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//===-- 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 SymbolFileDWARF_DWARFDebugInfo_h_
#define SymbolFileDWARF_DWARFDebugInfo_h_
#include <map>
#include <vector>
#include "DWARFUnit.h"
#include "DWARFDIE.h"
#include "SymbolFileDWARF.h"
#include "lldb/Core/STLUtils.h"
#include "lldb/lldb-private.h"
typedef std::multimap<const char *, dw_offset_t, CStringCompareFunctionObject>
CStringToDIEMap;
typedef CStringToDIEMap::iterator CStringToDIEMapIter;
typedef CStringToDIEMap::const_iterator CStringToDIEMapConstIter;
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);
DWARFDebugInfo();
void SetDwarfData(SymbolFileDWARF *dwarf2Data);
size_t GetNumCompileUnits();
bool ContainsCompileUnit(const DWARFUnit *cu) const;
DWARFUnit *GetCompileUnitAtIndex(uint32_t idx);
DWARFUnit *GetCompileUnit(dw_offset_t cu_offset, uint32_t *idx_ptr = NULL);
DWARFUnit *GetCompileUnitContainingDIEOffset(dw_offset_t die_offset);
DWARFUnit *GetCompileUnit(const DIERef &die_ref);
DWARFDIE GetDIEForDIEOffset(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
};
DWARFDebugAranges &GetCompileUnitAranges();
protected:
static bool OffsetLessThanCompileUnitOffset(dw_offset_t offset,
const DWARFUnitSP &cu_sp);
typedef std::vector<DWARFUnitSP> CompileUnitColl;
//----------------------------------------------------------------------
// Member variables
//----------------------------------------------------------------------
SymbolFileDWARF *m_dwarf2Data;
CompileUnitColl m_compile_units;
std::unique_ptr<DWARFDebugAranges>
m_cu_aranges_ap; // A quick address to compile unit table
private:
// All parsing needs to be done partially any managed by this class as
// accessors are called.
void ParseCompileUnitHeadersIfNeeded();
DISALLOW_COPY_AND_ASSIGN(DWARFDebugInfo);
};
#endif // SymbolFileDWARF_DWARFDebugInfo_h_
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