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Diffstat (limited to 'tools/bugpoint/ToolRunner.cpp')
| -rw-r--r-- | tools/bugpoint/ToolRunner.cpp | 890 |
1 files changed, 890 insertions, 0 deletions
diff --git a/tools/bugpoint/ToolRunner.cpp b/tools/bugpoint/ToolRunner.cpp new file mode 100644 index 00000000000..d975d68d969 --- /dev/null +++ b/tools/bugpoint/ToolRunner.cpp @@ -0,0 +1,890 @@ +//===-- ToolRunner.cpp ----------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file 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 "ToolRunner.h" +#include "llvm/Support/Program.h" +#include "llvm/Support/CommandLine.h" +#include "llvm/Support/Debug.h" +#include "llvm/Support/FileUtilities.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/Config/config.h" // for HAVE_LINK_R +#include <fstream> +#include <sstream> +using namespace llvm; + +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(const sys::Path &ProgramPath, + const char **Args, + const sys::Path &StdInFile, + const sys::Path &StdOutFile, + const sys::Path &StdErrFile, + unsigned NumSeconds = 0, + unsigned MemoryLimit = 0, + std::string *ErrMsg = 0) { + const sys::Path* redirects[3]; + redirects[0] = &StdInFile; + redirects[1] = &StdOutFile; + redirects[2] = &StdErrFile; + +#if 0 // For debug purposes + { + errs() << "RUN:"; + for (unsigned i = 0; Args[i]; ++i) + errs() << " " << Args[i]; + errs() << "\n"; + } +#endif + + return + sys::Program::ExecuteAndWait(ProgramPath, Args, 0, 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(const sys::Path &RemoteClientPath, + const char **Args, + const sys::Path &StdInFile, + const sys::Path &StdOutFile, + const sys::Path &StdErrFile, + unsigned NumSeconds = 0, + unsigned MemoryLimit = 0) { + const sys::Path* redirects[3]; + redirects[0] = &StdInFile; + redirects[1] = &StdOutFile; + redirects[2] = &StdErrFile; + +#if 0 // For debug purposes + { + errs() << "RUN:"; + for (unsigned i = 0; Args[i]; ++i) + errs() << " " << Args[i]; + errs() << "\n"; + } +#endif + + // Run the program remotely with the remote client + int ReturnCode = sys::Program::ExecuteAndWait(RemoteClientPath, Args, + 0, redirects, NumSeconds, MemoryLimit); + + // Has the remote client fail? + if (255 == ReturnCode) { + std::ostringstream OS; + OS << "\nError running remote client:\n "; + for (const char **Arg = Args; *Arg; ++Arg) + OS << " " << *Arg; + OS << "\n"; + + // The error message is in the output file, let's print it out from there. + std::ifstream ErrorFile(StdOutFile.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 std::string ProcessFailure(sys::Path ProgPath, const char** Args, + unsigned Timeout = 0, + unsigned MemoryLimit = 0) { + std::ostringstream OS; + OS << "\nError running tool:\n "; + for (const char **Arg = Args; *Arg; ++Arg) + OS << " " << *Arg; + OS << "\n"; + + // Rerun the compiler, capturing any error messages to print them. + sys::Path ErrorFilename("bugpoint.program_error_messages"); + std::string ErrMsg; + if (ErrorFilename.makeUnique(true, &ErrMsg)) { + errs() << "Error making unique filename: " << ErrMsg << "\n"; + exit(1); + } + RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename, + ErrorFilename, Timeout, MemoryLimit); + // FIXME: check return code ? + + // 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>(OS)); + ErrorFile.close(); + } + + ErrorFilename.eraseFromDisk(); + return OS.str(); +} + +//===---------------------------------------------------------------------===// +// 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; } + } + + virtual int ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs, + const std::vector<std::string> &SharedLibs = + std::vector<std::string>(), + unsigned Timeout = 0, + unsigned MemoryLimit = 0); + }; +} + +int LLI::ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs, + const std::vector<std::string> &SharedLibs, + unsigned Timeout, + unsigned MemoryLimit) { + std::vector<const char*> 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).c_str()); + } + + // Add any extra LLI args. + for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) + LLIArgs.push_back(ToolArgs[i].c_str()); + + LLIArgs.push_back(Bitcode.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); + + outs() << "<lli>"; outs().flush(); + DEBUG(errs() << "\nAbout to run:\t"; + for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i) + errs() << " " << LLIArgs[i]; + errs() << "\n"; + ); + return RunProgramWithTimeout(sys::Path(LLIPath), &LLIArgs[0], + sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile), + Timeout, MemoryLimit, Error); +} + +void AbstractInterpreter::anchor() { } + +// LLI create method - Try to find the LLI executable +AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0, + std::string &Message, + const std::vector<std::string> *ToolArgs) { + std::string LLIPath = + PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t)&createLLI).str(); + if (!LLIPath.empty()) { + Message = "Found lli: " + LLIPath + "\n"; + return new LLI(LLIPath, ToolArgs); + } + + Message = "Cannot find `lli' in executable directory!\n"; + return 0; +} + +//===---------------------------------------------------------------------===// +// 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(CompArgs) {} + + virtual void compileProgram(const std::string &Bitcode, + std::string *Error, + unsigned Timeout = 0, + unsigned MemoryLimit = 0); + + virtual int ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs = + std::vector<std::string>(), + const std::vector<std::string> &SharedLibs = + std::vector<std::string>(), + unsigned Timeout = 0, + unsigned MemoryLimit = 0) { + *Error = "Execution not supported with -compile-custom"; + return -1; + } + }; +} + +void CustomCompiler::compileProgram(const std::string &Bitcode, + std::string *Error, + unsigned Timeout, + unsigned MemoryLimit) { + + std::vector<const char*> 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.c_str()); + ProgramArgs.push_back(0); + + // 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( sys::Path(CompilerCommand), &ProgramArgs[0], + sys::Path(), sys::Path(), sys::Path(), + Timeout, MemoryLimit, Error)) + *Error = ProcessFailure(sys::Path(CompilerCommand), &ProgramArgs[0], + Timeout, MemoryLimit); +} + +//===---------------------------------------------------------------------===// +// 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(ExecArgs) {} + + virtual int ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs, + const std::vector<std::string> &SharedLibs = + std::vector<std::string>(), + unsigned Timeout = 0, + unsigned MemoryLimit = 0); + }; +} + +int CustomExecutor::ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs, + const std::vector<std::string> &SharedLibs, + unsigned Timeout, + unsigned MemoryLimit) { + + std::vector<const char*> ProgramArgs; + ProgramArgs.push_back(ExecutionCommand.c_str()); + + for (std::size_t i = 0; i < ExecutorArgs.size(); ++i) + ProgramArgs.push_back(ExecutorArgs.at(i).c_str()); + ProgramArgs.push_back(Bitcode.c_str()); + ProgramArgs.push_back(0); + + // 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()); + + return RunProgramWithTimeout( + sys::Path(ExecutionCommand), + &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile), + sys::Path(OutputFile), Timeout, MemoryLimit, Error); +} + +// 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 program sees only a single +// command line argument (with spaces in it: "foo bar" instead +// of "foo" and "bar"). +// +// code borrowed from: +// http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html +static void lexCommand(std::string &Message, const std::string &CommandLine, + std::string &CmdPath, std::vector<std::string> Args) { + + std::string Command = ""; + std::string delimiters = " "; + + std::string::size_type lastPos = CommandLine.find_first_not_of(delimiters, 0); + std::string::size_type pos = CommandLine.find_first_of(delimiters, lastPos); + + while (std::string::npos != pos || std::string::npos != lastPos) { + std::string token = CommandLine.substr(lastPos, pos - lastPos); + if (Command == "") + Command = token; + else + Args.push_back(token); + // Skip delimiters. Note the "not_of" + lastPos = CommandLine.find_first_not_of(delimiters, pos); + // Find next "non-delimiter" + pos = CommandLine.find_first_of(delimiters, lastPos); + } + + CmdPath = sys::Program::FindProgramByName(Command).str(); + if (CmdPath.empty()) { + Message = + std::string("Cannot find '") + Command + + "' in PATH!\n"; + return; + } + + Message = "Found command in: " + CmdPath + "\n"; +} + +// Custom execution environment create method, takes the execution command +// as arguments +AbstractInterpreter *AbstractInterpreter::createCustomCompiler( + std::string &Message, + const std::string &CompileCommandLine) { + + std::string CmdPath; + std::vector<std::string> Args; + lexCommand(Message, CompileCommandLine, CmdPath, Args); + if (CmdPath.empty()) + return 0; + + return new CustomCompiler(CmdPath, Args); +} + +// Custom execution environment create method, takes the execution command +// as arguments +AbstractInterpreter *AbstractInterpreter::createCustomExecutor( + std::string &Message, + const std::string &ExecCommandLine) { + + + std::string CmdPath; + std::vector<std::string> Args; + lexCommand(Message, ExecCommandLine, CmdPath, Args); + if (CmdPath.empty()) + return 0; + + return new CustomExecutor(CmdPath, Args); +} + +//===----------------------------------------------------------------------===// +// LLC Implementation of AbstractIntepreter interface +// +GCC::FileType LLC::OutputCode(const std::string &Bitcode, + sys::Path &OutputAsmFile, std::string &Error, + unsigned Timeout, unsigned MemoryLimit) { + const char *Suffix = (UseIntegratedAssembler ? ".llc.o" : ".llc.s"); + sys::Path uniqueFile(Bitcode + Suffix); + std::string ErrMsg; + if (uniqueFile.makeUnique(true, &ErrMsg)) { + errs() << "Error making unique filename: " << ErrMsg << "\n"; + exit(1); + } + OutputAsmFile = uniqueFile; + std::vector<const char *> LLCArgs; + LLCArgs.push_back(LLCPath.c_str()); + + // Add any extra LLC args. + for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) + LLCArgs.push_back(ToolArgs[i].c_str()); + + LLCArgs.push_back("-o"); + LLCArgs.push_back(OutputAsmFile.c_str()); // Output to the Asm file + LLCArgs.push_back(Bitcode.c_str()); // This is the input bitcode + + if (UseIntegratedAssembler) + LLCArgs.push_back("-filetype=obj"); + + LLCArgs.push_back (0); + + outs() << (UseIntegratedAssembler ? "<llc-ia>" : "<llc>"); + outs().flush(); + DEBUG(errs() << "\nAbout to run:\t"; + for (unsigned i = 0, e = LLCArgs.size()-1; i != e; ++i) + errs() << " " << LLCArgs[i]; + errs() << "\n"; + ); + if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0], + sys::Path(), sys::Path(), sys::Path(), + Timeout, MemoryLimit)) + Error = ProcessFailure(sys::Path(LLCPath), &LLCArgs[0], + Timeout, MemoryLimit); + return UseIntegratedAssembler ? GCC::ObjectFile : GCC::AsmFile; +} + +void LLC::compileProgram(const std::string &Bitcode, std::string *Error, + unsigned Timeout, unsigned MemoryLimit) { + sys::Path OutputAsmFile; + OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, MemoryLimit); + OutputAsmFile.eraseFromDisk(); +} + +int LLC::ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &ArgsForGCC, + const std::vector<std::string> &SharedLibs, + unsigned Timeout, + unsigned MemoryLimit) { + + sys::Path OutputAsmFile; + GCC::FileType FileKind = OutputCode(Bitcode, OutputAsmFile, *Error, Timeout, + MemoryLimit); + FileRemover OutFileRemover(OutputAsmFile.str(), !SaveTemps); + + std::vector<std::string> GCCArgs(ArgsForGCC); + GCCArgs.insert(GCCArgs.end(), SharedLibs.begin(), SharedLibs.end()); + + // Assuming LLC worked, compile the result with GCC and run it. + return gcc->ExecuteProgram(OutputAsmFile.str(), Args, FileKind, + InputFile, OutputFile, Error, GCCArgs, + Timeout, MemoryLimit); +} + +/// createLLC - Try to find the LLC executable +/// +LLC *AbstractInterpreter::createLLC(const char *Argv0, + std::string &Message, + const std::string &GCCBinary, + const std::vector<std::string> *Args, + const std::vector<std::string> *GCCArgs, + bool UseIntegratedAssembler) { + std::string LLCPath = + PrependMainExecutablePath("llc", Argv0, (void *)(intptr_t)&createLLC).str(); + if (LLCPath.empty()) { + Message = "Cannot find `llc' in executable directory!\n"; + return 0; + } + + Message = "Found llc: " + LLCPath + "\n"; + GCC *gcc = GCC::create(Message, GCCBinary, GCCArgs); + if (!gcc) { + errs() << Message << "\n"; + exit(1); + } + return new LLC(LLCPath, gcc, 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; } + } + + virtual int ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs = + std::vector<std::string>(), + const std::vector<std::string> &SharedLibs = + std::vector<std::string>(), + unsigned Timeout = 0, + unsigned MemoryLimit = 0); + }; +} + +int JIT::ExecuteProgram(const std::string &Bitcode, + const std::vector<std::string> &Args, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &GCCArgs, + const std::vector<std::string> &SharedLibs, + unsigned Timeout, + unsigned MemoryLimit) { + // 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("-force-interpreter=false"); + + // Add any extra LLI args. + for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i) + JITArgs.push_back(ToolArgs[i].c_str()); + + for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) { + JITArgs.push_back("-load"); + JITArgs.push_back(SharedLibs[i].c_str()); + } + 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].c_str()); + JITArgs.push_back(0); + + outs() << "<jit>"; outs().flush(); + DEBUG(errs() << "\nAbout to run:\t"; + for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i) + errs() << " " << JITArgs[i]; + errs() << "\n"; + ); + DEBUG(errs() << "\nSending output to " << OutputFile << "\n"); + return RunProgramWithTimeout(sys::Path(LLIPath), &JITArgs[0], + sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile), + Timeout, MemoryLimit, Error); +} + +/// createJIT - Try to find the LLI executable +/// +AbstractInterpreter *AbstractInterpreter::createJIT(const char *Argv0, + std::string &Message, const std::vector<std::string> *Args) { + std::string LLIPath = + PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t)&createJIT).str(); + if (!LLIPath.empty()) { + Message = "Found lli: " + LLIPath + "\n"; + return new JIT(LLIPath, Args); + } + + Message = "Cannot find `lli' in executable directory!\n"; + return 0; +} + +//===---------------------------------------------------------------------===// +// GCC abstraction +// + +static bool IsARMArchitecture(std::vector<const char*> Args) { + for (std::vector<const char*>::const_iterator + I = Args.begin(), E = Args.end(); I != E; ++I) { + if (StringRef(*I).equals_lower("-arch")) { + ++I; + if (I != E && StringRef(*I).substr(0, strlen("arm")).equals_lower("arm")) + return true; + } + } + + return false; +} + +int GCC::ExecuteProgram(const std::string &ProgramFile, + const std::vector<std::string> &Args, + FileType fileType, + const std::string &InputFile, + const std::string &OutputFile, + std::string *Error, + const std::vector<std::string> &ArgsForGCC, + unsigned Timeout, + unsigned MemoryLimit) { + std::vector<const char*> GCCArgs; + + GCCArgs.push_back(GCCPath.c_str()); + + if (TargetTriple.getArch() == Triple::x86) + GCCArgs.push_back("-m32"); + + for (std::vector<std::string>::const_iterator + I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I) + GCCArgs.push_back(I->c_str()); + + // Specify -x explicitly in case the extension is wonky + if (fileType != ObjectFile) { + GCCArgs.push_back("-x"); + if (fileType == CFile) { + GCCArgs.push_back("c"); + GCCArgs.push_back("-fno-strict-aliasing"); + } else { + GCCArgs.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 gcc flags + if (TargetTriple.isOSDarwin() && !IsARMArchitecture(GCCArgs)) + GCCArgs.push_back("-force_cpusubtype_ALL"); + } + } + + GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename. + + GCCArgs.push_back("-x"); + GCCArgs.push_back("none"); + GCCArgs.push_back("-o"); + sys::Path OutputBinary (ProgramFile+".gcc.exe"); + std::string ErrMsg; + if (OutputBinary.makeUnique(true, &ErrMsg)) { + errs() << "Error making unique filename: " << ErrMsg << "\n"; + exit(1); + } + GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file... + + // Add any arguments intended for GCC. 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 = ArgsForGCC.size(); i != e; ++i) + GCCArgs.push_back(ArgsForGCC[i].c_str()); + + GCCArgs.push_back("-lm"); // Hard-code the math library... + GCCArgs.push_back("-O2"); // Optimize the program a bit... +#if defined (HAVE_LINK_R) + GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files +#endif + if (TargetTriple.getArch() == Triple::sparc) + GCCArgs.push_back("-mcpu=v9"); + GCCArgs.push_back(0); // NULL terminator + + outs() << "<gcc>"; outs().flush(); + DEBUG(errs() << "\nAbout to run:\t"; + for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i) + errs() << " " << GCCArgs[i]; + errs() << "\n"; + ); + if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(), + sys::Path())) { + *Error = ProcessFailure(GCCPath, &GCCArgs[0]); + return -1; + } + + std::vector<const char*> ProgramArgs; + + // Declared here so that the destructor only runs after + // ProgramArgs is used. + std::string Exec; + + if (RemoteClientPath.isEmpty()) + ProgramArgs.push_back(OutputBinary.c_str()); + else { + ProgramArgs.push_back(RemoteClientPath.c_str()); + ProgramArgs.push_back(RemoteHost.c_str()); + if (!RemoteUser.empty()) { + ProgramArgs.push_back("-l"); + ProgramArgs.push_back(RemoteUser.c_str()); + } + if (!RemotePort.empty()) { + ProgramArgs.push_back("-p"); + ProgramArgs.push_back(RemotePort.c_str()); + } + if (!RemoteExtra.empty()) { + ProgramArgs.push_back(RemoteExtra.c_str()); + } + + // 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.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! + outs() << "<program>"; outs().flush(); + 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.isEmpty()) { + DEBUG(errs() << "<run locally>"); + int ExitCode = RunProgramWithTimeout(OutputBinary, &ProgramArgs[0], + sys::Path(InputFile), sys::Path(OutputFile), sys::Path(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(); + Error->clear(); + } + return ExitCode; + } else { + outs() << "<run remotely>"; outs().flush(); + return RunProgramRemotelyWithTimeout(sys::Path(RemoteClientPath), + &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile), + sys::Path(OutputFile), Timeout, MemoryLimit); + } +} + +int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType, + std::string &OutputFile, + const std::vector<std::string> &ArgsForGCC, + std::string &Error) { + sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT); + std::string ErrMsg; + if (uniqueFilename.makeUnique(true, &ErrMsg)) { + errs() << "Error making unique filename: " << ErrMsg << "\n"; + exit(1); + } + OutputFile = uniqueFilename.str(); + + std::vector<const char*> GCCArgs; + + GCCArgs.push_back(GCCPath.c_str()); + + if (TargetTriple.getArch() == Triple::x86) + GCCArgs.push_back("-m32"); + + for (std::vector<std::string>::const_iterator + I = gccArgs.begin(), E = gccArgs.end(); I != E; ++I) + GCCArgs.push_back(I->c_str()); + + // Compile the C/asm file into a shared object + if (fileType != ObjectFile) { + GCCArgs.push_back("-x"); + GCCArgs.push_back(fileType == AsmFile ? "assembler" : "c"); + } + GCCArgs.push_back("-fno-strict-aliasing"); + GCCArgs.push_back(InputFile.c_str()); // Specify the input filename. + GCCArgs.push_back("-x"); + GCCArgs.push_back("none"); + if (TargetTriple.getArch() == Triple::sparc) + GCCArgs.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 GCC. + GCCArgs.push_back("-single_module"); + GCCArgs.push_back("-dynamiclib"); // `-dynamiclib' for MacOS X/PowerPC + GCCArgs.push_back("-undefined"); + GCCArgs.push_back("dynamic_lookup"); + } else + GCCArgs.push_back("-shared"); // `-shared' for Linux/X86, maybe others + + if (TargetTriple.getArch() == Triple::x86_64) + GCCArgs.push_back("-fPIC"); // Requires shared objs to contain PIC + + if (TargetTriple.getArch() == Triple::sparc) + GCCArgs.push_back("-mcpu=v9"); + + GCCArgs.push_back("-o"); + GCCArgs.push_back(OutputFile.c_str()); // Output to the right filename. + GCCArgs.push_back("-O2"); // Optimize the program a bit. + + + + // Add any arguments intended for GCC. 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 = ArgsForGCC.size(); i != e; ++i) + GCCArgs.push_back(ArgsForGCC[i].c_str()); + GCCArgs.push_back(0); // NULL terminator + + + + outs() << "<gcc>"; outs().flush(); + DEBUG(errs() << "\nAbout to run:\t"; + for (unsigned i = 0, e = GCCArgs.size()-1; i != e; ++i) + errs() << " " << GCCArgs[i]; + errs() << "\n"; + ); + if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(), + sys::Path())) { + Error = ProcessFailure(GCCPath, &GCCArgs[0]); + return 1; + } + return 0; +} + +/// create - Try to find the `gcc' executable +/// +GCC *GCC::create(std::string &Message, + const std::string &GCCBinary, + const std::vector<std::string> *Args) { + sys::Path GCCPath = sys::Program::FindProgramByName(GCCBinary); + if (GCCPath.isEmpty()) { + Message = "Cannot find `"+ GCCBinary +"' in PATH!\n"; + return 0; + } + + sys::Path RemoteClientPath; + if (!RemoteClient.empty()) + RemoteClientPath = sys::Program::FindProgramByName(RemoteClient); + + Message = "Found gcc: " + GCCPath.str() + "\n"; + return new GCC(GCCPath, RemoteClientPath, Args); +} |