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#include <optional> 16 17namespace lldb_private { 18 19/// \class NativeProcessELF 20/// Abstract class that extends \a NativeProcessProtocol with ELF specific 21/// logic. Meant to be subclassed by ELF based NativeProcess* implementations. 22class NativeProcessELF : public NativeProcessProtocol { 23 using NativeProcessProtocol::NativeProcessProtocol; 24 25public: 26 std::optional<uint64_t> GetAuxValue(enum AuxVector::EntryType type); 27 28protected: 29 template <typename T> struct ELFLinkMap { 30 T l_addr; 31 T l_name; 32 T l_ld; 33 T l_next; 34 T l_prev; 35 }; 36 37 lldb::addr_t GetSharedLibraryInfoAddress() override; 38 39 template <typename ELF_EHDR, typename ELF_PHDR, typename ELF_DYN> 40 lldb::addr_t GetELFImageInfoAddress(); 41 42 llvm::Expected<std::vector<SVR4LibraryInfo>> 43 GetLoadedSVR4Libraries() override; 44 45 template <typename T> 46 llvm::Expected<SVR4LibraryInfo> 47 ReadSVR4LibraryInfo(lldb::addr_t link_map_addr); 48 49 void NotifyDidExec() override; 50 51 std::unique_ptr<AuxVector> m_aux_vector; 52 std::optional<lldb::addr_t> m_shared_library_info_addr; 53}; 54 55// Explicitly declare the two 32/64 bit templates that NativeProcessELF.cpp will 56// define. This allows us to keep the template definition here and usable 57// elsewhere. 58extern template lldb::addr_t NativeProcessELF::GetELFImageInfoAddress< 59 llvm::ELF::Elf32_Ehdr, llvm::ELF::Elf32_Phdr, llvm::ELF::Elf32_Dyn>(); 60extern template lldb::addr_t NativeProcessELF::GetELFImageInfoAddress< 61 llvm::ELF::Elf64_Ehdr, llvm::ELF::Elf64_Phdr, llvm::ELF::Elf64_Dyn>(); 62 63} // namespace lldb_private 64 65#endif 66