contrib/llvm-project/lldb/source/API/SystemInitializerFull.cpp

   1 //===-- SystemInitializerFull.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 "SystemInitializerFull.h"
  10 #include "lldb/API/SBCommandInterpreter.h"
  11 #include "lldb/Core/Debugger.h"
  12 #include "lldb/Core/PluginManager.h"
  13 #include "lldb/Host/Config.h"
  14 #include "lldb/Host/Host.h"
  15 #include "lldb/Initialization/SystemInitializerCommon.h"
  16 #include "lldb/Interpreter/CommandInterpreter.h"
  17 #include "lldb/Target/ProcessTrace.h"
  18 #include "lldb/Utility/Reproducer.h"
  19 #include "lldb/Utility/Timer.h"
  20 #include "llvm/Support/TargetSelect.h"
  21
  22 #pragma clang diagnostic push
  23 #pragma clang diagnostic ignored "-Wglobal-constructors"
  24 #include "llvm/ExecutionEngine/MCJIT.h"
  25 #pragma clang diagnostic pop
  26
  27 #include <string>
  28
  29 #define LLDB_PLUGIN(p) LLDB_PLUGIN_DECLARE(p)
  30 #include "Plugins/Plugins.def"
  31
  32 using namespace lldb_private;
  33
  34 SystemInitializerFull::SystemInitializerFull() = default;
  35 SystemInitializerFull::~SystemInitializerFull() = default;
  36
  37 llvm::Error SystemInitializerFull::Initialize() {
  38   llvm::Error error = SystemInitializerCommon::Initialize();
  39   if (error) {
  40     // During active replay, the ::Initialize call is replayed like any other
  41     // SB API call and the return value is ignored. Since we can't intercept
  42     // this, we terminate here before the uninitialized debugger inevitably
  43     // crashes.
  44     if (repro::Reproducer::Instance().IsReplaying())
  45       llvm::report_fatal_error(std::move(error));
  46     return error;
  47   }
  48
  49   // Initialize LLVM and Clang
  50   llvm::InitializeAllTargets();
  51   llvm::InitializeAllAsmPrinters();
  52   llvm::InitializeAllTargetMCs();
  53   llvm::InitializeAllDisassemblers();
  54
  55 #define LLDB_PLUGIN(p) LLDB_PLUGIN_INITIALIZE(p);
  56 #include "Plugins/Plugins.def"
  57
  58   // Initialize plug-ins in core LLDB
  59   ProcessTrace::Initialize();
  60
  61   // Scan for any system or user LLDB plug-ins
  62   PluginManager::Initialize();
  63
  64   // The process settings need to know about installed plug-ins, so the
  65   // Settings must be initialized AFTER PluginManager::Initialize is called.
  66   Debugger::SettingsInitialize();
  67
  68   return llvm::Error::success();
  69 }
  70
  71 void SystemInitializerFull::Terminate() {
  72   Debugger::SettingsTerminate();
  73
  74   // Terminate plug-ins in core LLDB
  75   ProcessTrace::Terminate();
  76
  77   // Terminate and unload and loaded system or user LLDB plug-ins
  78   PluginManager::Terminate();
  79
  80 #define LLDB_PLUGIN(p) LLDB_PLUGIN_TERMINATE(p);
  81 #include "Plugins/Plugins.def"
  82
  83   // Now shutdown the common parts, in reverse order.
  84   SystemInitializerCommon::Terminate();
  85 }