Tools.cpp revision 207619
1//===--- Tools.cpp - Tools 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 "Tools.h" 11 12#include "clang/Driver/Action.h" 13#include "clang/Driver/Arg.h" 14#include "clang/Driver/ArgList.h" 15#include "clang/Driver/Driver.h" 16#include "clang/Driver/DriverDiagnostic.h" 17#include "clang/Driver/Compilation.h" 18#include "clang/Driver/Job.h" 19#include "clang/Driver/HostInfo.h" 20#include "clang/Driver/Option.h" 21#include "clang/Driver/Options.h" 22#include "clang/Driver/ToolChain.h" 23#include "clang/Driver/Util.h" 24 25#include "llvm/ADT/SmallString.h" 26#include "llvm/ADT/StringSwitch.h" 27#include "llvm/ADT/Twine.h" 28#include "llvm/Support/Format.h" 29#include "llvm/Support/raw_ostream.h" 30#include "llvm/System/Host.h" 31#include "llvm/System/Process.h" 32 33#include "InputInfo.h" 34#include "ToolChains.h" 35 36using namespace clang::driver; 37using namespace clang::driver::tools; 38 39/// CheckPreprocessingOptions - Perform some validation of preprocessing 40/// arguments that is shared with gcc. 41static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) { 42 if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC)) 43 if (!Args.hasArg(options::OPT_E)) 44 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 45 << A->getAsString(Args) << "-E"; 46} 47 48/// CheckCodeGenerationOptions - Perform some validation of code generation 49/// arguments that is shared with gcc. 50static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { 51 // In gcc, only ARM checks this, but it seems reasonable to check universally. 52 if (Args.hasArg(options::OPT_static)) 53 if (const Arg *A = Args.getLastArg(options::OPT_dynamic, 54 options::OPT_mdynamic_no_pic)) 55 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 56 << A->getAsString(Args) << "-static"; 57} 58 59// Quote target names for inclusion in GNU Make dependency files. 60// Only the characters '$', '#', ' ', '\t' are quoted. 61static void QuoteTarget(llvm::StringRef Target, 62 llvm::SmallVectorImpl<char> &Res) { 63 for (unsigned i = 0, e = Target.size(); i != e; ++i) { 64 switch (Target[i]) { 65 case ' ': 66 case '\t': 67 // Escape the preceding backslashes 68 for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j) 69 Res.push_back('\\'); 70 71 // Escape the space/tab 72 Res.push_back('\\'); 73 break; 74 case '$': 75 Res.push_back('$'); 76 break; 77 case '#': 78 Res.push_back('\\'); 79 break; 80 default: 81 break; 82 } 83 84 Res.push_back(Target[i]); 85 } 86} 87 88void Clang::AddPreprocessingOptions(const Driver &D, 89 const ArgList &Args, 90 ArgStringList &CmdArgs, 91 const InputInfo &Output, 92 const InputInfoList &Inputs) const { 93 Arg *A; 94 95 CheckPreprocessingOptions(D, Args); 96 97 Args.AddLastArg(CmdArgs, options::OPT_C); 98 Args.AddLastArg(CmdArgs, options::OPT_CC); 99 100 // Handle dependency file generation. 101 if ((A = Args.getLastArg(options::OPT_M)) || 102 (A = Args.getLastArg(options::OPT_MM)) || 103 (A = Args.getLastArg(options::OPT_MD)) || 104 (A = Args.getLastArg(options::OPT_MMD))) { 105 // Determine the output location. 106 const char *DepFile; 107 if (Output.getType() == types::TY_Dependencies) { 108 if (Output.isPipe()) 109 DepFile = "-"; 110 else 111 DepFile = Output.getFilename(); 112 } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) { 113 DepFile = MF->getValue(Args); 114 } else if (A->getOption().matches(options::OPT_M) || 115 A->getOption().matches(options::OPT_MM)) { 116 DepFile = "-"; 117 } else { 118 DepFile = darwin::CC1::getDependencyFileName(Args, Inputs); 119 } 120 CmdArgs.push_back("-dependency-file"); 121 CmdArgs.push_back(DepFile); 122 123 // Add a default target if one wasn't specified. 124 if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) { 125 const char *DepTarget; 126 127 // If user provided -o, that is the dependency target, except 128 // when we are only generating a dependency file. 129 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 130 if (OutputOpt && Output.getType() != types::TY_Dependencies) { 131 DepTarget = OutputOpt->getValue(Args); 132 } else { 133 // Otherwise derive from the base input. 134 // 135 // FIXME: This should use the computed output file location. 136 llvm::sys::Path P(Inputs[0].getBaseInput()); 137 138 P.eraseSuffix(); 139 P.appendSuffix("o"); 140 DepTarget = Args.MakeArgString(P.getLast()); 141 } 142 143 CmdArgs.push_back("-MT"); 144 llvm::SmallString<128> Quoted; 145 QuoteTarget(DepTarget, Quoted); 146 CmdArgs.push_back(Args.MakeArgString(Quoted)); 147 } 148 149 if (A->getOption().matches(options::OPT_M) || 150 A->getOption().matches(options::OPT_MD)) 151 CmdArgs.push_back("-sys-header-deps"); 152 } 153 154 Args.AddLastArg(CmdArgs, options::OPT_MP); 155 156 // Convert all -MQ <target> args to -MT <quoted target> 157 for (arg_iterator it = Args.filtered_begin(options::OPT_MT, 158 options::OPT_MQ), 159 ie = Args.filtered_end(); it != ie; ++it) { 160 161 it->claim(); 162 163 if (it->getOption().matches(options::OPT_MQ)) { 164 CmdArgs.push_back("-MT"); 165 llvm::SmallString<128> Quoted; 166 QuoteTarget(it->getValue(Args), Quoted); 167 CmdArgs.push_back(Args.MakeArgString(Quoted)); 168 169 // -MT flag - no change 170 } else { 171 it->render(Args, CmdArgs); 172 } 173 } 174 175 // Add -i* options, and automatically translate to 176 // -include-pch/-include-pth for transparent PCH support. It's 177 // wonky, but we include looking for .gch so we can support seamless 178 // replacement into a build system already set up to be generating 179 // .gch files. 180 for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group), 181 ie = Args.filtered_end(); it != ie; ++it) { 182 const Arg *A = it; 183 184 if (A->getOption().matches(options::OPT_include)) { 185 // Use PCH if the user requested it, except for C++ (for now). 186 bool UsePCH = D.CCCUsePCH; 187 if (types::isCXX(Inputs[0].getType())) 188 UsePCH = false; 189 190 bool FoundPTH = false; 191 bool FoundPCH = false; 192 llvm::sys::Path P(A->getValue(Args)); 193 if (UsePCH) { 194 P.appendSuffix("pch"); 195 if (P.exists()) 196 FoundPCH = true; 197 else 198 P.eraseSuffix(); 199 } 200 201 if (!FoundPCH) { 202 P.appendSuffix("pth"); 203 if (P.exists()) 204 FoundPTH = true; 205 else 206 P.eraseSuffix(); 207 } 208 209 if (!FoundPCH && !FoundPTH) { 210 P.appendSuffix("gch"); 211 if (P.exists()) { 212 FoundPCH = UsePCH; 213 FoundPTH = !UsePCH; 214 } 215 else 216 P.eraseSuffix(); 217 } 218 219 if (FoundPCH || FoundPTH) { 220 A->claim(); 221 if (UsePCH) 222 CmdArgs.push_back("-include-pch"); 223 else 224 CmdArgs.push_back("-include-pth"); 225 CmdArgs.push_back(Args.MakeArgString(P.str())); 226 continue; 227 } 228 } 229 230 // Not translated, render as usual. 231 A->claim(); 232 A->render(Args, CmdArgs); 233 } 234 235 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U); 236 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 237 238 // Add -Wp, and -Xassembler if using the preprocessor. 239 240 // FIXME: There is a very unfortunate problem here, some troubled 241 // souls abuse -Wp, to pass preprocessor options in gcc syntax. To 242 // really support that we would have to parse and then translate 243 // those options. :( 244 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 245 options::OPT_Xpreprocessor); 246 247 // -I- is a deprecated GCC feature, reject it. 248 if (Arg *A = Args.getLastArg(options::OPT_I_)) 249 D.Diag(clang::diag::err_drv_I_dash_not_supported) << A->getAsString(Args); 250} 251 252/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting. 253// 254// FIXME: tblgen this. 255static const char *getARMTargetCPU(const ArgList &Args) { 256 // FIXME: Warn on inconsistent use of -mcpu and -march. 257 258 // If we have -mcpu=, use that. 259 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) 260 return A->getValue(Args); 261 262 // Otherwise, if we have -march= choose the base CPU for that arch. 263 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 264 llvm::StringRef MArch = A->getValue(Args); 265 266 if (MArch == "armv2" || MArch == "armv2a") 267 return "arm2"; 268 if (MArch == "armv3") 269 return "arm6"; 270 if (MArch == "armv3m") 271 return "arm7m"; 272 if (MArch == "armv4" || MArch == "armv4t") 273 return "arm7tdmi"; 274 if (MArch == "armv5" || MArch == "armv5t") 275 return "arm10tdmi"; 276 if (MArch == "armv5e" || MArch == "armv5te") 277 return "arm1026ejs"; 278 if (MArch == "armv5tej") 279 return "arm926ej-s"; 280 if (MArch == "armv6" || MArch == "armv6k") 281 return "arm1136jf-s"; 282 if (MArch == "armv6j") 283 return "arm1136j-s"; 284 if (MArch == "armv6z" || MArch == "armv6zk") 285 return "arm1176jzf-s"; 286 if (MArch == "armv6t2") 287 return "arm1156t2-s"; 288 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") 289 return "cortex-a8"; 290 if (MArch == "armv7r" || MArch == "armv7-r") 291 return "cortex-r4"; 292 if (MArch == "armv7m" || MArch == "armv7-m") 293 return "cortex-m3"; 294 if (MArch == "ep9312") 295 return "ep9312"; 296 if (MArch == "iwmmxt") 297 return "iwmmxt"; 298 if (MArch == "xscale") 299 return "xscale"; 300 } 301 302 // Otherwise return the most base CPU LLVM supports. 303 return "arm7tdmi"; 304} 305 306/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular 307/// CPU. 308// 309// FIXME: This is redundant with -mcpu, why does LLVM use this. 310// FIXME: tblgen this, or kill it! 311static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) { 312 if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || 313 CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || 314 CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || 315 CPU == "arm940t" || CPU == "ep9312") 316 return "v4t"; 317 318 if (CPU == "arm10tdmi" || CPU == "arm1020t") 319 return "v5"; 320 321 if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || 322 CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || 323 CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || 324 CPU == "iwmmxt") 325 return "v5e"; 326 327 if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || 328 CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") 329 return "v6"; 330 331 if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") 332 return "v6t2"; 333 334 if (CPU == "cortex-a8" || CPU == "cortex-a9") 335 return "v7"; 336 337 return ""; 338} 339 340/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which 341/// may depend on command line arguments. 342static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) { 343 switch (TC.getTriple().getArch()) { 344 default: 345 return TC.getTripleString(); 346 347 case llvm::Triple::arm: 348 case llvm::Triple::thumb: { 349 // FIXME: Factor into subclasses. 350 llvm::Triple Triple = TC.getTriple(); 351 352 // Thumb2 is the default for V7 on Darwin. 353 // 354 // FIXME: Thumb should just be another -target-feaure, not in the triple. 355 llvm::StringRef Suffix = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 356 bool ThumbDefault = 357 (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin); 358 std::string ArchName = "arm"; 359 if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) 360 ArchName = "thumb"; 361 Triple.setArchName(ArchName + Suffix.str()); 362 363 return Triple.getTriple(); 364 } 365 } 366} 367 368// FIXME: Move to target hook. 369static bool isSignedCharDefault(const llvm::Triple &Triple) { 370 switch (Triple.getArch()) { 371 default: 372 return true; 373 374 case llvm::Triple::ppc: 375 case llvm::Triple::ppc64: 376 if (Triple.getOS() == llvm::Triple::Darwin) 377 return true; 378 return false; 379 380 case llvm::Triple::systemz: 381 return false; 382 } 383} 384 385void Clang::AddARMTargetArgs(const ArgList &Args, 386 ArgStringList &CmdArgs) const { 387 const Driver &D = getToolChain().getDriver(); 388 389 // Select the ABI to use. 390 // 391 // FIXME: Support -meabi. 392 const char *ABIName = 0; 393 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 394 ABIName = A->getValue(Args); 395 } else { 396 // Select the default based on the platform. 397 switch (getToolChain().getTriple().getOS()) { 398 // FIXME: Is this right for non-Darwin and non-Linux? 399 default: 400 ABIName = "aapcs"; 401 break; 402 403 case llvm::Triple::Darwin: 404 ABIName = "apcs-gnu"; 405 break; 406 407 case llvm::Triple::Linux: 408 ABIName = "aapcs-linux"; 409 break; 410 } 411 } 412 CmdArgs.push_back("-target-abi"); 413 CmdArgs.push_back(ABIName); 414 415 // Set the CPU based on -march= and -mcpu=. 416 CmdArgs.push_back("-target-cpu"); 417 CmdArgs.push_back(getARMTargetCPU(Args)); 418 419 // Select the float ABI as determined by -msoft-float, -mhard-float, and 420 // -mfloat-abi=. 421 llvm::StringRef FloatABI; 422 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 423 options::OPT_mhard_float, 424 options::OPT_mfloat_abi_EQ)) { 425 if (A->getOption().matches(options::OPT_msoft_float)) 426 FloatABI = "soft"; 427 else if (A->getOption().matches(options::OPT_mhard_float)) 428 FloatABI = "hard"; 429 else { 430 FloatABI = A->getValue(Args); 431 if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") { 432 D.Diag(clang::diag::err_drv_invalid_mfloat_abi) 433 << A->getAsString(Args); 434 FloatABI = "soft"; 435 } 436 } 437 } 438 439 // If unspecified, choose the default based on the platform. 440 if (FloatABI.empty()) { 441 // FIXME: This is wrong for non-Darwin, we don't have a mechanism yet for 442 // distinguishing things like linux-eabi vs linux-elf. 443 switch (getToolChain().getTriple().getOS()) { 444 case llvm::Triple::Darwin: { 445 // Darwin defaults to "softfp" for v6 and v7. 446 // 447 // FIXME: Factor out an ARM class so we can cache the arch somewhere. 448 llvm::StringRef ArchName = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 449 if (ArchName.startswith("v6") || ArchName.startswith("v7")) 450 FloatABI = "softfp"; 451 else 452 FloatABI = "soft"; 453 break; 454 } 455 456 default: 457 // Assume "soft", but warn the user we are guessing. 458 FloatABI = "soft"; 459 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 460 break; 461 } 462 } 463 464 if (FloatABI == "soft") { 465 // Floating point operations and argument passing are soft. 466 // 467 // FIXME: This changes CPP defines, we need -target-soft-float. 468 CmdArgs.push_back("-msoft-float"); 469 CmdArgs.push_back("-mfloat-abi"); 470 CmdArgs.push_back("soft"); 471 } else if (FloatABI == "softfp") { 472 // Floating point operations are hard, but argument passing is soft. 473 CmdArgs.push_back("-mfloat-abi"); 474 CmdArgs.push_back("soft"); 475 } else { 476 // Floating point operations and argument passing are hard. 477 assert(FloatABI == "hard" && "Invalid float abi!"); 478 CmdArgs.push_back("-mfloat-abi"); 479 CmdArgs.push_back("hard"); 480 } 481 482 // Set appropriate target features for floating point mode. 483 // 484 // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these 485 // yet (it uses the -mfloat-abi and -msoft-float options above), and it is 486 // stripped out by the ARM target. 487 488 // Use software floating point operations? 489 if (FloatABI == "soft") { 490 CmdArgs.push_back("-target-feature"); 491 CmdArgs.push_back("+soft-float"); 492 } 493 494 // Use software floating point argument passing? 495 if (FloatABI != "hard") { 496 CmdArgs.push_back("-target-feature"); 497 CmdArgs.push_back("+soft-float-abi"); 498 } 499 500 // Honor -mfpu=. 501 // 502 // FIXME: Centralize feature selection, defaulting shouldn't be also in the 503 // frontend target. 504 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) { 505 llvm::StringRef FPU = A->getValue(Args); 506 507 // Set the target features based on the FPU. 508 if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") { 509 // Disable any default FPU support. 510 CmdArgs.push_back("-target-feature"); 511 CmdArgs.push_back("-vfp2"); 512 CmdArgs.push_back("-target-feature"); 513 CmdArgs.push_back("-vfp3"); 514 CmdArgs.push_back("-target-feature"); 515 CmdArgs.push_back("-neon"); 516 } else if (FPU == "vfp") { 517 CmdArgs.push_back("-target-feature"); 518 CmdArgs.push_back("+vfp2"); 519 } else if (FPU == "vfp3") { 520 CmdArgs.push_back("-target-feature"); 521 CmdArgs.push_back("+vfp3"); 522 } else if (FPU == "neon") { 523 CmdArgs.push_back("-target-feature"); 524 CmdArgs.push_back("+neon"); 525 } else 526 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 527 } 528} 529 530void Clang::AddMIPSTargetArgs(const ArgList &Args, 531 ArgStringList &CmdArgs) const { 532 const Driver &D = getToolChain().getDriver(); 533 534 // Select the ABI to use. 535 const char *ABIName = 0; 536 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 537 ABIName = A->getValue(Args); 538 } else { 539 ABIName = "o32"; 540 } 541 542 CmdArgs.push_back("-target-abi"); 543 CmdArgs.push_back(ABIName); 544 545 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 546 llvm::StringRef MArch = A->getValue(Args); 547 CmdArgs.push_back("-target-cpu"); 548 549 if ((MArch == "r2000") || (MArch == "r3000")) 550 CmdArgs.push_back("mips1"); 551 else if (MArch == "r6000") 552 CmdArgs.push_back("mips2"); 553 else 554 CmdArgs.push_back(MArch.str().c_str()); 555 } 556 557 // Select the float ABI as determined by -msoft-float, -mhard-float, and 558 llvm::StringRef FloatABI; 559 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 560 options::OPT_mhard_float)) { 561 if (A->getOption().matches(options::OPT_msoft_float)) 562 FloatABI = "soft"; 563 else if (A->getOption().matches(options::OPT_mhard_float)) 564 FloatABI = "hard"; 565 } 566 567 // If unspecified, choose the default based on the platform. 568 if (FloatABI.empty()) { 569 // Assume "soft", but warn the user we are guessing. 570 FloatABI = "soft"; 571 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 572 } 573 574 if (FloatABI == "soft") { 575 // Floating point operations and argument passing are soft. 576 // 577 // FIXME: This changes CPP defines, we need -target-soft-float. 578 CmdArgs.push_back("-msoft-float"); 579 } else { 580 assert(FloatABI == "hard" && "Invalid float abi!"); 581 CmdArgs.push_back("-mhard-float"); 582 } 583} 584 585void Clang::AddX86TargetArgs(const ArgList &Args, 586 ArgStringList &CmdArgs) const { 587 if (!Args.hasFlag(options::OPT_mred_zone, 588 options::OPT_mno_red_zone, 589 true) || 590 Args.hasArg(options::OPT_mkernel) || 591 Args.hasArg(options::OPT_fapple_kext)) 592 CmdArgs.push_back("-disable-red-zone"); 593 594 if (Args.hasFlag(options::OPT_msoft_float, 595 options::OPT_mno_soft_float, 596 false)) 597 CmdArgs.push_back("-no-implicit-float"); 598 599 const char *CPUName = 0; 600 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 601 if (llvm::StringRef(A->getValue(Args)) == "native") { 602 // FIXME: Reject attempts to use -march=native unless the target matches 603 // the host. 604 // 605 // FIXME: We should also incorporate the detected target features for use 606 // with -native. 607 std::string CPU = llvm::sys::getHostCPUName(); 608 if (!CPU.empty()) 609 CPUName = Args.MakeArgString(CPU); 610 } else 611 CPUName = A->getValue(Args); 612 } 613 614 // Select the default CPU if none was given (or detection failed). 615 if (!CPUName) { 616 // FIXME: Need target hooks. 617 if (getToolChain().getOS().startswith("darwin")) { 618 if (getToolChain().getArchName() == "x86_64") 619 CPUName = "core2"; 620 else if (getToolChain().getArchName() == "i386") 621 CPUName = "yonah"; 622 } else if (getToolChain().getOS().startswith("haiku")) { 623 if (getToolChain().getArchName() == "x86_64") 624 CPUName = "x86-64"; 625 else if (getToolChain().getArchName() == "i386") 626 CPUName = "i586"; 627 } else { 628 if (getToolChain().getArchName() == "x86_64") 629 CPUName = "x86-64"; 630 else if (getToolChain().getArchName() == "i386") 631 CPUName = "pentium4"; 632 } 633 } 634 635 if (CPUName) { 636 CmdArgs.push_back("-target-cpu"); 637 CmdArgs.push_back(CPUName); 638 } 639 640 for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group), 641 ie = Args.filtered_end(); it != ie; ++it) { 642 llvm::StringRef Name = it->getOption().getName(); 643 it->claim(); 644 645 // Skip over "-m". 646 assert(Name.startswith("-m") && "Invalid feature name."); 647 Name = Name.substr(2); 648 649 bool IsNegative = Name.startswith("no-"); 650 if (IsNegative) 651 Name = Name.substr(3); 652 653 CmdArgs.push_back("-target-feature"); 654 CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); 655 } 656} 657 658static bool needsExceptions(const ArgList &Args, types::ID InputType, 659 const llvm::Triple &Triple) { 660 if (Arg *A = Args.getLastArg(options::OPT_fexceptions, 661 options::OPT_fno_exceptions)) { 662 if (A->getOption().matches(options::OPT_fexceptions)) 663 return true; 664 else 665 return false; 666 } 667 switch (InputType) { 668 case types::TY_CXX: case types::TY_CXXHeader: 669 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 670 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 671 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 672 return true; 673 674 case types::TY_ObjC: case types::TY_ObjCHeader: 675 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 676 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi)) 677 return true; 678 if (Triple.getOS() != llvm::Triple::Darwin) 679 return false; 680 return (Triple.getDarwinMajorNumber() >= 9 && 681 Triple.getArch() == llvm::Triple::x86_64); 682 683 default: 684 return false; 685 } 686} 687 688/// getEffectiveClangTriple - Get the "effective" target triple, which is the 689/// triple for the target but with the OS version potentially modified for 690/// Darwin's -mmacosx-version-min. 691static std::string getEffectiveClangTriple(const Driver &D, 692 const ToolChain &TC, 693 const ArgList &Args) { 694 llvm::Triple Triple(getLLVMTriple(TC, Args)); 695 696 // Handle -mmacosx-version-min and -miphoneos-version-min. 697 if (Triple.getOS() != llvm::Triple::Darwin) { 698 // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on 699 // non-Darwin. 700 if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, 701 options::OPT_miphoneos_version_min_EQ)) 702 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 703 } else { 704 const toolchains::Darwin &DarwinTC( 705 reinterpret_cast<const toolchains::Darwin&>(TC)); 706 707 // If the target isn't initialized (e.g., an unknown Darwin platform, return 708 // the default triple). 709 if (!DarwinTC.isTargetInitialized()) 710 return Triple.getTriple(); 711 712 unsigned Version[3]; 713 DarwinTC.getTargetVersion(Version); 714 715 // Mangle the target version into the OS triple component. For historical 716 // reasons that make little sense, the version passed here is the "darwin" 717 // version, which drops the 10 and offsets by 4. See inverse code when 718 // setting the OS version preprocessor define. 719 if (!DarwinTC.isTargetIPhoneOS()) { 720 Version[0] = Version[1] + 4; 721 Version[1] = Version[2]; 722 Version[2] = 0; 723 } else { 724 // Use the environment to communicate that we are targetting iPhoneOS. 725 Triple.setEnvironmentName("iphoneos"); 726 } 727 728 llvm::SmallString<16> Str; 729 llvm::raw_svector_ostream(Str) << "darwin" << Version[0] 730 << "." << Version[1] << "." << Version[2]; 731 Triple.setOSName(Str.str()); 732 } 733 734 return Triple.getTriple(); 735} 736 737void Clang::ConstructJob(Compilation &C, const JobAction &JA, 738 Job &Dest, 739 const InputInfo &Output, 740 const InputInfoList &Inputs, 741 const ArgList &Args, 742 const char *LinkingOutput) const { 743 bool KernelOrKext = Args.hasArg(options::OPT_mkernel, 744 options::OPT_fapple_kext); 745 const Driver &D = getToolChain().getDriver(); 746 ArgStringList CmdArgs; 747 748 assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); 749 750 // Invoke ourselves in -cc1 mode. 751 // 752 // FIXME: Implement custom jobs for internal actions. 753 CmdArgs.push_back("-cc1"); 754 755 // Add the "effective" target triple. 756 CmdArgs.push_back("-triple"); 757 std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args); 758 CmdArgs.push_back(Args.MakeArgString(TripleStr)); 759 760 // Select the appropriate action. 761 if (isa<AnalyzeJobAction>(JA)) { 762 assert(JA.getType() == types::TY_Plist && "Invalid output type."); 763 CmdArgs.push_back("-analyze"); 764 } else if (isa<PreprocessJobAction>(JA)) { 765 if (Output.getType() == types::TY_Dependencies) 766 CmdArgs.push_back("-Eonly"); 767 else 768 CmdArgs.push_back("-E"); 769 } else if (isa<AssembleJobAction>(JA)) { 770 CmdArgs.push_back("-emit-obj"); 771 } else if (isa<PrecompileJobAction>(JA)) { 772 // Use PCH if the user requested it, except for C++ (for now). 773 bool UsePCH = D.CCCUsePCH; 774 if (types::isCXX(Inputs[0].getType())) 775 UsePCH = false; 776 777 if (UsePCH) 778 CmdArgs.push_back("-emit-pch"); 779 else 780 CmdArgs.push_back("-emit-pth"); 781 } else { 782 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool."); 783 784 if (JA.getType() == types::TY_Nothing) { 785 CmdArgs.push_back("-fsyntax-only"); 786 } else if (JA.getType() == types::TY_LLVMAsm) { 787 CmdArgs.push_back("-emit-llvm"); 788 } else if (JA.getType() == types::TY_LLVMBC) { 789 CmdArgs.push_back("-emit-llvm-bc"); 790 } else if (JA.getType() == types::TY_PP_Asm) { 791 CmdArgs.push_back("-S"); 792 } else if (JA.getType() == types::TY_AST) { 793 CmdArgs.push_back("-emit-pch"); 794 } else if (JA.getType() == types::TY_RewrittenObjC) { 795 CmdArgs.push_back("-rewrite-objc"); 796 } else { 797 assert(JA.getType() == types::TY_PP_Asm && 798 "Unexpected output type!"); 799 } 800 } 801 802 // The make clang go fast button. 803 CmdArgs.push_back("-disable-free"); 804 805 // Disable the verification pass in -asserts builds. 806#ifdef NDEBUG 807 CmdArgs.push_back("-disable-llvm-verifier"); 808#endif 809 810 // Set the main file name, so that debug info works even with 811 // -save-temps. 812 CmdArgs.push_back("-main-file-name"); 813 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 814 815 // Some flags which affect the language (via preprocessor 816 // defines). See darwin::CC1::AddCPPArgs. 817 if (Args.hasArg(options::OPT_static)) 818 CmdArgs.push_back("-static-define"); 819 820 if (isa<AnalyzeJobAction>(JA)) { 821 // Enable region store model by default. 822 CmdArgs.push_back("-analyzer-store=region"); 823 824 // Treat blocks as analysis entry points. 825 CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks"); 826 827 // Add default argument set. 828 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { 829 CmdArgs.push_back("-analyzer-check-dead-stores"); 830 // Do not enable the security-syntatic check since it 831 // it needs to be refined (known issues). 832 // CmdArgs.push_back("-analyzer-check-security-syntactic"); 833 CmdArgs.push_back("-analyzer-check-objc-mem"); 834 CmdArgs.push_back("-analyzer-eagerly-assume"); 835 CmdArgs.push_back("-analyzer-check-objc-methodsigs"); 836 // Do not enable the missing -dealloc check. 837 // '-analyzer-check-objc-missing-dealloc', 838 CmdArgs.push_back("-analyzer-check-objc-unused-ivars"); 839 } 840 841 // Set the output format. The default is plist, for (lame) historical 842 // reasons. 843 CmdArgs.push_back("-analyzer-output"); 844 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 845 CmdArgs.push_back(A->getValue(Args)); 846 else 847 CmdArgs.push_back("plist"); 848 849 // Disable the presentation of standard compiler warnings when 850 // using --analyze. We only want to show static analyzer diagnostics 851 // or frontend errors. 852 CmdArgs.push_back("-w"); 853 854 // Add -Xanalyzer arguments when running as analyzer. 855 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 856 } 857 858 CheckCodeGenerationOptions(D, Args); 859 860 // Perform argument translation for LLVM backend. This 861 // takes some care in reconciling with llvm-gcc. The 862 // issue is that llvm-gcc translates these options based on 863 // the values in cc1, whereas we are processing based on 864 // the driver arguments. 865 866 // This comes from the default translation the driver + cc1 867 // would do to enable flag_pic. 868 // 869 // FIXME: Centralize this code. 870 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || 871 Args.hasArg(options::OPT_fpic) || 872 Args.hasArg(options::OPT_fPIE) || 873 Args.hasArg(options::OPT_fpie)); 874 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || 875 Args.hasArg(options::OPT_static)); 876 const char *Model = getToolChain().GetForcedPicModel(); 877 if (!Model) { 878 if (Args.hasArg(options::OPT_mdynamic_no_pic)) 879 Model = "dynamic-no-pic"; 880 else if (PICDisabled) 881 Model = "static"; 882 else if (PICEnabled) 883 Model = "pic"; 884 else 885 Model = getToolChain().GetDefaultRelocationModel(); 886 } 887 if (llvm::StringRef(Model) != "pic") { 888 CmdArgs.push_back("-mrelocation-model"); 889 CmdArgs.push_back(Model); 890 } 891 892 // Infer the __PIC__ value. 893 // 894 // FIXME: This isn't quite right on Darwin, which always sets 895 // __PIC__=2. 896 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { 897 CmdArgs.push_back("-pic-level"); 898 CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1"); 899 } 900 if (!Args.hasFlag(options::OPT_fmerge_all_constants, 901 options::OPT_fno_merge_all_constants)) 902 CmdArgs.push_back("-no-merge-all-constants"); 903 904 // LLVM Code Generator Options. 905 906 // FIXME: Set --enable-unsafe-fp-math. 907 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, 908 options::OPT_fomit_frame_pointer)) 909 CmdArgs.push_back("-mdisable-fp-elim"); 910 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 911 options::OPT_fno_zero_initialized_in_bss)) 912 CmdArgs.push_back("-mno-zero-initialized-in-bss"); 913 if (Args.hasArg(options::OPT_dA) || Args.hasArg(options::OPT_fverbose_asm)) 914 CmdArgs.push_back("-masm-verbose"); 915 if (Args.hasArg(options::OPT_fdebug_pass_structure)) { 916 CmdArgs.push_back("-mdebug-pass"); 917 CmdArgs.push_back("Structure"); 918 } 919 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { 920 CmdArgs.push_back("-mdebug-pass"); 921 CmdArgs.push_back("Arguments"); 922 } 923 924 // Enable -mconstructor-aliases except on darwin, where we have to 925 // work around a linker bug; see <rdar://problem/7651567>. 926 if (getToolChain().getTriple().getOS() != llvm::Triple::Darwin) 927 CmdArgs.push_back("-mconstructor-aliases"); 928 929 // This is a coarse approximation of what llvm-gcc actually does, both 930 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 931 // complicated ways. 932 bool AsynchronousUnwindTables = 933 Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 934 options::OPT_fno_asynchronous_unwind_tables, 935 getToolChain().IsUnwindTablesDefault() && 936 !KernelOrKext); 937 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, 938 AsynchronousUnwindTables)) 939 CmdArgs.push_back("-munwind-tables"); 940 941 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 942 CmdArgs.push_back("-mlimit-float-precision"); 943 CmdArgs.push_back(A->getValue(Args)); 944 } 945 946 // FIXME: Handle -mtune=. 947 (void) Args.hasArg(options::OPT_mtune_EQ); 948 949 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 950 CmdArgs.push_back("-mcode-model"); 951 CmdArgs.push_back(A->getValue(Args)); 952 } 953 954 // Add target specific cpu and features flags. 955 switch(getToolChain().getTriple().getArch()) { 956 default: 957 break; 958 959 case llvm::Triple::arm: 960 case llvm::Triple::thumb: 961 AddARMTargetArgs(Args, CmdArgs); 962 break; 963 964 case llvm::Triple::mips: 965 case llvm::Triple::mipsel: 966 AddMIPSTargetArgs(Args, CmdArgs); 967 break; 968 969 case llvm::Triple::x86: 970 case llvm::Triple::x86_64: 971 AddX86TargetArgs(Args, CmdArgs); 972 break; 973 } 974 975 // -fno-math-errno is default. 976 if (Args.hasFlag(options::OPT_fmath_errno, 977 options::OPT_fno_math_errno, 978 false)) 979 CmdArgs.push_back("-fmath-errno"); 980 981 Arg *Unsupported; 982 if ((Unsupported = Args.getLastArg(options::OPT_MG)) || 983 (Unsupported = Args.getLastArg(options::OPT_iframework)) || 984 (Unsupported = Args.getLastArg(options::OPT_fshort_enums))) 985 D.Diag(clang::diag::err_drv_clang_unsupported) 986 << Unsupported->getOption().getName(); 987 988 Args.AddAllArgs(CmdArgs, options::OPT_v); 989 Args.AddLastArg(CmdArgs, options::OPT_P); 990 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 991 992 // Special case debug options to only pass -g to clang. This is 993 // wrong. 994 Args.ClaimAllArgs(options::OPT_g_Group); 995 Arg *Garg = Args.getLastArg(options::OPT_g_Group); 996 if (Garg && Garg != Args.getLastArg(options::OPT_g0)) 997 CmdArgs.push_back("-g"); 998 999 Args.AddLastArg(CmdArgs, options::OPT_nostdinc); 1000 Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); 1001 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); 1002 1003 // Pass the path to compiler resource files. 1004 CmdArgs.push_back("-resource-dir"); 1005 CmdArgs.push_back(D.ResourceDir.c_str()); 1006 1007 // Add preprocessing options like -I, -D, etc. if we are using the 1008 // preprocessor. 1009 // 1010 // FIXME: Support -fpreprocessed 1011 types::ID InputType = Inputs[0].getType(); 1012 if (types::getPreprocessedType(InputType) != types::TY_INVALID) 1013 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); 1014 1015 // Manually translate -O to -O2 and -O4 to -O3; let clang reject 1016 // others. 1017 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 1018 if (A->getOption().matches(options::OPT_O4)) 1019 CmdArgs.push_back("-O3"); 1020 else if (A->getValue(Args)[0] == '\0') 1021 CmdArgs.push_back("-O2"); 1022 else 1023 A->render(Args, CmdArgs); 1024 } 1025 1026 Args.AddAllArgs(CmdArgs, options::OPT_W_Group); 1027 Args.AddLastArg(CmdArgs, options::OPT_pedantic); 1028 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); 1029 Args.AddLastArg(CmdArgs, options::OPT_w); 1030 1031 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 1032 // (-ansi is equivalent to -std=c89). 1033 // 1034 // If a std is supplied, only add -trigraphs if it follows the 1035 // option. 1036 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1037 if (Std->getOption().matches(options::OPT_ansi)) 1038 if (types::isCXX(InputType)) 1039 CmdArgs.push_back("-std=c++98"); 1040 else 1041 CmdArgs.push_back("-std=c89"); 1042 else 1043 Std->render(Args, CmdArgs); 1044 1045 if (Arg *A = Args.getLastArg(options::OPT_trigraphs)) 1046 if (A->getIndex() > Std->getIndex()) 1047 A->render(Args, CmdArgs); 1048 } else { 1049 // Honor -std-default. 1050 // 1051 // FIXME: Clang doesn't correctly handle -std= when the input language 1052 // doesn't match. For the time being just ignore this for C++ inputs; 1053 // eventually we want to do all the standard defaulting here instead of 1054 // splitting it between the driver and clang -cc1. 1055 if (!types::isCXX(InputType)) 1056 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1057 "-std=", /*Joined=*/true); 1058 Args.AddLastArg(CmdArgs, options::OPT_trigraphs); 1059 } 1060 1061 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { 1062 CmdArgs.push_back("-ftemplate-depth"); 1063 CmdArgs.push_back(A->getValue(Args)); 1064 } 1065 1066 if (Args.hasArg(options::OPT__relocatable_pch)) 1067 CmdArgs.push_back("-relocatable-pch"); 1068 1069 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 1070 CmdArgs.push_back("-fconstant-string-class"); 1071 CmdArgs.push_back(A->getValue(Args)); 1072 } 1073 1074 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { 1075 CmdArgs.push_back("-ftabstop"); 1076 CmdArgs.push_back(A->getValue(Args)); 1077 } 1078 1079 CmdArgs.push_back("-ferror-limit"); 1080 if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ)) 1081 CmdArgs.push_back(A->getValue(Args)); 1082 else 1083 CmdArgs.push_back("19"); 1084 1085 CmdArgs.push_back("-ftemplate-backtrace-limit"); 1086 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) 1087 CmdArgs.push_back(A->getValue(Args)); 1088 else 1089 CmdArgs.push_back("10"); 1090 1091 // Pass -fmessage-length=. 1092 CmdArgs.push_back("-fmessage-length"); 1093 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { 1094 CmdArgs.push_back(A->getValue(Args)); 1095 } else { 1096 // If -fmessage-length=N was not specified, determine whether this is a 1097 // terminal and, if so, implicitly define -fmessage-length appropriately. 1098 unsigned N = llvm::sys::Process::StandardErrColumns(); 1099 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(N))); 1100 } 1101 1102 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) { 1103 CmdArgs.push_back("-fvisibility"); 1104 CmdArgs.push_back(A->getValue(Args)); 1105 } 1106 1107 // -fhosted is default. 1108 if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding, 1109 options::OPT_fhosted, 1110 false)) 1111 CmdArgs.push_back("-ffreestanding"); 1112 1113 // Forward -f (flag) options which we can pass directly. 1114 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior); 1115 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 1116 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 1117 1118 // -flax-vector-conversions is default. 1119 if (!Args.hasFlag(options::OPT_flax_vector_conversions, 1120 options::OPT_fno_lax_vector_conversions)) 1121 CmdArgs.push_back("-fno-lax-vector-conversions"); 1122 1123 // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only 1124 // takes precedence. 1125 const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only); 1126 if (!GCArg) 1127 GCArg = Args.getLastArg(options::OPT_fobjc_gc); 1128 if (GCArg) { 1129 if (getToolChain().SupportsObjCGC()) { 1130 GCArg->render(Args, CmdArgs); 1131 } else { 1132 // FIXME: We should move this to a hard error. 1133 D.Diag(clang::diag::warn_drv_objc_gc_unsupported) 1134 << GCArg->getAsString(Args); 1135 } 1136 } 1137 1138 Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics); 1139 Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); 1140 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 1141 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 1142 Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 1143 Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 1144 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 1145 1146 Args.AddLastArg(CmdArgs, options::OPT_pthread); 1147 1148 // -stack-protector=0 is default. 1149 unsigned StackProtectorLevel = 0; 1150 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 1151 options::OPT_fstack_protector_all, 1152 options::OPT_fstack_protector)) { 1153 if (A->getOption().matches(options::OPT_fstack_protector)) 1154 StackProtectorLevel = 1; 1155 else if (A->getOption().matches(options::OPT_fstack_protector_all)) 1156 StackProtectorLevel = 2; 1157 } else 1158 StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel(); 1159 if (StackProtectorLevel) { 1160 CmdArgs.push_back("-stack-protector"); 1161 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); 1162 } 1163 1164 // Forward -f options with positive and negative forms; we translate 1165 // these by hand. 1166 1167 // -fbuiltin is default. 1168 if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) 1169 CmdArgs.push_back("-fno-builtin"); 1170 1171 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1172 options::OPT_fno_assume_sane_operator_new)) 1173 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1174 1175 // -fblocks=0 is default. 1176 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, 1177 getToolChain().IsBlocksDefault())) { 1178 CmdArgs.push_back("-fblocks"); 1179 } 1180 1181 // -faccess-control is default. 1182 if (Args.hasFlag(options::OPT_fno_access_control, 1183 options::OPT_faccess_control, 1184 false)) 1185 CmdArgs.push_back("-fno-access-control"); 1186 1187 // -fexceptions=0 is default. 1188 if (needsExceptions(Args, InputType, getToolChain().getTriple())) 1189 CmdArgs.push_back("-fexceptions"); 1190 1191 if (getToolChain().UseSjLjExceptions()) 1192 CmdArgs.push_back("-fsjlj-exceptions"); 1193 1194 // -frtti is default. 1195 if (KernelOrKext || 1196 !Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) 1197 CmdArgs.push_back("-fno-rtti"); 1198 1199 // -fsigned-char is default. 1200 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char, 1201 isSignedCharDefault(getToolChain().getTriple()))) 1202 CmdArgs.push_back("-fno-signed-char"); 1203 1204 // -fthreadsafe-static is default. 1205 if (!Args.hasFlag(options::OPT_fthreadsafe_statics, 1206 options::OPT_fno_threadsafe_statics)) 1207 CmdArgs.push_back("-fno-threadsafe-statics"); 1208 1209 // -fuse-cxa-atexit is default. 1210 if (KernelOrKext || !Args.hasFlag(options::OPT_fuse_cxa_atexit, 1211 options::OPT_fno_use_cxa_atexit)) 1212 CmdArgs.push_back("-fno-use-cxa-atexit"); 1213 1214 // -fms-extensions=0 is default. 1215 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, 1216 getToolChain().getTriple().getOS() == llvm::Triple::Win32)) 1217 CmdArgs.push_back("-fms-extensions"); 1218 1219 // -fgnu-keywords default varies depending on language; only pass if 1220 // specified. 1221 if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords, 1222 options::OPT_fno_gnu_keywords)) 1223 A->render(Args, CmdArgs); 1224 1225 // -fnext-runtime is default. 1226 if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, 1227 getToolChain().getTriple().getOS() == llvm::Triple::Darwin)) 1228 CmdArgs.push_back("-fgnu-runtime"); 1229 1230 // -fobjc-nonfragile-abi=0 is default. 1231 if (types::isObjC(InputType)) { 1232 unsigned Version = 1; 1233 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) || 1234 getToolChain().IsObjCNonFragileABIDefault()) 1235 Version = 2; 1236 if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) { 1237 if (llvm::StringRef(A->getValue(Args)) == "1") 1238 Version = 1; 1239 else if (llvm::StringRef(A->getValue(Args)) == "2") 1240 Version = 2; 1241 else 1242 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1243 } 1244 1245 if (Version == 2) { 1246 CmdArgs.push_back("-fobjc-nonfragile-abi"); 1247 1248 // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and 1249 // legacy is the default. 1250 if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch, 1251 options::OPT_fno_objc_legacy_dispatch, 1252 getToolChain().IsObjCLegacyDispatchDefault())) { 1253 if (getToolChain().UseObjCMixedDispatch()) 1254 CmdArgs.push_back("-fobjc-dispatch-method=mixed"); 1255 else 1256 CmdArgs.push_back("-fobjc-dispatch-method=non-legacy"); 1257 } 1258 } 1259 } 1260 1261 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1262 options::OPT_fno_assume_sane_operator_new)) 1263 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1264 1265 // -fconstant-cfstrings is default, and may be subject to argument translation 1266 // on Darwin. 1267 if (!Args.hasFlag(options::OPT_fconstant_cfstrings, 1268 options::OPT_fno_constant_cfstrings) || 1269 !Args.hasFlag(options::OPT_mconstant_cfstrings, 1270 options::OPT_mno_constant_cfstrings)) 1271 CmdArgs.push_back("-fno-constant-cfstrings"); 1272 1273 // -fshort-wchar default varies depending on platform; only 1274 // pass if specified. 1275 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) 1276 A->render(Args, CmdArgs); 1277 1278 // -fno-pascal-strings is default, only pass non-default. If the tool chain 1279 // happened to translate to -mpascal-strings, we want to back translate here. 1280 // 1281 // FIXME: This is gross; that translation should be pulled from the 1282 // tool chain. 1283 if (Args.hasFlag(options::OPT_fpascal_strings, 1284 options::OPT_fno_pascal_strings, 1285 false) || 1286 Args.hasFlag(options::OPT_mpascal_strings, 1287 options::OPT_mno_pascal_strings, 1288 false)) 1289 CmdArgs.push_back("-fpascal-strings"); 1290 1291 // -fcommon is default, only pass non-default. 1292 if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) 1293 CmdArgs.push_back("-fno-common"); 1294 1295 // -fsigned-bitfields is default, and clang doesn't yet support 1296 // --funsigned-bitfields. 1297 if (!Args.hasFlag(options::OPT_fsigned_bitfields, 1298 options::OPT_funsigned_bitfields)) 1299 D.Diag(clang::diag::warn_drv_clang_unsupported) 1300 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 1301 1302 // -fdiagnostics-fixit-info is default, only pass non-default. 1303 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 1304 options::OPT_fno_diagnostics_fixit_info)) 1305 CmdArgs.push_back("-fno-diagnostics-fixit-info"); 1306 1307 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary); 1308 1309 // Enable -fdiagnostics-show-option by default. 1310 if (Args.hasFlag(options::OPT_fdiagnostics_show_option, 1311 options::OPT_fno_diagnostics_show_option)) 1312 CmdArgs.push_back("-fdiagnostics-show-option"); 1313 1314 // Color diagnostics are the default, unless the terminal doesn't support 1315 // them. 1316 if (Args.hasFlag(options::OPT_fcolor_diagnostics, 1317 options::OPT_fno_color_diagnostics) && 1318 llvm::sys::Process::StandardErrHasColors()) 1319 CmdArgs.push_back("-fcolor-diagnostics"); 1320 1321 if (!Args.hasFlag(options::OPT_fshow_source_location, 1322 options::OPT_fno_show_source_location)) 1323 CmdArgs.push_back("-fno-show-source-location"); 1324 1325 // -fdollars-in-identifiers default varies depending on platform and 1326 // language; only pass if specified. 1327 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 1328 options::OPT_fno_dollars_in_identifiers)) { 1329 if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 1330 CmdArgs.push_back("-fdollars-in-identifiers"); 1331 else 1332 CmdArgs.push_back("-fno-dollars-in-identifiers"); 1333 } 1334 1335 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 1336 // practical purposes. 1337 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 1338 options::OPT_fno_unit_at_a_time)) { 1339 if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 1340 D.Diag(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args); 1341 } 1342 1343 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. 1344 // 1345 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941. 1346#if 0 1347 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1348 (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1349 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) { 1350 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1351 CmdArgs.push_back("-fno-builtin-strcat"); 1352 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1353 CmdArgs.push_back("-fno-builtin-strcpy"); 1354 } 1355#endif 1356 1357 if (Arg *A = Args.getLastArg(options::OPT_traditional, 1358 options::OPT_traditional_cpp)) 1359 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1360 1361 Args.AddLastArg(CmdArgs, options::OPT_dM); 1362 Args.AddLastArg(CmdArgs, options::OPT_dD); 1363 1364 // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option 1365 // parser. 1366 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 1367 for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm), 1368 ie = Args.filtered_end(); it != ie; ++it) { 1369 it->claim(); 1370 1371 // We translate this by hand to the -cc1 argument, since nightly test uses 1372 // it and developers have been trained to spell it with -mllvm. 1373 if (llvm::StringRef(it->getValue(Args, 0)) == "-disable-llvm-optzns") 1374 CmdArgs.push_back("-disable-llvm-optzns"); 1375 else 1376 it->render(Args, CmdArgs); 1377 } 1378 1379 if (Output.getType() == types::TY_Dependencies) { 1380 // Handled with other dependency code. 1381 } else if (Output.isPipe()) { 1382 CmdArgs.push_back("-o"); 1383 CmdArgs.push_back("-"); 1384 } else if (Output.isFilename()) { 1385 CmdArgs.push_back("-o"); 1386 CmdArgs.push_back(Output.getFilename()); 1387 } else { 1388 assert(Output.isNothing() && "Invalid output."); 1389 } 1390 1391 for (InputInfoList::const_iterator 1392 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1393 const InputInfo &II = *it; 1394 CmdArgs.push_back("-x"); 1395 CmdArgs.push_back(types::getTypeName(II.getType())); 1396 if (II.isPipe()) 1397 CmdArgs.push_back("-"); 1398 else if (II.isFilename()) 1399 CmdArgs.push_back(II.getFilename()); 1400 else 1401 II.getInputArg().renderAsInput(Args, CmdArgs); 1402 } 1403 1404 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1405 1406 const char *Exec = 1407 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1408 1409 // Optionally embed the -cc1 level arguments into the debug info, for build 1410 // analysis. 1411 if (getToolChain().UseDwarfDebugFlags()) { 1412 llvm::SmallString<256> Flags; 1413 Flags += Exec; 1414 for (unsigned i = 0, e = CmdArgs.size(); i != e; ++i) { 1415 Flags += " "; 1416 Flags += CmdArgs[i]; 1417 } 1418 CmdArgs.push_back("-dwarf-debug-flags"); 1419 CmdArgs.push_back(Args.MakeArgString(Flags.str())); 1420 } 1421 1422 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1423 1424 // Explicitly warn that these options are unsupported, even though 1425 // we are allowing compilation to continue. 1426 for (arg_iterator it = Args.filtered_begin(options::OPT_pg), 1427 ie = Args.filtered_end(); it != ie; ++it) { 1428 it->claim(); 1429 D.Diag(clang::diag::warn_drv_clang_unsupported) << it->getAsString(Args); 1430 } 1431 1432 // Claim some arguments which clang supports automatically. 1433 1434 // -fpch-preprocess is used with gcc to add a special marker in the output to 1435 // include the PCH file. Clang's PTH solution is completely transparent, so we 1436 // do not need to deal with it at all. 1437 Args.ClaimAllArgs(options::OPT_fpch_preprocess); 1438 1439 // Claim some arguments which clang doesn't support, but we don't 1440 // care to warn the user about. 1441 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); 1442 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); 1443} 1444 1445void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 1446 Job &Dest, 1447 const InputInfo &Output, 1448 const InputInfoList &Inputs, 1449 const ArgList &Args, 1450 const char *LinkingOutput) const { 1451 const Driver &D = getToolChain().getDriver(); 1452 ArgStringList CmdArgs; 1453 1454 for (ArgList::const_iterator 1455 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 1456 Arg *A = *it; 1457 if (A->getOption().hasForwardToGCC()) { 1458 // It is unfortunate that we have to claim here, as this means 1459 // we will basically never report anything interesting for 1460 // platforms using a generic gcc, even if we are just using gcc 1461 // to get to the assembler. 1462 A->claim(); 1463 A->render(Args, CmdArgs); 1464 } 1465 } 1466 1467 RenderExtraToolArgs(JA, CmdArgs); 1468 1469 // If using a driver driver, force the arch. 1470 const std::string &Arch = getToolChain().getArchName(); 1471 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) { 1472 CmdArgs.push_back("-arch"); 1473 1474 // FIXME: Remove these special cases. 1475 if (Arch == "powerpc") 1476 CmdArgs.push_back("ppc"); 1477 else if (Arch == "powerpc64") 1478 CmdArgs.push_back("ppc64"); 1479 else 1480 CmdArgs.push_back(Args.MakeArgString(Arch)); 1481 } 1482 1483 // Try to force gcc to match the tool chain we want, if we recognize 1484 // the arch. 1485 // 1486 // FIXME: The triple class should directly provide the information we want 1487 // here. 1488 if (Arch == "i386" || Arch == "powerpc") 1489 CmdArgs.push_back("-m32"); 1490 else if (Arch == "x86_64" || Arch == "powerpc64") 1491 CmdArgs.push_back("-m64"); 1492 1493 if (Output.isPipe()) { 1494 CmdArgs.push_back("-o"); 1495 CmdArgs.push_back("-"); 1496 } else if (Output.isFilename()) { 1497 CmdArgs.push_back("-o"); 1498 CmdArgs.push_back(Output.getFilename()); 1499 } else { 1500 assert(Output.isNothing() && "Unexpected output"); 1501 CmdArgs.push_back("-fsyntax-only"); 1502 } 1503 1504 1505 // Only pass -x if gcc will understand it; otherwise hope gcc 1506 // understands the suffix correctly. The main use case this would go 1507 // wrong in is for linker inputs if they happened to have an odd 1508 // suffix; really the only way to get this to happen is a command 1509 // like '-x foobar a.c' which will treat a.c like a linker input. 1510 // 1511 // FIXME: For the linker case specifically, can we safely convert 1512 // inputs into '-Wl,' options? 1513 for (InputInfoList::const_iterator 1514 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1515 const InputInfo &II = *it; 1516 1517 // Don't try to pass LLVM or AST inputs to a generic gcc. 1518 if (II.getType() == types::TY_LLVMBC) 1519 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 1520 << getToolChain().getTripleString(); 1521 else if (II.getType() == types::TY_AST) 1522 D.Diag(clang::diag::err_drv_no_ast_support) 1523 << getToolChain().getTripleString(); 1524 1525 if (types::canTypeBeUserSpecified(II.getType())) { 1526 CmdArgs.push_back("-x"); 1527 CmdArgs.push_back(types::getTypeName(II.getType())); 1528 } 1529 1530 if (II.isPipe()) 1531 CmdArgs.push_back("-"); 1532 else if (II.isFilename()) 1533 CmdArgs.push_back(II.getFilename()); 1534 else 1535 // Don't render as input, we need gcc to do the translations. 1536 II.getInputArg().render(Args, CmdArgs); 1537 } 1538 1539 const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str(); 1540 const char *Exec = 1541 Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); 1542 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1543} 1544 1545void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, 1546 ArgStringList &CmdArgs) const { 1547 CmdArgs.push_back("-E"); 1548} 1549 1550void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA, 1551 ArgStringList &CmdArgs) const { 1552 // The type is good enough. 1553} 1554 1555void gcc::Compile::RenderExtraToolArgs(const JobAction &JA, 1556 ArgStringList &CmdArgs) const { 1557 const Driver &D = getToolChain().getDriver(); 1558 1559 // If -flto, etc. are present then make sure not to force assembly output. 1560 if (JA.getType() == types::TY_LLVMBC) 1561 CmdArgs.push_back("-c"); 1562 else { 1563 if (JA.getType() != types::TY_PP_Asm) 1564 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1565 << getTypeName(JA.getType()); 1566 1567 CmdArgs.push_back("-S"); 1568 } 1569} 1570 1571void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA, 1572 ArgStringList &CmdArgs) const { 1573 CmdArgs.push_back("-c"); 1574} 1575 1576void gcc::Link::RenderExtraToolArgs(const JobAction &JA, 1577 ArgStringList &CmdArgs) const { 1578 // The types are (hopefully) good enough. 1579} 1580 1581const char *darwin::CC1::getCC1Name(types::ID Type) const { 1582 switch (Type) { 1583 default: 1584 assert(0 && "Unexpected type for Darwin CC1 tool."); 1585 case types::TY_Asm: 1586 case types::TY_C: case types::TY_CHeader: 1587 case types::TY_PP_C: case types::TY_PP_CHeader: 1588 return "cc1"; 1589 case types::TY_ObjC: case types::TY_ObjCHeader: 1590 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 1591 return "cc1obj"; 1592 case types::TY_CXX: case types::TY_CXXHeader: 1593 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 1594 return "cc1plus"; 1595 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 1596 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 1597 return "cc1objplus"; 1598 } 1599} 1600 1601const char *darwin::CC1::getBaseInputName(const ArgList &Args, 1602 const InputInfoList &Inputs) { 1603 llvm::sys::Path P(Inputs[0].getBaseInput()); 1604 return Args.MakeArgString(P.getLast()); 1605} 1606 1607const char *darwin::CC1::getBaseInputStem(const ArgList &Args, 1608 const InputInfoList &Inputs) { 1609 const char *Str = getBaseInputName(Args, Inputs); 1610 1611 if (const char *End = strchr(Str, '.')) 1612 return Args.MakeArgString(std::string(Str, End)); 1613 1614 return Str; 1615} 1616 1617const char * 1618darwin::CC1::getDependencyFileName(const ArgList &Args, 1619 const InputInfoList &Inputs) { 1620 // FIXME: Think about this more. 1621 std::string Res; 1622 1623 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1624 std::string Str(OutputOpt->getValue(Args)); 1625 1626 Res = Str.substr(0, Str.rfind('.')); 1627 } else 1628 Res = darwin::CC1::getBaseInputStem(Args, Inputs); 1629 1630 return Args.MakeArgString(Res + ".d"); 1631} 1632 1633void darwin::CC1::AddCC1Args(const ArgList &Args, 1634 ArgStringList &CmdArgs) const { 1635 const Driver &D = getToolChain().getDriver(); 1636 1637 CheckCodeGenerationOptions(D, Args); 1638 1639 // Derived from cc1 spec. 1640 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) && 1641 !Args.hasArg(options::OPT_mdynamic_no_pic)) 1642 CmdArgs.push_back("-fPIC"); 1643 1644 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1645 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1646 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1647 CmdArgs.push_back("-fno-builtin-strcat"); 1648 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1649 CmdArgs.push_back("-fno-builtin-strcpy"); 1650 } 1651 1652 // gcc has some code here to deal with when no -mmacosx-version-min 1653 // and no -miphoneos-version-min is present, but this never happens 1654 // due to tool chain specific argument translation. 1655 1656 if (Args.hasArg(options::OPT_g_Flag) && 1657 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols)) 1658 CmdArgs.push_back("-feliminate-unused-debug-symbols"); 1659} 1660 1661void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1662 const InputInfoList &Inputs, 1663 const ArgStringList &OutputArgs) const { 1664 const Driver &D = getToolChain().getDriver(); 1665 1666 // Derived from cc1_options spec. 1667 if (Args.hasArg(options::OPT_fast) || 1668 Args.hasArg(options::OPT_fastf) || 1669 Args.hasArg(options::OPT_fastcp)) 1670 CmdArgs.push_back("-O3"); 1671 1672 if (Arg *A = Args.getLastArg(options::OPT_pg)) 1673 if (Args.hasArg(options::OPT_fomit_frame_pointer)) 1674 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1675 << A->getAsString(Args) << "-fomit-frame-pointer"; 1676 1677 AddCC1Args(Args, CmdArgs); 1678 1679 if (!Args.hasArg(options::OPT_Q)) 1680 CmdArgs.push_back("-quiet"); 1681 1682 CmdArgs.push_back("-dumpbase"); 1683 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 1684 1685 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1686 1687 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1688 Args.AddAllArgs(CmdArgs, options::OPT_a_Group); 1689 1690 // FIXME: The goal is to use the user provided -o if that is our 1691 // final output, otherwise to drive from the original input 1692 // name. Find a clean way to go about this. 1693 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 1694 Args.hasArg(options::OPT_o)) { 1695 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 1696 CmdArgs.push_back("-auxbase-strip"); 1697 CmdArgs.push_back(OutputOpt->getValue(Args)); 1698 } else { 1699 CmdArgs.push_back("-auxbase"); 1700 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs)); 1701 } 1702 1703 Args.AddAllArgs(CmdArgs, options::OPT_g_Group); 1704 1705 Args.AddAllArgs(CmdArgs, options::OPT_O); 1706 // FIXME: -Wall is getting some special treatment. Investigate. 1707 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1708 Args.AddLastArg(CmdArgs, options::OPT_w); 1709 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1710 options::OPT_trigraphs); 1711 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1712 // Honor -std-default. 1713 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1714 "-std=", /*Joined=*/true); 1715 } 1716 1717 if (Args.hasArg(options::OPT_v)) 1718 CmdArgs.push_back("-version"); 1719 if (Args.hasArg(options::OPT_pg)) 1720 CmdArgs.push_back("-p"); 1721 Args.AddLastArg(CmdArgs, options::OPT_p); 1722 1723 // The driver treats -fsyntax-only specially. 1724 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1725 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1726 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are 1727 // used to inhibit the default -fno-builtin-str{cat,cpy}. 1728 // 1729 // FIXME: Should we grow a better way to deal with "removing" args? 1730 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group, 1731 options::OPT_fsyntax_only), 1732 ie = Args.filtered_end(); it != ie; ++it) { 1733 if (!it->getOption().matches(options::OPT_fbuiltin_strcat) && 1734 !it->getOption().matches(options::OPT_fbuiltin_strcpy)) { 1735 it->claim(); 1736 it->render(Args, CmdArgs); 1737 } 1738 } 1739 } else 1740 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1741 1742 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1743 if (Args.hasArg(options::OPT_Qn)) 1744 CmdArgs.push_back("-fno-ident"); 1745 1746 // FIXME: This isn't correct. 1747 //Args.AddLastArg(CmdArgs, options::OPT__help) 1748 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp) 1749 1750 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1751 1752 // FIXME: Still don't get what is happening here. Investigate. 1753 Args.AddAllArgs(CmdArgs, options::OPT__param); 1754 1755 if (Args.hasArg(options::OPT_fmudflap) || 1756 Args.hasArg(options::OPT_fmudflapth)) { 1757 CmdArgs.push_back("-fno-builtin"); 1758 CmdArgs.push_back("-fno-merge-constants"); 1759 } 1760 1761 if (Args.hasArg(options::OPT_coverage)) { 1762 CmdArgs.push_back("-fprofile-arcs"); 1763 CmdArgs.push_back("-ftest-coverage"); 1764 } 1765 1766 if (types::isCXX(Inputs[0].getType())) 1767 CmdArgs.push_back("-D__private_extern__=extern"); 1768} 1769 1770void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1771 const InputInfoList &Inputs, 1772 const ArgStringList &OutputArgs) const { 1773 // Derived from cpp_options 1774 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1775 1776 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1777 1778 AddCC1Args(Args, CmdArgs); 1779 1780 // NOTE: The code below has some commonality with cpp_options, but 1781 // in classic gcc style ends up sending things in different 1782 // orders. This may be a good merge candidate once we drop pedantic 1783 // compatibility. 1784 1785 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1786 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1787 options::OPT_trigraphs); 1788 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1789 // Honor -std-default. 1790 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1791 "-std=", /*Joined=*/true); 1792 } 1793 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1794 Args.AddLastArg(CmdArgs, options::OPT_w); 1795 1796 // The driver treats -fsyntax-only specially. 1797 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1798 1799 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) && 1800 !Args.hasArg(options::OPT_fno_working_directory)) 1801 CmdArgs.push_back("-fworking-directory"); 1802 1803 Args.AddAllArgs(CmdArgs, options::OPT_O); 1804 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1805 if (Args.hasArg(options::OPT_save_temps)) 1806 CmdArgs.push_back("-fpch-preprocess"); 1807} 1808 1809void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args, 1810 ArgStringList &CmdArgs, 1811 const InputInfoList &Inputs) const { 1812 const Driver &D = getToolChain().getDriver(); 1813 1814 CheckPreprocessingOptions(D, Args); 1815 1816 // Derived from cpp_unique_options. 1817 // -{C,CC} only with -E is checked in CheckPreprocessingOptions(). 1818 Args.AddLastArg(CmdArgs, options::OPT_C); 1819 Args.AddLastArg(CmdArgs, options::OPT_CC); 1820 if (!Args.hasArg(options::OPT_Q)) 1821 CmdArgs.push_back("-quiet"); 1822 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc); 1823 Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx); 1824 Args.AddLastArg(CmdArgs, options::OPT_v); 1825 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 1826 Args.AddLastArg(CmdArgs, options::OPT_P); 1827 1828 // FIXME: Handle %I properly. 1829 if (getToolChain().getArchName() == "x86_64") { 1830 CmdArgs.push_back("-imultilib"); 1831 CmdArgs.push_back("x86_64"); 1832 } 1833 1834 if (Args.hasArg(options::OPT_MD)) { 1835 CmdArgs.push_back("-MD"); 1836 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1837 } 1838 1839 if (Args.hasArg(options::OPT_MMD)) { 1840 CmdArgs.push_back("-MMD"); 1841 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1842 } 1843 1844 Args.AddLastArg(CmdArgs, options::OPT_M); 1845 Args.AddLastArg(CmdArgs, options::OPT_MM); 1846 Args.AddAllArgs(CmdArgs, options::OPT_MF); 1847 Args.AddLastArg(CmdArgs, options::OPT_MG); 1848 Args.AddLastArg(CmdArgs, options::OPT_MP); 1849 Args.AddAllArgs(CmdArgs, options::OPT_MQ); 1850 Args.AddAllArgs(CmdArgs, options::OPT_MT); 1851 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) && 1852 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) { 1853 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1854 CmdArgs.push_back("-MQ"); 1855 CmdArgs.push_back(OutputOpt->getValue(Args)); 1856 } 1857 } 1858 1859 Args.AddLastArg(CmdArgs, options::OPT_remap); 1860 if (Args.hasArg(options::OPT_g3)) 1861 CmdArgs.push_back("-dD"); 1862 Args.AddLastArg(CmdArgs, options::OPT_H); 1863 1864 AddCPPArgs(Args, CmdArgs); 1865 1866 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A); 1867 Args.AddAllArgs(CmdArgs, options::OPT_i_Group); 1868 1869 for (InputInfoList::const_iterator 1870 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1871 const InputInfo &II = *it; 1872 1873 if (II.isPipe()) 1874 CmdArgs.push_back("-"); 1875 else 1876 CmdArgs.push_back(II.getFilename()); 1877 } 1878 1879 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 1880 options::OPT_Xpreprocessor); 1881 1882 if (Args.hasArg(options::OPT_fmudflap)) { 1883 CmdArgs.push_back("-D_MUDFLAP"); 1884 CmdArgs.push_back("-include"); 1885 CmdArgs.push_back("mf-runtime.h"); 1886 } 1887 1888 if (Args.hasArg(options::OPT_fmudflapth)) { 1889 CmdArgs.push_back("-D_MUDFLAP"); 1890 CmdArgs.push_back("-D_MUDFLAPTH"); 1891 CmdArgs.push_back("-include"); 1892 CmdArgs.push_back("mf-runtime.h"); 1893 } 1894} 1895 1896void darwin::CC1::AddCPPArgs(const ArgList &Args, 1897 ArgStringList &CmdArgs) const { 1898 // Derived from cpp spec. 1899 1900 if (Args.hasArg(options::OPT_static)) { 1901 // The gcc spec is broken here, it refers to dynamic but 1902 // that has been translated. Start by being bug compatible. 1903 1904 // if (!Args.hasArg(arglist.parser.dynamicOption)) 1905 CmdArgs.push_back("-D__STATIC__"); 1906 } else 1907 CmdArgs.push_back("-D__DYNAMIC__"); 1908 1909 if (Args.hasArg(options::OPT_pthread)) 1910 CmdArgs.push_back("-D_REENTRANT"); 1911} 1912 1913void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA, 1914 Job &Dest, const InputInfo &Output, 1915 const InputInfoList &Inputs, 1916 const ArgList &Args, 1917 const char *LinkingOutput) const { 1918 ArgStringList CmdArgs; 1919 1920 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1921 1922 CmdArgs.push_back("-E"); 1923 1924 if (Args.hasArg(options::OPT_traditional) || 1925 Args.hasArg(options::OPT_traditional_cpp)) 1926 CmdArgs.push_back("-traditional-cpp"); 1927 1928 ArgStringList OutputArgs; 1929 if (Output.isFilename()) { 1930 OutputArgs.push_back("-o"); 1931 OutputArgs.push_back(Output.getFilename()); 1932 } else { 1933 assert(Output.isPipe() && "Unexpected CC1 output."); 1934 } 1935 1936 if (Args.hasArg(options::OPT_E)) { 1937 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1938 } else { 1939 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1940 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1941 } 1942 1943 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1944 1945 const char *CC1Name = getCC1Name(Inputs[0].getType()); 1946 const char *Exec = 1947 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 1948 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1949} 1950 1951void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, 1952 Job &Dest, const InputInfo &Output, 1953 const InputInfoList &Inputs, 1954 const ArgList &Args, 1955 const char *LinkingOutput) const { 1956 const Driver &D = getToolChain().getDriver(); 1957 ArgStringList CmdArgs; 1958 1959 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1960 1961 types::ID InputType = Inputs[0].getType(); 1962 const Arg *A; 1963 if ((A = Args.getLastArg(options::OPT_traditional))) 1964 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 1965 << A->getAsString(Args) << "-E"; 1966 1967 if (Output.getType() == types::TY_LLVMAsm) 1968 CmdArgs.push_back("-emit-llvm"); 1969 else if (Output.getType() == types::TY_LLVMBC) 1970 CmdArgs.push_back("-emit-llvm-bc"); 1971 else if (Output.getType() == types::TY_AST) 1972 D.Diag(clang::diag::err_drv_no_ast_support) 1973 << getToolChain().getTripleString(); 1974 else if (JA.getType() != types::TY_PP_Asm && 1975 JA.getType() != types::TY_PCH) 1976 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1977 << getTypeName(JA.getType()); 1978 1979 ArgStringList OutputArgs; 1980 if (Output.getType() != types::TY_PCH) { 1981 OutputArgs.push_back("-o"); 1982 if (Output.isPipe()) 1983 OutputArgs.push_back("-"); 1984 else if (Output.isNothing()) 1985 OutputArgs.push_back("/dev/null"); 1986 else 1987 OutputArgs.push_back(Output.getFilename()); 1988 } 1989 1990 // There is no need for this level of compatibility, but it makes 1991 // diffing easier. 1992 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) || 1993 Args.hasArg(options::OPT_S)); 1994 1995 if (types::getPreprocessedType(InputType) != types::TY_INVALID) { 1996 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1997 if (OutputArgsEarly) { 1998 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1999 } else { 2000 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2001 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2002 } 2003 } else { 2004 CmdArgs.push_back("-fpreprocessed"); 2005 2006 for (InputInfoList::const_iterator 2007 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2008 const InputInfo &II = *it; 2009 2010 // Reject AST inputs. 2011 if (II.getType() == types::TY_AST) { 2012 D.Diag(clang::diag::err_drv_no_ast_support) 2013 << getToolChain().getTripleString(); 2014 return; 2015 } 2016 2017 if (II.isPipe()) 2018 CmdArgs.push_back("-"); 2019 else 2020 CmdArgs.push_back(II.getFilename()); 2021 } 2022 2023 if (OutputArgsEarly) { 2024 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2025 } else { 2026 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2027 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2028 } 2029 } 2030 2031 if (Output.getType() == types::TY_PCH) { 2032 assert(Output.isFilename() && "Invalid PCH output."); 2033 2034 CmdArgs.push_back("-o"); 2035 // NOTE: gcc uses a temp .s file for this, but there doesn't seem 2036 // to be a good reason. 2037 CmdArgs.push_back("/dev/null"); 2038 2039 CmdArgs.push_back("--output-pch="); 2040 CmdArgs.push_back(Output.getFilename()); 2041 } 2042 2043 const char *CC1Name = getCC1Name(Inputs[0].getType()); 2044 const char *Exec = 2045 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 2046 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2047} 2048 2049void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2050 Job &Dest, const InputInfo &Output, 2051 const InputInfoList &Inputs, 2052 const ArgList &Args, 2053 const char *LinkingOutput) const { 2054 ArgStringList CmdArgs; 2055 2056 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 2057 const InputInfo &Input = Inputs[0]; 2058 2059 // Bit of a hack, this is only used for original inputs. 2060 // 2061 // FIXME: This is broken for preprocessed .s inputs. 2062 if (Input.isFilename() && 2063 strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { 2064 if (Args.hasArg(options::OPT_gstabs)) 2065 CmdArgs.push_back("--gstabs"); 2066 else if (Args.hasArg(options::OPT_g_Group)) 2067 CmdArgs.push_back("--gdwarf2"); 2068 } 2069 2070 // Derived from asm spec. 2071 AddDarwinArch(Args, CmdArgs); 2072 2073 if (!getDarwinToolChain().isTargetIPhoneOS() || 2074 Args.hasArg(options::OPT_force__cpusubtype__ALL)) 2075 CmdArgs.push_back("-force_cpusubtype_ALL"); 2076 2077 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 && 2078 (Args.hasArg(options::OPT_mkernel) || 2079 Args.hasArg(options::OPT_static) || 2080 Args.hasArg(options::OPT_fapple_kext))) 2081 CmdArgs.push_back("-static"); 2082 2083 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2084 options::OPT_Xassembler); 2085 2086 assert(Output.isFilename() && "Unexpected lipo output."); 2087 CmdArgs.push_back("-o"); 2088 CmdArgs.push_back(Output.getFilename()); 2089 2090 if (Input.isPipe()) { 2091 CmdArgs.push_back("-"); 2092 } else { 2093 assert(Input.isFilename() && "Invalid input."); 2094 CmdArgs.push_back(Input.getFilename()); 2095 } 2096 2097 // asm_final spec is empty. 2098 2099 const char *Exec = 2100 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2101 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2102} 2103 2104/// Helper routine for seeing if we should use dsymutil; this is a 2105/// gcc compatible hack, we should remove it and use the input 2106/// type information. 2107static bool isSourceSuffix(const char *Str) { 2108 // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm', 2109 // 'mm'. 2110 return llvm::StringSwitch<bool>(Str) 2111 .Case("C", true) 2112 .Case("c", true) 2113 .Case("m", true) 2114 .Case("cc", true) 2115 .Case("cp", true) 2116 .Case("mm", true) 2117 .Case("CPP", true) 2118 .Case("c++", true) 2119 .Case("cpp", true) 2120 .Case("cxx", true) 2121 .Default(false); 2122} 2123 2124void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, 2125 ArgStringList &CmdArgs) const { 2126 llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args); 2127 2128 // Derived from darwin_arch spec. 2129 CmdArgs.push_back("-arch"); 2130 CmdArgs.push_back(Args.MakeArgString(ArchName)); 2131 2132 // FIXME: Is this needed anymore? 2133 if (ArchName == "arm") 2134 CmdArgs.push_back("-force_cpusubtype_ALL"); 2135} 2136 2137void darwin::Link::AddLinkArgs(const ArgList &Args, 2138 ArgStringList &CmdArgs) const { 2139 const Driver &D = getToolChain().getDriver(); 2140 2141 // Derived from the "link" spec. 2142 Args.AddAllArgs(CmdArgs, options::OPT_static); 2143 if (!Args.hasArg(options::OPT_static)) 2144 CmdArgs.push_back("-dynamic"); 2145 if (Args.hasArg(options::OPT_fgnu_runtime)) { 2146 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu 2147 // here. How do we wish to handle such things? 2148 } 2149 2150 if (!Args.hasArg(options::OPT_dynamiclib)) { 2151 AddDarwinArch(Args, CmdArgs); 2152 // FIXME: Why do this only on this path? 2153 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL); 2154 2155 Args.AddLastArg(CmdArgs, options::OPT_bundle); 2156 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); 2157 Args.AddAllArgs(CmdArgs, options::OPT_client__name); 2158 2159 Arg *A; 2160 if ((A = Args.getLastArg(options::OPT_compatibility__version)) || 2161 (A = Args.getLastArg(options::OPT_current__version)) || 2162 (A = Args.getLastArg(options::OPT_install__name))) 2163 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2164 << A->getAsString(Args) << "-dynamiclib"; 2165 2166 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); 2167 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); 2168 Args.AddLastArg(CmdArgs, options::OPT_private__bundle); 2169 } else { 2170 CmdArgs.push_back("-dylib"); 2171 2172 Arg *A; 2173 if ((A = Args.getLastArg(options::OPT_bundle)) || 2174 (A = Args.getLastArg(options::OPT_bundle__loader)) || 2175 (A = Args.getLastArg(options::OPT_client__name)) || 2176 (A = Args.getLastArg(options::OPT_force__flat__namespace)) || 2177 (A = Args.getLastArg(options::OPT_keep__private__externs)) || 2178 (A = Args.getLastArg(options::OPT_private__bundle))) 2179 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 2180 << A->getAsString(Args) << "-dynamiclib"; 2181 2182 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, 2183 "-dylib_compatibility_version"); 2184 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, 2185 "-dylib_current_version"); 2186 2187 AddDarwinArch(Args, CmdArgs); 2188 2189 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, 2190 "-dylib_install_name"); 2191 } 2192 2193 Args.AddLastArg(CmdArgs, options::OPT_all__load); 2194 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); 2195 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); 2196 if (getDarwinToolChain().isTargetIPhoneOS()) 2197 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); 2198 Args.AddLastArg(CmdArgs, options::OPT_dead__strip); 2199 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); 2200 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); 2201 Args.AddLastArg(CmdArgs, options::OPT_dynamic); 2202 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); 2203 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); 2204 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); 2205 Args.AddAllArgs(CmdArgs, options::OPT_image__base); 2206 Args.AddAllArgs(CmdArgs, options::OPT_init); 2207 2208 // Adding all arguments doesn't make sense here but this is what gcc does. One 2209 // of this should always be present thanks to argument translation. 2210 assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) || 2211 Args.hasArg(options::OPT_miphoneos_version_min_EQ)) && 2212 "Missing version argument (lost in translation)?"); 2213 Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, 2214 "-macosx_version_min"); 2215 Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, 2216 "-iphoneos_version_min"); 2217 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); 2218 Args.AddLastArg(CmdArgs, options::OPT_multi__module); 2219 Args.AddLastArg(CmdArgs, options::OPT_single__module); 2220 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); 2221 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); 2222 2223 if (Args.hasArg(options::OPT_fpie)) 2224 CmdArgs.push_back("-pie"); 2225 2226 Args.AddLastArg(CmdArgs, options::OPT_prebind); 2227 Args.AddLastArg(CmdArgs, options::OPT_noprebind); 2228 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); 2229 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); 2230 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); 2231 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); 2232 Args.AddAllArgs(CmdArgs, options::OPT_sectorder); 2233 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); 2234 Args.AddAllArgs(CmdArgs, options::OPT_segprot); 2235 Args.AddAllArgs(CmdArgs, options::OPT_segaddr); 2236 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); 2237 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); 2238 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); 2239 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); 2240 Args.AddAllArgs(CmdArgs, options::OPT_sub__library); 2241 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); 2242 2243 Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); 2244 if (getDarwinToolChain().isTargetIPhoneOS()) { 2245 if (!Args.hasArg(options::OPT_isysroot)) { 2246 CmdArgs.push_back("-syslibroot"); 2247 CmdArgs.push_back("/Developer/SDKs/Extra"); 2248 } 2249 } 2250 2251 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); 2252 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); 2253 Args.AddAllArgs(CmdArgs, options::OPT_umbrella); 2254 Args.AddAllArgs(CmdArgs, options::OPT_undefined); 2255 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); 2256 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); 2257 Args.AddLastArg(CmdArgs, options::OPT_X_Flag); 2258 Args.AddAllArgs(CmdArgs, options::OPT_y); 2259 Args.AddLastArg(CmdArgs, options::OPT_w); 2260 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); 2261 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); 2262 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); 2263 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); 2264 Args.AddAllArgs(CmdArgs, options::OPT_sectalign); 2265 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); 2266 Args.AddAllArgs(CmdArgs, options::OPT_segcreate); 2267 Args.AddLastArg(CmdArgs, options::OPT_whyload); 2268 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); 2269 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); 2270 Args.AddLastArg(CmdArgs, options::OPT_dylinker); 2271 Args.AddLastArg(CmdArgs, options::OPT_Mach); 2272} 2273 2274void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, 2275 Job &Dest, const InputInfo &Output, 2276 const InputInfoList &Inputs, 2277 const ArgList &Args, 2278 const char *LinkingOutput) const { 2279 assert(Output.getType() == types::TY_Image && "Invalid linker output type."); 2280 2281 // The logic here is derived from gcc's behavior; most of which 2282 // comes from specs (starting with link_command). Consult gcc for 2283 // more information. 2284 ArgStringList CmdArgs; 2285 2286 // I'm not sure why this particular decomposition exists in gcc, but 2287 // we follow suite for ease of comparison. 2288 AddLinkArgs(Args, CmdArgs); 2289 2290 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); 2291 Args.AddAllArgs(CmdArgs, options::OPT_s); 2292 Args.AddAllArgs(CmdArgs, options::OPT_t); 2293 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); 2294 Args.AddAllArgs(CmdArgs, options::OPT_u_Group); 2295 Args.AddAllArgs(CmdArgs, options::OPT_A); 2296 Args.AddLastArg(CmdArgs, options::OPT_e); 2297 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate); 2298 Args.AddAllArgs(CmdArgs, options::OPT_r); 2299 2300 CmdArgs.push_back("-o"); 2301 CmdArgs.push_back(Output.getFilename()); 2302 2303 if (!Args.hasArg(options::OPT_A) && 2304 !Args.hasArg(options::OPT_nostdlib) && 2305 !Args.hasArg(options::OPT_nostartfiles)) { 2306 // Derived from startfile spec. 2307 if (Args.hasArg(options::OPT_dynamiclib)) { 2308 // Derived from darwin_dylib1 spec. 2309 if (getDarwinToolChain().isTargetIPhoneOS()) { 2310 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2311 CmdArgs.push_back("-ldylib1.o"); 2312 } else { 2313 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2314 CmdArgs.push_back("-ldylib1.o"); 2315 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2316 CmdArgs.push_back("-ldylib1.10.5.o"); 2317 } 2318 } else { 2319 if (Args.hasArg(options::OPT_bundle)) { 2320 if (!Args.hasArg(options::OPT_static)) { 2321 // Derived from darwin_bundle1 spec. 2322 if (getDarwinToolChain().isTargetIPhoneOS()) { 2323 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2324 CmdArgs.push_back("-lbundle1.o"); 2325 } else { 2326 if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2327 CmdArgs.push_back("-lbundle1.o"); 2328 } 2329 } 2330 } else { 2331 if (Args.hasArg(options::OPT_pg)) { 2332 if (Args.hasArg(options::OPT_static) || 2333 Args.hasArg(options::OPT_object) || 2334 Args.hasArg(options::OPT_preload)) { 2335 CmdArgs.push_back("-lgcrt0.o"); 2336 } else { 2337 CmdArgs.push_back("-lgcrt1.o"); 2338 2339 // darwin_crt2 spec is empty. 2340 } 2341 } else { 2342 if (Args.hasArg(options::OPT_static) || 2343 Args.hasArg(options::OPT_object) || 2344 Args.hasArg(options::OPT_preload)) { 2345 CmdArgs.push_back("-lcrt0.o"); 2346 } else { 2347 // Derived from darwin_crt1 spec. 2348 if (getDarwinToolChain().isTargetIPhoneOS()) { 2349 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2350 CmdArgs.push_back("-lcrt1.o"); 2351 else 2352 CmdArgs.push_back("-lcrt1.3.1.o"); 2353 } else { 2354 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2355 CmdArgs.push_back("-lcrt1.o"); 2356 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2357 CmdArgs.push_back("-lcrt1.10.5.o"); 2358 else 2359 CmdArgs.push_back("-lcrt1.10.6.o"); 2360 2361 // darwin_crt2 spec is empty. 2362 } 2363 } 2364 } 2365 } 2366 } 2367 2368 if (!getDarwinToolChain().isTargetIPhoneOS() && 2369 Args.hasArg(options::OPT_shared_libgcc) && 2370 getDarwinToolChain().isMacosxVersionLT(10, 5)) { 2371 const char *Str = 2372 Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o")); 2373 CmdArgs.push_back(Str); 2374 } 2375 } 2376 2377 Args.AddAllArgs(CmdArgs, options::OPT_L); 2378 2379 if (Args.hasArg(options::OPT_fopenmp)) 2380 // This is more complicated in gcc... 2381 CmdArgs.push_back("-lgomp"); 2382 2383 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); 2384 2385 for (InputInfoList::const_iterator 2386 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2387 const InputInfo &II = *it; 2388 if (II.isFilename()) 2389 CmdArgs.push_back(II.getFilename()); 2390 else 2391 II.getInputArg().renderAsInput(Args, CmdArgs); 2392 } 2393 2394 if (LinkingOutput) { 2395 CmdArgs.push_back("-arch_multiple"); 2396 CmdArgs.push_back("-final_output"); 2397 CmdArgs.push_back(LinkingOutput); 2398 } 2399 2400 if (Args.hasArg(options::OPT_fprofile_arcs) || 2401 Args.hasArg(options::OPT_fprofile_generate) || 2402 Args.hasArg(options::OPT_fcreate_profile) || 2403 Args.hasArg(options::OPT_coverage)) 2404 CmdArgs.push_back("-lgcov"); 2405 2406 if (Args.hasArg(options::OPT_fnested_functions)) 2407 CmdArgs.push_back("-allow_stack_execute"); 2408 2409 if (!Args.hasArg(options::OPT_nostdlib) && 2410 !Args.hasArg(options::OPT_nodefaultlibs)) { 2411 // FIXME: g++ is more complicated here, it tries to put -lstdc++ 2412 // before -lm, for example. 2413 if (getToolChain().getDriver().CCCIsCXX) 2414 CmdArgs.push_back("-lstdc++"); 2415 2416 // link_ssp spec is empty. 2417 2418 // Let the tool chain choose which runtime library to link. 2419 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); 2420 } 2421 2422 if (!Args.hasArg(options::OPT_A) && 2423 !Args.hasArg(options::OPT_nostdlib) && 2424 !Args.hasArg(options::OPT_nostartfiles)) { 2425 // endfile_spec is empty. 2426 } 2427 2428 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2429 Args.AddAllArgs(CmdArgs, options::OPT_F); 2430 2431 const char *Exec = 2432 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2433 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2434 2435 // Find the first non-empty base input (we want to ignore linker 2436 // inputs). 2437 const char *BaseInput = ""; 2438 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 2439 if (Inputs[i].getBaseInput()[0] != '\0') { 2440 BaseInput = Inputs[i].getBaseInput(); 2441 break; 2442 } 2443 } 2444 2445 // Run dsymutil if we are making an executable in a single step. 2446 // 2447 // FIXME: Currently we don't want to do this when we are part of a 2448 // universal build step, as this would end up creating stray temp 2449 // files. 2450 if (!LinkingOutput && 2451 Args.getLastArg(options::OPT_g_Group) && 2452 !Args.getLastArg(options::OPT_gstabs) && 2453 !Args.getLastArg(options::OPT_g0)) { 2454 // FIXME: This is gross, but matches gcc. The test only considers 2455 // the suffix (not the -x type), and then only of the first 2456 // source input. Awesome. 2457 const char *Suffix = strrchr(BaseInput, '.'); 2458 if (Suffix && isSourceSuffix(Suffix + 1)) { 2459 const char *Exec = 2460 Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); 2461 ArgStringList CmdArgs; 2462 CmdArgs.push_back(Output.getFilename()); 2463 C.getJobs().addCommand(new Command(JA, *this, Exec, CmdArgs)); 2464 } 2465 } 2466} 2467 2468void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, 2469 Job &Dest, const InputInfo &Output, 2470 const InputInfoList &Inputs, 2471 const ArgList &Args, 2472 const char *LinkingOutput) const { 2473 ArgStringList CmdArgs; 2474 2475 CmdArgs.push_back("-create"); 2476 assert(Output.isFilename() && "Unexpected lipo output."); 2477 2478 CmdArgs.push_back("-output"); 2479 CmdArgs.push_back(Output.getFilename()); 2480 2481 for (InputInfoList::const_iterator 2482 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2483 const InputInfo &II = *it; 2484 assert(II.isFilename() && "Unexpected lipo input."); 2485 CmdArgs.push_back(II.getFilename()); 2486 } 2487 const char *Exec = 2488 Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo")); 2489 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2490} 2491 2492void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2493 Job &Dest, const InputInfo &Output, 2494 const InputInfoList &Inputs, 2495 const ArgList &Args, 2496 const char *LinkingOutput) const { 2497 ArgStringList CmdArgs; 2498 2499 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2500 options::OPT_Xassembler); 2501 2502 CmdArgs.push_back("-o"); 2503 if (Output.isPipe()) 2504 CmdArgs.push_back("-"); 2505 else 2506 CmdArgs.push_back(Output.getFilename()); 2507 2508 for (InputInfoList::const_iterator 2509 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2510 const InputInfo &II = *it; 2511 if (II.isPipe()) 2512 CmdArgs.push_back("-"); 2513 else 2514 CmdArgs.push_back(II.getFilename()); 2515 } 2516 2517 const char *Exec = 2518 Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); 2519 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2520} 2521 2522void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, 2523 Job &Dest, const InputInfo &Output, 2524 const InputInfoList &Inputs, 2525 const ArgList &Args, 2526 const char *LinkingOutput) const { 2527 const Driver &D = getToolChain().getDriver(); 2528 ArgStringList CmdArgs; 2529 2530 if ((!Args.hasArg(options::OPT_nostdlib)) && 2531 (!Args.hasArg(options::OPT_shared))) { 2532 CmdArgs.push_back("-e"); 2533 CmdArgs.push_back("_start"); 2534 } 2535 2536 if (Args.hasArg(options::OPT_static)) { 2537 CmdArgs.push_back("-Bstatic"); 2538 CmdArgs.push_back("-dn"); 2539 } else { 2540// CmdArgs.push_back("--eh-frame-hdr"); 2541 CmdArgs.push_back("-Bdynamic"); 2542 if (Args.hasArg(options::OPT_shared)) { 2543 CmdArgs.push_back("-shared"); 2544 } else { 2545 CmdArgs.push_back("--dynamic-linker"); 2546 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 2547 } 2548 } 2549 2550 if (Output.isPipe()) { 2551 CmdArgs.push_back("-o"); 2552 CmdArgs.push_back("-"); 2553 } else if (Output.isFilename()) { 2554 CmdArgs.push_back("-o"); 2555 CmdArgs.push_back(Output.getFilename()); 2556 } else { 2557 assert(Output.isNothing() && "Invalid output."); 2558 } 2559 2560 if (!Args.hasArg(options::OPT_nostdlib) && 2561 !Args.hasArg(options::OPT_nostartfiles)) { 2562 if (!Args.hasArg(options::OPT_shared)) { 2563 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2564 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2565 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2566 } else { 2567 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2568 } 2569 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2570 } 2571 2572 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/" 2573 + getToolChain().getTripleString() 2574 + "/4.2.4")); 2575 2576 Args.AddAllArgs(CmdArgs, options::OPT_L); 2577 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2578 Args.AddAllArgs(CmdArgs, options::OPT_e); 2579 2580 for (InputInfoList::const_iterator 2581 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2582 const InputInfo &II = *it; 2583 2584 // Don't try to pass LLVM inputs to a generic gcc. 2585 if (II.getType() == types::TY_LLVMBC) 2586 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2587 << getToolChain().getTripleString(); 2588 2589 if (II.isPipe()) 2590 CmdArgs.push_back("-"); 2591 else if (II.isFilename()) 2592 CmdArgs.push_back(II.getFilename()); 2593 else 2594 II.getInputArg().renderAsInput(Args, CmdArgs); 2595 } 2596 2597 if (!Args.hasArg(options::OPT_nostdlib) && 2598 !Args.hasArg(options::OPT_nodefaultlibs)) { 2599 // FIXME: For some reason GCC passes -lgcc before adding 2600 // the default system libraries. Just mimic this for now. 2601 CmdArgs.push_back("-lgcc"); 2602 2603 if (Args.hasArg(options::OPT_pthread)) 2604 CmdArgs.push_back("-pthread"); 2605 if (!Args.hasArg(options::OPT_shared)) 2606 CmdArgs.push_back("-lc"); 2607 CmdArgs.push_back("-lgcc"); 2608 } 2609 2610 if (!Args.hasArg(options::OPT_nostdlib) && 2611 !Args.hasArg(options::OPT_nostartfiles)) { 2612 if (!Args.hasArg(options::OPT_shared)) 2613 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2614// else 2615// CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2616 } 2617 2618 const char *Exec = 2619 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2620 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2621} 2622 2623void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2624 Job &Dest, const InputInfo &Output, 2625 const InputInfoList &Inputs, 2626 const ArgList &Args, 2627 const char *LinkingOutput) const { 2628 ArgStringList CmdArgs; 2629 2630 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2631 options::OPT_Xassembler); 2632 2633 CmdArgs.push_back("-o"); 2634 if (Output.isPipe()) 2635 CmdArgs.push_back("-"); 2636 else 2637 CmdArgs.push_back(Output.getFilename()); 2638 2639 for (InputInfoList::const_iterator 2640 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2641 const InputInfo &II = *it; 2642 if (II.isPipe()) 2643 CmdArgs.push_back("-"); 2644 else 2645 CmdArgs.push_back(II.getFilename()); 2646 } 2647 2648 const char *Exec = 2649 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2650 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2651} 2652 2653void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2654 Job &Dest, const InputInfo &Output, 2655 const InputInfoList &Inputs, 2656 const ArgList &Args, 2657 const char *LinkingOutput) const { 2658 const Driver &D = getToolChain().getDriver(); 2659 ArgStringList CmdArgs; 2660 2661 if ((!Args.hasArg(options::OPT_nostdlib)) && 2662 (!Args.hasArg(options::OPT_shared))) { 2663 CmdArgs.push_back("-e"); 2664 CmdArgs.push_back("__start"); 2665 } 2666 2667 if (Args.hasArg(options::OPT_static)) { 2668 CmdArgs.push_back("-Bstatic"); 2669 } else { 2670 CmdArgs.push_back("--eh-frame-hdr"); 2671 CmdArgs.push_back("-Bdynamic"); 2672 if (Args.hasArg(options::OPT_shared)) { 2673 CmdArgs.push_back("-shared"); 2674 } else { 2675 CmdArgs.push_back("-dynamic-linker"); 2676 CmdArgs.push_back("/usr/libexec/ld.so"); 2677 } 2678 } 2679 2680 if (Output.isPipe()) { 2681 CmdArgs.push_back("-o"); 2682 CmdArgs.push_back("-"); 2683 } else if (Output.isFilename()) { 2684 CmdArgs.push_back("-o"); 2685 CmdArgs.push_back(Output.getFilename()); 2686 } else { 2687 assert(Output.isNothing() && "Invalid output."); 2688 } 2689 2690 if (!Args.hasArg(options::OPT_nostdlib) && 2691 !Args.hasArg(options::OPT_nostartfiles)) { 2692 if (!Args.hasArg(options::OPT_shared)) { 2693 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o"))); 2694 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2695 } else { 2696 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2697 } 2698 } 2699 2700 std::string Triple = getToolChain().getTripleString(); 2701 if (Triple.substr(0, 6) == "x86_64") 2702 Triple.replace(0, 6, "amd64"); 2703 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + 2704 "/3.3.5")); 2705 2706 Args.AddAllArgs(CmdArgs, options::OPT_L); 2707 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2708 Args.AddAllArgs(CmdArgs, options::OPT_e); 2709 2710 for (InputInfoList::const_iterator 2711 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2712 const InputInfo &II = *it; 2713 2714 // Don't try to pass LLVM inputs to a generic gcc. 2715 if (II.getType() == types::TY_LLVMBC) 2716 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2717 << getToolChain().getTripleString(); 2718 2719 if (II.isPipe()) 2720 CmdArgs.push_back("-"); 2721 else if (II.isFilename()) 2722 CmdArgs.push_back(II.getFilename()); 2723 else 2724 II.getInputArg().renderAsInput(Args, CmdArgs); 2725 } 2726 2727 if (!Args.hasArg(options::OPT_nostdlib) && 2728 !Args.hasArg(options::OPT_nodefaultlibs)) { 2729 // FIXME: For some reason GCC passes -lgcc before adding 2730 // the default system libraries. Just mimic this for now. 2731 CmdArgs.push_back("-lgcc"); 2732 2733 if (Args.hasArg(options::OPT_pthread)) 2734 CmdArgs.push_back("-pthread"); 2735 if (!Args.hasArg(options::OPT_shared)) 2736 CmdArgs.push_back("-lc"); 2737 CmdArgs.push_back("-lgcc"); 2738 } 2739 2740 if (!Args.hasArg(options::OPT_nostdlib) && 2741 !Args.hasArg(options::OPT_nostartfiles)) { 2742 if (!Args.hasArg(options::OPT_shared)) 2743 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2744 else 2745 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2746 } 2747 2748 const char *Exec = 2749 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2750 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2751} 2752 2753void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2754 Job &Dest, const InputInfo &Output, 2755 const InputInfoList &Inputs, 2756 const ArgList &Args, 2757 const char *LinkingOutput) const { 2758 ArgStringList CmdArgs; 2759 2760 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2761 // instruct as in the base system to assemble 32-bit code. 2762 if (getToolChain().getArchName() == "i386") 2763 CmdArgs.push_back("--32"); 2764 2765 2766 // Set byte order explicitly 2767 if (getToolChain().getArchName() == "mips") 2768 CmdArgs.push_back("-EB"); 2769 else if (getToolChain().getArchName() == "mipsel") 2770 CmdArgs.push_back("-EL"); 2771 2772 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2773 options::OPT_Xassembler); 2774 2775 CmdArgs.push_back("-o"); 2776 if (Output.isPipe()) 2777 CmdArgs.push_back("-"); 2778 else 2779 CmdArgs.push_back(Output.getFilename()); 2780 2781 for (InputInfoList::const_iterator 2782 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2783 const InputInfo &II = *it; 2784 if (II.isPipe()) 2785 CmdArgs.push_back("-"); 2786 else 2787 CmdArgs.push_back(II.getFilename()); 2788 } 2789 2790 const char *Exec = 2791 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2792 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2793} 2794 2795void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2796 Job &Dest, const InputInfo &Output, 2797 const InputInfoList &Inputs, 2798 const ArgList &Args, 2799 const char *LinkingOutput) const { 2800 const Driver &D = getToolChain().getDriver(); 2801 ArgStringList CmdArgs; 2802 2803 if (Args.hasArg(options::OPT_static)) { 2804 CmdArgs.push_back("-Bstatic"); 2805 } else { 2806 CmdArgs.push_back("--eh-frame-hdr"); 2807 if (Args.hasArg(options::OPT_shared)) { 2808 CmdArgs.push_back("-Bshareable"); 2809 } else { 2810 CmdArgs.push_back("-dynamic-linker"); 2811 CmdArgs.push_back("/libexec/ld-elf.so.1"); 2812 } 2813 } 2814 2815 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2816 // instruct ld in the base system to link 32-bit code. 2817 if (getToolChain().getArchName() == "i386") { 2818 CmdArgs.push_back("-m"); 2819 CmdArgs.push_back("elf_i386_fbsd"); 2820 } 2821 2822 if (Output.isPipe()) { 2823 CmdArgs.push_back("-o"); 2824 CmdArgs.push_back("-"); 2825 } else if (Output.isFilename()) { 2826 CmdArgs.push_back("-o"); 2827 CmdArgs.push_back(Output.getFilename()); 2828 } else { 2829 assert(Output.isNothing() && "Invalid output."); 2830 } 2831 2832 if (!Args.hasArg(options::OPT_nostdlib) && 2833 !Args.hasArg(options::OPT_nostartfiles)) { 2834 if (!Args.hasArg(options::OPT_shared)) { 2835 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2836 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2837 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2838 } else { 2839 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2840 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2841 } 2842 } 2843 2844 Args.AddAllArgs(CmdArgs, options::OPT_L); 2845 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2846 Args.AddAllArgs(CmdArgs, options::OPT_e); 2847 2848 for (InputInfoList::const_iterator 2849 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2850 const InputInfo &II = *it; 2851 2852 // Don't try to pass LLVM inputs to a generic gcc. 2853 if (II.getType() == types::TY_LLVMBC) 2854 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2855 << getToolChain().getTripleString(); 2856 2857 if (II.isPipe()) 2858 CmdArgs.push_back("-"); 2859 else if (II.isFilename()) 2860 CmdArgs.push_back(II.getFilename()); 2861 else 2862 II.getInputArg().renderAsInput(Args, CmdArgs); 2863 } 2864 2865 if (!Args.hasArg(options::OPT_nostdlib) && 2866 !Args.hasArg(options::OPT_nodefaultlibs)) { 2867 if (D.CCCIsCXX) { 2868 CmdArgs.push_back("-lstdc++"); 2869 CmdArgs.push_back("-lm"); 2870 } 2871 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding 2872 // the default system libraries. Just mimic this for now. 2873 CmdArgs.push_back("-lgcc"); 2874 if (Args.hasArg(options::OPT_static)) { 2875 CmdArgs.push_back("-lgcc_eh"); 2876 } else { 2877 CmdArgs.push_back("--as-needed"); 2878 CmdArgs.push_back("-lgcc_s"); 2879 CmdArgs.push_back("--no-as-needed"); 2880 } 2881 2882 if (Args.hasArg(options::OPT_pthread)) 2883 CmdArgs.push_back("-lpthread"); 2884 CmdArgs.push_back("-lc"); 2885 2886 CmdArgs.push_back("-lgcc"); 2887 if (Args.hasArg(options::OPT_static)) { 2888 CmdArgs.push_back("-lgcc_eh"); 2889 } else { 2890 CmdArgs.push_back("--as-needed"); 2891 CmdArgs.push_back("-lgcc_s"); 2892 CmdArgs.push_back("--no-as-needed"); 2893 } 2894 } 2895 2896 if (!Args.hasArg(options::OPT_nostdlib) && 2897 !Args.hasArg(options::OPT_nostartfiles)) { 2898 if (!Args.hasArg(options::OPT_shared)) 2899 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2900 else 2901 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2902 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2903 } 2904 2905 const char *Exec = 2906 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2907 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2908} 2909 2910/// DragonFly Tools 2911 2912// For now, DragonFly Assemble does just about the same as for 2913// FreeBSD, but this may change soon. 2914void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2915 Job &Dest, const InputInfo &Output, 2916 const InputInfoList &Inputs, 2917 const ArgList &Args, 2918 const char *LinkingOutput) const { 2919 ArgStringList CmdArgs; 2920 2921 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2922 // instruct as in the base system to assemble 32-bit code. 2923 if (getToolChain().getArchName() == "i386") 2924 CmdArgs.push_back("--32"); 2925 2926 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2927 options::OPT_Xassembler); 2928 2929 CmdArgs.push_back("-o"); 2930 if (Output.isPipe()) 2931 CmdArgs.push_back("-"); 2932 else 2933 CmdArgs.push_back(Output.getFilename()); 2934 2935 for (InputInfoList::const_iterator 2936 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2937 const InputInfo &II = *it; 2938 if (II.isPipe()) 2939 CmdArgs.push_back("-"); 2940 else 2941 CmdArgs.push_back(II.getFilename()); 2942 } 2943 2944 const char *Exec = 2945 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2946 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2947} 2948 2949void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, 2950 Job &Dest, const InputInfo &Output, 2951 const InputInfoList &Inputs, 2952 const ArgList &Args, 2953 const char *LinkingOutput) const { 2954 const Driver &D = getToolChain().getDriver(); 2955 ArgStringList CmdArgs; 2956 2957 if (Args.hasArg(options::OPT_static)) { 2958 CmdArgs.push_back("-Bstatic"); 2959 } else { 2960 if (Args.hasArg(options::OPT_shared)) 2961 CmdArgs.push_back("-Bshareable"); 2962 else { 2963 CmdArgs.push_back("-dynamic-linker"); 2964 CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); 2965 } 2966 } 2967 2968 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2969 // instruct ld in the base system to link 32-bit code. 2970 if (getToolChain().getArchName() == "i386") { 2971 CmdArgs.push_back("-m"); 2972 CmdArgs.push_back("elf_i386"); 2973 } 2974 2975 if (Output.isPipe()) { 2976 CmdArgs.push_back("-o"); 2977 CmdArgs.push_back("-"); 2978 } else if (Output.isFilename()) { 2979 CmdArgs.push_back("-o"); 2980 CmdArgs.push_back(Output.getFilename()); 2981 } else { 2982 assert(Output.isNothing() && "Invalid output."); 2983 } 2984 2985 if (!Args.hasArg(options::OPT_nostdlib) && 2986 !Args.hasArg(options::OPT_nostartfiles)) { 2987 if (!Args.hasArg(options::OPT_shared)) { 2988 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2989 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2990 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2991 } else { 2992 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2993 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2994 } 2995 } 2996 2997 Args.AddAllArgs(CmdArgs, options::OPT_L); 2998 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2999 Args.AddAllArgs(CmdArgs, options::OPT_e); 3000 3001 for (InputInfoList::const_iterator 3002 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3003 const InputInfo &II = *it; 3004 3005 // Don't try to pass LLVM inputs to a generic gcc. 3006 if (II.getType() == types::TY_LLVMBC) 3007 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 3008 << getToolChain().getTripleString(); 3009 3010 if (II.isPipe()) 3011 CmdArgs.push_back("-"); 3012 else if (II.isFilename()) 3013 CmdArgs.push_back(II.getFilename()); 3014 else 3015 II.getInputArg().renderAsInput(Args, CmdArgs); 3016 } 3017 3018 if (!Args.hasArg(options::OPT_nostdlib) && 3019 !Args.hasArg(options::OPT_nodefaultlibs)) { 3020 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of 3021 // rpaths 3022 CmdArgs.push_back("-L/usr/lib/gcc41"); 3023 3024 if (!Args.hasArg(options::OPT_static)) { 3025 CmdArgs.push_back("-rpath"); 3026 CmdArgs.push_back("/usr/lib/gcc41"); 3027 3028 CmdArgs.push_back("-rpath-link"); 3029 CmdArgs.push_back("/usr/lib/gcc41"); 3030 3031 CmdArgs.push_back("-rpath"); 3032 CmdArgs.push_back("/usr/lib"); 3033 3034 CmdArgs.push_back("-rpath-link"); 3035 CmdArgs.push_back("/usr/lib"); 3036 } 3037 3038 if (Args.hasArg(options::OPT_shared)) { 3039 CmdArgs.push_back("-lgcc_pic"); 3040 } else { 3041 CmdArgs.push_back("-lgcc"); 3042 } 3043 3044 3045 if (Args.hasArg(options::OPT_pthread)) 3046 CmdArgs.push_back("-lpthread"); 3047 3048 if (!Args.hasArg(options::OPT_nolibc)) { 3049 CmdArgs.push_back("-lc"); 3050 } 3051 3052 if (Args.hasArg(options::OPT_shared)) { 3053 CmdArgs.push_back("-lgcc_pic"); 3054 } else { 3055 CmdArgs.push_back("-lgcc"); 3056 } 3057 } 3058 3059 if (!Args.hasArg(options::OPT_nostdlib) && 3060 !Args.hasArg(options::OPT_nostartfiles)) { 3061 if (!Args.hasArg(options::OPT_shared)) 3062 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 3063 else 3064 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 3065 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 3066 } 3067 3068 const char *Exec = 3069 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 3070 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3071} 3072