Tools.cpp revision 6f4bed50c076d7c8dd115c4c8af150d44bb6b379
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 const Arg *A = *it; 161 A->claim(); 162 163 if (A->getOption().matches(options::OPT_MQ)) { 164 CmdArgs.push_back("-MT"); 165 llvm::SmallString<128> Quoted; 166 QuoteTarget(A->getValue(Args), Quoted); 167 CmdArgs.push_back(Args.MakeArgString(Quoted)); 168 169 // -MT flag - no change 170 } else { 171 A->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 const llvm::Triple &Triple) { 257 // FIXME: Warn on inconsistent use of -mcpu and -march. 258 259 // If we have -mcpu=, use that. 260 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) 261 return A->getValue(Args); 262 263 llvm::StringRef MArch; 264 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 265 // Otherwise, if we have -march= choose the base CPU for that arch. 266 MArch = A->getValue(Args); 267 } else { 268 // Otherwise, use the Arch from the triple. 269 MArch = Triple.getArchName(); 270 } 271 272 if (MArch == "armv2" || MArch == "armv2a") 273 return "arm2"; 274 if (MArch == "armv3") 275 return "arm6"; 276 if (MArch == "armv3m") 277 return "arm7m"; 278 if (MArch == "armv4" || MArch == "armv4t") 279 return "arm7tdmi"; 280 if (MArch == "armv5" || MArch == "armv5t") 281 return "arm10tdmi"; 282 if (MArch == "armv5e" || MArch == "armv5te") 283 return "arm1026ejs"; 284 if (MArch == "armv5tej") 285 return "arm926ej-s"; 286 if (MArch == "armv6" || MArch == "armv6k") 287 return "arm1136jf-s"; 288 if (MArch == "armv6j") 289 return "arm1136j-s"; 290 if (MArch == "armv6z" || MArch == "armv6zk") 291 return "arm1176jzf-s"; 292 if (MArch == "armv6t2") 293 return "arm1156t2-s"; 294 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") 295 return "cortex-a8"; 296 if (MArch == "armv7r" || MArch == "armv7-r") 297 return "cortex-r4"; 298 if (MArch == "armv7m" || MArch == "armv7-m") 299 return "cortex-m3"; 300 if (MArch == "ep9312") 301 return "ep9312"; 302 if (MArch == "iwmmxt") 303 return "iwmmxt"; 304 if (MArch == "xscale") 305 return "xscale"; 306 307 // If all else failed, return the most base CPU LLVM supports. 308 return "arm7tdmi"; 309} 310 311/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular 312/// CPU. 313// 314// FIXME: This is redundant with -mcpu, why does LLVM use this. 315// FIXME: tblgen this, or kill it! 316static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) { 317 if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || 318 CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || 319 CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || 320 CPU == "arm940t" || CPU == "ep9312") 321 return "v4t"; 322 323 if (CPU == "arm10tdmi" || CPU == "arm1020t") 324 return "v5"; 325 326 if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || 327 CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || 328 CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || 329 CPU == "iwmmxt") 330 return "v5e"; 331 332 if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || 333 CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") 334 return "v6"; 335 336 if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") 337 return "v6t2"; 338 339 if (CPU == "cortex-a8" || CPU == "cortex-a9") 340 return "v7"; 341 342 return ""; 343} 344 345/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which 346/// may depend on command line arguments. 347static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) { 348 switch (TC.getTriple().getArch()) { 349 default: 350 return TC.getTripleString(); 351 352 case llvm::Triple::arm: 353 case llvm::Triple::thumb: { 354 // FIXME: Factor into subclasses. 355 llvm::Triple Triple = TC.getTriple(); 356 357 // Thumb2 is the default for V7 on Darwin. 358 // 359 // FIXME: Thumb should just be another -target-feaure, not in the triple. 360 llvm::StringRef Suffix = 361 getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple)); 362 bool ThumbDefault = 363 (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin); 364 std::string ArchName = "arm"; 365 if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) 366 ArchName = "thumb"; 367 Triple.setArchName(ArchName + Suffix.str()); 368 369 return Triple.getTriple(); 370 } 371 } 372} 373 374// FIXME: Move to target hook. 375static bool isSignedCharDefault(const llvm::Triple &Triple) { 376 switch (Triple.getArch()) { 377 default: 378 return true; 379 380 case llvm::Triple::ppc: 381 case llvm::Triple::ppc64: 382 if (Triple.getOS() == llvm::Triple::Darwin) 383 return true; 384 return false; 385 386 case llvm::Triple::systemz: 387 return false; 388 } 389} 390 391void Clang::AddARMTargetArgs(const ArgList &Args, 392 ArgStringList &CmdArgs) const { 393 const Driver &D = getToolChain().getDriver(); 394 llvm::Triple Triple = getToolChain().getTriple(); 395 396 // Select the ABI to use. 397 // 398 // FIXME: Support -meabi. 399 const char *ABIName = 0; 400 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 401 ABIName = A->getValue(Args); 402 } else { 403 // Select the default based on the platform. 404 llvm::StringRef env = Triple.getEnvironmentName(); 405 if (env == "gnueabi") 406 ABIName = "aapcs-linux"; 407 else if (env == "eabi") 408 ABIName = "aapcs"; 409 else 410 ABIName = "apcs-gnu"; 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, Triple)); 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 const llvm::Triple &Triple = getToolChain().getTriple(); 442 switch (Triple.getOS()) { 443 case llvm::Triple::Darwin: { 444 // Darwin defaults to "softfp" for v6 and v7. 445 // 446 // FIXME: Factor out an ARM class so we can cache the arch somewhere. 447 llvm::StringRef ArchName = 448 getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple)); 449 if (ArchName.startswith("v6") || ArchName.startswith("v7")) 450 FloatABI = "softfp"; 451 else 452 FloatABI = "soft"; 453 break; 454 } 455 456 case llvm::Triple::Linux: { 457 llvm::StringRef Env = getToolChain().getTriple().getEnvironmentName(); 458 if (Env == "gnueabi") { 459 FloatABI = "softfp"; 460 break; 461 } 462 } 463 // fall through 464 465 default: 466 // Assume "soft", but warn the user we are guessing. 467 FloatABI = "soft"; 468 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 469 break; 470 } 471 } 472 473 if (FloatABI == "soft") { 474 // Floating point operations and argument passing are soft. 475 // 476 // FIXME: This changes CPP defines, we need -target-soft-float. 477 CmdArgs.push_back("-msoft-float"); 478 CmdArgs.push_back("-mfloat-abi"); 479 CmdArgs.push_back("soft"); 480 } else if (FloatABI == "softfp") { 481 // Floating point operations are hard, but argument passing is soft. 482 CmdArgs.push_back("-mfloat-abi"); 483 CmdArgs.push_back("soft"); 484 } else { 485 // Floating point operations and argument passing are hard. 486 assert(FloatABI == "hard" && "Invalid float abi!"); 487 CmdArgs.push_back("-mfloat-abi"); 488 CmdArgs.push_back("hard"); 489 } 490 491 // Set appropriate target features for floating point mode. 492 // 493 // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these 494 // yet (it uses the -mfloat-abi and -msoft-float options above), and it is 495 // stripped out by the ARM target. 496 497 // Use software floating point operations? 498 if (FloatABI == "soft") { 499 CmdArgs.push_back("-target-feature"); 500 CmdArgs.push_back("+soft-float"); 501 } 502 503 // Use software floating point argument passing? 504 if (FloatABI != "hard") { 505 CmdArgs.push_back("-target-feature"); 506 CmdArgs.push_back("+soft-float-abi"); 507 } 508 509 // Honor -mfpu=. 510 // 511 // FIXME: Centralize feature selection, defaulting shouldn't be also in the 512 // frontend target. 513 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) { 514 llvm::StringRef FPU = A->getValue(Args); 515 516 // Set the target features based on the FPU. 517 if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") { 518 // Disable any default FPU support. 519 CmdArgs.push_back("-target-feature"); 520 CmdArgs.push_back("-vfp2"); 521 CmdArgs.push_back("-target-feature"); 522 CmdArgs.push_back("-vfp3"); 523 CmdArgs.push_back("-target-feature"); 524 CmdArgs.push_back("-neon"); 525 } else if (FPU == "vfp") { 526 CmdArgs.push_back("-target-feature"); 527 CmdArgs.push_back("+vfp2"); 528 } else if (FPU == "vfp3") { 529 CmdArgs.push_back("-target-feature"); 530 CmdArgs.push_back("+vfp3"); 531 } else if (FPU == "neon") { 532 CmdArgs.push_back("-target-feature"); 533 CmdArgs.push_back("+neon"); 534 } else 535 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 536 } 537} 538 539void Clang::AddMIPSTargetArgs(const ArgList &Args, 540 ArgStringList &CmdArgs) const { 541 const Driver &D = getToolChain().getDriver(); 542 543 // Select the ABI to use. 544 const char *ABIName = 0; 545 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 546 ABIName = A->getValue(Args); 547 } else { 548 ABIName = "o32"; 549 } 550 551 CmdArgs.push_back("-target-abi"); 552 CmdArgs.push_back(ABIName); 553 554 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 555 llvm::StringRef MArch = A->getValue(Args); 556 CmdArgs.push_back("-target-cpu"); 557 558 if ((MArch == "r2000") || (MArch == "r3000")) 559 CmdArgs.push_back("mips1"); 560 else if (MArch == "r6000") 561 CmdArgs.push_back("mips2"); 562 else 563 CmdArgs.push_back(MArch.str().c_str()); 564 } 565 566 // Select the float ABI as determined by -msoft-float, -mhard-float, and 567 llvm::StringRef FloatABI; 568 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 569 options::OPT_mhard_float)) { 570 if (A->getOption().matches(options::OPT_msoft_float)) 571 FloatABI = "soft"; 572 else if (A->getOption().matches(options::OPT_mhard_float)) 573 FloatABI = "hard"; 574 } 575 576 // If unspecified, choose the default based on the platform. 577 if (FloatABI.empty()) { 578 // Assume "soft", but warn the user we are guessing. 579 FloatABI = "soft"; 580 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 581 } 582 583 if (FloatABI == "soft") { 584 // Floating point operations and argument passing are soft. 585 // 586 // FIXME: This changes CPP defines, we need -target-soft-float. 587 CmdArgs.push_back("-msoft-float"); 588 } else { 589 assert(FloatABI == "hard" && "Invalid float abi!"); 590 CmdArgs.push_back("-mhard-float"); 591 } 592} 593 594void Clang::AddX86TargetArgs(const ArgList &Args, 595 ArgStringList &CmdArgs) const { 596 if (!Args.hasFlag(options::OPT_mred_zone, 597 options::OPT_mno_red_zone, 598 true) || 599 Args.hasArg(options::OPT_mkernel) || 600 Args.hasArg(options::OPT_fapple_kext)) 601 CmdArgs.push_back("-disable-red-zone"); 602 603 if (Args.hasFlag(options::OPT_msoft_float, 604 options::OPT_mno_soft_float, 605 false)) 606 CmdArgs.push_back("-no-implicit-float"); 607 608 const char *CPUName = 0; 609 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 610 if (llvm::StringRef(A->getValue(Args)) == "native") { 611 // FIXME: Reject attempts to use -march=native unless the target matches 612 // the host. 613 // 614 // FIXME: We should also incorporate the detected target features for use 615 // with -native. 616 std::string CPU = llvm::sys::getHostCPUName(); 617 if (!CPU.empty()) 618 CPUName = Args.MakeArgString(CPU); 619 } else 620 CPUName = A->getValue(Args); 621 } 622 623 // Select the default CPU if none was given (or detection failed). 624 if (!CPUName) { 625 // FIXME: Need target hooks. 626 if (getToolChain().getOS().startswith("darwin")) { 627 if (getToolChain().getArchName() == "x86_64") 628 CPUName = "core2"; 629 else if (getToolChain().getArchName() == "i386") 630 CPUName = "yonah"; 631 } else if (getToolChain().getOS().startswith("haiku")) { 632 if (getToolChain().getArchName() == "x86_64") 633 CPUName = "x86-64"; 634 else if (getToolChain().getArchName() == "i386") 635 CPUName = "i586"; 636 } else { 637 if (getToolChain().getArchName() == "x86_64") 638 CPUName = "x86-64"; 639 else if (getToolChain().getArchName() == "i386") 640 CPUName = "pentium4"; 641 } 642 } 643 644 if (CPUName) { 645 CmdArgs.push_back("-target-cpu"); 646 CmdArgs.push_back(CPUName); 647 } 648 649 for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group), 650 ie = Args.filtered_end(); it != ie; ++it) { 651 llvm::StringRef Name = (*it)->getOption().getName(); 652 (*it)->claim(); 653 654 // Skip over "-m". 655 assert(Name.startswith("-m") && "Invalid feature name."); 656 Name = Name.substr(2); 657 658 bool IsNegative = Name.startswith("no-"); 659 if (IsNegative) 660 Name = Name.substr(3); 661 662 CmdArgs.push_back("-target-feature"); 663 CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); 664 } 665} 666 667static bool needsExceptions(const ArgList &Args, types::ID InputType, 668 const llvm::Triple &Triple) { 669 if (Arg *A = Args.getLastArg(options::OPT_fexceptions, 670 options::OPT_fno_exceptions)) { 671 if (A->getOption().matches(options::OPT_fexceptions)) 672 return true; 673 else 674 return false; 675 } 676 switch (InputType) { 677 case types::TY_CXX: case types::TY_CXXHeader: 678 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 679 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 680 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 681 return true; 682 683 case types::TY_ObjC: case types::TY_ObjCHeader: 684 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 685 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi)) 686 return true; 687 if (Triple.getOS() != llvm::Triple::Darwin) 688 return false; 689 return (Triple.getDarwinMajorNumber() >= 9 && 690 Triple.getArch() == llvm::Triple::x86_64); 691 692 default: 693 return false; 694 } 695} 696 697/// getEffectiveClangTriple - Get the "effective" target triple, which is the 698/// triple for the target but with the OS version potentially modified for 699/// Darwin's -mmacosx-version-min. 700static std::string getEffectiveClangTriple(const Driver &D, 701 const ToolChain &TC, 702 const ArgList &Args) { 703 llvm::Triple Triple(getLLVMTriple(TC, Args)); 704 705 // Handle -mmacosx-version-min and -miphoneos-version-min. 706 if (Triple.getOS() != llvm::Triple::Darwin) { 707 // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on 708 // non-Darwin. 709 if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, 710 options::OPT_miphoneos_version_min_EQ)) 711 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 712 } else { 713 const toolchains::Darwin &DarwinTC( 714 reinterpret_cast<const toolchains::Darwin&>(TC)); 715 716 // If the target isn't initialized (e.g., an unknown Darwin platform, return 717 // the default triple). 718 if (!DarwinTC.isTargetInitialized()) 719 return Triple.getTriple(); 720 721 unsigned Version[3]; 722 DarwinTC.getTargetVersion(Version); 723 724 // Mangle the target version into the OS triple component. For historical 725 // reasons that make little sense, the version passed here is the "darwin" 726 // version, which drops the 10 and offsets by 4. See inverse code when 727 // setting the OS version preprocessor define. 728 if (!DarwinTC.isTargetIPhoneOS()) { 729 Version[0] = Version[1] + 4; 730 Version[1] = Version[2]; 731 Version[2] = 0; 732 } else { 733 // Use the environment to communicate that we are targetting iPhoneOS. 734 Triple.setEnvironmentName("iphoneos"); 735 } 736 737 llvm::SmallString<16> Str; 738 llvm::raw_svector_ostream(Str) << "darwin" << Version[0] 739 << "." << Version[1] << "." << Version[2]; 740 Triple.setOSName(Str.str()); 741 } 742 743 return Triple.getTriple(); 744} 745 746void Clang::ConstructJob(Compilation &C, const JobAction &JA, 747 Job &Dest, 748 const InputInfo &Output, 749 const InputInfoList &Inputs, 750 const ArgList &Args, 751 const char *LinkingOutput) const { 752 bool KernelOrKext = Args.hasArg(options::OPT_mkernel, 753 options::OPT_fapple_kext); 754 const Driver &D = getToolChain().getDriver(); 755 ArgStringList CmdArgs; 756 757 assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); 758 759 // Invoke ourselves in -cc1 mode. 760 // 761 // FIXME: Implement custom jobs for internal actions. 762 CmdArgs.push_back("-cc1"); 763 764 // Add the "effective" target triple. 765 CmdArgs.push_back("-triple"); 766 std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args); 767 CmdArgs.push_back(Args.MakeArgString(TripleStr)); 768 769 // Select the appropriate action. 770 if (isa<AnalyzeJobAction>(JA)) { 771 assert(JA.getType() == types::TY_Plist && "Invalid output type."); 772 CmdArgs.push_back("-analyze"); 773 } else if (isa<PreprocessJobAction>(JA)) { 774 if (Output.getType() == types::TY_Dependencies) 775 CmdArgs.push_back("-Eonly"); 776 else 777 CmdArgs.push_back("-E"); 778 } else if (isa<AssembleJobAction>(JA)) { 779 CmdArgs.push_back("-emit-obj"); 780 781 // At -O0, we use -mrelax-all by default. 782 bool IsOpt = false; 783 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) 784 IsOpt = !A->getOption().matches(options::OPT_O0); 785 if (Args.hasFlag(options::OPT_mrelax_all, 786 options::OPT_mno_relax_all, 787 !IsOpt)) 788 CmdArgs.push_back("-mrelax-all"); 789 } else if (isa<PrecompileJobAction>(JA)) { 790 // Use PCH if the user requested it, except for C++ (for now). 791 bool UsePCH = D.CCCUsePCH; 792 if (types::isCXX(Inputs[0].getType())) 793 UsePCH = false; 794 795 if (UsePCH) 796 CmdArgs.push_back("-emit-pch"); 797 else 798 CmdArgs.push_back("-emit-pth"); 799 } else { 800 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool."); 801 802 if (JA.getType() == types::TY_Nothing) { 803 CmdArgs.push_back("-fsyntax-only"); 804 } else if (JA.getType() == types::TY_LLVM_IR || 805 JA.getType() == types::TY_LTO_IR) { 806 CmdArgs.push_back("-emit-llvm"); 807 } else if (JA.getType() == types::TY_LLVM_BC || 808 JA.getType() == types::TY_LTO_BC) { 809 CmdArgs.push_back("-emit-llvm-bc"); 810 } else if (JA.getType() == types::TY_PP_Asm) { 811 CmdArgs.push_back("-S"); 812 } else if (JA.getType() == types::TY_AST) { 813 CmdArgs.push_back("-emit-pch"); 814 } else if (JA.getType() == types::TY_RewrittenObjC) { 815 CmdArgs.push_back("-rewrite-objc"); 816 } else { 817 assert(JA.getType() == types::TY_PP_Asm && 818 "Unexpected output type!"); 819 } 820 } 821 822 // The make clang go fast button. 823 CmdArgs.push_back("-disable-free"); 824 825 // Disable the verification pass in -asserts builds. 826#ifdef NDEBUG 827 CmdArgs.push_back("-disable-llvm-verifier"); 828#endif 829 830 // Set the main file name, so that debug info works even with 831 // -save-temps. 832 CmdArgs.push_back("-main-file-name"); 833 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 834 835 // Some flags which affect the language (via preprocessor 836 // defines). See darwin::CC1::AddCPPArgs. 837 if (Args.hasArg(options::OPT_static)) 838 CmdArgs.push_back("-static-define"); 839 840 if (isa<AnalyzeJobAction>(JA)) { 841 // Enable region store model by default. 842 CmdArgs.push_back("-analyzer-store=region"); 843 844 // Treat blocks as analysis entry points. 845 CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks"); 846 847 // Add default argument set. 848 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { 849 CmdArgs.push_back("-analyzer-check-dead-stores"); 850 // Do not enable the security-syntatic check since it 851 // it needs to be refined (known issues). 852 // CmdArgs.push_back("-analyzer-check-security-syntactic"); 853 CmdArgs.push_back("-analyzer-check-objc-mem"); 854 CmdArgs.push_back("-analyzer-eagerly-assume"); 855 CmdArgs.push_back("-analyzer-check-objc-methodsigs"); 856 // Do not enable the missing -dealloc check. 857 // '-analyzer-check-objc-missing-dealloc', 858 CmdArgs.push_back("-analyzer-check-objc-unused-ivars"); 859 } 860 861 // Set the output format. The default is plist, for (lame) historical 862 // reasons. 863 CmdArgs.push_back("-analyzer-output"); 864 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 865 CmdArgs.push_back(A->getValue(Args)); 866 else 867 CmdArgs.push_back("plist"); 868 869 // Disable the presentation of standard compiler warnings when 870 // using --analyze. We only want to show static analyzer diagnostics 871 // or frontend errors. 872 CmdArgs.push_back("-w"); 873 874 // Add -Xanalyzer arguments when running as analyzer. 875 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 876 } 877 878 CheckCodeGenerationOptions(D, Args); 879 880 // Perform argument translation for LLVM backend. This 881 // takes some care in reconciling with llvm-gcc. The 882 // issue is that llvm-gcc translates these options based on 883 // the values in cc1, whereas we are processing based on 884 // the driver arguments. 885 886 // This comes from the default translation the driver + cc1 887 // would do to enable flag_pic. 888 // 889 // FIXME: Centralize this code. 890 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || 891 Args.hasArg(options::OPT_fpic) || 892 Args.hasArg(options::OPT_fPIE) || 893 Args.hasArg(options::OPT_fpie)); 894 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || 895 Args.hasArg(options::OPT_static)); 896 const char *Model = getToolChain().GetForcedPicModel(); 897 if (!Model) { 898 if (Args.hasArg(options::OPT_mdynamic_no_pic)) 899 Model = "dynamic-no-pic"; 900 else if (PICDisabled) 901 Model = "static"; 902 else if (PICEnabled) 903 Model = "pic"; 904 else 905 Model = getToolChain().GetDefaultRelocationModel(); 906 } 907 if (llvm::StringRef(Model) != "pic") { 908 CmdArgs.push_back("-mrelocation-model"); 909 CmdArgs.push_back(Model); 910 } 911 912 // Infer the __PIC__ value. 913 // 914 // FIXME: This isn't quite right on Darwin, which always sets 915 // __PIC__=2. 916 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { 917 CmdArgs.push_back("-pic-level"); 918 CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1"); 919 } 920 if (!Args.hasFlag(options::OPT_fmerge_all_constants, 921 options::OPT_fno_merge_all_constants)) 922 CmdArgs.push_back("-no-merge-all-constants"); 923 924 // LLVM Code Generator Options. 925 926 // FIXME: Set --enable-unsafe-fp-math. 927 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, 928 options::OPT_fomit_frame_pointer)) 929 CmdArgs.push_back("-mdisable-fp-elim"); 930 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 931 options::OPT_fno_zero_initialized_in_bss)) 932 CmdArgs.push_back("-mno-zero-initialized-in-bss"); 933 934 // Decide whether to use verbose asm. Verbose assembly is the default on 935 // toolchains which have the integrated assembler on by default. 936 bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault(); 937 if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm, 938 IsVerboseAsmDefault) || 939 Args.hasArg(options::OPT_dA)) 940 CmdArgs.push_back("-masm-verbose"); 941 942 if (Args.hasArg(options::OPT_fdebug_pass_structure)) { 943 CmdArgs.push_back("-mdebug-pass"); 944 CmdArgs.push_back("Structure"); 945 } 946 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { 947 CmdArgs.push_back("-mdebug-pass"); 948 CmdArgs.push_back("Arguments"); 949 } 950 951 // Enable -mconstructor-aliases except on darwin, where we have to 952 // work around a linker bug; see <rdar://problem/7651567>. 953 if (getToolChain().getTriple().getOS() != llvm::Triple::Darwin) 954 CmdArgs.push_back("-mconstructor-aliases"); 955 956 // This is a coarse approximation of what llvm-gcc actually does, both 957 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 958 // complicated ways. 959 bool AsynchronousUnwindTables = 960 Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 961 options::OPT_fno_asynchronous_unwind_tables, 962 getToolChain().IsUnwindTablesDefault() && 963 !KernelOrKext); 964 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, 965 AsynchronousUnwindTables)) 966 CmdArgs.push_back("-munwind-tables"); 967 968 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 969 CmdArgs.push_back("-mlimit-float-precision"); 970 CmdArgs.push_back(A->getValue(Args)); 971 } 972 973 // FIXME: Handle -mtune=. 974 (void) Args.hasArg(options::OPT_mtune_EQ); 975 976 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 977 CmdArgs.push_back("-mcode-model"); 978 CmdArgs.push_back(A->getValue(Args)); 979 } 980 981 // Add target specific cpu and features flags. 982 switch(getToolChain().getTriple().getArch()) { 983 default: 984 break; 985 986 case llvm::Triple::arm: 987 case llvm::Triple::thumb: 988 AddARMTargetArgs(Args, CmdArgs); 989 break; 990 991 case llvm::Triple::mips: 992 case llvm::Triple::mipsel: 993 AddMIPSTargetArgs(Args, CmdArgs); 994 break; 995 996 case llvm::Triple::x86: 997 case llvm::Triple::x86_64: 998 AddX86TargetArgs(Args, CmdArgs); 999 break; 1000 } 1001 1002 // -mno-omit-leaf-frame-pointer is default. 1003 if (Args.hasFlag(options::OPT_momit_leaf_frame_pointer, 1004 options::OPT_mno_omit_leaf_frame_pointer, false)) 1005 CmdArgs.push_back("-momit-leaf-frame-pointer"); 1006 1007 // -fno-math-errno is default. 1008 if (Args.hasFlag(options::OPT_fmath_errno, 1009 options::OPT_fno_math_errno, 1010 false)) 1011 CmdArgs.push_back("-fmath-errno"); 1012 1013 // Explicitly error on some things we know we don't support and can't just 1014 // ignore. 1015 types::ID InputType = Inputs[0].getType(); 1016 Arg *Unsupported; 1017 if ((Unsupported = Args.getLastArg(options::OPT_MG)) || 1018 (Unsupported = Args.getLastArg(options::OPT_iframework)) || 1019 (Unsupported = Args.getLastArg(options::OPT_fshort_enums))) 1020 D.Diag(clang::diag::err_drv_clang_unsupported) 1021 << Unsupported->getOption().getName(); 1022 1023 if (types::isCXX(InputType) && 1024 getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1025 getToolChain().getTriple().getArch() == llvm::Triple::x86) { 1026 if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext))) 1027 D.Diag(clang::diag::err_drv_clang_unsupported_opt_cxx_darwin_i386) 1028 << Unsupported->getOption().getName(); 1029 } 1030 1031 Args.AddAllArgs(CmdArgs, options::OPT_v); 1032 Args.AddLastArg(CmdArgs, options::OPT_P); 1033 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 1034 1035 // Special case debug options to only pass -g to clang. This is 1036 // wrong. 1037 Args.ClaimAllArgs(options::OPT_g_Group); 1038 if (Arg *A = Args.getLastArg(options::OPT_g_Group)) 1039 if (!A->getOption().matches(options::OPT_g0)) 1040 CmdArgs.push_back("-g"); 1041 1042 Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections); 1043 Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections); 1044 1045 Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions); 1046 1047 Args.AddLastArg(CmdArgs, options::OPT_nostdinc); 1048 Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); 1049 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); 1050 1051 // Pass the path to compiler resource files. 1052 CmdArgs.push_back("-resource-dir"); 1053 CmdArgs.push_back(D.ResourceDir.c_str()); 1054 1055 // Add preprocessing options like -I, -D, etc. if we are using the 1056 // preprocessor. 1057 // 1058 // FIXME: Support -fpreprocessed 1059 if (types::getPreprocessedType(InputType) != types::TY_INVALID) 1060 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); 1061 1062 // Manually translate -O to -O2 and -O4 to -O3; let clang reject 1063 // others. 1064 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 1065 if (A->getOption().matches(options::OPT_O4)) 1066 CmdArgs.push_back("-O3"); 1067 else if (A->getOption().matches(options::OPT_O) && 1068 A->getValue(Args)[0] == '\0') 1069 CmdArgs.push_back("-O2"); 1070 else 1071 A->render(Args, CmdArgs); 1072 } 1073 1074 Args.AddAllArgs(CmdArgs, options::OPT_W_Group); 1075 Args.AddLastArg(CmdArgs, options::OPT_pedantic); 1076 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); 1077 Args.AddLastArg(CmdArgs, options::OPT_w); 1078 1079 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 1080 // (-ansi is equivalent to -std=c89). 1081 // 1082 // If a std is supplied, only add -trigraphs if it follows the 1083 // option. 1084 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1085 if (Std->getOption().matches(options::OPT_ansi)) 1086 if (types::isCXX(InputType)) 1087 CmdArgs.push_back("-std=c++98"); 1088 else 1089 CmdArgs.push_back("-std=c89"); 1090 else 1091 Std->render(Args, CmdArgs); 1092 1093 if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi, 1094 options::OPT_trigraphs)) 1095 if (A != Std) 1096 A->render(Args, CmdArgs); 1097 } else { 1098 // Honor -std-default. 1099 // 1100 // FIXME: Clang doesn't correctly handle -std= when the input language 1101 // doesn't match. For the time being just ignore this for C++ inputs; 1102 // eventually we want to do all the standard defaulting here instead of 1103 // splitting it between the driver and clang -cc1. 1104 if (!types::isCXX(InputType)) 1105 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1106 "-std=", /*Joined=*/true); 1107 Args.AddLastArg(CmdArgs, options::OPT_trigraphs); 1108 } 1109 1110 // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'. 1111 if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) { 1112 if (Asm->getOption().matches(options::OPT_fasm)) 1113 CmdArgs.push_back("-fgnu-keywords"); 1114 else 1115 CmdArgs.push_back("-fno-gnu-keywords"); 1116 } 1117 1118 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { 1119 CmdArgs.push_back("-ftemplate-depth"); 1120 CmdArgs.push_back(A->getValue(Args)); 1121 } 1122 1123 if (Args.hasArg(options::OPT__relocatable_pch)) 1124 CmdArgs.push_back("-relocatable-pch"); 1125 1126 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 1127 CmdArgs.push_back("-fconstant-string-class"); 1128 CmdArgs.push_back(A->getValue(Args)); 1129 } 1130 1131 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { 1132 CmdArgs.push_back("-ftabstop"); 1133 CmdArgs.push_back(A->getValue(Args)); 1134 } 1135 1136 CmdArgs.push_back("-ferror-limit"); 1137 if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ)) 1138 CmdArgs.push_back(A->getValue(Args)); 1139 else 1140 CmdArgs.push_back("19"); 1141 1142 if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) { 1143 CmdArgs.push_back("-fmacro-backtrace-limit"); 1144 CmdArgs.push_back(A->getValue(Args)); 1145 } 1146 1147 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) { 1148 CmdArgs.push_back("-ftemplate-backtrace-limit"); 1149 CmdArgs.push_back(A->getValue(Args)); 1150 } 1151 1152 // Pass -fmessage-length=. 1153 CmdArgs.push_back("-fmessage-length"); 1154 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { 1155 CmdArgs.push_back(A->getValue(Args)); 1156 } else { 1157 // If -fmessage-length=N was not specified, determine whether this is a 1158 // terminal and, if so, implicitly define -fmessage-length appropriately. 1159 unsigned N = llvm::sys::Process::StandardErrColumns(); 1160 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(N))); 1161 } 1162 1163 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) { 1164 CmdArgs.push_back("-fvisibility"); 1165 CmdArgs.push_back(A->getValue(Args)); 1166 } 1167 1168 Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden); 1169 1170 // -fhosted is default. 1171 if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding, 1172 options::OPT_fhosted, 1173 false)) 1174 CmdArgs.push_back("-ffreestanding"); 1175 1176 // Forward -f (flag) options which we can pass directly. 1177 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior); 1178 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 1179 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 1180 1181 // -flax-vector-conversions is default. 1182 if (!Args.hasFlag(options::OPT_flax_vector_conversions, 1183 options::OPT_fno_lax_vector_conversions)) 1184 CmdArgs.push_back("-fno-lax-vector-conversions"); 1185 1186 // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only 1187 // takes precedence. 1188 const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only); 1189 if (!GCArg) 1190 GCArg = Args.getLastArg(options::OPT_fobjc_gc); 1191 if (GCArg) { 1192 if (getToolChain().SupportsObjCGC()) { 1193 GCArg->render(Args, CmdArgs); 1194 } else { 1195 // FIXME: We should move this to a hard error. 1196 D.Diag(clang::diag::warn_drv_objc_gc_unsupported) 1197 << GCArg->getAsString(Args); 1198 } 1199 } 1200 1201 Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); 1202 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 1203 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 1204 Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 1205 Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 1206 Args.AddLastArg(CmdArgs, options::OPT_fwrapv); 1207 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 1208 1209 Args.AddLastArg(CmdArgs, options::OPT_pthread); 1210 1211 // -stack-protector=0 is default. 1212 unsigned StackProtectorLevel = 0; 1213 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 1214 options::OPT_fstack_protector_all, 1215 options::OPT_fstack_protector)) { 1216 if (A->getOption().matches(options::OPT_fstack_protector)) 1217 StackProtectorLevel = 1; 1218 else if (A->getOption().matches(options::OPT_fstack_protector_all)) 1219 StackProtectorLevel = 2; 1220 } else 1221 StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel(); 1222 if (StackProtectorLevel) { 1223 CmdArgs.push_back("-stack-protector"); 1224 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); 1225 } 1226 1227 // Forward -f options with positive and negative forms; we translate 1228 // these by hand. 1229 1230 // -fbuiltin is default. 1231 if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) 1232 CmdArgs.push_back("-fno-builtin"); 1233 1234 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1235 options::OPT_fno_assume_sane_operator_new)) 1236 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1237 1238 // -fblocks=0 is default. 1239 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, 1240 getToolChain().IsBlocksDefault())) { 1241 CmdArgs.push_back("-fblocks"); 1242 } 1243 1244 // -faccess-control is default. 1245 if (Args.hasFlag(options::OPT_fno_access_control, 1246 options::OPT_faccess_control, 1247 false)) 1248 CmdArgs.push_back("-fno-access-control"); 1249 1250 // -fexceptions=0 is default. 1251 if (needsExceptions(Args, InputType, getToolChain().getTriple())) 1252 CmdArgs.push_back("-fexceptions"); 1253 1254 if (getToolChain().UseSjLjExceptions()) 1255 CmdArgs.push_back("-fsjlj-exceptions"); 1256 1257 // -frtti is default. 1258 if (KernelOrKext || 1259 !Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) 1260 CmdArgs.push_back("-fno-rtti"); 1261 1262 // -fsigned-char is default. 1263 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char, 1264 isSignedCharDefault(getToolChain().getTriple()))) 1265 CmdArgs.push_back("-fno-signed-char"); 1266 1267 // -fthreadsafe-static is default. 1268 if (!Args.hasFlag(options::OPT_fthreadsafe_statics, 1269 options::OPT_fno_threadsafe_statics)) 1270 CmdArgs.push_back("-fno-threadsafe-statics"); 1271 1272 // -fuse-cxa-atexit is default. 1273 if (KernelOrKext || !Args.hasFlag(options::OPT_fuse_cxa_atexit, 1274 options::OPT_fno_use_cxa_atexit)) 1275 CmdArgs.push_back("-fno-use-cxa-atexit"); 1276 1277 // -fms-extensions=0 is default. 1278 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, 1279 getToolChain().getTriple().getOS() == llvm::Triple::Win32)) 1280 CmdArgs.push_back("-fms-extensions"); 1281 1282 // -fgnu-keywords default varies depending on language; only pass if 1283 // specified. 1284 if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords, 1285 options::OPT_fno_gnu_keywords)) 1286 A->render(Args, CmdArgs); 1287 1288 // -fnext-runtime is default. 1289 if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, 1290 getToolChain().getTriple().getOS() == llvm::Triple::Darwin)) 1291 CmdArgs.push_back("-fgnu-runtime"); 1292 1293 // -fobjc-nonfragile-abi=0 is default. 1294 if (types::isObjC(InputType)) { 1295 unsigned Version = 1; 1296 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) || 1297 getToolChain().IsObjCNonFragileABIDefault()) 1298 Version = 2; 1299 if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) { 1300 if (llvm::StringRef(A->getValue(Args)) == "1") 1301 Version = 1; 1302 else if (llvm::StringRef(A->getValue(Args)) == "2") 1303 Version = 2; 1304 else 1305 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1306 } 1307 1308 if (Version == 2) { 1309 CmdArgs.push_back("-fobjc-nonfragile-abi"); 1310 1311 // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and 1312 // legacy is the default. 1313 if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch, 1314 options::OPT_fno_objc_legacy_dispatch, 1315 getToolChain().IsObjCLegacyDispatchDefault())) { 1316 if (getToolChain().UseObjCMixedDispatch()) 1317 CmdArgs.push_back("-fobjc-dispatch-method=mixed"); 1318 else 1319 CmdArgs.push_back("-fobjc-dispatch-method=non-legacy"); 1320 } 1321 } 1322 1323 // FIXME: -fobjc-nonfragile-abi2 is a transient option meant to expose 1324 // features in testing. It will eventually be removed. 1325 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi2)) 1326 CmdArgs.push_back("-fobjc-nonfragile-abi2"); 1327 } 1328 1329 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1330 options::OPT_fno_assume_sane_operator_new)) 1331 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1332 1333 // -fconstant-cfstrings is default, and may be subject to argument translation 1334 // on Darwin. 1335 if (!Args.hasFlag(options::OPT_fconstant_cfstrings, 1336 options::OPT_fno_constant_cfstrings) || 1337 !Args.hasFlag(options::OPT_mconstant_cfstrings, 1338 options::OPT_mno_constant_cfstrings)) 1339 CmdArgs.push_back("-fno-constant-cfstrings"); 1340 1341 // -fshort-wchar default varies depending on platform; only 1342 // pass if specified. 1343 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) 1344 A->render(Args, CmdArgs); 1345 1346 // -fno-pascal-strings is default, only pass non-default. If the tool chain 1347 // happened to translate to -mpascal-strings, we want to back translate here. 1348 // 1349 // FIXME: This is gross; that translation should be pulled from the 1350 // tool chain. 1351 if (Args.hasFlag(options::OPT_fpascal_strings, 1352 options::OPT_fno_pascal_strings, 1353 false) || 1354 Args.hasFlag(options::OPT_mpascal_strings, 1355 options::OPT_mno_pascal_strings, 1356 false)) 1357 CmdArgs.push_back("-fpascal-strings"); 1358 1359 // -fcommon is default, only pass non-default. 1360 if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) 1361 CmdArgs.push_back("-fno-common"); 1362 1363 // -fsigned-bitfields is default, and clang doesn't yet support 1364 // --funsigned-bitfields. 1365 if (!Args.hasFlag(options::OPT_fsigned_bitfields, 1366 options::OPT_funsigned_bitfields)) 1367 D.Diag(clang::diag::warn_drv_clang_unsupported) 1368 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 1369 1370 // -fcaret-diagnostics is default. 1371 if (!Args.hasFlag(options::OPT_fcaret_diagnostics, 1372 options::OPT_fno_caret_diagnostics, true)) 1373 CmdArgs.push_back("-fno-caret-diagnostics"); 1374 1375 // -fdiagnostics-fixit-info is default, only pass non-default. 1376 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 1377 options::OPT_fno_diagnostics_fixit_info)) 1378 CmdArgs.push_back("-fno-diagnostics-fixit-info"); 1379 1380 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary); 1381 1382 // Enable -fdiagnostics-show-option by default. 1383 if (Args.hasFlag(options::OPT_fdiagnostics_show_option, 1384 options::OPT_fno_diagnostics_show_option)) 1385 CmdArgs.push_back("-fdiagnostics-show-option"); 1386 1387 if (const Arg *A = 1388 Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) { 1389 CmdArgs.push_back("-fdiagnostics-show-category"); 1390 CmdArgs.push_back(A->getValue(Args)); 1391 } 1392 1393 // Color diagnostics are the default, unless the terminal doesn't support 1394 // them. 1395 if (Args.hasFlag(options::OPT_fcolor_diagnostics, 1396 options::OPT_fno_color_diagnostics) && 1397 llvm::sys::Process::StandardErrHasColors()) 1398 CmdArgs.push_back("-fcolor-diagnostics"); 1399 1400 if (!Args.hasFlag(options::OPT_fshow_source_location, 1401 options::OPT_fno_show_source_location)) 1402 CmdArgs.push_back("-fno-show-source-location"); 1403 1404 if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ)) 1405 A->render(Args, CmdArgs); 1406 1407 // -fdollars-in-identifiers default varies depending on platform and 1408 // language; only pass if specified. 1409 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 1410 options::OPT_fno_dollars_in_identifiers)) { 1411 if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 1412 CmdArgs.push_back("-fdollars-in-identifiers"); 1413 else 1414 CmdArgs.push_back("-fno-dollars-in-identifiers"); 1415 } 1416 1417 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 1418 // practical purposes. 1419 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 1420 options::OPT_fno_unit_at_a_time)) { 1421 if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 1422 D.Diag(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args); 1423 } 1424 1425 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. 1426 // 1427 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941. 1428#if 0 1429 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1430 (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1431 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) { 1432 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1433 CmdArgs.push_back("-fno-builtin-strcat"); 1434 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1435 CmdArgs.push_back("-fno-builtin-strcpy"); 1436 } 1437#endif 1438 1439 if (Arg *A = Args.getLastArg(options::OPT_traditional, 1440 options::OPT_traditional_cpp)) 1441 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1442 1443 Args.AddLastArg(CmdArgs, options::OPT_dM); 1444 Args.AddLastArg(CmdArgs, options::OPT_dD); 1445 1446 // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option 1447 // parser. 1448 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 1449 for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm), 1450 ie = Args.filtered_end(); it != ie; ++it) { 1451 (*it)->claim(); 1452 1453 // We translate this by hand to the -cc1 argument, since nightly test uses 1454 // it and developers have been trained to spell it with -mllvm. 1455 if (llvm::StringRef((*it)->getValue(Args, 0)) == "-disable-llvm-optzns") 1456 CmdArgs.push_back("-disable-llvm-optzns"); 1457 else 1458 (*it)->render(Args, CmdArgs); 1459 } 1460 1461 if (Output.getType() == types::TY_Dependencies) { 1462 // Handled with other dependency code. 1463 } else if (Output.isPipe()) { 1464 CmdArgs.push_back("-o"); 1465 CmdArgs.push_back("-"); 1466 } else if (Output.isFilename()) { 1467 CmdArgs.push_back("-o"); 1468 CmdArgs.push_back(Output.getFilename()); 1469 } else { 1470 assert(Output.isNothing() && "Invalid output."); 1471 } 1472 1473 for (InputInfoList::const_iterator 1474 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1475 const InputInfo &II = *it; 1476 CmdArgs.push_back("-x"); 1477 CmdArgs.push_back(types::getTypeName(II.getType())); 1478 if (II.isPipe()) 1479 CmdArgs.push_back("-"); 1480 else if (II.isFilename()) 1481 CmdArgs.push_back(II.getFilename()); 1482 else 1483 II.getInputArg().renderAsInput(Args, CmdArgs); 1484 } 1485 1486 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1487 1488 const char *Exec = 1489 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1490 1491 // Optionally embed the -cc1 level arguments into the debug info, for build 1492 // analysis. 1493 if (getToolChain().UseDwarfDebugFlags()) { 1494 ArgStringList OriginalArgs; 1495 for (ArgList::const_iterator it = Args.begin(), 1496 ie = Args.end(); it != ie; ++it) 1497 (*it)->render(Args, OriginalArgs); 1498 1499 llvm::SmallString<256> Flags; 1500 Flags += Exec; 1501 for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) { 1502 Flags += " "; 1503 Flags += OriginalArgs[i]; 1504 } 1505 CmdArgs.push_back("-dwarf-debug-flags"); 1506 CmdArgs.push_back(Args.MakeArgString(Flags.str())); 1507 } 1508 1509 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1510 1511 // Explicitly warn that these options are unsupported, even though 1512 // we are allowing compilation to continue. 1513 for (arg_iterator it = Args.filtered_begin(options::OPT_pg), 1514 ie = Args.filtered_end(); it != ie; ++it) { 1515 (*it)->claim(); 1516 D.Diag(clang::diag::warn_drv_clang_unsupported) << (*it)->getAsString(Args); 1517 } 1518 1519 // Claim some arguments which clang supports automatically. 1520 1521 // -fpch-preprocess is used with gcc to add a special marker in the output to 1522 // include the PCH file. Clang's PTH solution is completely transparent, so we 1523 // do not need to deal with it at all. 1524 Args.ClaimAllArgs(options::OPT_fpch_preprocess); 1525 1526 // Claim some arguments which clang doesn't support, but we don't 1527 // care to warn the user about. 1528 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); 1529 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); 1530} 1531 1532void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, 1533 Job &Dest, 1534 const InputInfo &Output, 1535 const InputInfoList &Inputs, 1536 const ArgList &Args, 1537 const char *LinkingOutput) const { 1538 const Driver &D = getToolChain().getDriver(); 1539 ArgStringList CmdArgs; 1540 1541 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 1542 const InputInfo &Input = Inputs[0]; 1543 1544 // Invoke ourselves in -cc1as mode. 1545 // 1546 // FIXME: Implement custom jobs for internal actions. 1547 CmdArgs.push_back("-cc1as"); 1548 1549 // Add the "effective" target triple. 1550 CmdArgs.push_back("-triple"); 1551 std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args); 1552 CmdArgs.push_back(Args.MakeArgString(TripleStr)); 1553 1554 // Set the output mode, we currently only expect to be used as a real 1555 // assembler. 1556 CmdArgs.push_back("-filetype"); 1557 CmdArgs.push_back("obj"); 1558 1559 // At -O0, we use -mrelax-all by default. 1560 bool IsOpt = false; 1561 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) 1562 IsOpt = !A->getOption().matches(options::OPT_O0); 1563 if (Args.hasFlag(options::OPT_mrelax_all, 1564 options::OPT_mno_relax_all, 1565 !IsOpt)) 1566 CmdArgs.push_back("-relax-all"); 1567 1568 // FIXME: Add -force_cpusubtype_ALL support, once we have it. 1569 1570 // FIXME: Add -g support, once we have it. 1571 1572 // FIXME: Add -static support, once we have it. 1573 1574 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 1575 options::OPT_Xassembler); 1576 1577 assert(Output.isFilename() && "Unexpected lipo output."); 1578 CmdArgs.push_back("-o"); 1579 CmdArgs.push_back(Output.getFilename()); 1580 1581 if (Input.isPipe()) { 1582 CmdArgs.push_back("-"); 1583 } else { 1584 assert(Input.isFilename() && "Invalid input."); 1585 CmdArgs.push_back(Input.getFilename()); 1586 } 1587 1588 const char *Exec = 1589 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1590 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1591} 1592 1593void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 1594 Job &Dest, 1595 const InputInfo &Output, 1596 const InputInfoList &Inputs, 1597 const ArgList &Args, 1598 const char *LinkingOutput) const { 1599 const Driver &D = getToolChain().getDriver(); 1600 ArgStringList CmdArgs; 1601 1602 for (ArgList::const_iterator 1603 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 1604 Arg *A = *it; 1605 if (A->getOption().hasForwardToGCC()) { 1606 // It is unfortunate that we have to claim here, as this means 1607 // we will basically never report anything interesting for 1608 // platforms using a generic gcc, even if we are just using gcc 1609 // to get to the assembler. 1610 A->claim(); 1611 A->render(Args, CmdArgs); 1612 } 1613 } 1614 1615 RenderExtraToolArgs(JA, CmdArgs); 1616 1617 // If using a driver driver, force the arch. 1618 const std::string &Arch = getToolChain().getArchName(); 1619 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) { 1620 CmdArgs.push_back("-arch"); 1621 1622 // FIXME: Remove these special cases. 1623 if (Arch == "powerpc") 1624 CmdArgs.push_back("ppc"); 1625 else if (Arch == "powerpc64") 1626 CmdArgs.push_back("ppc64"); 1627 else 1628 CmdArgs.push_back(Args.MakeArgString(Arch)); 1629 } 1630 1631 // Try to force gcc to match the tool chain we want, if we recognize 1632 // the arch. 1633 // 1634 // FIXME: The triple class should directly provide the information we want 1635 // here. 1636 if (Arch == "i386" || Arch == "powerpc") 1637 CmdArgs.push_back("-m32"); 1638 else if (Arch == "x86_64" || Arch == "powerpc64") 1639 CmdArgs.push_back("-m64"); 1640 1641 if (Output.isPipe()) { 1642 CmdArgs.push_back("-o"); 1643 CmdArgs.push_back("-"); 1644 } else if (Output.isFilename()) { 1645 CmdArgs.push_back("-o"); 1646 CmdArgs.push_back(Output.getFilename()); 1647 } else { 1648 assert(Output.isNothing() && "Unexpected output"); 1649 CmdArgs.push_back("-fsyntax-only"); 1650 } 1651 1652 1653 // Only pass -x if gcc will understand it; otherwise hope gcc 1654 // understands the suffix correctly. The main use case this would go 1655 // wrong in is for linker inputs if they happened to have an odd 1656 // suffix; really the only way to get this to happen is a command 1657 // like '-x foobar a.c' which will treat a.c like a linker input. 1658 // 1659 // FIXME: For the linker case specifically, can we safely convert 1660 // inputs into '-Wl,' options? 1661 for (InputInfoList::const_iterator 1662 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1663 const InputInfo &II = *it; 1664 1665 // Don't try to pass LLVM or AST inputs to a generic gcc. 1666 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || 1667 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) 1668 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 1669 << getToolChain().getTripleString(); 1670 else if (II.getType() == types::TY_AST) 1671 D.Diag(clang::diag::err_drv_no_ast_support) 1672 << getToolChain().getTripleString(); 1673 1674 if (types::canTypeBeUserSpecified(II.getType())) { 1675 CmdArgs.push_back("-x"); 1676 CmdArgs.push_back(types::getTypeName(II.getType())); 1677 } 1678 1679 if (II.isPipe()) 1680 CmdArgs.push_back("-"); 1681 else if (II.isFilename()) 1682 CmdArgs.push_back(II.getFilename()); 1683 else 1684 // Don't render as input, we need gcc to do the translations. 1685 II.getInputArg().render(Args, CmdArgs); 1686 } 1687 1688 const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str(); 1689 const char *Exec = 1690 Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); 1691 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1692} 1693 1694void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, 1695 ArgStringList &CmdArgs) const { 1696 CmdArgs.push_back("-E"); 1697} 1698 1699void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA, 1700 ArgStringList &CmdArgs) const { 1701 // The type is good enough. 1702} 1703 1704void gcc::Compile::RenderExtraToolArgs(const JobAction &JA, 1705 ArgStringList &CmdArgs) const { 1706 const Driver &D = getToolChain().getDriver(); 1707 1708 // If -flto, etc. are present then make sure not to force assembly output. 1709 if (JA.getType() == types::TY_LLVM_IR || JA.getType() == types::TY_LTO_IR || 1710 JA.getType() == types::TY_LLVM_BC || JA.getType() == types::TY_LTO_BC) 1711 CmdArgs.push_back("-c"); 1712 else { 1713 if (JA.getType() != types::TY_PP_Asm) 1714 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1715 << getTypeName(JA.getType()); 1716 1717 CmdArgs.push_back("-S"); 1718 } 1719} 1720 1721void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA, 1722 ArgStringList &CmdArgs) const { 1723 CmdArgs.push_back("-c"); 1724} 1725 1726void gcc::Link::RenderExtraToolArgs(const JobAction &JA, 1727 ArgStringList &CmdArgs) const { 1728 // The types are (hopefully) good enough. 1729} 1730 1731const char *darwin::CC1::getCC1Name(types::ID Type) const { 1732 switch (Type) { 1733 default: 1734 assert(0 && "Unexpected type for Darwin CC1 tool."); 1735 case types::TY_Asm: 1736 case types::TY_C: case types::TY_CHeader: 1737 case types::TY_PP_C: case types::TY_PP_CHeader: 1738 return "cc1"; 1739 case types::TY_ObjC: case types::TY_ObjCHeader: 1740 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 1741 return "cc1obj"; 1742 case types::TY_CXX: case types::TY_CXXHeader: 1743 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 1744 return "cc1plus"; 1745 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 1746 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 1747 return "cc1objplus"; 1748 } 1749} 1750 1751const char *darwin::CC1::getBaseInputName(const ArgList &Args, 1752 const InputInfoList &Inputs) { 1753 llvm::sys::Path P(Inputs[0].getBaseInput()); 1754 return Args.MakeArgString(P.getLast()); 1755} 1756 1757const char *darwin::CC1::getBaseInputStem(const ArgList &Args, 1758 const InputInfoList &Inputs) { 1759 const char *Str = getBaseInputName(Args, Inputs); 1760 1761 if (const char *End = strchr(Str, '.')) 1762 return Args.MakeArgString(std::string(Str, End)); 1763 1764 return Str; 1765} 1766 1767const char * 1768darwin::CC1::getDependencyFileName(const ArgList &Args, 1769 const InputInfoList &Inputs) { 1770 // FIXME: Think about this more. 1771 std::string Res; 1772 1773 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1774 std::string Str(OutputOpt->getValue(Args)); 1775 1776 Res = Str.substr(0, Str.rfind('.')); 1777 } else 1778 Res = darwin::CC1::getBaseInputStem(Args, Inputs); 1779 1780 return Args.MakeArgString(Res + ".d"); 1781} 1782 1783void darwin::CC1::AddCC1Args(const ArgList &Args, 1784 ArgStringList &CmdArgs) const { 1785 const Driver &D = getToolChain().getDriver(); 1786 1787 CheckCodeGenerationOptions(D, Args); 1788 1789 // Derived from cc1 spec. 1790 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) && 1791 !Args.hasArg(options::OPT_mdynamic_no_pic)) 1792 CmdArgs.push_back("-fPIC"); 1793 1794 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1795 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1796 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1797 CmdArgs.push_back("-fno-builtin-strcat"); 1798 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1799 CmdArgs.push_back("-fno-builtin-strcpy"); 1800 } 1801 1802 // gcc has some code here to deal with when no -mmacosx-version-min 1803 // and no -miphoneos-version-min is present, but this never happens 1804 // due to tool chain specific argument translation. 1805 1806 if (Args.hasArg(options::OPT_g_Flag) && 1807 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols)) 1808 CmdArgs.push_back("-feliminate-unused-debug-symbols"); 1809} 1810 1811void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1812 const InputInfoList &Inputs, 1813 const ArgStringList &OutputArgs) const { 1814 const Driver &D = getToolChain().getDriver(); 1815 1816 // Derived from cc1_options spec. 1817 if (Args.hasArg(options::OPT_fast) || 1818 Args.hasArg(options::OPT_fastf) || 1819 Args.hasArg(options::OPT_fastcp)) 1820 CmdArgs.push_back("-O3"); 1821 1822 if (Arg *A = Args.getLastArg(options::OPT_pg)) 1823 if (Args.hasArg(options::OPT_fomit_frame_pointer)) 1824 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1825 << A->getAsString(Args) << "-fomit-frame-pointer"; 1826 1827 AddCC1Args(Args, CmdArgs); 1828 1829 if (!Args.hasArg(options::OPT_Q)) 1830 CmdArgs.push_back("-quiet"); 1831 1832 CmdArgs.push_back("-dumpbase"); 1833 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 1834 1835 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1836 1837 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1838 Args.AddAllArgs(CmdArgs, options::OPT_a_Group); 1839 1840 // FIXME: The goal is to use the user provided -o if that is our 1841 // final output, otherwise to drive from the original input 1842 // name. Find a clean way to go about this. 1843 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 1844 Args.hasArg(options::OPT_o)) { 1845 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 1846 CmdArgs.push_back("-auxbase-strip"); 1847 CmdArgs.push_back(OutputOpt->getValue(Args)); 1848 } else { 1849 CmdArgs.push_back("-auxbase"); 1850 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs)); 1851 } 1852 1853 Args.AddAllArgs(CmdArgs, options::OPT_g_Group); 1854 1855 Args.AddAllArgs(CmdArgs, options::OPT_O); 1856 // FIXME: -Wall is getting some special treatment. Investigate. 1857 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1858 Args.AddLastArg(CmdArgs, options::OPT_w); 1859 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1860 options::OPT_trigraphs); 1861 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1862 // Honor -std-default. 1863 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1864 "-std=", /*Joined=*/true); 1865 } 1866 1867 if (Args.hasArg(options::OPT_v)) 1868 CmdArgs.push_back("-version"); 1869 if (Args.hasArg(options::OPT_pg)) 1870 CmdArgs.push_back("-p"); 1871 Args.AddLastArg(CmdArgs, options::OPT_p); 1872 1873 // The driver treats -fsyntax-only specially. 1874 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1875 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1876 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are 1877 // used to inhibit the default -fno-builtin-str{cat,cpy}. 1878 // 1879 // FIXME: Should we grow a better way to deal with "removing" args? 1880 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group, 1881 options::OPT_fsyntax_only), 1882 ie = Args.filtered_end(); it != ie; ++it) { 1883 if (!(*it)->getOption().matches(options::OPT_fbuiltin_strcat) && 1884 !(*it)->getOption().matches(options::OPT_fbuiltin_strcpy)) { 1885 (*it)->claim(); 1886 (*it)->render(Args, CmdArgs); 1887 } 1888 } 1889 } else 1890 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1891 1892 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1893 if (Args.hasArg(options::OPT_Qn)) 1894 CmdArgs.push_back("-fno-ident"); 1895 1896 // FIXME: This isn't correct. 1897 //Args.AddLastArg(CmdArgs, options::OPT__help) 1898 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp) 1899 1900 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1901 1902 // FIXME: Still don't get what is happening here. Investigate. 1903 Args.AddAllArgs(CmdArgs, options::OPT__param); 1904 1905 if (Args.hasArg(options::OPT_fmudflap) || 1906 Args.hasArg(options::OPT_fmudflapth)) { 1907 CmdArgs.push_back("-fno-builtin"); 1908 CmdArgs.push_back("-fno-merge-constants"); 1909 } 1910 1911 if (Args.hasArg(options::OPT_coverage)) { 1912 CmdArgs.push_back("-fprofile-arcs"); 1913 CmdArgs.push_back("-ftest-coverage"); 1914 } 1915 1916 if (types::isCXX(Inputs[0].getType())) 1917 CmdArgs.push_back("-D__private_extern__=extern"); 1918} 1919 1920void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1921 const InputInfoList &Inputs, 1922 const ArgStringList &OutputArgs) const { 1923 // Derived from cpp_options 1924 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1925 1926 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1927 1928 AddCC1Args(Args, CmdArgs); 1929 1930 // NOTE: The code below has some commonality with cpp_options, but 1931 // in classic gcc style ends up sending things in different 1932 // orders. This may be a good merge candidate once we drop pedantic 1933 // compatibility. 1934 1935 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1936 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1937 options::OPT_trigraphs); 1938 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1939 // Honor -std-default. 1940 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1941 "-std=", /*Joined=*/true); 1942 } 1943 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1944 Args.AddLastArg(CmdArgs, options::OPT_w); 1945 1946 // The driver treats -fsyntax-only specially. 1947 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1948 1949 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) && 1950 !Args.hasArg(options::OPT_fno_working_directory)) 1951 CmdArgs.push_back("-fworking-directory"); 1952 1953 Args.AddAllArgs(CmdArgs, options::OPT_O); 1954 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1955 if (Args.hasArg(options::OPT_save_temps)) 1956 CmdArgs.push_back("-fpch-preprocess"); 1957} 1958 1959void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args, 1960 ArgStringList &CmdArgs, 1961 const InputInfoList &Inputs) const { 1962 const Driver &D = getToolChain().getDriver(); 1963 1964 CheckPreprocessingOptions(D, Args); 1965 1966 // Derived from cpp_unique_options. 1967 // -{C,CC} only with -E is checked in CheckPreprocessingOptions(). 1968 Args.AddLastArg(CmdArgs, options::OPT_C); 1969 Args.AddLastArg(CmdArgs, options::OPT_CC); 1970 if (!Args.hasArg(options::OPT_Q)) 1971 CmdArgs.push_back("-quiet"); 1972 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc); 1973 Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx); 1974 Args.AddLastArg(CmdArgs, options::OPT_v); 1975 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 1976 Args.AddLastArg(CmdArgs, options::OPT_P); 1977 1978 // FIXME: Handle %I properly. 1979 if (getToolChain().getArchName() == "x86_64") { 1980 CmdArgs.push_back("-imultilib"); 1981 CmdArgs.push_back("x86_64"); 1982 } 1983 1984 if (Args.hasArg(options::OPT_MD)) { 1985 CmdArgs.push_back("-MD"); 1986 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1987 } 1988 1989 if (Args.hasArg(options::OPT_MMD)) { 1990 CmdArgs.push_back("-MMD"); 1991 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1992 } 1993 1994 Args.AddLastArg(CmdArgs, options::OPT_M); 1995 Args.AddLastArg(CmdArgs, options::OPT_MM); 1996 Args.AddAllArgs(CmdArgs, options::OPT_MF); 1997 Args.AddLastArg(CmdArgs, options::OPT_MG); 1998 Args.AddLastArg(CmdArgs, options::OPT_MP); 1999 Args.AddAllArgs(CmdArgs, options::OPT_MQ); 2000 Args.AddAllArgs(CmdArgs, options::OPT_MT); 2001 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) && 2002 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) { 2003 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 2004 CmdArgs.push_back("-MQ"); 2005 CmdArgs.push_back(OutputOpt->getValue(Args)); 2006 } 2007 } 2008 2009 Args.AddLastArg(CmdArgs, options::OPT_remap); 2010 if (Args.hasArg(options::OPT_g3)) 2011 CmdArgs.push_back("-dD"); 2012 Args.AddLastArg(CmdArgs, options::OPT_H); 2013 2014 AddCPPArgs(Args, CmdArgs); 2015 2016 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A); 2017 Args.AddAllArgs(CmdArgs, options::OPT_i_Group); 2018 2019 for (InputInfoList::const_iterator 2020 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2021 const InputInfo &II = *it; 2022 2023 if (II.isPipe()) 2024 CmdArgs.push_back("-"); 2025 else 2026 CmdArgs.push_back(II.getFilename()); 2027 } 2028 2029 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 2030 options::OPT_Xpreprocessor); 2031 2032 if (Args.hasArg(options::OPT_fmudflap)) { 2033 CmdArgs.push_back("-D_MUDFLAP"); 2034 CmdArgs.push_back("-include"); 2035 CmdArgs.push_back("mf-runtime.h"); 2036 } 2037 2038 if (Args.hasArg(options::OPT_fmudflapth)) { 2039 CmdArgs.push_back("-D_MUDFLAP"); 2040 CmdArgs.push_back("-D_MUDFLAPTH"); 2041 CmdArgs.push_back("-include"); 2042 CmdArgs.push_back("mf-runtime.h"); 2043 } 2044} 2045 2046void darwin::CC1::AddCPPArgs(const ArgList &Args, 2047 ArgStringList &CmdArgs) const { 2048 // Derived from cpp spec. 2049 2050 if (Args.hasArg(options::OPT_static)) { 2051 // The gcc spec is broken here, it refers to dynamic but 2052 // that has been translated. Start by being bug compatible. 2053 2054 // if (!Args.hasArg(arglist.parser.dynamicOption)) 2055 CmdArgs.push_back("-D__STATIC__"); 2056 } else 2057 CmdArgs.push_back("-D__DYNAMIC__"); 2058 2059 if (Args.hasArg(options::OPT_pthread)) 2060 CmdArgs.push_back("-D_REENTRANT"); 2061} 2062 2063void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA, 2064 Job &Dest, const InputInfo &Output, 2065 const InputInfoList &Inputs, 2066 const ArgList &Args, 2067 const char *LinkingOutput) const { 2068 ArgStringList CmdArgs; 2069 2070 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 2071 2072 CmdArgs.push_back("-E"); 2073 2074 if (Args.hasArg(options::OPT_traditional) || 2075 Args.hasArg(options::OPT_traditional_cpp)) 2076 CmdArgs.push_back("-traditional-cpp"); 2077 2078 ArgStringList OutputArgs; 2079 if (Output.isFilename()) { 2080 OutputArgs.push_back("-o"); 2081 OutputArgs.push_back(Output.getFilename()); 2082 } else { 2083 assert(Output.isPipe() && "Unexpected CC1 output."); 2084 } 2085 2086 if (Args.hasArg(options::OPT_E)) { 2087 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2088 } else { 2089 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2090 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2091 } 2092 2093 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 2094 2095 const char *CC1Name = getCC1Name(Inputs[0].getType()); 2096 const char *Exec = 2097 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 2098 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2099} 2100 2101void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, 2102 Job &Dest, const InputInfo &Output, 2103 const InputInfoList &Inputs, 2104 const ArgList &Args, 2105 const char *LinkingOutput) const { 2106 const Driver &D = getToolChain().getDriver(); 2107 ArgStringList CmdArgs; 2108 2109 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 2110 2111 types::ID InputType = Inputs[0].getType(); 2112 const Arg *A; 2113 if ((A = Args.getLastArg(options::OPT_traditional))) 2114 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2115 << A->getAsString(Args) << "-E"; 2116 2117 if (JA.getType() == types::TY_LLVM_IR || 2118 JA.getType() == types::TY_LTO_IR) 2119 CmdArgs.push_back("-emit-llvm"); 2120 else if (JA.getType() == types::TY_LLVM_BC || 2121 JA.getType() == types::TY_LTO_BC) 2122 CmdArgs.push_back("-emit-llvm-bc"); 2123 else if (Output.getType() == types::TY_AST) 2124 D.Diag(clang::diag::err_drv_no_ast_support) 2125 << getToolChain().getTripleString(); 2126 else if (JA.getType() != types::TY_PP_Asm && 2127 JA.getType() != types::TY_PCH) 2128 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 2129 << getTypeName(JA.getType()); 2130 2131 ArgStringList OutputArgs; 2132 if (Output.getType() != types::TY_PCH) { 2133 OutputArgs.push_back("-o"); 2134 if (Output.isPipe()) 2135 OutputArgs.push_back("-"); 2136 else if (Output.isNothing()) 2137 OutputArgs.push_back("/dev/null"); 2138 else 2139 OutputArgs.push_back(Output.getFilename()); 2140 } 2141 2142 // There is no need for this level of compatibility, but it makes 2143 // diffing easier. 2144 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) || 2145 Args.hasArg(options::OPT_S)); 2146 2147 if (types::getPreprocessedType(InputType) != types::TY_INVALID) { 2148 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 2149 if (OutputArgsEarly) { 2150 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2151 } else { 2152 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2153 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2154 } 2155 } else { 2156 CmdArgs.push_back("-fpreprocessed"); 2157 2158 for (InputInfoList::const_iterator 2159 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2160 const InputInfo &II = *it; 2161 2162 // Reject AST inputs. 2163 if (II.getType() == types::TY_AST) { 2164 D.Diag(clang::diag::err_drv_no_ast_support) 2165 << getToolChain().getTripleString(); 2166 return; 2167 } 2168 2169 if (II.isPipe()) 2170 CmdArgs.push_back("-"); 2171 else 2172 CmdArgs.push_back(II.getFilename()); 2173 } 2174 2175 if (OutputArgsEarly) { 2176 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2177 } else { 2178 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2179 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2180 } 2181 } 2182 2183 if (Output.getType() == types::TY_PCH) { 2184 assert(Output.isFilename() && "Invalid PCH output."); 2185 2186 CmdArgs.push_back("-o"); 2187 // NOTE: gcc uses a temp .s file for this, but there doesn't seem 2188 // to be a good reason. 2189 CmdArgs.push_back("/dev/null"); 2190 2191 CmdArgs.push_back("--output-pch="); 2192 CmdArgs.push_back(Output.getFilename()); 2193 } 2194 2195 const char *CC1Name = getCC1Name(Inputs[0].getType()); 2196 const char *Exec = 2197 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 2198 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2199} 2200 2201void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2202 Job &Dest, const InputInfo &Output, 2203 const InputInfoList &Inputs, 2204 const ArgList &Args, 2205 const char *LinkingOutput) const { 2206 ArgStringList CmdArgs; 2207 2208 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 2209 const InputInfo &Input = Inputs[0]; 2210 2211 // Bit of a hack, this is only used for original inputs. 2212 // 2213 // FIXME: This is broken for preprocessed .s inputs. 2214 if (Input.isFilename() && 2215 strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { 2216 if (Args.hasArg(options::OPT_gstabs)) 2217 CmdArgs.push_back("--gstabs"); 2218 else if (Args.hasArg(options::OPT_g_Group)) 2219 CmdArgs.push_back("--gdwarf2"); 2220 } 2221 2222 // Derived from asm spec. 2223 AddDarwinArch(Args, CmdArgs); 2224 2225 if (!getDarwinToolChain().isTargetIPhoneOS() || 2226 Args.hasArg(options::OPT_force__cpusubtype__ALL)) 2227 CmdArgs.push_back("-force_cpusubtype_ALL"); 2228 2229 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 && 2230 (Args.hasArg(options::OPT_mkernel) || 2231 Args.hasArg(options::OPT_static) || 2232 Args.hasArg(options::OPT_fapple_kext))) 2233 CmdArgs.push_back("-static"); 2234 2235 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2236 options::OPT_Xassembler); 2237 2238 assert(Output.isFilename() && "Unexpected lipo output."); 2239 CmdArgs.push_back("-o"); 2240 CmdArgs.push_back(Output.getFilename()); 2241 2242 if (Input.isPipe()) { 2243 CmdArgs.push_back("-"); 2244 } else { 2245 assert(Input.isFilename() && "Invalid input."); 2246 CmdArgs.push_back(Input.getFilename()); 2247 } 2248 2249 // asm_final spec is empty. 2250 2251 const char *Exec = 2252 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2253 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2254} 2255 2256void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, 2257 ArgStringList &CmdArgs) const { 2258 llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args); 2259 2260 // Derived from darwin_arch spec. 2261 CmdArgs.push_back("-arch"); 2262 CmdArgs.push_back(Args.MakeArgString(ArchName)); 2263 2264 // FIXME: Is this needed anymore? 2265 if (ArchName == "arm") 2266 CmdArgs.push_back("-force_cpusubtype_ALL"); 2267} 2268 2269void darwin::Link::AddLinkArgs(const ArgList &Args, 2270 ArgStringList &CmdArgs) const { 2271 const Driver &D = getToolChain().getDriver(); 2272 2273 // Derived from the "link" spec. 2274 Args.AddAllArgs(CmdArgs, options::OPT_static); 2275 if (!Args.hasArg(options::OPT_static)) 2276 CmdArgs.push_back("-dynamic"); 2277 if (Args.hasArg(options::OPT_fgnu_runtime)) { 2278 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu 2279 // here. How do we wish to handle such things? 2280 } 2281 2282 if (!Args.hasArg(options::OPT_dynamiclib)) { 2283 AddDarwinArch(Args, CmdArgs); 2284 // FIXME: Why do this only on this path? 2285 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL); 2286 2287 Args.AddLastArg(CmdArgs, options::OPT_bundle); 2288 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); 2289 Args.AddAllArgs(CmdArgs, options::OPT_client__name); 2290 2291 Arg *A; 2292 if ((A = Args.getLastArg(options::OPT_compatibility__version)) || 2293 (A = Args.getLastArg(options::OPT_current__version)) || 2294 (A = Args.getLastArg(options::OPT_install__name))) 2295 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2296 << A->getAsString(Args) << "-dynamiclib"; 2297 2298 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); 2299 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); 2300 Args.AddLastArg(CmdArgs, options::OPT_private__bundle); 2301 } else { 2302 CmdArgs.push_back("-dylib"); 2303 2304 Arg *A; 2305 if ((A = Args.getLastArg(options::OPT_bundle)) || 2306 (A = Args.getLastArg(options::OPT_bundle__loader)) || 2307 (A = Args.getLastArg(options::OPT_client__name)) || 2308 (A = Args.getLastArg(options::OPT_force__flat__namespace)) || 2309 (A = Args.getLastArg(options::OPT_keep__private__externs)) || 2310 (A = Args.getLastArg(options::OPT_private__bundle))) 2311 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 2312 << A->getAsString(Args) << "-dynamiclib"; 2313 2314 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, 2315 "-dylib_compatibility_version"); 2316 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, 2317 "-dylib_current_version"); 2318 2319 AddDarwinArch(Args, CmdArgs); 2320 2321 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, 2322 "-dylib_install_name"); 2323 } 2324 2325 Args.AddLastArg(CmdArgs, options::OPT_all__load); 2326 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); 2327 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); 2328 if (getDarwinToolChain().isTargetIPhoneOS()) 2329 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); 2330 Args.AddLastArg(CmdArgs, options::OPT_dead__strip); 2331 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); 2332 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); 2333 Args.AddLastArg(CmdArgs, options::OPT_dynamic); 2334 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); 2335 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); 2336 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); 2337 Args.AddAllArgs(CmdArgs, options::OPT_image__base); 2338 Args.AddAllArgs(CmdArgs, options::OPT_init); 2339 2340 // Adding all arguments doesn't make sense here but this is what gcc does. One 2341 // of this should always be present thanks to argument translation. 2342 assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) || 2343 Args.hasArg(options::OPT_miphoneos_version_min_EQ)) && 2344 "Missing version argument (lost in translation)?"); 2345 Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, 2346 "-macosx_version_min"); 2347 Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, 2348 "-iphoneos_version_min"); 2349 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); 2350 Args.AddLastArg(CmdArgs, options::OPT_multi__module); 2351 Args.AddLastArg(CmdArgs, options::OPT_single__module); 2352 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); 2353 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); 2354 2355 if (Args.hasArg(options::OPT_fpie)) 2356 CmdArgs.push_back("-pie"); 2357 2358 Args.AddLastArg(CmdArgs, options::OPT_prebind); 2359 Args.AddLastArg(CmdArgs, options::OPT_noprebind); 2360 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); 2361 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); 2362 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); 2363 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); 2364 Args.AddAllArgs(CmdArgs, options::OPT_sectorder); 2365 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); 2366 Args.AddAllArgs(CmdArgs, options::OPT_segprot); 2367 Args.AddAllArgs(CmdArgs, options::OPT_segaddr); 2368 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); 2369 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); 2370 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); 2371 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); 2372 Args.AddAllArgs(CmdArgs, options::OPT_sub__library); 2373 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); 2374 2375 Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); 2376 if (getDarwinToolChain().isTargetIPhoneOS()) { 2377 if (!Args.hasArg(options::OPT_isysroot)) { 2378 CmdArgs.push_back("-syslibroot"); 2379 CmdArgs.push_back("/Developer/SDKs/Extra"); 2380 } 2381 } 2382 2383 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); 2384 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); 2385 Args.AddAllArgs(CmdArgs, options::OPT_umbrella); 2386 Args.AddAllArgs(CmdArgs, options::OPT_undefined); 2387 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); 2388 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); 2389 Args.AddLastArg(CmdArgs, options::OPT_X_Flag); 2390 Args.AddAllArgs(CmdArgs, options::OPT_y); 2391 Args.AddLastArg(CmdArgs, options::OPT_w); 2392 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); 2393 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); 2394 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); 2395 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); 2396 Args.AddAllArgs(CmdArgs, options::OPT_sectalign); 2397 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); 2398 Args.AddAllArgs(CmdArgs, options::OPT_segcreate); 2399 Args.AddLastArg(CmdArgs, options::OPT_whyload); 2400 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); 2401 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); 2402 Args.AddLastArg(CmdArgs, options::OPT_dylinker); 2403 Args.AddLastArg(CmdArgs, options::OPT_Mach); 2404} 2405 2406void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, 2407 Job &Dest, const InputInfo &Output, 2408 const InputInfoList &Inputs, 2409 const ArgList &Args, 2410 const char *LinkingOutput) const { 2411 assert(Output.getType() == types::TY_Image && "Invalid linker output type."); 2412 2413 // The logic here is derived from gcc's behavior; most of which 2414 // comes from specs (starting with link_command). Consult gcc for 2415 // more information. 2416 ArgStringList CmdArgs; 2417 2418 // I'm not sure why this particular decomposition exists in gcc, but 2419 // we follow suite for ease of comparison. 2420 AddLinkArgs(Args, CmdArgs); 2421 2422 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); 2423 Args.AddAllArgs(CmdArgs, options::OPT_s); 2424 Args.AddAllArgs(CmdArgs, options::OPT_t); 2425 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); 2426 Args.AddAllArgs(CmdArgs, options::OPT_u_Group); 2427 Args.AddAllArgs(CmdArgs, options::OPT_A); 2428 Args.AddLastArg(CmdArgs, options::OPT_e); 2429 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate); 2430 Args.AddAllArgs(CmdArgs, options::OPT_r); 2431 2432 CmdArgs.push_back("-o"); 2433 CmdArgs.push_back(Output.getFilename()); 2434 2435 if (!Args.hasArg(options::OPT_A) && 2436 !Args.hasArg(options::OPT_nostdlib) && 2437 !Args.hasArg(options::OPT_nostartfiles)) { 2438 // Derived from startfile spec. 2439 if (Args.hasArg(options::OPT_dynamiclib)) { 2440 // Derived from darwin_dylib1 spec. 2441 if (getDarwinToolChain().isTargetIPhoneOS()) { 2442 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2443 CmdArgs.push_back("-ldylib1.o"); 2444 } else { 2445 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2446 CmdArgs.push_back("-ldylib1.o"); 2447 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2448 CmdArgs.push_back("-ldylib1.10.5.o"); 2449 } 2450 } else { 2451 if (Args.hasArg(options::OPT_bundle)) { 2452 if (!Args.hasArg(options::OPT_static)) { 2453 // Derived from darwin_bundle1 spec. 2454 if (getDarwinToolChain().isTargetIPhoneOS()) { 2455 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2456 CmdArgs.push_back("-lbundle1.o"); 2457 } else { 2458 if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2459 CmdArgs.push_back("-lbundle1.o"); 2460 } 2461 } 2462 } else { 2463 if (Args.hasArg(options::OPT_pg)) { 2464 if (Args.hasArg(options::OPT_static) || 2465 Args.hasArg(options::OPT_object) || 2466 Args.hasArg(options::OPT_preload)) { 2467 CmdArgs.push_back("-lgcrt0.o"); 2468 } else { 2469 CmdArgs.push_back("-lgcrt1.o"); 2470 2471 // darwin_crt2 spec is empty. 2472 } 2473 } else { 2474 if (Args.hasArg(options::OPT_static) || 2475 Args.hasArg(options::OPT_object) || 2476 Args.hasArg(options::OPT_preload)) { 2477 CmdArgs.push_back("-lcrt0.o"); 2478 } else { 2479 // Derived from darwin_crt1 spec. 2480 if (getDarwinToolChain().isTargetIPhoneOS()) { 2481 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2482 CmdArgs.push_back("-lcrt1.o"); 2483 else 2484 CmdArgs.push_back("-lcrt1.3.1.o"); 2485 } else { 2486 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2487 CmdArgs.push_back("-lcrt1.o"); 2488 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2489 CmdArgs.push_back("-lcrt1.10.5.o"); 2490 else 2491 CmdArgs.push_back("-lcrt1.10.6.o"); 2492 2493 // darwin_crt2 spec is empty. 2494 } 2495 } 2496 } 2497 } 2498 } 2499 2500 if (!getDarwinToolChain().isTargetIPhoneOS() && 2501 Args.hasArg(options::OPT_shared_libgcc) && 2502 getDarwinToolChain().isMacosxVersionLT(10, 5)) { 2503 const char *Str = 2504 Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o")); 2505 CmdArgs.push_back(Str); 2506 } 2507 } 2508 2509 Args.AddAllArgs(CmdArgs, options::OPT_L); 2510 2511 if (Args.hasArg(options::OPT_fopenmp)) 2512 // This is more complicated in gcc... 2513 CmdArgs.push_back("-lgomp"); 2514 2515 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); 2516 2517 for (InputInfoList::const_iterator 2518 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2519 const InputInfo &II = *it; 2520 if (II.isFilename()) 2521 CmdArgs.push_back(II.getFilename()); 2522 else 2523 II.getInputArg().renderAsInput(Args, CmdArgs); 2524 } 2525 2526 if (LinkingOutput) { 2527 CmdArgs.push_back("-arch_multiple"); 2528 CmdArgs.push_back("-final_output"); 2529 CmdArgs.push_back(LinkingOutput); 2530 } 2531 2532 if (Args.hasArg(options::OPT_fprofile_arcs) || 2533 Args.hasArg(options::OPT_fprofile_generate) || 2534 Args.hasArg(options::OPT_fcreate_profile) || 2535 Args.hasArg(options::OPT_coverage)) 2536 CmdArgs.push_back("-lgcov"); 2537 2538 if (Args.hasArg(options::OPT_fnested_functions)) 2539 CmdArgs.push_back("-allow_stack_execute"); 2540 2541 if (!Args.hasArg(options::OPT_nostdlib) && 2542 !Args.hasArg(options::OPT_nodefaultlibs)) { 2543 // FIXME: g++ is more complicated here, it tries to put -lstdc++ 2544 // before -lm, for example. 2545 if (getToolChain().getDriver().CCCIsCXX) 2546 CmdArgs.push_back("-lstdc++"); 2547 2548 // link_ssp spec is empty. 2549 2550 // Let the tool chain choose which runtime library to link. 2551 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); 2552 } 2553 2554 if (!Args.hasArg(options::OPT_A) && 2555 !Args.hasArg(options::OPT_nostdlib) && 2556 !Args.hasArg(options::OPT_nostartfiles)) { 2557 // endfile_spec is empty. 2558 } 2559 2560 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2561 Args.AddAllArgs(CmdArgs, options::OPT_F); 2562 2563 const char *Exec = 2564 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2565 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2566} 2567 2568void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, 2569 Job &Dest, const InputInfo &Output, 2570 const InputInfoList &Inputs, 2571 const ArgList &Args, 2572 const char *LinkingOutput) const { 2573 ArgStringList CmdArgs; 2574 2575 CmdArgs.push_back("-create"); 2576 assert(Output.isFilename() && "Unexpected lipo output."); 2577 2578 CmdArgs.push_back("-output"); 2579 CmdArgs.push_back(Output.getFilename()); 2580 2581 for (InputInfoList::const_iterator 2582 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2583 const InputInfo &II = *it; 2584 assert(II.isFilename() && "Unexpected lipo input."); 2585 CmdArgs.push_back(II.getFilename()); 2586 } 2587 const char *Exec = 2588 Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo")); 2589 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2590} 2591 2592void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA, 2593 Job &Dest, const InputInfo &Output, 2594 const InputInfoList &Inputs, 2595 const ArgList &Args, 2596 const char *LinkingOutput) const { 2597 ArgStringList CmdArgs; 2598 2599 assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); 2600 const InputInfo &Input = Inputs[0]; 2601 assert(Input.isFilename() && "Unexpected dsymutil input."); 2602 CmdArgs.push_back(Input.getFilename()); 2603 2604 CmdArgs.push_back("-o"); 2605 CmdArgs.push_back(Output.getFilename()); 2606 2607 const char *Exec = 2608 Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); 2609 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2610} 2611 2612void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2613 Job &Dest, const InputInfo &Output, 2614 const InputInfoList &Inputs, 2615 const ArgList &Args, 2616 const char *LinkingOutput) const { 2617 ArgStringList CmdArgs; 2618 2619 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2620 options::OPT_Xassembler); 2621 2622 CmdArgs.push_back("-o"); 2623 if (Output.isPipe()) 2624 CmdArgs.push_back("-"); 2625 else 2626 CmdArgs.push_back(Output.getFilename()); 2627 2628 for (InputInfoList::const_iterator 2629 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2630 const InputInfo &II = *it; 2631 if (II.isPipe()) 2632 CmdArgs.push_back("-"); 2633 else 2634 CmdArgs.push_back(II.getFilename()); 2635 } 2636 2637 const char *Exec = 2638 Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); 2639 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2640} 2641 2642void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, 2643 Job &Dest, const InputInfo &Output, 2644 const InputInfoList &Inputs, 2645 const ArgList &Args, 2646 const char *LinkingOutput) const { 2647 const Driver &D = getToolChain().getDriver(); 2648 ArgStringList CmdArgs; 2649 2650 if ((!Args.hasArg(options::OPT_nostdlib)) && 2651 (!Args.hasArg(options::OPT_shared))) { 2652 CmdArgs.push_back("-e"); 2653 CmdArgs.push_back("_start"); 2654 } 2655 2656 if (Args.hasArg(options::OPT_static)) { 2657 CmdArgs.push_back("-Bstatic"); 2658 CmdArgs.push_back("-dn"); 2659 } else { 2660// CmdArgs.push_back("--eh-frame-hdr"); 2661 CmdArgs.push_back("-Bdynamic"); 2662 if (Args.hasArg(options::OPT_shared)) { 2663 CmdArgs.push_back("-shared"); 2664 } else { 2665 CmdArgs.push_back("--dynamic-linker"); 2666 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 2667 } 2668 } 2669 2670 if (Output.isPipe()) { 2671 CmdArgs.push_back("-o"); 2672 CmdArgs.push_back("-"); 2673 } else if (Output.isFilename()) { 2674 CmdArgs.push_back("-o"); 2675 CmdArgs.push_back(Output.getFilename()); 2676 } else { 2677 assert(Output.isNothing() && "Invalid output."); 2678 } 2679 2680 if (!Args.hasArg(options::OPT_nostdlib) && 2681 !Args.hasArg(options::OPT_nostartfiles)) { 2682 if (!Args.hasArg(options::OPT_shared)) { 2683 CmdArgs.push_back(Args.MakeArgString( 2684 getToolChain().GetFilePath(C, "crt1.o"))); 2685 CmdArgs.push_back(Args.MakeArgString( 2686 getToolChain().GetFilePath(C, "crti.o"))); 2687 CmdArgs.push_back(Args.MakeArgString( 2688 getToolChain().GetFilePath(C, "crtbegin.o"))); 2689 } else { 2690 CmdArgs.push_back(Args.MakeArgString( 2691 getToolChain().GetFilePath(C, "crti.o"))); 2692 } 2693 CmdArgs.push_back(Args.MakeArgString( 2694 getToolChain().GetFilePath(C, "crtn.o"))); 2695 } 2696 2697 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/" 2698 + getToolChain().getTripleString() 2699 + "/4.2.4")); 2700 2701 Args.AddAllArgs(CmdArgs, options::OPT_L); 2702 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2703 Args.AddAllArgs(CmdArgs, options::OPT_e); 2704 2705 for (InputInfoList::const_iterator 2706 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2707 const InputInfo &II = *it; 2708 2709 // Don't try to pass LLVM inputs to a generic gcc. 2710 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || 2711 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) 2712 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2713 << getToolChain().getTripleString(); 2714 2715 if (II.isPipe()) 2716 CmdArgs.push_back("-"); 2717 else if (II.isFilename()) 2718 CmdArgs.push_back(II.getFilename()); 2719 else 2720 II.getInputArg().renderAsInput(Args, CmdArgs); 2721 } 2722 2723 if (!Args.hasArg(options::OPT_nostdlib) && 2724 !Args.hasArg(options::OPT_nodefaultlibs)) { 2725 // FIXME: For some reason GCC passes -lgcc before adding 2726 // the default system libraries. Just mimic this for now. 2727 CmdArgs.push_back("-lgcc"); 2728 2729 if (Args.hasArg(options::OPT_pthread)) 2730 CmdArgs.push_back("-pthread"); 2731 if (!Args.hasArg(options::OPT_shared)) 2732 CmdArgs.push_back("-lc"); 2733 CmdArgs.push_back("-lgcc"); 2734 } 2735 2736 if (!Args.hasArg(options::OPT_nostdlib) && 2737 !Args.hasArg(options::OPT_nostartfiles)) { 2738 if (!Args.hasArg(options::OPT_shared)) 2739 CmdArgs.push_back(Args.MakeArgString( 2740 getToolChain().GetFilePath(C, "crtend.o"))); 2741 } 2742 2743 const char *Exec = 2744 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2745 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2746} 2747 2748void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2749 Job &Dest, const InputInfo &Output, 2750 const InputInfoList &Inputs, 2751 const ArgList &Args, 2752 const char *LinkingOutput) const { 2753 ArgStringList CmdArgs; 2754 2755 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2756 options::OPT_Xassembler); 2757 2758 CmdArgs.push_back("-o"); 2759 if (Output.isPipe()) 2760 CmdArgs.push_back("-"); 2761 else 2762 CmdArgs.push_back(Output.getFilename()); 2763 2764 for (InputInfoList::const_iterator 2765 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2766 const InputInfo &II = *it; 2767 if (II.isPipe()) 2768 CmdArgs.push_back("-"); 2769 else 2770 CmdArgs.push_back(II.getFilename()); 2771 } 2772 2773 const char *Exec = 2774 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2775 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2776} 2777 2778void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2779 Job &Dest, const InputInfo &Output, 2780 const InputInfoList &Inputs, 2781 const ArgList &Args, 2782 const char *LinkingOutput) const { 2783 const Driver &D = getToolChain().getDriver(); 2784 ArgStringList CmdArgs; 2785 2786 if ((!Args.hasArg(options::OPT_nostdlib)) && 2787 (!Args.hasArg(options::OPT_shared))) { 2788 CmdArgs.push_back("-e"); 2789 CmdArgs.push_back("__start"); 2790 } 2791 2792 if (Args.hasArg(options::OPT_static)) { 2793 CmdArgs.push_back("-Bstatic"); 2794 } else { 2795 CmdArgs.push_back("--eh-frame-hdr"); 2796 CmdArgs.push_back("-Bdynamic"); 2797 if (Args.hasArg(options::OPT_shared)) { 2798 CmdArgs.push_back("-shared"); 2799 } else { 2800 CmdArgs.push_back("-dynamic-linker"); 2801 CmdArgs.push_back("/usr/libexec/ld.so"); 2802 } 2803 } 2804 2805 if (Output.isPipe()) { 2806 CmdArgs.push_back("-o"); 2807 CmdArgs.push_back("-"); 2808 } else if (Output.isFilename()) { 2809 CmdArgs.push_back("-o"); 2810 CmdArgs.push_back(Output.getFilename()); 2811 } else { 2812 assert(Output.isNothing() && "Invalid output."); 2813 } 2814 2815 if (!Args.hasArg(options::OPT_nostdlib) && 2816 !Args.hasArg(options::OPT_nostartfiles)) { 2817 if (!Args.hasArg(options::OPT_shared)) { 2818 CmdArgs.push_back(Args.MakeArgString( 2819 getToolChain().GetFilePath(C, "crt0.o"))); 2820 CmdArgs.push_back(Args.MakeArgString( 2821 getToolChain().GetFilePath(C, "crtbegin.o"))); 2822 } else { 2823 CmdArgs.push_back(Args.MakeArgString( 2824 getToolChain().GetFilePath(C, "crtbeginS.o"))); 2825 } 2826 } 2827 2828 std::string Triple = getToolChain().getTripleString(); 2829 if (Triple.substr(0, 6) == "x86_64") 2830 Triple.replace(0, 6, "amd64"); 2831 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + 2832 "/3.3.5")); 2833 2834 Args.AddAllArgs(CmdArgs, options::OPT_L); 2835 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2836 Args.AddAllArgs(CmdArgs, options::OPT_e); 2837 2838 for (InputInfoList::const_iterator 2839 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2840 const InputInfo &II = *it; 2841 2842 // Don't try to pass LLVM inputs to a generic gcc. 2843 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || 2844 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) 2845 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2846 << getToolChain().getTripleString(); 2847 2848 if (II.isPipe()) 2849 CmdArgs.push_back("-"); 2850 else if (II.isFilename()) 2851 CmdArgs.push_back(II.getFilename()); 2852 else 2853 II.getInputArg().renderAsInput(Args, CmdArgs); 2854 } 2855 2856 if (!Args.hasArg(options::OPT_nostdlib) && 2857 !Args.hasArg(options::OPT_nodefaultlibs)) { 2858 // FIXME: For some reason GCC passes -lgcc before adding 2859 // the default system libraries. Just mimic this for now. 2860 CmdArgs.push_back("-lgcc"); 2861 2862 if (Args.hasArg(options::OPT_pthread)) 2863 CmdArgs.push_back("-pthread"); 2864 if (!Args.hasArg(options::OPT_shared)) 2865 CmdArgs.push_back("-lc"); 2866 CmdArgs.push_back("-lgcc"); 2867 } 2868 2869 if (!Args.hasArg(options::OPT_nostdlib) && 2870 !Args.hasArg(options::OPT_nostartfiles)) { 2871 if (!Args.hasArg(options::OPT_shared)) 2872 CmdArgs.push_back(Args.MakeArgString( 2873 getToolChain().GetFilePath(C, "crtend.o"))); 2874 else 2875 CmdArgs.push_back(Args.MakeArgString( 2876 getToolChain().GetFilePath(C, "crtendS.o"))); 2877 } 2878 2879 const char *Exec = 2880 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2881 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2882} 2883 2884void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2885 Job &Dest, const InputInfo &Output, 2886 const InputInfoList &Inputs, 2887 const ArgList &Args, 2888 const char *LinkingOutput) const { 2889 ArgStringList CmdArgs; 2890 2891 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2892 // instruct as in the base system to assemble 32-bit code. 2893 if (getToolChain().getArchName() == "i386") 2894 CmdArgs.push_back("--32"); 2895 2896 2897 // Set byte order explicitly 2898 if (getToolChain().getArchName() == "mips") 2899 CmdArgs.push_back("-EB"); 2900 else if (getToolChain().getArchName() == "mipsel") 2901 CmdArgs.push_back("-EL"); 2902 2903 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2904 options::OPT_Xassembler); 2905 2906 CmdArgs.push_back("-o"); 2907 if (Output.isPipe()) 2908 CmdArgs.push_back("-"); 2909 else 2910 CmdArgs.push_back(Output.getFilename()); 2911 2912 for (InputInfoList::const_iterator 2913 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2914 const InputInfo &II = *it; 2915 if (II.isPipe()) 2916 CmdArgs.push_back("-"); 2917 else 2918 CmdArgs.push_back(II.getFilename()); 2919 } 2920 2921 const char *Exec = 2922 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2923 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2924} 2925 2926void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2927 Job &Dest, const InputInfo &Output, 2928 const InputInfoList &Inputs, 2929 const ArgList &Args, 2930 const char *LinkingOutput) const { 2931 const Driver &D = getToolChain().getDriver(); 2932 ArgStringList CmdArgs; 2933 2934 if (Args.hasArg(options::OPT_static)) { 2935 CmdArgs.push_back("-Bstatic"); 2936 } else { 2937 CmdArgs.push_back("--eh-frame-hdr"); 2938 if (Args.hasArg(options::OPT_shared)) { 2939 CmdArgs.push_back("-Bshareable"); 2940 } else { 2941 CmdArgs.push_back("-dynamic-linker"); 2942 CmdArgs.push_back("/libexec/ld-elf.so.1"); 2943 } 2944 } 2945 2946 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2947 // instruct ld in the base system to link 32-bit code. 2948 if (getToolChain().getArchName() == "i386") { 2949 CmdArgs.push_back("-m"); 2950 CmdArgs.push_back("elf_i386_fbsd"); 2951 } 2952 2953 if (Output.isPipe()) { 2954 CmdArgs.push_back("-o"); 2955 CmdArgs.push_back("-"); 2956 } else if (Output.isFilename()) { 2957 CmdArgs.push_back("-o"); 2958 CmdArgs.push_back(Output.getFilename()); 2959 } else { 2960 assert(Output.isNothing() && "Invalid output."); 2961 } 2962 2963 if (!Args.hasArg(options::OPT_nostdlib) && 2964 !Args.hasArg(options::OPT_nostartfiles)) { 2965 if (!Args.hasArg(options::OPT_shared)) { 2966 CmdArgs.push_back(Args.MakeArgString( 2967 getToolChain().GetFilePath(C, "crt1.o"))); 2968 CmdArgs.push_back(Args.MakeArgString( 2969 getToolChain().GetFilePath(C, "crti.o"))); 2970 CmdArgs.push_back(Args.MakeArgString( 2971 getToolChain().GetFilePath(C, "crtbegin.o"))); 2972 } else { 2973 CmdArgs.push_back(Args.MakeArgString( 2974 getToolChain().GetFilePath(C, "crti.o"))); 2975 CmdArgs.push_back(Args.MakeArgString( 2976 getToolChain().GetFilePath(C, "crtbeginS.o"))); 2977 } 2978 } 2979 2980 Args.AddAllArgs(CmdArgs, options::OPT_L); 2981 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2982 Args.AddAllArgs(CmdArgs, options::OPT_e); 2983 2984 for (InputInfoList::const_iterator 2985 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2986 const InputInfo &II = *it; 2987 2988 // Don't try to pass LLVM inputs to a generic gcc. 2989 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || 2990 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) 2991 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2992 << getToolChain().getTripleString(); 2993 2994 if (II.isPipe()) 2995 CmdArgs.push_back("-"); 2996 else if (II.isFilename()) 2997 CmdArgs.push_back(II.getFilename()); 2998 else 2999 II.getInputArg().renderAsInput(Args, CmdArgs); 3000 } 3001 3002 if (!Args.hasArg(options::OPT_nostdlib) && 3003 !Args.hasArg(options::OPT_nodefaultlibs)) { 3004 if (D.CCCIsCXX) { 3005 CmdArgs.push_back("-lstdc++"); 3006 CmdArgs.push_back("-lm"); 3007 } 3008 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding 3009 // the default system libraries. Just mimic this for now. 3010 CmdArgs.push_back("-lgcc"); 3011 if (Args.hasArg(options::OPT_static)) { 3012 CmdArgs.push_back("-lgcc_eh"); 3013 } else { 3014 CmdArgs.push_back("--as-needed"); 3015 CmdArgs.push_back("-lgcc_s"); 3016 CmdArgs.push_back("--no-as-needed"); 3017 } 3018 3019 if (Args.hasArg(options::OPT_pthread)) 3020 CmdArgs.push_back("-lpthread"); 3021 CmdArgs.push_back("-lc"); 3022 3023 CmdArgs.push_back("-lgcc"); 3024 if (Args.hasArg(options::OPT_static)) { 3025 CmdArgs.push_back("-lgcc_eh"); 3026 } else { 3027 CmdArgs.push_back("--as-needed"); 3028 CmdArgs.push_back("-lgcc_s"); 3029 CmdArgs.push_back("--no-as-needed"); 3030 } 3031 } 3032 3033 if (!Args.hasArg(options::OPT_nostdlib) && 3034 !Args.hasArg(options::OPT_nostartfiles)) { 3035 if (!Args.hasArg(options::OPT_shared)) 3036 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, 3037 "crtend.o"))); 3038 else 3039 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, 3040 "crtendS.o"))); 3041 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, 3042 "crtn.o"))); 3043 } 3044 3045 const char *Exec = 3046 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 3047 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3048} 3049 3050void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 3051 Job &Dest, const InputInfo &Output, 3052 const InputInfoList &Inputs, 3053 const ArgList &Args, 3054 const char *LinkingOutput) const { 3055 ArgStringList CmdArgs; 3056 3057 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 3058 options::OPT_Xassembler); 3059 3060 CmdArgs.push_back("-o"); 3061 if (Output.isPipe()) 3062 CmdArgs.push_back("-"); 3063 else 3064 CmdArgs.push_back(Output.getFilename()); 3065 3066 for (InputInfoList::const_iterator 3067 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3068 const InputInfo &II = *it; 3069 if (II.isPipe()) 3070 CmdArgs.push_back("-"); 3071 else 3072 CmdArgs.push_back(II.getFilename()); 3073 } 3074 3075 const char *Exec = 3076 Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); 3077 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3078} 3079 3080void minix::Link::ConstructJob(Compilation &C, const JobAction &JA, 3081 Job &Dest, const InputInfo &Output, 3082 const InputInfoList &Inputs, 3083 const ArgList &Args, 3084 const char *LinkingOutput) const { 3085 const Driver &D = getToolChain().getDriver(); 3086 ArgStringList CmdArgs; 3087 3088 if (Output.isPipe()) { 3089 CmdArgs.push_back("-o"); 3090 CmdArgs.push_back("-"); 3091 } else if (Output.isFilename()) { 3092 CmdArgs.push_back("-o"); 3093 CmdArgs.push_back(Output.getFilename()); 3094 } else { 3095 assert(Output.isNothing() && "Invalid output."); 3096 } 3097 3098 if (!Args.hasArg(options::OPT_nostdlib) && 3099 !Args.hasArg(options::OPT_nostartfiles)) 3100 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, 3101 "/usr/gnu/lib/crtso.o"))); 3102 3103 Args.AddAllArgs(CmdArgs, options::OPT_L); 3104 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 3105 Args.AddAllArgs(CmdArgs, options::OPT_e); 3106 3107 for (InputInfoList::const_iterator 3108 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3109 const InputInfo &II = *it; 3110 3111 // Don't try to pass LLVM inputs to a generic gcc. 3112 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || 3113 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) 3114 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 3115 << getToolChain().getTripleString(); 3116 3117 if (II.isPipe()) 3118 CmdArgs.push_back("-"); 3119 else if (II.isFilename()) 3120 CmdArgs.push_back(II.getFilename()); 3121 else 3122 II.getInputArg().renderAsInput(Args, CmdArgs); 3123 } 3124 3125 if (!Args.hasArg(options::OPT_nostdlib) && 3126 !Args.hasArg(options::OPT_nodefaultlibs)) { 3127 if (D.CCCIsCXX) { 3128 CmdArgs.push_back("-lstdc++"); 3129 CmdArgs.push_back("-lm"); 3130 } 3131 3132 if (Args.hasArg(options::OPT_pthread)) 3133 CmdArgs.push_back("-lpthread"); 3134 CmdArgs.push_back("-lc"); 3135 CmdArgs.push_back("-lgcc"); 3136 CmdArgs.push_back("-L/usr/gnu/lib"); 3137 // FIXME: fill in the correct search path for the final 3138 // support libraries. 3139 CmdArgs.push_back("-L/usr/gnu/lib/gcc/i686-pc-minix/4.4.3"); 3140 } 3141 3142 if (!Args.hasArg(options::OPT_nostdlib) && 3143 !Args.hasArg(options::OPT_nostartfiles)) { 3144 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, 3145 "/usr/gnu/lib/libend.a"))); 3146 } 3147 3148 const char *Exec = 3149 Args.MakeArgString(getToolChain().GetProgramPath(C, "/usr/gnu/bin/gld")); 3150 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3151} 3152 3153/// DragonFly Tools 3154 3155// For now, DragonFly Assemble does just about the same as for 3156// FreeBSD, but this may change soon. 3157void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 3158 Job &Dest, const InputInfo &Output, 3159 const InputInfoList &Inputs, 3160 const ArgList &Args, 3161 const char *LinkingOutput) const { 3162 ArgStringList CmdArgs; 3163 3164 // When building 32-bit code on DragonFly/pc64, we have to explicitly 3165 // instruct as in the base system to assemble 32-bit code. 3166 if (getToolChain().getArchName() == "i386") 3167 CmdArgs.push_back("--32"); 3168 3169 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 3170 options::OPT_Xassembler); 3171 3172 CmdArgs.push_back("-o"); 3173 if (Output.isPipe()) 3174 CmdArgs.push_back("-"); 3175 else 3176 CmdArgs.push_back(Output.getFilename()); 3177 3178 for (InputInfoList::const_iterator 3179 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3180 const InputInfo &II = *it; 3181 if (II.isPipe()) 3182 CmdArgs.push_back("-"); 3183 else 3184 CmdArgs.push_back(II.getFilename()); 3185 } 3186 3187 const char *Exec = 3188 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 3189 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3190} 3191 3192void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, 3193 Job &Dest, const InputInfo &Output, 3194 const InputInfoList &Inputs, 3195 const ArgList &Args, 3196 const char *LinkingOutput) const { 3197 const Driver &D = getToolChain().getDriver(); 3198 ArgStringList CmdArgs; 3199 3200 if (Args.hasArg(options::OPT_static)) { 3201 CmdArgs.push_back("-Bstatic"); 3202 } else { 3203 if (Args.hasArg(options::OPT_shared)) 3204 CmdArgs.push_back("-Bshareable"); 3205 else { 3206 CmdArgs.push_back("-dynamic-linker"); 3207 CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); 3208 } 3209 } 3210 3211 // When building 32-bit code on DragonFly/pc64, we have to explicitly 3212 // instruct ld in the base system to link 32-bit code. 3213 if (getToolChain().getArchName() == "i386") { 3214 CmdArgs.push_back("-m"); 3215 CmdArgs.push_back("elf_i386"); 3216 } 3217 3218 if (Output.isPipe()) { 3219 CmdArgs.push_back("-o"); 3220 CmdArgs.push_back("-"); 3221 } else if (Output.isFilename()) { 3222 CmdArgs.push_back("-o"); 3223 CmdArgs.push_back(Output.getFilename()); 3224 } else { 3225 assert(Output.isNothing() && "Invalid output."); 3226 } 3227 3228 if (!Args.hasArg(options::OPT_nostdlib) && 3229 !Args.hasArg(options::OPT_nostartfiles)) { 3230 if (!Args.hasArg(options::OPT_shared)) { 3231 CmdArgs.push_back( 3232 Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 3233 CmdArgs.push_back( 3234 Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 3235 CmdArgs.push_back( 3236 Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 3237 } else { 3238 CmdArgs.push_back( 3239 Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 3240 CmdArgs.push_back( 3241 Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 3242 } 3243 } 3244 3245 Args.AddAllArgs(CmdArgs, options::OPT_L); 3246 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 3247 Args.AddAllArgs(CmdArgs, options::OPT_e); 3248 3249 for (InputInfoList::const_iterator 3250 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3251 const InputInfo &II = *it; 3252 3253 // Don't try to pass LLVM inputs to a generic gcc. 3254 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || 3255 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) 3256 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 3257 << getToolChain().getTripleString(); 3258 3259 if (II.isPipe()) 3260 CmdArgs.push_back("-"); 3261 else if (II.isFilename()) 3262 CmdArgs.push_back(II.getFilename()); 3263 else 3264 II.getInputArg().renderAsInput(Args, CmdArgs); 3265 } 3266 3267 if (!Args.hasArg(options::OPT_nostdlib) && 3268 !Args.hasArg(options::OPT_nodefaultlibs)) { 3269 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of 3270 // rpaths 3271 CmdArgs.push_back("-L/usr/lib/gcc41"); 3272 3273 if (!Args.hasArg(options::OPT_static)) { 3274 CmdArgs.push_back("-rpath"); 3275 CmdArgs.push_back("/usr/lib/gcc41"); 3276 3277 CmdArgs.push_back("-rpath-link"); 3278 CmdArgs.push_back("/usr/lib/gcc41"); 3279 3280 CmdArgs.push_back("-rpath"); 3281 CmdArgs.push_back("/usr/lib"); 3282 3283 CmdArgs.push_back("-rpath-link"); 3284 CmdArgs.push_back("/usr/lib"); 3285 } 3286 3287 if (Args.hasArg(options::OPT_shared)) { 3288 CmdArgs.push_back("-lgcc_pic"); 3289 } else { 3290 CmdArgs.push_back("-lgcc"); 3291 } 3292 3293 3294 if (Args.hasArg(options::OPT_pthread)) 3295 CmdArgs.push_back("-lpthread"); 3296 3297 if (!Args.hasArg(options::OPT_nolibc)) { 3298 CmdArgs.push_back("-lc"); 3299 } 3300 3301 if (Args.hasArg(options::OPT_shared)) { 3302 CmdArgs.push_back("-lgcc_pic"); 3303 } else { 3304 CmdArgs.push_back("-lgcc"); 3305 } 3306 } 3307 3308 if (!Args.hasArg(options::OPT_nostdlib) && 3309 !Args.hasArg(options::OPT_nostartfiles)) { 3310 if (!Args.hasArg(options::OPT_shared)) 3311 CmdArgs.push_back(Args.MakeArgString( 3312 getToolChain().GetFilePath(C, "crtend.o"))); 3313 else 3314 CmdArgs.push_back(Args.MakeArgString( 3315 getToolChain().GetFilePath(C, "crtendS.o"))); 3316 CmdArgs.push_back(Args.MakeArgString( 3317 getToolChain().GetFilePath(C, "crtn.o"))); 3318 } 3319 3320 const char *Exec = 3321 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 3322 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3323} 3324