//===-- DWARFDebugAbbrev.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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGABBREV_H #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGABBREV_H #include #include #include "lldb/lldb-private.h" #include "DWARFAbbreviationDeclaration.h" #include "DWARFDefines.h" typedef std::vector DWARFAbbreviationDeclarationColl; typedef DWARFAbbreviationDeclarationColl::iterator DWARFAbbreviationDeclarationCollIter; typedef DWARFAbbreviationDeclarationColl::const_iterator DWARFAbbreviationDeclarationCollConstIter; class DWARFAbbreviationDeclarationSet { public: DWARFAbbreviationDeclarationSet() : m_offset(DW_INVALID_OFFSET), m_idx_offset(0), m_decls() {} DWARFAbbreviationDeclarationSet(dw_offset_t offset, uint32_t idx_offset) : m_offset(offset), m_idx_offset(idx_offset), m_decls() {} void Clear(); dw_offset_t GetOffset() const { return m_offset; } /// Extract all abbrev decls in a set. Returns llvm::ErrorSuccess() on /// success, and an appropriate llvm::Error object otherwise. llvm::Error extract(const lldb_private::DWARFDataExtractor &data, lldb::offset_t *offset_ptr); // void Encode(BinaryStreamBuf& debug_abbrev_buf) const; void GetUnsupportedForms(std::set &invalid_forms) const; const DWARFAbbreviationDeclaration * GetAbbreviationDeclaration(dw_uleb128_t abbrCode) const; /// Unit test accessor functions. /// @{ uint32_t GetIndexOffset() const { return m_idx_offset; } /// @} private: dw_offset_t m_offset; uint32_t m_idx_offset; std::vector m_decls; }; typedef std::map DWARFAbbreviationDeclarationCollMap; typedef DWARFAbbreviationDeclarationCollMap::iterator DWARFAbbreviationDeclarationCollMapIter; typedef DWARFAbbreviationDeclarationCollMap::const_iterator DWARFAbbreviationDeclarationCollMapConstIter; class DWARFDebugAbbrev { public: DWARFDebugAbbrev(); const DWARFAbbreviationDeclarationSet * GetAbbreviationDeclarationSet(dw_offset_t cu_abbr_offset) const; /// Extract all abbreviations for a particular compile unit. Returns /// llvm::ErrorSuccess() on success, and an appropriate llvm::Error object /// otherwise. llvm::Error parse(const lldb_private::DWARFDataExtractor &data); void GetUnsupportedForms(std::set &invalid_forms) const; protected: DWARFAbbreviationDeclarationCollMap m_abbrevCollMap; mutable DWARFAbbreviationDeclarationCollMapConstIter m_prev_abbr_offset_pos; }; #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGABBREV_H