1//===-- NativeProcessELF.h ------------------------------------ -*- C++ -*-===//
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#ifndef liblldb_NativeProcessELF_H_
10#define liblldb_NativeProcessELF_H_
11
12#include "Plugins/Process/Utility/AuxVector.h"
13#include "lldb/Host/common/NativeProcessProtocol.h"
14#include "llvm/BinaryFormat/ELF.h"
15
16namespace lldb_private {
17
18/// \class NativeProcessELF
19/// Abstract class that extends \a NativeProcessProtocol with ELF specific
20/// logic. Meant to be subclassed by ELF based NativeProcess* implementations.
21class NativeProcessELF : public NativeProcessProtocol {
22  using NativeProcessProtocol::NativeProcessProtocol;
23
24protected:
25  template <typename T> struct ELFLinkMap {
26    T l_addr;
27    T l_name;
28    T l_ld;
29    T l_next;
30    T l_prev;
31  };
32
33  llvm::Optional<uint64_t> GetAuxValue(enum AuxVector::EntryType type);
34
35  lldb::addr_t GetSharedLibraryInfoAddress() override;
36
37  template <typename ELF_EHDR, typename ELF_PHDR, typename ELF_DYN>
38  lldb::addr_t GetELFImageInfoAddress();
39
40  llvm::Expected<std::vector<SVR4LibraryInfo>>
41  GetLoadedSVR4Libraries() override;
42
43  template <typename T>
44  llvm::Expected<SVR4LibraryInfo>
45  ReadSVR4LibraryInfo(lldb::addr_t link_map_addr);
46
47  std::unique_ptr<AuxVector> m_aux_vector;
48  llvm::Optional<lldb::addr_t> m_shared_library_info_addr;
49};
50
51} // namespace lldb_private
52
53#endif