Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file symbol_container.cpp |
| 3 | * Internal container for symbols |
| 4 | * |
| 5 | * @remark Copyright 2002 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author Philippe Elie |
| 9 | * @author John Levon |
| 10 | */ |
| 11 | |
| 12 | #include <string> |
| 13 | #include <algorithm> |
| 14 | #include <set> |
| 15 | #include <vector> |
| 16 | |
| 17 | #include "symbol_container.h" |
| 18 | |
| 19 | using namespace std; |
| 20 | |
| 21 | symbol_container::size_type symbol_container::size() const |
| 22 | { |
| 23 | return symbols.size(); |
| 24 | } |
| 25 | |
| 26 | |
| 27 | symbol_entry const * symbol_container::insert(symbol_entry const & symb) |
| 28 | { |
| 29 | pair<symbols_t::iterator, bool> p = symbols.insert(symb); |
| 30 | if (!p.second) { |
| 31 | // safe: count is not used by sorting criteria |
| 32 | symbol_entry * symbol = const_cast<symbol_entry*>(&*p.first); |
| 33 | symbol->sample.counts += symb.sample.counts; |
| 34 | } |
| 35 | |
| 36 | return &*p.first; |
| 37 | } |
| 38 | |
| 39 | |
| 40 | symbol_collection const |
| 41 | symbol_container::find(debug_name_id filename, size_t linenr) const |
| 42 | { |
| 43 | build_by_loc(); |
| 44 | |
| 45 | symbol_entry symbol; |
| 46 | symbol.sample.file_loc.filename = filename; |
| 47 | symbol.sample.file_loc.linenr = linenr; |
| 48 | |
| 49 | symbol_collection result; |
| 50 | |
| 51 | typedef symbols_by_loc_t::const_iterator it; |
| 52 | pair<it, it> p_it = symbols_by_loc.equal_range(&symbol); |
| 53 | for ( ; p_it.first != p_it.second; ++p_it.first) |
| 54 | result.push_back(*p_it.first); |
| 55 | |
| 56 | return result; |
| 57 | } |
| 58 | |
| 59 | |
| 60 | symbol_collection const |
| 61 | symbol_container::find(debug_name_id filename) const |
| 62 | { |
| 63 | build_by_loc(); |
| 64 | |
| 65 | symbol_entry symbol; |
| 66 | symbol.sample.file_loc.filename = filename; |
| 67 | symbol.sample.file_loc.linenr = 0; |
| 68 | |
| 69 | typedef symbols_by_loc_t::const_iterator it; |
| 70 | it first = symbols_by_loc.lower_bound(&symbol); |
| 71 | symbol.sample.file_loc.linenr = (unsigned int)size_t(-1); |
| 72 | it last = symbols_by_loc.upper_bound(&symbol); |
| 73 | |
| 74 | symbol_collection result; |
| 75 | for ( ; first != last ; ++first) |
| 76 | result.push_back(*first); |
| 77 | |
| 78 | return result; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | void symbol_container::build_by_loc() const |
| 83 | { |
| 84 | if (!symbols_by_loc.empty()) |
| 85 | return; |
| 86 | |
| 87 | symbols_t::const_iterator cit = symbols.begin(); |
| 88 | symbols_t::const_iterator end = symbols.end(); |
| 89 | for (; cit != end; ++cit) |
| 90 | symbols_by_loc.insert(&*cit); |
| 91 | } |
| 92 | |
| 93 | |
| 94 | symbol_entry const * symbol_container::find_by_vma(string const & image_name, |
| 95 | bfd_vma vma) const |
| 96 | { |
| 97 | // FIXME: this is too inefficient probably |
| 98 | symbols_t::const_iterator it; |
| 99 | for (it = symbols.begin(); it != symbols.end(); ++it) { |
| 100 | if (it->sample.vma == vma && |
| 101 | image_names.name(it->image_name) == image_name) |
| 102 | return &*it; |
| 103 | } |
| 104 | |
| 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | |
| 109 | symbol_container::symbols_t::iterator symbol_container::begin() |
| 110 | { |
| 111 | return symbols.begin(); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | symbol_container::symbols_t::iterator symbol_container::end() |
| 116 | { |
| 117 | return symbols.end(); |
| 118 | } |
| 119 | |
| 120 | symbol_entry const * symbol_container::find(symbol_entry const & symbol) const |
| 121 | { |
| 122 | symbols_t::const_iterator it = symbols.find(symbol); |
| 123 | return it == symbols.end() ? 0 : &*it; |
| 124 | } |