1 //===-- llvm-ar.cpp - LLVM archive librarian utility ----------------------===//
3 //                     The LLVM Compiler Infrastructure
8 //===----------------------------------------------------------------------===//
10 // Builds up (relatively) standard unix archive files (.a) containing LLVM
13 //===----------------------------------------------------------------------===//
15 #include "llvm/ADT/StringSwitch.h"
16 #include "llvm/ADT/Triple.h"
17 #include "llvm/IR/LLVMContext.h"
18 #include "llvm/IR/Module.h"
19 #include "llvm/LibDriver/LibDriver.h"
20 #include "llvm/Object/Archive.h"
21 #include "llvm/Object/ArchiveWriter.h"
22 #include "llvm/Object/MachO.h"
23 #include "llvm/Object/ObjectFile.h"
24 #include "llvm/Support/CommandLine.h"
25 #include "llvm/Support/Errc.h"
26 #include "llvm/Support/FileSystem.h"
27 #include "llvm/Support/Format.h"
28 #include "llvm/Support/LineIterator.h"
29 #include "llvm/Support/ManagedStatic.h"
30 #include "llvm/Support/MemoryBuffer.h"
31 #include "llvm/Support/Path.h"
32 #include "llvm/Support/PrettyStackTrace.h"
33 #include "llvm/Support/Signals.h"
34 #include "llvm/Support/TargetSelect.h"
35 #include "llvm/Support/ToolOutputFile.h"
36 #include "llvm/Support/raw_ostream.h"
47 using namespace llvm;
72   handleAllErrors(std::move(E), [&](const llvm::ErrorInfoBase &EIB) {  in failIfError()
80 // llvm-ar/llvm-ranlib remaining positional arguments.
83                cl::desc("[relpos] [count] <archive-file> [members]..."));
101 // llvm-ar. This object instructs the CommandLine library to print the text of
102 // the constructor when the --help option is given.
105   "  d[NsS]       - delete file(s) from the archive\n"
106   "  m[abiSs]     - move file(s) in the archive\n"
107   "  p[kN]        - print file(s) found in the archive\n"
108   "  q[ufsS]      - quick append file(s) to the archive\n"
109   "  r[abfiuRsS]  - replace or insert file(s) into the archive\n"
110   "  t            - display contents of archive\n"
111   "  x[No]        - extract file(s) from the archive\n"
113   "  [a] - put file(s) after [relpos]\n"
114   "  [b] - put file(s) before [relpos] (same as [i])\n"
115   "  [i] - put file(s) before [relpos] (same as [b])\n"
116   "  [o] - preserve original dates\n"
117   "  [s] - create an archive index (cf. ranlib)\n"
118   "  [S] - do not build a symbol table\n"
119   "  [u] - update only files newer than archive contents\n"
121   "  [c] - do not warn if the library had to be created\n"
122   "  [v] - be verbose about actions taken\n"
209       fail("Cannot mix -M and other options");  in parseCommandLine()
329   outs() << ((mode & 004) ? "r" : "-");  in printMode()
330   outs() << ((mode & 002) ? "w" : "-");  in printMode()
331   outs() << ((mode & 001) ? "x" : "-");  in printMode()
404   if (Operation == Extract && OldArchive->isThin())  in performReadOperation()
410     for (auto &C : OldArchive->children(Err)) {  in performReadOperation()
447                       StringRef FileName, int Pos = -1) {  in addMember()
451   if (Pos == -1)  in addMember()
458                       const object::Archive::Child &M, int Pos = -1) {  in addMember()
459   if (Thin && !M.getParent()->isThin())  in addMember()
464   if (Pos == -1)  in addMember()
533   int InsertPos = -1;  in computeNewArchiveMembers()
537     for (auto &Child : OldArchive->children(Err)) {  in computeNewArchiveMembers()
578   if (!RelPos.empty() && InsertPos == -1)  in computeNewArchiveMembers()
609       object::ObjectFile::createObjectFile(Member.Buf->getMemBufferRef());  in getKindFromMember()
616   // squelch the error in case we had a non-object file  in getKindFromMember()
636       Kind = OldArchive->kind();  in performWriteOperation()
638       Kind = NewMembersP->size() ? getKindFromMember(NewMembersP->front())  in performWriteOperation()
666   // they have to run ranlib.  in createSymbolTable()
667   if (OldArchive->hasSymbolTable())  in createSymbolTable()
702       MemoryBuffer::getFile(ArchiveName, -1, false);  in performOperation()
709     object::Archive Archive(Buf.get()->getMemBufferRef(), Err);  in performOperation()
760       auto BufOrErr = MemoryBuffer::getFile(Rest, -1, false);  in runMRIScript()
764           object::Archive::create(ArchiveBuffers.back()->getMemBufferRef());  in runMRIScript()
825   llvm::InitializeAllTargetInfos();  in main()
826   llvm::InitializeAllTargetMCs();  in main()
827   llvm::InitializeAllAsmParsers();  in main()
830   if (Stem.find("ranlib") == StringRef::npos &&  in main()
835   // like --help and --version.  in main()
837     "LLVM Archiver (llvm-ar)\n\n"  in main()
841   if (Stem.find("ranlib") != StringRef::npos)  in main()
845   fail("Not ranlib, ar or lib!");  in main()