1 files changed, 99 insertions, 0 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.h b/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.h
new file mode 100644
index 000000000000..941c83e58a44
--- /dev/null
+++ b/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.h
@@ -0,0 +1,99 @@
+//===-- DWARFDebugPubnamesSet.h ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SymbolFileDWARF_DWARFDebugPubnamesSet_h_
+#define SymbolFileDWARF_DWARFDebugPubnamesSet_h_
+
+#include "SymbolFileDWARF.h"
+#include <string>
+#include <vector>
+#if __cplusplus >= 201103L
+#include <unordered_map>
+#else
+#include <ext/hash_map>
+#endif
+
+class DWARFDebugPubnamesSet
+{
+public:
+    struct Header
+    {
+        uint32_t    length;     // length of the set of entries for this compilation unit, not including the length field itself
+        uint16_t    version;    // The DWARF version number
+        uint32_t    die_offset; // compile unit .debug_info offset
+        uint32_t    die_length; // compile unit .debug_info length
+        Header() :
+            length(10),
+            version(2),
+            die_offset(DW_INVALID_OFFSET),
+            die_length(0)
+        {
+        }
+    };
+
+    struct Descriptor
+    {
+        Descriptor() :
+            offset(),
+            name()
+        {
+        }
+
+        Descriptor(dw_offset_t the_offset, const char *the_name) :
+            offset(the_offset),
+            name(the_name ? the_name : "")
+        {
+        }
+
+        dw_offset_t offset;
+        std::string name;
+    };
+
+                DWARFDebugPubnamesSet();
+                DWARFDebugPubnamesSet(dw_offset_t debug_aranges_offset, dw_offset_t cu_die_offset, dw_offset_t die_length);
+    dw_offset_t GetOffset() const { return m_offset; }
+    void        SetOffset(dw_offset_t offset) { m_offset = offset; }
+    DWARFDebugPubnamesSet::Header& GetHeader() { return m_header; }
+    const DWARFDebugPubnamesSet::Header& GetHeader() const { return m_header; }
+    const DWARFDebugPubnamesSet::Descriptor* GetDescriptor(uint32_t i) const
+        {
+            if (i < m_descriptors.size())
+                return &m_descriptors[i];
+            return NULL;
+        }
+    uint32_t    NumDescriptors() const { return m_descriptors.size(); }
+    void        AddDescriptor(dw_offset_t cu_rel_offset, const char* name);
+    void        Clear();
+    bool        Extract(const lldb_private::DataExtractor& debug_pubnames_data, lldb::offset_t *offset_ptr);
+    void        Dump(lldb_private::Log *s) const;
+    void        InitNameIndexes() const;
+    void        Find(const char* name, bool ignore_case, std::vector<dw_offset_t>& die_offset_coll) const;
+    void        Find(const lldb_private::RegularExpression& regex, std::vector<dw_offset_t>& die_offsets) const;
+    dw_offset_t GetOffsetOfNextEntry() const;
+
+
+
+protected:
+    typedef std::vector<Descriptor>         DescriptorColl;
+    typedef DescriptorColl::iterator        DescriptorIter;
+    typedef DescriptorColl::const_iterator  DescriptorConstIter;
+
+
+    dw_offset_t     m_offset;
+    Header          m_header;
+#if __cplusplus >= 201103L
+    typedef std::unordered_multimap<const char*, uint32_t, std::hash<const char*>, CStringEqualBinaryPredicate> cstr_to_index_mmap;
+#else
+    typedef __gnu_cxx::hash_multimap<const char*, uint32_t, __gnu_cxx::hash<const char*>, CStringEqualBinaryPredicate> cstr_to_index_mmap;
+#endif
+    DescriptorColl  m_descriptors;
+    mutable cstr_to_index_mmap m_name_to_descriptor_index;
+};
+
+#endif  // SymbolFileDWARF_DWARFDebugPubnamesSet_h_