File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/lldb/include/lldb/Symbol

usr / src / contrib / llvm-project / lldb / include / lldb / Symbol /

📁 ..
📄 ArmUnwindInfo.h(2.11 KB)
📄 Block.h(13.94 KB)
📄 CallFrameInfo.h(879 B)
📄 CompactUnwindInfo.h(7.08 KB)
📄 CompileUnit.h(17.69 KB)
📄 CompilerDecl.h(2.93 KB)
📄 CompilerDeclContext.h(4.55 KB)
📄 CompilerType.h(13.99 KB)
📄 DWARFCallFrameInfo.h(6.16 KB)
📄 DebugMacros.h(2.58 KB)
📄 DeclVendor.h(2.25 KB)
📄 Declaration.h(6.13 KB)
📄 FuncUnwinders.h(6.25 KB)
📄 Function.h(23.39 KB)
📄 LineEntry.h(6.81 KB)
📄 LineTable.h(12.44 KB)
📄 LocateSymbolFile.h(2.11 KB)
📄 ObjectContainer.h(6.54 KB)
📄 ObjectFile.h(27.59 KB)
📄 PostfixExpression.h(7.28 KB)
📄 SourceModule.h(769 B)
📄 Symbol.h(10.08 KB)
📄 SymbolContext.h(17.49 KB)
📄 SymbolContextScope.h(4.27 KB)
📄 SymbolFile.h(12.88 KB)
📄 SymbolVendor.h(2.14 KB)
📄 Symtab.h(9.22 KB)
📄 TaggedASTType.h(1.3 KB)
📄 Type.h(15.09 KB)
📄 TypeList.h(1.91 KB)
📄 TypeMap.h(2.04 KB)
📄 TypeSystem.h(20.54 KB)
📄 UnwindPlan.h(18.46 KB)
📄 UnwindTable.h(2.97 KB)
📄 Variable.h(4.84 KB)
📄 VariableList.h(2.88 KB)

Editing: UnwindTable.h

//===-- UnwindTable.h -------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_SYMBOL_UNWINDTABLE_H
#define LLDB_SYMBOL_UNWINDTABLE_H

#include <map>
#include <mutex>

#include "lldb/lldb-private.h"

namespace lldb_private {

// A class which holds all the FuncUnwinders objects for a given ObjectFile.
// The UnwindTable is populated with FuncUnwinders objects lazily during the
// debug session.

class UnwindTable {
public:
  /// Create an Unwind table using the data in the given module.
  explicit UnwindTable(Module &module);

~UnwindTable();

lldb_private::CallFrameInfo *GetObjectFileUnwindInfo();

lldb_private::DWARFCallFrameInfo *GetEHFrameInfo();
  lldb_private::DWARFCallFrameInfo *GetDebugFrameInfo();

lldb_private::CompactUnwindInfo *GetCompactUnwindInfo();

ArmUnwindInfo *GetArmUnwindInfo();
  SymbolFile *GetSymbolFile();

lldb::FuncUnwindersSP GetFuncUnwindersContainingAddress(const Address &addr,
                                                          SymbolContext &sc);

bool GetAllowAssemblyEmulationUnwindPlans();

// Normally when we create a new FuncUnwinders object we track it in this
  // UnwindTable so it can be reused later.  But for the target modules show-
  // unwind we want to create brand new UnwindPlans for the function of
  // interest - so ignore any existing FuncUnwinders for that function and
  // don't add this new one to our UnwindTable. This FuncUnwinders object does
  // have a reference to the UnwindTable but the lifetime of this uncached
  // FuncUnwinders is expected to be short so in practice this will not be a
  // problem.
  lldb::FuncUnwindersSP
  GetUncachedFuncUnwindersContainingAddress(const Address &addr,
                                            SymbolContext &sc);

ArchSpec GetArchitecture();

private:
  void Dump(Stream &s);

void Initialize();
  llvm::Optional<AddressRange> GetAddressRange(const Address &addr,
                                               SymbolContext &sc);

typedef std::map<lldb::addr_t, lldb::FuncUnwindersSP> collection;
  typedef collection::iterator iterator;
  typedef collection::const_iterator const_iterator;

Module &m_module;
  collection m_unwinds;

bool m_initialized; // delay some initialization until ObjectFile is set up
  std::mutex m_mutex;

std::unique_ptr<CallFrameInfo> m_object_file_unwind_up;
  std::unique_ptr<DWARFCallFrameInfo> m_eh_frame_up;
  std::unique_ptr<DWARFCallFrameInfo> m_debug_frame_up;
  std::unique_ptr<CompactUnwindInfo> m_compact_unwind_up;
  std::unique_ptr<ArmUnwindInfo> m_arm_unwind_up;

UnwindTable(const UnwindTable &) = delete;
  const UnwindTable &operator=(const UnwindTable &) = delete;
};

} // namespace lldb_private

#endif // LLDB_SYMBOL_UNWINDTABLE_H

003 File Manager

Editing: UnwindTable.h

Upload File

Create Folder