lldb/source/Target/OperatingSystem.cpp

   1 //===-- OperatingSystem.cpp -----------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Target/OperatingSystem.h"
  10 #include "lldb/Core/PluginManager.h"
  11 #include "lldb/Target/Thread.h"
  12
  13 using namespace lldb;
  14 using namespace lldb_private;
  15
  16 OperatingSystem *OperatingSystem::FindPlugin(Process *process,
  17                                              const char *plugin_name) {
  18   OperatingSystemCreateInstance create_callback = nullptr;
  19   if (plugin_name) {
  20     create_callback =
  21         PluginManager::GetOperatingSystemCreateCallbackForPluginName(
  22             plugin_name);
  23     if (create_callback) {
  24       std::unique_ptr<OperatingSystem> instance_up(
  25           create_callback(process, true));
  26       if (instance_up)
  27         return instance_up.release();
  28     }
  29   } else {
  30     for (uint32_t idx = 0;
  31          (create_callback =
  32               PluginManager::GetOperatingSystemCreateCallbackAtIndex(idx)) !=
  33          nullptr;
  34          ++idx) {
  35       std::unique_ptr<OperatingSystem> instance_up(
  36           create_callback(process, false));
  37       if (instance_up)
  38         return instance_up.release();
  39     }
  40   }
  41   return nullptr;
  42 }
  43
  44 OperatingSystem::OperatingSystem(Process *process) : m_process(process) {}
  45
  46 bool OperatingSystem::IsOperatingSystemPluginThread(
  47     const lldb::ThreadSP &thread_sp) {
  48   if (thread_sp)
  49     return thread_sp->IsOperatingSystemPluginThread();
  50   return false;
  51 }