ToolChains.cpp revision 198398
1//===--- ToolChains.cpp - ToolChain Implementations ---------------------*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "ToolChains.h" 11 12#include "clang/Driver/Arg.h" 13#include "clang/Driver/ArgList.h" 14#include "clang/Driver/Driver.h" 15#include "clang/Driver/DriverDiagnostic.h" 16#include "clang/Driver/HostInfo.h" 17#include "clang/Driver/Option.h" 18 19#include "llvm/ADT/StringExtras.h" 20#include "llvm/Support/ErrorHandling.h" 21#include "llvm/Support/raw_ostream.h" 22#include "llvm/System/Path.h" 23 24#include <cstdlib> // ::getenv 25 26using namespace clang::driver; 27using namespace clang::driver::toolchains; 28 29/// Darwin - Darwin tool chain for i386 and x86_64. 30 31Darwin::Darwin(const HostInfo &Host, const llvm::Triple& Triple, 32 const unsigned (&_DarwinVersion)[3], bool _IsIPhoneOS) 33 : ToolChain(Host, Triple), 34 IsIPhoneOS(_IsIPhoneOS) 35{ 36 DarwinVersion[0] = _DarwinVersion[0]; 37 DarwinVersion[1] = _DarwinVersion[1]; 38 DarwinVersion[2] = _DarwinVersion[2]; 39 40 llvm::raw_string_ostream(MacosxVersionMin) 41 << "10." << std::max(0, (int)DarwinVersion[0] - 4) << '.' 42 << DarwinVersion[1]; 43 44 // FIXME: Lift default up. 45 IPhoneOSVersionMin = "3.0"; 46} 47 48DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple, 49 const unsigned (&DarwinVersion)[3], 50 const unsigned (&_GCCVersion)[3], bool IsIPhoneOS) 51 : Darwin(Host, Triple, DarwinVersion, IsIPhoneOS) 52{ 53 GCCVersion[0] = _GCCVersion[0]; 54 GCCVersion[1] = _GCCVersion[1]; 55 GCCVersion[2] = _GCCVersion[2]; 56 57 // Set up the tool chain paths to match gcc. 58 ToolChainDir = "i686-apple-darwin"; 59 ToolChainDir += llvm::utostr(DarwinVersion[0]); 60 ToolChainDir += "/"; 61 ToolChainDir += llvm::utostr(GCCVersion[0]); 62 ToolChainDir += '.'; 63 ToolChainDir += llvm::utostr(GCCVersion[1]); 64 ToolChainDir += '.'; 65 ToolChainDir += llvm::utostr(GCCVersion[2]); 66 67 // Try the next major version if that tool chain dir is invalid. 68 std::string Tmp = "/usr/lib/gcc/" + ToolChainDir; 69 if (!llvm::sys::Path(Tmp).exists()) { 70 std::string Next = "i686-apple-darwin"; 71 Next += llvm::utostr(DarwinVersion[0] + 1); 72 Next += "/"; 73 Next += llvm::utostr(GCCVersion[0]); 74 Next += '.'; 75 Next += llvm::utostr(GCCVersion[1]); 76 Next += '.'; 77 Next += llvm::utostr(GCCVersion[2]); 78 79 // Use that if it exists, otherwise hope the user isn't linking. 80 // 81 // FIXME: Drop dependency on gcc's tool chain. 82 Tmp = "/usr/lib/gcc/" + Next; 83 if (llvm::sys::Path(Tmp).exists()) 84 ToolChainDir = Next; 85 } 86 87 std::string Path; 88 if (getArchName() == "x86_64") { 89 Path = getHost().getDriver().Dir; 90 Path += "/../lib/gcc/"; 91 Path += ToolChainDir; 92 Path += "/x86_64"; 93 getFilePaths().push_back(Path); 94 95 Path = "/usr/lib/gcc/"; 96 Path += ToolChainDir; 97 Path += "/x86_64"; 98 getFilePaths().push_back(Path); 99 } 100 101 Path = getHost().getDriver().Dir; 102 Path += "/../lib/gcc/"; 103 Path += ToolChainDir; 104 getFilePaths().push_back(Path); 105 106 Path = "/usr/lib/gcc/"; 107 Path += ToolChainDir; 108 getFilePaths().push_back(Path); 109 110 Path = getHost().getDriver().Dir; 111 Path += "/../libexec/gcc/"; 112 Path += ToolChainDir; 113 getProgramPaths().push_back(Path); 114 115 Path = "/usr/libexec/gcc/"; 116 Path += ToolChainDir; 117 getProgramPaths().push_back(Path); 118 119 Path = getHost().getDriver().Dir; 120 Path += "/../libexec"; 121 getProgramPaths().push_back(Path); 122 123 getProgramPaths().push_back(getHost().getDriver().Dir); 124} 125 126Darwin::~Darwin() { 127 // Free tool implementations. 128 for (llvm::DenseMap<unsigned, Tool*>::iterator 129 it = Tools.begin(), ie = Tools.end(); it != ie; ++it) 130 delete it->second; 131} 132 133Tool &Darwin::SelectTool(const Compilation &C, const JobAction &JA) const { 134 Action::ActionClass Key; 135 if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getTriple())) 136 Key = Action::AnalyzeJobClass; 137 else 138 Key = JA.getKind(); 139 140 Tool *&T = Tools[Key]; 141 if (!T) { 142 switch (Key) { 143 case Action::InputClass: 144 case Action::BindArchClass: 145 assert(0 && "Invalid tool kind."); 146 case Action::PreprocessJobClass: 147 T = new tools::darwin::Preprocess(*this); break; 148 case Action::AnalyzeJobClass: 149 T = new tools::Clang(*this); break; 150 case Action::PrecompileJobClass: 151 case Action::CompileJobClass: 152 T = new tools::darwin::Compile(*this); break; 153 case Action::AssembleJobClass: 154 T = new tools::darwin::Assemble(*this); break; 155 case Action::LinkJobClass: 156 T = new tools::darwin::Link(*this); break; 157 case Action::LipoJobClass: 158 T = new tools::darwin::Lipo(*this); break; 159 } 160 } 161 162 return *T; 163} 164 165void DarwinGCC::AddLinkSearchPathArgs(const ArgList &Args, 166 ArgStringList &CmdArgs) const { 167 // FIXME: Derive these correctly. 168 if (getArchName() == "x86_64") { 169 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir + 170 "/x86_64")); 171 // Intentionally duplicated for (temporary) gcc bug compatibility. 172 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir + 173 "/x86_64")); 174 } 175 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/" + ToolChainDir)); 176 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir)); 177 // Intentionally duplicated for (temporary) gcc bug compatibility. 178 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir)); 179 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir + 180 "/../../../" + ToolChainDir)); 181 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir + 182 "/../../..")); 183} 184 185void DarwinGCC::AddLinkRuntimeLibArgs(const ArgList &Args, 186 ArgStringList &CmdArgs) const { 187 unsigned MacosxVersionMin[3]; 188 getMacosxVersionMin(Args, MacosxVersionMin); 189 190 // Derived from libgcc and lib specs but refactored. 191 if (Args.hasArg(options::OPT_static)) { 192 CmdArgs.push_back("-lgcc_static"); 193 } else { 194 if (Args.hasArg(options::OPT_static_libgcc)) { 195 CmdArgs.push_back("-lgcc_eh"); 196 } else if (Args.hasArg(options::OPT_miphoneos_version_min_EQ)) { 197 // Derived from darwin_iphoneos_libgcc spec. 198 if (isIPhoneOS()) { 199 CmdArgs.push_back("-lgcc_s.1"); 200 } else { 201 CmdArgs.push_back("-lgcc_s.10.5"); 202 } 203 } else if (Args.hasArg(options::OPT_shared_libgcc) || 204 // FIXME: -fexceptions -fno-exceptions means no exceptions 205 Args.hasArg(options::OPT_fexceptions) || 206 Args.hasArg(options::OPT_fgnu_runtime)) { 207 // FIXME: This is probably broken on 10.3? 208 if (isMacosxVersionLT(MacosxVersionMin, 10, 5)) 209 CmdArgs.push_back("-lgcc_s.10.4"); 210 else if (isMacosxVersionLT(MacosxVersionMin, 10, 6)) 211 CmdArgs.push_back("-lgcc_s.10.5"); 212 } else { 213 if (isMacosxVersionLT(MacosxVersionMin, 10, 3, 9)) 214 ; // Do nothing. 215 else if (isMacosxVersionLT(MacosxVersionMin, 10, 5)) 216 CmdArgs.push_back("-lgcc_s.10.4"); 217 else if (isMacosxVersionLT(MacosxVersionMin, 10, 6)) 218 CmdArgs.push_back("-lgcc_s.10.5"); 219 } 220 221 if (isIPhoneOS() || isMacosxVersionLT(MacosxVersionMin, 10, 6)) { 222 CmdArgs.push_back("-lgcc"); 223 CmdArgs.push_back("-lSystem"); 224 } else { 225 CmdArgs.push_back("-lSystem"); 226 CmdArgs.push_back("-lgcc"); 227 } 228 } 229} 230 231DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple, 232 const unsigned (&DarwinVersion)[3], 233 bool IsIPhoneOS) 234 : Darwin(Host, Triple, DarwinVersion, IsIPhoneOS) 235{ 236 // Add the relative libexec dir (for clang-cc). 237 // 238 // FIXME: We should sink clang-cc into libexec/clang/<version>/. 239 std::string Path = getHost().getDriver().Dir; 240 Path += "/../libexec"; 241 getProgramPaths().push_back(Path); 242 243 // We expect 'as', 'ld', etc. to be adjacent to our install dir. 244 getProgramPaths().push_back(getHost().getDriver().Dir); 245} 246 247void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args, 248 ArgStringList &CmdArgs) const { 249 // The Clang toolchain uses explicit paths for internal libraries. 250} 251 252void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args, 253 ArgStringList &CmdArgs) const { 254 // Check for static linking. 255 if (Args.hasArg(options::OPT_static)) { 256 // FIXME: We need to have compiler-rt available (perhaps as 257 // libclang_static.a) to link against. 258 return; 259 } 260 261 // Reject -static-libgcc for now, we can deal with this when and if someone 262 // cares. This is useful in situations where someone wants to statically link 263 // something like libstdc++, and needs its runtime support routines. 264 if (const Arg *A = Args.getLastArg(options::OPT_static_libgcc)) { 265 getHost().getDriver().Diag(clang::diag::err_drv_unsupported_opt) 266 << A->getAsString(Args); 267 return; 268 } 269 270 // Otherwise link libSystem, which should have the support routines. 271 // 272 // FIXME: This is only true for 10.6 and beyond. Legacy support isn't 273 // critical, but it should work... we should just link in the static 274 // compiler-rt library. 275 CmdArgs.push_back("-lSystem"); 276} 277 278void Darwin::getMacosxVersionMin(const ArgList &Args, 279 unsigned (&Res)[3]) const { 280 if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ)) { 281 bool HadExtra; 282 if (!Driver::GetReleaseVersion(A->getValue(Args), Res[0], Res[1], Res[2], 283 HadExtra) || 284 HadExtra) { 285 const Driver &D = getHost().getDriver(); 286 D.Diag(clang::diag::err_drv_invalid_version_number) 287 << A->getAsString(Args); 288 } 289 } else 290 return getMacosxVersion(Res); 291} 292 293DerivedArgList *Darwin::TranslateArgs(InputArgList &Args, 294 const char *BoundArch) const { 295 DerivedArgList *DAL = new DerivedArgList(Args, false); 296 const OptTable &Opts = getHost().getDriver().getOpts(); 297 298 // FIXME: We really want to get out of the tool chain level argument 299 // translation business, as it makes the driver functionality much 300 // more opaque. For now, we follow gcc closely solely for the 301 // purpose of easily achieving feature parity & testability. Once we 302 // have something that works, we should reevaluate each translation 303 // and try to push it down into tool specific logic. 304 305 Arg *OSXVersion = 306 Args.getLastArg(options::OPT_mmacosx_version_min_EQ, false); 307 Arg *iPhoneVersion = 308 Args.getLastArg(options::OPT_miphoneos_version_min_EQ, false); 309 if (OSXVersion && iPhoneVersion) { 310 getHost().getDriver().Diag(clang::diag::err_drv_argument_not_allowed_with) 311 << OSXVersion->getAsString(Args) 312 << iPhoneVersion->getAsString(Args); 313 } else if (!OSXVersion && !iPhoneVersion) { 314 // Chose the default version based on the arch. 315 // 316 // FIXME: Are there iPhone overrides for this? 317 318 if (!isIPhoneOS()) { 319 // Look for MACOSX_DEPLOYMENT_TARGET, otherwise use the version 320 // from the host. 321 const char *Version = ::getenv("MACOSX_DEPLOYMENT_TARGET"); 322 if (!Version) 323 Version = MacosxVersionMin.c_str(); 324 const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ); 325 DAL->append(DAL->MakeJoinedArg(0, O, Version)); 326 } else { 327 const char *Version = IPhoneOSVersionMin.c_str(); 328 const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ); 329 DAL->append(DAL->MakeJoinedArg(0, O, Version)); 330 } 331 } 332 333 for (ArgList::iterator it = Args.begin(), ie = Args.end(); it != ie; ++it) { 334 Arg *A = *it; 335 336 if (A->getOption().matches(options::OPT_Xarch__)) { 337 // FIXME: Canonicalize name. 338 if (getArchName() != A->getValue(Args, 0)) 339 continue; 340 341 // FIXME: The arg is leaked here, and we should have a nicer 342 // interface for this. 343 unsigned Prev, Index = Prev = A->getIndex() + 1; 344 Arg *XarchArg = Opts.ParseOneArg(Args, Index); 345 346 // If the argument parsing failed or more than one argument was 347 // consumed, the -Xarch_ argument's parameter tried to consume 348 // extra arguments. Emit an error and ignore. 349 // 350 // We also want to disallow any options which would alter the 351 // driver behavior; that isn't going to work in our model. We 352 // use isDriverOption() as an approximation, although things 353 // like -O4 are going to slip through. 354 if (!XarchArg || Index > Prev + 1 || 355 XarchArg->getOption().isDriverOption()) { 356 getHost().getDriver().Diag(clang::diag::err_drv_invalid_Xarch_argument) 357 << A->getAsString(Args); 358 continue; 359 } 360 361 XarchArg->setBaseArg(A); 362 A = XarchArg; 363 } 364 365 // Sob. These is strictly gcc compatible for the time being. Apple 366 // gcc translates options twice, which means that self-expanding 367 // options add duplicates. 368 options::ID id = A->getOption().getId(); 369 switch (id) { 370 default: 371 DAL->append(A); 372 break; 373 374 case options::OPT_mkernel: 375 case options::OPT_fapple_kext: 376 DAL->append(A); 377 DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static))); 378 DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static))); 379 break; 380 381 case options::OPT_dependency_file: 382 DAL->append(DAL->MakeSeparateArg(A, Opts.getOption(options::OPT_MF), 383 A->getValue(Args))); 384 break; 385 386 case options::OPT_gfull: 387 DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag))); 388 DAL->append(DAL->MakeFlagArg(A, 389 Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols))); 390 break; 391 392 case options::OPT_gused: 393 DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag))); 394 DAL->append(DAL->MakeFlagArg(A, 395 Opts.getOption(options::OPT_feliminate_unused_debug_symbols))); 396 break; 397 398 case options::OPT_fterminated_vtables: 399 case options::OPT_findirect_virtual_calls: 400 DAL->append(DAL->MakeFlagArg(A, 401 Opts.getOption(options::OPT_fapple_kext))); 402 DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static))); 403 break; 404 405 case options::OPT_shared: 406 DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_dynamiclib))); 407 break; 408 409 case options::OPT_fconstant_cfstrings: 410 DAL->append(DAL->MakeFlagArg(A, 411 Opts.getOption(options::OPT_mconstant_cfstrings))); 412 break; 413 414 case options::OPT_fno_constant_cfstrings: 415 DAL->append(DAL->MakeFlagArg(A, 416 Opts.getOption(options::OPT_mno_constant_cfstrings))); 417 break; 418 419 case options::OPT_Wnonportable_cfstrings: 420 DAL->append(DAL->MakeFlagArg(A, 421 Opts.getOption(options::OPT_mwarn_nonportable_cfstrings))); 422 break; 423 424 case options::OPT_Wno_nonportable_cfstrings: 425 DAL->append(DAL->MakeFlagArg(A, 426 Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings))); 427 break; 428 429 case options::OPT_fpascal_strings: 430 DAL->append(DAL->MakeFlagArg(A, 431 Opts.getOption(options::OPT_mpascal_strings))); 432 break; 433 434 case options::OPT_fno_pascal_strings: 435 DAL->append(DAL->MakeFlagArg(A, 436 Opts.getOption(options::OPT_mno_pascal_strings))); 437 break; 438 } 439 } 440 441 if (getTriple().getArch() == llvm::Triple::x86 || 442 getTriple().getArch() == llvm::Triple::x86_64) 443 if (!Args.hasArg(options::OPT_mtune_EQ, false)) 444 DAL->append(DAL->MakeJoinedArg(0, Opts.getOption(options::OPT_mtune_EQ), 445 "core2")); 446 447 // Add the arch options based on the particular spelling of -arch, to match 448 // how the driver driver works. 449 if (BoundArch) { 450 llvm::StringRef Name = BoundArch; 451 const Option *MCpu = Opts.getOption(options::OPT_mcpu_EQ); 452 const Option *MArch = Opts.getOption(options::OPT_march_EQ); 453 454 // This code must be kept in sync with LLVM's getArchTypeForDarwinArch, 455 // which defines the list of which architectures we accept. 456 if (Name == "ppc") 457 ; 458 else if (Name == "ppc601") 459 DAL->append(DAL->MakeJoinedArg(0, MCpu, "601")); 460 else if (Name == "ppc603") 461 DAL->append(DAL->MakeJoinedArg(0, MCpu, "603")); 462 else if (Name == "ppc604") 463 DAL->append(DAL->MakeJoinedArg(0, MCpu, "604")); 464 else if (Name == "ppc604e") 465 DAL->append(DAL->MakeJoinedArg(0, MCpu, "604e")); 466 else if (Name == "ppc750") 467 DAL->append(DAL->MakeJoinedArg(0, MCpu, "750")); 468 else if (Name == "ppc7400") 469 DAL->append(DAL->MakeJoinedArg(0, MCpu, "7400")); 470 else if (Name == "ppc7450") 471 DAL->append(DAL->MakeJoinedArg(0, MCpu, "7450")); 472 else if (Name == "ppc970") 473 DAL->append(DAL->MakeJoinedArg(0, MCpu, "970")); 474 475 else if (Name == "ppc64") 476 DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64))); 477 478 else if (Name == "i386") 479 ; 480 else if (Name == "i486") 481 DAL->append(DAL->MakeJoinedArg(0, MArch, "i486")); 482 else if (Name == "i586") 483 DAL->append(DAL->MakeJoinedArg(0, MArch, "i586")); 484 else if (Name == "i686") 485 DAL->append(DAL->MakeJoinedArg(0, MArch, "i686")); 486 else if (Name == "pentium") 487 DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium")); 488 else if (Name == "pentium2") 489 DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium2")); 490 else if (Name == "pentpro") 491 DAL->append(DAL->MakeJoinedArg(0, MArch, "pentiumpro")); 492 else if (Name == "pentIIm3") 493 DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium2")); 494 495 else if (Name == "x86_64") 496 DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64))); 497 498 else if (Name == "arm") 499 DAL->append(DAL->MakeJoinedArg(0, MArch, "armv4t")); 500 else if (Name == "armv4t") 501 DAL->append(DAL->MakeJoinedArg(0, MArch, "armv4t")); 502 else if (Name == "armv5") 503 DAL->append(DAL->MakeJoinedArg(0, MArch, "armv5tej")); 504 else if (Name == "xscale") 505 DAL->append(DAL->MakeJoinedArg(0, MArch, "xscale")); 506 else if (Name == "armv6") 507 DAL->append(DAL->MakeJoinedArg(0, MArch, "armv6k")); 508 else if (Name == "armv7") 509 DAL->append(DAL->MakeJoinedArg(0, MArch, "armv7a")); 510 511 else 512 llvm::llvm_unreachable("invalid Darwin arch"); 513 } 514 515 return DAL; 516} 517 518bool Darwin::IsMathErrnoDefault() const { 519 return false; 520} 521 522bool Darwin::IsUnwindTablesDefault() const { 523 // FIXME: Gross; we should probably have some separate target 524 // definition, possibly even reusing the one in clang. 525 return getArchName() == "x86_64"; 526} 527 528const char *Darwin::GetDefaultRelocationModel() const { 529 return "pic"; 530} 531 532const char *Darwin::GetForcedPicModel() const { 533 if (getArchName() == "x86_64") 534 return "pic"; 535 return 0; 536} 537 538/// Generic_GCC - A tool chain using the 'gcc' command to perform 539/// all subcommands; this relies on gcc translating the majority of 540/// command line options. 541 542Generic_GCC::Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple) 543 : ToolChain(Host, Triple) { 544 std::string Path(getHost().getDriver().Dir); 545 Path += "/../libexec"; 546 getProgramPaths().push_back(Path); 547 548 getProgramPaths().push_back(getHost().getDriver().Dir); 549} 550 551Generic_GCC::~Generic_GCC() { 552 // Free tool implementations. 553 for (llvm::DenseMap<unsigned, Tool*>::iterator 554 it = Tools.begin(), ie = Tools.end(); it != ie; ++it) 555 delete it->second; 556} 557 558Tool &Generic_GCC::SelectTool(const Compilation &C, 559 const JobAction &JA) const { 560 Action::ActionClass Key; 561 if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getTriple())) 562 Key = Action::AnalyzeJobClass; 563 else 564 Key = JA.getKind(); 565 566 Tool *&T = Tools[Key]; 567 if (!T) { 568 switch (Key) { 569 case Action::InputClass: 570 case Action::BindArchClass: 571 assert(0 && "Invalid tool kind."); 572 case Action::PreprocessJobClass: 573 T = new tools::gcc::Preprocess(*this); break; 574 case Action::PrecompileJobClass: 575 T = new tools::gcc::Precompile(*this); break; 576 case Action::AnalyzeJobClass: 577 T = new tools::Clang(*this); break; 578 case Action::CompileJobClass: 579 T = new tools::gcc::Compile(*this); break; 580 case Action::AssembleJobClass: 581 T = new tools::gcc::Assemble(*this); break; 582 case Action::LinkJobClass: 583 T = new tools::gcc::Link(*this); break; 584 585 // This is a bit ungeneric, but the only platform using a driver 586 // driver is Darwin. 587 case Action::LipoJobClass: 588 T = new tools::darwin::Lipo(*this); break; 589 } 590 } 591 592 return *T; 593} 594 595bool Generic_GCC::IsMathErrnoDefault() const { 596 return true; 597} 598 599bool Generic_GCC::IsUnwindTablesDefault() const { 600 // FIXME: Gross; we should probably have some separate target 601 // definition, possibly even reusing the one in clang. 602 return getArchName() == "x86_64"; 603} 604 605const char *Generic_GCC::GetDefaultRelocationModel() const { 606 return "static"; 607} 608 609const char *Generic_GCC::GetForcedPicModel() const { 610 return 0; 611} 612 613DerivedArgList *Generic_GCC::TranslateArgs(InputArgList &Args, 614 const char *BoundArch) const { 615 return new DerivedArgList(Args, true); 616} 617 618/// OpenBSD - OpenBSD tool chain which can call as(1) and ld(1) directly. 619 620OpenBSD::OpenBSD(const HostInfo &Host, const llvm::Triple& Triple) 621 : Generic_GCC(Host, Triple) { 622 getFilePaths().push_back(getHost().getDriver().Dir + "/../lib"); 623 getFilePaths().push_back("/usr/lib"); 624} 625 626Tool &OpenBSD::SelectTool(const Compilation &C, const JobAction &JA) const { 627 Action::ActionClass Key; 628 if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getTriple())) 629 Key = Action::AnalyzeJobClass; 630 else 631 Key = JA.getKind(); 632 633 Tool *&T = Tools[Key]; 634 if (!T) { 635 switch (Key) { 636 case Action::AssembleJobClass: 637 T = new tools::openbsd::Assemble(*this); break; 638 case Action::LinkJobClass: 639 T = new tools::openbsd::Link(*this); break; 640 default: 641 T = &Generic_GCC::SelectTool(C, JA); 642 } 643 } 644 645 return *T; 646} 647 648/// FreeBSD - FreeBSD tool chain which can call as(1) and ld(1) directly. 649 650FreeBSD::FreeBSD(const HostInfo &Host, const llvm::Triple& Triple, bool Lib32) 651 : Generic_GCC(Host, Triple) { 652 if (Lib32) { 653 getFilePaths().push_back(getHost().getDriver().Dir + "/../lib32"); 654 getFilePaths().push_back("/usr/lib32"); 655 } else { 656 getFilePaths().push_back(getHost().getDriver().Dir + "/../lib"); 657 getFilePaths().push_back("/usr/lib"); 658 } 659} 660 661Tool &FreeBSD::SelectTool(const Compilation &C, const JobAction &JA) const { 662 Action::ActionClass Key; 663 if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getTriple())) 664 Key = Action::AnalyzeJobClass; 665 else 666 Key = JA.getKind(); 667 668 Tool *&T = Tools[Key]; 669 if (!T) { 670 switch (Key) { 671 case Action::AssembleJobClass: 672 T = new tools::freebsd::Assemble(*this); break; 673 case Action::LinkJobClass: 674 T = new tools::freebsd::Link(*this); break; 675 default: 676 T = &Generic_GCC::SelectTool(C, JA); 677 } 678 } 679 680 return *T; 681} 682 683/// AuroraUX - AuroraUX tool chain which can call as(1) and ld(1) directly. 684 685AuroraUX::AuroraUX(const HostInfo &Host, const llvm::Triple& Triple) 686 : Generic_GCC(Host, Triple) { 687 688 // Path mangling to find libexec 689 std::string Path(getHost().getDriver().Dir); 690 691 Path += "/../libexec"; 692 getProgramPaths().push_back(Path); 693 getProgramPaths().push_back(getHost().getDriver().Dir); 694 695 getFilePaths().push_back(getHost().getDriver().Dir + "/../lib"); 696 getFilePaths().push_back("/usr/lib"); 697 getFilePaths().push_back("/usr/sfw/lib"); 698 getFilePaths().push_back("/opt/gcc4/lib"); 699 getFilePaths().push_back("/opt/gcc4/lib/gcc/i386-pc-solaris2.11/4.2.4"); 700 701} 702 703Tool &AuroraUX::SelectTool(const Compilation &C, const JobAction &JA) const { 704 Action::ActionClass Key; 705 if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getTriple())) 706 Key = Action::AnalyzeJobClass; 707 else 708 Key = JA.getKind(); 709 710 Tool *&T = Tools[Key]; 711 if (!T) { 712 switch (Key) { 713 case Action::AssembleJobClass: 714 T = new tools::auroraux::Assemble(*this); break; 715 case Action::LinkJobClass: 716 T = new tools::auroraux::Link(*this); break; 717 default: 718 T = &Generic_GCC::SelectTool(C, JA); 719 } 720 } 721 722 return *T; 723} 724 725 726/// Linux toolchain (very bare-bones at the moment). 727 728Linux::Linux(const HostInfo &Host, const llvm::Triple& Triple) 729 : Generic_GCC(Host, Triple) { 730 getFilePaths().push_back(getHost().getDriver().Dir + "/../lib/clang/1.0/"); 731 getFilePaths().push_back("/lib/"); 732 getFilePaths().push_back("/usr/lib/"); 733 734 // Depending on the Linux distribution, any combination of lib{,32,64} is 735 // possible. E.g. Debian uses lib and lib32 for mixed i386/x86-64 systems, 736 // openSUSE uses lib and lib64 for the same purpose. 737 getFilePaths().push_back("/lib32/"); 738 getFilePaths().push_back("/usr/lib32/"); 739 getFilePaths().push_back("/lib64/"); 740 getFilePaths().push_back("/usr/lib64/"); 741 742 // FIXME: Figure out some way to get gcc's libdir 743 // (e.g. /usr/lib/gcc/i486-linux-gnu/4.3/ for Ubuntu 32-bit); we need 744 // crtbegin.o/crtend.o/etc., and want static versions of various 745 // libraries. If we had our own crtbegin.o/crtend.o/etc, we could probably 746 // get away with using shared versions in /usr/lib, though. 747 // We could fall back to the approach we used for includes (a massive 748 // list), but that's messy at best. 749} 750 751/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly. 752 753DragonFly::DragonFly(const HostInfo &Host, const llvm::Triple& Triple) 754 : Generic_GCC(Host, Triple) { 755 756 // Path mangling to find libexec 757 std::string Path(getHost().getDriver().Dir); 758 759 Path += "/../libexec"; 760 getProgramPaths().push_back(Path); 761 getProgramPaths().push_back(getHost().getDriver().Dir); 762 763 getFilePaths().push_back(getHost().getDriver().Dir + "/../lib"); 764 getFilePaths().push_back("/usr/lib"); 765 getFilePaths().push_back("/usr/lib/gcc41"); 766} 767 768Tool &DragonFly::SelectTool(const Compilation &C, const JobAction &JA) const { 769 Action::ActionClass Key; 770 if (getHost().getDriver().ShouldUseClangCompiler(C, JA, getTriple())) 771 Key = Action::AnalyzeJobClass; 772 else 773 Key = JA.getKind(); 774 775 Tool *&T = Tools[Key]; 776 if (!T) { 777 switch (Key) { 778 case Action::AssembleJobClass: 779 T = new tools::dragonfly::Assemble(*this); break; 780 case Action::LinkJobClass: 781 T = new tools::dragonfly::Link(*this); break; 782 default: 783 T = &Generic_GCC::SelectTool(C, JA); 784 } 785 } 786 787 return *T; 788} 789