static int linkObjToBinaryWin(bool sharedLib)
{
Logger::println("*** Linking executable ***");
// find link.exe for linking
std::string tool(getLink());
// build arguments
std::vector<std::string> args;
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
// most of the bug is fixed in LLVM 3.4
#if LDC_LLVM_VER < 304
if (global.params.symdebug)
args.push_back("/LARGEADDRESSAWARE:NO");
else
#endif
args.push_back("/LARGEADDRESSAWARE");
// output debug information
if (global.params.symdebug)
{
args.push_back("/DEBUG");
}
// remove dead code and fold identical COMDATs
if (opts::disableLinkerStripDead)
args.push_back("/OPT:NOREF");
else
{
args.push_back("/OPT:REF");
args.push_back("/OPT:ICF");
}
// specify creation of DLL
if (sharedLib)
args.push_back("/DLL");
// output filename
std::string output = getOutputName(sharedLib);
args.push_back("/OUT:" + output);
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++)
{
const char *p = static_cast<const char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// user libs
for (unsigned i = 0; i < global.params.libfiles->dim; i++)
{
const char *p = static_cast<const char *>(global.params.libfiles->data[i]);
args.push_back(p);
}
// set the global gExePath
gExePath = output;
//assert(gExePath.isValid());
// create path to exe
CreateDirectoryOnDisk(gExePath);
// additional linker switches
for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
{
std::string str(static_cast<const char *>(global.params.linkswitches->data[i]));
if (str.length() > 2)
{
// rewrite common -L and -l switches
if (str[0] == '-' && str[1] == 'L')
str = "/LIBPATH:" + str.substr(2);
else if (str[0] == '-' && str[1] == 'l')
{
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, global.params.verbose);
}
void createStaticLibrary()
{
Logger::println("*** Creating static library ***");
#if LDC_LLVM_VER >= 305
const bool isTargetWindows = global.params.targetTriple.isWindowsMSVCEnvironment();
#else
const bool isTargetWindows = global.params.targetTriple.getOS() == llvm::Triple::Win32;
#endif
// find archiver
std::string tool(isTargetWindows ? getLib() : getArchiver());
// build arguments
std::vector<std::string> args;
// ask ar to create a new library
if (!isTargetWindows)
args.push_back("rcs");
// ask lib to be quiet
if (isTargetWindows)
args.push_back("/NOLOGO");
// output filename
std::string libName;
if (global.params.objname)
{ // explicit
libName = global.params.objname;
}
else
{ // inferred
// try root module name
if (Module::rootModule)
libName = Module::rootModule->toChars();
else if (global.params.objfiles->dim)
libName = FileName::removeExt(static_cast<const char*>(global.params.objfiles->data[0]));
else
libName = "a.out";
}
// KN: The following lines were added to fix a test case failure (runnable/test13774.sh).
// Root cause is that dmd handles it in this why.
// As a side effect this change broke compiling with dub.
// if (!FileName::absolute(libName.c_str()))
// libName = FileName::combine(global.params.objdir, libName.c_str());
std::string libExt = std::string(".") + global.lib_ext;
if (!endsWith(libName, libExt))
libName.append(libExt);
if (isTargetWindows)
args.push_back("/OUT:" + libName);
else
args.push_back(libName);
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++)
{
const char *p = static_cast<const char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// create path to the library
CreateDirectoryOnDisk(libName);
// try to call archiver
executeToolAndWait(tool, args, global.params.verbose);
}
void createStaticLibrary()
{
Logger::println("*** Creating static library ***");
#if LDC_LLVM_VER >= 305
const bool isTargetWindows = global.params.targetTriple.isWindowsMSVCEnvironment();
#else
const bool isTargetWindows = global.params.targetTriple.getOS() == llvm::Triple::Win32;
#endif
// find archiver
std::string tool(isTargetWindows ? getLib() : getArchiver());
// build arguments
std::vector<std::string> args;
// ask ar to create a new library
if (!isTargetWindows)
args.push_back("rcs");
// ask lib to be quiet
if (isTargetWindows)
args.push_back("/NOLOGO");
// output filename
std::string libName;
if (global.params.objname)
{ // explicit
libName = global.params.objname;
}
else
{ // inferred
// try root module name
if (Module::rootModule)
libName = Module::rootModule->toChars();
else if (global.params.objfiles->dim)
libName = FileName::removeExt(static_cast<const char*>(global.params.objfiles->data[0]));
else
libName = "a.out";
}
std::string libExt = std::string(".") + global.lib_ext;
if (!endsWith(libName, libExt))
{
if (!isTargetWindows)
{
libName = llvm::sys::path::parent_path(libName).str()
+ "/lib"
+ llvm::sys::path::filename(libName).str()
+ libExt;
}
else
libName.append(libExt);
}
if (isTargetWindows)
args.push_back("/OUT:" + libName);
else
args.push_back(libName);
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++)
{
const char *p = static_cast<const char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// create path to the library
CreateDirectoryOnDisk(libName);
// try to call archiver
executeToolAndWait(tool, args, global.params.verbose);
}
static int linkObjToBinaryGcc(bool sharedLib)
{
Logger::println("*** Linking executable ***");
// find gcc for linking
std::string gcc(getGcc());
// build arguments
std::vector<std::string> args;
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++)
{
const char *p = static_cast<const char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// user libs
for (unsigned i = 0; i < global.params.libfiles->dim; i++)
{
const char *p = static_cast<const char *>(global.params.libfiles->data[i]);
args.push_back(p);
}
// output filename
std::string output = getOutputName(sharedLib);
if (sharedLib)
args.push_back("-shared");
args.push_back("-o");
args.push_back(output);
// set the global gExePath
gExePath = output;
//assert(gExePath.isValid());
// create path to exe
CreateDirectoryOnDisk(gExePath);
#if LDC_LLVM_VER >= 303
// Pass sanitizer arguments to linker. Requires clang.
if (opts::sanitize == opts::AddressSanitizer) {
args.push_back("-fsanitize=address");
}
if (opts::sanitize == opts::MemorySanitizer) {
args.push_back("-fsanitize=memory");
}
if (opts::sanitize == opts::ThreadSanitizer) {
args.push_back("-fsanitize=thread");
}
#endif
// additional linker switches
for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
{
const char *p = static_cast<const char *>(global.params.linkswitches->data[i]);
// Don't push -l and -L switches using -Xlinker, but pass them indirectly
// via GCC. This makes sure user-defined paths take precedence over
// GCC's builtin LIBRARY_PATHs.
if (!p[0] || !(p[0] == '-' && (p[1] == 'l' || p[1] == 'L')))
args.push_back("-Xlinker");
args.push_back(p);
}
// default libs
bool addSoname = false;
switch (global.params.targetTriple.getOS()) {
case llvm::Triple::Linux:
addSoname = true;
args.push_back("-lrt");
if (!opts::disableLinkerStripDead) {
args.push_back("-Wl,--gc-sections");
}
// fallthrough
case llvm::Triple::Darwin:
case llvm::Triple::MacOSX:
args.push_back("-ldl");
// fallthrough
case llvm::Triple::FreeBSD:
addSoname = true;
args.push_back("-lpthread");
args.push_back("-lm");
break;
case llvm::Triple::Solaris:
args.push_back("-lm");
args.push_back("-lumem");
// solaris TODO
break;
#if LDC_LLVM_VER < 305
case llvm::Triple::MinGW32:
// This is really more of a kludge, as linking in the Winsock functions
// should be handled by the pragma(lib, ...) in std.socket, but it
// makes LDC behave as expected for now.
args.push_back("-lws2_32");
break;
#endif
default:
// OS not yet handled, will probably lead to linker errors.
// FIXME: Win32.
break;
}
#if LDC_LLVM_VER >= 305
if (global.params.targetTriple.isWindowsGNUEnvironment())
{
// This is really more of a kludge, as linking in the Winsock functions
// should be handled by the pragma(lib, ...) in std.socket, but it
// makes LDC behave as expected for now.
args.push_back("-lws2_32");
}
#endif
// Only specify -m32/-m64 for architectures where the two variants actually
// exist (as e.g. the GCC ARM toolchain doesn't recognize the switches).
// MIPS does not have -m32/-m64 but requires -mabi=.
if (global.params.targetTriple.get64BitArchVariant().getArch() !=
llvm::Triple::UnknownArch &&
global.params.targetTriple.get32BitArchVariant().getArch() !=
llvm::Triple::UnknownArch) {
if (global.params.targetTriple.get64BitArchVariant().getArch() ==
llvm::Triple::mips64 ||
global.params.targetTriple.get64BitArchVariant().getArch() ==
llvm::Triple::mips64el) {
switch (getMipsABI())
{
case MipsABI::EABI:
args.push_back("-mabi=eabi");
break;
case MipsABI::O32:
args.push_back("-mabi=32");
break;
case MipsABI::N32:
args.push_back("-mabi=n32");
break;
case MipsABI::N64:
args.push_back("-mabi=64");
break;
case MipsABI::Unknown:
break;
}
}
else {
if (global.params.is64bit)
args.push_back("-m64");
else
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, global.params.verbose);
}
static int linkObjToBinaryMSVC(bool sharedLib) {
Logger::println("*** Linking executable ***");
if (!opts::ccSwitches.empty()) {
error(Loc(), "-Xcc is not supported for MSVC");
fatal();
}
#ifdef _WIN32
windows::setupMsvcEnvironment();
#endif
const std::string tool = "link.exe";
// build arguments
std::vector<std::string> args;
args.push_back("/NOLOGO");
// specify that the image will contain a table of safe exception handlers
// and can handle addresses >2GB (32bit only)
if (!global.params.is64bit) {
args.push_back("/SAFESEH");
args.push_back("/LARGEADDRESSAWARE");
}
// output debug information
if (global.params.symdebug) {
args.push_back("/DEBUG");
}
// remove dead code and fold identical COMDATs
if (opts::disableLinkerStripDead) {
args.push_back("/OPT:NOREF");
} else {
args.push_back("/OPT:REF");
args.push_back("/OPT:ICF");
}
// add C runtime libs
addMscrtLibs(args);
// specify creation of DLL
if (sharedLib) {
args.push_back("/DLL");
}
// output filename
std::string output = getOutputName(sharedLib);
args.push_back("/OUT:" + output);
appendObjectFiles(args);
// Link with profile-rt library when generating an instrumented binary
// profile-rt depends on Phobos (MD5 hashing).
if (global.params.genInstrProf) {
args.push_back("ldc-profile-rt.lib");
// profile-rt depends on ws2_32 for symbol `gethostname`
args.push_back("ws2_32.lib");
}
// user libs
for (unsigned i = 0; i < global.params.libfiles->dim; i++)
args.push_back((*global.params.libfiles)[i]);
// set the global gExePath
gExePath = output;
// assert(gExePath.isValid());
// create path to exe
CreateDirectoryOnDisk(gExePath);
// additional linker switches
auto addSwitch = [&](std::string str) {
if (str.length() > 2) {
// rewrite common -L and -l switches
if (str[0] == '-' && str[1] == 'L') {
str = "/LIBPATH:" + str.substr(2);
} else if (str[0] == '-' && str[1] == 'l') {
str = str.substr(2) + ".lib";
}
}
args.push_back(str);
};
for (const auto& str : opts::linkerSwitches) {
addSwitch(str);
}
for (unsigned i = 0; i < global.params.linkswitches->dim; i++) {
addSwitch(global.params.linkswitches->data[i]);
}
// 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: ");
Stream logstr = Logger::cout();
for (const auto &arg : args) {
if (!arg.empty()) {
logstr << "'" << arg << "'"
<< " ";
}
}
logstr << "\n"; // FIXME where's flush ?
// try to call linker
return executeToolAndWait(tool, args, global.params.verbose);
}
int createStaticLibrary() {
Logger::println("*** Creating static library ***");
const bool isTargetMSVC =
global.params.targetTriple->isWindowsMSVCEnvironment();
#if LDC_LLVM_VER >= 309
const bool useInternalArchiver = ar.empty();
#else
const bool useInternalArchiver = false;
#endif
// find archiver
std::string tool;
if (useInternalArchiver) {
tool = isTargetMSVC ? "llvm-lib.exe" : "llvm-ar";
} else {
#ifdef _WIN32
if (isTargetMSVC)
windows::setupMsvcEnvironment();
#endif
tool = getProgram(isTargetMSVC ? "lib.exe" : "ar", &ar);
}
// build arguments
std::vector<std::string> args;
// ask ar to create a new library
if (!isTargetMSVC) {
args.push_back("rcs");
}
// ask lib to be quiet
if (isTargetMSVC) {
args.push_back("/NOLOGO");
}
// output filename
std::string libName;
if (global.params.libname) { // explicit
// DMD adds the default extension if there is none
libName = opts::invokedByLDMD
? FileName::defaultExt(global.params.libname, global.lib_ext)
: global.params.libname;
} else { // infer from first object file
libName = global.params.objfiles->dim
? FileName::removeExt((*global.params.objfiles)[0])
: "a.out";
libName += '.';
libName += global.lib_ext;
}
// DMD creates static libraries in the objects directory (unless using an
// absolute output path via `-of`).
if (opts::invokedByLDMD && global.params.objdir &&
!FileName::absolute(libName.c_str())) {
libName = FileName::combine(global.params.objdir, libName.c_str());
}
if (isTargetMSVC) {
args.push_back("/OUT:" + libName);
} else {
args.push_back(libName);
}
appendObjectFiles(args);
// create path to the library
CreateDirectoryOnDisk(libName);
#if LDC_LLVM_VER >= 309
if (useInternalArchiver) {
std::vector<const char *> fullArgs;
fullArgs.reserve(1 + args.size());
fullArgs.push_back(tool.c_str());
for (const auto &arg : args)
fullArgs.push_back(arg.c_str());
if (global.params.verbose) {
for (auto arg : fullArgs) {
fprintf(global.stdmsg, "%s ", arg);
}
fprintf(global.stdmsg, "\n");
fflush(global.stdmsg);
}
const int exitCode = isTargetMSVC ? ldc::lib(fullArgs) : ldc::ar(fullArgs);
if (exitCode)
error(Loc(), "%s failed with status: %d", tool.c_str(), exitCode);
return exitCode;
}
#endif
// try to call archiver
return executeToolAndWait(tool, args, global.params.verbose);
}
static int linkObjToBinaryGcc(bool sharedLib) {
Logger::println("*** Linking executable ***");
// find gcc for linking
const std::string tool = getGcc();
// build arguments
std::vector<std::string> args;
appendObjectFiles(args);
// Link with profile-rt library when generating an instrumented binary.
// profile-rt uses Phobos (MD5 hashing) and therefore must be passed on the
// commandline before Phobos.
if (global.params.genInstrProf) {
#if LDC_LLVM_VER >= 308
if (global.params.targetTriple->isOSLinux()) {
// For Linux, explicitly define __llvm_profile_runtime as undefined
// symbol, so that the initialization part of profile-rt is linked in.
args.push_back(
("-Wl,-u," + llvm::getInstrProfRuntimeHookVarName()).str());
}
#endif
args.push_back("-lldc-profile-rt");
}
// user libs
for (unsigned i = 0; i < global.params.libfiles->dim; i++)
args.push_back((*global.params.libfiles)[i]);
// output filename
std::string output = getOutputName(sharedLib);
if (sharedLib) {
args.push_back("-shared");
}
if (staticFlag) {
args.push_back("-static");
}
args.push_back("-o");
args.push_back(output);
// set the global gExePath
gExePath = output;
// assert(gExePath.isValid());
// create path to exe
CreateDirectoryOnDisk(gExePath);
// Pass sanitizer arguments to linker. Requires clang.
if (opts::sanitize == opts::AddressSanitizer) {
args.push_back("-fsanitize=address");
}
if (opts::sanitize == opts::MemorySanitizer) {
args.push_back("-fsanitize=memory");
}
if (opts::sanitize == opts::ThreadSanitizer) {
args.push_back("-fsanitize=thread");
}
// Add LTO link flags before adding the user link switches, such that the user
// can pass additional options to the LTO plugin.
if (opts::isUsingLTO())
addLTOLinkFlags(args);
// additional linker and cc switches (preserve order across both lists)
for (unsigned ilink = 0, icc = 0;;) {
unsigned linkpos = ilink < opts::linkerSwitches.size()
? opts::linkerSwitches.getPosition(ilink)
: std::numeric_limits<unsigned>::max();
unsigned ccpos = icc < opts::ccSwitches.size()
? opts::ccSwitches.getPosition(icc)
: std::numeric_limits<unsigned>::max();
if (linkpos < ccpos) {
const std::string& p = opts::linkerSwitches[ilink++];
// Don't push -l and -L switches using -Xlinker, but pass them indirectly
// via GCC. This makes sure user-defined paths take precedence over
// GCC's builtin LIBRARY_PATHs.
// Options starting with `-Wl,`, -shared or -static are not handled by
// the linker and must be passed to the driver.
auto str = llvm::StringRef(p);
if (!(str.startswith("-l") || str.startswith("-L") ||
str.startswith("-Wl,") ||
str.startswith("-shared") || str.startswith("-static"))) {
args.push_back("-Xlinker");
}
args.push_back(p);
} else if (ccpos < linkpos) {
args.push_back(opts::ccSwitches[icc++]);
} else {
break;
}
}
// libs added via pragma(lib, libname)
for (unsigned i = 0; i < global.params.linkswitches->dim; i++) {
args.push_back((*global.params.linkswitches)[i]);
}
// default libs
bool addSoname = false;
switch (global.params.targetTriple->getOS()) {
case llvm::Triple::Linux:
addSoname = true;
// Make sure we don't do --gc-sections when generating a profile-
// instrumented binary. The runtime relies on magic sections, which
// would be stripped by gc-section on older version of ld, see bug:
// https://sourceware.org/bugzilla/show_bug.cgi?id=19161
if (!opts::disableLinkerStripDead && !global.params.genInstrProf) {
args.push_back("-Wl,--gc-sections");
}
if (global.params.targetTriple->getEnvironment() == llvm::Triple::Android) {
args.push_back("-ldl");
args.push_back("-lm");
break;
}
args.push_back("-lrt");
// fallthrough
case llvm::Triple::Darwin:
case llvm::Triple::MacOSX:
args.push_back("-ldl");
// fallthrough
case llvm::Triple::FreeBSD:
case llvm::Triple::NetBSD:
case llvm::Triple::OpenBSD:
case llvm::Triple::DragonFly:
addSoname = true;
args.push_back("-lpthread");
args.push_back("-lm");
break;
case llvm::Triple::Solaris:
args.push_back("-lm");
args.push_back("-lumem");
args.push_back("-lsocket");
args.push_back("-lnsl");
break;
default:
// OS not yet handled, will probably lead to linker errors.
// FIXME: Win32.
break;
}
if (global.params.targetTriple->isWindowsGNUEnvironment()) {
// This is really more of a kludge, as linking in the Winsock functions
// should be handled by the pragma(lib, ...) in std.socket, but it
// makes LDC behave as expected for now.
args.push_back("-lws2_32");
}
// Only specify -m32/-m64 for architectures where the two variants actually
// exist (as e.g. the GCC ARM toolchain doesn't recognize the switches).
// MIPS does not have -m32/-m64 but requires -mabi=.
if (global.params.targetTriple->get64BitArchVariant().getArch() !=
llvm::Triple::UnknownArch &&
global.params.targetTriple->get32BitArchVariant().getArch() !=
llvm::Triple::UnknownArch) {
if (global.params.targetTriple->get64BitArchVariant().getArch() ==
llvm::Triple::mips64 ||
global.params.targetTriple->get64BitArchVariant().getArch() ==
llvm::Triple::mips64el) {
switch (getMipsABI()) {
case MipsABI::EABI:
args.push_back("-mabi=eabi");
break;
case MipsABI::O32:
args.push_back("-mabi=32");
break;
case MipsABI::N32:
args.push_back("-mabi=n32");
break;
case MipsABI::N64:
args.push_back("-mabi=64");
break;
case MipsABI::Unknown:
break;
}
} else {
switch (global.params.targetTriple->getArch()) {
case llvm::Triple::arm:
case llvm::Triple::armeb:
case llvm::Triple::aarch64:
case llvm::Triple::aarch64_be:
#if LDC_LLVM_VER == 305
case llvm::Triple::arm64:
case llvm::Triple::arm64_be:
#endif
break;
default:
if (global.params.is64bit) {
args.push_back("-m64");
} else {
args.push_back("-m32");
}
}
}
}
if (global.params.dll && addSoname) {
std::string soname = opts::soname;
if (!soname.empty()) {
args.push_back("-Wl,-soname," + soname);
}
}
Logger::println("Linking with: ");
Stream logstr = Logger::cout();
for (const auto &arg : args) {
if (!arg.empty()) {
logstr << "'" << arg << "'"
<< " ";
}
}
logstr << "\n"; // FIXME where's flush ?
// try to call linker
return executeToolAndWait(tool, args, global.params.verbose);
}
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);
}
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);
}
int createStaticLibrary() {
Logger::println("*** Creating static library ***");
const bool isTargetWindows =
global.params.targetTriple.isWindowsMSVCEnvironment();
// find archiver
std::string tool(isTargetWindows ? "lib.exe" : getArchiver());
// build arguments
std::vector<std::string> args;
// ask ar to create a new library
if (!isTargetWindows) {
args.push_back("rcs");
}
// ask lib to be quiet
if (isTargetWindows) {
args.push_back("/NOLOGO");
}
// enable Link-time Code Generation (aka. whole program optimization)
if (isTargetWindows && global.params.optimize) {
args.push_back("/LTCG");
}
// output filename
std::string libName;
if (global.params.objname) { // explicit
libName = global.params.objname;
} else { // inferred
// try root module name
if (Module::rootModule) {
libName = Module::rootModule->toChars();
} else if (global.params.objfiles->dim) {
libName = FileName::removeExt(
static_cast<const char *>(global.params.objfiles->data[0]));
} else {
libName = "a.out";
}
}
// KN: The following lines were added to fix a test case failure
// (runnable/test13774.sh).
// Root cause is that dmd handles it in this why.
// As a side effect this change broke compiling with dub.
// if (!FileName::absolute(libName.c_str()))
// libName = FileName::combine(global.params.objdir, libName.c_str());
if (llvm::sys::path::extension(libName).empty()) {
libName.append(std::string(".") + global.lib_ext);
}
if (isTargetWindows) {
args.push_back("/OUT:" + libName);
} else {
args.push_back(libName);
}
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++) {
const char *p = static_cast<const char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// create path to the library
CreateDirectoryOnDisk(libName);
// try to call archiver
int exitCode;
if (isTargetWindows) {
exitCode = executeMsvcToolAndWait(tool, args, global.params.verbose);
} else {
exitCode = executeToolAndWait(tool, args, global.params.verbose);
}
return exitCode;
}
static int linkObjToBinaryWin(bool sharedLib) {
Logger::println("*** Linking executable ***");
std::string tool = "link.exe";
// build arguments
std::vector<std::string> args;
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");
}
// because of a LLVM bug, see LDC issue 442
if (global.params.symdebug) {
args.push_back("/LARGEADDRESSAWARE:NO");
} else {
args.push_back("/LARGEADDRESSAWARE");
}
// output debug information
if (global.params.symdebug) {
args.push_back("/DEBUG");
}
// enable Link-time Code Generation (aka. whole program optimization)
if (global.params.optimize) {
args.push_back("/LTCG");
}
// remove dead code and fold identical COMDATs
if (opts::disableLinkerStripDead) {
args.push_back("/OPT:NOREF");
} else {
args.push_back("/OPT:REF");
args.push_back("/OPT:ICF");
}
// specify creation of DLL
if (sharedLib) {
args.push_back("/DLL");
}
// output filename
std::string output = getOutputName(sharedLib);
args.push_back("/OUT:" + output);
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++) {
const char *p = static_cast<const char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// user libs
for (unsigned i = 0; i < global.params.libfiles->dim; i++) {
const char *p = static_cast<const char *>(global.params.libfiles->data[i]);
args.push_back(p);
}
// set the global gExePath
gExePath = output;
// assert(gExePath.isValid());
// create path to exe
CreateDirectoryOnDisk(gExePath);
// additional linker switches
for (unsigned i = 0; i < global.params.linkswitches->dim; i++) {
std::string str = global.params.linkswitches->data[i];
if (str.length() > 2) {
// rewrite common -L and -l switches
if (str[0] == '-' && str[1] == 'L') {
str = "/LIBPATH:" + str.substr(2);
} else if (str[0] == '-' && str[1] == 'l') {
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: ");
Stream logstr = Logger::cout();
for (const auto &arg : args) {
if (!arg.empty()) {
logstr << "'" << arg << "'"
<< " ";
}
}
logstr << "\n"; // FIXME where's flush ?
// try to call linker
return executeMsvcToolAndWait(tool, args, global.params.verbose);
}