//===-- DWARFDebugInfo.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_DWARFDEBUGINFO_H #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGINFO_H #include #include #include "DWARFDIE.h" #include "DWARFTypeUnit.h" #include "DWARFUnit.h" #include "SymbolFileDWARF.h" #include "lldb/lldb-private.h" #include "llvm/Support/Error.h" namespace lldb_private { class DWARFContext; } class DWARFDebugInfo { public: typedef dw_offset_t (*Callback)(SymbolFileDWARF *dwarf2Data, DWARFUnit *cu, DWARFDebugInfoEntry *die, const dw_offset_t next_offset, const uint32_t depth, void *userData); explicit DWARFDebugInfo(SymbolFileDWARF &dwarf, lldb_private::DWARFContext &context); size_t GetNumUnits(); DWARFUnit *GetUnitAtIndex(size_t idx); DWARFUnit *GetUnitAtOffset(DIERef::Section section, dw_offset_t cu_offset, uint32_t *idx_ptr = nullptr); DWARFUnit *GetUnitContainingDIEOffset(DIERef::Section section, dw_offset_t die_offset); DWARFUnit *GetUnit(const DIERef &die_ref); DWARFTypeUnit *GetTypeUnitForHash(uint64_t hash); bool ContainsTypeUnits(); DWARFDIE GetDIEForDIEOffset(DIERef::Section section, dw_offset_t die_offset); DWARFDIE GetDIE(const DIERef &die_ref); enum { eDumpFlag_Verbose = (1 << 0), // Verbose dumping eDumpFlag_ShowForm = (1 << 1), // Show the DW_form type eDumpFlag_ShowAncestors = (1 << 2) // Show all parent DIEs when dumping single DIEs }; llvm::Expected GetCompileUnitAranges(); protected: typedef std::vector UnitColl; SymbolFileDWARF &m_dwarf; lldb_private::DWARFContext &m_context; llvm::once_flag m_units_once_flag; UnitColl m_units; std::unique_ptr m_cu_aranges_up; // A quick address to compile unit table std::vector> m_type_hash_to_unit_index; private: // All parsing needs to be done partially any managed by this class as // accessors are called. void ParseUnitHeadersIfNeeded(); void ParseUnitsFor(DIERef::Section section); uint32_t FindUnitIndex(DIERef::Section section, dw_offset_t offset); DWARFDebugInfo(const DWARFDebugInfo &) = delete; const DWARFDebugInfo &operator=(const DWARFDebugInfo &) = delete; }; #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGINFO_H