Coverage Report

Created: 2022-01-22 13:19

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/include/lldb/Target/InstrumentationRuntime.h
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//===-- InstrumentationRuntime.h --------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_TARGET_INSTRUMENTATIONRUNTIME_H
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#define LLDB_TARGET_INSTRUMENTATIONRUNTIME_H
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#include <map>
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#include <vector>
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#include "lldb/Core/PluginInterface.h"
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#include "lldb/Utility/StructuredData.h"
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#include "lldb/lldb-forward.h"
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#include "lldb/lldb-private.h"
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#include "lldb/lldb-types.h"
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namespace lldb_private {
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typedef std::map<lldb::InstrumentationRuntimeType,
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                 lldb::InstrumentationRuntimeSP>
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    InstrumentationRuntimeCollection;
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class InstrumentationRuntime
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    : public std::enable_shared_from_this<InstrumentationRuntime>,
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      public PluginInterface {
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  /// The instrumented process.
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  lldb::ProcessWP m_process_wp;
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  /// The module containing the instrumentation runtime.
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  lldb::ModuleSP m_runtime_module;
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  /// The breakpoint in the instrumentation runtime.
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  lldb::user_id_t m_breakpoint_id;
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  /// Indicates whether or not breakpoints have been registered in the
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  /// instrumentation runtime.
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  bool m_is_active;
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protected:
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  InstrumentationRuntime(const lldb::ProcessSP &process_sp)
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      : m_breakpoint_id(0), m_is_active(false) {
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    if (process_sp)
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      m_process_wp = process_sp;
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  }
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  lldb::ProcessSP GetProcessSP() { return m_process_wp.lock(); }
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  lldb::ModuleSP GetRuntimeModuleSP() { return m_runtime_module; }
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  void SetRuntimeModuleSP(lldb::ModuleSP module_sp) {
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    m_runtime_module = std::move(module_sp);
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  }
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  lldb::user_id_t GetBreakpointID() const { return m_breakpoint_id; }
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  void SetBreakpointID(lldb::user_id_t ID) { m_breakpoint_id = ID; }
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  void SetActive(bool IsActive) { m_is_active = IsActive; }
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  /// Return a regular expression which can be used to identify a valid version
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  /// of the runtime library.
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  virtual const RegularExpression &GetPatternForRuntimeLibrary() = 0;
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  /// Check whether \p module_sp corresponds to a valid runtime library.
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  virtual bool CheckIfRuntimeIsValid(const lldb::ModuleSP module_sp) = 0;
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  /// Register a breakpoint in the runtime library and perform any other
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  /// necessary initialization. The runtime library
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  /// is guaranteed to be loaded.
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  virtual void Activate() = 0;
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public:
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  static void ModulesDidLoad(lldb_private::ModuleList &module_list,
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                             Process *process,
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                             InstrumentationRuntimeCollection &runtimes);
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  /// Look for the instrumentation runtime in \p module_list. Register and
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  /// activate the runtime if this hasn't already
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  /// been done.
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  void ModulesDidLoad(lldb_private::ModuleList &module_list);
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  bool IsActive() const { return m_is_active; }
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  virtual lldb::ThreadCollectionSP
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  GetBacktracesFromExtendedStopInfo(StructuredData::ObjectSP info);
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};
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} // namespace lldb_private
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#endif // LLDB_TARGET_INSTRUMENTATIONRUNTIME_H