1cbbab9277
This continues the work of introducing Error and Expected into the DWARF parsing interfaces, this time for the DWARFCompileUnit and DWARFDebugAranges classes. Differential Revision: https://reviews.llvm.org/D59381 llvm-svn: 356278
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
//===-- DWARFDebugInfo.h ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef SymbolFileDWARF_DWARFDebugInfo_h_
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#define SymbolFileDWARF_DWARFDebugInfo_h_
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#include <map>
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#include <vector>
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#include "DWARFDIE.h"
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#include "DWARFUnit.h"
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#include "SymbolFileDWARF.h"
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#include "lldb/Core/STLUtils.h"
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#include "lldb/lldb-private.h"
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#include "llvm/Support/Error.h"
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typedef std::multimap<const char *, dw_offset_t, CStringCompareFunctionObject>
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CStringToDIEMap;
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typedef CStringToDIEMap::iterator CStringToDIEMapIter;
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typedef CStringToDIEMap::const_iterator CStringToDIEMapConstIter;
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class DWARFDebugInfo {
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public:
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typedef dw_offset_t (*Callback)(SymbolFileDWARF *dwarf2Data,
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DWARFUnit *cu,
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DWARFDebugInfoEntry *die,
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const dw_offset_t next_offset,
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const uint32_t depth, void *userData);
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DWARFDebugInfo();
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void SetDwarfData(SymbolFileDWARF *dwarf2Data);
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size_t GetNumCompileUnits();
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bool ContainsCompileUnit(const DWARFUnit *cu) const;
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DWARFUnit *GetCompileUnitAtIndex(uint32_t idx);
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DWARFUnit *GetCompileUnit(dw_offset_t cu_offset, uint32_t *idx_ptr = NULL);
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DWARFUnit *GetCompileUnitContainingDIEOffset(dw_offset_t die_offset);
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DWARFUnit *GetCompileUnit(const DIERef &die_ref);
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DWARFDIE GetDIEForDIEOffset(dw_offset_t die_offset);
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DWARFDIE GetDIE(const DIERef &die_ref);
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enum {
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eDumpFlag_Verbose = (1 << 0), // Verbose dumping
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eDumpFlag_ShowForm = (1 << 1), // Show the DW_form type
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eDumpFlag_ShowAncestors =
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(1 << 2) // Show all parent DIEs when dumping single DIEs
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};
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llvm::Expected<DWARFDebugAranges &> GetCompileUnitAranges();
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protected:
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static bool OffsetLessThanCompileUnitOffset(dw_offset_t offset,
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const DWARFUnitSP &cu_sp);
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typedef std::vector<DWARFUnitSP> CompileUnitColl;
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//----------------------------------------------------------------------
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// Member variables
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//----------------------------------------------------------------------
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SymbolFileDWARF *m_dwarf2Data;
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CompileUnitColl m_compile_units;
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std::unique_ptr<DWARFDebugAranges>
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m_cu_aranges_up; // A quick address to compile unit table
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private:
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// All parsing needs to be done partially any managed by this class as
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// accessors are called.
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void ParseCompileUnitHeadersIfNeeded();
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DISALLOW_COPY_AND_ASSIGN(DWARFDebugInfo);
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};
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#endif // SymbolFileDWARF_DWARFDebugInfo_h_
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