Ejemplo n.º 1
0
Archivo: linker.cpp Proyecto: torje/ldc
int linkExecutable(const char* argv0)
{
    Logger::println("*** Linking executable ***");

    // error string
    std::string errstr;

    // find the llvm-ld program
	llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld");
    if (ldpath.isEmpty())
    {
		ldpath.set("llvm-ld");
    }

    // build arguments
    std::vector<const char*> args;

    // first the program name ??
    args.push_back("llvm-ld");

    // output filename
    std::string exestr;
    if (global.params.exefile)
    {   // explicit
        exestr = global.params.exefile;
    }
    else
    {   // inferred
        // try root module name
        if (Module::rootModule)
            exestr = Module::rootModule->toChars();
        else
            exestr = "a.out";
    }
    if (global.params.os == OSWindows && !(exestr.substr(exestr.length()-4) == ".exe"))
        exestr.append(".exe");

    std::string outopt = "-o=" + exestr;
    args.push_back(outopt.c_str());

    // set the global gExePath
    gExePath.set(exestr);
    assert(gExePath.isValid());

    // create path to exe
    llvm::sys::Path exedir(llvm::sys::path::parent_path(gExePath.str()));
    if (!llvm::sys::fs::exists(exedir.str()))
    {
        exedir.createDirectoryOnDisk(true, &errstr);
        if (!errstr.empty())
        {
            error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
            fatal();
        }
    }

    // strip debug info
    if (!global.params.symdebug)
        args.push_back("-strip-debug");

    // optimization level
    if (!optimize())
        args.push_back("-disable-opt");
    else
    {
        switch(optLevel())
        {
        case 0:
            args.push_back("-disable-opt");
            break;
        case 1:
            args.push_back("-globaldce");
            args.push_back("-disable-opt");
            args.push_back("-globaldce");
            args.push_back("-mem2reg");
        case 2:
        case 3:
        case 4:
        case 5:
            // use default optimization
            break;
        default:
            assert(0);
        }
    }

    // inlining
    if (!(global.params.useInline || doInline()))
    {
        args.push_back("-disable-inlining");
    }

    // additional linker switches
    for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
    {
        char *p = (char *)global.params.linkswitches->data[i];
        args.push_back(p);
    }

    // native please
    args.push_back("-native");


    // user libs
    for (unsigned i = 0; i < global.params.libfiles->dim; i++)
    {
        char *p = (char *)global.params.libfiles->data[i];
        args.push_back(p);
    }

    // default libs
    switch(global.params.os) {
    case OSLinux:
    case OSMacOSX:
        args.push_back("-ldl");
    case OSFreeBSD:
        args.push_back("-lpthread");
        args.push_back("-lm");
        break;
    case OSHaiku:
        args.push_back("-lroot");
        break;
    case OSWindows:
        // FIXME: I'd assume kernel32 etc
        break;
    }

    // object files
    for (unsigned i = 0; i < global.params.objfiles->dim; i++)
    {
        char *p = (char *)global.params.objfiles->data[i];
        args.push_back(p);
    }

    // print link command?
    if (!quiet || global.params.verbose)
    {
        // Print it
        for (int i = 0; i < args.size(); i++)
            printf("%s ", args[i]);
        printf("\n");
        fflush(stdout);
    }

    // terminate args list
    args.push_back(NULL);

    // try to call linker!!!
    if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr))
    {
        error("linking failed:\nstatus: %d", status);
        if (!errstr.empty())
            error("message: %s", errstr.c_str());
        return status;
    }

    return 0;
}
Ejemplo n.º 2
0
Archivo: linker.cpp Proyecto: torje/ldc
int linkObjToBinary(bool sharedLib)
{
    Logger::println("*** Linking executable ***");

    // error string
    std::string errstr;

    // find gcc for linking
    llvm::sys::Path gcc = getGcc();
    // get a string version for argv[0]
    const char* gccStr = gcc.c_str();

    // build arguments
    std::vector<const char*> args;

    // first the program name ??
    args.push_back(gccStr);

    // object files
    for (unsigned i = 0; i < global.params.objfiles->dim; i++)
    {
        char *p = (char *)global.params.objfiles->data[i];
        args.push_back(p);
    }

    // output filename
    std::string output;
    if (!sharedLib && global.params.exefile)
    {   // explicit
        output = global.params.exefile;
    }
    else if (sharedLib && global.params.objname)
    {   // explicit
        output = global.params.objname;
    }
    else
    {   // inferred
        // try root module name
        if (Module::rootModule)
            output = Module::rootModule->toChars();
        else if (global.params.objfiles->dim)
            output = FileName::removeExt((char*)global.params.objfiles->data[0]);
        else
            output = "a.out";

        if (sharedLib) {
            std::string libExt = std::string(".") + global.dll_ext;
            if (!endsWith(output, libExt))
            {
                if (global.params.os != OSWindows)
                    output = "lib" + output + libExt;
                else
                    output.append(libExt);
            }
            args.push_back("-shared");
        } else if (global.params.os == OSWindows && !endsWith(output, ".exe")) {
            output.append(".exe");
        }
    }

    args.push_back("-o");
    args.push_back(output.c_str());

    // set the global gExePath
    gExePath.set(output);
    assert(gExePath.isValid());

    // create path to exe
    llvm::sys::Path exedir(llvm::sys::path::parent_path(gExePath.str()));
    if (!exedir.empty() && !llvm::sys::fs::exists(exedir.str()))
    {
        exedir.createDirectoryOnDisk(true, &errstr);
        if (!errstr.empty())
        {
            error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
            fatal();
        }
    }

    // additional linker switches
    for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
    {
        char *p = (char *)global.params.linkswitches->data[i];
        args.push_back("-Xlinker");
        args.push_back(p);
    }

    // user libs
    for (unsigned i = 0; i < global.params.libfiles->dim; i++)
    {
        char *p = (char *)global.params.libfiles->data[i];
        args.push_back(p);
    }

    // default libs
    bool addSoname = false;
    switch(global.params.os) {
    case OSLinux:
        addSoname = true;
        args.push_back("-lrt");
        // fallthrough
    case OSMacOSX:
        args.push_back("-ldl");
        // fallthrough
    case OSFreeBSD:
        addSoname = true;
        args.push_back("-lpthread");
        args.push_back("-lm");
        break;

    case OSSolaris:
        args.push_back("-lm");
        args.push_back("-lumem");
        // solaris TODO
        break;

    case OSWindows:
        // FIXME: I'd assume kernel32 etc
        break;
    }

    //FIXME: enforce 64 bit
    if (global.params.is64bit)
        args.push_back("-m64");
    else
        // Assume 32-bit?
        args.push_back("-m32");

    OutBuffer buf;
    if (opts::createSharedLib && addSoname) {
        std::string soname = opts::soname.getNumOccurrences() == 0 ? output : opts::soname;
        if (!soname.empty()) {
            buf.writestring("-Wl,-soname,");
            buf.writestring(soname.c_str());
            args.push_back(buf.toChars());
        }
    }

    // print link command?
    if (!quiet || global.params.verbose)
    {
        // Print it
        for (int i = 0; i < args.size(); i++)
            printf("%s ", args[i]);
        printf("\n");
        fflush(stdout);
    }

    Logger::println("Linking with: ");
    std::vector<const char*>::const_iterator I = args.begin(), E = args.end();
    Stream logstr = Logger::cout();
    for (; I != E; ++I)
        if (*I)
            logstr << "'" << *I << "'" << " ";
    logstr << "\n"; // FIXME where's flush ?


    // terminate args list
    args.push_back(NULL);

    // try to call linker
    if (int status = llvm::sys::Program::ExecuteAndWait(gcc, &args[0], NULL, NULL, 0,0, &errstr))
    {
        error("linking failed:\nstatus: %d", status);
        if (!errstr.empty())
            error("message: %s", errstr.c_str());
        return status;
    }

    return 0;
}
Ejemplo n.º 3
0
Archivo: linker.cpp Proyecto: roysc/ldc
int linkObjToBinaryGcc(bool sharedLib)
{
    Logger::println("*** Linking executable ***");

    // find gcc for linking
    llvm::sys::Path gcc = getGcc();

    // build arguments
    std::vector<std::string> args;

    // object files
    for (unsigned i = 0; i < global.params.objfiles->dim; i++)
    {
        char *p = static_cast<char *>(global.params.objfiles->data[i]);
        args.push_back(p);
    }

    // user libs
    for (unsigned i = 0; i < global.params.libfiles->dim; i++)
    {
        char *p = static_cast<char *>(global.params.libfiles->data[i]);
        args.push_back(p);
    }

    // output filename
    std::string output;
    if (!sharedLib && global.params.exefile)
    {   // explicit
        output = global.params.exefile;
    }
    else if (sharedLib && global.params.objname)
    {   // explicit
        output = global.params.objname;
    }
    else
    {   // inferred
        // try root module name
        if (Module::rootModule)
            output = Module::rootModule->toChars();
        else if (global.params.objfiles->dim)
            output = FileName::removeExt(static_cast<char*>(global.params.objfiles->data[0]));
        else
            output = "a.out";

        if (sharedLib) {
            std::string libExt = std::string(".") + global.dll_ext;
            if (!endsWith(output, libExt))
            {
                if (global.params.os != OSWindows)
                    output = "lib" + output + libExt;
                else
                    output.append(libExt);
            }
        } else if (global.params.os == OSWindows && !endsWith(output, ".exe")) {
            output.append(".exe");
        }
    }

    if (sharedLib)
        args.push_back("-shared");

    args.push_back("-o");
    args.push_back(output);

    // set the global gExePath
    gExePath.set(output);
    assert(gExePath.isValid());

    // create path to exe
    CreateDirectoryOnDisk(gExePath.str());

    // additional linker switches
    for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
    {
        char *p = static_cast<char *>(global.params.linkswitches->data[i]);
        args.push_back("-Xlinker");
        args.push_back(p);
    }

    // default libs
    bool addSoname = false;
    switch(global.params.os) {
    case OSLinux:
        addSoname = true;
        args.push_back("-lrt");
    // fallthrough
    case OSMacOSX:
        args.push_back("-ldl");
    // fallthrough
    case OSFreeBSD:
        addSoname = true;
        args.push_back("-lpthread");
        args.push_back("-lm");
        break;

    case OSSolaris:
        args.push_back("-lm");
        args.push_back("-lumem");
        // solaris TODO
        break;

    case OSWindows:
        // FIXME: I'd assume kernel32 etc
        break;
    }

    //FIXME: enforce 64 bit
    if (global.params.is64bit)
        args.push_back("-m64");
    else
        // Assume 32-bit?
        args.push_back("-m32");

    if (opts::createSharedLib && addSoname) {
        std::string soname = opts::soname;
        if (!soname.empty()) {
            args.push_back("-Wl,-soname," + soname);
        }
    }

    Logger::println("Linking with: ");
    std::vector<std::string>::const_iterator I = args.begin(), E = args.end();
    Stream logstr = Logger::cout();
    for (; I != E; ++I)
        if (!(*I).empty())
            logstr << "'" << *I << "'" << " ";
    logstr << "\n"; // FIXME where's flush ?

    // try to call linker
    return ExecuteToolAndWait(gcc, args, !quiet || global.params.verbose);
}
Ejemplo n.º 4
0
Archivo: linker.cpp Proyecto: roysc/ldc
int linkObjToBinaryWin(bool sharedLib)
{
    Logger::println("*** Linking executable ***");

    // find link.exe for linking
    llvm::sys::Path tool = getLink();

    // build arguments
    std::vector<std::string> args;

    // be verbose if requested
    if (!global.params.verbose)
        args.push_back("/NOLOGO");

    // specify that the image will contain a table of safe exception handlers (32bit only)
    if (!global.params.is64bit)
        args.push_back("/SAFESEH");

    // mark executable to be compatible with Windows Data Execution Prevention feature
    args.push_back("/NXCOMPAT");

    // use address space layout randomization (ASLR) feature
    args.push_back("/DYNAMICBASE");

    // because of a LLVM bug
    args.push_back("/LARGEADDRESSAWARE:NO");

    // specify creation of DLL
    if (sharedLib)
        args.push_back("/DLL");

    // output filename
    std::string output;
    if (!sharedLib && global.params.exefile)
    {   // explicit
        output = global.params.exefile;
    }
    else if (sharedLib && global.params.objname)
    {   // explicit
        output = global.params.objname;
    }
    else
    {   // inferred
        // try root module name
        if (Module::rootModule)
            output = Module::rootModule->toChars();
        else if (global.params.objfiles->dim)
            output = FileName::removeExt(static_cast<char*>(global.params.objfiles->data[0]));
        else
            output = "a.out";

        if (sharedLib) {
            std::string libExt = std::string(".") + global.dll_ext;
            if (!endsWith(output, libExt))
            {
                if (global.params.os != OSWindows)
                    output = "lib" + output + libExt;
                else
                    output.append(libExt);
            }
        } else if (global.params.os == OSWindows && !endsWith(output, ".exe")) {
            output.append(".exe");
        }
    }
    args.push_back("/OUT:" + output);

    // object files
    for (unsigned i = 0; i < global.params.objfiles->dim; i++)
    {
        char *p = static_cast<char *>(global.params.objfiles->data[i]);
        args.push_back(p);
    }

    // user libs
    for (unsigned i = 0; i < global.params.libfiles->dim; i++)
    {
        char *p = static_cast<char *>(global.params.libfiles->data[i]);
        args.push_back(p);
    }

    // set the global gExePath
    gExePath.set(output);
    assert(gExePath.isValid());

    // create path to exe
    CreateDirectoryOnDisk(gExePath.str());

    // additional linker switches
    for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
    {
        static const std::string LIBPATH("-L");
        static const std::string LIB("-l");
        std::string str(static_cast<char *>(global.params.linkswitches->data[i]));
        if (str.length() > 2)
        {
            if (std::equal(LIBPATH.begin(), LIBPATH.end(), str.begin()))
                str = "/LIBPATH:" + str.substr(2);
            else if (std::equal(LIB.begin(), LIB.end(), str.begin()))
            {
                str = str.substr(2) + ".lib";
            }
        }
        args.push_back(str);
    }

    // default libs
    // TODO check which libaries are necessary
    args.push_back("kernel32.lib");
    args.push_back("user32.lib");
    args.push_back("gdi32.lib");
    args.push_back("winspool.lib");
    args.push_back("shell32.lib"); // required for dmain2.d
    args.push_back("ole32.lib");
    args.push_back("oleaut32.lib");
    args.push_back("uuid.lib");
    args.push_back("comdlg32.lib");
    args.push_back("advapi32.lib");

    Logger::println("Linking with: ");
    std::vector<std::string>::const_iterator I = args.begin(), E = args.end();
    Stream logstr = Logger::cout();
    for (; I != E; ++I)
        if (!(*I).empty())
            logstr << "'" << *I << "'" << " ";
    logstr << "\n"; // FIXME where's flush ?

    // try to call linker
    return ExecuteToolAndWait(tool, args, !quiet || global.params.verbose);
}
Ejemplo n.º 5
0
int linkObjToExecutable(const char* argv0)
{
    Logger::println("*** Linking executable ***");

    // error string
    std::string errstr;

    // find gcc for linking
    llvm::sys::Path gcc = getGcc();
    // get a string version for argv[0]
    const char* gccStr = gcc.c_str();

    // build arguments
    std::vector<const char*> args;

    // first the program name ??
    args.push_back(gccStr);

    // object files
    for (int i = 0; i < global.params.objfiles->dim; i++)
    {
        char *p = (char *)global.params.objfiles->data[i];
        args.push_back(p);
    }

    // output filename
    std::string exestr;
    if (global.params.exefile)
    {   // explicit
        exestr = global.params.exefile;
    }
    else
    {   // inferred
        // try root module name
        if (Module::rootModule)
            exestr = Module::rootModule->toChars();
        else if (global.params.objfiles->dim)
            exestr = FileName::removeExt((char*)global.params.objfiles->data[0]);
        else
            exestr = "a.out";
    }
    if (global.params.os == OSWindows && !(exestr.rfind(".exe") == exestr.length()-4))
        exestr.append(".exe");

    args.push_back("-o");
    args.push_back(exestr.c_str());

    // set the global gExePath
    gExePath.set(exestr);
    assert(gExePath.isValid());

    // create path to exe
    llvm::sys::Path exedir(gExePath);
    exedir.set(gExePath.getDirname());
    if (!exedir.exists())
    {
        exedir.createDirectoryOnDisk(true, &errstr);
        if (!errstr.empty())
        {
            error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
            fatal();
        }
    }

    // additional linker switches
    for (int i = 0; i < global.params.linkswitches->dim; i++)
    {
        char *p = (char *)global.params.linkswitches->data[i];
        args.push_back(p);
    }

    // user libs
    for (int i = 0; i < global.params.libfiles->dim; i++)
    {
        char *p = (char *)global.params.libfiles->data[i];
        args.push_back(p);
    }

    // default libs
    switch(global.params.os) {
    case OSLinux:
        args.push_back("-lrt");
        // fallthrough
    case OSMacOSX:
        args.push_back("-ldl");
        // fallthrough
    case OSFreeBSD:
        args.push_back("-lpthread");
        args.push_back("-lm");
        break;

    case OSSolaris:
        args.push_back("-lm");
        args.push_back("-lumem");
        // solaris TODO
        break;

    case OSWindows:
        // FIXME: I'd assume kernel32 etc
        break;
    }

    //FIXME: enforce 64 bit
    if (global.params.is64bit)
        args.push_back("-m64");
    else
        // Assume 32-bit?
        args.push_back("-m32");

    // print link command?
    if (!quiet || global.params.verbose)
    {
        // Print it
        for (int i = 0; i < args.size(); i++)
            printf("%s ", args[i]);
        printf("\n");
        fflush(stdout);
    }

    Logger::println("Linking with: ");
    std::vector<const char*>::const_iterator I = args.begin(), E = args.end();
    Stream logstr = Logger::cout();
    for (; I != E; ++I)
        if (*I)
            logstr << "'" << *I << "'" << " ";
    logstr << "\n"; // FIXME where's flush ?


    // terminate args list
    args.push_back(NULL);

    // try to call linker
    if (int status = llvm::sys::Program::ExecuteAndWait(gcc, &args[0], NULL, NULL, 0,0, &errstr))
    {
        error("linking failed:\nstatus: %d", status);
        if (!errstr.empty())
            error("message: %s", errstr.c_str());
        return status;
    }

    return 0;
}