| Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame^] | 1 | //===-- DWARFDebugPubnamesSet.h ---------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef liblldb_DWARFDebugPubnamesSet_h_ |
| 11 | #define SymbolFileDWARF_DWARFDebugPubnamesSet_h_ |
| 12 | |
| 13 | #include "SymbolFileDWARF.h" |
| 14 | #include <string> |
| 15 | #include <vector> |
| 16 | #include <ext/hash_map> |
| 17 | |
| 18 | class DWARFDebugPubnamesSet |
| 19 | { |
| 20 | public: |
| 21 | struct Header |
| 22 | { |
| 23 | uint32_t length; // length of the set of entries for this compilation unit, not including the length field itself |
| 24 | uint16_t version; // The DWARF version number |
| 25 | uint32_t die_offset; // compile unit .debug_info offset |
| 26 | uint32_t die_length; // compile unit .debug_info length |
| 27 | Header() : |
| 28 | length(10), |
| 29 | version(2), |
| 30 | die_offset(DW_INVALID_OFFSET), |
| 31 | die_length(0) |
| 32 | { |
| 33 | } |
| 34 | }; |
| 35 | |
| 36 | struct Descriptor |
| 37 | { |
| 38 | Descriptor() : |
| 39 | offset(), |
| 40 | name() |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | Descriptor(dw_offset_t the_offset, const char *the_name) : |
| 45 | offset(the_offset), |
| 46 | name(the_name ? the_name : "") |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | dw_offset_t offset; |
| 51 | std::string name; |
| 52 | }; |
| 53 | |
| 54 | DWARFDebugPubnamesSet(); |
| 55 | DWARFDebugPubnamesSet(dw_offset_t debug_aranges_offset, dw_offset_t cu_die_offset, dw_offset_t die_length); |
| 56 | dw_offset_t GetOffset() const { return m_offset; } |
| 57 | void SetOffset(dw_offset_t offset) { m_offset = offset; } |
| 58 | DWARFDebugPubnamesSet::Header& GetHeader() { return m_header; } |
| 59 | const DWARFDebugPubnamesSet::Header& GetHeader() const { return m_header; } |
| 60 | const DWARFDebugPubnamesSet::Descriptor* GetDescriptor(uint32_t i) const |
| 61 | { |
| 62 | if (i < m_descriptors.size()) |
| 63 | return &m_descriptors[i]; |
| 64 | return NULL; |
| 65 | } |
| 66 | uint32_t NumDescriptors() const { return m_descriptors.size(); } |
| 67 | void AddDescriptor(dw_offset_t cu_rel_offset, const char* name); |
| 68 | void Clear(); |
| 69 | bool Extract(const lldb_private::DataExtractor& debug_pubnames_data, uint32_t* offset_ptr); |
| 70 | void Dump(lldb_private::Log *s) const; |
| 71 | void InitNameIndexes() const; |
| 72 | void Find(const char* name, bool ignore_case, std::vector<dw_offset_t>& die_offset_coll) const; |
| 73 | void Find(const lldb_private::RegularExpression& regex, std::vector<dw_offset_t>& die_offsets) const; |
| 74 | dw_offset_t GetOffsetOfNextEntry() const; |
| 75 | |
| 76 | |
| 77 | |
| 78 | protected: |
| 79 | typedef std::vector<Descriptor> DescriptorColl; |
| 80 | typedef DescriptorColl::iterator DescriptorIter; |
| 81 | typedef DescriptorColl::const_iterator DescriptorConstIter; |
| 82 | |
| 83 | |
| 84 | dw_offset_t m_offset; |
| 85 | Header m_header; |
| 86 | typedef __gnu_cxx::hash_multimap<const char*, uint32_t, __gnu_cxx::hash<const char*>, CStringEqualBinaryPredicate> cstr_to_index_mmap; |
| 87 | DescriptorColl m_descriptors; |
| 88 | mutable cstr_to_index_mmap m_name_to_descriptor_index; |
| 89 | }; |
| 90 | |
| 91 | #endif // SymbolFileDWARF_DWARFDebugPubnamesSet_h_ |