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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21422 91177308-0d34-0410-b5e6-96231b3b80d8
483 lines
18 KiB
C++
483 lines
18 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 was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source 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 "llvm/Support/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/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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using namespace llvm;
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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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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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return
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sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects, NumSeconds);
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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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ErrorFilename.makeUnique();
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RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
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ErrorFilename);
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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.destroyFile();
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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 &Bytecode,
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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> &SharedLibs =
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std::vector<std::string>(),
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unsigned Timeout = 0);
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};
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}
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int LLI::ExecuteProgram(const std::string &Bytecode,
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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> &SharedLibs,
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unsigned Timeout) {
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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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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(Bytecode.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);
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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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// LLC Implementation of AbstractIntepreter interface
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//
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void LLC::OutputAsm(const std::string &Bytecode, sys::Path &OutputAsmFile) {
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sys::Path uniqueFile(Bytecode+".llc.s");
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uniqueFile.makeUnique();
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OutputAsmFile = uniqueFile;
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std::vector<const char *> LLCArgs;
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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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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 (Bytecode.c_str()); // This is the input bytecode
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LLCArgs.push_back (0);
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std::cout << "<llc>" << std::flush;
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DEBUG(std::cerr << "\nAbout to run:\t";
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for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
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std::cerr << " " << LLCArgs[i];
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std::cerr << "\n";
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);
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if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0],
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sys::Path(), sys::Path(), sys::Path()))
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ProcessFailure(sys::Path(LLCPath), &LLCArgs[0]);
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}
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void LLC::compileProgram(const std::string &Bytecode) {
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sys::Path OutputAsmFile;
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OutputAsm(Bytecode, OutputAsmFile);
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OutputAsmFile.destroyFile();
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}
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int LLC::ExecuteProgram(const std::string &Bytecode,
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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> &SharedLibs,
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unsigned Timeout) {
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sys::Path OutputAsmFile;
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OutputAsm(Bytecode, OutputAsmFile);
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FileRemover OutFileRemover(OutputAsmFile);
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// Assuming LLC worked, compile the result with GCC and run it.
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return gcc->ExecuteProgram(OutputAsmFile.toString(), Args, GCC::AsmFile,
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InputFile, OutputFile, SharedLibs, Timeout);
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}
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/// createLLC - Try to find the LLC executable
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///
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LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath,
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std::string &Message,
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const std::vector<std::string> *Args) {
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std::string LLCPath = FindExecutable("llc", ProgramPath).toString();
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if (LLCPath.empty()) {
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Message = "Cannot find `llc' in executable directory or PATH!\n";
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return 0;
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}
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Message = "Found llc: " + LLCPath + "\n";
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GCC *gcc = GCC::create(ProgramPath, Message);
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if (!gcc) {
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std::cerr << Message << "\n";
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exit(1);
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}
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return new LLC(LLCPath, gcc, Args);
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}
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//===---------------------------------------------------------------------===//
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// JIT Implementation of AbstractIntepreter interface
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//
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namespace {
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class JIT : 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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JIT(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 &Bytecode,
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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> &SharedLibs =
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std::vector<std::string>(), unsigned Timeout =0);
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};
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}
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int JIT::ExecuteProgram(const std::string &Bytecode,
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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> &SharedLibs,
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unsigned Timeout) {
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// Construct a vector of parameters, incorporating those from the command-line
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std::vector<const char*> JITArgs;
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JITArgs.push_back(LLIPath.c_str());
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JITArgs.push_back("-force-interpreter=false");
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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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JITArgs.push_back(ToolArgs[i].c_str());
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for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
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JITArgs.push_back("-load");
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JITArgs.push_back(SharedLibs[i].c_str());
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}
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JITArgs.push_back(Bytecode.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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JITArgs.push_back(Args[i].c_str());
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JITArgs.push_back(0);
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std::cout << "<jit>" << std::flush;
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DEBUG(std::cerr << "\nAbout to run:\t";
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for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
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std::cerr << " " << JITArgs[i];
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std::cerr << "\n";
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);
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DEBUG(std::cerr << "\nSending output to " << OutputFile << "\n");
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return RunProgramWithTimeout(sys::Path(LLIPath), &JITArgs[0],
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sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
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Timeout);
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}
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/// createJIT - Try to find the LLI executable
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///
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AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath,
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std::string &Message, const std::vector<std::string> *Args) {
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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 JIT(LLIPath, Args);
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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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void CBE::OutputC(const std::string &Bytecode, sys::Path& OutputCFile) {
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sys::Path uniqueFile(Bytecode+".cbe.c");
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uniqueFile.makeUnique();
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OutputCFile = uniqueFile;
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std::vector<const char *> LLCArgs;
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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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LLCArgs.push_back ("-o");
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LLCArgs.push_back (OutputCFile.c_str()); // Output to the C file
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LLCArgs.push_back ("-march=c"); // Output C language
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LLCArgs.push_back ("-f"); // Overwrite as necessary...
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LLCArgs.push_back (Bytecode.c_str()); // This is the input bytecode
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LLCArgs.push_back (0);
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std::cout << "<cbe>" << std::flush;
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DEBUG(std::cerr << "\nAbout to run:\t";
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for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
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std::cerr << " " << LLCArgs[i];
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std::cerr << "\n";
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);
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if (RunProgramWithTimeout(LLCPath, &LLCArgs[0], sys::Path(), sys::Path(),
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sys::Path()))
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ProcessFailure(LLCPath, &LLCArgs[0]);
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}
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void CBE::compileProgram(const std::string &Bytecode) {
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sys::Path OutputCFile;
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OutputC(Bytecode, OutputCFile);
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OutputCFile.destroyFile();
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}
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int CBE::ExecuteProgram(const std::string &Bytecode,
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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> &SharedLibs,
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unsigned Timeout) {
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sys::Path OutputCFile;
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OutputC(Bytecode, OutputCFile);
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FileRemover CFileRemove(OutputCFile);
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return gcc->ExecuteProgram(OutputCFile.toString(), Args, GCC::CFile,
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InputFile, OutputFile, SharedLibs, Timeout);
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}
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/// createCBE - Try to find the 'llc' executable
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///
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CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath,
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std::string &Message,
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const std::vector<std::string> *Args) {
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sys::Path LLCPath = FindExecutable("llc", ProgramPath);
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if (LLCPath.isEmpty()) {
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Message =
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"Cannot find `llc' in executable directory or PATH!\n";
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return 0;
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}
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Message = "Found llc: " + LLCPath.toString() + "\n";
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GCC *gcc = GCC::create(ProgramPath, Message);
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if (!gcc) {
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std::cerr << Message << "\n";
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exit(1);
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}
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return new CBE(LLCPath, gcc, Args);
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}
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//===---------------------------------------------------------------------===//
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// GCC abstraction
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//
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int GCC::ExecuteProgram(const std::string &ProgramFile,
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const std::vector<std::string> &Args,
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FileType fileType,
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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> &SharedLibs,
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unsigned Timeout) {
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std::vector<const char*> GCCArgs;
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GCCArgs.push_back(GCCPath.c_str());
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// Specify the shared libraries to link in...
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for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i)
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GCCArgs.push_back(SharedLibs[i].c_str());
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// Specify -x explicitly in case the extension is wonky
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GCCArgs.push_back("-x");
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if (fileType == CFile) {
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GCCArgs.push_back("c");
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GCCArgs.push_back("-fno-strict-aliasing");
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} else {
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GCCArgs.push_back("assembler");
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}
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GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename...
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GCCArgs.push_back("-o");
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sys::Path OutputBinary (ProgramFile+".gcc.exe");
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OutputBinary.makeUnique();
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GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
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GCCArgs.push_back("-lm"); // Hard-code the math library...
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GCCArgs.push_back("-O2"); // Optimize the program a bit...
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#if defined (HAVE_LINK_R)
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GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files
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#endif
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GCCArgs.push_back(0); // NULL terminator
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std::cout << "<gcc>" << std::flush;
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if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
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sys::Path())) {
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ProcessFailure(GCCPath, &GCCArgs[0]);
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exit(1);
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}
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std::vector<const char*> ProgramArgs;
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ProgramArgs.push_back(OutputBinary.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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ProgramArgs.push_back(Args[i].c_str());
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ProgramArgs.push_back(0); // NULL terminator
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// Now that we have a binary, run it!
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std::cout << "<program>" << std::flush;
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DEBUG(std::cerr << "\nAbout to run:\t";
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for (unsigned i=0, e = ProgramArgs.size()-1; i != e; ++i)
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std::cerr << " " << ProgramArgs[i];
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std::cerr << "\n";
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);
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FileRemover OutputBinaryRemover(OutputBinary);
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return RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
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sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
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Timeout);
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}
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int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
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std::string &OutputFile) {
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sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT);
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uniqueFilename.makeUnique();
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OutputFile = uniqueFilename.toString();
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// Compile the C/asm file into a shared object
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const char* GCCArgs[] = {
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GCCPath.c_str(),
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"-x", (fileType == AsmFile) ? "assembler" : "c",
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"-fno-strict-aliasing",
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InputFile.c_str(), // Specify the input filename...
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#if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
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"-G", // Compile a shared library, `-G' for Sparc
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#elif (defined(__POWERPC__) || defined(__ppc__)) && defined(__APPLE__)
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"-single_module", // link all source files into a single module
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"-dynamiclib", // `-dynamiclib' for MacOS X/PowerPC
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"-undefined", // in data segment, rather than generating
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"dynamic_lookup", // blocks. dynamic_lookup requires that you set
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// MACOSX_DEPLOYMENT_TARGET=10.3 in your env.
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#else
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"-shared", // `-shared' for Linux/X86, maybe others
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#endif
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#if defined(__ia64__) || defined(__alpha__)
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"-fPIC", // IA64 requires shared objs to contain PIC
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#endif
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"-o", OutputFile.c_str(), // Output to the right filename...
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"-O2", // Optimize the program a bit...
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0
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};
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std::cout << "<gcc>" << std::flush;
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if (RunProgramWithTimeout(GCCPath, GCCArgs, sys::Path(), sys::Path(),
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sys::Path())) {
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ProcessFailure(GCCPath, GCCArgs);
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return 1;
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}
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return 0;
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}
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/// create - Try to find the `gcc' executable
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///
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GCC *GCC::create(const std::string &ProgramPath, std::string &Message) {
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sys::Path GCCPath = FindExecutable("gcc", ProgramPath);
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if (GCCPath.isEmpty()) {
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Message = "Cannot find `gcc' in executable directory or PATH!\n";
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return 0;
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}
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Message = "Found gcc: " + GCCPath.toString() + "\n";
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return new GCC(GCCPath);
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}
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