llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.h

88 lines
3.4 KiB
C++

//===-- DWARFDebugInfo.h ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_DWARFDebugInfo_h_
#define SymbolFileDWARF_DWARFDebugInfo_h_
#include <vector>
#include <map>
#include "lldb/lldb-private.h"
#include "lldb/lldb-private.h"
#include "SymbolFileDWARF.h"
typedef std::multimap<const char*, dw_offset_t, CStringCompareFunctionObject> CStringToDIEMap;
typedef CStringToDIEMap::iterator CStringToDIEMapIter;
typedef CStringToDIEMap::const_iterator CStringToDIEMapConstIter;
typedef lldb::SharedPtr<DWARFCompileUnit>::Type DWARFCompileUnitSP;
class DWARFDebugInfo
{
public:
typedef dw_offset_t (*Callback)(
SymbolFileDWARF* dwarf2Data,
DWARFCompileUnitSP& cu_shared_ptr,
DWARFDebugInfoEntry* die,
const dw_offset_t next_offset,
const uint32_t depth,
void* userData);
DWARFDebugInfo();
void SetDwarfData(SymbolFileDWARF* dwarf2Data);
bool BuildFunctionAddressRangeTable(DWARFDebugAranges* debug_aranges);
bool LookupAddress(
const dw_addr_t address,
const dw_offset_t cu_offset, // Can be valid (find in .debug_aranges), or DW_INVALID_OFFSET if we need to search manually
DWARFCompileUnitSP& cu_shared_ptr,
DWARFDebugInfoEntry** function_die,
DWARFDebugInfoEntry** block_die);
void AddCompileUnit(DWARFCompileUnitSP& cu);
uint32_t GetNumCompileUnits();
DWARFCompileUnit* GetCompileUnitAtIndex(uint32_t idx);
DWARFCompileUnitSP GetCompileUnit(dw_offset_t cu_offset, uint32_t* idx_ptr = NULL);
DWARFCompileUnitSP GetCompileUnitContainingDIE(dw_offset_t die_offset);
DWARFDebugInfoEntry* GetDIEPtr(dw_offset_t die_offset, DWARFCompileUnitSP* cu_sp_ptr);
DWARFDebugInfoEntry* GetDIEPtrWithCompileUnitHint (dw_offset_t die_offset, DWARFCompileUnit**cu_handle);
const DWARFDebugInfoEntry* GetDIEPtrContainingOffset(dw_offset_t die_offset, DWARFCompileUnitSP* cu_sp_ptr);
void Dump(lldb_private::Stream *s, const uint32_t die_offset, const uint32_t recurse_depth);
static void Parse(SymbolFileDWARF* parser, Callback callback, void* userData);
static void Verify(lldb_private::Stream *s, SymbolFileDWARF* dwarf2Data);
static void Dump(lldb_private::Stream *s, SymbolFileDWARF* dwarf2Data, const uint32_t die_offset, const uint32_t recurse_depth);
bool Find(const char* name, bool ignore_case, std::vector<dw_offset_t>& die_offsets) const;
bool Find(lldb_private::RegularExpression& re, std::vector<dw_offset_t>& die_offsets) const;
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
};
protected:
SymbolFileDWARF* m_dwarf2Data;
typedef std::vector<DWARFCompileUnitSP> CompileUnitColl;
CompileUnitColl m_compile_units;
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_