bool TeslaVisitor::VisitCallExpr(CallExpr *E) {
FunctionDecl *F = E->getDirectCallee();
if (!F) return true;
StringRef FnName = F->getName();
if (!FnName.startswith(TESLA_BASE)) return true;
// TESLA function calls might be inline assertions.
if (FnName == INLINE_ASSERTION) {
OwningPtr<Parser> P(Parser::AssertionParser(E, *Context));
if (!P)
return false;
OwningPtr<AutomatonDescription> Description;
OwningPtr<Usage> Use;
if (!P->Parse(Description, Use))
return false;
Automata.push_back(Description.take());
Roots.push_back(Use.take());
return true;
}
return true;
}
LLVMSymbolizer::BinaryPair
LLVMSymbolizer::getOrCreateBinary(const std::string &Path) {
BinaryMapTy::iterator I = BinaryForPath.find(Path);
if (I != BinaryForPath.end())
return I->second;
Binary *Bin = 0;
Binary *DbgBin = 0;
OwningPtr<Binary> ParsedBinary;
OwningPtr<Binary> ParsedDbgBinary;
if (!error(createBinary(Path, ParsedBinary))) {
// Check if it's a universal binary.
Bin = ParsedBinary.take();
ParsedBinariesAndObjects.push_back(Bin);
if (Bin->isMachO() || Bin->isMachOUniversalBinary()) {
// On Darwin we may find DWARF in separate object file in
// resource directory.
const std::string &ResourcePath =
getDarwinDWARFResourceForPath(Path);
bool ResourceFileExists = false;
if (!sys::fs::exists(ResourcePath, ResourceFileExists) &&
ResourceFileExists &&
!error(createBinary(ResourcePath, ParsedDbgBinary))) {
DbgBin = ParsedDbgBinary.take();
ParsedBinariesAndObjects.push_back(DbgBin);
}
}
}
if (DbgBin == 0)
DbgBin = Bin;
BinaryPair Res = std::make_pair(Bin, DbgBin);
BinaryForPath[Path] = Res;
return Res;
}
llvm::MemoryBuffer *FileManager::
getBufferForFile(const FileEntry *Entry, std::string *ErrorStr) {
OwningPtr<llvm::MemoryBuffer> Result;
llvm::error_code ec;
const char *Filename = Entry->getName();
// If the file is already open, use the open file descriptor.
if (Entry->FD != -1) {
ec = llvm::MemoryBuffer::getOpenFile(Entry->FD, Filename, Result,
Entry->getSize());
if (ErrorStr)
*ErrorStr = ec.message();
close(Entry->FD);
Entry->FD = -1;
return Result.take();
}
// Otherwise, open the file.
if (FileSystemOpts.WorkingDir.empty()) {
ec = llvm::MemoryBuffer::getFile(Filename, Result, Entry->getSize());
if (ec && ErrorStr)
*ErrorStr = ec.message();
return Result.take();
}
SmallString<128> FilePath(Entry->getName());
FixupRelativePath(FilePath);
ec = llvm::MemoryBuffer::getFile(FilePath.str(), Result, Entry->getSize());
if (ec && ErrorStr)
*ErrorStr = ec.message();
return Result.take();
}
bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input,
DiagnosticsEngine &Diags,
FileManager &FileMgr,
SourceManager &SourceMgr,
const FrontendOptions &Opts) {
SrcMgr::CharacteristicKind
Kind = Input.isSystem() ? SrcMgr::C_System : SrcMgr::C_User;
if (Input.isBuffer()) {
SourceMgr.createMainFileIDForMemBuffer(Input.getBuffer(), Kind);
assert(!SourceMgr.getMainFileID().isInvalid() &&
"Couldn't establish MainFileID!");
return true;
}
StringRef InputFile = Input.getFile();
// Figure out where to get and map in the main file.
if (InputFile != "-") {
const FileEntry *File = FileMgr.getFile(InputFile);
if (!File) {
Diags.Report(diag::err_fe_error_reading) << InputFile;
return false;
}
// The natural SourceManager infrastructure can't currently handle named
// pipes, but we would at least like to accept them for the main
// file. Detect them here, read them with the more generic MemoryBuffer
// function, and simply override their contents as we do for STDIN.
if (File->isNamedPipe()) {
OwningPtr<llvm::MemoryBuffer> MB;
if (llvm::error_code ec = llvm::MemoryBuffer::getFile(InputFile, MB)) {
Diags.Report(diag::err_cannot_open_file) << InputFile << ec.message();
return false;
}
// Create a new virtual file that will have the correct size.
File = FileMgr.getVirtualFile(InputFile, MB->getBufferSize(), 0);
SourceMgr.overrideFileContents(File, MB.take());
}
SourceMgr.createMainFileID(File, Kind);
} else {
OwningPtr<llvm::MemoryBuffer> SB;
if (llvm::MemoryBuffer::getSTDIN(SB)) {
// FIXME: Give ec.message() in this diag.
Diags.Report(diag::err_fe_error_reading_stdin);
return false;
}
const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(),
SB->getBufferSize(), 0);
SourceMgr.createMainFileID(File, Kind);
SourceMgr.overrideFileContents(File, SB.take());
}
assert(!SourceMgr.getMainFileID().isInvalid() &&
"Couldn't establish MainFileID!");
return true;
}
bool TeslaVisitor::VisitFunctionDecl(FunctionDecl *F) {
// Only analyse non-deleted definitions (i.e. definitions with bodies).
if (!F->doesThisDeclarationHaveABody())
return true;
// We only parse functions that return __tesla_automaton_description*.
const Type *RetTy = F->getResultType().getTypePtr();
if (!RetTy->isPointerType())
return true;
QualType Pointee = RetTy->getPointeeType();
auto TypeID = Pointee.getBaseTypeIdentifier();
if (!TypeID)
return true;
OwningPtr<Parser> P;
StringRef FnName = F->getName();
// Build a Parser appropriate to what we're parsing.
string RetTypeName = TypeID->getName();
if (RetTypeName == AUTOMATON_DESC)
P.reset(Parser::AutomatonParser(F, *Context));
else if ((RetTypeName == AUTOMATON_USAGE) && (FnName != AUTOMATON_USES))
P.reset(Parser::MappingParser(F, *Context));
else
return true;
// Actually parse the function.
if (!P)
return false;
OwningPtr<AutomatonDescription> Description;
OwningPtr<Usage> Use;
if (!P->Parse(Description, Use))
return false;
if (Description)
Automata.push_back(Description.take());
if (Use)
Roots.push_back(Use.take());
return true;
}
/// \brief Read the file into _buffer.
error_code
FileNode::readFile(const LinkingContext &ctx, raw_ostream &diagnostics,
bool &isYaml) {
ErrorOr<StringRef> filePath = getPath(ctx);
if (!filePath &&
error_code(filePath) == llvm::errc::no_such_file_or_directory)
return make_error_code(llvm::errc::no_such_file_or_directory);
// Create a memory buffer
OwningPtr<llvm::MemoryBuffer> opmb;
if (error_code ec = llvm::MemoryBuffer::getFileOrSTDIN(*filePath, opmb))
return ec;
std::unique_ptr<MemoryBuffer> mb(opmb.take());
_buffer = std::move(mb);
if (ctx.logInputFiles())
diagnostics << _buffer->getBufferIdentifier() << "\n";
// YAML file is identified by a .objtxt extension
// FIXME : Identify YAML files by using a magic
if (filePath->endswith(".objtxt")) {
if (error_code ec = ctx.getYAMLReader().parseFile(_buffer, _files))
return ec;
isYaml = true;
}
return error_code::success();
}
bool CompilerInstance::InitializeSourceManager(StringRef InputFile,
SrcMgr::CharacteristicKind Kind,
DiagnosticsEngine &Diags,
FileManager &FileMgr,
SourceManager &SourceMgr,
const FrontendOptions &Opts) {
// Figure out where to get and map in the main file.
if (InputFile != "-") {
const FileEntry *File = FileMgr.getFile(InputFile);
if (!File) {
Diags.Report(diag::err_fe_error_reading) << InputFile;
return false;
}
SourceMgr.createMainFileID(File, Kind);
} else {
OwningPtr<llvm::MemoryBuffer> SB;
if (llvm::MemoryBuffer::getSTDIN(SB)) {
// FIXME: Give ec.message() in this diag.
Diags.Report(diag::err_fe_error_reading_stdin);
return false;
}
const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(),
SB->getBufferSize(), 0);
SourceMgr.createMainFileID(File, Kind);
SourceMgr.overrideFileContents(File, SB.take());
}
assert(!SourceMgr.getMainFileID().isInvalid() &&
"Couldn't establish MainFileID!");
return true;
}
bool LTOModule::isBitcodeFileForTarget(const char *path,
const char *triplePrefix) {
OwningPtr<MemoryBuffer> buffer;
if (MemoryBuffer::getFile(path, buffer))
return false;
return isTargetMatch(buffer.take(), triplePrefix);
}
const void* LTOCodeGenerator::compile(size_t* length, std::string& errMsg) {
const char *name;
if (compile_to_file(&name, errMsg))
return NULL;
// remove old buffer if compile() called twice
delete _nativeObjectFile;
// read .o file into memory buffer
OwningPtr<MemoryBuffer> BuffPtr;
if (error_code ec = MemoryBuffer::getFile(name, BuffPtr, -1, false)) {
errMsg = ec.message();
return NULL;
}
_nativeObjectFile = BuffPtr.take();
// remove temp files
sys::Path(_nativeObjectPath).eraseFromDisk();
// return buffer, unless error
if ( _nativeObjectFile == NULL )
return NULL;
*length = _nativeObjectFile->getBufferSize();
return _nativeObjectFile->getBufferStart();
}
static ASTReader *createASTReader(CompilerInstance &CI,
StringRef pchFile,
SmallVector<llvm::MemoryBuffer *, 4> &memBufs,
SmallVector<std::string, 4> &bufNames,
ASTDeserializationListener *deserialListener = 0) {
Preprocessor &PP = CI.getPreprocessor();
OwningPtr<ASTReader> Reader;
Reader.reset(new ASTReader(PP, CI.getASTContext(), /*isysroot=*/"",
/*DisableValidation=*/true));
for (unsigned ti = 0; ti < bufNames.size(); ++ti) {
StringRef sr(bufNames[ti]);
Reader->addInMemoryBuffer(sr, memBufs[ti]);
}
Reader->setDeserializationListener(deserialListener);
switch (Reader->ReadAST(pchFile, serialization::MK_PCH,
ASTReader::ARR_None)) {
case ASTReader::Success:
// Set the predefines buffer as suggested by the PCH reader.
PP.setPredefines(Reader->getSuggestedPredefines());
return Reader.take();
case ASTReader::Failure:
case ASTReader::OutOfDate:
case ASTReader::VersionMismatch:
case ASTReader::ConfigurationMismatch:
case ASTReader::HadErrors:
break;
}
return 0;
}
/// print - Print source files with collected line count information.
void FileInfo::print() {
for (StringMap<LineCounts>::iterator I = LineInfo.begin(), E = LineInfo.end();
I != E; ++I) {
StringRef Filename = I->first();
outs() << Filename << "\n";
LineCounts &L = LineInfo[Filename];
OwningPtr<MemoryBuffer> Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
errs() << Filename << ": " << ec.message() << "\n";
return;
}
StringRef AllLines = Buff.take()->getBuffer();
for (unsigned i = 0, e = L.size(); i != e; ++i) {
if (L[i])
outs() << L[i] << ":\t";
else
outs() << " :\t";
std::pair<StringRef, StringRef> P = AllLines.split('\n');
if (AllLines != P.first)
outs() << P.first;
outs() << "\n";
AllLines = P.second;
}
}
}
static CompilerInvocation *
createInvocationForMigration(CompilerInvocation &origCI) {
OwningPtr<CompilerInvocation> CInvok;
CInvok.reset(new CompilerInvocation(origCI));
CInvok->getPreprocessorOpts().ImplicitPCHInclude = std::string();
CInvok->getPreprocessorOpts().ImplicitPTHInclude = std::string();
std::string define = getARCMTMacroName();
define += '=';
CInvok->getPreprocessorOpts().addMacroDef(define);
CInvok->getLangOpts()->ObjCAutoRefCount = true;
CInvok->getLangOpts()->setGC(LangOptions::NonGC);
CInvok->getDiagnosticOpts().ErrorLimit = 0;
CInvok->getDiagnosticOpts().PedanticErrors = 0;
// Ignore -Werror flags when migrating.
std::vector<std::string> WarnOpts;
for (std::vector<std::string>::iterator
I = CInvok->getDiagnosticOpts().Warnings.begin(),
E = CInvok->getDiagnosticOpts().Warnings.end(); I != E; ++I) {
if (!StringRef(*I).startswith("error"))
WarnOpts.push_back(*I);
}
WarnOpts.push_back("error=arc-unsafe-retained-assign");
CInvok->getDiagnosticOpts().Warnings = llvm_move(WarnOpts);
CInvok->getLangOpts()->ObjCRuntimeHasWeak = HasARCRuntime(origCI);
return CInvok.take();
}
const void* LTOCodeGenerator::compile(size_t* length,
bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
std::string& errMsg) {
const char *name;
if (!compile_to_file(&name, disableOpt, disableInline, disableGVNLoadPRE,
errMsg))
return NULL;
// remove old buffer if compile() called twice
delete NativeObjectFile;
// read .o file into memory buffer
OwningPtr<MemoryBuffer> BuffPtr;
if (error_code ec = MemoryBuffer::getFile(name, BuffPtr, -1, false)) {
errMsg = ec.message();
sys::fs::remove(NativeObjectPath);
return NULL;
}
NativeObjectFile = BuffPtr.take();
// remove temp files
sys::fs::remove(NativeObjectPath);
// return buffer, unless error
if (NativeObjectFile == NULL)
return NULL;
*length = NativeObjectFile->getBufferSize();
return NativeObjectFile->getBufferStart();
}
static int printLineInfoForInput() {
// If we don't have any input files, read from stdin.
if (!InputFileList.size())
InputFileList.push_back("-");
for(unsigned i = 0, e = InputFileList.size(); i != e; ++i) {
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(&MemMgr);
// Load the input memory buffer.
OwningPtr<MemoryBuffer> InputBuffer;
OwningPtr<ObjectImage> LoadedObject;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFileList[i],
InputBuffer))
return Error("unable to read input: '" + ec.message() + "'");
// Load the object file
LoadedObject.reset(Dyld.loadObject(new ObjectBuffer(InputBuffer.take())));
if (!LoadedObject) {
return Error(Dyld.getErrorString());
}
// Resolve all the relocations we can.
Dyld.resolveRelocations();
OwningPtr<DIContext> Context(DIContext::getDWARFContext(LoadedObject->getObjectFile()));
// Use symbol info to iterate functions in the object.
error_code ec;
for (object::symbol_iterator I = LoadedObject->begin_symbols(),
E = LoadedObject->end_symbols();
I != E && !ec;
I.increment(ec)) {
object::SymbolRef::Type SymType;
if (I->getType(SymType)) continue;
if (SymType == object::SymbolRef::ST_Function) {
StringRef Name;
uint64_t Addr;
uint64_t Size;
if (I->getName(Name)) continue;
if (I->getAddress(Addr)) continue;
if (I->getSize(Size)) continue;
outs() << "Function: " << Name << ", Size = " << Size << "\n";
DILineInfoTable Lines = Context->getLineInfoForAddressRange(Addr, Size);
DILineInfoTable::iterator Begin = Lines.begin();
DILineInfoTable::iterator End = Lines.end();
for (DILineInfoTable::iterator It = Begin; It != End; ++It) {
outs() << " Line info @ " << It->first - Addr << ": "
<< It->second.getFileName()
<< ", line:" << It->second.getLine() << "\n";
}
}
}
}
return 0;
}
error_or<object::Binary> get_binary(const char* data, std::size_t size) {
StringRef data_ref(data, size);
MemoryBuffer* buff(MemoryBuffer::getMemBufferCopy(data_ref, "binary"));
OwningPtr<object::Binary> bin;
if (error_code ec = createBinary(buff, bin))
return failure(ec.message());
return error_or<object::Binary>(bin.take());
}
/// makeLTOModule - Create an LTOModule. N.B. These methods take ownership of
/// the buffer.
LTOModule *LTOModule::makeLTOModule(const char *path, std::string &errMsg) {
OwningPtr<MemoryBuffer> buffer;
if (error_code ec = MemoryBuffer::getFile(path, buffer)) {
errMsg = ec.message();
return NULL;
}
return makeLTOModule(buffer.take(), errMsg);
}
bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
// Add common CodeGen passes.
MCContext *Context = 0;
if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify, Context))
return true;
assert(Context != 0 && "Failed to get MCContext");
const MCAsmInfo &MAI = *getMCAsmInfo();
OwningPtr<MCStreamer> AsmStreamer;
switch (FileType) {
default: return true;
case CGFT_AssemblyFile: {
MCInstPrinter *InstPrinter =
getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI);
AsmStreamer.reset(createAsmStreamer(*Context, Out,
getTargetData()->isLittleEndian(),
getVerboseAsm(), InstPrinter,
/*codeemitter*/0));
break;
}
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this, *Context);
TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
if (MCE == 0 || TAB == 0)
return true;
AsmStreamer.reset(createMachOStreamer(*Context, *TAB, Out, MCE));
break;
}
case CGFT_Null:
// The Null output is intended for use for performance analysis and testing,
// not real users.
AsmStreamer.reset(createNullStreamer(*Context));
break;
}
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
if (Printer == 0)
return true;
// If successful, createAsmPrinter took ownership of AsmStreamer.
AsmStreamer.take();
PM.add(Printer);
// Make sure the code model is set.
setCodeModelForStatic();
PM.add(createGCInfoDeleter());
return false;
}
static void DumpInput(const StringRef &Filename) {
OwningPtr<MemoryBuffer> Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
errs() << Filename << ": " << ec.message() << "\n";
return;
}
OwningPtr<ObjectFile> Obj(ObjectFile::createObjectFile(Buff.take()));
StringRef DebugInfoSection;
StringRef DebugAbbrevSection;
StringRef DebugLineSection;
StringRef DebugArangesSection;
StringRef DebugStringSection;
error_code ec;
for (ObjectFile::section_iterator i = Obj->begin_sections(),
e = Obj->end_sections();
i != e; i.increment(ec)) {
StringRef name;
i->getName(name);
StringRef data;
i->getContents(data);
if (name.startswith("__DWARF,"))
name = name.substr(8); // Skip "__DWARF," prefix.
name = name.substr(name.find_first_not_of("._")); // Skip . and _ prefixes.
if (name == "debug_info")
DebugInfoSection = data;
else if (name == "debug_abbrev")
DebugAbbrevSection = data;
else if (name == "debug_line")
DebugLineSection = data;
else if (name == "debug_aranges")
DebugArangesSection = data;
else if (name == "debug_str")
DebugStringSection = data;
}
OwningPtr<DIContext> dictx(DIContext::getDWARFContext(/*FIXME*/true,
DebugInfoSection,
DebugAbbrevSection,
DebugArangesSection,
DebugLineSection,
DebugStringSection));
if (Address == -1ULL) {
outs() << Filename
<< ":\tfile format " << Obj->getFileFormatName() << "\n\n";
// Dump the complete DWARF structure.
dictx->dump(outs());
} else {
// Print line info for the specified address.
DILineInfo dli = dictx->getLineInfoForAddress(Address);
outs() << (dli.getFileName() ? dli.getFileName() : "<unknown>") << ':'
<< dli.getLine() << ':' << dli.getColumn() << '\n';
}
}
/// makeLTOModule - Create an LTOModule. N.B. These methods take ownership of
/// the buffer.
LTOModule *LTOModule::makeLTOModule(const char *path, std::string &errMsg) {
OwningPtr<MemoryBuffer> buffer;
if (error_code ec = MemoryBuffer::getFile(path, buffer)) {
errMsg = ec.message();
return NULL;
}
RandomNumberGenerator::EntropyData.append(path);
return makeLTOModule(buffer.take(), errMsg);
}
llvm::MemoryBuffer *FileManager::
getBufferForFile(StringRef Filename, std::string *ErrorStr) {
OwningPtr<llvm::MemoryBuffer> Result;
llvm::error_code ec;
if (FileSystemOpts.WorkingDir.empty()) {
ec = llvm::MemoryBuffer::getFile(Filename, Result);
if (ec && ErrorStr)
*ErrorStr = ec.message();
return Result.take();
}
SmallString<128> FilePath(Filename);
FixupRelativePath(FilePath);
ec = llvm::MemoryBuffer::getFile(FilePath.c_str(), Result);
if (ec && ErrorStr)
*ErrorStr = ec.message();
return Result.take();
}
image* create(const char* data, std::size_t size) {
StringRef data_ref(data, size);
MemoryBuffer* buff(MemoryBuffer::getMemBufferCopy(data_ref, "binary"));
OwningPtr<object::Binary> bin;
if (error_code ec = createBinary(buff, bin))
llvm_binary_fail(ec);
std::unique_ptr<object::Binary> binary(bin.take());
return create(move(binary));
}
int TableGenMain(char *argv0, TableGenMainFn *MainFn) {
RecordKeeper Records;
try {
// Parse the input file.
OwningPtr<MemoryBuffer> File;
if (error_code ec =
MemoryBuffer::getFileOrSTDIN(InputFilename.c_str(), File)) {
errs() << "Could not open input file '" << InputFilename << "': "
<< ec.message() <<"\n";
return 1;
}
MemoryBuffer *F = File.take();
// Tell SrcMgr about this buffer, which is what TGParser will pick up.
SrcMgr.AddNewSourceBuffer(F, SMLoc());
// Record the location of the include directory so that the lexer can find
// it later.
SrcMgr.setIncludeDirs(IncludeDirs);
TGParser Parser(SrcMgr, Records);
if (Parser.ParseFile())
return 1;
std::string Error;
tool_output_file Out(OutputFilename.c_str(), Error);
if (!Error.empty()) {
errs() << argv0 << ": error opening " << OutputFilename
<< ":" << Error << "\n";
return 1;
}
if (!DependFilename.empty())
if (int Ret = createDependencyFile(Parser, argv0))
return Ret;
if (MainFn(Out.os(), Records))
return 1;
// Declare success.
Out.keep();
return 0;
} catch (const TGError &Error) {
PrintError(Error);
} catch (const std::string &Error) {
PrintError(Error);
} catch (const char *Error) {
PrintError(Error);
} catch (...) {
errs() << argv0 << ": Unknown unexpected exception occurred.\n";
}
return 1;
}
static int executeInput() {
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(&MemMgr);
// If we don't have any input files, read from stdin.
if (!InputFileList.size())
InputFileList.push_back("-");
for(unsigned i = 0, e = InputFileList.size(); i != e; ++i) {
// Load the input memory buffer.
OwningPtr<MemoryBuffer> InputBuffer;
OwningPtr<ObjectImage> LoadedObject;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFileList[i],
InputBuffer))
return Error("unable to read input: '" + ec.message() + "'");
// Load the object file
LoadedObject.reset(Dyld.loadObject(new ObjectBuffer(InputBuffer.take())));
if (!LoadedObject) {
return Error(Dyld.getErrorString());
}
}
// Resolve all the relocations we can.
Dyld.resolveRelocations();
// Clear instruction cache before code will be executed.
MemMgr.invalidateInstructionCache();
// FIXME: Error out if there are unresolved relocations.
// Get the address of the entry point (_main by default).
void *MainAddress = Dyld.getSymbolAddress(EntryPoint);
if (MainAddress == 0)
return Error("no definition for '" + EntryPoint + "'");
// Invalidate the instruction cache for each loaded function.
for (unsigned i = 0, e = MemMgr.FunctionMemory.size(); i != e; ++i) {
sys::MemoryBlock &Data = MemMgr.FunctionMemory[i];
// Make sure the memory is executable.
std::string ErrorStr;
sys::Memory::InvalidateInstructionCache(Data.base(), Data.size());
if (!sys::Memory::setExecutable(Data, &ErrorStr))
return Error("unable to mark function executable: '" + ErrorStr + "'");
}
// Dispatch to _main().
errs() << "loaded '" << EntryPoint << "' at: " << (void*)MainAddress << "\n";
int (*Main)(int, const char**) =
(int(*)(int,const char**)) uintptr_t(MainAddress);
const char **Argv = new const char*[2];
// Use the name of the first input object module as argv[0] for the target.
Argv[0] = InputFileList[0].c_str();
Argv[1] = 0;
return Main(1, Argv);
}
extern "C" LLVMMemoryBufferRef
LLVMRustCreateMemoryBufferWithContentsOfFile(const char *Path) {
OwningPtr<MemoryBuffer> buf;
error_code err = MemoryBuffer::getFile(Path, buf, -1, false);
if (err) {
LLVMRustSetLastError(err.message().c_str());
return NULL;
}
return wrap(buf.take());
}
// Open the archive and load just the symbol tables
Archive* Archive::OpenAndLoadSymbols(const sys::Path& File,
LLVMContext& C,
std::string* ErrorMessage) {
OwningPtr<Archive> result ( new Archive(File, C) );
if (result->mapToMemory(ErrorMessage))
return NULL;
if (!result->loadSymbolTable(ErrorMessage))
return NULL;
return result.take();
}
error_code Archive::Child::getAsBinary(OwningPtr<Binary> &Result) const {
OwningPtr<Binary> ret;
OwningPtr<MemoryBuffer> Buff;
if (error_code ec = getMemoryBuffer(Buff))
return ec;
if (error_code ec = createBinary(Buff.take(), ret))
return ec;
Result.swap(ret);
return object_error::success;
}
int main(int argc, char **argv) {
atexit(llvm_shutdown); // Call llvm_shutdown() on exit.
lav::parseArguments(argc, argv);
sys::PrintStackTraceOnErrorSignal();
// Load the bytecode...
// std::cout << std::endl << "Loading the bytecode..." << std::endl;
std::string ErrorMsg;
Module *mainModule = 0;
OwningPtr<MemoryBuffer> BufferPtr;
llvm::error_code ec =
MemoryBuffer::getFileOrSTDIN(InputFileName.c_str(), BufferPtr);
if (ec) {
lav::exit_error((std::string) "error loading program '%s': %s" +
InputFileName.c_str() + ec.message().c_str());
}
mainModule =
getLazyBitcodeModule(BufferPtr.get(), getGlobalContext(), &ErrorMsg);
if (mainModule) {
if (mainModule->MaterializeAllPermanently(&ErrorMsg)) {
delete mainModule;
mainModule = 0;
}
}
if (!mainModule)
lav::exit_error((std::string) "error loading program '%s': %s" +
InputFileName.c_str() + ErrorMsg.c_str());
std::cout << "Loading the bytecode... Completed " << std::endl << std::endl;
PassManager Passes;
Passes.add(new llvm::DataLayout(mainModule));
Passes.add(createFCFGSimplificationPass()); // Clean up after IPCP & DAE
// Passes.add(createLoopInfoPass()); //
Passes.add(llvm::createLoopSimplifyPass());
Passes.add(lav::createPetljePass()); //
if (EnableInline)
Passes.add(createAllInlinerPass(
Threshold)); //Inline malo vece funkcije, parametar inlininga od 200 do
//milijardu, ako je bez argumenta postavljeno je na
//milijardu
Passes.run(*mainModule);
Podaci p(mainModule);
p.UradiPosao();
BufferPtr.take();
std::cout << "Finished " << std::endl << std::endl;
return 0;
}
error_code Archive::Child::getAsBinary(OwningPtr<Binary> &Result) const {
OwningPtr<Binary> ret;
OwningPtr<MemoryBuffer> Buff;
if (error_code ec = getMemoryBuffer(Buff))
return ec;
ErrorOr<Binary *> BinaryOrErr = createBinary(Buff.take());
if (error_code EC = BinaryOrErr.getError())
return EC;
Result.reset(BinaryOrErr.get());
return object_error::success;
}
Module *llvm::ParseIRFile(const std::string &Filename, SMDiagnostic &Err,
LLVMContext &Context) {
OwningPtr<MemoryBuffer> File;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
"Could not open input file: " + ec.message());
return 0;
}
return ParseIR(File.take(), Err, Context);
}
bool
Archive::mapToMemory(std::string* ErrMsg) {
OwningPtr<MemoryBuffer> File;
if (error_code ec = MemoryBuffer::getFile(archPath.c_str(), File)) {
if (ErrMsg)
*ErrMsg = ec.message();
return true;
}
mapfile = File.take();
base = mapfile->getBufferStart();
return false;
}
