int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal(argv[0]);
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv, "llvm dwarf dumper\n");
// Defaults to a.out if no filenames specified.
if (InputFilenames.size() == 0)
InputFilenames.push_back("a.out");
// Expand any .dSYM bundles to the individual object files contained therein.
std::vector<std::string> Objects;
for (const auto &F : InputFilenames) {
auto Objs = expandBundle(F);
Objects.insert(Objects.end(), Objs.begin(), Objs.end());
}
std::for_each(Objects.begin(), Objects.end(), DumpInput);
return EXIT_SUCCESS;
}
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv, "llvm object size dumper\n");
ToolName = argv[0];
if (OutputFormatShort.getNumOccurrences())
OutputFormat = OutputFormatShort;
if (RadixShort.getNumOccurrences())
Radix = RadixShort;
for (unsigned i = 0; i < ArchFlags.size(); ++i) {
if (ArchFlags[i] == "all") {
ArchAll = true;
} else {
Triple T = MachOObjectFile::getArch(ArchFlags[i]);
if (T.getArch() == Triple::UnknownArch) {
outs() << ToolName << ": for the -arch option: Unknown architecture "
<< "named '" << ArchFlags[i] << "'";
return 1;
}
}
}
if (InputFilenames.size() == 0)
InputFilenames.push_back("a.out");
moreThanOneFile = InputFilenames.size() > 1;
std::for_each(InputFilenames.begin(), InputFilenames.end(),
PrintFileSectionSizes);
return 0;
}
// Load and link the objects specified on the command line, but do not execute
// anything. Instead, attach a RuntimeDyldChecker instance and call it to
// verify the correctness of the linked memory.
static int linkAndVerify() {
// Check for missing triple.
if (TripleName == "") {
llvm::errs() << "Error: -triple required when running in -verify mode.\n";
return 1;
}
// Look up the target and build the disassembler.
Triple TheTriple(Triple::normalize(TripleName));
std::string ErrorStr;
const Target *TheTarget =
TargetRegistry::lookupTarget("", TheTriple, ErrorStr);
if (!TheTarget) {
llvm::errs() << "Error accessing target '" << TripleName << "': "
<< ErrorStr << "\n";
return 1;
}
TripleName = TheTriple.getTriple();
std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(TripleName, "", ""));
assert(STI && "Unable to create subtarget info!");
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
assert(MRI && "Unable to create target register info!");
std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, TripleName));
assert(MAI && "Unable to create target asm info!");
MCContext Ctx(MAI.get(), MRI.get(), nullptr);
std::unique_ptr<MCDisassembler> Disassembler(
TheTarget->createMCDisassembler(*STI, Ctx));
assert(Disassembler && "Unable to create disassembler!");
std::unique_ptr<MCInstrInfo> MII(TheTarget->createMCInstrInfo());
std::unique_ptr<MCInstPrinter> InstPrinter(
TheTarget->createMCInstPrinter(0, *MAI, *MII, *MRI, *STI));
// Load any dylibs requested on the command line.
loadDylibs();
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(&MemMgr);
RuntimeDyldChecker Checker(Dyld, Disassembler.get(), InstPrinter.get(),
llvm::dbgs());
// 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.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(InputFileList[i]);
if (std::error_code EC = InputBuffer.getError())
return Error("unable to read input: '" + EC.message() + "'");
std::unique_ptr<ObjectImage> LoadedObject;
// Load the object file
LoadedObject.reset(
Dyld.loadObject(new ObjectBuffer(InputBuffer.get().release())));
if (!LoadedObject) {
return Error(Dyld.getErrorString());
}
}
// Re-map the section addresses into the phony target address space.
remapSections(TheTriple, MemMgr, Dyld);
// Resolve all the relocations we can.
Dyld.resolveRelocations();
int ErrorCode = checkAllExpressions(Checker);
if (Dyld.hasError()) {
errs() << "RTDyld reported an error applying relocations:\n "
<< Dyld.getErrorString() << "\n";
ErrorCode = 1;
}
return ErrorCode;
}
static int printLineInfoForInput() {
// Load any dylibs requested on the command line.
loadDylibs();
// 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.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(InputFileList[i]);
if (std::error_code EC = InputBuffer.getError())
return Error("unable to read input: '" + EC.message() + "'");
std::unique_ptr<ObjectImage> LoadedObject;
// Load the object file
LoadedObject.reset(
Dyld.loadObject(new ObjectBuffer(InputBuffer.get().release())));
if (!LoadedObject) {
return Error(Dyld.getErrorString());
}
// Resolve all the relocations we can.
Dyld.resolveRelocations();
std::unique_ptr<DIContext> Context(
DIContext::getDWARFContext(*LoadedObject->getObjectFile()));
// Use symbol info to iterate functions in the object.
for (object::symbol_iterator I = LoadedObject->begin_symbols(),
E = LoadedObject->end_symbols();
I != E; ++I) {
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.FileName << ", line:" << It->second.Line << "\n";
}
}
}
}
return 0;
}
// Load and link the objects specified on the command line, but do not execute
// anything. Instead, attach a RuntimeDyldChecker instance and call it to
// verify the correctness of the linked memory.
static int linkAndVerify() {
// Check for missing triple.
if (TripleName == "")
ErrorAndExit("-triple required when running in -verify mode.");
// Look up the target and build the disassembler.
Triple TheTriple(Triple::normalize(TripleName));
std::string ErrorStr;
const Target *TheTarget =
TargetRegistry::lookupTarget("", TheTriple, ErrorStr);
if (!TheTarget)
ErrorAndExit("Error accessing target '" + TripleName + "': " + ErrorStr);
TripleName = TheTriple.getTriple();
std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(TripleName, MCPU, ""));
if (!STI)
ErrorAndExit("Unable to create subtarget info!");
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
if (!MRI)
ErrorAndExit("Unable to create target register info!");
std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, TripleName));
if (!MAI)
ErrorAndExit("Unable to create target asm info!");
MCContext Ctx(MAI.get(), MRI.get(), nullptr);
std::unique_ptr<MCDisassembler> Disassembler(
TheTarget->createMCDisassembler(*STI, Ctx));
if (!Disassembler)
ErrorAndExit("Unable to create disassembler!");
std::unique_ptr<MCInstrInfo> MII(TheTarget->createMCInstrInfo());
std::unique_ptr<MCInstPrinter> InstPrinter(
TheTarget->createMCInstPrinter(Triple(TripleName), 0, *MAI, *MII, *MRI));
// Load any dylibs requested on the command line.
loadDylibs();
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
doPreallocation(MemMgr);
RuntimeDyld Dyld(MemMgr, MemMgr);
Dyld.setProcessAllSections(true);
RuntimeDyldChecker Checker(Dyld, Disassembler.get(), InstPrinter.get(),
llvm::dbgs());
// If we don't have any input files, read from stdin.
if (!InputFileList.size())
InputFileList.push_back("-");
for (auto &Filename : InputFileList) {
// Load the input memory buffer.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(Filename);
if (std::error_code EC = InputBuffer.getError())
ErrorAndExit("unable to read input: '" + EC.message() + "'");
Expected<std::unique_ptr<ObjectFile>> MaybeObj(
ObjectFile::createObjectFile((*InputBuffer)->getMemBufferRef()));
if (!MaybeObj) {
std::string Buf;
raw_string_ostream OS(Buf);
logAllUnhandledErrors(MaybeObj.takeError(), OS, "");
OS.flush();
ErrorAndExit("unable to create object file: '" + Buf + "'");
}
ObjectFile &Obj = **MaybeObj;
// Load the object file
Dyld.loadObject(Obj);
if (Dyld.hasError()) {
ErrorAndExit(Dyld.getErrorString());
}
}
// Re-map the section addresses into the phony target address space and add
// dummy symbols.
remapSectionsAndSymbols(TheTriple, MemMgr, Checker);
// Resolve all the relocations we can.
Dyld.resolveRelocations();
// Register EH frames.
Dyld.registerEHFrames();
int ErrorCode = checkAllExpressions(Checker);
if (Dyld.hasError())
ErrorAndExit("RTDyld reported an error applying relocations:\n " +
Dyld.getErrorString());
return ErrorCode;
}
static int executeInput() {
// Load any dylibs requested on the command line.
loadDylibs();
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
doPreallocation(MemMgr);
RuntimeDyld Dyld(MemMgr, MemMgr);
// If we don't have any input files, read from stdin.
if (!InputFileList.size())
InputFileList.push_back("-");
for (auto &File : InputFileList) {
// Load the input memory buffer.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(File);
if (std::error_code EC = InputBuffer.getError())
ErrorAndExit("unable to read input: '" + EC.message() + "'");
Expected<std::unique_ptr<ObjectFile>> MaybeObj(
ObjectFile::createObjectFile((*InputBuffer)->getMemBufferRef()));
if (!MaybeObj) {
std::string Buf;
raw_string_ostream OS(Buf);
logAllUnhandledErrors(MaybeObj.takeError(), OS, "");
OS.flush();
ErrorAndExit("unable to create object file: '" + Buf + "'");
}
ObjectFile &Obj = **MaybeObj;
// Load the object file
Dyld.loadObject(Obj);
if (Dyld.hasError()) {
ErrorAndExit(Dyld.getErrorString());
}
}
// Resove all the relocations we can.
// FIXME: Error out if there are unresolved relocations.
Dyld.resolveRelocations();
// Get the address of the entry point (_main by default).
void *MainAddress = Dyld.getSymbolLocalAddress(EntryPoint);
if (!MainAddress)
ErrorAndExit("no definition for '" + EntryPoint + "'");
// Invalidate the instruction cache for each loaded function.
for (auto &FM : MemMgr.FunctionMemory) {
// Make sure the memory is executable.
// setExecutable will call InvalidateInstructionCache.
std::string ErrorStr;
if (!sys::Memory::setExecutable(FM, &ErrorStr))
ErrorAndExit("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] = nullptr;
return Main(1, Argv);
}
static int printLineInfoForInput(bool LoadObjects, bool UseDebugObj) {
assert(LoadObjects || !UseDebugObj);
// Load any dylibs requested on the command line.
loadDylibs();
// If we don't have any input files, read from stdin.
if (!InputFileList.size())
InputFileList.push_back("-");
for (auto &File : InputFileList) {
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(MemMgr, MemMgr);
// Load the input memory buffer.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(File);
if (std::error_code EC = InputBuffer.getError())
ErrorAndExit("unable to read input: '" + EC.message() + "'");
Expected<std::unique_ptr<ObjectFile>> MaybeObj(
ObjectFile::createObjectFile((*InputBuffer)->getMemBufferRef()));
if (!MaybeObj) {
std::string Buf;
raw_string_ostream OS(Buf);
logAllUnhandledErrors(MaybeObj.takeError(), OS, "");
OS.flush();
ErrorAndExit("unable to create object file: '" + Buf + "'");
}
ObjectFile &Obj = **MaybeObj;
OwningBinary<ObjectFile> DebugObj;
std::unique_ptr<RuntimeDyld::LoadedObjectInfo> LoadedObjInfo = nullptr;
ObjectFile *SymbolObj = &Obj;
if (LoadObjects) {
// Load the object file
LoadedObjInfo =
Dyld.loadObject(Obj);
if (Dyld.hasError())
ErrorAndExit(Dyld.getErrorString());
// Resolve all the relocations we can.
Dyld.resolveRelocations();
if (UseDebugObj) {
DebugObj = LoadedObjInfo->getObjectForDebug(Obj);
SymbolObj = DebugObj.getBinary();
LoadedObjInfo.reset();
}
}
std::unique_ptr<DIContext> Context(
new DWARFContextInMemory(*SymbolObj,LoadedObjInfo.get()));
std::vector<std::pair<SymbolRef, uint64_t>> SymAddr =
object::computeSymbolSizes(*SymbolObj);
// Use symbol info to iterate functions in the object.
for (const auto &P : SymAddr) {
object::SymbolRef Sym = P.first;
Expected<SymbolRef::Type> TypeOrErr = Sym.getType();
if (!TypeOrErr) {
// TODO: Actually report errors helpfully.
consumeError(TypeOrErr.takeError());
continue;
}
SymbolRef::Type Type = *TypeOrErr;
if (Type == object::SymbolRef::ST_Function) {
Expected<StringRef> Name = Sym.getName();
if (!Name) {
// TODO: Actually report errors helpfully.
consumeError(Name.takeError());
continue;
}
Expected<uint64_t> AddrOrErr = Sym.getAddress();
if (!AddrOrErr) {
// TODO: Actually report errors helpfully.
consumeError(AddrOrErr.takeError());
continue;
}
uint64_t Addr = *AddrOrErr;
uint64_t Size = P.second;
// If we're not using the debug object, compute the address of the
// symbol in memory (rather than that in the unrelocated object file)
// and use that to query the DWARFContext.
if (!UseDebugObj && LoadObjects) {
auto SecOrErr = Sym.getSection();
if (!SecOrErr) {
// TODO: Actually report errors helpfully.
consumeError(SecOrErr.takeError());
continue;
}
object::section_iterator Sec = *SecOrErr;
StringRef SecName;
Sec->getName(SecName);
uint64_t SectionLoadAddress =
LoadedObjInfo->getSectionLoadAddress(*Sec);
if (SectionLoadAddress != 0)
Addr += SectionLoadAddress - Sec->getAddress();
}
outs() << "Function: " << *Name << ", Size = " << Size
<< ", Addr = " << Addr << "\n";
DILineInfoTable Lines = Context->getLineInfoForAddressRange(Addr, Size);
for (auto &D : Lines) {
outs() << " Line info @ " << D.first - Addr << ": "
<< D.second.FileName << ", line:" << D.second.Line << "\n";
}
}
}
}
return 0;
}
// I don't think there's a way to specify an initial value for cl::list,
// so if nothing was specified, add the default
static void AddCheckPrefixIfNeeded() {
if (CheckPrefixes.empty())
CheckPrefixes.push_back("CHECK");
}
// Load and link the objects specified on the command line, but do not execute
// anything. Instead, attach a RuntimeDyldChecker instance and call it to
// verify the correctness of the linked memory.
static int linkAndVerify() {
// Check for missing triple.
if (TripleName == "") {
llvm::errs() << "Error: -triple required when running in -verify mode.\n";
return 1;
}
// Look up the target and build the disassembler.
Triple TheTriple(Triple::normalize(TripleName));
std::string ErrorStr;
const Target *TheTarget =
TargetRegistry::lookupTarget("", TheTriple, ErrorStr);
if (!TheTarget) {
llvm::errs() << "Error accessing target '" << TripleName << "': "
<< ErrorStr << "\n";
return 1;
}
TripleName = TheTriple.getTriple();
std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(TripleName, "", ""));
assert(STI && "Unable to create subtarget info!");
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
assert(MRI && "Unable to create target register info!");
std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, TripleName));
assert(MAI && "Unable to create target asm info!");
MCContext Ctx(MAI.get(), MRI.get(), nullptr);
std::unique_ptr<MCDisassembler> Disassembler(
TheTarget->createMCDisassembler(*STI, Ctx));
assert(Disassembler && "Unable to create disassembler!");
std::unique_ptr<MCInstrInfo> MII(TheTarget->createMCInstrInfo());
std::unique_ptr<MCInstPrinter> InstPrinter(
TheTarget->createMCInstPrinter(Triple(TripleName), 0, *MAI, *MII, *MRI));
// Load any dylibs requested on the command line.
loadDylibs();
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(MemMgr, MemMgr);
Dyld.setProcessAllSections(true);
RuntimeDyldChecker Checker(Dyld, Disassembler.get(), InstPrinter.get(),
llvm::dbgs());
// FIXME: Preserve buffers until resolveRelocations time to work around a bug
// in RuntimeDyldELF.
// This fixme should be fixed ASAP. This is a very brittle workaround.
std::vector<std::unique_ptr<MemoryBuffer>> InputBuffers;
// 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.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(InputFileList[i]);
if (std::error_code EC = InputBuffer.getError())
return Error("unable to read input: '" + EC.message() + "'");
ErrorOr<std::unique_ptr<ObjectFile>> MaybeObj(
ObjectFile::createObjectFile((*InputBuffer)->getMemBufferRef()));
if (std::error_code EC = MaybeObj.getError())
return Error("unable to create object file: '" + EC.message() + "'");
ObjectFile &Obj = **MaybeObj;
InputBuffers.push_back(std::move(*InputBuffer));
// Load the object file
Dyld.loadObject(Obj);
if (Dyld.hasError()) {
return Error(Dyld.getErrorString());
}
}
// Re-map the section addresses into the phony target address space.
remapSections(TheTriple, MemMgr, Checker);
// Resolve all the relocations we can.
Dyld.resolveRelocations();
// Register EH frames.
Dyld.registerEHFrames();
int ErrorCode = checkAllExpressions(Checker);
if (Dyld.hasError()) {
errs() << "RTDyld reported an error applying relocations:\n "
<< Dyld.getErrorString() << "\n";
ErrorCode = 1;
}
return ErrorCode;
}
static int executeInput() {
// Load any dylibs requested on the command line.
loadDylibs();
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(MemMgr, MemMgr);
// FIXME: Preserve buffers until resolveRelocations time to work around a bug
// in RuntimeDyldELF.
// This fixme should be fixed ASAP. This is a very brittle workaround.
std::vector<std::unique_ptr<MemoryBuffer>> InputBuffers;
// 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.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(InputFileList[i]);
if (std::error_code EC = InputBuffer.getError())
return Error("unable to read input: '" + EC.message() + "'");
ErrorOr<std::unique_ptr<ObjectFile>> MaybeObj(
ObjectFile::createObjectFile((*InputBuffer)->getMemBufferRef()));
if (std::error_code EC = MaybeObj.getError())
return Error("unable to create object file: '" + EC.message() + "'");
ObjectFile &Obj = **MaybeObj;
InputBuffers.push_back(std::move(*InputBuffer));
// Load the object file
Dyld.loadObject(Obj);
if (Dyld.hasError()) {
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.getSymbolLocalAddress(EntryPoint);
if (!MainAddress)
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] = nullptr;
return Main(1, Argv);
}
// Returns true on error.
static bool format(StringRef FileName) {
ErrorOr<std::unique_ptr<MemoryBuffer>> CodeOrErr =
MemoryBuffer::getFileOrSTDIN(FileName);
if (std::error_code EC = CodeOrErr.getError()) {
llvm::errs() << EC.message() << "\n";
return true;
}
std::unique_ptr<llvm::MemoryBuffer> Code = std::move(CodeOrErr.get());
if (Code->getBufferSize() == 0)
return false; // Empty files are formatted correctly.
FormatterDocument Doc(std::move(Code));
if (!Offsets.empty() || !Lengths.empty()) {
if (Offsets.size() != Lengths.size()) {
llvm::errs() << "error: number of offsets not equal to number of lengths.\n";
return true;
}
for ( unsigned i=0 ; i < Offsets.size() ; i++ ) {
unsigned FromLine = Doc.getLineAndColumn(Offsets[i]).first;
unsigned ToLine = Doc.getLineAndColumn(Offsets[i] + Lengths[i]).first;
if (ToLine == 0) {
llvm::errs() << "error: offset + length after end of file\n";
return true;
}
std::ostringstream s;
s << FromLine << ":" << ToLine;
LineRanges.push_back(s.str());
}
}
if (LineRanges.empty())
LineRanges.push_back("1:999999");
std::string Output = Doc.memBuffer().getBuffer();
Replacements Replaces;
for ( unsigned Range = 0 ; Range < LineRanges.size() ; Range++ ) {
unsigned FromLine, ToLine;
if (parseLineRange(LineRanges[Range], FromLine, ToLine)) {
llvm::errs() << "error: invalid <start line>:<end line> pair\n";
return true;
}
if (FromLine > ToLine) {
llvm::errs() << "error: start line should be less than end line\n";
return true;
}
for ( unsigned Line = FromLine ; Line<=ToLine ; Line++ ) {
size_t Offset = getOffsetOfLine(Line,Output);
ssize_t Length = getOffsetOfLine(Line+1,Output)-1-Offset;
if (Length < 0)
break;
std::string Formatted = Doc.reformat(LineRange(Line,1), FormatOptions).second;
if (Formatted.find_first_not_of(" \t\v\f", 0) == StringRef::npos)
Formatted = "";
if (Formatted == Output.substr(Offset, Length))
continue;
Output.replace(Offset, Length, Formatted);
Doc.updateCode(std::move(MemoryBuffer::getMemBuffer(Output)));
Replaces.insert(clang::tooling::Replacement(FileName, Offset, Length, Formatted));
}
}
if (OutputXML) {
llvm::outs() << "<?xml version='1.0'?>\n<replacements>\n";
outputReplacementsXML(Replaces);
llvm::outs() << "</replacements>\n";
} else {
if (Inplace) {
if (FileName == "-") {
llvm::errs() << "error: cannot use -i when reading from stdin.\n";
return true;
}
else {
std::error_code EC;
raw_fd_ostream writer(FileName, EC, llvm::sys::fs::F_None);
if (EC) {
llvm::errs() << "error: writing " << FileName << ": " << EC.message() << "\n";
return true;
}
writer << Output;
}
} else {
llvm::outs() << Output;
}
}
return false;
}
static int printLineInfoForInput(bool LoadObjects, bool UseDebugObj) {
assert(LoadObjects || !UseDebugObj);
// Load any dylibs requested on the command line.
loadDylibs();
// 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, MemMgr);
// Load the input memory buffer.
ErrorOr<std::unique_ptr<MemoryBuffer>> InputBuffer =
MemoryBuffer::getFileOrSTDIN(InputFileList[i]);
if (std::error_code EC = InputBuffer.getError())
return Error("unable to read input: '" + EC.message() + "'");
ErrorOr<std::unique_ptr<ObjectFile>> MaybeObj(
ObjectFile::createObjectFile((*InputBuffer)->getMemBufferRef()));
if (std::error_code EC = MaybeObj.getError())
return Error("unable to create object file: '" + EC.message() + "'");
ObjectFile &Obj = **MaybeObj;
OwningBinary<ObjectFile> DebugObj;
std::unique_ptr<RuntimeDyld::LoadedObjectInfo> LoadedObjInfo = nullptr;
ObjectFile *SymbolObj = &Obj;
if (LoadObjects) {
// Load the object file
LoadedObjInfo =
Dyld.loadObject(Obj);
if (Dyld.hasError())
return Error(Dyld.getErrorString());
// Resolve all the relocations we can.
Dyld.resolveRelocations();
if (UseDebugObj) {
DebugObj = LoadedObjInfo->getObjectForDebug(Obj);
SymbolObj = DebugObj.getBinary();
LoadedObjInfo.reset();
}
}
std::unique_ptr<DIContext> Context(
new DWARFContextInMemory(*SymbolObj,LoadedObjInfo.get()));
std::vector<std::pair<SymbolRef, uint64_t>> SymAddr =
object::computeSymbolSizes(*SymbolObj);
// Use symbol info to iterate functions in the object.
for (const auto &P : SymAddr) {
object::SymbolRef Sym = P.first;
if (Sym.getType() == object::SymbolRef::ST_Function) {
ErrorOr<StringRef> Name = Sym.getName();
if (!Name)
continue;
ErrorOr<uint64_t> AddrOrErr = Sym.getAddress();
if (!AddrOrErr)
continue;
uint64_t Addr = *AddrOrErr;
uint64_t Size = P.second;
// If we're not using the debug object, compute the address of the
// symbol in memory (rather than that in the unrelocated object file)
// and use that to query the DWARFContext.
if (!UseDebugObj && LoadObjects) {
object::section_iterator Sec(SymbolObj->section_end());
Sym.getSection(Sec);
StringRef SecName;
Sec->getName(SecName);
uint64_t SectionLoadAddress =
LoadedObjInfo->getSectionLoadAddress(*Sec);
if (SectionLoadAddress != 0)
Addr += SectionLoadAddress - Sec->getAddress();
}
outs() << "Function: " << *Name << ", Size = " << Size
<< ", Addr = " << Addr << "\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.FileName << ", line:" << It->second.Line << "\n";
}
}
}
}
return 0;
}
/// EmitShellScript - Output the wrapper file that invokes the JIT on the LLVM
/// bitcode file for the program.
static void EmitShellScript(char **argv, Module *M) {
if (Verbose)
errs() << "Emitting Shell Script\n";
#if defined(_WIN32)
// Windows doesn't support #!/bin/sh style shell scripts in .exe files. To
// support windows systems, we copy the llvm-stub.exe executable from the
// build tree to the destination file.
std::string ErrMsg;
sys::Path llvmstub = PrependMainExecutablePath("llvm-stub", argv[0],
(void *)(intptr_t)&Optimize);
if (llvmstub.isEmpty())
PrintAndExit("Could not find llvm-stub.exe executable!", M);
if (0 != sys::CopyFile(sys::Path(OutputFilename), llvmstub, &ErrMsg))
PrintAndExit(ErrMsg, M);
return;
#endif
// Output the script to start the program...
std::string ErrorInfo;
tool_output_file Out2(OutputFilename.c_str(), ErrorInfo);
if (!ErrorInfo.empty())
PrintAndExit(ErrorInfo, M);
Out2.os() << "#!/bin/sh\n";
// Allow user to setenv LLVMINTERP if lli is not in their PATH.
Out2.os() << "lli=${LLVMINTERP-lli}\n";
Out2.os() << "exec $lli \\\n";
// gcc accepts -l<lib> and implicitly searches /lib and /usr/lib.
LibPaths.push_back("/lib");
LibPaths.push_back("/usr/lib");
LibPaths.push_back("/usr/X11R6/lib");
// We don't need to link in libc! In fact, /usr/lib/libc.so may not be a
// shared object at all! See RH 8: plain text.
std::vector<std::string>::iterator libc =
std::find(Libraries.begin(), Libraries.end(), "c");
if (libc != Libraries.end()) Libraries.erase(libc);
// List all the shared object (native) libraries this executable will need
// on the command line, so that we don't have to do this manually!
for (std::vector<std::string>::iterator i = Libraries.begin(),
e = Libraries.end(); i != e; ++i) {
// try explicit -L arguments first:
sys::Path FullLibraryPath;
for (cl::list<std::string>::const_iterator P = LibPaths.begin(),
E = LibPaths.end(); P != E; ++P) {
FullLibraryPath = *P;
FullLibraryPath.appendComponent("lib" + *i);
FullLibraryPath.appendSuffix(sys::Path::GetDLLSuffix());
if (!FullLibraryPath.isEmpty()) {
if (!FullLibraryPath.isDynamicLibrary()) {
// Not a native shared library; mark as invalid
FullLibraryPath = sys::Path();
} else break;
}
}
if (FullLibraryPath.isEmpty())
FullLibraryPath = sys::Path::FindLibrary(*i);
if (!FullLibraryPath.isEmpty())
Out2.os() << " -load=" << FullLibraryPath.str() << " \\\n";
}
Out2.os() << " " << BitcodeOutputFilename << " ${1+\"$@\"}\n";
Out2.keep();
}