1 //===- MCLDOptions.h ------------------------------------------------------===// 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 #ifndef MCLD_OPTIONS_H 10 #define MCLD_OPTIONS_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 #include <string> 15 #include <llvm/ADT/StringRef.h> 16 #include <mcld/ADT/StringEntry.h> 17 #include <mcld/ADT/HashTable.h> 18 #include <mcld/Support/RealPath.h> 19 #include <mcld/Support/FileSystem.h> 20 #include <mcld/MC/SearchDirs.h> 21 #include <mcld/MC/ZOption.h> 22 23 namespace mcld 24 { 25 class Input; 26 27 /** \class ScriptOptions 28 * 29 */ 30 class ScriptOptions 31 { 32 public: 33 typedef HashTable<StringEntry<llvm::StringRef>, 34 StringHash<ELF>, 35 StringEntryFactory<llvm::StringRef> > SymbolRenameMap; 36 37 public: 38 ScriptOptions(); 39 ~ScriptOptions(); 40 41 SymbolRenameMap& renameMap() 42 { return m_SymbolRenames; } 43 44 const SymbolRenameMap& renameMap() const 45 { return m_SymbolRenames; } 46 47 private: 48 SymbolRenameMap m_SymbolRenames; 49 }; 50 51 /** \class GeneralOptions 52 * \brief GeneralOptions collects the options that not be one of the 53 * - input files 54 * - attribute of input files 55 * - script options 56 */ 57 class GeneralOptions 58 { 59 public: 60 GeneralOptions(); 61 ~GeneralOptions(); 62 63 /// default link script 64 bool hasDefaultLDScript() const; 65 const char* defaultLDScript() const; 66 void setDefaultLDScript(const std::string& pFilename); 67 68 /// sysroot 69 const sys::fs::Path& sysroot() const 70 { return m_Sysroot; } 71 72 void setSysroot(const sys::fs::Path &pPath); 73 74 /// search directory 75 SearchDirs& directories() 76 { return m_SearchDirs; } 77 78 const SearchDirs& directories() const 79 { return m_SearchDirs; } 80 81 /// trace 82 void setTrace(bool pEnableTrace = true) 83 { m_bTrace = pEnableTrace; } 84 85 bool trace() const 86 { return m_bTrace; } 87 88 void setBsymbolic(bool pBsymbolic = false) 89 { m_Bsymbolic = pBsymbolic; } 90 91 bool Bsymbolic() const 92 { return m_Bsymbolic; } 93 94 void setPIE(bool pPIE = true) 95 { m_bPIE = pPIE; } 96 97 bool isPIE() const 98 { return m_bPIE; } 99 100 void setBgroup(bool pBgroup = false) 101 { m_Bgroup = pBgroup; } 102 103 bool Bgroup() const 104 { return m_Bgroup; } 105 106 bool hasEntry() const 107 { return !m_Entry.empty(); } 108 109 void setEntry(const std::string& pEntry) 110 { m_Entry = pEntry; } 111 112 const std::string& entry() const 113 { return m_Entry; } 114 115 void setDyld(const std::string& pDyld) 116 { m_Dyld = pDyld; } 117 118 const std::string& dyld() const 119 { return m_Dyld; } 120 121 bool hasDyld() const 122 { return !m_Dyld.empty(); } 123 124 void setAllowShlibUndefined(bool pEnabled = true) 125 { m_bAllowShlibUndefined = pEnabled; } 126 127 bool isAllowShlibUndefined() const 128 { return m_bAllowShlibUndefined; } 129 130 void setVerbose(int8_t pVerbose = -1) 131 { m_Verbose = pVerbose; } 132 133 int8_t verbose() const 134 { return m_Verbose; } 135 136 void setMaxErrorNum(int16_t pNum) 137 { m_MaxErrorNum = pNum; } 138 139 int16_t maxErrorNum() const 140 { return m_MaxErrorNum; } 141 142 void setMaxWarnNum(int16_t pNum) 143 { m_MaxWarnNum = pNum; } 144 145 int16_t maxWarnNum() const 146 { return m_MaxWarnNum; } 147 148 void setColor(bool pEnabled = true) 149 { m_bColor = pEnabled; } 150 151 bool color() const 152 { return m_bColor; } 153 154 void setNoUndefined(bool pEnable = false) 155 { m_bNoUndefined = pEnable; } 156 157 void setMulDefs(bool pEnable = false) 158 { m_bMulDefs = pEnable; } 159 160 void setEhFrameHdr(bool pEnable = true) 161 { m_bCreateEhFrameHdr = pEnable; } 162 163 /// ----- the -z options ----- /// 164 void addZOption(const mcld::ZOption& pOption); 165 166 bool hasCombReloc() const 167 { return m_bCombReloc; } 168 169 bool isNoUndefined() const 170 { return m_bNoUndefined; } 171 172 bool hasStackSet() const 173 { return (Unknown != m_ExecStack); } 174 175 bool hasExecStack() const 176 { return (YES == m_ExecStack); } 177 178 bool hasInitFirst() const 179 { return m_bInitFirst; } 180 181 bool hasInterPose() const 182 { return m_bInterPose; } 183 184 bool hasLoadFltr() const 185 { return m_bLoadFltr; } 186 187 bool hasMulDefs() const 188 { return m_bMulDefs; } 189 190 bool hasNoCopyReloc() const 191 { return m_bNoCopyReloc; } 192 193 bool hasNoDefaultLib() const 194 { return m_bNoDefaultLib; } 195 196 bool hasNoDelete() const 197 { return m_bNoDelete; } 198 199 bool hasNoDLOpen() const 200 { return m_bNoDLOpen; } 201 202 bool hasNoDump() const 203 { return m_bNoDump; } 204 205 bool hasRelro() const 206 { return m_bRelro; } 207 208 bool hasNow() const 209 { return m_bNow; } 210 211 bool hasOrigin() const 212 { return m_bOrigin; } 213 214 uint64_t commPageSize() const 215 { return m_CommPageSize; } 216 217 uint64_t maxPageSize() const 218 { return m_MaxPageSize; } 219 220 bool hasEhFrameHdr() const 221 { return m_bCreateEhFrameHdr; } 222 223 private: 224 enum status { 225 YES, 226 NO, 227 Unknown 228 }; 229 230 private: 231 Input* m_pDefaultBitcode; 232 std::string m_DefaultLDScript; 233 sys::fs::RealPath m_Sysroot; 234 SearchDirs m_SearchDirs; 235 std::string m_Entry; 236 std::string m_Dyld; 237 int8_t m_Verbose; // --verbose[=0,1,2] 238 uint16_t m_MaxErrorNum; // --error-limit=N 239 uint16_t m_MaxWarnNum; // --warning-limit=N 240 status m_ExecStack; // execstack, noexecstack 241 uint64_t m_CommPageSize; // common-page-size=value 242 uint64_t m_MaxPageSize; // max-page-size=value 243 bool m_bCombReloc : 1; // combreloc, nocombreloc 244 bool m_bNoUndefined : 1; // defs, --no-undefined 245 bool m_bInitFirst : 1; // initfirst 246 bool m_bInterPose : 1; // interpose 247 bool m_bLoadFltr : 1; // loadfltr 248 bool m_bMulDefs : 1; // muldefs 249 bool m_bNoCopyReloc : 1; // nocopyreloc 250 bool m_bNoDefaultLib : 1; // nodefaultlib 251 bool m_bNoDelete : 1; // nodelete 252 bool m_bNoDLOpen : 1; // nodlopen 253 bool m_bNoDump : 1; // nodump 254 bool m_bRelro : 1; // relro, norelro 255 bool m_bNow : 1; // lazy, now 256 bool m_bOrigin : 1; // origin 257 bool m_bTrace : 1; // --trace 258 bool m_Bsymbolic : 1; // --Bsymbolic 259 bool m_Bgroup : 1; 260 bool m_bPIE : 1; 261 bool m_bColor : 1; // --color[=true,false,auto] 262 bool m_bAllowShlibUndefined : 1; // --[no-]allow-shlib-undefined and 263 bool m_bCreateEhFrameHdr : 1; // --eh-frame-hdr 264 }; 265 266 } // namespace of mcld 267 268 #endif 269 270
