//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Errc.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
+#include "llvm/Support/LineIterator.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
+#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
static const char *TemporaryOutput;
static int TmpArchiveFD = -1;
-// fail - Show the error message and exit.
+// Show the error message and exit.
LLVM_ATTRIBUTE_NORETURN static void fail(Twine Error) {
outs() << ToolName << ": " << Error << ".\n";
if (TmpArchiveFD != -1)
exit(1);
}
-static void failIfError(error_code EC, Twine Context = "") {
+static void failIfError(std::error_code EC, Twine Context = "") {
if (!EC)
return;
fail(Context + ": " + EC.message());
}
-// Option for compatibility with AIX, not used but must allow it to be present.
-static cl::opt<bool>
-X32Option ("X32_64", cl::Hidden,
- cl::desc("Ignored option for compatibility with AIX"));
+// llvm-ar/llvm-ranlib remaining positional arguments.
+static cl::list<std::string>
+ RestOfArgs(cl::Positional, cl::ZeroOrMore,
+ cl::desc("[relpos] [count] <archive-file> [members]..."));
-// llvm-ar operation code and modifier flags. This must come first.
-static cl::opt<std::string>
-Options(cl::Positional, cl::Required, cl::desc("{operation}[modifiers]..."));
+static cl::opt<bool> MRI("M", cl::desc(""));
-// llvm-ar remaining positional arguments.
-static cl::list<std::string>
-RestOfArgs(cl::Positional, cl::OneOrMore,
- cl::desc("[relpos] [count] <archive-file> [members]..."));
+std::string Options;
-// MoreHelp - Provide additional help output explaining the operations and
-// modifiers of llvm-ar. This object instructs the CommandLine library
-// to print the text of the constructor when the --help option is given.
+// Provide additional help output explaining the operations and modifiers of
+// llvm-ar. This object instructs the CommandLine library to print the text of
+// the constructor when the --help option is given.
static cl::extrahelp MoreHelp(
"\nOPERATIONS:\n"
" d[NsS] - delete file(s) from the archive\n"
QuickAppend, ///< Quickly append to end of archive
ReplaceOrInsert, ///< Replace or Insert members
DisplayTable, ///< Display the table of contents
- Extract ///< Extract files back to file system
+ Extract, ///< Extract files back to file system
+ CreateSymTab ///< Create a symbol table in an existing archive
};
// Modifiers to follow operation to vary behavior
// This variable holds the list of member files to proecess, as given
// on the command line.
-static std::vector<std::string> Members;
+static std::vector<StringRef> Members;
-// show_help - Show the error message, the help message and exit.
+// Show the error message, the help message and exit.
LLVM_ATTRIBUTE_NORETURN static void
show_help(const std::string &msg) {
errs() << ToolName << ": " << msg << "\n\n";
std::exit(1);
}
-// getRelPos - Extract the member filename from the command line for
-// the [relpos] argument associated with a, b, and i modifiers
+// Extract the member filename from the command line for the [relpos] argument
+// associated with a, b, and i modifiers
static void getRelPos() {
if(RestOfArgs.size() == 0)
show_help("Expected [relpos] for a, b, or i modifier");
RestOfArgs.erase(RestOfArgs.begin());
}
-// getArchive - Get the archive file name from the command line
+static void getOptions() {
+ if(RestOfArgs.size() == 0)
+ show_help("Expected options");
+ Options = RestOfArgs[0];
+ RestOfArgs.erase(RestOfArgs.begin());
+}
+
+// Get the archive file name from the command line
static void getArchive() {
if(RestOfArgs.size() == 0)
show_help("An archive name must be specified");
RestOfArgs.erase(RestOfArgs.begin());
}
-// getMembers - Copy over remaining items in RestOfArgs to our Members vector
-// This is just for clarity.
+// Copy over remaining items in RestOfArgs to our Members vector
static void getMembers() {
- if(RestOfArgs.size() > 0)
- Members = std::vector<std::string>(RestOfArgs);
+ for (auto &Arg : RestOfArgs)
+ Members.push_back(Arg);
+}
+
+namespace {
+enum class MRICommand { AddMod, Create, Save, End, Invalid };
+}
+
+static std::vector<std::string> MRIMembers;
+static ArchiveOperation parseMRIScript() {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> Buf = MemoryBuffer::getSTDIN();
+ failIfError(Buf.getError());
+ const MemoryBuffer &Ref = *Buf.get();
+ bool Saved = false;
+
+ for (line_iterator I(Ref, /*SkipBlanks*/ true, ';'), E; I != E; ++I) {
+ StringRef Line = *I;
+ StringRef CommandStr, Rest;
+ std::tie(CommandStr, Rest) = Line.split(' ');
+ auto Command = StringSwitch<MRICommand>(CommandStr.lower())
+ .Case("addmod", MRICommand::AddMod)
+ .Case("create", MRICommand::Create)
+ .Case("save", MRICommand::Save)
+ .Case("end", MRICommand::End)
+ .Default(MRICommand::Invalid);
+
+ switch (Command) {
+ case MRICommand::AddMod:
+ MRIMembers.push_back(Rest);
+ break;
+ case MRICommand::Create:
+ Create = true;
+ if (!ArchiveName.empty())
+ fail("Editing multiple archives not supported");
+ if (Saved)
+ fail("File already saved");
+ ArchiveName = Rest;
+ break;
+ case MRICommand::Save:
+ Saved = true;
+ break;
+ case MRICommand::End:
+ break;
+ case MRICommand::Invalid:
+ fail("Unknown command: " + CommandStr);
+ }
+ }
+
+ // Nothing to do if not saved.
+ if (!Saved)
+ exit(0);
+
+ for (auto &M : MRIMembers)
+ Members.push_back(M);
+
+ return ReplaceOrInsert;
}
-// parseCommandLine - Parse the command line options as presented and return the
-// operation specified. Process all modifiers and check to make sure that
-// constraints on modifier/operation pairs have not been violated.
+// Parse the command line options as presented and return the operation
+// specified. Process all modifiers and check to make sure that constraints on
+// modifier/operation pairs have not been violated.
static ArchiveOperation parseCommandLine() {
+ if (MRI) {
+ if (!RestOfArgs.empty())
+ fail("Cannot mix -M and other options");
+ return parseMRIScript();
+ }
+
+ getOptions();
// Keep track of number of operations. We can only specify one
// per execution.
// Keep track of which operation was requested
ArchiveOperation Operation;
+ bool MaybeJustCreateSymTab = false;
+
for(unsigned i=0; i<Options.size(); ++i) {
switch(Options[i]) {
case 'd': ++NumOperations; Operation = Delete; break;
case 'o': OriginalDates = true; break;
case 's':
Symtab = true;
+ MaybeJustCreateSymTab = true;
break;
case 'S':
Symtab = false;
// Everything on the command line at this point is a member.
getMembers();
+ if (NumOperations == 0 && MaybeJustCreateSymTab) {
+ NumOperations = 1;
+ Operation = CreateSymTab;
+ if (!Members.empty())
+ show_help("The s operation takes only an archive as argument");
+ }
+
// Perform various checks on the operation/modifier specification
// to make sure we are dealing with a legal request.
if (NumOperations == 0)
outs().write(Data.data(), Data.size());
}
-// putMode - utility function for printing out the file mode when the 't'
-// operation is in verbose mode.
+// Utility function for printing out the file mode when the 't' operation is in
+// verbose mode.
static void printMode(unsigned mode) {
if (mode & 004)
outs() << "r";
int FD;
failIfError(
- sys::fs::openFileForWrite(Storage.c_str(), FD, sys::fs::F_Binary, Mode),
+ sys::fs::openFileForWrite(Storage.c_str(), FD, sys::fs::F_None, Mode),
Storage.c_str());
{
case Move:
case DisplayTable:
case Extract:
+ case CreateSymTab:
return false;
case QuickAppend:
static void performReadOperation(ArchiveOperation Operation,
object::Archive *OldArchive) {
- for (object::Archive::child_iterator I = OldArchive->begin_children(),
- E = OldArchive->end_children();
+ for (object::Archive::child_iterator I = OldArchive->child_begin(),
+ E = OldArchive->child_end();
I != E; ++I) {
- StringRef Name;
- failIfError(I->getName(Name));
+ ErrorOr<StringRef> NameOrErr = I->getName();
+ failIfError(NameOrErr.getError());
+ StringRef Name = NameOrErr.get();
if (!Members.empty() &&
std::find(Members.begin(), Members.end(), Name) == Members.end())
class NewArchiveIterator {
bool IsNewMember;
StringRef Name;
+
object::Archive::child_iterator OldI;
- std::string NewFilename;
+
+ StringRef NewFilename;
+ mutable int NewFD;
+ mutable sys::fs::file_status NewStatus;
public:
NewArchiveIterator(object::Archive::child_iterator I, StringRef Name);
- NewArchiveIterator(std::string *I, StringRef Name);
+ NewArchiveIterator(StringRef I, StringRef Name);
NewArchiveIterator();
bool isNewMember() const;
- object::Archive::child_iterator getOld() const;
- const char *getNew() const;
StringRef getName() const;
+
+ object::Archive::child_iterator getOld() const;
+
+ StringRef getNew() const;
+ int getFD() const;
+ const sys::fs::file_status &getStatus() const;
};
}
StringRef Name)
: IsNewMember(false), Name(Name), OldI(I) {}
-NewArchiveIterator::NewArchiveIterator(std::string *NewFilename, StringRef Name)
- : IsNewMember(true), Name(Name), NewFilename(*NewFilename) {}
+NewArchiveIterator::NewArchiveIterator(StringRef NewFilename, StringRef Name)
+ : IsNewMember(true), Name(Name), NewFilename(NewFilename), NewFD(-1) {}
StringRef NewArchiveIterator::getName() const { return Name; }
return OldI;
}
-const char *NewArchiveIterator::getNew() const {
+StringRef NewArchiveIterator::getNew() const {
+ assert(IsNewMember);
+ return NewFilename;
+}
+
+int NewArchiveIterator::getFD() const {
assert(IsNewMember);
- return NewFilename.c_str();
+ if (NewFD != -1)
+ return NewFD;
+ failIfError(sys::fs::openFileForRead(NewFilename, NewFD), NewFilename);
+ assert(NewFD != -1);
+
+ failIfError(sys::fs::status(NewFD, NewStatus), NewFilename);
+
+ // Opening a directory doesn't make sense. Let it fail.
+ // Linux cannot open directories with open(2), although
+ // cygwin and *bsd can.
+ if (NewStatus.type() == sys::fs::file_type::directory_file)
+ failIfError(make_error_code(errc::is_a_directory), NewFilename);
+
+ return NewFD;
+}
+
+const sys::fs::file_status &NewArchiveIterator::getStatus() const {
+ assert(IsNewMember);
+ assert(NewFD != -1 && "Must call getFD first");
+ return NewStatus;
}
template <typename T>
Members[Pos] = NI;
}
-namespace {
-class HasName {
- StringRef Name;
-
-public:
- HasName(StringRef Name) : Name(Name) {}
- bool operator()(StringRef Path) { return Name == sys::path::filename(Path); }
-};
-}
-
enum InsertAction {
IA_AddOldMember,
IA_AddNewMeber,
IA_MoveNewMember
};
-static InsertAction
-computeInsertAction(ArchiveOperation Operation,
- object::Archive::child_iterator I, StringRef Name,
- std::vector<std::string>::iterator &Pos) {
+static InsertAction computeInsertAction(ArchiveOperation Operation,
+ object::Archive::child_iterator I,
+ StringRef Name,
+ std::vector<StringRef>::iterator &Pos) {
if (Operation == QuickAppend || Members.empty())
return IA_AddOldMember;
- std::vector<std::string>::iterator MI =
- std::find_if(Members.begin(), Members.end(), HasName(Name));
+ auto MI =
+ std::find_if(Members.begin(), Members.end(), [Name](StringRef Path) {
+ return Name == sys::path::filename(Path);
+ });
if (MI == Members.end())
return IA_AddOldMember;
// We could try to optimize this to a fstat, but it is not a common
// operation.
sys::fs::file_status Status;
- failIfError(sys::fs::status(*MI, Status));
+ failIfError(sys::fs::status(*MI, Status), *MI);
if (Status.getLastModificationTime() < I->getLastModified()) {
if (PosName.empty())
return IA_AddOldMember;
int InsertPos = -1;
StringRef PosName = sys::path::filename(RelPos);
if (OldArchive) {
- for (object::Archive::child_iterator I = OldArchive->begin_children(),
- E = OldArchive->end_children();
+ for (object::Archive::child_iterator I = OldArchive->child_begin(),
+ E = OldArchive->child_end();
I != E; ++I) {
int Pos = Ret.size();
- StringRef Name;
- failIfError(I->getName(Name));
+ ErrorOr<StringRef> NameOrErr = I->getName();
+ failIfError(NameOrErr.getError());
+ StringRef Name = NameOrErr.get();
if (Name == PosName) {
assert(AddAfter || AddBefore);
if (AddBefore)
InsertPos = Pos + 1;
}
- std::vector<std::string>::iterator MemberI = Members.end();
+ std::vector<StringRef>::iterator MemberI = Members.end();
InsertAction Action = computeInsertAction(Operation, I, Name, MemberI);
switch (Action) {
case IA_AddOldMember:
addMember(Ret, I, Name);
break;
case IA_AddNewMeber:
- addMember(Ret, &*MemberI, Name);
+ addMember(Ret, *MemberI, Name);
break;
case IA_Delete:
break;
addMember(Moved, I, Name);
break;
case IA_MoveNewMember:
- addMember(Moved, &*MemberI, Name);
+ addMember(Moved, *MemberI, Name);
break;
}
if (MemberI != Members.end())
Ret.insert(Ret.begin() + InsertPos, Members.size(), NewArchiveIterator());
int Pos = InsertPos;
- for (std::vector<std::string>::iterator I = Members.begin(),
- E = Members.end();
- I != E; ++I, ++Pos) {
- StringRef Name = sys::path::filename(*I);
- addMember(Ret, &*I, Name, Pos);
+ for (auto &Member : Members) {
+ StringRef Name = sys::path::filename(Member);
+ addMember(Ret, Member, Name, Pos);
+ ++Pos;
}
return Ret;
}
template <typename T>
-static void printWithSpacePadding(raw_ostream &OS, T Data, unsigned Size) {
+static void printWithSpacePadding(raw_fd_ostream &OS, T Data, unsigned Size,
+ bool MayTruncate = false) {
uint64_t OldPos = OS.tell();
OS << Data;
unsigned SizeSoFar = OS.tell() - OldPos;
- assert(Size >= SizeSoFar && "Data doesn't fit in Size");
- unsigned Remaining = Size - SizeSoFar;
- for (unsigned I = 0; I < Remaining; ++I)
- OS << ' ';
+ if (Size > SizeSoFar) {
+ unsigned Remaining = Size - SizeSoFar;
+ for (unsigned I = 0; I < Remaining; ++I)
+ OS << ' ';
+ } else if (Size < SizeSoFar) {
+ assert(MayTruncate && "Data doesn't fit in Size");
+ // Some of the data this is used for (like UID) can be larger than the
+ // space available in the archive format. Truncate in that case.
+ OS.seek(OldPos + Size);
+ }
}
static void print32BE(raw_fd_ostream &Out, unsigned Val) {
unsigned GID, unsigned Perms,
unsigned Size) {
printWithSpacePadding(Out, ModTime.toEpochTime(), 12);
- printWithSpacePadding(Out, UID, 6);
- printWithSpacePadding(Out, GID, 6);
+ printWithSpacePadding(Out, UID, 6, true);
+ printWithSpacePadding(Out, GID, 6, true);
printWithSpacePadding(Out, format("%o", Perms), 8);
printWithSpacePadding(Out, Size, 10);
Out << "`\n";
Out.seek(Pos);
}
-static void writeSymbolTable(
- raw_fd_ostream &Out, ArrayRef<NewArchiveIterator> Members,
- std::vector<std::pair<unsigned, unsigned> > &MemberOffsetRefs) {
+static void
+writeSymbolTable(raw_fd_ostream &Out, ArrayRef<NewArchiveIterator> Members,
+ ArrayRef<MemoryBufferRef> Buffers,
+ std::vector<std::pair<unsigned, unsigned>> &MemberOffsetRefs) {
unsigned StartOffset = 0;
unsigned MemberNum = 0;
- std::vector<StringRef> SymNames;
- std::vector<object::ObjectFile *> DeleteIt;
+ std::string NameBuf;
+ raw_string_ostream NameOS(NameBuf);
+ unsigned NumSyms = 0;
+ LLVMContext &Context = getGlobalContext();
for (ArrayRef<NewArchiveIterator>::iterator I = Members.begin(),
E = Members.end();
I != E; ++I, ++MemberNum) {
- object::ObjectFile *Obj;
- if (I->isNewMember()) {
- const char *Filename = I->getNew();
- Obj = object::ObjectFile::createObjectFile(Filename);
- } else {
- object::Archive::child_iterator OldMember = I->getOld();
- OwningPtr<object::Binary> Binary;
- error_code EC = OldMember->getAsBinary(Binary);
- if (EC) { // FIXME: check only for "not an object file" errors.
- Obj = NULL;
- } else {
- Obj = dyn_cast<object::ObjectFile>(Binary.get());
- if (Obj)
- Binary.take();
- }
- }
- if (!Obj)
- continue;
- DeleteIt.push_back(Obj);
+ MemoryBufferRef MemberBuffer = Buffers[MemberNum];
+ ErrorOr<std::unique_ptr<object::SymbolicFile>> ObjOrErr =
+ object::SymbolicFile::createSymbolicFile(
+ MemberBuffer, sys::fs::file_magic::unknown, &Context);
+ if (!ObjOrErr)
+ continue; // FIXME: check only for "not an object file" errors.
+ object::SymbolicFile &Obj = *ObjOrErr.get();
+
if (!StartOffset) {
printMemberHeader(Out, "", sys::TimeValue::now(), 0, 0, 0, 0);
StartOffset = Out.tell();
print32BE(Out, 0);
}
- error_code Err;
- for (object::symbol_iterator I = Obj->begin_symbols(),
- E = Obj->end_symbols();
- I != E; I.increment(Err), failIfError(Err)) {
- uint32_t Symflags;
- failIfError(I->getFlags(Symflags));
+ for (const object::BasicSymbolRef &S : Obj.symbols()) {
+ uint32_t Symflags = S.getFlags();
if (Symflags & object::SymbolRef::SF_FormatSpecific)
continue;
if (!(Symflags & object::SymbolRef::SF_Global))
continue;
if (Symflags & object::SymbolRef::SF_Undefined)
continue;
- StringRef Name;
- failIfError(I->getName(Name));
- SymNames.push_back(Name);
+ failIfError(S.printName(NameOS));
+ NameOS << '\0';
+ ++NumSyms;
MemberOffsetRefs.push_back(std::make_pair(Out.tell(), MemberNum));
print32BE(Out, 0);
}
}
- for (std::vector<StringRef>::iterator I = SymNames.begin(),
- E = SymNames.end();
- I != E; ++I) {
- Out << *I;
- Out << '\0';
- }
-
- for (std::vector<object::ObjectFile *>::iterator I = DeleteIt.begin(),
- E = DeleteIt.end();
- I != E; ++I) {
- object::ObjectFile *O = *I;
- delete O;
- }
+ Out << NameOS.str();
if (StartOffset == 0)
return;
Out.seek(StartOffset - 12);
printWithSpacePadding(Out, Pos - StartOffset, 10);
Out.seek(StartOffset);
- print32BE(Out, SymNames.size());
+ print32BE(Out, NumSyms);
Out.seek(Pos);
}
std::vector<std::pair<unsigned, unsigned> > MemberOffsetRefs;
+ std::vector<std::unique_ptr<MemoryBuffer>> Buffers;
+ std::vector<MemoryBufferRef> Members;
+
+ for (unsigned I = 0, N = NewMembers.size(); I < N; ++I) {
+ NewArchiveIterator &Member = NewMembers[I];
+ MemoryBufferRef MemberRef;
+
+ if (Member.isNewMember()) {
+ StringRef Filename = Member.getNew();
+ int FD = Member.getFD();
+ const sys::fs::file_status &Status = Member.getStatus();
+ ErrorOr<std::unique_ptr<MemoryBuffer>> MemberBufferOrErr =
+ MemoryBuffer::getOpenFile(FD, Filename, Status.getSize(), false);
+ failIfError(MemberBufferOrErr.getError(), Filename);
+ Buffers.push_back(std::move(MemberBufferOrErr.get()));
+ MemberRef = Buffers.back()->getMemBufferRef();
+ } else {
+ object::Archive::child_iterator OldMember = Member.getOld();
+ ErrorOr<MemoryBufferRef> MemberBufferOrErr =
+ OldMember->getMemoryBufferRef();
+ failIfError(MemberBufferOrErr.getError());
+ MemberRef = MemberBufferOrErr.get();
+ }
+ Members.push_back(MemberRef);
+ }
+
if (Symtab) {
- writeSymbolTable(Out, NewMembers, MemberOffsetRefs);
+ writeSymbolTable(Out, NewMembers, Members, MemberOffsetRefs);
}
std::vector<unsigned> StringMapIndexes;
}
Out.seek(Pos);
+ MemoryBufferRef File = Members[MemberNum];
if (I->isNewMember()) {
- const char *FileName = I->getNew();
-
- int FD;
- failIfError(sys::fs::openFileForRead(FileName, FD), FileName);
-
- sys::fs::file_status Status;
- failIfError(sys::fs::status(FD, Status), FileName);
-
- OwningPtr<MemoryBuffer> File;
- failIfError(MemoryBuffer::getOpenFile(FD, FileName, File,
- Status.getSize(), false),
- FileName);
+ StringRef FileName = I->getNew();
+ const sys::fs::file_status &Status = I->getStatus();
StringRef Name = sys::path::filename(FileName);
if (Name.size() < 16)
Status.getLastModificationTime(), Status.getUser(),
Status.getGroup(), Status.permissions(),
Status.getSize());
- Out << File->getBuffer();
} else {
object::Archive::child_iterator OldMember = I->getOld();
StringRef Name = I->getName();
OldMember->getLastModified(), OldMember->getUID(),
OldMember->getGID(), OldMember->getAccessMode(),
OldMember->getSize());
- Out << OldMember->getBuffer();
}
+ Out << File.getBuffer();
+
if (Out.tell() % 2)
Out << '\n';
}
+
Output.keep();
Out.close();
sys::fs::rename(TemporaryOutput, ArchiveName);
- TemporaryOutput = NULL;
+ TemporaryOutput = nullptr;
+}
+
+static void createSymbolTable(object::Archive *OldArchive) {
+ // When an archive is created or modified, if the s option is given, the
+ // resulting archive will have a current symbol table. If the S option
+ // is given, it will have no symbol table.
+ // In summary, we only need to update the symbol table if we have none.
+ // This is actually very common because of broken build systems that think
+ // they have to run ranlib.
+ if (OldArchive->hasSymbolTable())
+ return;
+
+ performWriteOperation(CreateSymTab, OldArchive);
}
static void performOperation(ArchiveOperation Operation,
case ReplaceOrInsert:
performWriteOperation(Operation, OldArchive);
return;
+ case CreateSymTab:
+ createSymbolTable(OldArchive);
+ return;
}
llvm_unreachable("Unknown operation.");
}
-// main - main program for llvm-ar .. see comments in the code
-int main(int argc, char **argv) {
- ToolName = argv[0];
- // Print a stack trace if we signal out.
- sys::PrintStackTraceOnErrorSignal();
- PrettyStackTraceProgram X(argc, argv);
- llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
- // Have the command line options parsed and handle things
- // like --help and --version.
- cl::ParseCommandLineOptions(argc, argv,
- "LLVM Archiver (llvm-ar)\n\n"
- " This program archives bitcode files into single libraries\n"
- );
-
- // Do our own parsing of the command line because the CommandLine utility
- // can't handle the grouped positional parameters without a dash.
- ArchiveOperation Operation = parseCommandLine();
-
+static int performOperation(ArchiveOperation Operation) {
// Create or open the archive object.
- OwningPtr<MemoryBuffer> Buf;
- error_code EC = MemoryBuffer::getFile(ArchiveName, Buf, -1, false);
- if (EC && EC != llvm::errc::no_such_file_or_directory) {
- errs() << argv[0] << ": error opening '" << ArchiveName
+ ErrorOr<std::unique_ptr<MemoryBuffer>> Buf =
+ MemoryBuffer::getFile(ArchiveName, -1, false);
+ std::error_code EC = Buf.getError();
+ if (EC && EC != errc::no_such_file_or_directory) {
+ errs() << ToolName << ": error opening '" << ArchiveName
<< "': " << EC.message() << "!\n";
return 1;
}
if (!EC) {
- object::Archive Archive(Buf.take(), EC);
+ object::Archive Archive(Buf.get()->getMemBufferRef(), EC);
if (EC) {
- errs() << argv[0] << ": error loading '" << ArchiveName
+ errs() << ToolName << ": error loading '" << ArchiveName
<< "': " << EC.message() << "!\n";
return 1;
}
return 0;
}
- assert(EC == llvm::errc::no_such_file_or_directory);
+ assert(EC == errc::no_such_file_or_directory);
if (!shouldCreateArchive(Operation)) {
failIfError(EC, Twine("error loading '") + ArchiveName + "'");
} else {
if (!Create) {
// Produce a warning if we should and we're creating the archive
- errs() << argv[0] << ": creating " << ArchiveName << "\n";
+ errs() << ToolName << ": creating " << ArchiveName << "\n";
}
}
- performOperation(Operation, NULL);
+ performOperation(Operation, nullptr);
return 0;
}
+
+int ar_main(char **argv) {
+ // Do our own parsing of the command line because the CommandLine utility
+ // can't handle the grouped positional parameters without a dash.
+ ArchiveOperation Operation = parseCommandLine();
+ return performOperation(Operation);
+}
+
+int ranlib_main() {
+ if (RestOfArgs.size() != 1)
+ fail(ToolName + "takes just one archive as argument");
+ ArchiveName = RestOfArgs[0];
+ return performOperation(CreateSymTab);
+}
+
+int main(int argc, char **argv) {
+ ToolName = argv[0];
+ // Print a stack trace if we signal out.
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+
+ // Have the command line options parsed and handle things
+ // like --help and --version.
+ cl::ParseCommandLineOptions(argc, argv,
+ "LLVM Archiver (llvm-ar)\n\n"
+ " This program archives bitcode files into single libraries\n"
+ );
+
+ llvm::InitializeAllTargetInfos();
+ llvm::InitializeAllTargetMCs();
+ llvm::InitializeAllAsmParsers();
+
+ StringRef Stem = sys::path::stem(ToolName);
+ if (Stem.find("ar") != StringRef::npos)
+ return ar_main(argv);
+ if (Stem.find("ranlib") != StringRef::npos)
+ return ranlib_main();
+ fail("Not ranlib or ar!");
+}
projects / oota-llvm.git / blobdiff