Revert "Move gdb support functions to a separate file"

Was reverted on internal master already.

This reverts commit f8d051c81b7c22575ac940dea612fb3b880e6d7a.

Change-Id: Ia432f83bcce91366fb23f1bb87603a093b7f074d

1 files changed, 0 insertions, 94 deletions

diff --git a/linker/linker_gdb_support.cpp b/linker/linker_gdb_support.cpp
deleted file mode 100644
index de7408740..000000000
--- a/linker/linker_gdb_support.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "linker_gdb_support.h"
-
-#include <pthread.h>
-
-#include "private/ScopedPthreadMutexLocker.h"
-
-// This function is an empty stub where GDB locates a breakpoint to get notified
-// about linker activity.
-extern "C"
-void __attribute__((noinline)) __attribute__((visibility("default"))) rtld_db_dlactivity();
-
-r_debug _r_debug =
-    {1, nullptr, reinterpret_cast<uintptr_t>(&rtld_db_dlactivity), r_debug::RT_CONSISTENT, 0};
-
-static pthread_mutex_t g__r_debug_mutex = PTHREAD_MUTEX_INITIALIZER;
-static link_map* r_debug_tail = nullptr;
-
-void insert_link_map_into_debug_map(link_map* map) {
-  // Stick the new library at the end of the list.
-  // gdb tends to care more about libc than it does
-  // about leaf libraries, and ordering it this way
-  // reduces the back-and-forth over the wire.
-  if (r_debug_tail != nullptr) {
-    r_debug_tail->l_next = map;
-    map->l_prev = r_debug_tail;
-    map->l_next = nullptr;
-  } else {
-    _r_debug.r_map = map;
-    map->l_prev = nullptr;
-    map->l_next = nullptr;
-  }
-  r_debug_tail = map;
-}
-
-void remove_link_map_from_debug_map(link_map* map) {
-  if (r_debug_tail == map) {
-    r_debug_tail = map->l_prev;
-  }
-
-  if (map->l_prev) {
-    map->l_prev->l_next = map->l_next;
-  }
-  if (map->l_next) {
-    map->l_next->l_prev = map->l_prev;
-  }
-}
-
-void notify_gdb_of_load(link_map* map) {
-  ScopedPthreadMutexLocker locker(&g__r_debug_mutex);
-
-  _r_debug.r_state = r_debug::RT_ADD;
-  rtld_db_dlactivity();
-
-  insert_link_map_into_debug_map(map);
-
-  _r_debug.r_state = r_debug::RT_CONSISTENT;
-  rtld_db_dlactivity();
-}
-
-void notify_gdb_of_unload(link_map* map) {
-  ScopedPthreadMutexLocker locker(&g__r_debug_mutex);
-
-  _r_debug.r_state = r_debug::RT_DELETE;
-  rtld_db_dlactivity();
-
-  remove_link_map_from_debug_map(map);
-
-  _r_debug.r_state = r_debug::RT_CONSISTENT;
-  rtld_db_dlactivity();
-}
-
-void notify_gdb_of_libraries() {
-  _r_debug.r_state = r_debug::RT_ADD;
-  rtld_db_dlactivity();
-  _r_debug.r_state = r_debug::RT_CONSISTENT;
-  rtld_db_dlactivity();
-}
-