1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Process/POSIX/NativeProcessELF.h b/contrib/llvm-project/lldb/source/Plugins/Process/POSIX/NativeProcessELF.h
new file mode 100644
index 000000000000..937def94436b
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/Process/POSIX/NativeProcessELF.h
@@ -0,0 +1,65 @@
+//===-- NativeProcessELF.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 liblldb_NativeProcessELF_H_
+#define liblldb_NativeProcessELF_H_
+
+#include "Plugins/Process/Utility/AuxVector.h"
+#include "lldb/Host/common/NativeProcessProtocol.h"
+#include "llvm/BinaryFormat/ELF.h"
+#include <optional>
+
+namespace lldb_private {
+
+/// \class NativeProcessELF
+/// Abstract class that extends \a NativeProcessProtocol with ELF specific
+/// logic. Meant to be subclassed by ELF based NativeProcess* implementations.
+class NativeProcessELF : public NativeProcessProtocol {
+  using NativeProcessProtocol::NativeProcessProtocol;
+
+public:
+  std::optional<uint64_t> GetAuxValue(enum AuxVector::EntryType type);
+
+protected:
+  template <typename T> struct ELFLinkMap {
+    T l_addr;
+    T l_name;
+    T l_ld;
+    T l_next;
+    T l_prev;
+  };
+
+  lldb::addr_t GetSharedLibraryInfoAddress() override;
+
+  template <typename ELF_EHDR, typename ELF_PHDR, typename ELF_DYN>
+  lldb::addr_t GetELFImageInfoAddress();
+
+  llvm::Expected<std::vector<SVR4LibraryInfo>>
+  GetLoadedSVR4Libraries() override;
+
+  template <typename T>
+  llvm::Expected<SVR4LibraryInfo>
+  ReadSVR4LibraryInfo(lldb::addr_t link_map_addr);
+
+  void NotifyDidExec() override;
+
+  std::unique_ptr<AuxVector> m_aux_vector;
+  std::optional<lldb::addr_t> m_shared_library_info_addr;
+};
+
+// Explicitly declare the two 32/64 bit templates that NativeProcessELF.cpp will
+// define. This allows us to keep the template definition here and usable
+// elsewhere.
+extern template lldb::addr_t NativeProcessELF::GetELFImageInfoAddress<
+    llvm::ELF::Elf32_Ehdr, llvm::ELF::Elf32_Phdr, llvm::ELF::Elf32_Dyn>();
+extern template lldb::addr_t NativeProcessELF::GetELFImageInfoAddress<
+    llvm::ELF::Elf64_Ehdr, llvm::ELF::Elf64_Phdr, llvm::ELF::Elf64_Dyn>();
+
+} // namespace lldb_private
+
+#endif