move this to lib/Archive

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36888 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 0 insertions, 1486 deletions

diff --git a/lib/Bytecode/Archive/Archive.cpp b/lib/Bytecode/Archive/Archive.cpp
deleted file mode 100644
index 6fabc5c862..0000000000
--- a/lib/Bytecode/Archive/Archive.cpp
+++ /dev/null
@@ -1,271 +0,0 @@
-//===-- Archive.cpp - Generic LLVM archive functions ------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by Reid Spencer and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the implementation of the Archive and ArchiveMember
-// classes that is common to both reading and writing archives..
-//
-//===----------------------------------------------------------------------===//
-
-#include "ArchiveInternals.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/ModuleProvider.h"
-#include "llvm/Module.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/System/Process.h"
-using namespace llvm;
-
-// getMemberSize - compute the actual physical size of the file member as seen
-// on disk. This isn't the size of member's payload. Use getSize() for that.
-unsigned
-ArchiveMember::getMemberSize() const {
-  // Basically its the file size plus the header size
-  unsigned result =  info.fileSize + sizeof(ArchiveMemberHeader);
-
-  // If it has a long filename, include the name length
-  if (hasLongFilename())
-    result += path.toString().length() + 1;
-
-  // If its now odd lengthed, include the padding byte
-  if (result % 2 != 0 )
-    result++;
-
-  return result;
-}
-
-// This default constructor is only use by the ilist when it creates its
-// sentry node. We give it specific static values to make it stand out a bit.
-ArchiveMember::ArchiveMember()
-  : next(0), prev(0), parent(0), path("--invalid--"), flags(0), data(0)
-{
-  info.user = sys::Process::GetCurrentUserId();
-  info.group = sys::Process::GetCurrentGroupId();
-  info.mode = 0777;
-  info.fileSize = 0;
-  info.modTime = sys::TimeValue::now();
-}
-
-// This is the constructor that the Archive class uses when it is building or
-// reading an archive. It just defaults a few things and ensures the parent is
-// set for the iplist. The Archive class fills in the ArchiveMember's data.
-// This is required because correctly setting the data may depend on other
-// things in the Archive.
-ArchiveMember::ArchiveMember(Archive* PAR)
-  : next(0), prev(0), parent(PAR), path(), flags(0), data(0)
-{
-}
-
-// This method allows an ArchiveMember to be replaced with the data for a
-// different file, presumably as an update to the member. It also makes sure
-// the flags are reset correctly.
-bool ArchiveMember::replaceWith(const sys::Path& newFile, std::string* ErrMsg) {
-  if (!newFile.exists()) {
-    if (ErrMsg) 
-      *ErrMsg = "Can not replace an archive member with a non-existent file";
-    return true;
-  }
-
-  data = 0;
-  path = newFile;
-
-  // SVR4 symbol tables have an empty name
-  if (path.toString() == ARFILE_SVR4_SYMTAB_NAME)
-    flags |= SVR4SymbolTableFlag;
-  else
-    flags &= ~SVR4SymbolTableFlag;
-
-  // BSD4.4 symbol tables have a special name
-  if (path.toString() == ARFILE_BSD4_SYMTAB_NAME)
-    flags |= BSD4SymbolTableFlag;
-  else
-    flags &= ~BSD4SymbolTableFlag;
-
-  // LLVM symbol tables have a very specific name
-  if (path.toString() == ARFILE_LLVM_SYMTAB_NAME)
-    flags |= LLVMSymbolTableFlag;
-  else
-    flags &= ~LLVMSymbolTableFlag;
-
-  // String table name
-  if (path.toString() == ARFILE_STRTAB_NAME)
-    flags |= StringTableFlag;
-  else
-    flags &= ~StringTableFlag;
-
-  // If it has a slash then it has a path
-  bool hasSlash = path.toString().find('/') != std::string::npos;
-  if (hasSlash)
-    flags |= HasPathFlag;
-  else
-    flags &= ~HasPathFlag;
-
-  // If it has a slash or its over 15 chars then its a long filename format
-  if (hasSlash || path.toString().length() > 15)
-    flags |= HasLongFilenameFlag;
-  else
-    flags &= ~HasLongFilenameFlag;
-
-  // Get the signature and status info
-  const char* signature = (const char*) data;
-  std::string magic;
-  if (!signature) {
-    path.getMagicNumber(magic,4);
-    signature = magic.c_str();
-    std::string err;
-    const sys::FileStatus *FSinfo = path.getFileStatus(false, ErrMsg);
-    if (FSinfo)
-      info = *FSinfo;
-    else
-      return true;
-  }
-
-  // Determine what kind of file it is
-  switch (sys::IdentifyFileType(signature,4)) {
-    case sys::Bytecode_FileType:
-      flags |= BytecodeFlag;
-      break;
-    case sys::CompressedBytecode_FileType:
-      flags |= CompressedBytecodeFlag;
-      flags &= ~CompressedFlag;
-      break;
-    default:
-      flags &= ~(BytecodeFlag|CompressedBytecodeFlag);
-      break;
-  }
-  return false;
-}
-
-// Archive constructor - this is the only constructor that gets used for the
-// Archive class. Everything else (default,copy) is deprecated. This just
-// initializes and maps the file into memory, if requested.
-Archive::Archive(const sys::Path& filename)
-  : archPath(filename), members(), mapfile(0), base(0), symTab(), strtab(),
-    symTabSize(0), firstFileOffset(0), modules(), foreignST(0) {
-}
-
-bool
-Archive::mapToMemory(std::string* ErrMsg)
-{
-  mapfile = new sys::MappedFile();
-  if (mapfile->open(archPath, sys::MappedFile::READ_ACCESS, ErrMsg))
-    return true;
-  if (!(base = (char*) mapfile->map(ErrMsg)))
-    return true;
-  return false;
-}
-
-void Archive::cleanUpMemory() {
-  // Shutdown the file mapping
-  if (mapfile) {
-    mapfile->close();
-    delete mapfile;
-    
-    mapfile = 0;
-    base = 0;
-  }
-  
-  // Forget the entire symbol table
-  symTab.clear();
-  symTabSize = 0;
-  
-  firstFileOffset = 0;
-  
-  // Free the foreign symbol table member
-  if (foreignST) {
-    delete foreignST;
-    foreignST = 0;
-  }
-  
-  // Delete any ModuleProviders and ArchiveMember's we've allocated as a result
-  // of symbol table searches.
-  for (ModuleMap::iterator I=modules.begin(), E=modules.end(); I != E; ++I ) {
-    delete I->second.first;
-    delete I->second.second;
-  }
-}
-
-// Archive destructor - just clean up memory
-Archive::~Archive() {
-  cleanUpMemory();
-}
-
-
-
-static void getSymbols(Module*M, std::vector<std::string>& symbols) {
-  // Loop over global variables
-  for (Module::global_iterator GI = M->global_begin(), GE=M->global_end(); GI != GE; ++GI)
-    if (!GI->isDeclaration() && !GI->hasInternalLinkage())
-      if (!GI->getName().empty())
-        symbols.push_back(GI->getName());
-  
-  // Loop over functions.
-  for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI)
-    if (!FI->isDeclaration() && !FI->hasInternalLinkage())
-      if (!FI->getName().empty())
-        symbols.push_back(FI->getName());
-}
-
-// Get just the externally visible defined symbols from the bytecode
-bool llvm::GetBytecodeSymbols(const sys::Path& fName,
-                              std::vector<std::string>& symbols,
-                              std::string* ErrMsg) {
-  std::auto_ptr<MemoryBuffer> Buffer(
-                       MemoryBuffer::getFileOrSTDIN(&fName.toString()[0],
-                                                    fName.toString().size()));
-  if (!Buffer.get()) {
-    if (ErrMsg) *ErrMsg = "Could not open file '" + fName.toString() + "'";
-    return true;
-  }
-  
-  ModuleProvider *MP = getBitcodeModuleProvider(Buffer.get(), ErrMsg);
-  if (!MP)
-    return true;
-  
-  // Get the module from the provider
-  Module* M = MP->materializeModule();
-  if (M == 0) {
-    delete MP;
-    return true;
-  }
-  
-  // Get the symbols
-  getSymbols(M, symbols);
-  
-  // Done with the module.
-  delete MP;
-  return true;
-}
-
-ModuleProvider*
-llvm::GetBytecodeSymbols(const unsigned char *BufPtr, unsigned Length,
-                         const std::string& ModuleID,
-                         std::vector<std::string>& symbols,
-                         std::string* ErrMsg) {
-  // Get the module provider
-  MemoryBuffer *Buffer =MemoryBuffer::getNewMemBuffer(Length, ModuleID.c_str());
-  memcpy((char*)Buffer->getBufferStart(), BufPtr, Length);
-  
-  ModuleProvider *MP = getBitcodeModuleProvider(Buffer, ErrMsg);
-  if (!MP)
-    return 0;
-  
-  // Get the module from the provider
-  Module* M = MP->materializeModule();
-  if (M == 0) {
-    delete MP;
-    return 0;
-  }
-  
-  // Get the symbols
-  getSymbols(M, symbols);
-  
-  // Done with the module. Note that ModuleProvider will delete the
-  // Module when it is deleted. Also note that its the caller's responsibility
-  // to delete the ModuleProvider.
-  return MP;
-}
diff --git a/lib/Bytecode/Archive/ArchiveInternals.h b/lib/Bytecode/Archive/ArchiveInternals.h
deleted file mode 100644
index 4642f7a30a..0000000000
--- a/lib/Bytecode/Archive/ArchiveInternals.h
+++ /dev/null
@@ -1,83 +0,0 @@
-//===-- lib/Bytecode/ArchiveInternals.h -------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by Reid Spencer and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Internal implementation header for LLVM Archive files.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LIB_BYTECODE_ARCHIVEINTERNALS_H
-#define LIB_BYTECODE_ARCHIVEINTERNALS_H
-
-#include "llvm/Bitcode/Archive.h"
-#include "llvm/System/TimeValue.h"
-#include "llvm/ADT/StringExtras.h"
-
-#define ARFILE_MAGIC "!<arch>\n"                   ///< magic string
-#define ARFILE_MAGIC_LEN (sizeof(ARFILE_MAGIC)-1)  ///< length of magic string
-#define ARFILE_SVR4_SYMTAB_NAME "/               " ///< SVR4 symtab entry name
-#define ARFILE_LLVM_SYMTAB_NAME "#_LLVM_SYM_TAB_#" ///< LLVM symtab entry name
-#define ARFILE_BSD4_SYMTAB_NAME "__.SYMDEF SORTED" ///< BSD4 symtab entry name
-#define ARFILE_STRTAB_NAME      "//              " ///< Name of string table
-#define ARFILE_PAD "\n"                            ///< inter-file align padding
-#define ARFILE_MEMBER_MAGIC "`\n"                  ///< fmag field magic #
-
-namespace llvm {
-
-  /// The ArchiveMemberHeader structure is used internally for bytecode
-  /// archives.
-  /// The header precedes each file member in the archive. This structure is
-  /// defined using character arrays for direct and correct interpretation
-  /// regardless of the endianess of the machine that produced it.
-  /// @brief Archive File Member Header
-  class ArchiveMemberHeader {
-    /// @name Data
-    /// @{
-    public:
-      char name[16];  ///< Name of the file member.
-      char date[12];  ///< File date, decimal seconds since Epoch
-      char uid[6];    ///< user id in ASCII decimal
-      char gid[6];    ///< group id in ASCII decimal
-      char mode[8];   ///< file mode in ASCII octal
-      char size[10];  ///< file size in ASCII decimal
-      char fmag[2];   ///< Always contains ARFILE_MAGIC_TERMINATOR
-
-    /// @}
-    /// @name Methods
-    /// @{
-    public:
-    void init() {
-      memset(name,' ',16);
-      memset(date,' ',12);
-      memset(uid,' ',6);
-      memset(gid,' ',6);
-      memset(mode,' ',8);
-      memset(size,' ',10);
-      fmag[0] = '`';
-      fmag[1] = '\n';
-    }
-
-    bool checkSignature() {
-      return 0 == memcmp(fmag, ARFILE_MEMBER_MAGIC,2);
-    }
-  };
-  
-  // Get just the externally visible defined symbols from the bytecode
-  bool GetBytecodeSymbols(const sys::Path& fName,
-                          std::vector<std::string>& symbols,
-                          std::string* ErrMsg);
-  
-  ModuleProvider* GetBytecodeSymbols(const unsigned char*Buffer,unsigned Length,
-                                     const std::string& ModuleID,
-                                     std::vector<std::string>& symbols,
-                                     std::string* ErrMsg);
-}
-
-#endif
-
-// vim: sw=2 ai
diff --git a/lib/Bytecode/Archive/ArchiveReader.cpp b/lib/Bytecode/Archive/ArchiveReader.cpp
deleted file mode 100644
index c38389e2d7..0000000000
--- a/lib/Bytecode/Archive/ArchiveReader.cpp
+++ /dev/null
@@ -1,633 +0,0 @@
-//===-- ArchiveReader.cpp - Read LLVM archive files -------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by Reid Spencer and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Builds up standard unix archive files (.a) containing LLVM bytecode.
-//
-//===----------------------------------------------------------------------===//
-
-#include "ArchiveInternals.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Module.h"
-#include <memory>
-using namespace llvm;
-
-/// Read a variable-bit-rate encoded unsigned integer
-inline unsigned readInteger(const char*&At, const char*End){
-  unsigned Shift = 0;
-  unsigned Result = 0;
-
-  do {
-    if (At == End)
-      return Result;
-    Result |= (unsigned)((*At++) & 0x7F) << Shift;
-    Shift += 7;
-  } while (At[-1] & 0x80);
-  return Result;
-}
-
-// Completely parse the Archive's symbol table and populate symTab member var.
-bool
-Archive::parseSymbolTable(const void* data, unsigned size, std::string* error) {
-  const char* At = (const char*) data;
-  const char* End = At + size;
-  while (At < End) {
-    unsigned offset = readInteger(At, End);
-    if (At == End) {
-      if (error)
-        *error = "Ran out of data reading vbr_uint for symtab offset!";
-      return false;
-    }
-    unsigned length = readInteger(At, End);
-    if (At == End) {
-      if (error)
-        *error = "Ran out of data reading vbr_uint for symtab length!";
-      return false;
-    }
-    if (At + length > End) {
-      if (error)
-        *error = "Malformed symbol table: length not consistent with size";
-      return false;
-    }
-    // we don't care if it can't be inserted (duplicate entry)
-    symTab.insert(std::make_pair(std::string(At, length), offset));
-    At += length;
-  }
-  symTabSize = size;
-  return true;
-}
-
-// This member parses an ArchiveMemberHeader that is presumed to be pointed to
-// by At. The At pointer is updated to the byte just after the header, which
-// can be variable in size.
-ArchiveMember*
-Archive::parseMemberHeader(const char*& At, const char* End, std::string* error)
-{
-  if (At + sizeof(ArchiveMemberHeader) >= End) {
-    if (error)
-      *error = "Unexpected end of file";
-    return 0;
-  }
-
-  // Cast archive member header
-  ArchiveMemberHeader* Hdr = (ArchiveMemberHeader*)At;
-  At += sizeof(ArchiveMemberHeader);
-
-  // Extract the size and determine if the file is
-  // compressed or not (negative length).
-  int flags = 0;
-  int MemberSize = atoi(Hdr->size);
-  if (MemberSize < 0) {
-    flags |= ArchiveMember::CompressedFlag;
-    MemberSize = -MemberSize;
-  }
-
-  // Check the size of the member for sanity
-  if (At + MemberSize > End) {
-    if (error)
-      *error = "invalid member length in archive file";
-    return 0;
-  }
-
-  // Check the member signature
-  if (!Hdr->checkSignature()) {
-    if (error)
-      *error = "invalid file member signature";
-    return 0;
-  }
-
-  // Convert and check the member name
-  // The empty name ( '/' and 15 blanks) is for a foreign (non-LLVM) symbol
-  // table. The special name "//" and 14 blanks is for a string table, used
-  // for long file names. This library doesn't generate either of those but
-  // it will accept them. If the name starts with #1/ and the remainder is
-  // digits, then those digits specify the length of the name that is
-  // stored immediately following the header. The special name
-  // __LLVM_SYM_TAB__ identifies the symbol table for LLVM bytecode.
-  // Anything else is a regular, short filename that is terminated with
-  // a '/' and blanks.
-
-  std::string pathname;
-  switch (Hdr->name[0]) {
-    case '#':
-      if (Hdr->name[1] == '1' && Hdr->name[2] == '/') {
-        if (isdigit(Hdr->name[3])) {
-          unsigned len = atoi(&Hdr->name[3]);
-          pathname.assign(At, len);
-          At += len;
-          MemberSize -= len;
-          flags |= ArchiveMember::HasLongFilenameFlag;
-        } else {
-          if (error)
-            *error = "invalid long filename";
-          return 0;
-        }
-      } else if (Hdr->name[1] == '_' &&
-                 (0 == memcmp(Hdr->name, ARFILE_LLVM_SYMTAB_NAME, 16))) {
-        // The member is using a long file name (>15 chars) format.
-        // This format is standard for 4.4BSD and Mac OSX operating
-        // systems. LLVM uses it similarly. In this format, the
-        // remainder of the name field (after #1/) specifies the
-        // length of the file name which occupy the first bytes of
-        // the member's data. The pathname already has the #1/ stripped.
-        pathname.assign(ARFILE_LLVM_SYMTAB_NAME);
-        flags |= ArchiveMember::LLVMSymbolTableFlag;
-      }
-      break;
-    case '/':
-      if (Hdr->name[1]== '/') {
-        if (0 == memcmp(Hdr->name, ARFILE_STRTAB_NAME, 16)) {
-          pathname.assign(ARFILE_STRTAB_NAME);
-          flags |= ArchiveMember::StringTableFlag;
-        } else {
-          if (error)
-            *error = "invalid string table name";
-          return 0;
-        }
-      } else if (Hdr->name[1] == ' ') {
-        if (0 == memcmp(Hdr->name, ARFILE_SVR4_SYMTAB_NAME, 16)) {
-          pathname.assign(ARFILE_SVR4_SYMTAB_NAME);
-          flags |= ArchiveMember::SVR4SymbolTableFlag;
-        } else {
-          if (error)
-            *error = "invalid SVR4 symbol table name";
-          return 0;
-        }
-      } else if (isdigit(Hdr->name[1])) {
-        unsigned index = atoi(&Hdr->name[1]);
-        if (index < strtab.length()) {
-          const char* namep = strtab.c_str() + index;
-          const char* endp = strtab.c_str() + strtab.length();
-          const char* p = namep;
-          const char* last_p = p;
-          while (p < endp) {
-            if (*p == '\n' && *last_p == '/') {
-              pathname.assign(namep, last_p - namep);
-              flags |= ArchiveMember::HasLongFilenameFlag;
-              break;
-            }
-            last_p = p;
-            p++;
-          }
-          if (p >= endp) {
-            if (error)
-              *error = "missing name termiantor in string table";
-            return 0;
-          }
-        } else {
-          if (error)
-            *error = "name index beyond string table";
-          return 0;
-        }
-      }
-      break;
-    case '_':
-      if (Hdr->name[1] == '_' &&
-          (0 == memcmp(Hdr->name, ARFILE_BSD4_SYMTAB_NAME, 16))) {
-        pathname.assign(ARFILE_BSD4_SYMTAB_NAME);
-        flags |= ArchiveMember::BSD4SymbolTableFlag;
-        break;
-      }
-      /* FALL THROUGH */
-
-    default:
-      char* slash = (char*) memchr(Hdr->name, '/', 16);
-      if (slash == 0)
-        slash = Hdr->name + 16;
-      pathname.assign(Hdr->name, slash - Hdr->name);
-      break;
-  }
-
-  // Determine if this is a bytecode file
-  switch (sys::IdentifyFileType(At, 4)) {
-    case sys::Bitcode_FileType:
-    case sys::Bytecode_FileType:
-      flags |= ArchiveMember::BytecodeFlag;
-      break;
-    case sys::CompressedBytecode_FileType:
-      flags |= ArchiveMember::CompressedBytecodeFlag;
-      flags &= ~ArchiveMember::CompressedFlag;
-      break;
-    default:
-      flags &= ~(ArchiveMember::BytecodeFlag|
-                 ArchiveMember::CompressedBytecodeFlag);
-      break;
-  }
-
-  // Instantiate the ArchiveMember to be filled
-  ArchiveMember* member = new ArchiveMember(this);
-
-  // Fill in fields of the ArchiveMember
-  member->next = 0;
-  member->prev = 0;
-  member->parent = this;
-  member->path.set(pathname);
-  member->info.fileSize = MemberSize;
-  member->info.modTime.fromEpochTime(atoi(Hdr->date));
-  unsigned int mode;
-  sscanf(Hdr->mode, "%o", &mode);
-  member->info.mode = mode;
-  member->info.user = atoi(Hdr->uid);
-  member->info.group = atoi(Hdr->gid);
-  member->flags = flags;
-  member->data = At;
-
-  return member;
-}
-
-bool
-Archive::checkSignature(std::string* error) {
-  // Check the magic string at file's header
-  if (mapfile->size() < 8 || memcmp(base, ARFILE_MAGIC, 8)) {
-    if (error)
-      *error = "invalid signature for an archive file";
-    return false;
-  }
-  return true;
-}
-
-// This function loads the entire archive and fully populates its ilist with
-// the members of the archive file. This is typically used in preparation for
-// editing the contents of the archive.
-bool
-Archive::loadArchive(std::string* error) {
-
-  // Set up parsing
-  members.clear();
-  symTab.clear();
-  const char *At = base;
-  const char *End = base + mapfile->size();
-
-  if (!checkSignature(error))
-    return false;
-
-  At += 8;  // Skip the magic string.
-
-  bool seenSymbolTable = false;
-  bool foundFirstFile = false;
-  while (At < End) {
-    // parse the member header
-    const char* Save = At;
-    ArchiveMember* mbr = parseMemberHeader(At, End, error);
-    if (!mbr)
-      return false;
-
-    // check if this is the foreign symbol table
-    if (mbr->isSVR4SymbolTable() || mbr->isBSD4SymbolTable()) {
-      // We just save this but don't do anything special
-      // with it. It doesn't count as the "first file".
-      if (foreignST) {
-        // What? Multiple foreign symbol tables? Just chuck it
-        // and retain the last one found.
-        delete foreignST;
-      }
-      foreignST = mbr;
-      At += mbr->getSize();
-      if ((intptr_t(At) & 1) == 1)
-        At++;
-    } else if (mbr->isStringTable()) {
-      // Simply suck the entire string table into a string
-      // variable. This will be used to get the names of the
-      // members that use the "/ddd" format for their names
-      // (SVR4 style long names).
-      strtab.assign(At, mbr->getSize());
-      At += mbr->getSize();
-      if ((intptr_t(At) & 1) == 1)
-        At++;
-      delete mbr;
-    } else if (mbr->isLLVMSymbolTable()) {
-      // This is the LLVM symbol table for the archive. If we've seen it
-      // already, its an error. Otherwise, parse the symbol table and move on.
-      if (seenSymbolTable) {
-        if (error)
-          *error = "invalid archive: multiple symbol tables";
-        return false;
-      }
-      if (!parseSymbolTable(mbr->getData(), mbr->getSize(), error))
-        return false;
-      seenSymbolTable = true;
-      At += mbr->getSize();
-      if ((intptr_t(At) & 1) == 1)
-        At++;
-      delete mbr; // We don't need this member in the list of members.
-    } else {
-      // This is just a regular file. If its the first one, save its offset.
-      // Otherwise just push it on the list and move on to the next file.
-      if (!foundFirstFile) {
-        firstFileOffset = Save - base;
-        foundFirstFile = true;
-      }
-      members.push_back(mbr);
-      At += mbr->getSize();
-      if ((intptr_t(At) & 1) == 1)
-        At++;
-    }
-  }
-  return true;
-}
-
-// Open and completely load the archive file.
-Archive*
-Archive::OpenAndLoad(const sys::Path& file, std::string* ErrorMessage) 
-{
-  std::auto_ptr<Archive> result ( new Archive(file));
-  if (result->mapToMemory(ErrorMessage))
-    return 0;
-  if (!result->loadArchive(ErrorMessage))
-    return 0;
-  return result.release();
-}
-
-// Get all the bytecode modules from the archive
-bool
-Archive::getAllModules(std::vector<Module*>& Modules, std::string* ErrMessage) {
-
-  for (iterator I=begin(), E=end(); I != E; ++I) {
-    if (I->isBytecode() || I->isCompressedBytecode()) {
-      std::string FullMemberName = archPath.toString() +
-        "(" + I->getPath().toString() + ")";
-      MemoryBuffer *Buffer =
-        MemoryBuffer::getNewMemBuffer(I->getSize(), FullMemberName.c_str());
-      memcpy((char*)Buffer->getBufferStart(), I->getData(), I->getSize());
-      
-      Module *M = ParseBitcodeFile(Buffer, ErrMessage);
-      delete Buffer;
-      if (!M)
-        return true;
-
-      Modules.push_back(M);
-    }
-  }
-  return false;
-}
-
-// Load just the symbol table from the archive file
-bool
-Archive::loadSymbolTable(std::string* ErrorMsg) {
-
-  // Set up parsing
-  members.clear();
-  symTab.clear();
-  const char *At = base;
-  const char *End = base + mapfile->size();
-
-  // Make sure we're dealing with an archive
-  if (!checkSignature(ErrorMsg))
-    return false;
-
-  At += 8; // Skip signature
-
-  // Parse the first file member header
-  const char* FirstFile = At;
-  ArchiveMember* mbr = parseMemberHeader(At, End, ErrorMsg);
-  if (!mbr)
-    return false;
-
-  if (mbr->isSVR4SymbolTable() || mbr->isBSD4SymbolTable()) {
-    // Skip the foreign symbol table, we don't do anything with it
-    At += mbr->getSize();
-    if ((intptr_t(At) & 1) == 1)
-      At++;
-    delete mbr;
-
-    // Read the next one
-    FirstFile = At;
-    mbr = parseMemberHeader(At, End, ErrorMsg);
-    if (!mbr) {
-      delete mbr;
-      return false;
-    }
-  }
-
-  if (mbr->isStringTable()) {
-    // Process the string table entry
-    strtab.assign((const char*)mbr->getData(), mbr->getSize());
-    At += mbr->getSize();
-    if ((intptr_t(At) & 1) == 1)
-      At++;
-    delete mbr;
-    // Get the next one
-    FirstFile = At;
-    mbr = parseMemberHeader(At, End, ErrorMsg);
-    if (!mbr) {
-      delete mbr;
-      return false;
-    }
-  }
-
-  // See if its the symbol table
-  if (mbr->isLLVMSymbolTable()) {
-    if (!parseSymbolTable(mbr->getData(), mbr->getSize(), ErrorMsg)) {
-      delete mbr;
-      return false;
-    }
-
-    At += mbr->getSize();
-    if ((intptr_t(At) & 1) == 1)
-      At++;
-    delete mbr;
-    // Can't be any more symtab headers so just advance
-    FirstFile = At;
-  } else {
-    // There's no symbol table in the file. We have to rebuild it from scratch
-    // because the intent of this method is to get the symbol table loaded so
-    // it can be searched efficiently.
-    // Add the member to the members list
-    members.push_back(mbr);
-  }
-
-  firstFileOffset = FirstFile - base;
-  return true;
-}
-
-// Open the archive and load just the symbol tables
-Archive*
-Archive::OpenAndLoadSymbols(const sys::Path& file, std::string* ErrorMessage) {
-  std::auto_ptr<Archive> result ( new Archive(file) );
-  if (result->mapToMemory(ErrorMessage))
-    return 0;
-  if (!result->loadSymbolTable(ErrorMessage))
-    return 0;
-  return result.release();
-}
-
-// Look up one symbol in the symbol table and return a ModuleProvider for the
-// module that defines that symbol.
-ModuleProvider*
-Archive::findModuleDefiningSymbol(const std::string& symbol, 
-                                  std::string* ErrMsg) {
-  SymTabType::iterator SI = symTab.find(symbol);
-  if (SI == symTab.end())
-    return 0;
-
-  // The symbol table was previously constructed assuming that the members were
-  // written without the symbol table header. Because VBR encoding is used, the
-  // values could not be adjusted to account for the offset of the symbol table
-  // because that could affect the size of the symbol table due to VBR encoding.
-  // We now have to account for this by adjusting the offset by the size of the
-  // symbol table and its header.
-  unsigned fileOffset =
-    SI->second +                // offset in symbol-table-less file
-    firstFileOffset;            // add offset to first "real" file in archive
-
-  // See if the module is already loaded
-  ModuleMap::iterator MI = modules.find(fileOffset);
-  if (MI != modules.end())
-    return MI->second.first;
-
-  // Module hasn't been loaded yet, we need to load it
-  const char* modptr = base + fileOffset;
-  ArchiveMember* mbr = parseMemberHeader(modptr, base + mapfile->size(),ErrMsg);
-  if (!mbr)
-    return 0;
-
-  // Now, load the bytecode module to get the ModuleProvider
-  std::string FullMemberName = archPath.toString() + "(" +
-    mbr->getPath().toString() + ")";
-  MemoryBuffer *Buffer =MemoryBuffer::getNewMemBuffer(mbr->getSize(),
-                                                      FullMemberName.c_str());
-  memcpy((char*)Buffer->getBufferStart(), mbr->getData(), mbr->getSize());
-  
-  ModuleProvider *mp = getBitcodeModuleProvider(Buffer, ErrMsg);
-  if (!mp)
-    return 0;
-
-  modules.insert(std::make_pair(fileOffset, std::make_pair(mp, mbr)));
-
-  return mp;
-}
-
-// Look up multiple symbols in the symbol table and return a set of
-// ModuleProviders that define those symbols.
-bool
-Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
-                                    std::set<ModuleProvider*>& result,
-                                    std::string* error) {
-  if (!mapfile || !base) {
-    if (error)
-      *error = "Empty archive invalid for finding modules defining symbols";
-    return false;
-  }
-
-  if (symTab.empty()) {
-    // We don't have a symbol table, so we must build it now but lets also
-    // make sure that we populate the modules table as we do this to ensure
-    // that we don't load them twice when findModuleDefiningSymbol is called
-    // below.
-
-    // Get a pointer to the first file
-    const char* At  = ((const char*)base) + firstFileOffset;
-    const char* End = ((const char*)base) + mapfile->size();
-
-    while ( At < End) {
-      // Compute the offset to be put in the symbol table
-      unsigned offset = At - base - firstFileOffset;
-
-      // Parse the file's header
-      ArchiveMember* mbr = parseMemberHeader(At, End, error);
-      if (!mbr)
-        return false;
-
-      // If it contains symbols
-      if (mbr->isBytecode() || mbr->isCompressedBytecode()) {
-        // Get the symbols
-        std::vector<std::string> symbols;
-        std::string FullMemberName = archPath.toString() + "(" +
-          mbr->getPath().toString() + ")";
-        ModuleProvider* MP = 
-          GetBytecodeSymbols((const unsigned char*)At, mbr->getSize(),
-                             FullMemberName, symbols, error);
-
-        if (MP) {
-          // Insert the module's symbols into the symbol table
-          for (std::vector<std::string>::iterator I = symbols.begin(),
-               E=symbols.end(); I != E; ++I ) {
-            symTab.insert(std::make_pair(*I, offset));
-          }
-          // Insert the ModuleProvider and the ArchiveMember into the table of
-          // modules.
-          modules.insert(std::make_pair(offset, std::make_pair(MP, mbr)));
-        } else {
-          if (error)
-            *error = "Can't parse bytecode member: " + 
-              mbr->getPath().toString() + ": " + *error;
-          delete mbr;
-          return false;
-        }
-      }
-
-      // Go to the next file location
-      At += mbr->getSize();
-      if ((intptr_t(At) & 1) == 1)
-        At++;
-    }
-  }
-
-  // At this point we have a valid symbol table (one way or another) so we
-  // just use it to quickly find the symbols requested.
-
-  for (std::set<std::string>::iterator I=symbols.begin(),
-       E=symbols.end(); I != E;) {
-    // See if this symbol exists
-    ModuleProvider* mp = findModuleDefiningSymbol(*I,error);
-    if (mp) {
-      // The symbol exists, insert the ModuleProvider into our result,
-      // duplicates wil be ignored
-      result.insert(mp);
-
-      // Remove the symbol now that its been resolved, being careful to
-      // post-increment the iterator.
-      symbols.erase(I++);
-    } else {
-      ++I;
-    }
-  }
-  return true;
-}
-
-bool Archive::isBytecodeArchive() {
-  // Make sure the symTab has been loaded. In most cases this should have been
-  // done when the archive was constructed, but still,  this is just in case.
-  if (!symTab.size())
-    if (!loadSymbolTable(0))
-      return false;
-
-  // Now that we know it's been loaded, return true
-  // if it has a size
-  if (symTab.size()) return true;
-
-  //We still can't be sure it isn't a bytecode archive
-  if (!loadArchive(0))
-    return false;
-
-  std::vector<Module *> Modules;
-  std::string ErrorMessage;
-
-  // Scan the archive, trying to load a bytecode member.  We only load one to
-  // see if this works.
-  for (iterator I = begin(), E = end(); I != E; ++I) {
-    if (!I->isBytecode() && !I->isCompressedBytecode())
-      continue;
-    
-    std::string FullMemberName = 
-      archPath.toString() + "(" + I->getPath().toString() + ")";
-
-    MemoryBuffer *Buffer =
-      MemoryBuffer::getNewMemBuffer(I->getSize(), FullMemberName.c_str());
-    memcpy((char*)Buffer->getBufferStart(), I->getData(), I->getSize());
-    Module *M = ParseBitcodeFile(Buffer);
-    delete Buffer;
-    if (!M)
-      return false;  // Couldn't parse bytecode, not a bytecode archive.
-    delete M;
-    return true;
-  }
-  
-  return false;
-}
diff --git a/lib/Bytecode/Archive/ArchiveWriter.cpp b/lib/Bytecode/Archive/ArchiveWriter.cpp
deleted file mode 100644
index 051d31fce9..0000000000
--- a/lib/Bytecode/Archive/ArchiveWriter.cpp
+++ /dev/null
@@ -1,482 +0,0 @@
-//===-- ArchiveWriter.cpp - Write LLVM archive files ----------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by Reid Spencer and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Builds up an LLVM archive file (.a) containing LLVM bytecode.
-//
-//===----------------------------------------------------------------------===//
-
-#include "ArchiveInternals.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/System/Signals.h"
-#include "llvm/System/Process.h"
-#include "llvm/ModuleProvider.h"
-#include <fstream>
-#include <ostream>
-#include <iomanip>
-using namespace llvm;
-
-// Write an integer using variable bit rate encoding. This saves a few bytes
-// per entry in the symbol table.
-inline void writeInteger(unsigned num, std::ofstream& ARFile) {
-  while (1) {
-    if (num < 0x80) { // done?
-      ARFile << (unsigned char)num;
-      return;
-    }
-
-    // Nope, we are bigger than a character, output the next 7 bits and set the
-    // high bit to say that there is more coming...
-    ARFile << (unsigned char)(0x80 | ((unsigned char)num & 0x7F));
-    num >>= 7;  // Shift out 7 bits now...
-  }
-}
-
-// Compute how many bytes are taken by a given VBR encoded value. This is needed
-// to pre-compute the size of the symbol table.
-inline unsigned numVbrBytes(unsigned num) {
-
-  // Note that the following nested ifs are somewhat equivalent to a binary
-  // search. We split it in half by comparing against 2^14 first. This allows
-  // most reasonable values to be done in 2 comparisons instead of 1 for
-  // small ones and four for large ones. We expect this to access file offsets
-  // in the 2^10 to 2^24 range and symbol lengths in the 2^0 to 2^8 range,
-  // so this approach is reasonable.
-  if (num < 1<<14)
-    if (num < 1<<7)
-      return 1;
-    else
-      return 2;
-  if (num < 1<<21)
-    return 3;
-
-  if (num < 1<<28)
-    return 4;
-  return 5; // anything >= 2^28 takes 5 bytes
-}
-
-// Create an empty archive.
-Archive*
-Archive::CreateEmpty(const sys::Path& FilePath ) {
-  Archive* result = new Archive(FilePath);
-  return result;
-}
-
-// Fill the ArchiveMemberHeader with the information from a member. If
-// TruncateNames is true, names are flattened to 15 chars or less. The sz field
-// is provided here instead of coming from the mbr because the member might be
-// stored compressed and the compressed size is not the ArchiveMember's size.
-// Furthermore compressed files have negative size fields to identify them as
-// compressed.
-bool
-Archive::fillHeader(const ArchiveMember &mbr, ArchiveMemberHeader& hdr,
-                    int sz, bool TruncateNames) const {
-
-  // Set the permissions mode, uid and gid
-  hdr.init();
-  char buffer[32];
-  sprintf(buffer, "%-8o", mbr.getMode());
-  memcpy(hdr.mode,buffer,8);
-  sprintf(buffer,  "%-6u", mbr.getUser());
-  memcpy(hdr.uid,buffer,6);
-  sprintf(buffer,  "%-6u", mbr.getGroup());
-  memcpy(hdr.gid,buffer,6);
-
-  // Set the last modification date
-  uint64_t secondsSinceEpoch = mbr.getModTime().toEpochTime();
-  sprintf(buffer,"%-12u", unsigned(secondsSinceEpoch));
-  memcpy(hdr.date,buffer,12);
-
-  // Get rid of trailing blanks in the name
-  std::string mbrPath = mbr.getPath().toString();
-  size_t mbrLen = mbrPath.length();
-  while (mbrLen > 0 && mbrPath[mbrLen-1] == ' ') {
-    mbrPath.erase(mbrLen-1,1);
-    mbrLen--;
-  }
-
-  // Set the name field in one of its various flavors.
-  bool writeLongName = false;
-  if (mbr.isStringTable()) {
-    memcpy(hdr.name,ARFILE_STRTAB_NAME,16);
-  } else if (mbr.isSVR4SymbolTable()) {
-    memcpy(hdr.name,ARFILE_SVR4_SYMTAB_NAME,16);
-  } else if (mbr.isBSD4SymbolTable()) {
-    memcpy(hdr.name,ARFILE_BSD4_SYMTAB_NAME,16);
-  } else if (mbr.isLLVMSymbolTable()) {
-    memcpy(hdr.name,ARFILE_LLVM_SYMTAB_NAME,16);
-  } else if (TruncateNames) {
-    const char* nm = mbrPath.c_str();
-    unsigned len = mbrPath.length();
-    size_t slashpos = mbrPath.rfind('/');
-    if (slashpos != std::string::npos) {
-      nm += slashpos + 1;
-      len -= slashpos +1;
-    }
-    if (len > 15)
-      len = 15;
-    memcpy(hdr.name,nm,len);
-    hdr.name[len] = '/';
-  } else if (mbrPath.length() < 16 && mbrPath.find('/') == std::string::npos) {
-    memcpy(hdr.name,mbrPath.c_str(),mbrPath.length());
-    hdr.name[mbrPath.length()] = '/';
-  } else {
-    std::string nm = "#1/";
-    nm += utostr(mbrPath.length());
-    memcpy(hdr.name,nm.data(),nm.length());
-    if (sz < 0)
-      sz -= mbrPath.length();
-    else
-      sz += mbrPath.length();
-    writeLongName = true;
-  }
-
-  // Set the size field
-  if (sz < 0) {
-    buffer[0] = '-';
-    sprintf(&buffer[1],"%-9u",(unsigned)-sz);
-  } else {
-    sprintf(buffer, "%-10u", (unsigned)sz);
-  }
-  memcpy(hdr.size,buffer,10);
-
-  return writeLongName;
-}
-
-// Insert a file into the archive before some other member. This also takes care
-// of extracting the necessary flags and information from the file.
-bool
-Archive::addFileBefore(const sys::Path& filePath, iterator where, 
-                        std::string* ErrMsg) {
-  if (!filePath.exists()) {
-    if (ErrMsg)
-      *ErrMsg = "Can not add a non-existent file to archive";
-    return true;
-  }
-
-  ArchiveMember* mbr = new ArchiveMember(this);
-
-  mbr->data = 0;
-  mbr->path = filePath;
-  const sys::FileStatus *FSInfo = mbr->path.getFileStatus(false, ErrMsg);
-  if (FSInfo)
-    mbr->info = *FSInfo;
-  else
-    return true;
-
-  unsigned flags = 0;
-  bool hasSlash = filePath.toString().find('/') != std::string::npos;
-  if (hasSlash)
-    flags |= ArchiveMember::HasPathFlag;
-  if (hasSlash || filePath.toString().length() > 15)
-    flags |= ArchiveMember::HasLongFilenameFlag;
-  std::string magic;
-  mbr->path.getMagicNumber(magic,4);
-  switch (sys::IdentifyFileType(magic.c_str(),4)) {
-    case sys::Bitcode_FileType:
-    case sys::Bytecode_FileType:
-      flags |= ArchiveMember::BytecodeFlag;
-      break;
-    case sys::CompressedBytecode_FileType:
-      flags |= ArchiveMember::CompressedBytecodeFlag;
-      break;
-    default:
-      break;
-  }
-  mbr->flags = flags;
-  members.insert(where,mbr);
-  return false;
-}
-
-// Write one member out to the file.
-bool
-Archive::writeMember(
-  const ArchiveMember& member,
-  std::ofstream& ARFile,
-  bool CreateSymbolTable,
-  bool TruncateNames,
-  bool ShouldCompress,
-  std::string* ErrMsg
-) {
-
-  unsigned filepos = ARFile.tellp();
-  filepos -= 8;
-
-  // Get the data and its size either from the
-  // member's in-memory data or directly from the file.
-  size_t fSize = member.getSize();
-  const char* data = (const char*)member.getData();
-  sys::MappedFile* mFile = 0;
-  if (!data) {
-    mFile = new sys::MappedFile();
-    if (mFile->open(member.getPath(), sys::MappedFile::READ_ACCESS, ErrMsg))
-      return true;
-    if (!(data = (const char*) mFile->map(ErrMsg)))
-      return true;
-    fSize = mFile->size();
-  }
-
-  // Now that we have the data in memory, update the
-  // symbol table if its a bytecode file.
-  if (CreateSymbolTable &&
-      (member.isBytecode() || member.isCompressedBytecode())) {
-    std::vector<std::string> symbols;
-    std::string FullMemberName = archPath.toString() + "(" +
-      member.getPath().toString()
-      + ")";
-    ModuleProvider* MP = 
-      GetBytecodeSymbols((const unsigned char*)data,fSize,
-                         FullMemberName, symbols, ErrMsg);
-
-    // If the bytecode parsed successfully
-    if ( MP ) {
-      for (std::vector<std::string>::iterator SI = symbols.begin(),
-           SE = symbols.end(); SI != SE; ++SI) {
-
-        std::pair<SymTabType::iterator,bool> Res =
-          symTab.insert(std::make_pair(*SI,filepos));
-
-        if (Res.second) {
-          symTabSize += SI->length() +
-                        numVbrBytes(SI->length()) +
-                        numVbrBytes(filepos);
-        }
-      }
-      // We don't need this module any more.
-      delete MP;
-    } else {
-      if (mFile != 0) {
-        mFile->close();
-        delete mFile;
-      }
-      if (ErrMsg)
-        *ErrMsg = "Can't parse bytecode member: " + member.getPath().toString()
-          + ": " + *ErrMsg;
-      return true;
-    }
-  }
-
-  int hdrSize = fSize;
-
-  // Compute the fields of the header
-  ArchiveMemberHeader Hdr;
-  bool writeLongName = fillHeader(member,Hdr,hdrSize,TruncateNames);
-
-  // Write header to archive file
-  ARFile.write((char*)&Hdr, sizeof(Hdr));
-
-  // Write the long filename if its long
-  if (writeLongName) {
-    ARFile.write(member.getPath().toString().data(),
-                 member.getPath().toString().length());
-  }
-
-  // Write the (possibly compressed) member's content to the file.
-  ARFile.write(data,fSize);
-
-  // Make sure the member is an even length
-  if ((ARFile.tellp() & 1) == 1)
-    ARFile << ARFILE_PAD;
-
-  // Close the mapped file if it was opened
-  if (mFile != 0) {
-    mFile->close();
-    delete mFile;
-  }
-  return false;
-}
-
-// Write out the LLVM symbol table as an archive member to the file.
-void
-Archive::writeSymbolTable(std::ofstream& ARFile) {
-
-  // Construct the symbol table's header
-  ArchiveMemberHeader Hdr;
-  Hdr.init();
-  memcpy(Hdr.name,ARFILE_LLVM_SYMTAB_NAME,16);
-  uint64_t secondsSinceEpoch = sys::TimeValue::now().toEpochTime();
-  char buffer[32];
-  sprintf(buffer, "%-8o", 0644);
-  memcpy(Hdr.mode,buffer,8);
-  sprintf(buffer, "%-6u", sys::Process::GetCurrentUserId());
-  memcpy(Hdr.uid,buffer,6);
-  sprintf(buffer, "%-6u", sys::Process::GetCurrentGroupId());
-  memcpy(Hdr.gid,buffer,6);
-  sprintf(buffer,"%-12u", unsigned(secondsSinceEpoch));
-  memcpy(Hdr.date,buffer,12);
-  sprintf(buffer,"%-10u",symTabSize);
-  memcpy(Hdr.size,buffer,10);
-
-  // Write the header
-  ARFile.write((char*)&Hdr, sizeof(Hdr));
-
-  // Save the starting position of the symbol tables data content.
-  unsigned startpos = ARFile.tellp();
-
-  // Write out the symbols sequentially
-  for ( Archive::SymTabType::iterator I = symTab.begin(), E = symTab.end();
-        I != E; ++I)
-  {
-    // Write out the file index
-    writeInteger(I->second, ARFile);
-    // Write out the length of the symbol
-    writeInteger(I->first.length(), ARFile);
-    // Write out the symbol
-    ARFile.write(I->first.data(), I->first.length());
-  }
-
-  // Now that we're done with the symbol table, get the ending file position
-  unsigned endpos = ARFile.tellp();
-
-  // Make sure that the amount we wrote is what we pre-computed. This is
-  // critical for file integrity purposes.
-  assert(endpos - startpos == symTabSize && "Invalid symTabSize computation");
-
-  // Make sure the symbol table is even sized
-  if (symTabSize % 2 != 0 )
-    ARFile << ARFILE_PAD;
-}
-
-// Write the entire archive to the file specified when the archive was created.
-// This writes to a temporary file first. Options are for creating a symbol
-// table, flattening the file names (no directories, 15 chars max) and
-// compressing each archive member.
-bool
-Archive::writeToDisk(bool CreateSymbolTable, bool TruncateNames, bool Compress,
-                     std::string* ErrMsg)
-{
-  // Make sure they haven't opened up the file, not loaded it,
-  // but are now trying to write it which would wipe out the file.
-  if (members.empty() && mapfile->size() > 8) {
-    if (ErrMsg)
-      *ErrMsg = "Can't write an archive not opened for writing";
-    return true;
-  }
-
-  // Create a temporary file to store the archive in
-  sys::Path TmpArchive = archPath;
-  if (TmpArchive.createTemporaryFileOnDisk(ErrMsg))
-    return true;
-
-  // Make sure the temporary gets removed if we crash
-  sys::RemoveFileOnSignal(TmpArchive);
-
-  // Create archive file for output.
-  std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
-                               std::ios::binary;
-  std::ofstream ArchiveFile(TmpArchive.c_str(), io_mode);
-
-  // Check for errors opening or creating archive file.
-  if (!ArchiveFile.is_open() || ArchiveFile.bad()) {
-    if (TmpArchive.exists())
-      TmpArchive.eraseFromDisk();
-    if (ErrMsg)
-      *ErrMsg = "Error opening archive file: " + archPath.toString();
-    return true;
-  }
-
-  // If we're creating a symbol table, reset it now
-  if (CreateSymbolTable) {
-    symTabSize = 0;
-    symTab.clear();
-  }
-
-  // Write magic string to archive.
-  ArchiveFile << ARFILE_MAGIC;
-
-  // Loop over all member files, and write them out. Note that this also
-  // builds the symbol table, symTab.
-  for (MembersList::iterator I = begin(), E = end(); I != E; ++I) {
-    if (writeMember(*I, ArchiveFile, CreateSymbolTable,
-                     TruncateNames, Compress, ErrMsg)) {
-      if (TmpArchive.exists())
-        TmpArchive.eraseFromDisk();
-      ArchiveFile.close();
-      return true;
-    }
-  }
-
-  // Close archive file.
-  ArchiveFile.close();
-
-  // Write the symbol table
-  if (CreateSymbolTable) {
-    // At this point we have written a file that is a legal archive but it
-    // doesn't have a symbol table in it. To aid in faster reading and to
-    // ensure compatibility with other archivers we need to put the symbol
-    // table first in the file. Unfortunately, this means mapping the file
-    // we just wrote back in and copying it to the destination file.
-
-    // Map in the archive we just wrote.
-    sys::MappedFile arch;
-    if (arch.open(TmpArchive, sys::MappedFile::READ_ACCESS, ErrMsg))
-      return true;
-    const char* base;
-    if (!(base = (const char*) arch.map(ErrMsg)))
-      return true;
-
-    // Open another temporary file in order to avoid invalidating the 
-    // mmapped data
-    sys::Path FinalFilePath = archPath;
-    if (FinalFilePath.createTemporaryFileOnDisk(ErrMsg))
-      return true;
-    sys::RemoveFileOnSignal(FinalFilePath);
-
-    std::ofstream FinalFile(FinalFilePath.c_str(), io_mode);
-    if (!FinalFile.is_open() || FinalFile.bad()) {
-      if (TmpArchive.exists())
-        TmpArchive.eraseFromDisk();
-      if (ErrMsg)
-        *ErrMsg = "Error opening archive file: " + FinalFilePath.toString();
-      return true;
-    }
-
-    // Write the file magic number
-    FinalFile << ARFILE_MAGIC;
-
-    // If there is a foreign symbol table, put it into the file now. Most
-    // ar(1) implementations require the symbol table to be first but llvm-ar
-    // can deal with it being after a foreign symbol table. This ensures
-    // compatibility with other ar(1) implementations as well as allowing the
-    // archive to store both native .o and LLVM .bc files, both indexed.
-    if (foreignST) {
-      if (writeMember(*foreignST, FinalFile, false, false, false, ErrMsg)) {
-        FinalFile.close();
-        if (TmpArchive.exists())
-          TmpArchive.eraseFromDisk();
-        return true;
-      }
-    }
-
-    // Put out the LLVM symbol table now.
-    writeSymbolTable(FinalFile);
-
-    // Copy the temporary file contents being sure to skip the file's magic
-    // number.
-    FinalFile.write(base + sizeof(ARFILE_MAGIC)-1,
-      arch.size()-sizeof(ARFILE_MAGIC)+1);
-
-    // Close up shop
-    FinalFile.close();
-    arch.close();
-    
-    // Move the final file over top of TmpArchive
-    if (FinalFilePath.renamePathOnDisk(TmpArchive, ErrMsg))
-      return true;
-  }
-  
-  // Before we replace the actual archive, we need to forget all the
-  // members, since they point to data in that old archive. We need to do
-  // this because we cannot replace an open file on Windows.
-  cleanUpMemory();
-  
-  if (TmpArchive.renamePathOnDisk(archPath, ErrMsg))
-    return true;
-
-  return false;
-}
diff --git a/lib/Bytecode/Archive/Makefile b/lib/Bytecode/Archive/Makefile
deleted file mode 100644
index 0ecf38b93f..0000000000
--- a/lib/Bytecode/Archive/Makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-##===- lib/Bytecode/Archive/Makefile -----------------------*- Makefile -*-===##
-# 
-#                     The LLVM Compiler Infrastructure
-#
-# This file was developed by Reid Spencer and is distributed under the 
-# University of Illinois Open Source License. See LICENSE.TXT for details.
-# 
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../../..
-LIBRARYNAME = LLVMArchive
-
-# We only want an archive so only those modules actually used by a tool are 
-# included.
-BUILD_ARCHIVE := 1
-
-include $(LEVEL)/Makefile.common