| 1 | //===-- NativeProcessELF.h ------------------------------------ -*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef liblldb_NativeProcessELF_H_ |
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| 10 | #define liblldb_NativeProcessELF_H_ |
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| 11 | |
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| 12 | #include "Plugins/Process/Utility/AuxVector.h" |
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| 13 | #include "lldb/Host/common/NativeProcessProtocol.h" |
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| 14 | #include "llvm/BinaryFormat/ELF.h" |
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| 15 | #include <optional> |
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| 16 | |
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| 17 | namespace lldb_private { |
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| 18 | |
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| 19 | /// \class NativeProcessELF |
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| 20 | /// Abstract class that extends \a NativeProcessProtocol with ELF specific |
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| 21 | /// logic. Meant to be subclassed by ELF based NativeProcess* implementations. |
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| 22 | class NativeProcessELF : public NativeProcessProtocol { |
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| 23 | using NativeProcessProtocol::NativeProcessProtocol; |
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| 24 | |
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| 25 | public: |
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| 26 | std::optional<uint64_t> GetAuxValue(enum AuxVector::EntryType type); |
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| 27 | |
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| 28 | protected: |
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| 29 | template <typename T> struct ELFLinkMap { |
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| 30 | T l_addr; |
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| 31 | T l_name; |
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| 32 | T l_ld; |
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| 33 | T l_next; |
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| 34 | T l_prev; |
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| 35 | }; |
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| 36 | |
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| 37 | lldb::addr_t GetSharedLibraryInfoAddress() override; |
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| 38 | |
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| 39 | template <typename ELF_EHDR, typename ELF_PHDR, typename ELF_DYN> |
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| 40 | lldb::addr_t GetELFImageInfoAddress(); |
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| 41 | |
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| 42 | llvm::Expected<std::vector<SVR4LibraryInfo>> |
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| 43 | GetLoadedSVR4Libraries() override; |
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| 44 | |
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| 45 | template <typename T> |
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| 46 | llvm::Expected<SVR4LibraryInfo> |
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| 47 | ReadSVR4LibraryInfo(lldb::addr_t link_map_addr); |
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| 48 | |
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| 49 | void NotifyDidExec() override; |
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| 50 | |
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| 51 | std::unique_ptr<AuxVector> m_aux_vector; |
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| 52 | std::optional<lldb::addr_t> m_shared_library_info_addr; |
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| 53 | }; |
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| 54 | |
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| 55 | // Explicitly declare the two 32/64 bit templates that NativeProcessELF.cpp will |
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| 56 | // define. This allows us to keep the template definition here and usable |
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| 57 | // elsewhere. |
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| 58 | extern template lldb::addr_t NativeProcessELF::GetELFImageInfoAddress< |
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| 59 | llvm::ELF::Elf32_Ehdr, llvm::ELF::Elf32_Phdr, llvm::ELF::Elf32_Dyn>(); |
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| 60 | extern template lldb::addr_t NativeProcessELF::GetELFImageInfoAddress< |
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| 61 | llvm::ELF::Elf64_Ehdr, llvm::ELF::Elf64_Phdr, llvm::ELF::Elf64_Dyn>(); |
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| 62 | |
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| 63 | } // namespace lldb_private |
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| 64 | |
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| 65 | #endif |
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| 66 | |
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