1 files changed, 86 insertions, 0 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.h
new file mode 100644
index 00000000000..f506a3de6e0
--- /dev/null
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.h
@@ -0,0 +1,86 @@
+//===-- 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);
+    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_EnglishyNames         = (1<<2),   // Show the DW_TAG, DW_AT and DW_FORM types in more englishy names instead of as DWARF definitions values
+        eDumpFlag_ShowAncestors         = (1<<3)    // 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_