bool SerializationTest::Serialize(llvm::sys::Path& Filename,
llvm::sys::Path& FNameDeclPrint,
ASTContext &Ctx) {
{
// Pretty-print the decls to a temp file.
std::string Err;
llvm::raw_fd_ostream DeclPP(FNameDeclPrint.c_str(), true, Err);
assert (Err.empty() && "Could not open file for printing out decls.");
llvm::OwningPtr<ASTConsumer> FilePrinter(CreateASTPrinter(&DeclPP));
TranslationUnitDecl *TUD = Ctx.getTranslationUnitDecl();
for (DeclContext::decl_iterator I = TUD->decls_begin(Ctx),
E = TUD->decls_end(Ctx);
I != E; ++I)
FilePrinter->HandleTopLevelDecl(DeclGroupRef(*I));
}
// Serialize the translation unit.
// Reserve 256K for bitstream buffer.
std::vector<unsigned char> Buffer;
Buffer.reserve(256*1024);
Ctx.EmitASTBitcodeBuffer(Buffer);
// Write the bits to disk.
if (FILE* fp = fopen(Filename.c_str(),"wb")) {
fwrite((char*)&Buffer.front(), sizeof(char), Buffer.size(), fp);
fclose(fp);
return true;
}
return false;
}
static int ExecuteToolAndWait(llvm::sys::Path tool, std::vector<std::string> args, bool verbose = false)
{
// Construct real argument list.
// First entry is the tool itself, last entry must be NULL.
std::vector<const char *> realargs;
realargs.reserve(args.size() + 2);
realargs.push_back(tool.c_str());
for (std::vector<std::string>::const_iterator it = args.begin(); it != args.end(); ++it)
{
realargs.push_back((*it).c_str());
}
realargs.push_back(NULL);
// Print command line if requested
if (verbose)
{
// Print it
for (int i = 0; i < realargs.size()-1; i++)
printf("%s ", realargs[i]);
printf("\n");
fflush(stdout);
}
// Execute tool.
std::string errstr;
if (int status = llvm::sys::Program::ExecuteAndWait(tool, &realargs[0], NULL, NULL, 0, 0, &errstr))
{
error("%s failed with status: %d", tool.c_str(), status);
if (!errstr.empty())
error("message: %s", errstr.c_str());
return status;
}
return 0;
}
int runExecutable()
{
assert(!gExePath.isEmpty());
assert(gExePath.isValid());
// build arguments
std::vector<const char*> args;
// args[0] should be the name of the executable
args.push_back(gExePath.c_str());
// Skip first argument to -run; it's a D source file.
for (size_t i = 1, length = opts::runargs.size(); i < length; i++)
{
args.push_back(opts::runargs[i].c_str());
}
// terminate args list
args.push_back(NULL);
// try to call linker!!!
std::string errstr;
int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr);
if (status < 0)
{
error("program received signal %d (%s)", -status, strsignal(-status));
return -status;
}
if (!errstr.empty())
{
error("failed to execute program");
if (!errstr.empty())
error("error message: %s", errstr.c_str());
fatal();
}
return status;
}
void deleteExecutable()
{
if (!gExePath.isEmpty())
{
assert(gExePath.isValid());
assert(!gExePath.isDirectory());
gExePath.eraseFromDisk(false);
}
}
void FileManager::FixupRelativePath(llvm::sys::Path &path,
const FileSystemOptions &FSOpts) {
if (FSOpts.WorkingDir.empty() || llvm::sys::path::is_absolute(path.str()))
return;
llvm::SmallString<128> NewPath(FSOpts.WorkingDir);
llvm::sys::path::append(NewPath, path.str());
path = NewPath;
}
void deleteExecutable()
{
if (!gExePath.isEmpty())
{
assert(gExePath.isValid());
bool is_directory;
assert(!(!llvm::sys::fs::is_directory(gExePath.str(), is_directory) && is_directory));
gExePath.eraseFromDisk(false);
}
}
void MetaSema::actOnxCommand(llvm::sys::Path file, llvm::StringRef args)
{
// Fall back to the meta processor for now.
m_LastResultedValue = StoredValueRef::invalidValue();
m_MetaProcessor.executeFile(file.str(), args.str(), &m_LastResultedValue);
//m_Interpreter.loadFile(path.str());
// TODO: extra checks. Eg if the path is readable, if the file exists...
}
int runExecutable()
{
assert(!gExePath.isEmpty());
assert(gExePath.isValid());
// Run executable
int status = ExecuteToolAndWait(gExePath, opts::runargs, !quiet || global.params.verbose);
if (status < 0)
{
#if defined(_MSC_VER)
error("program received signal %d", -status);
#else
error("program received signal %d (%s)", -status, strsignal(-status));
#endif
return -status;
}
return status;
}
/**
* Prints usage information to stdout.
*/
void printUsage(const char* argv0, ls::Path ldcPath)
{
// Print version information by actually invoking ldc -version.
const char* args[] = { ldcPath.c_str(), "-version", NULL };
execute(ldcPath, args);
printf("\n\
Usage:\n\
%s files.d ... { -switch }\n\
/**
* Runs the given executable, returning its error code.
*/
int execute(ls::Path exePath, const char** args)
{
std::string errorMsg;
int rc = ls::Program::ExecuteAndWait(exePath, args, NULL, NULL,
0, 0, &errorMsg);
if (!errorMsg.empty())
{
error("Could not execute %s: %s", exePath.c_str(), errorMsg.c_str());
}
return rc;
}
void clang::LoadSerializedDiagnostics(const llvm::sys::Path &DiagnosticsPath,
unsigned num_unsaved_files,
struct CXUnsavedFile *unsaved_files,
FileManager &FileMgr,
SourceManager &SourceMgr,
SmallVectorImpl<StoredDiagnostic> &Diags) {
using llvm::MemoryBuffer;
using llvm::StringRef;
MemoryBuffer *F = MemoryBuffer::getFile(DiagnosticsPath.c_str());
if (!F)
return;
// Enter the unsaved files into the file manager.
for (unsigned I = 0; I != num_unsaved_files; ++I) {
const FileEntry *File = FileMgr.getVirtualFile(unsaved_files[I].Filename,
unsaved_files[I].Length,
0);
if (!File) {
// FIXME: Hard to localize when we have no diagnostics engine!
Diags.push_back(StoredDiagnostic(Diagnostic::Fatal,
(Twine("could not remap from missing file ") +
unsaved_files[I].Filename).str()));
delete F;
return;
}
MemoryBuffer *Buffer
= MemoryBuffer::getMemBuffer(unsaved_files[I].Contents,
unsaved_files[I].Contents + unsaved_files[I].Length);
if (!Buffer) {
delete F;
return;
}
SourceMgr.overrideFileContents(File, Buffer);
SourceMgr.createFileID(File, SourceLocation(), SrcMgr::C_User);
}
// Parse the diagnostics, emitting them one by one until we've
// exhausted the data.
StringRef Buffer = F->getBuffer();
const char *Memory = Buffer.data(), *MemoryEnd = Memory + Buffer.size();
while (Memory != MemoryEnd) {
StoredDiagnostic Stored = StoredDiagnostic::Deserialize(FileMgr, SourceMgr,
Memory, MemoryEnd);
if (!Stored)
break;
Diags.push_back(Stored);
}
delete F;
}
bool SerializationTest::Deserialize(llvm::sys::Path& Filename,
llvm::sys::Path& FNameDeclPrint) {
// Deserialize the translation unit.
ASTContext *NewCtx;
{
// Create the memory buffer that contains the contents of the file.
llvm::OwningPtr<llvm::MemoryBuffer>
MBuffer(llvm::MemoryBuffer::getFile(Filename.c_str()));
if (!MBuffer)
return false;
NewCtx = ASTContext::ReadASTBitcodeBuffer(*MBuffer, FMgr);
}
if (!NewCtx)
return false;
{
// Pretty-print the deserialized decls to a temp file.
std::string Err;
llvm::raw_fd_ostream DeclPP(FNameDeclPrint.c_str(), true, Err);
assert (Err.empty() && "Could not open file for printing out decls.");
llvm::OwningPtr<ASTConsumer> FilePrinter(CreateASTPrinter(&DeclPP));
TranslationUnitDecl *TUD = NewCtx->getTranslationUnitDecl();
for (DeclContext::decl_iterator I = TUD->decls_begin(*NewCtx),
E = TUD->decls_end(*NewCtx);
I != E; ++I)
FilePrinter->HandleTopLevelDecl(DeclGroupRef(*I));
}
delete NewCtx;
return true;
}
MetaSema::ActionResult MetaSema::actOnxCommand(llvm::sys::Path file,
llvm::StringRef args,
StoredValueRef* result) {
// Fall back to the meta processor for now.
Interpreter::CompilationResult compRes = Interpreter::kFailure;
m_MetaProcessor.executeFile(file.str(), args.str(), compRes, result);
ActionResult actionResult = AR_Failure;
if (compRes == Interpreter::kSuccess)
actionResult = AR_Success;
return actionResult;
//m_Interpreter.loadFile(path.str());
// TODO: extra checks. Eg if the path is readable, if the file exists...
}
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;
}
static bool generateBinary(llvm::Module *module,
const string &outputFile,
const llvm::sys::Path &gccPath,
unsigned optLevel,
bool /*exceptions*/,
bool sharedLib,
bool genPIC,
const vector<string> &arguments)
{
llvm::sys::Path tempAsm("clayasm");
string errMsg;
if (tempAsm.createTemporaryFileOnDisk(false, &errMsg)) {
cerr << "error: " << errMsg << '\n';
return false;
}
llvm::sys::RemoveFileOnSignal(tempAsm);
errMsg.clear();
llvm::raw_fd_ostream asmOut(tempAsm.c_str(),
errMsg,
llvm::raw_fd_ostream::F_Binary);
if (!errMsg.empty()) {
cerr << "error: " << errMsg << '\n';
return false;
}
generateAssembly(module, &asmOut, false, optLevel, sharedLib, genPIC);
asmOut.close();
vector<const char *> gccArgs;
gccArgs.push_back(gccPath.c_str());
switch (llvmTargetData->getPointerSizeInBits()) {
case 32 :
gccArgs.push_back("-m32");
break;
case 64 :
gccArgs.push_back("-m64");
break;
default :
assert(false);
}
if (sharedLib)
gccArgs.push_back("-shared");
gccArgs.push_back("-o");
gccArgs.push_back(outputFile.c_str());
gccArgs.push_back("-x");
gccArgs.push_back("assembler");
gccArgs.push_back(tempAsm.c_str());
for (unsigned i = 0; i < arguments.size(); ++i)
gccArgs.push_back(arguments[i].c_str());
gccArgs.push_back(NULL);
int result = llvm::sys::Program::ExecuteAndWait(gccPath, &gccArgs[0]);
if (tempAsm.eraseFromDisk(false, &errMsg)) {
cerr << "error: " << errMsg << '\n';
return false;
}
return (result == 0);
}
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;
}
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);
}
bool ConfigFile::locate(sys::Path& p, const char* argv0, void* mainAddr, const char* filename)
{
// temporary configuration
// try the current working dir
p = sys::Path::GetCurrentDirectory();
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
// try next to the executable
p = sys::Path::GetMainExecutable(argv0, mainAddr);
p.eraseComponent();
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
// user configuration
// try ~/.ldc
p = sys::Path::GetUserHomeDirectory();
p.appendComponent(".ldc");
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
#if _WIN32
// try home dir
p = sys::Path::GetUserHomeDirectory();
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
#endif
// system configuration
// try in etc relative to the executable: exe\..\etc
// do not use .. in path because of security risks
p = sys::Path::GetMainExecutable(argv0, mainAddr);
p.eraseComponent();
p.eraseComponent();
if (!p.isEmpty())
{
p.appendComponent("etc");
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
}
#if _WIN32
// try the install-prefix
p = sys::Path(LDC_INSTALL_PREFIX);
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
#else
// try the install-prefix/etc
p = sys::Path(LDC_INSTALL_PREFIX);
p.appendComponent("etc");
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
// try the install-prefix/etc/ldc
p = sys::Path(LDC_INSTALL_PREFIX);
p.appendComponent("etc");
p.appendComponent("ldc");
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
// try /etc (absolute path)
p = sys::Path("/etc");
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
// try /etc/ldc (absolute path)
p = sys::Path("/etc/ldc");
p.appendComponent(filename);
if (sys::fs::exists(p.str()))
return true;
#endif
return false;
}
void MetaSema::actOnLCommand(llvm::sys::Path file) const {
m_Interpreter.loadFile(file.str());
// TODO: extra checks. Eg if the path is readable, if the file exists...
}
MetaSema::ActionResult MetaSema::actOnLCommand(llvm::sys::Path file) const {
// TODO: extra checks. Eg if the path is readable, if the file exists...
if (m_Interpreter.loadFile(file.str()) == Interpreter::kSuccess)
return AR_Success;
return AR_Failure;
}
void MetaSema::actOnICommand(llvm::sys::Path path) const {
if (path.isEmpty())
m_Interpreter.DumpIncludePath();
else
m_Interpreter.AddIncludePath(path.str());
}
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;
}
