Symtab.h revision 020f353bf792f1028e4037ea92d03acc90594c40 
1//===-- Symtab.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
11#ifndef liblldb_Symtab_h_
12#define liblldb_Symtab_h_
13
14#include <vector>
15
16#include "lldb/lldb-private.h"
17#include "lldb/Core/UniqueCStringMap.h"
18#include "lldb/Symbol/Symbol.h"
19
20namespace lldb_private {
21
22class Symtab
23{
24public:
25                        Symtab(ObjectFile *objfile);
26                        ~Symtab();
27
28            void        Reserve (uint32_t count);
29            Symbol *    Resize (uint32_t count);
30            uint32_t    AddSymbol(const Symbol& symbol);
31            size_t      GetNumSymbols() const;
32            void        Dump(Stream *s, Process *process) const;
33            void        Dump(Stream *s, Process *process, std::vector<uint32_t>& indexes) const;
34
35            Symbol *    SymbolAtIndex (uint32_t idx);
36    const   Symbol *    SymbolAtIndex (uint32_t idx) const;
37            Symbol *    FindSymbolWithType (lldb::SymbolType symbol_type, uint32_t &start_idx);
38    const   Symbol *    FindSymbolWithType (lldb::SymbolType symbol_type, uint32_t &start_idx) const;
39            uint32_t    AppendSymbolIndexesWithType (lldb::SymbolType symbol_type, std::vector<uint32_t>& matches, uint32_t start_idx = 0, uint32_t end_index = UINT_MAX) const;
40            uint32_t    AppendSymbolIndexesWithName (const ConstString& symbol_name, std::vector<uint32_t>& matches);
41            uint32_t    AppendSymbolIndexesWithNameAndType (const ConstString& symbol_name, lldb::SymbolType symbol_type, std::vector<uint32_t>& matches);
42            uint32_t    AppendSymbolIndexesMatchingRegExAndType (const RegularExpression &regex, lldb::SymbolType symbol_type, std::vector<uint32_t>& indexes);
43            size_t      FindAllSymbolsWithNameAndType (const ConstString &name, lldb::SymbolType symbol_type, std::vector<uint32_t>& symbol_indexes);
44            size_t      FindAllSymbolsMatchingRexExAndType (const RegularExpression &regex, lldb::SymbolType symbol_type, std::vector<uint32_t>& symbol_indexes);
45            Symbol *    FindFirstSymbolWithNameAndType (const ConstString &name, lldb::SymbolType symbol_type = lldb::eSymbolTypeAny);
46            Symbol *    FindSymbolWithFileAddress (lldb::addr_t file_addr);
47//            Symbol *    FindSymbolContainingAddress (const Address& value, const uint32_t* indexes, uint32_t num_indexes);
48//            Symbol *    FindSymbolContainingAddress (const Address& value);
49            Symbol *    FindSymbolContainingFileAddress (lldb::addr_t file_addr, const uint32_t* indexes, uint32_t num_indexes);
50            Symbol *    FindSymbolContainingFileAddress (lldb::addr_t file_addr);
51            size_t      CalculateSymbolSize (Symbol *symbol);
52
53            void        SortSymbolIndexesByValue (std::vector<uint32_t>& indexes, bool remove_duplicates) const;
54
55    static  void        DumpSymbolHeader (Stream *s);
56
57protected:
58    typedef std::vector<Symbol>     collection;
59    typedef collection::iterator        iterator;
60    typedef collection::const_iterator  const_iterator;
61
62    static  int         CompareSymbolValueByIndex (void *thunk, const void *a, const void *b);
63    static  int         CompareSymbolValueByIndexLinux (const void *a, const void *b, void *thunk);
64            void        InitNameIndexes ();
65            void        InitAddressIndexes ();
66
67    ObjectFile *        m_objfile;
68    collection          m_symbols;
69    std::vector<uint32_t> m_addr_indexes;
70    UniqueCStringMap<uint32_t> m_name_to_index;
71
72private:
73    DISALLOW_COPY_AND_ASSIGN (Symtab);
74};
75
76} // namespace lldb_private
77
78#endif  // liblldb_Symtab_h_
79