| //===-- 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 <map> |
| #include <vector> |
| |
| #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<DWARFDebugAranges &> GetCompileUnitAranges(); |
| |
| protected: |
| typedef std::vector<DWARFUnitSP> UnitColl; |
| |
| SymbolFileDWARF &m_dwarf; |
| lldb_private::DWARFContext &m_context; |
| |
| llvm::once_flag m_units_once_flag; |
| UnitColl m_units; |
| |
| std::unique_ptr<DWARFDebugAranges> |
| m_cu_aranges_up; // A quick address to compile unit table |
| |
| std::vector<std::pair<uint64_t, uint32_t>> 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 |