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[FreeBSD/FreeBSD.git] / contrib / llvm-project / lldb / source / Plugins / Process / POSIX / NativeProcessELF.h
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
16 namespace 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.
21 class NativeProcessELF : public NativeProcessProtocol {
22   using NativeProcessProtocol::NativeProcessProtocol;
23
24 protected:
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   std::unique_ptr<AuxVector> m_aux_vector;
41   llvm::Optional<lldb::addr_t> m_shared_library_info_addr;
42 };
43
44 } // namespace lldb_private
45
46 #endif