96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
//===-- DWARFDebugPubnamesSet.h ---------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SymbolFileDWARF_DWARFDebugPubnamesSet_h_
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#define SymbolFileDWARF_DWARFDebugPubnamesSet_h_
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#include "SymbolFileDWARF.h"
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#include <map>
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#include <string>
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#include <vector>
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#if __cplusplus >= 201103L || defined(_MSC_VER)
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#include <unordered_map>
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#else
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#include <ext/hash_map>
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#endif
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#include "lldb/Core/STLUtils.h"
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class DWARFDebugPubnamesSet {
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public:
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struct Header {
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uint32_t length; // length of the set of entries for this compilation unit,
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// not including the length field itself
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uint16_t version; // The DWARF version number
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uint32_t die_offset; // compile unit .debug_info offset
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uint32_t die_length; // compile unit .debug_info length
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Header()
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: length(10), version(2), die_offset(DW_INVALID_OFFSET), die_length(0) {
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}
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};
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struct Descriptor {
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Descriptor() : offset(), name() {}
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Descriptor(dw_offset_t the_offset, const char *the_name)
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: offset(the_offset), name(the_name ? the_name : "") {}
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dw_offset_t offset;
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std::string name;
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};
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DWARFDebugPubnamesSet();
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DWARFDebugPubnamesSet(dw_offset_t debug_aranges_offset,
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dw_offset_t cu_die_offset, dw_offset_t die_length);
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dw_offset_t GetOffset() const { return m_offset; }
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void SetOffset(dw_offset_t offset) { m_offset = offset; }
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DWARFDebugPubnamesSet::Header &GetHeader() { return m_header; }
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const DWARFDebugPubnamesSet::Header &GetHeader() const { return m_header; }
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const DWARFDebugPubnamesSet::Descriptor *GetDescriptor(uint32_t i) const {
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if (i < m_descriptors.size())
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return &m_descriptors[i];
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return NULL;
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}
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uint32_t NumDescriptors() const { return m_descriptors.size(); }
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void AddDescriptor(dw_offset_t cu_rel_offset, const char *name);
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void Clear();
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bool Extract(const lldb_private::DWARFDataExtractor &debug_pubnames_data,
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lldb::offset_t *offset_ptr);
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void Dump(lldb_private::Log *s) const;
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void InitNameIndexes() const;
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void Find(const char *name, bool ignore_case,
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std::vector<dw_offset_t> &die_offset_coll) const;
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void Find(const lldb_private::RegularExpression ®ex,
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std::vector<dw_offset_t> &die_offsets) const;
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dw_offset_t GetOffsetOfNextEntry() const;
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protected:
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typedef std::vector<Descriptor> DescriptorColl;
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typedef DescriptorColl::iterator DescriptorIter;
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typedef DescriptorColl::const_iterator DescriptorConstIter;
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dw_offset_t m_offset;
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Header m_header;
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#if __cplusplus >= 201103L || defined(_MSC_VER)
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typedef std::unordered_multimap<const char *, uint32_t,
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std::hash<const char *>,
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CStringEqualBinaryPredicate>
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cstr_to_index_mmap;
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#else
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typedef __gnu_cxx::hash_multimap<const char *, uint32_t,
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__gnu_cxx::hash<const char *>,
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CStringEqualBinaryPredicate>
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cstr_to_index_mmap;
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#endif
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DescriptorColl m_descriptors;
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mutable cstr_to_index_mmap m_name_to_descriptor_index;
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};
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#endif // SymbolFileDWARF_DWARFDebugPubnamesSet_h_
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