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				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-04 05:17:07 +00:00 
			
		
		
		
	Patch by Pekka Jääskeläinen! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50373 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			731 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			731 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- ToolRunner.cpp ----------------------------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the interfaces described in the ToolRunner.h file.
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//
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//===----------------------------------------------------------------------===//
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#define DEBUG_TYPE "toolrunner"
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#include "ToolRunner.h"
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#include "llvm/Config/config.h"   // for HAVE_LINK_R
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#include "llvm/System/Program.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/FileUtilities.h"
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#include <fstream>
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#include <sstream>
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#include <iostream>
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using namespace llvm;
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namespace {
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  cl::opt<std::string>
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  RSHHost("rsh-host",
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          cl::desc("Remote execution (rsh) host"));
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  cl::opt<std::string>
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  RSHUser("rsh-user",
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          cl::desc("Remote execution (rsh) user id"));
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}
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ToolExecutionError::~ToolExecutionError() throw() { }
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/// RunProgramWithTimeout - This function provides an alternate interface to the
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/// sys::Program::ExecuteAndWait interface.
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/// @see sys:Program::ExecuteAndWait
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static int RunProgramWithTimeout(const sys::Path &ProgramPath,
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                                 const char **Args,
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                                 const sys::Path &StdInFile,
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                                 const sys::Path &StdOutFile,
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                                 const sys::Path &StdErrFile,
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                                 unsigned NumSeconds = 0,
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                                 unsigned MemoryLimit = 0) {
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  const sys::Path* redirects[3];
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  redirects[0] = &StdInFile;
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  redirects[1] = &StdOutFile;
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  redirects[2] = &StdErrFile;
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  if (0) {
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    std::cerr << "RUN:";
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    for (unsigned i = 0; Args[i]; ++i)
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      std::cerr << " " << Args[i];
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    std::cerr << "\n";
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  }
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  return
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    sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects,
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                                 NumSeconds, MemoryLimit);
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}
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static void ProcessFailure(sys::Path ProgPath, const char** Args) {
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  std::ostringstream OS;
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  OS << "\nError running tool:\n ";
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  for (const char **Arg = Args; *Arg; ++Arg)
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    OS << " " << *Arg;
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  OS << "\n";
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  // Rerun the compiler, capturing any error messages to print them.
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  sys::Path ErrorFilename("error_messages");
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  std::string ErrMsg;
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  if (ErrorFilename.makeUnique(true, &ErrMsg)) {
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    std::cerr << "Error making unique filename: " << ErrMsg << "\n";
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    exit(1);
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  }
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  RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
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                        ErrorFilename); // FIXME: check return code ?
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  // Print out the error messages generated by GCC if possible...
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  std::ifstream ErrorFile(ErrorFilename.c_str());
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  if (ErrorFile) {
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    std::copy(std::istreambuf_iterator<char>(ErrorFile),
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              std::istreambuf_iterator<char>(),
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              std::ostreambuf_iterator<char>(OS));
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    ErrorFile.close();
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  }
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  ErrorFilename.eraseFromDisk();
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  throw ToolExecutionError(OS.str());
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}
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//===---------------------------------------------------------------------===//
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// LLI Implementation of AbstractIntepreter interface
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//
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namespace {
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  class LLI : public AbstractInterpreter {
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    std::string LLIPath;          // The path to the LLI executable
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    std::vector<std::string> ToolArgs; // Args to pass to LLI
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  public:
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    LLI(const std::string &Path, const std::vector<std::string> *Args)
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      : LLIPath(Path) {
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      ToolArgs.clear ();
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      if (Args) { ToolArgs = *Args; }
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    }
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    virtual int ExecuteProgram(const std::string &Bitcode,
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                               const std::vector<std::string> &Args,
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                               const std::string &InputFile,
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                               const std::string &OutputFile,
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                               const std::vector<std::string> &GCCArgs,
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                               const std::vector<std::string> &SharedLibs =
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                               std::vector<std::string>(),
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                               unsigned Timeout = 0,
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                               unsigned MemoryLimit = 0);
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  };
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}
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int LLI::ExecuteProgram(const std::string &Bitcode,
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                        const std::vector<std::string> &Args,
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                        const std::string &InputFile,
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                        const std::string &OutputFile,
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                        const std::vector<std::string> &GCCArgs,
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                        const std::vector<std::string> &SharedLibs,
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                        unsigned Timeout,
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                        unsigned MemoryLimit) {
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  if (!SharedLibs.empty())
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    throw ToolExecutionError("LLI currently does not support "
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                             "loading shared libraries.");
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  if (!GCCArgs.empty())
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    throw ToolExecutionError("LLI currently does not support "
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                             "GCC Arguments.");
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  std::vector<const char*> LLIArgs;
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  LLIArgs.push_back(LLIPath.c_str());
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  LLIArgs.push_back("-force-interpreter=true");
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  // Add any extra LLI args.
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  for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
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    LLIArgs.push_back(ToolArgs[i].c_str());
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  LLIArgs.push_back(Bitcode.c_str());
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  // Add optional parameters to the running program from Argv
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  for (unsigned i=0, e = Args.size(); i != e; ++i)
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    LLIArgs.push_back(Args[i].c_str());
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  LLIArgs.push_back(0);
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  std::cout << "<lli>" << std::flush;
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  DEBUG(std::cerr << "\nAbout to run:\t";
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        for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i)
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          std::cerr << " " << LLIArgs[i];
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        std::cerr << "\n";
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        );
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  return RunProgramWithTimeout(sys::Path(LLIPath), &LLIArgs[0],
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      sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
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      Timeout, MemoryLimit);
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}
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// LLI create method - Try to find the LLI executable
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AbstractInterpreter *AbstractInterpreter::createLLI(const std::string &ProgPath,
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                                                    std::string &Message,
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                                     const std::vector<std::string> *ToolArgs) {
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  std::string LLIPath = FindExecutable("lli", ProgPath).toString();
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  if (!LLIPath.empty()) {
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    Message = "Found lli: " + LLIPath + "\n";
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    return new LLI(LLIPath, ToolArgs);
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  }
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  Message = "Cannot find `lli' in executable directory or PATH!\n";
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  return 0;
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}
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//===---------------------------------------------------------------------===//
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// Custom execution command implementation of AbstractIntepreter interface
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//
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// Allows using a custom command for executing the bitcode, thus allows,
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// for example, to invoke a cross compiler for code generation followed by 
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// a simulator that executes the generated binary.
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namespace {
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  class CustomExecutor : public AbstractInterpreter {
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    std::string ExecutionCommand;
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    std::vector<std::string> ExecutorArgs;
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  public:
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    CustomExecutor(
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      const std::string &ExecutionCmd, std::vector<std::string> ExecArgs) :
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      ExecutionCommand(ExecutionCmd), ExecutorArgs(ExecArgs) {}
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    virtual int ExecuteProgram(const std::string &Bitcode,
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                               const std::vector<std::string> &Args,
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                               const std::string &InputFile,
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                               const std::string &OutputFile,
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                               const std::vector<std::string> &GCCArgs,
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                               const std::vector<std::string> &SharedLibs =
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                               std::vector<std::string>(),
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                               unsigned Timeout = 0,
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                               unsigned MemoryLimit = 0);
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  };
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}
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int CustomExecutor::ExecuteProgram(const std::string &Bitcode,
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                        const std::vector<std::string> &Args,
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                        const std::string &InputFile,
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                        const std::string &OutputFile,
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                        const std::vector<std::string> &GCCArgs,
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                        const std::vector<std::string> &SharedLibs,
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                        unsigned Timeout,
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                        unsigned MemoryLimit) {
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  std::vector<const char*> ProgramArgs;
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  ProgramArgs.push_back(ExecutionCommand.c_str());
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  for (std::size_t i = 0; i < ExecutorArgs.size(); ++i)
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    ProgramArgs.push_back(ExecutorArgs.at(i).c_str());
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  ProgramArgs.push_back(Bitcode.c_str());
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  ProgramArgs.push_back(0);
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  // Add optional parameters to the running program from Argv
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  for (unsigned i=0, e = Args.size(); i != e; ++i)
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    ProgramArgs.push_back(Args[i].c_str());
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  return RunProgramWithTimeout(
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    sys::Path(ExecutionCommand),
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    &ProgramArgs[0], sys::Path(InputFile), sys::Path(OutputFile), 
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    sys::Path(OutputFile), Timeout, MemoryLimit);
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}
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// Custom execution environment create method, takes the execution command
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// as arguments
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AbstractInterpreter *AbstractInterpreter::createCustom(
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                    const std::string &ProgramPath,
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                    std::string &Message,
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                    const std::string &ExecCommandLine) {
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  std::string Command = "";
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  std::vector<std::string> Args;
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  std::string delimiters = " ";
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  // Tokenize the ExecCommandLine to the command and the args to allow
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  // defining a full command line as the command instead of just the
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  // executed program. We cannot just pass the whole string after the command
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  // as a single argument because then program sees only a single
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  // command line argument (with spaces in it: "foo bar" instead 
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  // of "foo" and "bar").
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 | 
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  // code borrowed from: 
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  // http://oopweb.com/CPP/Documents/CPPHOWTO/Volume/C++Programming-HOWTO-7.html
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  std::string::size_type lastPos = 
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    ExecCommandLine.find_first_not_of(delimiters, 0);
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  std::string::size_type pos = 
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    ExecCommandLine.find_first_of(delimiters, lastPos);
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  while (std::string::npos != pos || std::string::npos != lastPos) {
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    std::string token = ExecCommandLine.substr(lastPos, pos - lastPos);
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    if (Command == "")
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       Command = token;
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    else
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       Args.push_back(token);
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    // Skip delimiters.  Note the "not_of"
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    lastPos = ExecCommandLine.find_first_not_of(delimiters, pos);
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    // Find next "non-delimiter"
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    pos = ExecCommandLine.find_first_of(delimiters, lastPos);
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  }
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  std::string CmdPath = FindExecutable(Command, ProgramPath).toString();
 | 
						|
  if (CmdPath.empty()) {
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    Message = 
 | 
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      std::string("Cannot find '") + Command + 
 | 
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      "' in executable directory or PATH!\n";
 | 
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    return 0;
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  }
 | 
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 | 
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  Message = "Found command in: " + CmdPath + "\n";
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  return new CustomExecutor(CmdPath, Args);
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}
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//===----------------------------------------------------------------------===//
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// LLC Implementation of AbstractIntepreter interface
 | 
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//
 | 
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GCC::FileType LLC::OutputCode(const std::string &Bitcode, 
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                              sys::Path &OutputAsmFile) {
 | 
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  sys::Path uniqueFile(Bitcode+".llc.s");
 | 
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  std::string ErrMsg;
 | 
						|
  if (uniqueFile.makeUnique(true, &ErrMsg)) {
 | 
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    std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 | 
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    exit(1);
 | 
						|
  }
 | 
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  OutputAsmFile = uniqueFile;
 | 
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  std::vector<const char *> LLCArgs;
 | 
						|
  LLCArgs.push_back (LLCPath.c_str());
 | 
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  // Add any extra LLC args.
 | 
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  for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
 | 
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    LLCArgs.push_back(ToolArgs[i].c_str());
 | 
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 | 
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  LLCArgs.push_back ("-o");
 | 
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  LLCArgs.push_back (OutputAsmFile.c_str()); // Output to the Asm file
 | 
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  LLCArgs.push_back ("-f");                  // Overwrite as necessary...
 | 
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  LLCArgs.push_back (Bitcode.c_str());      // This is the input bitcode
 | 
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  LLCArgs.push_back (0);
 | 
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 | 
						|
  std::cout << "<llc>" << std::flush;
 | 
						|
  DEBUG(std::cerr << "\nAbout to run:\t";
 | 
						|
        for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
 | 
						|
          std::cerr << " " << LLCArgs[i];
 | 
						|
        std::cerr << "\n";
 | 
						|
        );
 | 
						|
  if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0],
 | 
						|
                            sys::Path(), sys::Path(), sys::Path()))
 | 
						|
    ProcessFailure(sys::Path(LLCPath), &LLCArgs[0]);
 | 
						|
 | 
						|
  return GCC::AsmFile;                              
 | 
						|
}
 | 
						|
 | 
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void LLC::compileProgram(const std::string &Bitcode) {
 | 
						|
  sys::Path OutputAsmFile;
 | 
						|
  OutputCode(Bitcode, OutputAsmFile);
 | 
						|
  OutputAsmFile.eraseFromDisk();
 | 
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}
 | 
						|
 | 
						|
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> &ArgsForGCC,
 | 
						|
                        const std::vector<std::string> &SharedLibs,
 | 
						|
                        unsigned Timeout,
 | 
						|
                        unsigned MemoryLimit) {
 | 
						|
 | 
						|
  sys::Path OutputAsmFile;
 | 
						|
  OutputCode(Bitcode, OutputAsmFile);
 | 
						|
  FileRemover OutFileRemover(OutputAsmFile);
 | 
						|
 | 
						|
  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.toString(), Args, GCC::AsmFile,
 | 
						|
                             InputFile, OutputFile, GCCArgs,
 | 
						|
                             Timeout, MemoryLimit);
 | 
						|
}
 | 
						|
 | 
						|
/// createLLC - Try to find the LLC executable
 | 
						|
///
 | 
						|
LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath,
 | 
						|
                                    std::string &Message,
 | 
						|
                                    const std::vector<std::string> *Args) {
 | 
						|
  std::string LLCPath = FindExecutable("llc", ProgramPath).toString();
 | 
						|
  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, Args);
 | 
						|
}
 | 
						|
 | 
						|
//===---------------------------------------------------------------------===//
 | 
						|
// 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,
 | 
						|
                               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,
 | 
						|
                        const std::vector<std::string> &GCCArgs,
 | 
						|
                        const std::vector<std::string> &SharedLibs,
 | 
						|
                        unsigned Timeout,
 | 
						|
                        unsigned MemoryLimit) {
 | 
						|
  if (!GCCArgs.empty())
 | 
						|
    throw ToolExecutionError("JIT does not support GCC Arguments.");
 | 
						|
  // 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);
 | 
						|
 | 
						|
  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(sys::Path(LLIPath), &JITArgs[0],
 | 
						|
      sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
 | 
						|
      Timeout, MemoryLimit);
 | 
						|
}
 | 
						|
 | 
						|
/// createJIT - Try to find the LLI executable
 | 
						|
///
 | 
						|
AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath,
 | 
						|
                   std::string &Message, const std::vector<std::string> *Args) {
 | 
						|
  std::string LLIPath = FindExecutable("lli", ProgPath).toString();
 | 
						|
  if (!LLIPath.empty()) {
 | 
						|
    Message = "Found lli: " + LLIPath + "\n";
 | 
						|
    return new JIT(LLIPath, Args);
 | 
						|
  }
 | 
						|
 | 
						|
  Message = "Cannot find `lli' in executable directory or PATH!\n";
 | 
						|
  return 0;
 | 
						|
}
 | 
						|
 | 
						|
GCC::FileType CBE::OutputCode(const std::string &Bitcode,
 | 
						|
                              sys::Path &OutputCFile) {
 | 
						|
  sys::Path uniqueFile(Bitcode+".cbe.c");
 | 
						|
  std::string ErrMsg;
 | 
						|
  if (uniqueFile.makeUnique(true, &ErrMsg)) {
 | 
						|
    std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 | 
						|
    exit(1);
 | 
						|
  }
 | 
						|
  OutputCFile = 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 (OutputCFile.c_str());   // Output to the C file
 | 
						|
  LLCArgs.push_back ("-march=c");            // Output C language
 | 
						|
  LLCArgs.push_back ("-f");                  // Overwrite as necessary...
 | 
						|
  LLCArgs.push_back (Bitcode.c_str());      // This is the input bitcode
 | 
						|
  LLCArgs.push_back (0);
 | 
						|
 | 
						|
  std::cout << "<cbe>" << std::flush;
 | 
						|
  DEBUG(std::cerr << "\nAbout to run:\t";
 | 
						|
        for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
 | 
						|
          std::cerr << " " << LLCArgs[i];
 | 
						|
        std::cerr << "\n";
 | 
						|
        );
 | 
						|
  if (RunProgramWithTimeout(LLCPath, &LLCArgs[0], sys::Path(), sys::Path(),
 | 
						|
                            sys::Path()))
 | 
						|
    ProcessFailure(LLCPath, &LLCArgs[0]);
 | 
						|
  return GCC::CFile;
 | 
						|
}
 | 
						|
 | 
						|
void CBE::compileProgram(const std::string &Bitcode) {
 | 
						|
  sys::Path OutputCFile;
 | 
						|
  OutputCode(Bitcode, OutputCFile);
 | 
						|
  OutputCFile.eraseFromDisk();
 | 
						|
}
 | 
						|
 | 
						|
int CBE::ExecuteProgram(const std::string &Bitcode,
 | 
						|
                        const std::vector<std::string> &Args,
 | 
						|
                        const std::string &InputFile,
 | 
						|
                        const std::string &OutputFile,
 | 
						|
                        const std::vector<std::string> &ArgsForGCC,
 | 
						|
                        const std::vector<std::string> &SharedLibs,
 | 
						|
                        unsigned Timeout,
 | 
						|
                        unsigned MemoryLimit) {
 | 
						|
  sys::Path OutputCFile;
 | 
						|
  OutputCode(Bitcode, OutputCFile);
 | 
						|
 | 
						|
  FileRemover CFileRemove(OutputCFile);
 | 
						|
 | 
						|
  std::vector<std::string> GCCArgs(ArgsForGCC);
 | 
						|
  GCCArgs.insert(GCCArgs.end(),SharedLibs.begin(),SharedLibs.end());
 | 
						|
  return gcc->ExecuteProgram(OutputCFile.toString(), Args, GCC::CFile,
 | 
						|
                             InputFile, OutputFile, GCCArgs,
 | 
						|
                             Timeout, MemoryLimit);
 | 
						|
}
 | 
						|
 | 
						|
/// createCBE - Try to find the 'llc' executable
 | 
						|
///
 | 
						|
CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath,
 | 
						|
                                    std::string &Message,
 | 
						|
                                    const std::vector<std::string> *Args) {
 | 
						|
  sys::Path LLCPath = FindExecutable("llc", ProgramPath);
 | 
						|
  if (LLCPath.isEmpty()) {
 | 
						|
    Message =
 | 
						|
      "Cannot find `llc' in executable directory or PATH!\n";
 | 
						|
    return 0;
 | 
						|
  }
 | 
						|
 | 
						|
  Message = "Found llc: " + LLCPath.toString() + "\n";
 | 
						|
  GCC *gcc = GCC::create(ProgramPath, Message);
 | 
						|
  if (!gcc) {
 | 
						|
    std::cerr << Message << "\n";
 | 
						|
    exit(1);
 | 
						|
  }
 | 
						|
  return new CBE(LLCPath, gcc, Args);
 | 
						|
}
 | 
						|
 | 
						|
//===---------------------------------------------------------------------===//
 | 
						|
// 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> &ArgsForGCC,
 | 
						|
                        unsigned Timeout,
 | 
						|
                        unsigned MemoryLimit) {
 | 
						|
  std::vector<const char*> GCCArgs;
 | 
						|
 | 
						|
  GCCArgs.push_back(GCCPath.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");
 | 
						|
#ifdef __APPLE__
 | 
						|
    GCCArgs.push_back("-force_cpusubtype_ALL");
 | 
						|
#endif
 | 
						|
  }
 | 
						|
  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)) {
 | 
						|
    std::cerr << "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
 | 
						|
#ifdef __sparc__
 | 
						|
  GCCArgs.push_back("-mcpu=v9");
 | 
						|
#endif
 | 
						|
  GCCArgs.push_back(0);                    // NULL terminator
 | 
						|
 | 
						|
  std::cout << "<gcc>" << std::flush;
 | 
						|
  DEBUG(std::cerr << "\nAbout to run:\t";
 | 
						|
        for (unsigned i=0, e = GCCArgs.size()-1; i != e; ++i)
 | 
						|
          std::cerr << " " << GCCArgs[i];
 | 
						|
        std::cerr << "\n";
 | 
						|
        );
 | 
						|
  if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
 | 
						|
        sys::Path())) {
 | 
						|
    ProcessFailure(GCCPath, &GCCArgs[0]);
 | 
						|
    exit(1);
 | 
						|
  }
 | 
						|
 | 
						|
  std::vector<const char*> ProgramArgs;
 | 
						|
 | 
						|
  if (RSHPath.isEmpty())
 | 
						|
    ProgramArgs.push_back(OutputBinary.c_str());
 | 
						|
  else {
 | 
						|
    ProgramArgs.push_back(RSHPath.c_str());
 | 
						|
    ProgramArgs.push_back(RSHHost.c_str());
 | 
						|
    ProgramArgs.push_back("-l");
 | 
						|
    ProgramArgs.push_back(RSHUser.c_str());
 | 
						|
 | 
						|
    char* env_pwd = getenv("PWD");
 | 
						|
    std::string 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!
 | 
						|
  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";
 | 
						|
        );
 | 
						|
 | 
						|
  FileRemover OutputBinaryRemover(OutputBinary);
 | 
						|
 | 
						|
  if (RSHPath.isEmpty())
 | 
						|
    return RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
 | 
						|
        sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
 | 
						|
        Timeout, MemoryLimit);
 | 
						|
  else
 | 
						|
    return RunProgramWithTimeout(sys::Path(RSHPath), &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) {
 | 
						|
  sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT);
 | 
						|
  std::string ErrMsg;
 | 
						|
  if (uniqueFilename.makeUnique(true, &ErrMsg)) {
 | 
						|
    std::cerr << "Error making unique filename: " << ErrMsg << "\n";
 | 
						|
    exit(1);
 | 
						|
  }
 | 
						|
  OutputFile = uniqueFilename.toString();
 | 
						|
 | 
						|
  std::vector<const char*> GCCArgs;
 | 
						|
  
 | 
						|
  GCCArgs.push_back(GCCPath.c_str());
 | 
						|
  
 | 
						|
  
 | 
						|
  // Compile the C/asm file into a shared object
 | 
						|
  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 defined(sparc) || defined(__sparc__) || defined(__sparcv9)
 | 
						|
  GCCArgs.push_back("-G");       // Compile a shared library, `-G' for Sparc
 | 
						|
#elif defined(__APPLE__)
 | 
						|
  // 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
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(__ia64__) || defined(__alpha__) || defined(__amd64__)
 | 
						|
  GCCArgs.push_back("-fPIC");   // Requires shared objs to contain PIC
 | 
						|
#endif
 | 
						|
#ifdef __sparc__
 | 
						|
  GCCArgs.push_back("-mcpu=v9");
 | 
						|
#endif
 | 
						|
  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
 | 
						|
 | 
						|
  
 | 
						|
 | 
						|
  std::cout << "<gcc>" << std::flush;
 | 
						|
  DEBUG(std::cerr << "\nAbout to run:\t";
 | 
						|
        for (unsigned i=0, e = GCCArgs.size()-1; i != e; ++i)
 | 
						|
          std::cerr << " " << GCCArgs[i];
 | 
						|
        std::cerr << "\n";
 | 
						|
        );
 | 
						|
  if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
 | 
						|
                            sys::Path())) {
 | 
						|
    ProcessFailure(GCCPath, &GCCArgs[0]);
 | 
						|
    return 1;
 | 
						|
  }
 | 
						|
  return 0;
 | 
						|
}
 | 
						|
 | 
						|
/// create - Try to find the `gcc' executable
 | 
						|
///
 | 
						|
GCC *GCC::create(const std::string &ProgramPath, std::string &Message) {
 | 
						|
  sys::Path GCCPath = FindExecutable("gcc", ProgramPath);
 | 
						|
  if (GCCPath.isEmpty()) {
 | 
						|
    Message = "Cannot find `gcc' in executable directory or PATH!\n";
 | 
						|
    return 0;
 | 
						|
  }
 | 
						|
 | 
						|
  sys::Path RSHPath;
 | 
						|
  if (!RSHHost.empty())
 | 
						|
    RSHPath = FindExecutable("rsh", ProgramPath);
 | 
						|
 | 
						|
  Message = "Found gcc: " + GCCPath.toString() + "\n";
 | 
						|
  return new GCC(GCCPath, RSHPath);
 | 
						|
}
 |