
| } else { |
| Message = LLIPath.getError().message() + "\n"; |
| return nullptr; |
| } |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // Custom compiler command implementation of AbstractIntepreter interface |
| // |
| // Allows using a custom command for compiling the bitcode, thus allows, for |
| // example, to compile a bitcode fragment without linking or executing, then |
| // using a custom wrapper script to check for compiler errors. |
| namespace { |
| class CustomCompiler : public AbstractInterpreter { |
| std::string CompilerCommand; |
| std::vector<std::string> CompilerArgs; |
| |
| public: |
| CustomCompiler(const std::string &CompilerCmd, |
| std::vector<std::string> CompArgs) |
| : CompilerCommand(CompilerCmd), CompilerArgs(std::move(CompArgs)) {} |
| |
| Error compileProgram(const std::string &Bitcode, unsigned Timeout = 0, |
| unsigned MemoryLimit = 0) override; |
| |
| Expected<int> ExecuteProgram( |
| const std::string &Bitcode, const std::vector<std::string> &Args, |
| const std::string &InputFile, const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs = std::vector<std::string>(), |
| const std::vector<std::string> &SharedLibs = std::vector<std::string>(), |
| unsigned Timeout = 0, unsigned MemoryLimit = 0) override { |
| return make_error<StringError>( |
| "Execution not supported with -compile-custom", |
| inconvertibleErrorCode()); |
| } |
| }; |
| } |
| |
| Error CustomCompiler::compileProgram(const std::string &Bitcode, |
| unsigned Timeout, unsigned MemoryLimit) { |
| |
| std::vector<StringRef> ProgramArgs; |
| ProgramArgs.push_back(CompilerCommand.c_str()); |
| |
| for (std::size_t i = 0; i < CompilerArgs.size(); ++i) |
| ProgramArgs.push_back(CompilerArgs.at(i).c_str()); |
| ProgramArgs.push_back(Bitcode); |
| |
| // Add optional parameters to the running program from Argv |
| for (unsigned i = 0, e = CompilerArgs.size(); i != e; ++i) |
| ProgramArgs.push_back(CompilerArgs[i].c_str()); |
| |
| if (RunProgramWithTimeout(CompilerCommand, ProgramArgs, "", "", "", Timeout, |
| MemoryLimit)) |
| return ProcessFailure(CompilerCommand, ProgramArgs, Timeout, MemoryLimit); |
| return Error::success(); |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // Custom execution command implementation of AbstractIntepreter interface |
| // |
| // Allows using a custom command for executing the bitcode, thus allows, |
| // for example, to invoke a cross compiler for code generation followed by |
| // a simulator that executes the generated binary. |
| namespace { |
| class CustomExecutor : public AbstractInterpreter { |
| std::string ExecutionCommand; |
| std::vector<std::string> ExecutorArgs; |
| |
| public: |
| CustomExecutor(const std::string &ExecutionCmd, |
| std::vector<std::string> ExecArgs) |
| : ExecutionCommand(ExecutionCmd), ExecutorArgs(std::move(ExecArgs)) {} |
| |
| Expected<int> ExecuteProgram( |
| const std::string &Bitcode, const std::vector<std::string> &Args, |
| const std::string &InputFile, const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs, |
| const std::vector<std::string> &SharedLibs = std::vector<std::string>(), |
| unsigned Timeout = 0, unsigned MemoryLimit = 0) override; |
| }; |
| } |
| |
| Expected<int> CustomExecutor::ExecuteProgram( |
| const std::string &Bitcode, const std::vector<std::string> &Args, |
| const std::string &InputFile, const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs, |
| const std::vector<std::string> &SharedLibs, unsigned Timeout, |
| unsigned MemoryLimit) { |
| |
| std::vector<StringRef> ProgramArgs; |
| ProgramArgs.push_back(ExecutionCommand); |
| |
| for (std::size_t i = 0; i < ExecutorArgs.size(); ++i) |
| ProgramArgs.push_back(ExecutorArgs[i]); |
| ProgramArgs.push_back(Bitcode); |
| |
| // Add optional parameters to the running program from Argv |
| for (unsigned i = 0, e = Args.size(); i != e; ++i) |
| ProgramArgs.push_back(Args[i]); |
| |
| return RunProgramWithTimeout(ExecutionCommand, ProgramArgs, InputFile, |
| OutputFile, OutputFile, Timeout, MemoryLimit); |
| } |
| |
| // Tokenize the CommandLine to the command and the args to allow |
| // defining a full command line as the command instead of just the |
| // executed program. We cannot just pass the whole string after the command |
| // as a single argument because then the program sees only a single |
| // command line argument (with spaces in it: "foo bar" instead |
| // of "foo" and "bar"). |
| // |
| // Spaces are used as a delimiter; however repeated, leading, and trailing |
| // whitespace are ignored. Simple escaping is allowed via the '\' |
| // character, as seen below: |
| // |
| // Two consecutive '\' evaluate to a single '\'. |
| // A space after a '\' evaluates to a space that is not interpreted as a |
| // delimiter. |
| // Any other instances of the '\' character are removed. |
| // |
| // Example: |
| // '\\' -> '\' |
| // '\ ' -> ' ' |
| // 'exa\mple' -> 'example' |
| // |
| static void lexCommand(const char *Argv0, std::string &Message, |
| const std::string &CommandLine, std::string &CmdPath, |
| std::vector<std::string> &Args) { |
| |
| std::string Token; |
| std::string Command; |
| bool FoundPath = false; |
| |
| // first argument is the PATH. |
| // Skip repeated whitespace, leading whitespace and trailing whitespace. |
| for (std::size_t Pos = 0u; Pos <= CommandLine.size(); ++Pos) { |
| if ('\\' == CommandLine[Pos]) { |
| if (Pos + 1 < CommandLine.size()) |
| Token.push_back(CommandLine[++Pos]); |
| |
| continue; |
| } |
| if (' ' == CommandLine[Pos] || CommandLine.size() == Pos) { |
| if (Token.empty()) |
| continue; |
| |
| if (!FoundPath) { |
| Command = Token; |
| FoundPath = true; |
| Token.clear(); |
| continue; |
| } |
| |
| Args.push_back(Token); |
| Token.clear(); |
| continue; |
| } |
| Token.push_back(CommandLine[Pos]); |
| } |
| |
| auto Path = FindProgramByName(Command, Argv0, (void *)(intptr_t)&lexCommand); |
| if (!Path) { |
| Message = std::string("Cannot find '") + Command + |
| "' in PATH: " + Path.getError().message() + "\n"; |
| return; |
| } |
| CmdPath = *Path; |
| |
| Message = "Found command in: " + CmdPath + "\n"; |
| } |
| |
| // Custom execution environment create method, takes the execution command |
| // as arguments |
| AbstractInterpreter *AbstractInterpreter::createCustomCompiler( |
| const char *Argv0, std::string &Message, |
| const std::string &CompileCommandLine) { |
| |
| std::string CmdPath; |
| std::vector<std::string> Args; |
| lexCommand(Argv0, Message, CompileCommandLine, CmdPath, Args); |
| if (CmdPath.empty()) |
| return nullptr; |
| |
| return new CustomCompiler(CmdPath, Args); |
| } |
| |
| // Custom execution environment create method, takes the execution command |
| // as arguments |
| AbstractInterpreter * |
| AbstractInterpreter::createCustomExecutor(const char *Argv0, |
| std::string &Message, |
| const std::string &ExecCommandLine) { |
| |
| std::string CmdPath; |
| std::vector<std::string> Args; |
| lexCommand(Argv0, Message, ExecCommandLine, CmdPath, Args); |
| if (CmdPath.empty()) |
| return nullptr; |
| |
| return new CustomExecutor(CmdPath, Args); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // LLC Implementation of AbstractIntepreter interface |
| // |
| Expected<CC::FileType> LLC::OutputCode(const std::string &Bitcode, |
| std::string &OutputAsmFile, |
| unsigned Timeout, unsigned MemoryLimit) { |
| const char *Suffix = (UseIntegratedAssembler ? ".llc.o" : ".llc.s"); |
| |
| SmallString<128> UniqueFile; |
| std::error_code EC = |
| sys::fs::createUniqueFile(Bitcode + "-%%%%%%%" + Suffix, UniqueFile); |
| if (EC) { |
| errs() << "Error making unique filename: " << EC.message() << "\n"; |
| exit(1); |
| } |
| OutputAsmFile = UniqueFile.str(); |
| std::vector<StringRef> LLCArgs; |
| LLCArgs.push_back(LLCPath); |
| |
| // Add any extra LLC args. |
| for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) |
| LLCArgs.push_back(ToolArgs[i]); |
| |
| LLCArgs.push_back("-o"); |
| LLCArgs.push_back(OutputAsmFile); // Output to the Asm file |
| LLCArgs.push_back(Bitcode); // This is the input bitcode |
| |
| if (UseIntegratedAssembler) |
| LLCArgs.push_back("-filetype=obj"); |
| |
| outs() << (UseIntegratedAssembler ? "<llc-ia>" : "<llc>"); |
| outs().flush(); |
| LLVM_DEBUG(errs() << "\nAbout to run:\t"; |
| for (unsigned i = 0, e = LLCArgs.size() - 1; i != e; ++i) errs() |
| << " " << LLCArgs[i]; |
| errs() << "\n";); |
| if (RunProgramWithTimeout(LLCPath, LLCArgs, "", "", "", Timeout, MemoryLimit)) |
| return ProcessFailure(LLCPath, LLCArgs, Timeout, MemoryLimit); |
| return UseIntegratedAssembler ? CC::ObjectFile : CC::AsmFile; |
| } |
| |
| Error LLC::compileProgram(const std::string &Bitcode, unsigned Timeout, |
| unsigned MemoryLimit) { |
| std::string OutputAsmFile; |
| Expected<CC::FileType> Result = |
| OutputCode(Bitcode, OutputAsmFile, Timeout, MemoryLimit); |
| sys::fs::remove(OutputAsmFile); |
| if (Error E = Result.takeError()) |
| return E; |
| return Error::success(); |
| } |
| |
| Expected<int> LLC::ExecuteProgram(const std::string &Bitcode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &ArgsForCC, |
| const std::vector<std::string> &SharedLibs, |
| unsigned Timeout, unsigned MemoryLimit) { |
| |
| std::string OutputAsmFile; |
| Expected<CC::FileType> FileKind = |
| OutputCode(Bitcode, OutputAsmFile, Timeout, MemoryLimit); |
| FileRemover OutFileRemover(OutputAsmFile, !SaveTemps); |
| if (Error E = FileKind.takeError()) |
| return std::move(E); |
| |
| std::vector<std::string> CCArgs(ArgsForCC); |
| CCArgs.insert(CCArgs.end(), SharedLibs.begin(), SharedLibs.end()); |
| |
| // Assuming LLC worked, compile the result with CC and run it. |
| return cc->ExecuteProgram(OutputAsmFile, Args, *FileKind, InputFile, |
| OutputFile, CCArgs, Timeout, MemoryLimit); |
| } |
| |
| /// createLLC - Try to find the LLC executable |
| /// |
| LLC *AbstractInterpreter::createLLC(const char *Argv0, std::string &Message, |
| const std::string &CCBinary, |
| const std::vector<std::string> *Args, |
| const std::vector<std::string> *CCArgs, |
| bool UseIntegratedAssembler) { |
| ErrorOr<std::string> LLCPath = |
| FindProgramByName("llc", Argv0, (void *)(intptr_t)&createLLC); |
| if (!LLCPath) { |
| Message = LLCPath.getError().message() + "\n"; |
| return nullptr; |
| } |
| |
| CC *cc = CC::create(Argv0, Message, CCBinary, CCArgs); |
| if (!cc) { |
| errs() << Message << "\n"; |
| exit(1); |
| } |
| Message = "Found llc: " + *LLCPath + "\n"; |
| return new LLC(*LLCPath, cc, Args, UseIntegratedAssembler); |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // JIT Implementation of AbstractIntepreter interface |
| // |
| namespace { |
| class JIT : public AbstractInterpreter { |
| std::string LLIPath; // The path to the LLI executable |
| std::vector<std::string> ToolArgs; // Args to pass to LLI |
| public: |
| JIT(const std::string &Path, const std::vector<std::string> *Args) |
| : LLIPath(Path) { |
| ToolArgs.clear(); |
| if (Args) { |
| ToolArgs = *Args; |
| } |
| } |
| |
| Expected<int> ExecuteProgram( |
| const std::string &Bitcode, const std::vector<std::string> &Args, |
| const std::string &InputFile, const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs = std::vector<std::string>(), |
| const std::vector<std::string> &SharedLibs = std::vector<std::string>(), |
| unsigned Timeout = 0, unsigned MemoryLimit = 0) override; |
| }; |
| } |
| |
| Expected<int> JIT::ExecuteProgram(const std::string &Bitcode, |
| const std::vector<std::string> &Args, |
| const std::string &InputFile, |
| const std::string &OutputFile, |
| const std::vector<std::string> &CCArgs, |
| const std::vector<std::string> &SharedLibs, |
| unsigned Timeout, unsigned MemoryLimit) { |
| // Construct a vector of parameters, incorporating those from the command-line |
| std::vector<StringRef> JITArgs; |
| JITArgs.push_back(LLIPath.c_str()); |
| JITArgs.push_back("-force-interpreter=false"); |
| |
| // Add any extra LLI args. |
| for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) |
| JITArgs.push_back(ToolArgs[i]); |
| |
| for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) { |
| JITArgs.push_back("-load"); |
| JITArgs.push_back(SharedLibs[i]); |
| } |
| JITArgs.push_back(Bitcode.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]); |
| |
| outs() << "<jit>"; |
| outs().flush(); |
| LLVM_DEBUG(errs() << "\nAbout to run:\t"; |
| for (unsigned i = 0, e = JITArgs.size() - 1; i != e; ++i) errs() |
| << " " << JITArgs[i]; |
| errs() << "\n";); |
| LLVM_DEBUG(errs() << "\nSending output to " << OutputFile << "\n"); |
| return RunProgramWithTimeout(LLIPath, JITArgs, InputFile, OutputFile, |
| OutputFile, Timeout, MemoryLimit); |
| } |
| |
| /// createJIT - Try to find the LLI executable |
| /// |
| AbstractInterpreter * |
| AbstractInterpreter::createJIT(const char *Argv0, std::string &Message, |
| const std::vector<std::string> *Args) { |
| if (ErrorOr<std::string> LLIPath = |
| FindProgramByName("lli", Argv0, (void *)(intptr_t)&createJIT)) { |
| Message = "Found lli: " + *LLIPath + "\n"; |
| return new JIT(*LLIPath, Args); |
| } else { |
| Message = LLIPath.getError().message() + "\n"; |
| return nullptr; |
| } |
| } |
| |
| //===---------------------------------------------------------------------===// |
| // CC abstraction |
| // |
| |
| static bool IsARMArchitecture(std::vector<StringRef> Args) { |
| for (size_t I = 0; I < Args.size(); ++I) { |
| if (!Args[I].equals_lower("-arch")) |
| continue; |
| ++I; |
| if (I == Args.size()) |
| break; |
| if (Args[I].startswith_lower("arm")) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| Expected<int> CC::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> &ArgsForCC, |
| unsigned Timeout, unsigned MemoryLimit) { |
| std::vector<StringRef> CCArgs; |
| |
| CCArgs.push_back(CCPath); |
| |
| if (TargetTriple.getArch() == Triple::x86) |
| CCArgs.push_back("-m32"); |
| |
| for (std::vector<std::string>::const_iterator I = ccArgs.begin(), |
| E = ccArgs.end(); |
| I != E; ++I) |
| CCArgs.push_back(*I); |
| |
| // Specify -x explicitly in case the extension is wonky |
| if (fileType != ObjectFile) { |
| CCArgs.push_back("-x"); |
| if (fileType == CFile) { |
| CCArgs.push_back("c"); |
| CCArgs.push_back("-fno-strict-aliasing"); |
| } else { |
| CCArgs.push_back("assembler"); |
| |
| // For ARM architectures we don't want this flag. bugpoint isn't |
| // explicitly told what architecture it is working on, so we get |
| // it from cc flags |
| if (TargetTriple.isOSDarwin() && !IsARMArchitecture(CCArgs)) |
| CCArgs.push_back("-force_cpusubtype_ALL"); |
| } |
| } |
| |
| CCArgs.push_back(ProgramFile); // Specify the input filename. |
| |
| CCArgs.push_back("-x"); |
| CCArgs.push_back("none"); |
| CCArgs.push_back("-o"); |
| |
| SmallString<128> OutputBinary; |
| std::error_code EC = |
| sys::fs::createUniqueFile(ProgramFile + "-%%%%%%%.cc.exe", OutputBinary); |
| if (EC) { |
| errs() << "Error making unique filename: " << EC.message() << "\n"; |
| exit(1); |
| } |
| CCArgs.push_back(OutputBinary); // Output to the right file... |
| |
| // Add any arguments intended for CC. We locate them here because this is |
| // most likely -L and -l options that need to come before other libraries but |
| // after the source. Other options won't be sensitive to placement on the |
| // command line, so this should be safe. |
| for (unsigned i = 0, e = ArgsForCC.size(); i != e; ++i) |
| CCArgs.push_back(ArgsForCC[i]); |
| |
| CCArgs.push_back("-lm"); // Hard-code the math library... |
| CCArgs.push_back("-O2"); // Optimize the program a bit... |
| if (TargetTriple.getArch() == Triple::sparc) |
| CCArgs.push_back("-mcpu=v9"); |
| |
| outs() << "<CC>"; |
| outs().flush(); |
| LLVM_DEBUG(errs() << "\nAbout to run:\t"; |
| for (unsigned i = 0, e = CCArgs.size() - 1; i != e; ++i) errs() |
| << " " << CCArgs[i]; |
| errs() << "\n";); |
| if (RunProgramWithTimeout(CCPath, CCArgs, "", "", "")) |
| return ProcessFailure(CCPath, CCArgs); |
| |
| std::vector<StringRef> ProgramArgs; |
| |
| // Declared here so that the destructor only runs after |
| // ProgramArgs is used. |
| std::string Exec; |
| |
| if (RemoteClientPath.empty()) |
| ProgramArgs.push_back(OutputBinary); |
| else { |
| ProgramArgs.push_back(RemoteClientPath); |
| ProgramArgs.push_back(RemoteHost); |
| if (!RemoteUser.empty()) { |
| ProgramArgs.push_back("-l"); |
| ProgramArgs.push_back(RemoteUser); |
| } |
| if (!RemotePort.empty()) { |
| ProgramArgs.push_back("-p"); |
| ProgramArgs.push_back(RemotePort); |
| } |
| if (!RemoteExtra.empty()) { |
| ProgramArgs.push_back(RemoteExtra); |
| } |
| |
| // Full path to the binary. We need to cd to the exec directory because |
| // there is a dylib there that the exec expects to find in the CWD |
| char *env_pwd = getenv("PWD"); |
| Exec = "cd "; |
| Exec += env_pwd; |
| Exec += "; ./"; |
| Exec += OutputBinary.c_str(); |
| ProgramArgs.push_back(Exec); |
| } |
| |
| // Add optional parameters to the running program from Argv |
| for (unsigned i = 0, e = Args.size(); i != e; ++i) |
| ProgramArgs.push_back(Args[i]); |
| |
| // Now that we have a binary, run it! |
| outs() << "<program>"; |
| outs().flush(); |
| LLVM_DEBUG( |
| errs() << "\nAbout to run:\t"; |
| for (unsigned i = 0, e = ProgramArgs.size() - 1; i != e; ++i) errs() |
| << " " << ProgramArgs[i]; |
| errs() << "\n";); |
| |
| FileRemover OutputBinaryRemover(OutputBinary.str(), !SaveTemps); |
| |
| if (RemoteClientPath.empty()) { |
| LLVM_DEBUG(errs() << "<run locally>"); |
| std::string Error; |
| int ExitCode = RunProgramWithTimeout(OutputBinary.str(), ProgramArgs, |
| InputFile, OutputFile, OutputFile, |
| Timeout, MemoryLimit, &Error); |
| // Treat a signal (usually SIGSEGV) or timeout as part of the program output |
| // so that crash-causing miscompilation is handled seamlessly. |
| if (ExitCode < -1) { |
| std::ofstream outFile(OutputFile.c_str(), std::ios_base::app); |
| outFile << Error << '\n'; |
| outFile.close(); |
| } |
| return ExitCode; |
| } else { |
| outs() << "<run remotely>"; |
| outs().flush(); |
| return RunProgramRemotelyWithTimeout(RemoteClientPath, ProgramArgs, |
| InputFile, OutputFile, OutputFile, |
| Timeout, MemoryLimit); |
| } |
| } |
| |
| Error CC::MakeSharedObject(const std::string &InputFile, FileType fileType, |
| std::string &OutputFile, |
| const std::vector<std::string> &ArgsForCC) { |
| SmallString<128> UniqueFilename; |
| std::error_code EC = sys::fs::createUniqueFile( |
| InputFile + "-%%%%%%%" + LTDL_SHLIB_EXT, UniqueFilename); |
| if (EC) { |
| errs() << "Error making unique filename: " << EC.message() << "\n"; |
| exit(1); |
| } |
| OutputFile = UniqueFilename.str(); |
| |
| std::vector<StringRef> CCArgs; |
| |
| CCArgs.push_back(CCPath); |
| |
| if (TargetTriple.getArch() == Triple::x86) |
| CCArgs.push_back("-m32"); |
| |
| for (std::vector<std::string>::const_iterator I = ccArgs.begin(), |
| E = ccArgs.end(); |
| I != E; ++I) |
| CCArgs.push_back(*I); |
| |
| // Compile the C/asm file into a shared object |
| if (fileType != ObjectFile) { |
| CCArgs.push_back("-x"); |
| CCArgs.push_back(fileType == AsmFile ? "assembler" : "c"); |
| } |
| CCArgs.push_back("-fno-strict-aliasing"); |
| CCArgs.push_back(InputFile); // Specify the input filename. |
| CCArgs.push_back("-x"); |
| CCArgs.push_back("none"); |
| if (TargetTriple.getArch() == Triple::sparc) |
| CCArgs.push_back("-G"); // Compile a shared library, `-G' for Sparc |
| else if (TargetTriple.isOSDarwin()) { |
| // link all source files into a single module in data segment, rather than |
| // generating blocks. dynamic_lookup requires that you set |
| // MACOSX_DEPLOYMENT_TARGET=10.3 in your env. FIXME: it would be better for |
| // bugpoint to just pass that in the environment of CC. |
| CCArgs.push_back("-single_module"); |
| CCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC |
| CCArgs.push_back("-undefined"); |
| CCArgs.push_back("dynamic_lookup"); |
| } else |
| CCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others |
| |
| if (TargetTriple.getArch() == Triple::x86_64) |
| CCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC |
| |
| if (TargetTriple.getArch() == Triple::sparc) |
| CCArgs.push_back("-mcpu=v9"); |
| |
| CCArgs.push_back("-o"); |
| CCArgs.push_back(OutputFile); // Output to the right filename. |
| CCArgs.push_back("-O2"); // Optimize the program a bit. |
| |
| // Add any arguments intended for CC. We locate them here because this is |
| // most likely -L and -l options that need to come before other libraries but |
| // after the source. Other options won't be sensitive to placement on the |
| // command line, so this should be safe. |
| for (unsigned i = 0, e = ArgsForCC.size(); i != e; ++i) |
| CCArgs.push_back(ArgsForCC[i]); |
| |
| outs() << "<CC>"; |
| outs().flush(); |
| LLVM_DEBUG(errs() << "\nAbout to run:\t"; |
| for (unsigned i = 0, e = CCArgs.size() - 1; i != e; ++i) errs() |
| << " " << CCArgs[i]; |
| errs() << "\n";); |
| if (RunProgramWithTimeout(CCPath, CCArgs, "", "", "")) |
| return ProcessFailure(CCPath, CCArgs); |
| return Error::success(); |
| } |
| |
| /// create - Try to find the CC executable |
| /// |
| CC *CC::create(const char *Argv0, std::string &Message, |
| const std::string &CCBinary, |
| const std::vector<std::string> *Args) { |
| auto CCPath = FindProgramByName(CCBinary, Argv0, (void *)(intptr_t)&create); |
| if (!CCPath) { |
| Message = "Cannot find `" + CCBinary + "' in PATH: " + |
| CCPath.getError().message() + "\n"; |
| return nullptr; |
| } |
| |
| std::string RemoteClientPath; |
| if (!RemoteClient.empty()) { |
| auto Path = sys::findProgramByName(RemoteClient); |
| if (!Path) { |
| Message = "Cannot find `" + RemoteClient + "' in PATH: " + |
| Path.getError().message() + "\n"; |
| return nullptr; |
| } |
| RemoteClientPath = *Path; |
| } |
| |
| Message = "Found CC: " + *CCPath + "\n"; |
| return new CC(*CCPath, RemoteClientPath, Args); |
| } |