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 using 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_ExecStack(Unknown),
24 m_NoUndefined(Unknown),
25 m_MulDefs(Unknown),
26 m_CommPageSize(0x0),
27 m_MaxPageSize(0x0),
28 m_bCombReloc(true),
29 m_bInitFirst(false),
30 m_bInterPose(false),
31 m_bLoadFltr(false),
32 m_bNoCopyReloc(false),
33 m_bNoDefaultLib(false),
34 m_bNoDelete(false),
35 m_bNoDLOpen(false),
36 m_bNoDump(false),
37 m_bRelro(false),
38 m_bNow(false),
39 m_bOrigin(false),
40 m_bTrace(false),
41 m_Bsymbolic(false),
42 m_Bgroup(false),
43 m_bPIE(false),
44 m_bColor(true),
45 m_bCreateEhFrameHdr(false),
46 m_bNMagic(false),
47 m_bOMagic(false),
48 m_bStripDebug(false),
49 m_bExportDynamic(false),
50 m_bWarnSharedTextrel(false),
51 m_bBinaryInput(false),
52 m_bDefineCommon(false),
53 m_bFatalWarnings(false),
54 m_bNewDTags(false),
55 m_bNoStdlib(false),
56 m_bWarnMismatch(true),
57 m_bGCSections(false),
58 m_bPrintGCSections(false),
59 m_bGenUnwindInfo(true),
60 m_bPrintICFSections(false),
61 m_ICF(ICF_None),
62 m_ICFIterations(0) ,
63 m_GPSize(8),
64 m_StripSymbols(KeepAllSymbols),
65 m_HashStyle(SystemV) {
66 }
67
~GeneralOptions()68 GeneralOptions::~GeneralOptions()
69 {
70 }
71
setSOName(const std::string & pName)72 void GeneralOptions::setSOName(const std::string& pName)
73 {
74 size_t pos = pName.find_last_of(sys::fs::separator);
75 if (std::string::npos == pos)
76 m_SOName = pName;
77 else
78 m_SOName = pName.substr(pos + 1);
79 }
80
addZOption(const ZOption & pOption)81 void GeneralOptions::addZOption(const ZOption& pOption)
82 {
83 switch (pOption.kind()) {
84 case ZOption::CombReloc:
85 m_bCombReloc = true;
86 break;
87 case ZOption::NoCombReloc:
88 m_bCombReloc = false;
89 break;
90 case ZOption::Defs:
91 m_NoUndefined = YES;
92 break;
93 case ZOption::ExecStack:
94 m_ExecStack = YES;
95 break;
96 case ZOption::NoExecStack:
97 m_ExecStack = NO;
98 break;
99 case ZOption::InitFirst:
100 m_bInitFirst = true;
101 break;
102 case ZOption::InterPose:
103 m_bInterPose = true;
104 break;
105 case ZOption::LoadFltr:
106 m_bLoadFltr = true;
107 break;
108 case ZOption::MulDefs:
109 m_MulDefs = YES;
110 break;
111 case ZOption::NoCopyReloc:
112 m_bNoCopyReloc = true;
113 break;
114 case ZOption::NoDefaultLib:
115 m_bNoDefaultLib = true;
116 break;
117 case ZOption::NoDelete:
118 m_bNoDelete = true;
119 break;
120 case ZOption::NoDLOpen:
121 m_bNoDLOpen = true;
122 break;
123 case ZOption::NoDump:
124 m_bNoDump = true;
125 break;
126 case ZOption::NoRelro:
127 m_bRelro = false;
128 break;
129 case ZOption::Relro:
130 m_bRelro = true;
131 break;
132 case ZOption::Lazy:
133 m_bNow = false;
134 break;
135 case ZOption::Now:
136 m_bNow = true;
137 break;
138 case ZOption::Origin:
139 m_bOrigin = true;
140 break;
141 case ZOption::CommPageSize:
142 m_CommPageSize = pOption.pageSize();
143 break;
144 case ZOption::MaxPageSize:
145 m_MaxPageSize = pOption.pageSize();
146 break;
147 case ZOption::Unknown:
148 default:
149 assert(false && "Not a recognized -z option.");
150 break;
151 }
152 }
153
isInExcludeLIBS(const Input & pInput) const154 bool GeneralOptions::isInExcludeLIBS(const Input& pInput) const
155 {
156 assert(pInput.type() == Input::Archive);
157
158 if (m_ExcludeLIBS.empty()) {
159 return false;
160 }
161
162 // Specifying "--exclude-libs ALL" excludes symbols in all archive libraries
163 // from automatic export.
164 if (m_ExcludeLIBS.count("ALL") != 0) {
165 return true;
166 }
167
168 std::string name(pInput.name());
169 name.append(".a");
170 if (m_ExcludeLIBS.count(name) != 0) {
171 return true;
172 }
173
174 return false;
175 }
176