1 //===- GeneralOptions.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/GeneralOptions.h"
10 #include "mcld/MC/Input.h"
11 #include "mcld/MC/ZOption.h"
12 #include <cassert>
13
14 namespace mcld {
15
16 //===----------------------------------------------------------------------===//
17 // GeneralOptions
18 //===----------------------------------------------------------------------===//
GeneralOptions()19 GeneralOptions::GeneralOptions()
20 : m_Verbose(-1),
21 m_MaxErrorNum(-1),
22 m_MaxWarnNum(-1),
23 m_NumSpareDTags(5),
24 m_ExecStack(Unknown),
25 m_NoUndefined(Unknown),
26 m_MulDefs(Unknown),
27 m_CommPageSize(0x0),
28 m_MaxPageSize(0x0),
29 m_bCombReloc(true),
30 m_bInitFirst(false),
31 m_bInterPose(false),
32 m_bLoadFltr(false),
33 m_bNoCopyReloc(false),
34 m_bNoDefaultLib(false),
35 m_bNoDelete(false),
36 m_bNoDLOpen(false),
37 m_bNoDump(false),
38 m_bRelro(false),
39 m_bNow(false),
40 m_bOrigin(false),
41 m_bTrace(false),
42 m_Bsymbolic(false),
43 m_Bgroup(false),
44 m_bPIE(false),
45 m_bColor(true),
46 m_bCreateEhFrameHdr(false),
47 m_bNMagic(false),
48 m_bOMagic(false),
49 m_bStripDebug(false),
50 m_bExportDynamic(false),
51 m_bWarnSharedTextrel(false),
52 m_bBinaryInput(false),
53 m_bDefineCommon(false),
54 m_bFatalWarnings(false),
55 m_bNewDTags(false),
56 m_bNoStdlib(false),
57 m_bWarnMismatch(true),
58 m_bGCSections(false),
59 m_bPrintGCSections(false),
60 m_bGenUnwindInfo(true),
61 m_bPrintICFSections(false),
62 m_ICF(ICF::None),
63 m_ICFIterations(2),
64 m_StripSymbols(StripSymbolMode::KeepAllSymbols),
65 m_HashStyle(HashStyle::SystemV) {
66 }
67
~GeneralOptions()68 GeneralOptions::~GeneralOptions() {
69 }
70
setSOName(const std::string & pName)71 void GeneralOptions::setSOName(const std::string& pName) {
72 size_t pos = pName.find_last_of(sys::fs::separator);
73 if (std::string::npos == pos)
74 m_SOName = pName;
75 else
76 m_SOName = pName.substr(pos + 1);
77 }
78
addZOption(const ZOption & pOption)79 void GeneralOptions::addZOption(const ZOption& pOption) {
80 switch (pOption.kind()) {
81 case ZOption::CombReloc:
82 m_bCombReloc = true;
83 break;
84 case ZOption::NoCombReloc:
85 m_bCombReloc = false;
86 break;
87 case ZOption::Defs:
88 m_NoUndefined = YES;
89 break;
90 case ZOption::ExecStack:
91 m_ExecStack = YES;
92 break;
93 case ZOption::NoExecStack:
94 m_ExecStack = NO;
95 break;
96 case ZOption::InitFirst:
97 m_bInitFirst = true;
98 break;
99 case ZOption::InterPose:
100 m_bInterPose = true;
101 break;
102 case ZOption::LoadFltr:
103 m_bLoadFltr = true;
104 break;
105 case ZOption::MulDefs:
106 m_MulDefs = YES;
107 break;
108 case ZOption::NoCopyReloc:
109 m_bNoCopyReloc = true;
110 break;
111 case ZOption::NoDefaultLib:
112 m_bNoDefaultLib = true;
113 break;
114 case ZOption::NoDelete:
115 m_bNoDelete = true;
116 break;
117 case ZOption::NoDLOpen:
118 m_bNoDLOpen = true;
119 break;
120 case ZOption::NoDump:
121 m_bNoDump = true;
122 break;
123 case ZOption::NoRelro:
124 m_bRelro = false;
125 break;
126 case ZOption::Relro:
127 m_bRelro = true;
128 break;
129 case ZOption::Lazy:
130 m_bNow = false;
131 break;
132 case ZOption::Now:
133 m_bNow = true;
134 break;
135 case ZOption::Origin:
136 m_bOrigin = true;
137 break;
138 case ZOption::CommPageSize:
139 m_CommPageSize = pOption.pageSize();
140 break;
141 case ZOption::MaxPageSize:
142 m_MaxPageSize = pOption.pageSize();
143 break;
144 case ZOption::Unknown:
145 default:
146 assert(false && "Not a recognized -z option.");
147 break;
148 }
149 }
150
isInExcludeLIBS(const Input & pInput) const151 bool GeneralOptions::isInExcludeLIBS(const Input& pInput) const {
152 assert(pInput.type() == Input::Archive);
153
154 if (m_ExcludeLIBS.empty()) {
155 return false;
156 }
157
158 // Specifying "--exclude-libs ALL" excludes symbols in all archive libraries
159 // from automatic export.
160 if (m_ExcludeLIBS.count("ALL") != 0) {
161 return true;
162 }
163
164 std::string name(pInput.name());
165 name.append(".a");
166 if (m_ExcludeLIBS.count(name) != 0) {
167 return true;
168 }
169
170 return false;
171 }
172
173 } // namespace mcld
174