Rename Unix/*.cpp and Win32/*.cpp to have a *.inc suffix so that the silly

gdb debugger doesn't get confused on which file it is reading (the one in
lib/System or the one in lib/System/{Win32,Unix})


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19426 91177308-0d34-0410-b5e6-96231b3b80d8

7 files changed, 0 insertions, 1568 deletions

diff --git a/lib/System/Unix/MappedFile.cpp b/lib/System/Unix/MappedFile.cpp
deleted file mode 100644
index 07683c1439..0000000000
--- a/lib/System/Unix/MappedFile.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-//===- Unix/MappedFile.cpp - Unix MappedFile Implementation -----*- 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 provides the generic Unix implementation of the MappedFile concept.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-#include "llvm/System/Process.h"
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
-namespace llvm {
-using namespace sys;
-
-struct sys::MappedFileInfo {
-  int fd_;
-  struct stat sbuf_;
-};
-
-void MappedFile::initialize() {
-  if (path_.exists()) {
-    info_ = new MappedFileInfo;
-    int mode = 0;
-    if (options_&READ_ACCESS) 
-      if (options_&WRITE_ACCESS)
-        mode = O_RDWR;
-      else
-        mode = O_RDONLY;
-    else if (options_&WRITE_ACCESS)
-      mode = O_WRONLY;
-    info_->fd_ = ::open(path_.c_str(),mode);
-    if (info_->fd_ < 0) {
-      delete info_;
-      info_ = 0;
-      ThrowErrno(std::string("Can't open file: ") + path_.toString());
-    }
-    struct stat sbuf;
-    if(::fstat(info_->fd_, &info_->sbuf_) < 0) {
-      ::close(info_->fd_);
-      delete info_;
-      info_ = 0;
-      ThrowErrno(std::string("Can't stat file: ") + path_.toString());
-    }
-  } else {
-    throw std::string("Can't open file: ") + path_.toString();
-  }
-}
-
-void MappedFile::terminate() {
-  assert(info_ && "MappedFile not initialized");
-  if (info_->fd_ >= 0)
-    ::close(info_->fd_);
-  delete info_;
-  info_ = 0;
-}
-
-void MappedFile::unmap() {
-  assert(info_ && "MappedFile not initialized");
-  if (isMapped()) {
-    if (options_ & WRITE_ACCESS)
-      ::msync(base_, info_->sbuf_.st_size, MS_SYNC);
-    ::munmap(base_, info_->sbuf_.st_size);
-  }
-}
-
-void* MappedFile::map() {
-  assert(info_ && "MappedFile not initialized");
-  if (!isMapped()) {
-    int prot = PROT_NONE;
-    int flags = 0;
-#ifdef MAP_FILE
-    flags |= MAP_FILE;
-#endif
-    if (options_ == 0) {
-      prot = PROT_READ;
-      flags = MAP_PRIVATE;
-    } else {
-      if (options_ & READ_ACCESS)
-        prot |= PROT_READ;
-      if (options_ & WRITE_ACCESS)
-        prot |= PROT_WRITE;
-      if (options_ & EXEC_ACCESS)
-        prot |= PROT_EXEC;
-      if (options_ & SHARED_MAPPING)
-        flags |= MAP_SHARED;
-      else
-        flags |= MAP_PRIVATE;
-    }
-    size_t map_size = ((info_->sbuf_.st_size / Process::GetPageSize())+1) *
-      Process::GetPageSize();
-
-    base_ = ::mmap(0, map_size, prot, flags, info_->fd_, 0);
-    if (base_ == MAP_FAILED)
-      ThrowErrno(std::string("Can't map file:") + path_.toString());
-  }
-  return base_;
-}
-
-size_t MappedFile::size() const {
-  assert(info_ && "MappedFile not initialized");
-  return info_->sbuf_.st_size;
-}
-
-void MappedFile::size(size_t new_size) {
-  assert(info_ && "MappedFile not initialized");
-
-  // Take the mapping out of memory
-  this->unmap();
-
-  // Adjust the current size to a page boundary
-  size_t cur_size = ((info_->sbuf_.st_size / Process::GetPageSize())+1) *
-    Process::GetPageSize();
-
-  // Adjust the new_size to a page boundary
-  new_size = ((new_size / Process::GetPageSize())+1) *
-    Process::GetPageSize();
-
-  // If the file needs to be extended
-  if (new_size > cur_size) {
-    // Ensure we can allocate at least the idodes necessary to handle the
-    // file size requested. 
-    ::lseek(info_->fd_, new_size, SEEK_SET);
-    ::write(info_->fd_, "\0", 1);
-  }
-
-  // Seek to current end of file. 
-  this->map();
-}
-
-}
-
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Unix/Memory.cpp b/lib/System/Unix/Memory.cpp
deleted file mode 100644
index 370b318955..0000000000
--- a/lib/System/Unix/Memory.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-//===- Unix/Memory.cpp - Generic UNIX System Configuration ------*- 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 defines some functions for various memory management utilities.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-#include "llvm/System/Process.h"
-
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-
-namespace llvm {
-
-/// AllocateRWXMemory - Allocate a slab of memory with read/write/execute
-/// permissions.  This is typically used for JIT applications where we want
-/// to emit code to the memory then jump to it.  Getting this type of memory
-/// is very OS specific.
-///
-MemoryBlock Memory::AllocateRWX(unsigned NumBytes) {
-  if (NumBytes == 0) return MemoryBlock();
-
-  long pageSize = Process::GetPageSize();
-  unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
-
-  int fd = -1;
-#ifdef NEED_DEV_ZERO_FOR_MMAP
-  static int zero_fd = open("/dev/zero", O_RDWR);
-  if (zero_fd == -1) {
-    ThrowErrno("Can't open /dev/zero device");
-  }
-  fd = zero_fd;
-#endif
-
-  int flags = MAP_PRIVATE |
-#ifdef HAVE_MMAP_ANONYMOUS
-  MAP_ANONYMOUS
-#else
-  MAP_ANON
-#endif
-  ;
-  void *pa = ::mmap(0, pageSize*NumPages, PROT_READ|PROT_WRITE|PROT_EXEC,
-                    flags, fd, 0);
-  if (pa == MAP_FAILED) {
-    ThrowErrno("Can't allocate RWX Memory");
-  }
-  MemoryBlock result;
-  result.Address = pa;
-  result.Size = NumPages*pageSize;
-  return result;
-}
-
-void Memory::ReleaseRWX(MemoryBlock& M) {
-  if (M.Address == 0 || M.Size == 0) return;
-  if (0 != ::munmap(M.Address, M.Size)) {
-    ThrowErrno("Can't release RWX Memory");
-  }
-}
-
-}
-
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Unix/Path.cpp b/lib/System/Unix/Path.cpp
deleted file mode 100644
index 99923335c5..0000000000
--- a/lib/System/Unix/Path.cpp
+++ /dev/null
@@ -1,752 +0,0 @@
-//===- llvm/System/Unix/Path.cpp - Unix Path Implementation -----*- 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 implements the Unix specific portion of the Path class.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Config/alloca.h"
-#include "Unix.h"
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#if HAVE_UTIME_H
-#include <utime.h>
-#endif
-#if HAVE_TIME_H
-#include <time.h>
-#endif
-#if HAVE_DIRENT_H
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# if HAVE_SYS_NDIR_H
-#  include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-#  include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-#  include <ndir.h>
-# endif
-#endif
-
-
-namespace llvm {
-using namespace sys;
-
-Path::Path(const std::string& unverified_path) : path(unverified_path) {
-  if (unverified_path.empty())
-    return;
-  if (this->isValid()) 
-    return;
-  // oops, not valid.
-  path.clear();
-  ThrowErrno(unverified_path + ": path is not valid");
-}
-
-bool 
-Path::isValid() const {
-  if (path.empty()) 
-    return false;
-  else if (path.length() >= MAXPATHLEN)
-    return false;
-#if defined(HAVE_REALPATH)
-  char pathname[MAXPATHLEN];
-  if (0 == realpath(path.c_str(), pathname))
-    if (errno != EACCES && errno != EIO && errno != ENOENT && errno != ENOTDIR)
-      return false;
-#endif
-  return true;
-}
-
-Path
-Path::GetRootDirectory() {
-  Path result;
-  result.setDirectory("/");
-  return result;
-}
-
-Path
-Path::GetTemporaryDirectory() {
-#if defined(HAVE_MKDTEMP)
-  // The best way is with mkdtemp but that's not available on many systems, 
-  // Linux and FreeBSD have it. Others probably won't.
-  char pathname[MAXPATHLEN];
-  strcpy(pathname,"/tmp/llvm_XXXXXX");
-  if (0 == mkdtemp(pathname))
-    ThrowErrno(std::string(pathname) + ": Can't create temporary directory");
-  Path result;
-  result.setDirectory(pathname);
-  assert(result.isValid() && "mkdtemp didn't create a valid pathname!");
-  return result;
-#elif defined(HAVE_MKSTEMP)
-  // If no mkdtemp is available, mkstemp can be used to create a temporary file
-  // which is then removed and created as a directory. We prefer this over
-  // mktemp because of mktemp's inherent security and threading risks. We still
-  // have a slight race condition from the time the temporary file is created to
-  // the time it is re-created as a directoy. 
-  char pathname[MAXPATHLEN];
-  strcpy(pathname, "/tmp/llvm_XXXXXX");
-  int fd = 0;
-  if (-1 == (fd = mkstemp(pathname)))
-    ThrowErrno(std::string(pathname) + ": Can't create temporary directory");
-  ::close(fd);
-  ::unlink(pathname); // start race condition, ignore errors
-  if (-1 == ::mkdir(pathname, S_IRWXU)) // end race condition
-    ThrowErrno(std::string(pathname) + ": Can't create temporary directory");
-  Path result;
-  result.setDirectory(pathname);
-  assert(result.isValid() && "mkstemp didn't create a valid pathname!");
-  return result;
-#elif defined(HAVE_MKTEMP)
-  // If a system doesn't have mkdtemp(3) or mkstemp(3) but it does have
-  // mktemp(3) then we'll assume that system (e.g. AIX) has a reasonable
-  // implementation of mktemp(3) and doesn't follow BSD 4.3's lead of replacing
-  // the XXXXXX with the pid of the process and a letter. That leads to only
-  // twenty six temporary files that can be generated.
-  char pathname[MAXPATHLEN];
-  strcpy(pathname, "/tmp/llvm_XXXXXX");
-  char *TmpName = ::mktemp(pathname);
-  if (TmpName == 0)
-    throw std::string(TmpName) + ": Can't create unique directory name";
-  if (-1 == ::mkdir(TmpName, S_IRWXU))
-    ThrowErrno(std::string(TmpName) + ": Can't create temporary directory");
-  Path result;
-  result.setDirectory(TmpName);
-  assert(result.isValid() && "mktemp didn't create a valid pathname!");
-  return result;
-#else
-  // This is the worst case implementation. tempnam(3) leaks memory unless its
-  // on an SVID2 (or later) system. On BSD 4.3 it leaks. tmpnam(3) has thread
-  // issues. The mktemp(3) function doesn't have enough variability in the
-  // temporary name generated. So, we provide our own implementation that 
-  // increments an integer from a random number seeded by the current time. This
-  // should be sufficiently unique that we don't have many collisions between
-  // processes. Generally LLVM processes don't run very long and don't use very
-  // many temporary files so this shouldn't be a big issue for LLVM.
-  static time_t num = ::time(0);
-  char pathname[MAXPATHLEN];
-  do {
-    num++;
-    sprintf(pathname, "/tmp/llvm_%010u", unsigned(num));
-  } while ( 0 == access(pathname, F_OK ) );
-  if (-1 == ::mkdir(pathname, S_IRWXU))
-    ThrowErrno(std::string(pathname) + ": Can't create temporary directory");
-  Path result;
-  result.setDirectory(pathname);
-  assert(result.isValid() && "mkstemp didn't create a valid pathname!");
-  return result;
-#endif
-}
-
-static void getPathList(const char*path, std::vector<sys::Path>& Paths) {
-  const char* at = path;
-  const char* delim = strchr(at, ':');
-  Path tmpPath;
-  while( delim != 0 ) {
-    std::string tmp(at, size_t(delim-at));
-    if (tmpPath.setDirectory(tmp))
-      if (tmpPath.readable())
-        Paths.push_back(tmpPath);
-    at = delim + 1;
-    delim = strchr(at, ':');
-  }
-  if (*at != 0)
-    if (tmpPath.setDirectory(std::string(at)))
-      if (tmpPath.readable())
-        Paths.push_back(tmpPath);
-
-}
-
-void 
-Path::GetSystemLibraryPaths(std::vector<sys::Path>& Paths) {
-#ifdef LTDL_SHLIBPATH_VAR
-  char* env_var = getenv(LTDL_SHLIBPATH_VAR);
-  if (env_var != 0) {
-    getPathList(env_var,Paths);
-  }
-#endif
-  // FIXME: Should this look at LD_LIBRARY_PATH too?
-  Paths.push_back(sys::Path("/usr/local/lib/"));
-  Paths.push_back(sys::Path("/usr/X11R6/lib/"));
-  Paths.push_back(sys::Path("/usr/lib/"));
-  Paths.push_back(sys::Path("/lib/"));
-}
-
-void
-Path::GetBytecodeLibraryPaths(std::vector<sys::Path>& Paths) {
-  char * env_var = getenv("LLVM_LIB_SEARCH_PATH");
-  if (env_var != 0) {
-    getPathList(env_var,Paths);
-  }
-#ifdef LLVM_LIBDIR
-  {
-    Path tmpPath;
-    if (tmpPath.setDirectory(LLVM_LIBDIR))
-      if (tmpPath.readable())
-        Paths.push_back(tmpPath);
-  }
-#endif
-  GetSystemLibraryPaths(Paths);
-}
-
-Path 
-Path::GetLLVMDefaultConfigDir() {
-  return Path("/etc/llvm/");
-}
-
-Path
-Path::GetUserHomeDirectory() {
-  const char* home = getenv("HOME");
-  if (home) {
-    Path result;
-    if (result.setDirectory(home))
-      return result;
-  }
-  return GetRootDirectory();
-}
-
-bool
-Path::isFile() const {
-  return (isValid() && path[path.length()-1] != '/');
-}
-
-bool
-Path::isDirectory() const {
-  return (isValid() && path[path.length()-1] == '/');
-}
-
-std::string
-Path::getBasename() const {
-  // Find the last slash
-  size_t slash = path.rfind('/');
-  if (slash == std::string::npos)
-    slash = 0;
-  else
-    slash++;
-
-  return path.substr(slash, path.rfind('.'));
-}
-
-bool Path::hasMagicNumber(const std::string &Magic) const {
-  size_t len = Magic.size();
-  assert(len < 1024 && "Request for magic string too long");
-  char* buf = (char*) alloca(1 + len);
-  int fd = ::open(path.c_str(),O_RDONLY);
-  if (fd < 0)
-    return false;
-  size_t read_len = ::read(fd, buf, len);
-  close(fd);
-  if (len != read_len)
-    return false;
-  buf[len] = '\0';
-  return Magic == buf;
-}
-
-bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
-  if (!isFile())
-    return false;
-  assert(len < 1024 && "Request for magic string too long");
-  char* buf = (char*) alloca(1 + len);
-  int fd = ::open(path.c_str(),O_RDONLY);
-  if (fd < 0)
-    return false;
-  ssize_t bytes_read = ::read(fd, buf, len);
-  ::close(fd);
-  if (ssize_t(len) != bytes_read) {
-    Magic.clear();
-    return false;
-  }
-  Magic.assign(buf,len);
-  return true;
-}
-
-bool 
-Path::isBytecodeFile() const {
-  char buffer[ 4];
-  buffer[0] = 0;
-  int fd = ::open(path.c_str(),O_RDONLY);
-  if (fd < 0)
-    return false;
-  ssize_t bytes_read = ::read(fd, buffer, 4);
-  ::close(fd);
-  if (4 != bytes_read) 
-    return false;
-
-  return (buffer[0] == 'l' && buffer[1] == 'l' && buffer[2] == 'v' &&
-      (buffer[3] == 'c' || buffer[3] == 'm'));
-}
-
-bool
-Path::exists() const {
-  return 0 == access(path.c_str(), F_OK );
-}
-
-bool
-Path::readable() const {
-  return 0 == access(path.c_str(), F_OK | R_OK );
-}
-
-bool
-Path::writable() const {
-  return 0 == access(path.c_str(), F_OK | W_OK );
-}
-
-bool
-Path::executable() const {
-  return 0 == access(path.c_str(), R_OK | X_OK );
-}
-
-std::string 
-Path::getLast() const {
-  // Find the last slash
-  size_t pos = path.rfind('/');
-
-  // Handle the corner cases
-  if (pos == std::string::npos)
-    return path;
-
-  // If the last character is a slash
-  if (pos == path.length()-1) {
-    // Find the second to last slash
-    size_t pos2 = path.rfind('/', pos-1);
-    if (pos2 == std::string::npos)
-      return path.substr(0,pos);
-    else
-      return path.substr(pos2+1,pos-pos2-1);
-  }
-  // Return everything after the last slash
-  return path.substr(pos+1);
-}
-
-void
-Path::getStatusInfo(StatusInfo& info) const {
-  struct stat buf;
-  if (0 != stat(path.c_str(), &buf)) {
-    ThrowErrno(std::string("Can't get status: ")+path);
-  }
-  info.fileSize = buf.st_size;
-  info.modTime.fromEpochTime(buf.st_mtime);
-  info.mode = buf.st_mode;
-  info.user = buf.st_uid;
-  info.group = buf.st_gid;
-  info.isDir = S_ISDIR(buf.st_mode);
-  if (info.isDir && path[path.length()-1] != '/')
-    path += '/';
-}
-
-static bool AddPermissionBits(const std::string& Filename, int bits) {
-  // Get the umask value from the operating system.  We want to use it
-  // when changing the file's permissions. Since calling umask() sets
-  // the umask and returns its old value, we must call it a second
-  // time to reset it to the user's preference.
-  int mask = umask(0777); // The arg. to umask is arbitrary.
-  umask(mask);            // Restore the umask.
-
-  // Get the file's current mode.
-  struct stat st;
-  if ((stat(Filename.c_str(), &st)) == -1)
-    return false;
-
-  // Change the file to have whichever permissions bits from 'bits'
-  // that the umask would not disable.
-  if ((chmod(Filename.c_str(), (st.st_mode | (bits & ~mask)))) == -1)
-    return false;
-
-  return true;
-}
-
-void Path::makeReadable() {
-  if (!AddPermissionBits(path,0444))
-    ThrowErrno(path + ": can't make file readable");
-}
-
-void Path::makeWriteable() {
-  if (!AddPermissionBits(path,0222))
-    ThrowErrno(path + ": can't make file writable");
-}
-
-void Path::makeExecutable() {
-  if (!AddPermissionBits(path,0111))
-    ThrowErrno(path + ": can't make file executable");
-}
-
-bool
-Path::getDirectoryContents(std::set<Path>& result) const {
-  if (!isDirectory())
-    return false;
-  DIR* direntries = ::opendir(path.c_str());
-  if (direntries == 0)
-    ThrowErrno(path + ": can't open directory");
-
-  result.clear();
-  struct dirent* de = ::readdir(direntries);
-  while (de != 0) {
-    if (de->d_name[0] != '.') {
-      Path aPath(path + (const char*)de->d_name);
-      struct stat buf;
-      if (0 != stat(aPath.path.c_str(), &buf))
-        ThrowErrno(aPath.path + ": can't get status");
-      if (S_ISDIR(buf.st_mode))
-        aPath.path += "/";
-      result.insert(aPath);
-    }
-    de = ::readdir(direntries);
-  }
-  
-  closedir(direntries);
-  return true;
-}
-
-bool
-Path::setDirectory(const std::string& a_path) {
-  if (a_path.size() == 0)
-    return false;
-  Path save(*this);
-  path = a_path;
-  size_t last = a_path.size() -1;
-  if (a_path[last] != '/')
-    path += '/';
-  if (!isValid()) {
-    path = save.path;
-    return false;
-  }
-  return true;
-}
-
-bool
-Path::setFile(const std::string& a_path) {
-  if (a_path.size() == 0)
-    return false;
-  Path save(*this);
-  path = a_path;
-  size_t last = a_path.size() - 1;
-  while (last > 0 && a_path[last] == '/')
-    last--;
-  path.erase(last+1);
-  if (!isValid()) {
-    path = save.path;
-    return false;
-  }
-  return true;
-}
-
-bool
-Path::appendDirectory(const std::string& dir) {
-  if (isFile()) 
-    return false;
-  Path save(*this);
-  path += dir;
-  path += "/";
-  if (!isValid()) {
-    path = save.path;
-    return false;
-  }
-  return true;
-}
-
-bool
-Path::elideDirectory() {
-  if (isFile()) 
-    return false;
-  size_t slashpos = path.rfind('/',path.size());
-  if (slashpos == 0 || slashpos == std::string::npos)
-    return false;
-  if (slashpos == path.size() - 1)
-    slashpos = path.rfind('/',slashpos-1);
-  if (slashpos == std::string::npos)
-    return false;
-  path.erase(slashpos);
-  return true;
-}
-
-bool
-Path::appendFile(const std::string& file) {
-  if (!isDirectory()) 
-    return false;
-  Path save(*this);
-  path += file;
-  if (!isValid()) {
-    path = save.path;
-    return false;
-  }
-  return true;
-}
-
-bool
-Path::elideFile() {
-  if (isDirectory()) 
-    return false;
-  size_t slashpos = path.rfind('/',path.size());
-  if (slashpos == std::string::npos)
-    return false;
-  path.erase(slashpos+1);
-  return true;
-}
-
-bool
-Path::appendSuffix(const std::string& suffix) {
-  if (isDirectory()) 
-    return false;
-  Path save(*this);
-  path.append(".");
-  path.append(suffix);
-  if (!isValid()) {
-    path = save.path;
-    return false;
-  }
-  return true;
-}
-
-bool 
-Path::elideSuffix() {
-  if (isDirectory()) return false;
-  size_t dotpos = path.rfind('.',path.size());
-  size_t slashpos = path.rfind('/',path.size());
-  if (slashpos != std::string::npos && dotpos != std::string::npos &&
-      dotpos > slashpos) {
-    path.erase(dotpos, path.size()-dotpos);
-    return true;
-  }
-  return false;
-}
-
-
-bool
-Path::createDirectory( bool create_parents) {
-  // Make sure we're dealing with a directory
-  if (!isDirectory()) return false;
-
-  // Get a writeable copy of the path name
-  char pathname[MAXPATHLEN];
-  path.copy(pathname,MAXPATHLEN);
-
-  // Null-terminate the last component
-  int lastchar = path.length() - 1 ; 
-  if (pathname[lastchar] == '/') 
-    pathname[lastchar] = 0;
-  else 
-    pathname[lastchar+1] = 0;
-
-  // If we're supposed to create intermediate directories
-  if ( create_parents ) {
-    // Find the end of the initial name component
-    char * next = strchr(pathname,'/');
-    if ( pathname[0] == '/') 
-      next = strchr(&pathname[1],'/');
-
-    // Loop through the directory components until we're done 
-    while ( next != 0 ) {
-      *next = 0;
-      if (0 != access(pathname, F_OK | R_OK | W_OK))
-        if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
-          ThrowErrno(std::string(pathname) + ": Can't create directory");
-      char* save = next;
-      next = strchr(next+1,'/');
-      *save = '/';
-    }
-  } 
-
-  if (0 != access(pathname, F_OK | R_OK))
-    if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
-      ThrowErrno(std::string(pathname) + ": Can't create directory");
-  return true;
-}
-
-bool
-Path::createFile() {
-  // Make sure we're dealing with a file
-  if (!isFile()) return false; 
-
-  // Create the file
-  int fd = ::creat(path.c_str(), S_IRUSR | S_IWUSR);
-  if (fd < 0)
-    ThrowErrno(path + ": Can't create file");
-  ::close(fd);
-
-  return true;
-}
-
-bool
-Path::createTemporaryFile(bool reuse_current) {
-  // Make sure we're dealing with a file
-  if (!isFile()) 
-    return false;
-
-  // Make this into a unique file name
-  makeUnique( reuse_current );
-
-  // create the file
-  int outFile = ::open(path.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0666);
-  if (outFile != -1) {
-    ::close(outFile);
-    return true;
-  }
-  return false;
-}
-
-bool
-Path::destroyDirectory(bool remove_contents) const {
-  // Make sure we're dealing with a directory
-  if (!isDirectory()) return false;
-
-  // If it doesn't exist, we're done.
-  if (!exists()) return true;
-
-  if (remove_contents) {
-    // Recursively descend the directory to remove its content
-    std::string cmd("/bin/rm -rf ");
-    cmd += path;
-    system(cmd.c_str());
-  } else {
-    // Otherwise, try to just remove the one directory
-    char pathname[MAXPATHLEN];
-    path.copy(pathname,MAXPATHLEN);
-    int lastchar = path.length() - 1 ; 
-    if (pathname[lastchar] == '/') 
-      pathname[lastchar] = 0;
-    else
-      pathname[lastchar+1] = 0;
-    if ( 0 != rmdir(pathname))
-      ThrowErrno(std::string(pathname) + ": Can't destroy directory");
-  }
-  return true;
-}
-
-bool
-Path::destroyFile() const {
-  if (!isFile()) return false;
-  if (0 != unlink(path.c_str()))
-    ThrowErrno(path + ": Can't destroy file");
-  return true;
-}
-
-bool
-Path::renameFile(const Path& newName) {
-  if (!isFile()) return false;
-  if (0 != rename(path.c_str(), newName.c_str()))
-    ThrowErrno(std::string("can't rename ") + path + " as " + 
-               newName.toString());
-  return true;
-}
-
-bool
-Path::setStatusInfo(const StatusInfo& si) const {
-  if (!isFile()) return false;
-  struct utimbuf utb;
-  utb.actime = si.modTime.toPosixTime();
-  utb.modtime = utb.actime;
-  if (0 != ::utime(path.c_str(),&utb))
-    ThrowErrno(path + ": can't set file modification time");
-  if (0 != ::chmod(path.c_str(),si.mode))
-    ThrowErrno(path + ": can't set mode");
-  return true;
-}
-
-void 
-sys::CopyFile(const sys::Path &Dest, const sys::Path &Src) {
-  int inFile = -1;
-  int outFile = -1;
-  try {
-    inFile = ::open(Src.c_str(), O_RDONLY);
-    if (inFile == -1)
-      ThrowErrno("Cannnot open source file to copy: " + Src.toString());
-
-    outFile = ::open(Dest.c_str(), O_WRONLY|O_CREAT, 0666);
-    if (outFile == -1)
-      ThrowErrno("Cannnot create destination file for copy: " +Dest.toString());
-
-    char Buffer[16*1024];
-    while (ssize_t Amt = ::read(inFile, Buffer, 16*1024)) {
-      if (Amt == -1) {
-        if (errno != EINTR && errno != EAGAIN) 
-          ThrowErrno("Can't read source file: " + Src.toString());
-      } else {
-        char *BufPtr = Buffer;
-        while (Amt) {
-          ssize_t AmtWritten = ::write(outFile, BufPtr, Amt);
-          if (AmtWritten == -1) {
-            if (errno != EINTR && errno != EAGAIN) 
-              ThrowErrno("Can't write destination file: " + Dest.toString());
-          } else {
-            Amt -= AmtWritten;
-            BufPtr += AmtWritten;
-          }
-        }
-      }
-    }
-    ::close(inFile);
-    ::close(outFile);
-  } catch (...) {
-    if (inFile != -1)
-      ::close(inFile);
-    if (outFile != -1)
-      ::close(outFile);
-    throw;
-  }
-}
-
-void 
-Path::makeUnique(bool reuse_current) {
-  if (reuse_current && !exists())
-    return; // File doesn't exist already, just use it!
-
-  // Append an XXXXXX pattern to the end of the file for use with mkstemp, 
-  // mktemp or our own implementation.
-  char *FNBuffer = (char*) alloca(path.size()+8);
-  path.copy(FNBuffer,path.size());
-  strcpy(FNBuffer+path.size(), "-XXXXXX");
-
-#if defined(HAVE_MKSTEMP)
-  int TempFD;
-  if ((TempFD = mkstemp(FNBuffer)) == -1) {
-    ThrowErrno("Cannot make unique filename for '" + path + "'");
-  }
-
-  // We don't need to hold the temp file descriptor... we will trust that no one
-  // will overwrite/delete the file before we can open it again.
-  close(TempFD);
-
-  // Save the name
-  path = FNBuffer;
-#elif defined(HAVE_MKTEMP)
-  // If we don't have mkstemp, use the old and obsolete mktemp function.
-  if (mktemp(FNBuffer) == 0) {
-    ThrowErrno("Cannot make unique filename for '" + path + "'");
-  }
-
-  // Save the name
-  path = FNBuffer;
-#else
-  // Okay, looks like we have to do it all by our lonesome.
-  static unsigned FCounter = 0;
-  unsigned offset = path.size() + 1;
-  while ( FCounter < 999999 && exists()) {
-    sprintf(FNBuffer+offset,"%06u",++FCounter);
-    path = FNBuffer;
-  }
-  if (FCounter > 999999)
-    throw std::string("Cannot make unique filename for '" + path + "'");
-#endif
-
-}
-}
-
-// vim: sw=2
diff --git a/lib/System/Unix/Process.cpp b/lib/System/Unix/Process.cpp
deleted file mode 100644
index 1c1373ebb5..0000000000
--- a/lib/System/Unix/Process.cpp
+++ /dev/null
@@ -1,150 +0,0 @@
-//===- Unix/Process.cpp - Unix Process Implementation --------- -*- 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 provides the generic Unix implementation of the Process class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_SYS_RESOURCE_H
-#include <sys/resource.h>
-#endif
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-namespace llvm {
-using namespace sys;
-
-unsigned 
-Process::GetPageSize() 
-{
-#if defined(HAVE_GETPAGESIZE)
-  static const int page_size = ::getpagesize();
-#elif defined(HAVE_SYSCONF)
-  static long page_size = ::sysconf(_SC_PAGE_SIZE);
-#else
-#warning Cannot get the page size on this machine
-#endif
-  return static_cast<unsigned>(page_size);
-}
-
-#if defined(HAVE_SBRK)
-static char* som = reinterpret_cast<char*>(::sbrk(0));
-#endif
-
-size_t 
-Process::GetMallocUsage()
-{
-#if defined(HAVE_MALLINFO)
-  struct mallinfo mi;
-  mi = ::mallinfo();
-  return mi.uordblks;
-#elif defined(HAVE_SBRK)
-  // Note this is only an approximation and more closely resembles
-  // the value returned by mallinfo in the arena field.
-  char * eom = (char*) sbrk(0);
-  if (eom != ((char*)-1) && som != ((char*)-1))
-    return eom - som;
-  else
-    return 0;
-#else
-#warning Cannot get malloc info on this platform
-  return 0;
-#endif
-}
-
-size_t
-Process::GetTotalMemoryUsage()
-{
-#if defined(HAVE_MALLINFO)
-  struct mallinfo mi = ::mallinfo();
-  return mi.uordblks + mi.hblkhd;
-#elif defined(HAVE_GETRUSAGE)
-  struct rusage usage;
-  ::getrusage(RUSAGE_SELF, &usage);
-  return usage.ru_maxrss;
-#else
-#warning Cannot get total memory size on this platform
-  return 0;
-#endif
-}
-
-void
-Process::GetTimeUsage(TimeValue& elapsed, TimeValue& user_time, 
-                      TimeValue& sys_time)
-{
-  elapsed = TimeValue::now();
-#if defined(HAVE_GETRUSAGE)
-  struct rusage usage;
-  ::getrusage(RUSAGE_SELF, &usage);
-  user_time = TimeValue( 
-    static_cast<TimeValue::SecondsType>( usage.ru_utime.tv_sec ), 
-    static_cast<TimeValue::NanoSecondsType>( usage.ru_utime.tv_usec * 
-      TimeValue::NANOSECONDS_PER_MICROSECOND ) );
-  sys_time = TimeValue( 
-    static_cast<TimeValue::SecondsType>( usage.ru_stime.tv_sec ), 
-    static_cast<TimeValue::NanoSecondsType>( usage.ru_stime.tv_usec * 
-      TimeValue::NANOSECONDS_PER_MICROSECOND ) );
-#else
-#warning Cannot get usage times on this platform
-  user_time.seconds(0);
-  user_time.microseconds(0);
-  sys_time.seconds(0);
-  sys_time.microseconds(0);
-#endif
-}
-
-// Some LLVM programs such as bugpoint produce core files as a normal part of
-// their operation. To prevent the disk from filling up, this function
-// does what's necessary to prevent their generation.
-void Process::PreventCoreFiles() {
-#if HAVE_SETRLIMIT
-  struct rlimit rlim;
-  rlim.rlim_cur = rlim.rlim_max = 0;
-  int res = setrlimit(RLIMIT_CORE, &rlim);
-  if (res != 0)
-    ThrowErrno("Can't prevent core file generation");
-#endif
-}
-
-bool Process::StandardInIsUserInput() {
-#if HAVE_ISATTY
-  return isatty(0);
-#endif
-  // If we don't have isatty, just return false.
-  return false;
-}
-
-bool Process::StandardOutIsDisplayed() {
-#if HAVE_ISATTY
-  return isatty(1);
-#endif
-  // If we don't have isatty, just return false.
-  return false;
-}
-
-bool Process::StandardErrIsDisplayed() {
-#if HAVE_ISATTY
-  return isatty(2);
-#endif
-  // If we don't have isatty, just return false.
-  return false;
-}
-
-}
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Unix/Program.cpp b/lib/System/Unix/Program.cpp
deleted file mode 100644
index 1bd3eae0f9..0000000000
--- a/lib/System/Unix/Program.cpp
+++ /dev/null
@@ -1,225 +0,0 @@
-//===- llvm/System/Unix/Program.cpp -----------------------------*- 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 implements the Unix specific portion of the Program class.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#include <llvm/Config/config.h>
-#include "Unix.h"
-#include <iostream>
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-extern char** environ;
-
-namespace llvm {
-using namespace sys;
-
-// This function just uses the PATH environment variable to find the program.
-Path
-Program::FindProgramByName(const std::string& progName) {
-
-  // Check some degenerate cases
-  if (progName.length() == 0) // no program
-    return Path();
-  Path temp;
-  if (!temp.setFile(progName)) // invalid name
-    return Path();
-  if (temp.executable()) // already executable as is
-    return temp;
-
-  // At this point, the file name is valid and its not executable
- 
-  // Get the path. If its empty, we can't do anything to find it.
-  const char *PathStr = getenv("PATH");
-  if (PathStr == 0) 
-    return Path();
-
-  // Now we have a colon separated list of directories to search; try them.
-  unsigned PathLen = strlen(PathStr);
-  while (PathLen) {
-    // Find the first colon...
-    const char *Colon = std::find(PathStr, PathStr+PathLen, ':');
-
-    // Check to see if this first directory contains the executable...
-    Path FilePath;
-    if (FilePath.setDirectory(std::string(PathStr,Colon))) {
-      FilePath.appendFile(progName);
-      if (FilePath.executable())
-        return FilePath;                    // Found the executable!
-    }
-
-    // Nope it wasn't in this directory, check the next path in the list!
-    PathLen -= Colon-PathStr;
-    PathStr = Colon;
-
-    // Advance past duplicate colons
-    while (*PathStr == ':') {
-      PathStr++;
-      PathLen--;
-    }
-  }
-  return Path();
-}
-
-static void RedirectFD(const std::string &File, int FD) {
-  if (File.empty()) return;  // Noop
-
-  // Open the file
-  int InFD = open(File.c_str(), FD == 0 ? O_RDONLY : O_WRONLY|O_CREAT, 0666);
-  if (InFD == -1) {
-    ThrowErrno("Cannot open file '" + File + "' for "
-              + (FD == 0 ? "input" : "output") + "!\n");
-  }
-
-  dup2(InFD, FD);   // Install it as the requested FD
-  close(InFD);      // Close the original FD
-}
-
-static bool Timeout = false;
-static void TimeOutHandler(int Sig) {
-  Timeout = true;
-}
-
-int 
-Program::ExecuteAndWait(const Path& path, 
-                        const char** args,
-                        const char** envp,
-                        const Path** redirects,
-                        unsigned secondsToWait
-) {
-  if (!path.executable())
-    throw path.toString() + " is not executable"; 
-
-#ifdef HAVE_SYS_WAIT_H
-  // Create a child process.
-  int child = fork();
-  switch (child) {
-    // An error occured:  Return to the caller.
-    case -1:
-      ThrowErrno(std::string("Couldn't execute program '") + path.toString() + 
-                 "'");
-      break;
-
-    // Child process: Execute the program.
-    case 0: {
-      // Redirect file descriptors...
-      if (redirects) {
-        if (redirects[0])
-          if (redirects[0]->isEmpty())
-            RedirectFD("/dev/null",0);
-          else
-            RedirectFD(redirects[0]->toString(), 0);
-        if (redirects[1])
-          if (redirects[1]->isEmpty())
-            RedirectFD("/dev/null",1);
-          else
-            RedirectFD(redirects[1]->toString(), 1);
-        if (redirects[1] && redirects[2] && 
-            *(redirects[1]) != *(redirects[2])) {
-          if (redirects[2]->isEmpty())
-            RedirectFD("/dev/null",2);
-          else
-            RedirectFD(redirects[2]->toString(), 2);
-        } else {
-          dup2(1, 2);
-        }
-      }
-
-      // Set up the environment
-      char** env = environ;
-      if (envp != 0)
-        env = (char**) envp;
-
-      // Execute!
-      execve (path.c_str(), (char** const)args, env);
-      // If the execve() failed, we should exit and let the parent pick up
-      // our non-zero exit status.
-      exit (errno);
-    }
-
-    // Parent process: Break out of the switch to do our processing.
-    default:
-      break;
-  }
-
-  // Make sure stderr and stdout have been flushed
-  std::cerr << std::flush;
-  std::cout << std::flush;
-  fsync(1);
-  fsync(2);
-
-  struct sigaction Act, Old;
-
-  // Install a timeout handler.
-  if (secondsToWait) {
-    Timeout = false;
-    Act.sa_sigaction = 0;
-    Act.sa_handler = TimeOutHandler;
-    sigemptyset(&Act.sa_mask);
-    Act.sa_flags = 0;
-    sigaction(SIGALRM, &Act, &Old);
-    alarm(secondsToWait);
-  }
-
-  // Parent process: Wait for the child process to terminate.
-  int status;
-  while (wait(&status) != child)
-    if (secondsToWait && errno == EINTR) {
-      // Kill the child.
-      kill(child, SIGKILL);
-        
-      // Turn off the alarm and restore the signal handler
-      alarm(0);
-      sigaction(SIGALRM, &Old, 0);
-
-      // Wait for child to die
-      if (wait(&status) != child)
-        ThrowErrno("Child timedout but wouldn't die");
-        
-      return -1;   // Timeout detected
-    } else {
-      ThrowErrno("Error waiting for child process");
-    }
-
-  // We exited normally without timeout, so turn off the timer.
-  if (secondsToWait) {
-    alarm(0);
-    sigaction(SIGALRM, &Old, 0);
-  }
-
-  // If the program exited normally with a zero exit status, return success!
-  if (WIFEXITED (status))
-    return WEXITSTATUS(status);
-  else if (WIFSIGNALED(status))
-    throw std::string("Program '") + path.toString() + 
-          "' received terminating signal.";
-    
-#else
-  throw std::string(
-    "Program::ExecuteAndWait not implemented on this platform!\n");
-#endif
-  return 0;
-}
-
-}
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Unix/Signals.cpp b/lib/System/Unix/Signals.cpp
deleted file mode 100644
index c6952298f4..0000000000
--- a/lib/System/Unix/Signals.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-//===- Signals.cpp - Generic Unix Signals Implementation -----*- C++ -*-===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-// This file defines some helpful functions for dealing with the possibility of
-// Unix signals occuring while your program is running.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-#include <vector>
-#include <algorithm>
-#if HAVE_EXECINFO_H
-# include <execinfo.h>         // For backtrace().
-#endif
-#if HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-
-namespace {
-
-std::vector<std::string> *FilesToRemove = 0 ;
-std::vector<llvm::sys::Path> *DirectoriesToRemove = 0;
-
-// IntSigs - Signals that may interrupt the program at any time.
-const int IntSigs[] = {
-  SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGTERM, SIGUSR1, SIGUSR2
-};
-const int *IntSigsEnd = IntSigs + sizeof(IntSigs)/sizeof(IntSigs[0]);
-
-// KillSigs - Signals that are synchronous with the program that will cause it
-// to die.
-const int KillSigs[] = {
-  SIGILL, SIGTRAP, SIGABRT, SIGFPE, SIGBUS, SIGSEGV, SIGSYS, SIGXCPU, SIGXFSZ
-#ifdef SIGEMT
-  , SIGEMT
-#endif
-};
-const int *KillSigsEnd = KillSigs + sizeof(KillSigs)/sizeof(KillSigs[0]);
-
-#ifdef HAVE_BACKTRACE
-void* StackTrace[256];
-#endif
-
-// PrintStackTrace - In the case of a program crash or fault, print out a stack
-// trace so that the user has an indication of why and where we died.
-//
-// On glibc systems we have the 'backtrace' function, which works nicely, but
-// doesn't demangle symbols.  In order to backtrace symbols, we fork and exec a
-// 'c++filt' process to do the demangling.  This seems like the simplest and
-// most robust solution when we can't allocate memory (such as in a signal
-// handler).  If we can't find 'c++filt', we fallback to printing mangled names.
-//
-void PrintStackTrace() {
-#ifdef HAVE_BACKTRACE
-  // Use backtrace() to output a backtrace on Linux systems with glibc.
-  int depth = backtrace(StackTrace, sizeof(StackTrace)/sizeof(StackTrace[0]));
-  
-  // Create a one-way unix pipe.  The backtracing process writes to PipeFDs[1],
-  // the c++filt process reads from PipeFDs[0].
-  int PipeFDs[2];
-  if (pipe(PipeFDs)) {
-    backtrace_symbols_fd(StackTrace, depth, STDERR_FILENO);
-    return;
-  }
-
-  switch (pid_t ChildPID = fork()) {
-  case -1:        // Error forking, print mangled stack trace
-    close(PipeFDs[0]);
-    close(PipeFDs[1]);
-    backtrace_symbols_fd(StackTrace, depth, STDERR_FILENO);
-    return;
-  default:        // backtracing process
-    close(PipeFDs[0]);  // Close the reader side.
-
-    // Print the mangled backtrace into the pipe.
-    backtrace_symbols_fd(StackTrace, depth, PipeFDs[1]);
-    close(PipeFDs[1]);   // We are done writing.
-    while (waitpid(ChildPID, 0, 0) == -1)
-      if (errno != EINTR) break;
-    return;
-
-  case 0:         // c++filt process
-    close(PipeFDs[1]);    // Close the writer side.
-    dup2(PipeFDs[0], 0);  // Read from standard input
-    close(PipeFDs[0]);    // Close the old descriptor
-    dup2(2, 1);           // Revector stdout -> stderr
-
-    // Try to run c++filt or gc++filt.  If neither is found, call back on 'cat'
-    // to print the mangled stack trace.  If we can't find cat, just exit.
-    execlp("c++filt", "c++filt", 0);
-    execlp("gc++filt", "gc++filt", 0);
-    execlp("cat", "cat", 0);
-    execlp("/bin/cat", "cat", 0);
-    exit(0);
-  }
-#endif
-}
-
-// SignalHandler - The signal handler that runs...
-RETSIGTYPE SignalHandler(int Sig) {
-  if (FilesToRemove != 0)
-    while (!FilesToRemove->empty()) {
-      std::remove(FilesToRemove->back().c_str());
-      FilesToRemove->pop_back();
-    }
-
-  if (DirectoriesToRemove != 0)
-    while (!DirectoriesToRemove->empty()) {
-      DirectoriesToRemove->back().destroyDirectory(true);
-      DirectoriesToRemove->pop_back();
-    }
-
-  if (std::find(IntSigs, IntSigsEnd, Sig) != IntSigsEnd)
-    exit(1);   // If this is an interrupt signal, exit the program
-
-  // Otherwise if it is a fault (like SEGV) output the stacktrace to
-  // STDERR (if we can) and reissue the signal to die...
-  PrintStackTrace();
-  signal(Sig, SIG_DFL);
-}
-
-// Just call signal
-void RegisterHandler(int Signal) { 
-  signal(Signal, SignalHandler); 
-}
-
-}
-
-namespace llvm {
-
-// RemoveFileOnSignal - The public API
-void sys::RemoveFileOnSignal(const sys::Path &Filename) {
-  if (FilesToRemove == 0)
-    FilesToRemove = new std::vector<std::string>;
-
-  FilesToRemove->push_back(Filename.toString());
-
-  std::for_each(IntSigs, IntSigsEnd, RegisterHandler);
-  std::for_each(KillSigs, KillSigsEnd, RegisterHandler);
-}
-
-// RemoveDirectoryOnSignal - The public API
-void sys::RemoveDirectoryOnSignal(const llvm::sys::Path& path) {
-  if (!path.isDirectory())
-    return;
-
-  if (DirectoriesToRemove == 0)
-    DirectoriesToRemove = new std::vector<sys::Path>;
-
-  DirectoriesToRemove->push_back(path);
-
-  std::for_each(IntSigs, IntSigsEnd, RegisterHandler);
-  std::for_each(KillSigs, KillSigsEnd, RegisterHandler);
-}
-
-/// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or
-/// SIGSEGV) is delivered to the process, print a stack trace and then exit.
-void sys::PrintStackTraceOnErrorSignal() {
-  std::for_each(KillSigs, KillSigsEnd, RegisterHandler);
-}
-
-}
-
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Unix/TimeValue.cpp b/lib/System/Unix/TimeValue.cpp
deleted file mode 100644
index 8f0ad38d8e..0000000000
--- a/lib/System/Unix/TimeValue.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-//===- Unix/TimeValue.cpp - Unix TimeValue Implementation -------*- 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 implements the Unix specific portion of the TimeValue class.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-
-namespace llvm {
-  using namespace sys;
-
-std::string TimeValue::toString() const {
-  char buffer[32];
-
-  time_t ourTime = time_t(this->toEpochTime());
-  ::asctime_r(::localtime(&ourTime), buffer);
-
-  std::string result(buffer);
-  return result.substr(0,24);
-}
-
-TimeValue TimeValue::now() {
-  struct timeval the_time;
-  timerclear(&the_time);
-  if (0 != ::gettimeofday(&the_time,0)) 
-    ThrowErrno("Couldn't obtain time of day");
-
-  return TimeValue(
-    static_cast<TimeValue::SecondsType>( the_time.tv_sec ), 
-    static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec * 
-      NANOSECONDS_PER_MICROSECOND ) );
-}
-
-}
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab