Tools.cpp revision fb36d21960a3bd422665a961eac6ca269cd6445b
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 CmdArgs.push_back("-analyzer-check-security-syntactic"); 831 CmdArgs.push_back("-analyzer-check-objc-mem"); 832 CmdArgs.push_back("-analyzer-eagerly-assume"); 833 CmdArgs.push_back("-analyzer-check-objc-methodsigs"); 834 // Do not enable the missing -dealloc check. 835 // '-analyzer-check-objc-missing-dealloc', 836 CmdArgs.push_back("-analyzer-check-objc-unused-ivars"); 837 } 838 839 // Set the output format. The default is plist, for (lame) historical 840 // reasons. 841 CmdArgs.push_back("-analyzer-output"); 842 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 843 CmdArgs.push_back(A->getValue(Args)); 844 else 845 CmdArgs.push_back("plist"); 846 847 // Disable the presentation of standard compiler warnings when 848 // using --analyze. We only want to show static analyzer diagnostics 849 // or frontend errors. 850 CmdArgs.push_back("-w"); 851 852 // Add -Xanalyzer arguments when running as analyzer. 853 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 854 } 855 856 CheckCodeGenerationOptions(D, Args); 857 858 // Perform argument translation for LLVM backend. This 859 // takes some care in reconciling with llvm-gcc. The 860 // issue is that llvm-gcc translates these options based on 861 // the values in cc1, whereas we are processing based on 862 // the driver arguments. 863 864 // This comes from the default translation the driver + cc1 865 // would do to enable flag_pic. 866 // 867 // FIXME: Centralize this code. 868 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || 869 Args.hasArg(options::OPT_fpic) || 870 Args.hasArg(options::OPT_fPIE) || 871 Args.hasArg(options::OPT_fpie)); 872 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || 873 Args.hasArg(options::OPT_static)); 874 const char *Model = getToolChain().GetForcedPicModel(); 875 if (!Model) { 876 if (Args.hasArg(options::OPT_mdynamic_no_pic)) 877 Model = "dynamic-no-pic"; 878 else if (PICDisabled) 879 Model = "static"; 880 else if (PICEnabled) 881 Model = "pic"; 882 else 883 Model = getToolChain().GetDefaultRelocationModel(); 884 } 885 if (llvm::StringRef(Model) != "pic") { 886 CmdArgs.push_back("-mrelocation-model"); 887 CmdArgs.push_back(Model); 888 } 889 890 // Infer the __PIC__ value. 891 // 892 // FIXME: This isn't quite right on Darwin, which always sets 893 // __PIC__=2. 894 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { 895 CmdArgs.push_back("-pic-level"); 896 CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1"); 897 } 898 if (!Args.hasFlag(options::OPT_fmerge_all_constants, 899 options::OPT_fno_merge_all_constants)) 900 CmdArgs.push_back("-no-merge-all-constants"); 901 902 // LLVM Code Generator Options. 903 904 // FIXME: Set --enable-unsafe-fp-math. 905 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, 906 options::OPT_fomit_frame_pointer)) 907 CmdArgs.push_back("-mdisable-fp-elim"); 908 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 909 options::OPT_fno_zero_initialized_in_bss)) 910 CmdArgs.push_back("-mno-zero-initialized-in-bss"); 911 if (Args.hasArg(options::OPT_dA) || Args.hasArg(options::OPT_fverbose_asm)) 912 CmdArgs.push_back("-masm-verbose"); 913 if (Args.hasArg(options::OPT_fdebug_pass_structure)) { 914 CmdArgs.push_back("-mdebug-pass"); 915 CmdArgs.push_back("Structure"); 916 } 917 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { 918 CmdArgs.push_back("-mdebug-pass"); 919 CmdArgs.push_back("Arguments"); 920 } 921 922 // Enable -mconstructor-aliases except on darwin, where we have to 923 // work around a linker bug; see <rdar://problem/7651567>. 924 if (getToolChain().getTriple().getOS() != llvm::Triple::Darwin) 925 CmdArgs.push_back("-mconstructor-aliases"); 926 927 // This is a coarse approximation of what llvm-gcc actually does, both 928 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 929 // complicated ways. 930 bool AsynchronousUnwindTables = 931 Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 932 options::OPT_fno_asynchronous_unwind_tables, 933 getToolChain().IsUnwindTablesDefault() && 934 !KernelOrKext); 935 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, 936 AsynchronousUnwindTables)) 937 CmdArgs.push_back("-munwind-tables"); 938 939 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 940 CmdArgs.push_back("-mlimit-float-precision"); 941 CmdArgs.push_back(A->getValue(Args)); 942 } 943 944 // FIXME: Handle -mtune=. 945 (void) Args.hasArg(options::OPT_mtune_EQ); 946 947 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 948 CmdArgs.push_back("-mcode-model"); 949 CmdArgs.push_back(A->getValue(Args)); 950 } 951 952 // Add target specific cpu and features flags. 953 switch(getToolChain().getTriple().getArch()) { 954 default: 955 break; 956 957 case llvm::Triple::arm: 958 case llvm::Triple::thumb: 959 AddARMTargetArgs(Args, CmdArgs); 960 break; 961 962 case llvm::Triple::mips: 963 case llvm::Triple::mipsel: 964 AddMIPSTargetArgs(Args, CmdArgs); 965 break; 966 967 case llvm::Triple::x86: 968 case llvm::Triple::x86_64: 969 AddX86TargetArgs(Args, CmdArgs); 970 break; 971 } 972 973 // -fno-math-errno is default. 974 if (Args.hasFlag(options::OPT_fmath_errno, 975 options::OPT_fno_math_errno, 976 false)) 977 CmdArgs.push_back("-fmath-errno"); 978 979 Arg *Unsupported; 980 if ((Unsupported = Args.getLastArg(options::OPT_MG)) || 981 (Unsupported = Args.getLastArg(options::OPT_iframework)) || 982 (Unsupported = Args.getLastArg(options::OPT_fshort_enums))) 983 D.Diag(clang::diag::err_drv_clang_unsupported) 984 << Unsupported->getOption().getName(); 985 986 Args.AddAllArgs(CmdArgs, options::OPT_v); 987 Args.AddLastArg(CmdArgs, options::OPT_P); 988 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 989 990 // Special case debug options to only pass -g to clang. This is 991 // wrong. 992 Args.ClaimAllArgs(options::OPT_g_Group); 993 Arg *Garg = Args.getLastArg(options::OPT_g_Group); 994 if (Garg && Garg != Args.getLastArg(options::OPT_g0)) 995 CmdArgs.push_back("-g"); 996 997 Args.AddLastArg(CmdArgs, options::OPT_nostdinc); 998 Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); 999 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); 1000 1001 // Pass the path to compiler resource files. 1002 CmdArgs.push_back("-resource-dir"); 1003 CmdArgs.push_back(D.ResourceDir.c_str()); 1004 1005 // Add preprocessing options like -I, -D, etc. if we are using the 1006 // preprocessor. 1007 // 1008 // FIXME: Support -fpreprocessed 1009 types::ID InputType = Inputs[0].getType(); 1010 if (types::getPreprocessedType(InputType) != types::TY_INVALID) 1011 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); 1012 1013 // Manually translate -O to -O2 and -O4 to -O3; let clang reject 1014 // others. 1015 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 1016 if (A->getOption().matches(options::OPT_O4)) 1017 CmdArgs.push_back("-O3"); 1018 else if (A->getValue(Args)[0] == '\0') 1019 CmdArgs.push_back("-O2"); 1020 else 1021 A->render(Args, CmdArgs); 1022 } 1023 1024 Args.AddAllArgs(CmdArgs, options::OPT_W_Group); 1025 Args.AddLastArg(CmdArgs, options::OPT_pedantic); 1026 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); 1027 Args.AddLastArg(CmdArgs, options::OPT_w); 1028 1029 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 1030 // (-ansi is equivalent to -std=c89). 1031 // 1032 // If a std is supplied, only add -trigraphs if it follows the 1033 // option. 1034 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1035 if (Std->getOption().matches(options::OPT_ansi)) 1036 if (types::isCXX(InputType)) 1037 CmdArgs.push_back("-std=c++98"); 1038 else 1039 CmdArgs.push_back("-std=c89"); 1040 else 1041 Std->render(Args, CmdArgs); 1042 1043 if (Arg *A = Args.getLastArg(options::OPT_trigraphs)) 1044 if (A->getIndex() > Std->getIndex()) 1045 A->render(Args, CmdArgs); 1046 } else { 1047 // Honor -std-default. 1048 // 1049 // FIXME: Clang doesn't correctly handle -std= when the input language 1050 // doesn't match. For the time being just ignore this for C++ inputs; 1051 // eventually we want to do all the standard defaulting here instead of 1052 // splitting it between the driver and clang -cc1. 1053 if (!types::isCXX(InputType)) 1054 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1055 "-std=", /*Joined=*/true); 1056 Args.AddLastArg(CmdArgs, options::OPT_trigraphs); 1057 } 1058 1059 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { 1060 CmdArgs.push_back("-ftemplate-depth"); 1061 CmdArgs.push_back(A->getValue(Args)); 1062 } 1063 1064 if (Args.hasArg(options::OPT__relocatable_pch)) 1065 CmdArgs.push_back("-relocatable-pch"); 1066 1067 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 1068 CmdArgs.push_back("-fconstant-string-class"); 1069 CmdArgs.push_back(A->getValue(Args)); 1070 } 1071 1072 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { 1073 CmdArgs.push_back("-ftabstop"); 1074 CmdArgs.push_back(A->getValue(Args)); 1075 } 1076 1077 CmdArgs.push_back("-ferror-limit"); 1078 if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ)) 1079 CmdArgs.push_back(A->getValue(Args)); 1080 else 1081 CmdArgs.push_back("19"); 1082 1083 // Pass -fmessage-length=. 1084 CmdArgs.push_back("-fmessage-length"); 1085 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { 1086 CmdArgs.push_back(A->getValue(Args)); 1087 } else { 1088 // If -fmessage-length=N was not specified, determine whether this is a 1089 // terminal and, if so, implicitly define -fmessage-length appropriately. 1090 unsigned N = llvm::sys::Process::StandardErrColumns(); 1091 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(N))); 1092 } 1093 1094 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) { 1095 CmdArgs.push_back("-fvisibility"); 1096 CmdArgs.push_back(A->getValue(Args)); 1097 } 1098 1099 // -fhosted is default. 1100 if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding, 1101 options::OPT_fhosted, 1102 false)) 1103 CmdArgs.push_back("-ffreestanding"); 1104 1105 // Forward -f (flag) options which we can pass directly. 1106 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior); 1107 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 1108 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 1109 1110 // -flax-vector-conversions is default. 1111 if (!Args.hasFlag(options::OPT_flax_vector_conversions, 1112 options::OPT_fno_lax_vector_conversions)) 1113 CmdArgs.push_back("-fno-lax-vector-conversions"); 1114 1115 // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only 1116 // takes precedence. 1117 const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only); 1118 if (!GCArg) 1119 GCArg = Args.getLastArg(options::OPT_fobjc_gc); 1120 if (GCArg) { 1121 if (getToolChain().SupportsObjCGC()) { 1122 GCArg->render(Args, CmdArgs); 1123 } else { 1124 // FIXME: We should move this to a hard error. 1125 D.Diag(clang::diag::warn_drv_objc_gc_unsupported) 1126 << GCArg->getAsString(Args); 1127 } 1128 } 1129 1130 Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics); 1131 Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); 1132 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 1133 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 1134 Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 1135 Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 1136 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 1137 1138 Args.AddLastArg(CmdArgs, options::OPT_pthread); 1139 1140 // -stack-protector=0 is default. 1141 unsigned StackProtectorLevel = 0; 1142 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 1143 options::OPT_fstack_protector_all, 1144 options::OPT_fstack_protector)) { 1145 if (A->getOption().matches(options::OPT_fstack_protector)) 1146 StackProtectorLevel = 1; 1147 else if (A->getOption().matches(options::OPT_fstack_protector_all)) 1148 StackProtectorLevel = 2; 1149 } else 1150 StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel(); 1151 if (StackProtectorLevel) { 1152 CmdArgs.push_back("-stack-protector"); 1153 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); 1154 } 1155 1156 // Forward -f options with positive and negative forms; we translate 1157 // these by hand. 1158 1159 // -fbuiltin is default. 1160 if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) 1161 CmdArgs.push_back("-fno-builtin"); 1162 1163 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1164 options::OPT_fno_assume_sane_operator_new)) 1165 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1166 1167 // -fblocks=0 is default. 1168 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, 1169 getToolChain().IsBlocksDefault())) { 1170 CmdArgs.push_back("-fblocks"); 1171 } 1172 1173 // -faccess-control is default. 1174 if (Args.hasFlag(options::OPT_fno_access_control, 1175 options::OPT_faccess_control, 1176 false)) 1177 CmdArgs.push_back("-fno-access-control"); 1178 1179 // -fexceptions=0 is default. 1180 if (needsExceptions(Args, InputType, getToolChain().getTriple())) 1181 CmdArgs.push_back("-fexceptions"); 1182 1183 if (getToolChain().UseSjLjExceptions()) 1184 CmdArgs.push_back("-fsjlj-exceptions"); 1185 1186 // -frtti is default. 1187 if (KernelOrKext || 1188 !Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) 1189 CmdArgs.push_back("-fno-rtti"); 1190 1191 // -fsigned-char is default. 1192 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char, 1193 isSignedCharDefault(getToolChain().getTriple()))) 1194 CmdArgs.push_back("-fno-signed-char"); 1195 1196 // -fthreadsafe-static is default. 1197 if (!Args.hasFlag(options::OPT_fthreadsafe_statics, 1198 options::OPT_fno_threadsafe_statics)) 1199 CmdArgs.push_back("-fno-threadsafe-statics"); 1200 1201 // -fuse-cxa-atexit is default. 1202 if (KernelOrKext || !Args.hasFlag(options::OPT_fuse_cxa_atexit, 1203 options::OPT_fno_use_cxa_atexit)) 1204 CmdArgs.push_back("-fno-use-cxa-atexit"); 1205 1206 // -fms-extensions=0 is default. 1207 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, 1208 getToolChain().getTriple().getOS() == llvm::Triple::Win32)) 1209 CmdArgs.push_back("-fms-extensions"); 1210 1211 // -fnext-runtime is default. 1212 if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, 1213 getToolChain().getTriple().getOS() == llvm::Triple::Darwin)) 1214 CmdArgs.push_back("-fgnu-runtime"); 1215 1216 // -fobjc-nonfragile-abi=0 is default. 1217 if (types::isObjC(InputType)) { 1218 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) || 1219 getToolChain().IsObjCNonFragileABIDefault()) { 1220 CmdArgs.push_back("-fobjc-nonfragile-abi"); 1221 1222 // -fobjc-legacy-dispatch is only relevant with the nonfragile-abi, and 1223 // defaults to off. 1224 if (Args.hasFlag(options::OPT_fobjc_legacy_dispatch, 1225 options::OPT_fno_objc_legacy_dispatch, 1226 getToolChain().IsObjCLegacyDispatchDefault())) 1227 CmdArgs.push_back("-fobjc-legacy-dispatch"); 1228 } 1229 } 1230 1231 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1232 options::OPT_fno_assume_sane_operator_new)) 1233 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1234 1235 // -fshort-wchar default varies depending on platform; only 1236 // pass if specified. 1237 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) { 1238 if (A->getOption().matches(options::OPT_fshort_wchar)) 1239 CmdArgs.push_back("-fshort-wchar"); 1240 } 1241 1242 // -fno-pascal-strings is default, only pass non-default. If the tool chain 1243 // happened to translate to -mpascal-strings, we want to back translate here. 1244 // 1245 // FIXME: This is gross; that translation should be pulled from the 1246 // tool chain. 1247 if (Args.hasFlag(options::OPT_fpascal_strings, 1248 options::OPT_fno_pascal_strings, 1249 false) || 1250 Args.hasFlag(options::OPT_mpascal_strings, 1251 options::OPT_mno_pascal_strings, 1252 false)) 1253 CmdArgs.push_back("-fpascal-strings"); 1254 1255 // -fcommon is default, only pass non-default. 1256 if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) 1257 CmdArgs.push_back("-fno-common"); 1258 1259 // -fsigned-bitfields is default, and clang doesn't yet support 1260 // --funsigned-bitfields. 1261 if (!Args.hasFlag(options::OPT_fsigned_bitfields, 1262 options::OPT_funsigned_bitfields)) 1263 D.Diag(clang::diag::warn_drv_clang_unsupported) 1264 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 1265 1266 // -fdiagnostics-fixit-info is default, only pass non-default. 1267 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 1268 options::OPT_fno_diagnostics_fixit_info)) 1269 CmdArgs.push_back("-fno-diagnostics-fixit-info"); 1270 1271 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary); 1272 1273 // Enable -fdiagnostics-show-option by default. 1274 if (Args.hasFlag(options::OPT_fdiagnostics_show_option, 1275 options::OPT_fno_diagnostics_show_option)) 1276 CmdArgs.push_back("-fdiagnostics-show-option"); 1277 1278 // Color diagnostics are the default, unless the terminal doesn't support 1279 // them. 1280 if (Args.hasFlag(options::OPT_fcolor_diagnostics, 1281 options::OPT_fno_color_diagnostics) && 1282 llvm::sys::Process::StandardErrHasColors()) 1283 CmdArgs.push_back("-fcolor-diagnostics"); 1284 1285 if (!Args.hasFlag(options::OPT_fshow_source_location, 1286 options::OPT_fno_show_source_location)) 1287 CmdArgs.push_back("-fno-show-source-location"); 1288 1289 // -fdollars-in-identifiers default varies depending on platform and 1290 // language; only pass if specified. 1291 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 1292 options::OPT_fno_dollars_in_identifiers)) { 1293 if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 1294 CmdArgs.push_back("-fdollars-in-identifiers"); 1295 else 1296 CmdArgs.push_back("-fno-dollars-in-identifiers"); 1297 } 1298 1299 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 1300 // practical purposes. 1301 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 1302 options::OPT_fno_unit_at_a_time)) { 1303 if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 1304 D.Diag(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args); 1305 } 1306 1307 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. 1308 // 1309 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941. 1310#if 0 1311 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1312 (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1313 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) { 1314 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1315 CmdArgs.push_back("-fno-builtin-strcat"); 1316 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1317 CmdArgs.push_back("-fno-builtin-strcpy"); 1318 } 1319#endif 1320 1321 if (Arg *A = Args.getLastArg(options::OPT_traditional, 1322 options::OPT_traditional_cpp)) 1323 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1324 1325 Args.AddLastArg(CmdArgs, options::OPT_dM); 1326 Args.AddLastArg(CmdArgs, options::OPT_dD); 1327 1328 // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option 1329 // parser. 1330 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 1331 for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm), 1332 ie = Args.filtered_end(); it != ie; ++it) { 1333 it->claim(); 1334 1335 // We translate this by hand to the -cc1 argument, since nightly test uses 1336 // it and developers have been trained to spell it with -mllvm. 1337 if (llvm::StringRef(it->getValue(Args, 0)) == "-disable-llvm-optzns") 1338 CmdArgs.push_back("-disable-llvm-optzns"); 1339 else 1340 it->render(Args, CmdArgs); 1341 } 1342 1343 if (Output.getType() == types::TY_Dependencies) { 1344 // Handled with other dependency code. 1345 } else if (Output.isPipe()) { 1346 CmdArgs.push_back("-o"); 1347 CmdArgs.push_back("-"); 1348 } else if (Output.isFilename()) { 1349 CmdArgs.push_back("-o"); 1350 CmdArgs.push_back(Output.getFilename()); 1351 } else { 1352 assert(Output.isNothing() && "Invalid output."); 1353 } 1354 1355 for (InputInfoList::const_iterator 1356 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1357 const InputInfo &II = *it; 1358 CmdArgs.push_back("-x"); 1359 CmdArgs.push_back(types::getTypeName(II.getType())); 1360 if (II.isPipe()) 1361 CmdArgs.push_back("-"); 1362 else if (II.isFilename()) 1363 CmdArgs.push_back(II.getFilename()); 1364 else 1365 II.getInputArg().renderAsInput(Args, CmdArgs); 1366 } 1367 1368 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1369 1370 const char *Exec = 1371 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1372 1373 // Optionally embed the -cc1 level arguments into the debug info, for build 1374 // analysis. 1375 if (getToolChain().UseDwarfDebugFlags()) { 1376 llvm::SmallString<256> Flags; 1377 Flags += Exec; 1378 for (unsigned i = 0, e = CmdArgs.size(); i != e; ++i) { 1379 Flags += " "; 1380 Flags += CmdArgs[i]; 1381 } 1382 CmdArgs.push_back("-dwarf-debug-flags"); 1383 CmdArgs.push_back(Args.MakeArgString(Flags.str())); 1384 } 1385 1386 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1387 1388 // Explicitly warn that these options are unsupported, even though 1389 // we are allowing compilation to continue. 1390 for (arg_iterator it = Args.filtered_begin(options::OPT_pg), 1391 ie = Args.filtered_end(); it != ie; ++it) { 1392 it->claim(); 1393 D.Diag(clang::diag::warn_drv_clang_unsupported) << it->getAsString(Args); 1394 } 1395 1396 // Claim some arguments which clang supports automatically. 1397 1398 // -fpch-preprocess is used with gcc to add a special marker in the output to 1399 // include the PCH file. Clang's PTH solution is completely transparent, so we 1400 // do not need to deal with it at all. 1401 Args.ClaimAllArgs(options::OPT_fpch_preprocess); 1402 1403 // Claim some arguments which clang doesn't support, but we don't 1404 // care to warn the user about. 1405 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); 1406 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); 1407} 1408 1409void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 1410 Job &Dest, 1411 const InputInfo &Output, 1412 const InputInfoList &Inputs, 1413 const ArgList &Args, 1414 const char *LinkingOutput) const { 1415 const Driver &D = getToolChain().getDriver(); 1416 ArgStringList CmdArgs; 1417 1418 for (ArgList::const_iterator 1419 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 1420 Arg *A = *it; 1421 if (A->getOption().hasForwardToGCC()) { 1422 // It is unfortunate that we have to claim here, as this means 1423 // we will basically never report anything interesting for 1424 // platforms using a generic gcc, even if we are just using gcc 1425 // to get to the assembler. 1426 A->claim(); 1427 A->render(Args, CmdArgs); 1428 } 1429 } 1430 1431 RenderExtraToolArgs(JA, CmdArgs); 1432 1433 // If using a driver driver, force the arch. 1434 const std::string &Arch = getToolChain().getArchName(); 1435 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) { 1436 CmdArgs.push_back("-arch"); 1437 1438 // FIXME: Remove these special cases. 1439 if (Arch == "powerpc") 1440 CmdArgs.push_back("ppc"); 1441 else if (Arch == "powerpc64") 1442 CmdArgs.push_back("ppc64"); 1443 else 1444 CmdArgs.push_back(Args.MakeArgString(Arch)); 1445 } 1446 1447 // Try to force gcc to match the tool chain we want, if we recognize 1448 // the arch. 1449 // 1450 // FIXME: The triple class should directly provide the information we want 1451 // here. 1452 if (Arch == "i386" || Arch == "powerpc") 1453 CmdArgs.push_back("-m32"); 1454 else if (Arch == "x86_64" || Arch == "powerpc64") 1455 CmdArgs.push_back("-m64"); 1456 1457 if (Output.isPipe()) { 1458 CmdArgs.push_back("-o"); 1459 CmdArgs.push_back("-"); 1460 } else if (Output.isFilename()) { 1461 CmdArgs.push_back("-o"); 1462 CmdArgs.push_back(Output.getFilename()); 1463 } else { 1464 assert(Output.isNothing() && "Unexpected output"); 1465 CmdArgs.push_back("-fsyntax-only"); 1466 } 1467 1468 1469 // Only pass -x if gcc will understand it; otherwise hope gcc 1470 // understands the suffix correctly. The main use case this would go 1471 // wrong in is for linker inputs if they happened to have an odd 1472 // suffix; really the only way to get this to happen is a command 1473 // like '-x foobar a.c' which will treat a.c like a linker input. 1474 // 1475 // FIXME: For the linker case specifically, can we safely convert 1476 // inputs into '-Wl,' options? 1477 for (InputInfoList::const_iterator 1478 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1479 const InputInfo &II = *it; 1480 1481 // Don't try to pass LLVM or AST inputs to a generic gcc. 1482 if (II.getType() == types::TY_LLVMBC) 1483 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 1484 << getToolChain().getTripleString(); 1485 else if (II.getType() == types::TY_AST) 1486 D.Diag(clang::diag::err_drv_no_ast_support) 1487 << getToolChain().getTripleString(); 1488 1489 if (types::canTypeBeUserSpecified(II.getType())) { 1490 CmdArgs.push_back("-x"); 1491 CmdArgs.push_back(types::getTypeName(II.getType())); 1492 } 1493 1494 if (II.isPipe()) 1495 CmdArgs.push_back("-"); 1496 else if (II.isFilename()) 1497 CmdArgs.push_back(II.getFilename()); 1498 else 1499 // Don't render as input, we need gcc to do the translations. 1500 II.getInputArg().render(Args, CmdArgs); 1501 } 1502 1503 const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str(); 1504 const char *Exec = 1505 Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); 1506 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1507} 1508 1509void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, 1510 ArgStringList &CmdArgs) const { 1511 CmdArgs.push_back("-E"); 1512} 1513 1514void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA, 1515 ArgStringList &CmdArgs) const { 1516 // The type is good enough. 1517} 1518 1519void gcc::Compile::RenderExtraToolArgs(const JobAction &JA, 1520 ArgStringList &CmdArgs) const { 1521 const Driver &D = getToolChain().getDriver(); 1522 1523 // If -flto, etc. are present then make sure not to force assembly output. 1524 if (JA.getType() == types::TY_LLVMBC) 1525 CmdArgs.push_back("-c"); 1526 else { 1527 if (JA.getType() != types::TY_PP_Asm) 1528 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1529 << getTypeName(JA.getType()); 1530 1531 CmdArgs.push_back("-S"); 1532 } 1533} 1534 1535void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA, 1536 ArgStringList &CmdArgs) const { 1537 CmdArgs.push_back("-c"); 1538} 1539 1540void gcc::Link::RenderExtraToolArgs(const JobAction &JA, 1541 ArgStringList &CmdArgs) const { 1542 // The types are (hopefully) good enough. 1543} 1544 1545const char *darwin::CC1::getCC1Name(types::ID Type) const { 1546 switch (Type) { 1547 default: 1548 assert(0 && "Unexpected type for Darwin CC1 tool."); 1549 case types::TY_Asm: 1550 case types::TY_C: case types::TY_CHeader: 1551 case types::TY_PP_C: case types::TY_PP_CHeader: 1552 return "cc1"; 1553 case types::TY_ObjC: case types::TY_ObjCHeader: 1554 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 1555 return "cc1obj"; 1556 case types::TY_CXX: case types::TY_CXXHeader: 1557 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 1558 return "cc1plus"; 1559 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 1560 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 1561 return "cc1objplus"; 1562 } 1563} 1564 1565const char *darwin::CC1::getBaseInputName(const ArgList &Args, 1566 const InputInfoList &Inputs) { 1567 llvm::sys::Path P(Inputs[0].getBaseInput()); 1568 return Args.MakeArgString(P.getLast()); 1569} 1570 1571const char *darwin::CC1::getBaseInputStem(const ArgList &Args, 1572 const InputInfoList &Inputs) { 1573 const char *Str = getBaseInputName(Args, Inputs); 1574 1575 if (const char *End = strchr(Str, '.')) 1576 return Args.MakeArgString(std::string(Str, End)); 1577 1578 return Str; 1579} 1580 1581const char * 1582darwin::CC1::getDependencyFileName(const ArgList &Args, 1583 const InputInfoList &Inputs) { 1584 // FIXME: Think about this more. 1585 std::string Res; 1586 1587 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1588 std::string Str(OutputOpt->getValue(Args)); 1589 1590 Res = Str.substr(0, Str.rfind('.')); 1591 } else 1592 Res = darwin::CC1::getBaseInputStem(Args, Inputs); 1593 1594 return Args.MakeArgString(Res + ".d"); 1595} 1596 1597void darwin::CC1::AddCC1Args(const ArgList &Args, 1598 ArgStringList &CmdArgs) const { 1599 const Driver &D = getToolChain().getDriver(); 1600 1601 CheckCodeGenerationOptions(D, Args); 1602 1603 // Derived from cc1 spec. 1604 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) && 1605 !Args.hasArg(options::OPT_mdynamic_no_pic)) 1606 CmdArgs.push_back("-fPIC"); 1607 1608 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1609 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1610 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1611 CmdArgs.push_back("-fno-builtin-strcat"); 1612 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1613 CmdArgs.push_back("-fno-builtin-strcpy"); 1614 } 1615 1616 // gcc has some code here to deal with when no -mmacosx-version-min 1617 // and no -miphoneos-version-min is present, but this never happens 1618 // due to tool chain specific argument translation. 1619 1620 if (Args.hasArg(options::OPT_g_Flag) && 1621 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols)) 1622 CmdArgs.push_back("-feliminate-unused-debug-symbols"); 1623} 1624 1625void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1626 const InputInfoList &Inputs, 1627 const ArgStringList &OutputArgs) const { 1628 const Driver &D = getToolChain().getDriver(); 1629 1630 // Derived from cc1_options spec. 1631 if (Args.hasArg(options::OPT_fast) || 1632 Args.hasArg(options::OPT_fastf) || 1633 Args.hasArg(options::OPT_fastcp)) 1634 CmdArgs.push_back("-O3"); 1635 1636 if (Arg *A = Args.getLastArg(options::OPT_pg)) 1637 if (Args.hasArg(options::OPT_fomit_frame_pointer)) 1638 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1639 << A->getAsString(Args) << "-fomit-frame-pointer"; 1640 1641 AddCC1Args(Args, CmdArgs); 1642 1643 if (!Args.hasArg(options::OPT_Q)) 1644 CmdArgs.push_back("-quiet"); 1645 1646 CmdArgs.push_back("-dumpbase"); 1647 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 1648 1649 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1650 1651 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1652 Args.AddAllArgs(CmdArgs, options::OPT_a_Group); 1653 1654 // FIXME: The goal is to use the user provided -o if that is our 1655 // final output, otherwise to drive from the original input 1656 // name. Find a clean way to go about this. 1657 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 1658 Args.hasArg(options::OPT_o)) { 1659 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 1660 CmdArgs.push_back("-auxbase-strip"); 1661 CmdArgs.push_back(OutputOpt->getValue(Args)); 1662 } else { 1663 CmdArgs.push_back("-auxbase"); 1664 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs)); 1665 } 1666 1667 Args.AddAllArgs(CmdArgs, options::OPT_g_Group); 1668 1669 Args.AddAllArgs(CmdArgs, options::OPT_O); 1670 // FIXME: -Wall is getting some special treatment. Investigate. 1671 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1672 Args.AddLastArg(CmdArgs, options::OPT_w); 1673 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1674 options::OPT_trigraphs); 1675 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1676 // Honor -std-default. 1677 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1678 "-std=", /*Joined=*/true); 1679 } 1680 1681 if (Args.hasArg(options::OPT_v)) 1682 CmdArgs.push_back("-version"); 1683 if (Args.hasArg(options::OPT_pg)) 1684 CmdArgs.push_back("-p"); 1685 Args.AddLastArg(CmdArgs, options::OPT_p); 1686 1687 // The driver treats -fsyntax-only specially. 1688 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1689 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1690 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are 1691 // used to inhibit the default -fno-builtin-str{cat,cpy}. 1692 // 1693 // FIXME: Should we grow a better way to deal with "removing" args? 1694 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group, 1695 options::OPT_fsyntax_only), 1696 ie = Args.filtered_end(); it != ie; ++it) { 1697 if (!it->getOption().matches(options::OPT_fbuiltin_strcat) && 1698 !it->getOption().matches(options::OPT_fbuiltin_strcpy)) { 1699 it->claim(); 1700 it->render(Args, CmdArgs); 1701 } 1702 } 1703 } else 1704 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1705 1706 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1707 if (Args.hasArg(options::OPT_Qn)) 1708 CmdArgs.push_back("-fno-ident"); 1709 1710 // FIXME: This isn't correct. 1711 //Args.AddLastArg(CmdArgs, options::OPT__help) 1712 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp) 1713 1714 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1715 1716 // FIXME: Still don't get what is happening here. Investigate. 1717 Args.AddAllArgs(CmdArgs, options::OPT__param); 1718 1719 if (Args.hasArg(options::OPT_fmudflap) || 1720 Args.hasArg(options::OPT_fmudflapth)) { 1721 CmdArgs.push_back("-fno-builtin"); 1722 CmdArgs.push_back("-fno-merge-constants"); 1723 } 1724 1725 if (Args.hasArg(options::OPT_coverage)) { 1726 CmdArgs.push_back("-fprofile-arcs"); 1727 CmdArgs.push_back("-ftest-coverage"); 1728 } 1729 1730 if (types::isCXX(Inputs[0].getType())) 1731 CmdArgs.push_back("-D__private_extern__=extern"); 1732} 1733 1734void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1735 const InputInfoList &Inputs, 1736 const ArgStringList &OutputArgs) const { 1737 // Derived from cpp_options 1738 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1739 1740 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1741 1742 AddCC1Args(Args, CmdArgs); 1743 1744 // NOTE: The code below has some commonality with cpp_options, but 1745 // in classic gcc style ends up sending things in different 1746 // orders. This may be a good merge candidate once we drop pedantic 1747 // compatibility. 1748 1749 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1750 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1751 options::OPT_trigraphs); 1752 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1753 // Honor -std-default. 1754 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1755 "-std=", /*Joined=*/true); 1756 } 1757 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1758 Args.AddLastArg(CmdArgs, options::OPT_w); 1759 1760 // The driver treats -fsyntax-only specially. 1761 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1762 1763 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) && 1764 !Args.hasArg(options::OPT_fno_working_directory)) 1765 CmdArgs.push_back("-fworking-directory"); 1766 1767 Args.AddAllArgs(CmdArgs, options::OPT_O); 1768 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1769 if (Args.hasArg(options::OPT_save_temps)) 1770 CmdArgs.push_back("-fpch-preprocess"); 1771} 1772 1773void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args, 1774 ArgStringList &CmdArgs, 1775 const InputInfoList &Inputs) const { 1776 const Driver &D = getToolChain().getDriver(); 1777 1778 CheckPreprocessingOptions(D, Args); 1779 1780 // Derived from cpp_unique_options. 1781 // -{C,CC} only with -E is checked in CheckPreprocessingOptions(). 1782 Args.AddLastArg(CmdArgs, options::OPT_C); 1783 Args.AddLastArg(CmdArgs, options::OPT_CC); 1784 if (!Args.hasArg(options::OPT_Q)) 1785 CmdArgs.push_back("-quiet"); 1786 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc); 1787 Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx); 1788 Args.AddLastArg(CmdArgs, options::OPT_v); 1789 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 1790 Args.AddLastArg(CmdArgs, options::OPT_P); 1791 1792 // FIXME: Handle %I properly. 1793 if (getToolChain().getArchName() == "x86_64") { 1794 CmdArgs.push_back("-imultilib"); 1795 CmdArgs.push_back("x86_64"); 1796 } 1797 1798 if (Args.hasArg(options::OPT_MD)) { 1799 CmdArgs.push_back("-MD"); 1800 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1801 } 1802 1803 if (Args.hasArg(options::OPT_MMD)) { 1804 CmdArgs.push_back("-MMD"); 1805 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1806 } 1807 1808 Args.AddLastArg(CmdArgs, options::OPT_M); 1809 Args.AddLastArg(CmdArgs, options::OPT_MM); 1810 Args.AddAllArgs(CmdArgs, options::OPT_MF); 1811 Args.AddLastArg(CmdArgs, options::OPT_MG); 1812 Args.AddLastArg(CmdArgs, options::OPT_MP); 1813 Args.AddAllArgs(CmdArgs, options::OPT_MQ); 1814 Args.AddAllArgs(CmdArgs, options::OPT_MT); 1815 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) && 1816 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) { 1817 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1818 CmdArgs.push_back("-MQ"); 1819 CmdArgs.push_back(OutputOpt->getValue(Args)); 1820 } 1821 } 1822 1823 Args.AddLastArg(CmdArgs, options::OPT_remap); 1824 if (Args.hasArg(options::OPT_g3)) 1825 CmdArgs.push_back("-dD"); 1826 Args.AddLastArg(CmdArgs, options::OPT_H); 1827 1828 AddCPPArgs(Args, CmdArgs); 1829 1830 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A); 1831 Args.AddAllArgs(CmdArgs, options::OPT_i_Group); 1832 1833 for (InputInfoList::const_iterator 1834 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1835 const InputInfo &II = *it; 1836 1837 if (II.isPipe()) 1838 CmdArgs.push_back("-"); 1839 else 1840 CmdArgs.push_back(II.getFilename()); 1841 } 1842 1843 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 1844 options::OPT_Xpreprocessor); 1845 1846 if (Args.hasArg(options::OPT_fmudflap)) { 1847 CmdArgs.push_back("-D_MUDFLAP"); 1848 CmdArgs.push_back("-include"); 1849 CmdArgs.push_back("mf-runtime.h"); 1850 } 1851 1852 if (Args.hasArg(options::OPT_fmudflapth)) { 1853 CmdArgs.push_back("-D_MUDFLAP"); 1854 CmdArgs.push_back("-D_MUDFLAPTH"); 1855 CmdArgs.push_back("-include"); 1856 CmdArgs.push_back("mf-runtime.h"); 1857 } 1858} 1859 1860void darwin::CC1::AddCPPArgs(const ArgList &Args, 1861 ArgStringList &CmdArgs) const { 1862 // Derived from cpp spec. 1863 1864 if (Args.hasArg(options::OPT_static)) { 1865 // The gcc spec is broken here, it refers to dynamic but 1866 // that has been translated. Start by being bug compatible. 1867 1868 // if (!Args.hasArg(arglist.parser.dynamicOption)) 1869 CmdArgs.push_back("-D__STATIC__"); 1870 } else 1871 CmdArgs.push_back("-D__DYNAMIC__"); 1872 1873 if (Args.hasArg(options::OPT_pthread)) 1874 CmdArgs.push_back("-D_REENTRANT"); 1875} 1876 1877void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA, 1878 Job &Dest, const InputInfo &Output, 1879 const InputInfoList &Inputs, 1880 const ArgList &Args, 1881 const char *LinkingOutput) const { 1882 ArgStringList CmdArgs; 1883 1884 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1885 1886 CmdArgs.push_back("-E"); 1887 1888 if (Args.hasArg(options::OPT_traditional) || 1889 Args.hasArg(options::OPT_traditional_cpp)) 1890 CmdArgs.push_back("-traditional-cpp"); 1891 1892 ArgStringList OutputArgs; 1893 if (Output.isFilename()) { 1894 OutputArgs.push_back("-o"); 1895 OutputArgs.push_back(Output.getFilename()); 1896 } else { 1897 assert(Output.isPipe() && "Unexpected CC1 output."); 1898 } 1899 1900 if (Args.hasArg(options::OPT_E)) { 1901 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1902 } else { 1903 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1904 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1905 } 1906 1907 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1908 1909 const char *CC1Name = getCC1Name(Inputs[0].getType()); 1910 const char *Exec = 1911 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 1912 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1913} 1914 1915void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, 1916 Job &Dest, const InputInfo &Output, 1917 const InputInfoList &Inputs, 1918 const ArgList &Args, 1919 const char *LinkingOutput) const { 1920 const Driver &D = getToolChain().getDriver(); 1921 ArgStringList CmdArgs; 1922 1923 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1924 1925 types::ID InputType = Inputs[0].getType(); 1926 const Arg *A; 1927 if ((A = Args.getLastArg(options::OPT_traditional))) 1928 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 1929 << A->getAsString(Args) << "-E"; 1930 1931 if (Output.getType() == types::TY_LLVMAsm) 1932 CmdArgs.push_back("-emit-llvm"); 1933 else if (Output.getType() == types::TY_LLVMBC) 1934 CmdArgs.push_back("-emit-llvm-bc"); 1935 else if (Output.getType() == types::TY_AST) 1936 D.Diag(clang::diag::err_drv_no_ast_support) 1937 << getToolChain().getTripleString(); 1938 else if (JA.getType() != types::TY_PP_Asm && 1939 JA.getType() != types::TY_PCH) 1940 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1941 << getTypeName(JA.getType()); 1942 1943 ArgStringList OutputArgs; 1944 if (Output.getType() != types::TY_PCH) { 1945 OutputArgs.push_back("-o"); 1946 if (Output.isPipe()) 1947 OutputArgs.push_back("-"); 1948 else if (Output.isNothing()) 1949 OutputArgs.push_back("/dev/null"); 1950 else 1951 OutputArgs.push_back(Output.getFilename()); 1952 } 1953 1954 // There is no need for this level of compatibility, but it makes 1955 // diffing easier. 1956 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) || 1957 Args.hasArg(options::OPT_S)); 1958 1959 if (types::getPreprocessedType(InputType) != types::TY_INVALID) { 1960 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1961 if (OutputArgsEarly) { 1962 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1963 } else { 1964 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1965 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1966 } 1967 } else { 1968 CmdArgs.push_back("-fpreprocessed"); 1969 1970 for (InputInfoList::const_iterator 1971 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1972 const InputInfo &II = *it; 1973 1974 // Reject AST inputs. 1975 if (II.getType() == types::TY_AST) { 1976 D.Diag(clang::diag::err_drv_no_ast_support) 1977 << getToolChain().getTripleString(); 1978 return; 1979 } 1980 1981 if (II.isPipe()) 1982 CmdArgs.push_back("-"); 1983 else 1984 CmdArgs.push_back(II.getFilename()); 1985 } 1986 1987 if (OutputArgsEarly) { 1988 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1989 } else { 1990 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1991 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1992 } 1993 } 1994 1995 if (Output.getType() == types::TY_PCH) { 1996 assert(Output.isFilename() && "Invalid PCH output."); 1997 1998 CmdArgs.push_back("-o"); 1999 // NOTE: gcc uses a temp .s file for this, but there doesn't seem 2000 // to be a good reason. 2001 CmdArgs.push_back("/dev/null"); 2002 2003 CmdArgs.push_back("--output-pch="); 2004 CmdArgs.push_back(Output.getFilename()); 2005 } 2006 2007 const char *CC1Name = getCC1Name(Inputs[0].getType()); 2008 const char *Exec = 2009 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 2010 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2011} 2012 2013void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2014 Job &Dest, const InputInfo &Output, 2015 const InputInfoList &Inputs, 2016 const ArgList &Args, 2017 const char *LinkingOutput) const { 2018 ArgStringList CmdArgs; 2019 2020 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 2021 const InputInfo &Input = Inputs[0]; 2022 2023 // Bit of a hack, this is only used for original inputs. 2024 // 2025 // FIXME: This is broken for preprocessed .s inputs. 2026 if (Input.isFilename() && 2027 strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { 2028 if (Args.hasArg(options::OPT_gstabs)) 2029 CmdArgs.push_back("--gstabs"); 2030 else if (Args.hasArg(options::OPT_g_Group)) 2031 CmdArgs.push_back("--gdwarf2"); 2032 } 2033 2034 // Derived from asm spec. 2035 AddDarwinArch(Args, CmdArgs); 2036 2037 if (!getDarwinToolChain().isTargetIPhoneOS() || 2038 Args.hasArg(options::OPT_force__cpusubtype__ALL)) 2039 CmdArgs.push_back("-force_cpusubtype_ALL"); 2040 2041 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 && 2042 (Args.hasArg(options::OPT_mkernel) || 2043 Args.hasArg(options::OPT_static) || 2044 Args.hasArg(options::OPT_fapple_kext))) 2045 CmdArgs.push_back("-static"); 2046 2047 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2048 options::OPT_Xassembler); 2049 2050 assert(Output.isFilename() && "Unexpected lipo output."); 2051 CmdArgs.push_back("-o"); 2052 CmdArgs.push_back(Output.getFilename()); 2053 2054 if (Input.isPipe()) { 2055 CmdArgs.push_back("-"); 2056 } else { 2057 assert(Input.isFilename() && "Invalid input."); 2058 CmdArgs.push_back(Input.getFilename()); 2059 } 2060 2061 // asm_final spec is empty. 2062 2063 const char *Exec = 2064 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2065 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2066} 2067 2068/// Helper routine for seeing if we should use dsymutil; this is a 2069/// gcc compatible hack, we should remove it and use the input 2070/// type information. 2071static bool isSourceSuffix(const char *Str) { 2072 // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm', 2073 // 'mm'. 2074 return llvm::StringSwitch<bool>(Str) 2075 .Case("C", true) 2076 .Case("c", true) 2077 .Case("m", true) 2078 .Case("cc", true) 2079 .Case("cp", true) 2080 .Case("mm", true) 2081 .Case("CPP", true) 2082 .Case("c++", true) 2083 .Case("cpp", true) 2084 .Case("cxx", true) 2085 .Default(false); 2086} 2087 2088void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, 2089 ArgStringList &CmdArgs) const { 2090 llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args); 2091 2092 // Derived from darwin_arch spec. 2093 CmdArgs.push_back("-arch"); 2094 CmdArgs.push_back(Args.MakeArgString(ArchName)); 2095 2096 // FIXME: Is this needed anymore? 2097 if (ArchName == "arm") 2098 CmdArgs.push_back("-force_cpusubtype_ALL"); 2099} 2100 2101void darwin::Link::AddLinkArgs(const ArgList &Args, 2102 ArgStringList &CmdArgs) const { 2103 const Driver &D = getToolChain().getDriver(); 2104 2105 // Derived from the "link" spec. 2106 Args.AddAllArgs(CmdArgs, options::OPT_static); 2107 if (!Args.hasArg(options::OPT_static)) 2108 CmdArgs.push_back("-dynamic"); 2109 if (Args.hasArg(options::OPT_fgnu_runtime)) { 2110 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu 2111 // here. How do we wish to handle such things? 2112 } 2113 2114 if (!Args.hasArg(options::OPT_dynamiclib)) { 2115 AddDarwinArch(Args, CmdArgs); 2116 // FIXME: Why do this only on this path? 2117 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL); 2118 2119 Args.AddLastArg(CmdArgs, options::OPT_bundle); 2120 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); 2121 Args.AddAllArgs(CmdArgs, options::OPT_client__name); 2122 2123 Arg *A; 2124 if ((A = Args.getLastArg(options::OPT_compatibility__version)) || 2125 (A = Args.getLastArg(options::OPT_current__version)) || 2126 (A = Args.getLastArg(options::OPT_install__name))) 2127 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2128 << A->getAsString(Args) << "-dynamiclib"; 2129 2130 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); 2131 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); 2132 Args.AddLastArg(CmdArgs, options::OPT_private__bundle); 2133 } else { 2134 CmdArgs.push_back("-dylib"); 2135 2136 Arg *A; 2137 if ((A = Args.getLastArg(options::OPT_bundle)) || 2138 (A = Args.getLastArg(options::OPT_bundle__loader)) || 2139 (A = Args.getLastArg(options::OPT_client__name)) || 2140 (A = Args.getLastArg(options::OPT_force__flat__namespace)) || 2141 (A = Args.getLastArg(options::OPT_keep__private__externs)) || 2142 (A = Args.getLastArg(options::OPT_private__bundle))) 2143 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 2144 << A->getAsString(Args) << "-dynamiclib"; 2145 2146 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, 2147 "-dylib_compatibility_version"); 2148 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, 2149 "-dylib_current_version"); 2150 2151 AddDarwinArch(Args, CmdArgs); 2152 2153 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, 2154 "-dylib_install_name"); 2155 } 2156 2157 Args.AddLastArg(CmdArgs, options::OPT_all__load); 2158 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); 2159 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); 2160 if (getDarwinToolChain().isTargetIPhoneOS()) 2161 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); 2162 Args.AddLastArg(CmdArgs, options::OPT_dead__strip); 2163 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); 2164 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); 2165 Args.AddLastArg(CmdArgs, options::OPT_dynamic); 2166 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); 2167 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); 2168 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); 2169 Args.AddAllArgs(CmdArgs, options::OPT_image__base); 2170 Args.AddAllArgs(CmdArgs, options::OPT_init); 2171 2172 // Adding all arguments doesn't make sense here but this is what gcc does. One 2173 // of this should always be present thanks to argument translation. 2174 assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) || 2175 Args.hasArg(options::OPT_miphoneos_version_min_EQ)) && 2176 "Missing version argument (lost in translation)?"); 2177 Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, 2178 "-macosx_version_min"); 2179 Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, 2180 "-iphoneos_version_min"); 2181 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); 2182 Args.AddLastArg(CmdArgs, options::OPT_multi__module); 2183 Args.AddLastArg(CmdArgs, options::OPT_single__module); 2184 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); 2185 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); 2186 2187 if (Args.hasArg(options::OPT_fpie)) 2188 CmdArgs.push_back("-pie"); 2189 2190 Args.AddLastArg(CmdArgs, options::OPT_prebind); 2191 Args.AddLastArg(CmdArgs, options::OPT_noprebind); 2192 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); 2193 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); 2194 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); 2195 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); 2196 Args.AddAllArgs(CmdArgs, options::OPT_sectorder); 2197 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); 2198 Args.AddAllArgs(CmdArgs, options::OPT_segprot); 2199 Args.AddAllArgs(CmdArgs, options::OPT_segaddr); 2200 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); 2201 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); 2202 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); 2203 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); 2204 Args.AddAllArgs(CmdArgs, options::OPT_sub__library); 2205 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); 2206 2207 Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); 2208 if (getDarwinToolChain().isTargetIPhoneOS()) { 2209 if (!Args.hasArg(options::OPT_isysroot)) { 2210 CmdArgs.push_back("-syslibroot"); 2211 CmdArgs.push_back("/Developer/SDKs/Extra"); 2212 } 2213 } 2214 2215 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); 2216 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); 2217 Args.AddAllArgs(CmdArgs, options::OPT_umbrella); 2218 Args.AddAllArgs(CmdArgs, options::OPT_undefined); 2219 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); 2220 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); 2221 Args.AddLastArg(CmdArgs, options::OPT_X_Flag); 2222 Args.AddAllArgs(CmdArgs, options::OPT_y); 2223 Args.AddLastArg(CmdArgs, options::OPT_w); 2224 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); 2225 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); 2226 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); 2227 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); 2228 Args.AddAllArgs(CmdArgs, options::OPT_sectalign); 2229 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); 2230 Args.AddAllArgs(CmdArgs, options::OPT_segcreate); 2231 Args.AddLastArg(CmdArgs, options::OPT_whyload); 2232 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); 2233 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); 2234 Args.AddLastArg(CmdArgs, options::OPT_dylinker); 2235 Args.AddLastArg(CmdArgs, options::OPT_Mach); 2236} 2237 2238void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, 2239 Job &Dest, const InputInfo &Output, 2240 const InputInfoList &Inputs, 2241 const ArgList &Args, 2242 const char *LinkingOutput) const { 2243 assert(Output.getType() == types::TY_Image && "Invalid linker output type."); 2244 2245 // The logic here is derived from gcc's behavior; most of which 2246 // comes from specs (starting with link_command). Consult gcc for 2247 // more information. 2248 ArgStringList CmdArgs; 2249 2250 // I'm not sure why this particular decomposition exists in gcc, but 2251 // we follow suite for ease of comparison. 2252 AddLinkArgs(Args, CmdArgs); 2253 2254 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); 2255 Args.AddAllArgs(CmdArgs, options::OPT_s); 2256 Args.AddAllArgs(CmdArgs, options::OPT_t); 2257 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); 2258 Args.AddAllArgs(CmdArgs, options::OPT_u_Group); 2259 Args.AddAllArgs(CmdArgs, options::OPT_A); 2260 Args.AddLastArg(CmdArgs, options::OPT_e); 2261 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate); 2262 Args.AddAllArgs(CmdArgs, options::OPT_r); 2263 2264 CmdArgs.push_back("-o"); 2265 CmdArgs.push_back(Output.getFilename()); 2266 2267 if (!Args.hasArg(options::OPT_A) && 2268 !Args.hasArg(options::OPT_nostdlib) && 2269 !Args.hasArg(options::OPT_nostartfiles)) { 2270 // Derived from startfile spec. 2271 if (Args.hasArg(options::OPT_dynamiclib)) { 2272 // Derived from darwin_dylib1 spec. 2273 if (getDarwinToolChain().isTargetIPhoneOS()) { 2274 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2275 CmdArgs.push_back("-ldylib1.o"); 2276 } else { 2277 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2278 CmdArgs.push_back("-ldylib1.o"); 2279 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2280 CmdArgs.push_back("-ldylib1.10.5.o"); 2281 } 2282 } else { 2283 if (Args.hasArg(options::OPT_bundle)) { 2284 if (!Args.hasArg(options::OPT_static)) { 2285 // Derived from darwin_bundle1 spec. 2286 if (getDarwinToolChain().isTargetIPhoneOS()) { 2287 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2288 CmdArgs.push_back("-lbundle1.o"); 2289 } else { 2290 if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2291 CmdArgs.push_back("-lbundle1.o"); 2292 } 2293 } 2294 } else { 2295 if (Args.hasArg(options::OPT_pg)) { 2296 if (Args.hasArg(options::OPT_static) || 2297 Args.hasArg(options::OPT_object) || 2298 Args.hasArg(options::OPT_preload)) { 2299 CmdArgs.push_back("-lgcrt0.o"); 2300 } else { 2301 CmdArgs.push_back("-lgcrt1.o"); 2302 2303 // darwin_crt2 spec is empty. 2304 } 2305 } else { 2306 if (Args.hasArg(options::OPT_static) || 2307 Args.hasArg(options::OPT_object) || 2308 Args.hasArg(options::OPT_preload)) { 2309 CmdArgs.push_back("-lcrt0.o"); 2310 } else { 2311 // Derived from darwin_crt1 spec. 2312 if (getDarwinToolChain().isTargetIPhoneOS()) { 2313 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2314 CmdArgs.push_back("-lcrt1.o"); 2315 else 2316 CmdArgs.push_back("-lcrt1.3.1.o"); 2317 } else { 2318 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2319 CmdArgs.push_back("-lcrt1.o"); 2320 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2321 CmdArgs.push_back("-lcrt1.10.5.o"); 2322 else 2323 CmdArgs.push_back("-lcrt1.10.6.o"); 2324 2325 // darwin_crt2 spec is empty. 2326 } 2327 } 2328 } 2329 } 2330 } 2331 2332 if (!getDarwinToolChain().isTargetIPhoneOS() && 2333 Args.hasArg(options::OPT_shared_libgcc) && 2334 getDarwinToolChain().isMacosxVersionLT(10, 5)) { 2335 const char *Str = 2336 Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o")); 2337 CmdArgs.push_back(Str); 2338 } 2339 } 2340 2341 Args.AddAllArgs(CmdArgs, options::OPT_L); 2342 2343 if (Args.hasArg(options::OPT_fopenmp)) 2344 // This is more complicated in gcc... 2345 CmdArgs.push_back("-lgomp"); 2346 2347 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); 2348 2349 for (InputInfoList::const_iterator 2350 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2351 const InputInfo &II = *it; 2352 if (II.isFilename()) 2353 CmdArgs.push_back(II.getFilename()); 2354 else 2355 II.getInputArg().renderAsInput(Args, CmdArgs); 2356 } 2357 2358 if (LinkingOutput) { 2359 CmdArgs.push_back("-arch_multiple"); 2360 CmdArgs.push_back("-final_output"); 2361 CmdArgs.push_back(LinkingOutput); 2362 } 2363 2364 if (Args.hasArg(options::OPT_fprofile_arcs) || 2365 Args.hasArg(options::OPT_fprofile_generate) || 2366 Args.hasArg(options::OPT_fcreate_profile) || 2367 Args.hasArg(options::OPT_coverage)) 2368 CmdArgs.push_back("-lgcov"); 2369 2370 if (Args.hasArg(options::OPT_fnested_functions)) 2371 CmdArgs.push_back("-allow_stack_execute"); 2372 2373 if (!Args.hasArg(options::OPT_nostdlib) && 2374 !Args.hasArg(options::OPT_nodefaultlibs)) { 2375 // FIXME: g++ is more complicated here, it tries to put -lstdc++ 2376 // before -lm, for example. 2377 if (getToolChain().getDriver().CCCIsCXX) 2378 CmdArgs.push_back("-lstdc++"); 2379 2380 // link_ssp spec is empty. 2381 2382 // Let the tool chain choose which runtime library to link. 2383 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); 2384 } 2385 2386 if (!Args.hasArg(options::OPT_A) && 2387 !Args.hasArg(options::OPT_nostdlib) && 2388 !Args.hasArg(options::OPT_nostartfiles)) { 2389 // endfile_spec is empty. 2390 } 2391 2392 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2393 Args.AddAllArgs(CmdArgs, options::OPT_F); 2394 2395 const char *Exec = 2396 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2397 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2398 2399 // Find the first non-empty base input (we want to ignore linker 2400 // inputs). 2401 const char *BaseInput = ""; 2402 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 2403 if (Inputs[i].getBaseInput()[0] != '\0') { 2404 BaseInput = Inputs[i].getBaseInput(); 2405 break; 2406 } 2407 } 2408 2409 // Run dsymutil if we are making an executable in a single step. 2410 // 2411 // FIXME: Currently we don't want to do this when we are part of a 2412 // universal build step, as this would end up creating stray temp 2413 // files. 2414 if (!LinkingOutput && 2415 Args.getLastArg(options::OPT_g_Group) && 2416 !Args.getLastArg(options::OPT_gstabs) && 2417 !Args.getLastArg(options::OPT_g0)) { 2418 // FIXME: This is gross, but matches gcc. The test only considers 2419 // the suffix (not the -x type), and then only of the first 2420 // source input. Awesome. 2421 const char *Suffix = strrchr(BaseInput, '.'); 2422 if (Suffix && isSourceSuffix(Suffix + 1)) { 2423 const char *Exec = 2424 Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); 2425 ArgStringList CmdArgs; 2426 CmdArgs.push_back(Output.getFilename()); 2427 C.getJobs().addCommand(new Command(JA, *this, Exec, CmdArgs)); 2428 } 2429 } 2430} 2431 2432void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, 2433 Job &Dest, const InputInfo &Output, 2434 const InputInfoList &Inputs, 2435 const ArgList &Args, 2436 const char *LinkingOutput) const { 2437 ArgStringList CmdArgs; 2438 2439 CmdArgs.push_back("-create"); 2440 assert(Output.isFilename() && "Unexpected lipo output."); 2441 2442 CmdArgs.push_back("-output"); 2443 CmdArgs.push_back(Output.getFilename()); 2444 2445 for (InputInfoList::const_iterator 2446 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2447 const InputInfo &II = *it; 2448 assert(II.isFilename() && "Unexpected lipo input."); 2449 CmdArgs.push_back(II.getFilename()); 2450 } 2451 const char *Exec = 2452 Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo")); 2453 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2454} 2455 2456void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2457 Job &Dest, const InputInfo &Output, 2458 const InputInfoList &Inputs, 2459 const ArgList &Args, 2460 const char *LinkingOutput) const { 2461 ArgStringList CmdArgs; 2462 2463 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2464 options::OPT_Xassembler); 2465 2466 CmdArgs.push_back("-o"); 2467 if (Output.isPipe()) 2468 CmdArgs.push_back("-"); 2469 else 2470 CmdArgs.push_back(Output.getFilename()); 2471 2472 for (InputInfoList::const_iterator 2473 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2474 const InputInfo &II = *it; 2475 if (II.isPipe()) 2476 CmdArgs.push_back("-"); 2477 else 2478 CmdArgs.push_back(II.getFilename()); 2479 } 2480 2481 const char *Exec = 2482 Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); 2483 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2484} 2485 2486void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, 2487 Job &Dest, const InputInfo &Output, 2488 const InputInfoList &Inputs, 2489 const ArgList &Args, 2490 const char *LinkingOutput) const { 2491 const Driver &D = getToolChain().getDriver(); 2492 ArgStringList CmdArgs; 2493 2494 if ((!Args.hasArg(options::OPT_nostdlib)) && 2495 (!Args.hasArg(options::OPT_shared))) { 2496 CmdArgs.push_back("-e"); 2497 CmdArgs.push_back("_start"); 2498 } 2499 2500 if (Args.hasArg(options::OPT_static)) { 2501 CmdArgs.push_back("-Bstatic"); 2502 CmdArgs.push_back("-dn"); 2503 } else { 2504// CmdArgs.push_back("--eh-frame-hdr"); 2505 CmdArgs.push_back("-Bdynamic"); 2506 if (Args.hasArg(options::OPT_shared)) { 2507 CmdArgs.push_back("-shared"); 2508 } else { 2509 CmdArgs.push_back("--dynamic-linker"); 2510 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 2511 } 2512 } 2513 2514 if (Output.isPipe()) { 2515 CmdArgs.push_back("-o"); 2516 CmdArgs.push_back("-"); 2517 } else if (Output.isFilename()) { 2518 CmdArgs.push_back("-o"); 2519 CmdArgs.push_back(Output.getFilename()); 2520 } else { 2521 assert(Output.isNothing() && "Invalid output."); 2522 } 2523 2524 if (!Args.hasArg(options::OPT_nostdlib) && 2525 !Args.hasArg(options::OPT_nostartfiles)) { 2526 if (!Args.hasArg(options::OPT_shared)) { 2527 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2528 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2529 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2530 } else { 2531 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2532 } 2533 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2534 } 2535 2536 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/" 2537 + getToolChain().getTripleString() 2538 + "/4.2.4")); 2539 2540 Args.AddAllArgs(CmdArgs, options::OPT_L); 2541 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2542 Args.AddAllArgs(CmdArgs, options::OPT_e); 2543 2544 for (InputInfoList::const_iterator 2545 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2546 const InputInfo &II = *it; 2547 2548 // Don't try to pass LLVM inputs to a generic gcc. 2549 if (II.getType() == types::TY_LLVMBC) 2550 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2551 << getToolChain().getTripleString(); 2552 2553 if (II.isPipe()) 2554 CmdArgs.push_back("-"); 2555 else if (II.isFilename()) 2556 CmdArgs.push_back(II.getFilename()); 2557 else 2558 II.getInputArg().renderAsInput(Args, CmdArgs); 2559 } 2560 2561 if (!Args.hasArg(options::OPT_nostdlib) && 2562 !Args.hasArg(options::OPT_nodefaultlibs)) { 2563 // FIXME: For some reason GCC passes -lgcc before adding 2564 // the default system libraries. Just mimic this for now. 2565 CmdArgs.push_back("-lgcc"); 2566 2567 if (Args.hasArg(options::OPT_pthread)) 2568 CmdArgs.push_back("-pthread"); 2569 if (!Args.hasArg(options::OPT_shared)) 2570 CmdArgs.push_back("-lc"); 2571 CmdArgs.push_back("-lgcc"); 2572 } 2573 2574 if (!Args.hasArg(options::OPT_nostdlib) && 2575 !Args.hasArg(options::OPT_nostartfiles)) { 2576 if (!Args.hasArg(options::OPT_shared)) 2577 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2578// else 2579// CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2580 } 2581 2582 const char *Exec = 2583 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2584 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2585} 2586 2587void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2588 Job &Dest, const InputInfo &Output, 2589 const InputInfoList &Inputs, 2590 const ArgList &Args, 2591 const char *LinkingOutput) const { 2592 ArgStringList CmdArgs; 2593 2594 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2595 options::OPT_Xassembler); 2596 2597 CmdArgs.push_back("-o"); 2598 if (Output.isPipe()) 2599 CmdArgs.push_back("-"); 2600 else 2601 CmdArgs.push_back(Output.getFilename()); 2602 2603 for (InputInfoList::const_iterator 2604 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2605 const InputInfo &II = *it; 2606 if (II.isPipe()) 2607 CmdArgs.push_back("-"); 2608 else 2609 CmdArgs.push_back(II.getFilename()); 2610 } 2611 2612 const char *Exec = 2613 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2614 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2615} 2616 2617void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2618 Job &Dest, const InputInfo &Output, 2619 const InputInfoList &Inputs, 2620 const ArgList &Args, 2621 const char *LinkingOutput) const { 2622 const Driver &D = getToolChain().getDriver(); 2623 ArgStringList CmdArgs; 2624 2625 if ((!Args.hasArg(options::OPT_nostdlib)) && 2626 (!Args.hasArg(options::OPT_shared))) { 2627 CmdArgs.push_back("-e"); 2628 CmdArgs.push_back("__start"); 2629 } 2630 2631 if (Args.hasArg(options::OPT_static)) { 2632 CmdArgs.push_back("-Bstatic"); 2633 } else { 2634 CmdArgs.push_back("--eh-frame-hdr"); 2635 CmdArgs.push_back("-Bdynamic"); 2636 if (Args.hasArg(options::OPT_shared)) { 2637 CmdArgs.push_back("-shared"); 2638 } else { 2639 CmdArgs.push_back("-dynamic-linker"); 2640 CmdArgs.push_back("/usr/libexec/ld.so"); 2641 } 2642 } 2643 2644 if (Output.isPipe()) { 2645 CmdArgs.push_back("-o"); 2646 CmdArgs.push_back("-"); 2647 } else if (Output.isFilename()) { 2648 CmdArgs.push_back("-o"); 2649 CmdArgs.push_back(Output.getFilename()); 2650 } else { 2651 assert(Output.isNothing() && "Invalid output."); 2652 } 2653 2654 if (!Args.hasArg(options::OPT_nostdlib) && 2655 !Args.hasArg(options::OPT_nostartfiles)) { 2656 if (!Args.hasArg(options::OPT_shared)) { 2657 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o"))); 2658 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2659 } else { 2660 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2661 } 2662 } 2663 2664 std::string Triple = getToolChain().getTripleString(); 2665 if (Triple.substr(0, 6) == "x86_64") 2666 Triple.replace(0, 6, "amd64"); 2667 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + 2668 "/3.3.5")); 2669 2670 Args.AddAllArgs(CmdArgs, options::OPT_L); 2671 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2672 Args.AddAllArgs(CmdArgs, options::OPT_e); 2673 2674 for (InputInfoList::const_iterator 2675 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2676 const InputInfo &II = *it; 2677 2678 // Don't try to pass LLVM inputs to a generic gcc. 2679 if (II.getType() == types::TY_LLVMBC) 2680 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2681 << getToolChain().getTripleString(); 2682 2683 if (II.isPipe()) 2684 CmdArgs.push_back("-"); 2685 else if (II.isFilename()) 2686 CmdArgs.push_back(II.getFilename()); 2687 else 2688 II.getInputArg().renderAsInput(Args, CmdArgs); 2689 } 2690 2691 if (!Args.hasArg(options::OPT_nostdlib) && 2692 !Args.hasArg(options::OPT_nodefaultlibs)) { 2693 // FIXME: For some reason GCC passes -lgcc before adding 2694 // the default system libraries. Just mimic this for now. 2695 CmdArgs.push_back("-lgcc"); 2696 2697 if (Args.hasArg(options::OPT_pthread)) 2698 CmdArgs.push_back("-pthread"); 2699 if (!Args.hasArg(options::OPT_shared)) 2700 CmdArgs.push_back("-lc"); 2701 CmdArgs.push_back("-lgcc"); 2702 } 2703 2704 if (!Args.hasArg(options::OPT_nostdlib) && 2705 !Args.hasArg(options::OPT_nostartfiles)) { 2706 if (!Args.hasArg(options::OPT_shared)) 2707 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2708 else 2709 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2710 } 2711 2712 const char *Exec = 2713 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2714 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2715} 2716 2717void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2718 Job &Dest, const InputInfo &Output, 2719 const InputInfoList &Inputs, 2720 const ArgList &Args, 2721 const char *LinkingOutput) const { 2722 ArgStringList CmdArgs; 2723 2724 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2725 // instruct as in the base system to assemble 32-bit code. 2726 if (getToolChain().getArchName() == "i386") 2727 CmdArgs.push_back("--32"); 2728 2729 2730 // Set byte order explicitly 2731 if (getToolChain().getArchName() == "mips") 2732 CmdArgs.push_back("-EB"); 2733 else if (getToolChain().getArchName() == "mipsel") 2734 CmdArgs.push_back("-EL"); 2735 2736 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2737 options::OPT_Xassembler); 2738 2739 CmdArgs.push_back("-o"); 2740 if (Output.isPipe()) 2741 CmdArgs.push_back("-"); 2742 else 2743 CmdArgs.push_back(Output.getFilename()); 2744 2745 for (InputInfoList::const_iterator 2746 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2747 const InputInfo &II = *it; 2748 if (II.isPipe()) 2749 CmdArgs.push_back("-"); 2750 else 2751 CmdArgs.push_back(II.getFilename()); 2752 } 2753 2754 const char *Exec = 2755 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2756 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2757} 2758 2759void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2760 Job &Dest, const InputInfo &Output, 2761 const InputInfoList &Inputs, 2762 const ArgList &Args, 2763 const char *LinkingOutput) const { 2764 const Driver &D = getToolChain().getDriver(); 2765 ArgStringList CmdArgs; 2766 2767 if (Args.hasArg(options::OPT_static)) { 2768 CmdArgs.push_back("-Bstatic"); 2769 } else { 2770 CmdArgs.push_back("--eh-frame-hdr"); 2771 if (Args.hasArg(options::OPT_shared)) { 2772 CmdArgs.push_back("-Bshareable"); 2773 } else { 2774 CmdArgs.push_back("-dynamic-linker"); 2775 CmdArgs.push_back("/libexec/ld-elf.so.1"); 2776 } 2777 } 2778 2779 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2780 // instruct ld in the base system to link 32-bit code. 2781 if (getToolChain().getArchName() == "i386") { 2782 CmdArgs.push_back("-m"); 2783 CmdArgs.push_back("elf_i386_fbsd"); 2784 } 2785 2786 if (Output.isPipe()) { 2787 CmdArgs.push_back("-o"); 2788 CmdArgs.push_back("-"); 2789 } else if (Output.isFilename()) { 2790 CmdArgs.push_back("-o"); 2791 CmdArgs.push_back(Output.getFilename()); 2792 } else { 2793 assert(Output.isNothing() && "Invalid output."); 2794 } 2795 2796 if (!Args.hasArg(options::OPT_nostdlib) && 2797 !Args.hasArg(options::OPT_nostartfiles)) { 2798 if (!Args.hasArg(options::OPT_shared)) { 2799 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2800 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2801 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2802 } else { 2803 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2804 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2805 } 2806 } 2807 2808 Args.AddAllArgs(CmdArgs, options::OPT_L); 2809 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2810 Args.AddAllArgs(CmdArgs, options::OPT_e); 2811 2812 for (InputInfoList::const_iterator 2813 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2814 const InputInfo &II = *it; 2815 2816 // Don't try to pass LLVM inputs to a generic gcc. 2817 if (II.getType() == types::TY_LLVMBC) 2818 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2819 << getToolChain().getTripleString(); 2820 2821 if (II.isPipe()) 2822 CmdArgs.push_back("-"); 2823 else if (II.isFilename()) 2824 CmdArgs.push_back(II.getFilename()); 2825 else 2826 II.getInputArg().renderAsInput(Args, CmdArgs); 2827 } 2828 2829 if (!Args.hasArg(options::OPT_nostdlib) && 2830 !Args.hasArg(options::OPT_nodefaultlibs)) { 2831 if (D.CCCIsCXX) { 2832 CmdArgs.push_back("-lstdc++"); 2833 CmdArgs.push_back("-lm"); 2834 } 2835 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding 2836 // the default system libraries. Just mimic this for now. 2837 CmdArgs.push_back("-lgcc"); 2838 if (Args.hasArg(options::OPT_static)) { 2839 CmdArgs.push_back("-lgcc_eh"); 2840 } else { 2841 CmdArgs.push_back("--as-needed"); 2842 CmdArgs.push_back("-lgcc_s"); 2843 CmdArgs.push_back("--no-as-needed"); 2844 } 2845 2846 if (Args.hasArg(options::OPT_pthread)) 2847 CmdArgs.push_back("-lpthread"); 2848 CmdArgs.push_back("-lc"); 2849 2850 CmdArgs.push_back("-lgcc"); 2851 if (Args.hasArg(options::OPT_static)) { 2852 CmdArgs.push_back("-lgcc_eh"); 2853 } else { 2854 CmdArgs.push_back("--as-needed"); 2855 CmdArgs.push_back("-lgcc_s"); 2856 CmdArgs.push_back("--no-as-needed"); 2857 } 2858 } 2859 2860 if (!Args.hasArg(options::OPT_nostdlib) && 2861 !Args.hasArg(options::OPT_nostartfiles)) { 2862 if (!Args.hasArg(options::OPT_shared)) 2863 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2864 else 2865 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2866 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2867 } 2868 2869 const char *Exec = 2870 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2871 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2872} 2873 2874/// DragonFly Tools 2875 2876// For now, DragonFly Assemble does just about the same as for 2877// FreeBSD, but this may change soon. 2878void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2879 Job &Dest, const InputInfo &Output, 2880 const InputInfoList &Inputs, 2881 const ArgList &Args, 2882 const char *LinkingOutput) const { 2883 ArgStringList CmdArgs; 2884 2885 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2886 // instruct as in the base system to assemble 32-bit code. 2887 if (getToolChain().getArchName() == "i386") 2888 CmdArgs.push_back("--32"); 2889 2890 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2891 options::OPT_Xassembler); 2892 2893 CmdArgs.push_back("-o"); 2894 if (Output.isPipe()) 2895 CmdArgs.push_back("-"); 2896 else 2897 CmdArgs.push_back(Output.getFilename()); 2898 2899 for (InputInfoList::const_iterator 2900 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2901 const InputInfo &II = *it; 2902 if (II.isPipe()) 2903 CmdArgs.push_back("-"); 2904 else 2905 CmdArgs.push_back(II.getFilename()); 2906 } 2907 2908 const char *Exec = 2909 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2910 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2911} 2912 2913void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, 2914 Job &Dest, const InputInfo &Output, 2915 const InputInfoList &Inputs, 2916 const ArgList &Args, 2917 const char *LinkingOutput) const { 2918 const Driver &D = getToolChain().getDriver(); 2919 ArgStringList CmdArgs; 2920 2921 if (Args.hasArg(options::OPT_static)) { 2922 CmdArgs.push_back("-Bstatic"); 2923 } else { 2924 if (Args.hasArg(options::OPT_shared)) 2925 CmdArgs.push_back("-Bshareable"); 2926 else { 2927 CmdArgs.push_back("-dynamic-linker"); 2928 CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); 2929 } 2930 } 2931 2932 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2933 // instruct ld in the base system to link 32-bit code. 2934 if (getToolChain().getArchName() == "i386") { 2935 CmdArgs.push_back("-m"); 2936 CmdArgs.push_back("elf_i386"); 2937 } 2938 2939 if (Output.isPipe()) { 2940 CmdArgs.push_back("-o"); 2941 CmdArgs.push_back("-"); 2942 } else if (Output.isFilename()) { 2943 CmdArgs.push_back("-o"); 2944 CmdArgs.push_back(Output.getFilename()); 2945 } else { 2946 assert(Output.isNothing() && "Invalid output."); 2947 } 2948 2949 if (!Args.hasArg(options::OPT_nostdlib) && 2950 !Args.hasArg(options::OPT_nostartfiles)) { 2951 if (!Args.hasArg(options::OPT_shared)) { 2952 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2953 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2954 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2955 } else { 2956 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2957 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2958 } 2959 } 2960 2961 Args.AddAllArgs(CmdArgs, options::OPT_L); 2962 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2963 Args.AddAllArgs(CmdArgs, options::OPT_e); 2964 2965 for (InputInfoList::const_iterator 2966 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2967 const InputInfo &II = *it; 2968 2969 // Don't try to pass LLVM inputs to a generic gcc. 2970 if (II.getType() == types::TY_LLVMBC) 2971 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2972 << getToolChain().getTripleString(); 2973 2974 if (II.isPipe()) 2975 CmdArgs.push_back("-"); 2976 else if (II.isFilename()) 2977 CmdArgs.push_back(II.getFilename()); 2978 else 2979 II.getInputArg().renderAsInput(Args, CmdArgs); 2980 } 2981 2982 if (!Args.hasArg(options::OPT_nostdlib) && 2983 !Args.hasArg(options::OPT_nodefaultlibs)) { 2984 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of 2985 // rpaths 2986 CmdArgs.push_back("-L/usr/lib/gcc41"); 2987 2988 if (!Args.hasArg(options::OPT_static)) { 2989 CmdArgs.push_back("-rpath"); 2990 CmdArgs.push_back("/usr/lib/gcc41"); 2991 2992 CmdArgs.push_back("-rpath-link"); 2993 CmdArgs.push_back("/usr/lib/gcc41"); 2994 2995 CmdArgs.push_back("-rpath"); 2996 CmdArgs.push_back("/usr/lib"); 2997 2998 CmdArgs.push_back("-rpath-link"); 2999 CmdArgs.push_back("/usr/lib"); 3000 } 3001 3002 if (Args.hasArg(options::OPT_shared)) { 3003 CmdArgs.push_back("-lgcc_pic"); 3004 } else { 3005 CmdArgs.push_back("-lgcc"); 3006 } 3007 3008 3009 if (Args.hasArg(options::OPT_pthread)) 3010 CmdArgs.push_back("-lpthread"); 3011 3012 if (!Args.hasArg(options::OPT_nolibc)) { 3013 CmdArgs.push_back("-lc"); 3014 } 3015 3016 if (Args.hasArg(options::OPT_shared)) { 3017 CmdArgs.push_back("-lgcc_pic"); 3018 } else { 3019 CmdArgs.push_back("-lgcc"); 3020 } 3021 } 3022 3023 if (!Args.hasArg(options::OPT_nostdlib) && 3024 !Args.hasArg(options::OPT_nostartfiles)) { 3025 if (!Args.hasArg(options::OPT_shared)) 3026 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 3027 else 3028 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 3029 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 3030 } 3031 3032 const char *Exec = 3033 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 3034 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3035} 3036