1 //===- Module.cpp ---------------------------------------------------------===//
2 //
3 // The MCLinker Project
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 #include "mcld/Module.h"
10 #include "mcld/Fragment/FragmentRef.h"
11 #include "mcld/LD/EhFrame.h"
12 #include "mcld/LD/LDSection.h"
13 #include "mcld/LD/LDSymbol.h"
14 #include "mcld/LD/NamePool.h"
15 #include "mcld/LD/ResolveInfo.h"
16 #include "mcld/LD/SectionData.h"
17 #include "mcld/LD/StaticResolver.h"
18
19 namespace mcld {
20
21 static GCFactory<Module::AliasList, MCLD_SECTIONS_PER_INPUT>
22 gc_aliaslist_factory;
23
24 //===----------------------------------------------------------------------===//
25 // Module
26 //===----------------------------------------------------------------------===//
Module(LinkerScript & pScript)27 Module::Module(LinkerScript& pScript) : m_Script(pScript), m_NamePool(1024) {
28 }
29
Module(const std::string & pName,LinkerScript & pScript)30 Module::Module(const std::string& pName, LinkerScript& pScript)
31 : m_Name(pName), m_Script(pScript), m_NamePool(1024) {
32 }
33
~Module()34 Module::~Module() {
35 }
36
37 // Following two functions will be obsolette when we have new section merger.
getSection(const std::string & pName)38 LDSection* Module::getSection(const std::string& pName) {
39 iterator sect, sectEnd = end();
40 for (sect = begin(); sect != sectEnd; ++sect) {
41 if ((*sect)->name() == pName)
42 return *sect;
43 }
44 return NULL;
45 }
46
getSection(const std::string & pName) const47 const LDSection* Module::getSection(const std::string& pName) const {
48 const_iterator sect, sectEnd = end();
49 for (sect = begin(); sect != sectEnd; ++sect) {
50 if ((*sect)->name() == pName)
51 return *sect;
52 }
53 return NULL;
54 }
55
CreateAliasList(const ResolveInfo & pSym)56 void Module::CreateAliasList(const ResolveInfo& pSym) {
57 AliasList* result = gc_aliaslist_factory.allocate();
58 new (result) AliasList();
59 m_AliasLists.push_back(result);
60 result->push_back(&pSym);
61 }
62
addAlias(const ResolveInfo & pAlias)63 void Module::addAlias(const ResolveInfo& pAlias) {
64 assert(m_AliasLists.size() != 0);
65 uint32_t last_pos = m_AliasLists.size() - 1;
66 m_AliasLists[last_pos]->push_back(&pAlias);
67 }
68
getAliasList(const ResolveInfo & pSym)69 Module::AliasList* Module::getAliasList(const ResolveInfo& pSym) {
70 std::vector<AliasList*>::iterator list_it, list_it_e = m_AliasLists.end();
71 for (list_it = m_AliasLists.begin(); list_it != list_it_e; ++list_it) {
72 AliasList& list = **list_it;
73 alias_iterator alias_it, alias_it_e = list.end();
74 for (alias_it = list.begin(); alias_it != alias_it_e; ++alias_it) {
75 if (strcmp((*alias_it)->name(), pSym.name()) == 0) {
76 return &list;
77 }
78 }
79 }
80 return NULL;
81 }
82
83 } // namespace mcld
84