ELFSectionSymTab.hxx revision e586f183e46f921301281352a87f67dbdc1a43b6 
1#ifndef ELF_SECTION_SYM_TAB_HXX
2#define ELF_SECTION_SYM_TAB_HXX
3
4#include "ELFSectionHeader.h"
5#include "ELFSymbol.h"
6
7template <unsigned Bitwidth>
8ELFSectionSymTab<Bitwidth>::~ELFSectionSymTab() {
9  for (size_t i = 0; i < table.size(); ++i) {
10    delete table[i];
11  }
12}
13
14template <unsigned Bitwidth>
15size_t ELFSectionSymTab<Bitwidth>::getExternFuncCount() const {
16  size_t result = 0;
17  for (size_t i = 0; i < table.size(); ++i) {
18    if (table[i] && table[i]->isExternFunc()) {
19      result++;
20    }
21  }
22  return result;
23}
24
25template <unsigned Bitwidth>
26template <typename Archiver>
27ELFSectionSymTab<Bitwidth> *
28ELFSectionSymTab<Bitwidth>::read(Archiver &AR,
29                                 ELFObjectTy *owner,
30                                 ELFSectionHeaderTy const *sh) {
31
32  llvm::OwningPtr<ELFSectionSymTabTy> st(new ELFSectionSymTabTy());
33
34  // Assert that entry size will be the same as standard.
35  assert(sh->getEntrySize() == TypeTraits<ELFSymbolTy>::size);
36
37  // Seek to the start of symbol table
38  AR.seek(sh->getOffset(), true);
39
40  // Read all symbol table entry
41  size_t size = sh->getSize() / sh->getEntrySize();
42  for (size_t i = 0; i < size; ++i) {
43    st->table.push_back(ELFSymbolTy::read(AR, owner, i));
44  }
45
46  if (!AR) {
47    // Unable to read the table.
48    return 0;
49  }
50
51  return st.take();
52}
53
54template <unsigned Bitwidth>
55void ELFSectionSymTab<Bitwidth>::print() const {
56  using namespace llvm;
57
58  out() << '\n' << fillformat('=', 79) << '\n';
59  out().changeColor(raw_ostream::WHITE, true);
60  out() << "Symbol Table" << '\n';
61  out().resetColor();
62
63  for (size_t i = 0; i < table.size(); ++i) {
64    table[i]->print();
65  }
66
67  out() << fillformat('=', 79) << '\n';
68}
69
70#endif // ELF_SECTION_SYM_TAB_HXX
71