1 files changed, 0 insertions, 134 deletions
diff --git a/lldb/source/Utility/SharingPtr.cpp b/lldb/source/Utility/SharingPtr.cpp
deleted file mode 100644
index 45f2a773758b..000000000000
--- a/lldb/source/Utility/SharingPtr.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-//===---------------------SharingPtr.cpp ------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "lldb/Utility/SharingPtr.h"
-
-#if defined(ENABLE_SP_LOGGING)
-
-// If ENABLE_SP_LOGGING is defined, then log all shared pointer assignments and
-// allow them to be queried using a pointer by a call to:
-#include <assert.h>
-#include <execinfo.h>
-
-#include "llvm/ADT/STLExtras.h"
-
-#include <map>
-#include <mutex>
-#include <vector>
-
-class Backtrace {
-public:
-  Backtrace();
-
-  ~Backtrace();
-
-  void GetFrames();
-
-  void Dump() const;
-
-private:
-  void *m_sp_this;
-  std::vector<void *> m_frames;
-};
-
-Backtrace::Backtrace() : m_frames() {}
-
-Backtrace::~Backtrace() {}
-
-void Backtrace::GetFrames() {
-  void *frames[1024];
-  const int count = ::backtrace(frames, llvm::array_lengthof(frames));
-  if (count > 2)
-    m_frames.assign(frames + 2, frames + (count - 2));
-}
-
-void Backtrace::Dump() const {
-  if (!m_frames.empty())
-    ::backtrace_symbols_fd(m_frames.data(), m_frames.size(), STDOUT_FILENO);
-  write(STDOUT_FILENO, "\n\n", 2);
-}
-
-extern "C" void track_sp(void *sp_this, void *ptr, long use_count) {
-  typedef std::pair<void *, Backtrace> PtrBacktracePair;
-  typedef std::map<void *, PtrBacktracePair> PtrToBacktraceMap;
-  static std::mutex g_mutex;
-  std::lock_guard<std::mutex> guard(g_mutex);
-  static PtrToBacktraceMap g_map;
-
-  if (sp_this) {
-    printf("sp(%p) -> %p %lu\n", sp_this, ptr, use_count);
-
-    if (ptr) {
-      Backtrace bt;
-      bt.GetFrames();
-      g_map[sp_this] = std::make_pair(ptr, bt);
-    } else {
-      g_map.erase(sp_this);
-    }
-  } else {
-    if (ptr)
-      printf("Searching for shared pointers that are tracking %p: ", ptr);
-    else
-      printf("Dump all live shared pointres: ");
-
-    uint32_t matches = 0;
-    PtrToBacktraceMap::iterator pos, end = g_map.end();
-    for (pos = g_map.begin(); pos != end; ++pos) {
-      if (ptr == NULL || pos->second.first == ptr) {
-        ++matches;
-        printf("\nsp(%p): %p\n", pos->first, pos->second.first);
-        pos->second.second.Dump();
-      }
-    }
-    if (matches == 0) {
-      printf("none.\n");
-    }
-  }
-}
-// Put dump_sp_refs in the lldb namespace to it gets through our exports lists
-// filter in the LLDB.framework or lldb.so
-namespace lldb {
-
-void dump_sp_refs(void *ptr) {
-  // Use a specially crafted call to "track_sp" which will dump info on all
-  // live shared pointers that reference "ptr"
-  track_sp(NULL, ptr, 0);
-}
-}
-
-#endif
-
-namespace lldb_private {
-
-namespace imp {
-
-shared_count::~shared_count() {}
-
-void shared_count::add_shared() {
-#ifdef _MSC_VER
-  _InterlockedIncrement(&shared_owners_);
-#else
-  ++shared_owners_;
-#endif
-}
-
-void shared_count::release_shared() {
-#ifdef _MSC_VER
-  if (_InterlockedDecrement(&shared_owners_) == -1)
-#else
-  if (--shared_owners_ == -1)
-#endif
-  {
-    on_zero_shared();
-    delete this;
-  }
-}
-
-} // imp
-
-} // namespace lldb