mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 04:29:21 +00:00
Use the newly abstracted interface for running our tools and gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8756 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
44f8a34aab
commit
4148556a9c
@ -15,6 +15,7 @@ BUGPOINT NOTES:
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*/
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*/
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#include "BugDriver.h"
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#include "BugDriver.h"
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#include "Support/ToolRunner.h"
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#include "Support/CommandLine.h"
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#include "Support/CommandLine.h"
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#include "Support/Debug.h"
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#include "Support/Debug.h"
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#include "Support/FileUtilities.h"
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#include "Support/FileUtilities.h"
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@ -29,6 +30,7 @@ namespace {
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enum OutputType {
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enum OutputType {
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RunLLI, RunJIT, RunLLC, RunCBE
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RunLLI, RunJIT, RunLLC, RunCBE
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};
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};
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cl::opt<OutputType>
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cl::opt<OutputType>
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InterpreterSel(cl::desc("Specify how LLVM code should be executed:"),
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InterpreterSel(cl::desc("Specify how LLVM code should be executed:"),
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cl::values(clEnumValN(RunLLI, "run-lli", "Execute with LLI"),
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cl::values(clEnumValN(RunLLI, "run-lli", "Execute with LLI"),
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@ -40,8 +42,6 @@ namespace {
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cl::opt<std::string>
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cl::opt<std::string>
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InputFile("input", cl::init("/dev/null"),
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InputFile("input", cl::init("/dev/null"),
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cl::desc("Filename to pipe in as stdin (default: /dev/null)"));
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cl::desc("Filename to pipe in as stdin (default: /dev/null)"));
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enum FileType { AsmFile, CFile };
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}
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}
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// Anything specified after the --args option are taken as arguments to the
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// Anything specified after the --args option are taken as arguments to the
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@ -50,426 +50,6 @@ cl::list<std::string>
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InputArgv("args", cl::Positional, cl::desc("<program arguments>..."),
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InputArgv("args", cl::Positional, cl::desc("<program arguments>..."),
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cl::ZeroOrMore);
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cl::ZeroOrMore);
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/// AbstractInterpreter Class - Subclasses of this class are used to execute
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/// LLVM bytecode in a variety of ways. This abstract interface hides this
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/// complexity behind a simple interface.
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///
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struct AbstractInterpreter {
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virtual ~AbstractInterpreter() {}
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/// ExecuteProgram - Run the specified bytecode file, emitting output to the
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/// specified filename. This returns the exit code of the program.
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///
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virtual int ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib = "") = 0;
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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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class LLI : public AbstractInterpreter {
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std::string LLIPath; // The path to the LLI executable
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public:
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LLI(const std::string &Path) : LLIPath(Path) { }
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// LLI create method - Try to find the LLI executable
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static LLI *create(BugDriver *BD, std::string &Message) {
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std::string LLIPath = FindExecutable("lli", BD->getToolName());
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if (!LLIPath.empty()) {
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Message = "Found lli: " + LLIPath + "\n";
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return new LLI(LLIPath);
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}
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Message = "Cannot find `lli' in bugpoint executable directory or PATH!\n";
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return 0;
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}
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virtual int ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib = "");
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};
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int LLI::ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib) {
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if (!SharedLib.empty()) {
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std::cerr << "LLI currently does not support loading shared libraries.\n"
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<< "Exiting.\n";
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exit(1);
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}
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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("-abort-on-exception");
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LLIArgs.push_back("-quiet");
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LLIArgs.push_back("-force-interpreter=true");
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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 = InputArgv.size(); i != e; ++i)
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LLIArgs.push_back(InputArgv[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:\n\t";
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for (unsigned i=0, e = LLIArgs.size(); 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(LLIPath, &LLIArgs[0],
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InputFile, OutputFile, OutputFile);
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}
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//===----------------------------------------------------------------------===//
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// GCC abstraction
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//
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// This is not a *real* AbstractInterpreter as it does not accept bytecode
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// files, but only input acceptable to GCC, i.e. C, C++, and assembly files
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//
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class GCC {
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std::string GCCPath; // The path to the gcc executable
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public:
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GCC(const std::string &gccPath) : GCCPath(gccPath) { }
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virtual ~GCC() {}
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// GCC create method - Try to find the `gcc' executable
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static GCC *create(BugDriver *BD, std::string &Message) {
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std::string GCCPath = FindExecutable("gcc", BD->getToolName());
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if (GCCPath.empty()) {
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Message = "Cannot find `gcc' in bugpoint executable directory or PATH!\n";
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return 0;
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}
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Message = "Found gcc: " + GCCPath + "\n";
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return new GCC(GCCPath);
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}
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virtual int ExecuteProgram(const std::string &ProgramFile,
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FileType fileType,
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const std::string &OutputFile,
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const std::string &SharedLib = "");
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int MakeSharedObject(const std::string &InputFile,
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FileType fileType,
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std::string &OutputFile);
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void ProcessFailure(const char **Args);
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};
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int GCC::ExecuteProgram(const std::string &ProgramFile,
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FileType fileType,
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const std::string &OutputFile,
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const std::string &SharedLib) {
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std::string OutputBinary = getUniqueFilename("bugpoint.gcc.exe");
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std::vector<const char*> GCCArgs;
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GCCArgs.push_back(GCCPath.c_str());
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if (!SharedLib.empty()) // Specify the shared library to link in...
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GCCArgs.push_back(SharedLib.c_str());
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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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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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GCCArgs.push_back(0); // NULL terminator
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std::cout << "<gcc>" << std::flush;
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if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "/dev/null", "/dev/null",
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"/dev/null")) {
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ProcessFailure(&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 = InputArgv.size(); i != e; ++i)
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ProgramArgs.push_back(InputArgv[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:\n\t";
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for (unsigned i=0, e = ProgramArgs.size(); 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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int ProgramResult = RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
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InputFile, OutputFile, OutputFile);
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removeFile(OutputBinary);
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return ProgramResult;
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}
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int GCC::MakeSharedObject(const std::string &InputFile,
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FileType fileType,
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std::string &OutputFile) {
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OutputFile = getUniqueFilename("./bugpoint.so");
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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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#else
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"-shared", // `-shared' for Linux/X86, maybe others
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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, "/dev/null", "/dev/null",
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"/dev/null")) {
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ProcessFailure(GCCArgs);
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exit(1);
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}
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return 0;
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}
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void GCC::ProcessFailure(const char** GCCArgs) {
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std::cerr << "\n*** bugpoint error: invocation of the C compiler failed!\n";
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for (const char **Arg = GCCArgs; *Arg; ++Arg)
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std::cerr << " " << *Arg;
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std::cerr << "\n";
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// Rerun the compiler, capturing any error messages to print them.
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std::string ErrorFilename = getUniqueFilename("bugpoint.gcc.errors");
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RunProgramWithTimeout(GCCPath, GCCArgs, "/dev/null", ErrorFilename.c_str(),
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ErrorFilename.c_str());
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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>(std::cerr));
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ErrorFile.close();
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std::cerr << "\n";
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}
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removeFile(ErrorFilename);
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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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class LLC : public AbstractInterpreter {
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std::string LLCPath; // The path to the LLC executable
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GCC *gcc;
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public:
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LLC(const std::string &llcPath, GCC *Gcc)
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: LLCPath(llcPath), gcc(Gcc) { }
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~LLC() { delete gcc; }
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// LLC create method - Try to find the LLC executable
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static LLC *create(BugDriver *BD, std::string &Message) {
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std::string LLCPath = FindExecutable("llc", BD->getToolName());
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if (LLCPath.empty()) {
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Message = "Cannot find `llc' in bugpoint 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(BD, 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);
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}
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virtual int ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib = "");
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int OutputAsm(const std::string &Bytecode,
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std::string &OutputAsmFile);
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};
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int LLC::OutputAsm(const std::string &Bytecode,
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std::string &OutputAsmFile) {
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OutputAsmFile = "bugpoint.llc.s";
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const char *LLCArgs[] = {
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LLCPath.c_str(),
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"-o", OutputAsmFile.c_str(), // Output to the Asm file
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"-f", // Overwrite as necessary...
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Bytecode.c_str(), // This is the input bytecode
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0
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};
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std::cout << "<llc>" << std::flush;
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if (RunProgramWithTimeout(LLCPath, LLCArgs, "/dev/null", "/dev/null",
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"/dev/null")) {
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// If LLC failed on the bytecode, print error...
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std::cerr << "bugpoint error: `llc' failed!\n";
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removeFile(OutputAsmFile);
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return 1;
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}
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return 0;
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}
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int LLC::ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib) {
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std::string OutputAsmFile;
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if (OutputAsm(Bytecode, OutputAsmFile)) {
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std::cerr << "Could not generate asm code with `llc', exiting.\n";
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exit(1);
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}
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// Assuming LLC worked, compile the result with GCC and run it.
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int Result = gcc->ExecuteProgram(OutputAsmFile,AsmFile,OutputFile,SharedLib);
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removeFile(OutputAsmFile);
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return Result;
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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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class JIT : public AbstractInterpreter {
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std::string LLIPath; // The path to the LLI executable
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public:
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JIT(const std::string &Path) : LLIPath(Path) { }
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// JIT create method - Try to find the LLI executable
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static JIT *create(BugDriver *BD, std::string &Message) {
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std::string LLIPath = FindExecutable("lli", BD->getToolName());
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if (!LLIPath.empty()) {
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Message = "Found lli: " + LLIPath + "\n";
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return new JIT(LLIPath);
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}
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Message = "Cannot find `lli' in bugpoint executable directory or PATH!\n";
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return 0;
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}
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virtual int ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib = "");
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};
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int JIT::ExecuteProgram(const std::string &Bytecode,
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const std::string &OutputFile,
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const std::string &SharedLib) {
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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("-quiet");
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JITArgs.push_back("-force-interpreter=false");
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if (!SharedLib.empty()) {
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JITArgs.push_back("-load");
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JITArgs.push_back(SharedLib.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 = InputArgv.size(); i != e; ++i)
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JITArgs.push_back(InputArgv[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:\n\t";
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|
||||||
for (unsigned i=0, e = JITArgs.size(); i != e; ++i)
|
|
||||||
std::cerr << " " << JITArgs[i];
|
|
||||||
std::cerr << "\n";
|
|
||||||
);
|
|
||||||
DEBUG(std::cerr << "\nSending output to " << OutputFile << "\n");
|
|
||||||
return RunProgramWithTimeout(LLIPath, &JITArgs[0],
|
|
||||||
InputFile, OutputFile, OutputFile);
|
|
||||||
}
|
|
||||||
|
|
||||||
//===----------------------------------------------------------------------===//
|
|
||||||
// CBE Implementation of AbstractIntepreter interface
|
|
||||||
//
|
|
||||||
class CBE : public AbstractInterpreter {
|
|
||||||
std::string DISPath; // The path to the `llvm-dis' executable
|
|
||||||
GCC *gcc;
|
|
||||||
public:
|
|
||||||
CBE(const std::string &disPath, GCC *Gcc) : DISPath(disPath), gcc(Gcc) { }
|
|
||||||
~CBE() { delete gcc; }
|
|
||||||
|
|
||||||
// CBE create method - Try to find the 'dis' executable
|
|
||||||
static CBE *create(BugDriver *BD, std::string &Message) {
|
|
||||||
std::string DISPath = FindExecutable("llvm-dis", BD->getToolName());
|
|
||||||
if (DISPath.empty()) {
|
|
||||||
Message =
|
|
||||||
"Cannot find `llvm-dis' in bugpoint executable directory or PATH!\n";
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
Message = "Found llvm-dis: " + DISPath + "\n";
|
|
||||||
|
|
||||||
GCC *gcc = GCC::create(BD, Message);
|
|
||||||
if (!gcc) {
|
|
||||||
std::cerr << Message << "\n";
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
return new CBE(DISPath, gcc);
|
|
||||||
}
|
|
||||||
|
|
||||||
virtual int ExecuteProgram(const std::string &Bytecode,
|
|
||||||
const std::string &OutputFile,
|
|
||||||
const std::string &SharedLib = "");
|
|
||||||
|
|
||||||
// Sometimes we just want to go half-way and only generate the C file,
|
|
||||||
// not necessarily compile it with GCC and run the program
|
|
||||||
virtual int OutputC(const std::string &Bytecode,
|
|
||||||
std::string &OutputCFile);
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
int CBE::OutputC(const std::string &Bytecode,
|
|
||||||
std::string &OutputCFile) {
|
|
||||||
OutputCFile = "bugpoint.cbe.c";
|
|
||||||
const char *DisArgs[] = {
|
|
||||||
DISPath.c_str(),
|
|
||||||
"-o", OutputCFile.c_str(), // Output to the C file
|
|
||||||
"-c", // Output to C
|
|
||||||
"-f", // Overwrite as necessary...
|
|
||||||
Bytecode.c_str(), // This is the input bytecode
|
|
||||||
0
|
|
||||||
};
|
|
||||||
|
|
||||||
std::cout << "<cbe>" << std::flush;
|
|
||||||
if (RunProgramWithTimeout(DISPath, DisArgs, "/dev/null", "/dev/null",
|
|
||||||
"/dev/null")) {
|
|
||||||
// If dis failed on the bytecode, print error...
|
|
||||||
std::cerr << "bugpoint error: `llvm-dis -c' failed!\n";
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
int CBE::ExecuteProgram(const std::string &Bytecode,
|
|
||||||
const std::string &OutputFile,
|
|
||||||
const std::string &SharedLib) {
|
|
||||||
std::string OutputCFile;
|
|
||||||
if (OutputC(Bytecode, OutputCFile)) {
|
|
||||||
std::cerr << "Could not generate C code with `llvm-dis', exiting.\n";
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
int Result = gcc->ExecuteProgram(OutputCFile, CFile, OutputFile, SharedLib);
|
|
||||||
removeFile(OutputCFile);
|
|
||||||
|
|
||||||
return Result;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//===----------------------------------------------------------------------===//
|
//===----------------------------------------------------------------------===//
|
||||||
// BugDriver method implementation
|
// BugDriver method implementation
|
||||||
//
|
//
|
||||||
@ -483,25 +63,24 @@ bool BugDriver::initializeExecutionEnvironment() {
|
|||||||
// FIXME: This should default to searching for the best interpreter to use on
|
// FIXME: This should default to searching for the best interpreter to use on
|
||||||
// this platform, which would be JIT, then LLC, then CBE, then LLI.
|
// this platform, which would be JIT, then LLC, then CBE, then LLI.
|
||||||
|
|
||||||
// Create an instance of the AbstractInterpreter interface as specified on the
|
// Create an instance of the AbstractInterpreter interface as specified on
|
||||||
// command line
|
// the command line
|
||||||
std::string Message;
|
std::string Message;
|
||||||
switch (InterpreterSel) {
|
switch (InterpreterSel) {
|
||||||
case RunLLI: Interpreter = LLI::create(this, Message); break;
|
case RunLLI: Interpreter = createLLItool(getToolName(), Message); break;
|
||||||
case RunLLC: Interpreter = LLC::create(this, Message); break;
|
case RunLLC: Interpreter = createLLCtool(getToolName(), Message); break;
|
||||||
case RunJIT: Interpreter = JIT::create(this, Message); break;
|
case RunJIT: Interpreter = createJITtool(getToolName(), Message); break;
|
||||||
case RunCBE: Interpreter = CBE::create(this, Message); break;
|
case RunCBE: Interpreter = createCBEtool(getToolName(), Message); break;
|
||||||
default:
|
default:
|
||||||
Message = " Sorry, this back-end is not supported by bugpoint right now!\n";
|
Message = "Sorry, this back-end is not supported by bugpoint right now!\n";
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
std::cerr << Message;
|
||||||
std::cout << Message;
|
|
||||||
|
|
||||||
// Initialize auxiliary tools for debugging
|
// Initialize auxiliary tools for debugging
|
||||||
cbe = CBE::create(this, Message);
|
cbe = createCBEtool(getToolName(), Message);
|
||||||
if (!cbe) { std::cout << Message << "\nExiting.\n"; exit(1); }
|
if (!cbe) { std::cout << Message << "\nExiting.\n"; exit(1); }
|
||||||
gcc = GCC::create(this, Message);
|
gcc = createGCCtool(getToolName(), Message);
|
||||||
if (!gcc) { std::cout << Message << "\nExiting.\n"; exit(1); }
|
if (!gcc) { std::cout << Message << "\nExiting.\n"; exit(1); }
|
||||||
|
|
||||||
// If there was an error creating the selected interpreter, quit with error.
|
// If there was an error creating the selected interpreter, quit with error.
|
||||||
@ -517,7 +96,7 @@ std::string BugDriver::executeProgram(std::string OutputFile,
|
|||||||
std::string BytecodeFile,
|
std::string BytecodeFile,
|
||||||
std::string SharedObject,
|
std::string SharedObject,
|
||||||
AbstractInterpreter *AI) {
|
AbstractInterpreter *AI) {
|
||||||
assert((Interpreter || AI) &&"Interpreter should have been created already!");
|
assert((Interpreter||AI) && "Interpreter should have been created already!");
|
||||||
bool CreatedBytecode = false;
|
bool CreatedBytecode = false;
|
||||||
if (BytecodeFile.empty()) {
|
if (BytecodeFile.empty()) {
|
||||||
// Emit the program to a bytecode file...
|
// Emit the program to a bytecode file...
|
||||||
@ -538,8 +117,10 @@ std::string BugDriver::executeProgram(std::string OutputFile,
|
|||||||
|
|
||||||
// Actually execute the program!
|
// Actually execute the program!
|
||||||
int RetVal = (AI != 0) ?
|
int RetVal = (AI != 0) ?
|
||||||
AI->ExecuteProgram(BytecodeFile, OutputFile, SharedObject) :
|
AI->ExecuteProgram(BytecodeFile, InputArgv, InputFile, OutputFile,
|
||||||
Interpreter->ExecuteProgram(BytecodeFile, OutputFile, SharedObject);
|
SharedObject) :
|
||||||
|
Interpreter->ExecuteProgram(BytecodeFile, InputArgv,
|
||||||
|
InputFile, OutputFile, SharedObject);
|
||||||
|
|
||||||
// Remove the temporary bytecode file.
|
// Remove the temporary bytecode file.
|
||||||
if (CreatedBytecode) removeFile(BytecodeFile);
|
if (CreatedBytecode) removeFile(BytecodeFile);
|
||||||
@ -564,7 +145,7 @@ int BugDriver::compileSharedObject(const std::string &BytecodeFile,
|
|||||||
|
|
||||||
#if 0 /* This is an alternative, as yet unimplemented */
|
#if 0 /* This is an alternative, as yet unimplemented */
|
||||||
// Using LLC
|
// Using LLC
|
||||||
LLC *llc = LLC::create(this, Message);
|
LLC *llc = createLLCtool(Message);
|
||||||
if (llc->OutputAsm(BytecodeFile, OutputFile)) {
|
if (llc->OutputAsm(BytecodeFile, OutputFile)) {
|
||||||
std::cerr << "Could not generate asm code with `llc', exiting.\n";
|
std::cerr << "Could not generate asm code with `llc', exiting.\n";
|
||||||
exit(1);
|
exit(1);
|
||||||
|
Loading…
Reference in New Issue
Block a user