Tools.cpp revision 03d87ee556f9e11ab83f6d2f80c9ee92e3667301
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 59void Clang::AddPreprocessingOptions(const Driver &D, 60 const ArgList &Args, 61 ArgStringList &CmdArgs, 62 const InputInfo &Output, 63 const InputInfoList &Inputs) const { 64 Arg *A; 65 66 CheckPreprocessingOptions(D, Args); 67 68 Args.AddLastArg(CmdArgs, options::OPT_C); 69 Args.AddLastArg(CmdArgs, options::OPT_CC); 70 71 // Handle dependency file generation. 72 if ((A = Args.getLastArg(options::OPT_M)) || 73 (A = Args.getLastArg(options::OPT_MM)) || 74 (A = Args.getLastArg(options::OPT_MD)) || 75 (A = Args.getLastArg(options::OPT_MMD))) { 76 // Determine the output location. 77 const char *DepFile; 78 if (Output.getType() == types::TY_Dependencies) { 79 if (Output.isPipe()) 80 DepFile = "-"; 81 else 82 DepFile = Output.getFilename(); 83 } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) { 84 DepFile = MF->getValue(Args); 85 } else if (A->getOption().matches(options::OPT_M) || 86 A->getOption().matches(options::OPT_MM)) { 87 DepFile = "-"; 88 } else { 89 DepFile = darwin::CC1::getDependencyFileName(Args, Inputs); 90 } 91 CmdArgs.push_back("-dependency-file"); 92 CmdArgs.push_back(DepFile); 93 94 // Add an -MT option if the user didn't specify their own. 95 // 96 // FIXME: This should use -MQ, when we support it. 97 if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) { 98 const char *DepTarget; 99 100 // If user provided -o, that is the dependency target, except 101 // when we are only generating a dependency file. 102 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 103 if (OutputOpt && Output.getType() != types::TY_Dependencies) { 104 DepTarget = OutputOpt->getValue(Args); 105 } else { 106 // Otherwise derive from the base input. 107 // 108 // FIXME: This should use the computed output file location. 109 llvm::sys::Path P(Inputs[0].getBaseInput()); 110 111 P.eraseSuffix(); 112 P.appendSuffix("o"); 113 DepTarget = Args.MakeArgString(P.getLast()); 114 } 115 116 CmdArgs.push_back("-MT"); 117 CmdArgs.push_back(DepTarget); 118 } 119 120 if (A->getOption().matches(options::OPT_M) || 121 A->getOption().matches(options::OPT_MD)) 122 CmdArgs.push_back("-sys-header-deps"); 123 } 124 125 Args.AddLastArg(CmdArgs, options::OPT_MP); 126 Args.AddAllArgs(CmdArgs, options::OPT_MT); 127 128 // Add -i* options, and automatically translate to 129 // -include-pch/-include-pth for transparent PCH support. It's 130 // wonky, but we include looking for .gch so we can support seamless 131 // replacement into a build system already set up to be generating 132 // .gch files. 133 for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group), 134 ie = Args.filtered_end(); it != ie; ++it) { 135 const Arg *A = it; 136 137 if (A->getOption().matches(options::OPT_include)) { 138 // Use PCH if the user requested it, except for C++ (for now). 139 bool UsePCH = D.CCCUsePCH; 140 if (types::isCXX(Inputs[0].getType())) 141 UsePCH = false; 142 143 bool FoundPTH = false; 144 bool FoundPCH = false; 145 llvm::sys::Path P(A->getValue(Args)); 146 if (UsePCH) { 147 P.appendSuffix("pch"); 148 if (P.exists()) 149 FoundPCH = true; 150 else 151 P.eraseSuffix(); 152 } 153 154 if (!FoundPCH) { 155 P.appendSuffix("pth"); 156 if (P.exists()) 157 FoundPTH = true; 158 else 159 P.eraseSuffix(); 160 } 161 162 if (!FoundPCH && !FoundPTH) { 163 P.appendSuffix("gch"); 164 if (P.exists()) { 165 FoundPCH = UsePCH; 166 FoundPTH = !UsePCH; 167 } 168 else 169 P.eraseSuffix(); 170 } 171 172 if (FoundPCH || FoundPTH) { 173 A->claim(); 174 if (UsePCH) 175 CmdArgs.push_back("-include-pch"); 176 else 177 CmdArgs.push_back("-include-pth"); 178 CmdArgs.push_back(Args.MakeArgString(P.str())); 179 continue; 180 } 181 } 182 183 // Not translated, render as usual. 184 A->claim(); 185 A->render(Args, CmdArgs); 186 } 187 188 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U); 189 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 190 191 // Add -Wp, and -Xassembler if using the preprocessor. 192 193 // FIXME: There is a very unfortunate problem here, some troubled 194 // souls abuse -Wp, to pass preprocessor options in gcc syntax. To 195 // really support that we would have to parse and then translate 196 // those options. :( 197 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 198 options::OPT_Xpreprocessor); 199 200 // -I- is a deprecated GCC feature, reject it. 201 if (Arg *A = Args.getLastArg(options::OPT_I_)) 202 D.Diag(clang::diag::err_drv_I_dash_not_supported) << A->getAsString(Args); 203} 204 205/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting. 206// 207// FIXME: tblgen this. 208static const char *getARMTargetCPU(const ArgList &Args) { 209 // FIXME: Warn on inconsistent use of -mcpu and -march. 210 211 // If we have -mcpu=, use that. 212 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) 213 return A->getValue(Args); 214 215 // Otherwise, if we have -march= choose the base CPU for that arch. 216 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 217 llvm::StringRef MArch = A->getValue(Args); 218 219 if (MArch == "armv2" || MArch == "armv2a") 220 return "arm2"; 221 if (MArch == "armv3") 222 return "arm6"; 223 if (MArch == "armv3m") 224 return "arm7m"; 225 if (MArch == "armv4" || MArch == "armv4t") 226 return "arm7tdmi"; 227 if (MArch == "armv5" || MArch == "armv5t") 228 return "arm10tdmi"; 229 if (MArch == "armv5e" || MArch == "armv5te") 230 return "arm1026ejs"; 231 if (MArch == "armv5tej") 232 return "arm926ej-s"; 233 if (MArch == "armv6" || MArch == "armv6k") 234 return "arm1136jf-s"; 235 if (MArch == "armv6j") 236 return "arm1136j-s"; 237 if (MArch == "armv6z" || MArch == "armv6zk") 238 return "arm1176jzf-s"; 239 if (MArch == "armv6t2") 240 return "arm1156t2-s"; 241 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") 242 return "cortex-a8"; 243 if (MArch == "armv7r" || MArch == "armv7-r") 244 return "cortex-r4"; 245 if (MArch == "armv7m" || MArch == "armv7-m") 246 return "cortex-m3"; 247 if (MArch == "ep9312") 248 return "ep9312"; 249 if (MArch == "iwmmxt") 250 return "iwmmxt"; 251 if (MArch == "xscale") 252 return "xscale"; 253 } 254 255 // Otherwise return the most base CPU LLVM supports. 256 return "arm7tdmi"; 257} 258 259/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular 260/// CPU. 261// 262// FIXME: This is redundant with -mcpu, why does LLVM use this. 263// FIXME: tblgen this, or kill it! 264static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) { 265 if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || 266 CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || 267 CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || 268 CPU == "arm940t" || CPU == "ep9312") 269 return "v4t"; 270 271 if (CPU == "arm10tdmi" || CPU == "arm1020t") 272 return "v5"; 273 274 if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || 275 CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || 276 CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || 277 CPU == "iwmmxt") 278 return "v5e"; 279 280 if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || 281 CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") 282 return "v6"; 283 284 if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") 285 return "v6t2"; 286 287 if (CPU == "cortex-a8" || CPU == "cortex-a9") 288 return "v7"; 289 290 return ""; 291} 292 293/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which 294/// may depend on command line arguments. 295static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) { 296 switch (TC.getTriple().getArch()) { 297 default: 298 return TC.getTripleString(); 299 300 case llvm::Triple::arm: 301 case llvm::Triple::thumb: { 302 // FIXME: Factor into subclasses. 303 llvm::Triple Triple = TC.getTriple(); 304 305 // Thumb2 is the default for V7 on Darwin. 306 // 307 // FIXME: Thumb should just be another -target-feaure, not in the triple. 308 llvm::StringRef Suffix = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 309 bool ThumbDefault = 310 (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin); 311 std::string ArchName = "arm"; 312 if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) 313 ArchName = "thumb"; 314 Triple.setArchName(ArchName + Suffix.str()); 315 316 return Triple.getTriple(); 317 } 318 } 319} 320 321// FIXME: Move to target hook. 322static bool isSignedCharDefault(const llvm::Triple &Triple) { 323 switch (Triple.getArch()) { 324 default: 325 return true; 326 327 case llvm::Triple::ppc: 328 case llvm::Triple::ppc64: 329 if (Triple.getOS() == llvm::Triple::Darwin) 330 return true; 331 return false; 332 333 case llvm::Triple::systemz: 334 return false; 335 } 336} 337 338void Clang::AddARMTargetArgs(const ArgList &Args, 339 ArgStringList &CmdArgs) const { 340 const Driver &D = getToolChain().getDriver(); 341 342 // Select the ABI to use. 343 // 344 // FIXME: Support -meabi. 345 const char *ABIName = 0; 346 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 347 ABIName = A->getValue(Args); 348 } else { 349 // Select the default based on the platform. 350 switch (getToolChain().getTriple().getOS()) { 351 // FIXME: Is this right for non-Darwin and non-Linux? 352 default: 353 ABIName = "aapcs"; 354 break; 355 356 case llvm::Triple::Darwin: 357 ABIName = "apcs-gnu"; 358 break; 359 360 case llvm::Triple::Linux: 361 ABIName = "aapcs-linux"; 362 break; 363 } 364 } 365 CmdArgs.push_back("-target-abi"); 366 CmdArgs.push_back(ABIName); 367 368 // Set the CPU based on -march= and -mcpu=. 369 CmdArgs.push_back("-target-cpu"); 370 CmdArgs.push_back(getARMTargetCPU(Args)); 371 372 // Select the float ABI as determined by -msoft-float, -mhard-float, and 373 // -mfloat-abi=. 374 llvm::StringRef FloatABI; 375 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 376 options::OPT_mhard_float, 377 options::OPT_mfloat_abi_EQ)) { 378 if (A->getOption().matches(options::OPT_msoft_float)) 379 FloatABI = "soft"; 380 else if (A->getOption().matches(options::OPT_mhard_float)) 381 FloatABI = "hard"; 382 else { 383 FloatABI = A->getValue(Args); 384 if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") { 385 D.Diag(clang::diag::err_drv_invalid_mfloat_abi) 386 << A->getAsString(Args); 387 FloatABI = "soft"; 388 } 389 } 390 } 391 392 // If unspecified, choose the default based on the platform. 393 if (FloatABI.empty()) { 394 // FIXME: This is wrong for non-Darwin, we don't have a mechanism yet for 395 // distinguishing things like linux-eabi vs linux-elf. 396 switch (getToolChain().getTriple().getOS()) { 397 case llvm::Triple::Darwin: { 398 // Darwin defaults to "softfp" for v6 and v7. 399 // 400 // FIXME: Factor out an ARM class so we can cache the arch somewhere. 401 llvm::StringRef ArchName = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 402 if (ArchName.startswith("v6") || ArchName.startswith("v7")) 403 FloatABI = "softfp"; 404 else 405 FloatABI = "soft"; 406 break; 407 } 408 409 default: 410 // Assume "soft", but warn the user we are guessing. 411 FloatABI = "soft"; 412 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 413 break; 414 } 415 } 416 417 if (FloatABI == "soft") { 418 // Floating point operations and argument passing are soft. 419 // 420 // FIXME: This changes CPP defines, we need -target-soft-float. 421 CmdArgs.push_back("-msoft-float"); 422 CmdArgs.push_back("-mfloat-abi"); 423 CmdArgs.push_back("soft"); 424 } else if (FloatABI == "softfp") { 425 // Floating point operations are hard, but argument passing is soft. 426 CmdArgs.push_back("-mfloat-abi"); 427 CmdArgs.push_back("soft"); 428 } else { 429 // Floating point operations and argument passing are hard. 430 assert(FloatABI == "hard" && "Invalid float abi!"); 431 CmdArgs.push_back("-mfloat-abi"); 432 CmdArgs.push_back("hard"); 433 } 434 435 // Set appropriate target features for floating point mode. 436 // 437 // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these 438 // yet (it uses the -mfloat-abi and -msoft-float options above), and it is 439 // stripped out by the ARM target. 440 441 // Use software floating point operations? 442 if (FloatABI == "soft") { 443 CmdArgs.push_back("-target-feature"); 444 CmdArgs.push_back("+soft-float"); 445 } 446 447 // Use software floating point argument passing? 448 if (FloatABI != "hard") { 449 CmdArgs.push_back("-target-feature"); 450 CmdArgs.push_back("+soft-float-abi"); 451 } 452 453 // Honor -mfpu=. 454 // 455 // FIXME: Centralize feature selection, defaulting shouldn't be also in the 456 // frontend target. 457 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) { 458 llvm::StringRef FPU = A->getValue(Args); 459 460 // Set the target features based on the FPU. 461 if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") { 462 // Disable any default FPU support. 463 CmdArgs.push_back("-target-feature"); 464 CmdArgs.push_back("-vfp2"); 465 CmdArgs.push_back("-target-feature"); 466 CmdArgs.push_back("-vfp3"); 467 CmdArgs.push_back("-target-feature"); 468 CmdArgs.push_back("-neon"); 469 } else if (FPU == "vfp") { 470 CmdArgs.push_back("-target-feature"); 471 CmdArgs.push_back("+vfp2"); 472 } else if (FPU == "vfp3") { 473 CmdArgs.push_back("-target-feature"); 474 CmdArgs.push_back("+vfp3"); 475 } else if (FPU == "neon") { 476 CmdArgs.push_back("-target-feature"); 477 CmdArgs.push_back("+neon"); 478 } else 479 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 480 } 481} 482 483void Clang::AddMIPSTargetArgs(const ArgList &Args, 484 ArgStringList &CmdArgs) const { 485 const Driver &D = getToolChain().getDriver(); 486 487 // Select the ABI to use. 488 const char *ABIName = 0; 489 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 490 ABIName = A->getValue(Args); 491 } else { 492 ABIName = "o32"; 493 } 494 495 CmdArgs.push_back("-target-abi"); 496 CmdArgs.push_back(ABIName); 497 498 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 499 llvm::StringRef MArch = A->getValue(Args); 500 CmdArgs.push_back("-target-cpu"); 501 502 if ((MArch == "r2000") || (MArch == "r3000")) 503 CmdArgs.push_back("mips1"); 504 else if (MArch == "r6000") 505 CmdArgs.push_back("mips2"); 506 else 507 CmdArgs.push_back(MArch.str().c_str()); 508 } 509 510 // Select the float ABI as determined by -msoft-float, -mhard-float, and 511 llvm::StringRef FloatABI; 512 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 513 options::OPT_mhard_float)) { 514 if (A->getOption().matches(options::OPT_msoft_float)) 515 FloatABI = "soft"; 516 else if (A->getOption().matches(options::OPT_mhard_float)) 517 FloatABI = "hard"; 518 } 519 520 // If unspecified, choose the default based on the platform. 521 if (FloatABI.empty()) { 522 switch (getToolChain().getTriple().getOS()) { 523 default: 524 // Assume "soft", but warn the user we are guessing. 525 FloatABI = "soft"; 526 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 527 break; 528 } 529 } 530 531 if (FloatABI == "soft") { 532 // Floating point operations and argument passing are soft. 533 // 534 // FIXME: This changes CPP defines, we need -target-soft-float. 535 CmdArgs.push_back("-msoft-float"); 536 } else { 537 assert(FloatABI == "hard" && "Invalid float abi!"); 538 CmdArgs.push_back("-mhard-float"); 539 } 540} 541 542void Clang::AddX86TargetArgs(const ArgList &Args, 543 ArgStringList &CmdArgs) const { 544 if (!Args.hasFlag(options::OPT_mred_zone, 545 options::OPT_mno_red_zone, 546 true) || 547 Args.hasArg(options::OPT_mkernel) || 548 Args.hasArg(options::OPT_fapple_kext)) 549 CmdArgs.push_back("-disable-red-zone"); 550 551 if (Args.hasFlag(options::OPT_msoft_float, 552 options::OPT_mno_soft_float, 553 false)) 554 CmdArgs.push_back("-no-implicit-float"); 555 556 const char *CPUName = 0; 557 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 558 if (llvm::StringRef(A->getValue(Args)) == "native") { 559 // FIXME: Reject attempts to use -march=native unless the target matches 560 // the host. 561 // 562 // FIXME: We should also incorporate the detected target features for use 563 // with -native. 564 std::string CPU = llvm::sys::getHostCPUName(); 565 if (!CPU.empty()) 566 CPUName = Args.MakeArgString(CPU); 567 } else 568 CPUName = A->getValue(Args); 569 } 570 571 // Select the default CPU if none was given (or detection failed). 572 if (!CPUName) { 573 // FIXME: Need target hooks. 574 if (getToolChain().getOS().startswith("darwin")) { 575 if (getToolChain().getArchName() == "x86_64") 576 CPUName = "core2"; 577 else if (getToolChain().getArchName() == "i386") 578 CPUName = "yonah"; 579 } else { 580 if (getToolChain().getArchName() == "x86_64") 581 CPUName = "x86-64"; 582 else if (getToolChain().getArchName() == "i386") 583 CPUName = "pentium4"; 584 } 585 } 586 587 if (CPUName) { 588 CmdArgs.push_back("-target-cpu"); 589 CmdArgs.push_back(CPUName); 590 } 591 592 for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group), 593 ie = Args.filtered_end(); it != ie; ++it) { 594 llvm::StringRef Name = it->getOption().getName(); 595 it->claim(); 596 597 // Skip over "-m". 598 assert(Name.startswith("-m") && "Invalid feature name."); 599 Name = Name.substr(2); 600 601 bool IsNegative = Name.startswith("no-"); 602 if (IsNegative) 603 Name = Name.substr(3); 604 605 CmdArgs.push_back("-target-feature"); 606 CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); 607 } 608} 609 610static bool needsExceptions(const ArgList &Args, types::ID InputType, 611 const llvm::Triple &Triple) { 612 if (Arg *A = Args.getLastArg(options::OPT_fexceptions, 613 options::OPT_fno_exceptions)) { 614 if (A->getOption().matches(options::OPT_fexceptions)) 615 return true; 616 else 617 return false; 618 } 619 switch (InputType) { 620 case types::TY_CXX: case types::TY_CXXHeader: 621 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 622 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 623 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 624 return true; 625 626 case types::TY_ObjC: case types::TY_ObjCHeader: 627 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 628 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi)) 629 return true; 630 if (Triple.getOS() != llvm::Triple::Darwin) 631 return false; 632 return (Triple.getDarwinMajorNumber() >= 9 && 633 Triple.getArch() == llvm::Triple::x86_64); 634 635 default: 636 return false; 637 } 638} 639 640/// getEffectiveClangTriple - Get the "effective" target triple, which is the 641/// triple for the target but with the OS version potentially modified for 642/// Darwin's -mmacosx-version-min. 643static std::string getEffectiveClangTriple(const Driver &D, 644 const ToolChain &TC, 645 const ArgList &Args) { 646 llvm::Triple Triple(getLLVMTriple(TC, Args)); 647 648 // Handle -mmacosx-version-min and -miphoneos-version-min. 649 if (Triple.getOS() != llvm::Triple::Darwin) { 650 // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on 651 // non-Darwin. 652 if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, 653 options::OPT_miphoneos_version_min_EQ)) 654 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 655 } else { 656 const toolchains::Darwin &DarwinTC( 657 reinterpret_cast<const toolchains::Darwin&>(TC)); 658 659 // If the target isn't initialized (e.g., an unknown Darwin platform, return 660 // the default triple). 661 if (!DarwinTC.isTargetInitialized()) 662 return Triple.getTriple(); 663 664 unsigned Version[3]; 665 DarwinTC.getTargetVersion(Version); 666 667 // Mangle the target version into the OS triple component. For historical 668 // reasons that make little sense, the version passed here is the "darwin" 669 // version, which drops the 10 and offsets by 4. See inverse code when 670 // setting the OS version preprocessor define. 671 if (!DarwinTC.isTargetIPhoneOS()) { 672 Version[0] = Version[1] + 4; 673 Version[1] = Version[2]; 674 Version[2] = 0; 675 } else { 676 // Use the environment to communicate that we are targetting iPhoneOS. 677 Triple.setEnvironmentName("iphoneos"); 678 } 679 680 llvm::SmallString<16> Str; 681 llvm::raw_svector_ostream(Str) << "darwin" << Version[0] 682 << "." << Version[1] << "." << Version[2]; 683 Triple.setOSName(Str.str()); 684 } 685 686 return Triple.getTriple(); 687} 688 689void Clang::ConstructJob(Compilation &C, const JobAction &JA, 690 Job &Dest, 691 const InputInfo &Output, 692 const InputInfoList &Inputs, 693 const ArgList &Args, 694 const char *LinkingOutput) const { 695 const Driver &D = getToolChain().getDriver(); 696 ArgStringList CmdArgs; 697 698 assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); 699 700 // Invoke ourselves in -cc1 mode. 701 // 702 // FIXME: Implement custom jobs for internal actions. 703 CmdArgs.push_back("-cc1"); 704 705 // Add the "effective" target triple. 706 CmdArgs.push_back("-triple"); 707 std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args); 708 CmdArgs.push_back(Args.MakeArgString(TripleStr)); 709 710 // Select the appropriate action. 711 if (isa<AnalyzeJobAction>(JA)) { 712 assert(JA.getType() == types::TY_Plist && "Invalid output type."); 713 CmdArgs.push_back("-analyze"); 714 } else if (isa<PreprocessJobAction>(JA)) { 715 if (Output.getType() == types::TY_Dependencies) 716 CmdArgs.push_back("-Eonly"); 717 else 718 CmdArgs.push_back("-E"); 719 } else if (isa<AssembleJobAction>(JA)) { 720 CmdArgs.push_back("-emit-obj"); 721 } else if (isa<PrecompileJobAction>(JA)) { 722 // Use PCH if the user requested it, except for C++ (for now). 723 bool UsePCH = D.CCCUsePCH; 724 if (types::isCXX(Inputs[0].getType())) 725 UsePCH = false; 726 727 if (UsePCH) 728 CmdArgs.push_back("-emit-pch"); 729 else 730 CmdArgs.push_back("-emit-pth"); 731 } else { 732 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool."); 733 734 if (JA.getType() == types::TY_Nothing) { 735 CmdArgs.push_back("-fsyntax-only"); 736 } else if (JA.getType() == types::TY_LLVMAsm) { 737 CmdArgs.push_back("-emit-llvm"); 738 } else if (JA.getType() == types::TY_LLVMBC) { 739 CmdArgs.push_back("-emit-llvm-bc"); 740 } else if (JA.getType() == types::TY_PP_Asm) { 741 CmdArgs.push_back("-S"); 742 } else if (JA.getType() == types::TY_AST) { 743 CmdArgs.push_back("-emit-pch"); 744 } else if (JA.getType() == types::TY_RewrittenObjC) { 745 CmdArgs.push_back("-rewrite-objc"); 746 } else { 747 assert(JA.getType() == types::TY_PP_Asm && 748 "Unexpected output type!"); 749 } 750 } 751 752 // The make clang go fast button. 753 CmdArgs.push_back("-disable-free"); 754 755 // Disable the verification pass in -asserts builds. 756#ifdef NDEBUG 757 CmdArgs.push_back("-disable-llvm-verifier"); 758#endif 759 760 // Set the main file name, so that debug info works even with 761 // -save-temps. 762 CmdArgs.push_back("-main-file-name"); 763 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 764 765 // Some flags which affect the language (via preprocessor 766 // defines). See darwin::CC1::AddCPPArgs. 767 if (Args.hasArg(options::OPT_static)) 768 CmdArgs.push_back("-static-define"); 769 770 if (isa<AnalyzeJobAction>(JA)) { 771 // Enable region store model by default. 772 CmdArgs.push_back("-analyzer-store=region"); 773 774 // Treat blocks as analysis entry points. 775 CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks"); 776 777 // Add default argument set. 778 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { 779 CmdArgs.push_back("-analyzer-check-dead-stores"); 780 CmdArgs.push_back("-analyzer-check-security-syntactic"); 781 CmdArgs.push_back("-analyzer-check-objc-mem"); 782 CmdArgs.push_back("-analyzer-eagerly-assume"); 783 CmdArgs.push_back("-analyzer-check-objc-methodsigs"); 784 // Do not enable the missing -dealloc check. 785 // '-analyzer-check-objc-missing-dealloc', 786 CmdArgs.push_back("-analyzer-check-objc-unused-ivars"); 787 } 788 789 // Set the output format. The default is plist, for (lame) historical 790 // reasons. 791 CmdArgs.push_back("-analyzer-output"); 792 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 793 CmdArgs.push_back(A->getValue(Args)); 794 else 795 CmdArgs.push_back("plist"); 796 797 // Add -Xanalyzer arguments when running as analyzer. 798 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 799 } 800 801 CheckCodeGenerationOptions(D, Args); 802 803 // Perform argument translation for LLVM backend. This 804 // takes some care in reconciling with llvm-gcc. The 805 // issue is that llvm-gcc translates these options based on 806 // the values in cc1, whereas we are processing based on 807 // the driver arguments. 808 809 // This comes from the default translation the driver + cc1 810 // would do to enable flag_pic. 811 // 812 // FIXME: Centralize this code. 813 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || 814 Args.hasArg(options::OPT_fpic) || 815 Args.hasArg(options::OPT_fPIE) || 816 Args.hasArg(options::OPT_fpie)); 817 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || 818 Args.hasArg(options::OPT_static)); 819 const char *Model = getToolChain().GetForcedPicModel(); 820 if (!Model) { 821 if (Args.hasArg(options::OPT_mdynamic_no_pic)) 822 Model = "dynamic-no-pic"; 823 else if (PICDisabled) 824 Model = "static"; 825 else if (PICEnabled) 826 Model = "pic"; 827 else 828 Model = getToolChain().GetDefaultRelocationModel(); 829 } 830 if (llvm::StringRef(Model) != "pic") { 831 CmdArgs.push_back("-mrelocation-model"); 832 CmdArgs.push_back(Model); 833 } 834 835 // Infer the __PIC__ value. 836 // 837 // FIXME: This isn't quite right on Darwin, which always sets 838 // __PIC__=2. 839 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { 840 CmdArgs.push_back("-pic-level"); 841 CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1"); 842 } 843 if (!Args.hasFlag(options::OPT_fmerge_all_constants, 844 options::OPT_fno_merge_all_constants)) 845 CmdArgs.push_back("-no-merge-all-constants"); 846 847 // LLVM Code Generator Options. 848 849 // FIXME: Set --enable-unsafe-fp-math. 850 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, 851 options::OPT_fomit_frame_pointer)) 852 CmdArgs.push_back("-mdisable-fp-elim"); 853 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 854 options::OPT_fno_zero_initialized_in_bss)) 855 CmdArgs.push_back("-mno-zero-initialized-in-bss"); 856 if (Args.hasArg(options::OPT_dA) || Args.hasArg(options::OPT_fverbose_asm)) 857 CmdArgs.push_back("-masm-verbose"); 858 if (Args.hasArg(options::OPT_fdebug_pass_structure)) { 859 CmdArgs.push_back("-mdebug-pass"); 860 CmdArgs.push_back("Structure"); 861 } 862 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { 863 CmdArgs.push_back("-mdebug-pass"); 864 CmdArgs.push_back("Arguments"); 865 } 866 867 // Enable -mconstructor-aliases except on darwin, where we have to 868 // work around a linker bug; see <rdar://problem/7651567>. 869 if (getToolChain().getTriple().getOS() != llvm::Triple::Darwin) 870 CmdArgs.push_back("-mconstructor-aliases"); 871 872 // This is a coarse approximation of what llvm-gcc actually does, both 873 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 874 // complicated ways. 875 bool AsynchronousUnwindTables = 876 Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 877 options::OPT_fno_asynchronous_unwind_tables, 878 getToolChain().IsUnwindTablesDefault() && 879 !Args.hasArg(options::OPT_mkernel)); 880 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, 881 AsynchronousUnwindTables)) 882 CmdArgs.push_back("-munwind-tables"); 883 884 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 885 CmdArgs.push_back("-mlimit-float-precision"); 886 CmdArgs.push_back(A->getValue(Args)); 887 } 888 889 // FIXME: Handle -mtune=. 890 (void) Args.hasArg(options::OPT_mtune_EQ); 891 892 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 893 CmdArgs.push_back("-mcode-model"); 894 CmdArgs.push_back(A->getValue(Args)); 895 } 896 897 // Add target specific cpu and features flags. 898 switch(getToolChain().getTriple().getArch()) { 899 default: 900 break; 901 902 case llvm::Triple::arm: 903 case llvm::Triple::thumb: 904 AddARMTargetArgs(Args, CmdArgs); 905 break; 906 907 case llvm::Triple::mips: 908 case llvm::Triple::mipsel: 909 AddMIPSTargetArgs(Args, CmdArgs); 910 break; 911 912 case llvm::Triple::x86: 913 case llvm::Triple::x86_64: 914 AddX86TargetArgs(Args, CmdArgs); 915 break; 916 } 917 918 // -fno-math-errno is default. 919 if (Args.hasFlag(options::OPT_fmath_errno, 920 options::OPT_fno_math_errno, 921 false)) 922 CmdArgs.push_back("-fmath-errno"); 923 924 Arg *Unsupported; 925 if ((Unsupported = Args.getLastArg(options::OPT_MG)) || 926 (Unsupported = Args.getLastArg(options::OPT_MQ)) || 927 (Unsupported = Args.getLastArg(options::OPT_iframework)) || 928 (Unsupported = Args.getLastArg(options::OPT_fshort_enums))) 929 D.Diag(clang::diag::err_drv_clang_unsupported) 930 << Unsupported->getOption().getName(); 931 932 Args.AddAllArgs(CmdArgs, options::OPT_v); 933 Args.AddLastArg(CmdArgs, options::OPT_P); 934 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 935 936 // Special case debug options to only pass -g to clang. This is 937 // wrong. 938 Args.ClaimAllArgs(options::OPT_g_Group); 939 Arg *Garg = Args.getLastArg(options::OPT_g_Group); 940 if (Garg && Garg != Args.getLastArg(options::OPT_g0)) 941 CmdArgs.push_back("-g"); 942 943 Args.AddLastArg(CmdArgs, options::OPT_nostdinc); 944 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); 945 946 // Pass the path to compiler resource files. 947 CmdArgs.push_back("-resource-dir"); 948 CmdArgs.push_back(D.ResourceDir.c_str()); 949 950 // Add preprocessing options like -I, -D, etc. if we are using the 951 // preprocessor. 952 // 953 // FIXME: Support -fpreprocessed 954 types::ID InputType = Inputs[0].getType(); 955 if (types::getPreprocessedType(InputType) != types::TY_INVALID) 956 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); 957 958 // Manually translate -O to -O2 and -O4 to -O3; let clang reject 959 // others. 960 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 961 if (A->getOption().matches(options::OPT_O4)) 962 CmdArgs.push_back("-O3"); 963 else if (A->getValue(Args)[0] == '\0') 964 CmdArgs.push_back("-O2"); 965 else 966 A->render(Args, CmdArgs); 967 } 968 969 Args.AddAllArgs(CmdArgs, options::OPT_W_Group); 970 Args.AddLastArg(CmdArgs, options::OPT_pedantic); 971 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); 972 Args.AddLastArg(CmdArgs, options::OPT_w); 973 974 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 975 // (-ansi is equivalent to -std=c89). 976 // 977 // If a std is supplied, only add -trigraphs if it follows the 978 // option. 979 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 980 if (Std->getOption().matches(options::OPT_ansi)) 981 if (types::isCXX(InputType)) 982 CmdArgs.push_back("-std=c++98"); 983 else 984 CmdArgs.push_back("-std=c89"); 985 else 986 Std->render(Args, CmdArgs); 987 988 if (Arg *A = Args.getLastArg(options::OPT_trigraphs)) 989 if (A->getIndex() > Std->getIndex()) 990 A->render(Args, CmdArgs); 991 } else { 992 // Honor -std-default. 993 // 994 // FIXME: Clang doesn't correctly handle -std= when the input language 995 // doesn't match. For the time being just ignore this for C++ inputs; 996 // eventually we want to do all the standard defaulting here instead of 997 // splitting it between the driver and clang -cc1. 998 if (!types::isCXX(InputType)) 999 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1000 "-std=", /*Joined=*/true); 1001 Args.AddLastArg(CmdArgs, options::OPT_trigraphs); 1002 } 1003 1004 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { 1005 CmdArgs.push_back("-ftemplate-depth"); 1006 CmdArgs.push_back(A->getValue(Args)); 1007 } 1008 1009 if (Args.hasArg(options::OPT__relocatable_pch)) 1010 CmdArgs.push_back("-relocatable-pch"); 1011 1012 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 1013 CmdArgs.push_back("-fconstant-string-class"); 1014 CmdArgs.push_back(A->getValue(Args)); 1015 } 1016 1017 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { 1018 CmdArgs.push_back("-ftabstop"); 1019 CmdArgs.push_back(A->getValue(Args)); 1020 } 1021 1022 // Pass -fmessage-length=. 1023 CmdArgs.push_back("-fmessage-length"); 1024 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { 1025 CmdArgs.push_back(A->getValue(Args)); 1026 } else { 1027 // If -fmessage-length=N was not specified, determine whether this is a 1028 // terminal and, if so, implicitly define -fmessage-length appropriately. 1029 unsigned N = llvm::sys::Process::StandardErrColumns(); 1030 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(N))); 1031 } 1032 1033 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) { 1034 CmdArgs.push_back("-fvisibility"); 1035 CmdArgs.push_back(A->getValue(Args)); 1036 } 1037 1038 // Forward -f (flag) options which we can pass directly. 1039 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior); 1040 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 1041 Args.AddLastArg(CmdArgs, options::OPT_ffreestanding); 1042 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 1043 1044 // -flax-vector-conversions is default. 1045 if (!Args.hasFlag(options::OPT_flax_vector_conversions, 1046 options::OPT_fno_lax_vector_conversions)) 1047 CmdArgs.push_back("-fno-lax-vector-conversions"); 1048 1049 Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics); 1050 Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); 1051 Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc_only); 1052 Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc); 1053 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 1054 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 1055 Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 1056 Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 1057 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 1058 1059 Args.AddLastArg(CmdArgs, options::OPT_pthread); 1060 1061 // -stack-protector=0 is default. 1062 unsigned StackProtectorLevel = 0; 1063 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 1064 options::OPT_fstack_protector_all, 1065 options::OPT_fstack_protector)) { 1066 if (A->getOption().matches(options::OPT_fstack_protector)) 1067 StackProtectorLevel = 1; 1068 else if (A->getOption().matches(options::OPT_fstack_protector_all)) 1069 StackProtectorLevel = 2; 1070 } else 1071 StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel(); 1072 if (StackProtectorLevel) { 1073 CmdArgs.push_back("-stack-protector"); 1074 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); 1075 } 1076 1077 // Forward -f options with positive and negative forms; we translate 1078 // these by hand. 1079 1080 // -fbuiltin is default. 1081 if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) 1082 CmdArgs.push_back("-fno-builtin"); 1083 1084 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1085 options::OPT_fno_assume_sane_operator_new)) 1086 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1087 1088 // -fblocks=0 is default. 1089 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, 1090 getToolChain().IsBlocksDefault())) { 1091 CmdArgs.push_back("-fblocks"); 1092 } 1093 1094 // -fno-access-control is default (for now). 1095 if (Args.hasFlag(options::OPT_faccess_control, 1096 options::OPT_fno_access_control, 1097 false)) 1098 CmdArgs.push_back("-faccess-control"); 1099 1100 // -fexceptions=0 is default. 1101 if (needsExceptions(Args, InputType, getToolChain().getTriple())) 1102 CmdArgs.push_back("-fexceptions"); 1103 1104 if (getToolChain().UseSjLjExceptions()) 1105 CmdArgs.push_back("-fsjlj-exceptions"); 1106 1107 // -frtti is default. 1108 if (!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) 1109 CmdArgs.push_back("-fno-rtti"); 1110 1111 // -fsigned-char is default. 1112 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char, 1113 isSignedCharDefault(getToolChain().getTriple()))) 1114 CmdArgs.push_back("-fno-signed-char"); 1115 1116 // -fthreadsafe-static is default. 1117 if (!Args.hasFlag(options::OPT_fthreadsafe_statics, 1118 options::OPT_fno_threadsafe_statics)) 1119 CmdArgs.push_back("-fno-threadsafe-statics"); 1120 1121 // -fms-extensions=0 is default. 1122 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, 1123 getToolChain().getTriple().getOS() == llvm::Triple::Win32)) 1124 CmdArgs.push_back("-fms-extensions"); 1125 1126 // -fnext-runtime is default. 1127 if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, 1128 getToolChain().getTriple().getOS() == llvm::Triple::Darwin)) 1129 CmdArgs.push_back("-fgnu-runtime"); 1130 1131 // -fobjc-nonfragile-abi=0 is default. 1132 if (types::isObjC(InputType)) { 1133 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) || 1134 getToolChain().IsObjCNonFragileABIDefault()) { 1135 CmdArgs.push_back("-fobjc-nonfragile-abi"); 1136 1137 // -fobjc-legacy-dispatch is only relevant with the nonfragile-abi, and 1138 // defaults to off. 1139 if (Args.hasFlag(options::OPT_fobjc_legacy_dispatch, 1140 options::OPT_fno_objc_legacy_dispatch, 1141 getToolChain().IsObjCLegacyDispatchDefault())) 1142 CmdArgs.push_back("-fobjc-legacy-dispatch"); 1143 } 1144 } 1145 1146 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1147 options::OPT_fno_assume_sane_operator_new)) 1148 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1149 1150 // -fshort-wchar default varies depending on platform; only 1151 // pass if specified. 1152 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) { 1153 if (A->getOption().matches(options::OPT_fshort_wchar)) 1154 CmdArgs.push_back("-fshort-wchar"); 1155 } 1156 1157 // -fno-pascal-strings is default, only pass non-default. If the tool chain 1158 // happened to translate to -mpascal-strings, we want to back translate here. 1159 // 1160 // FIXME: This is gross; that translation should be pulled from the 1161 // tool chain. 1162 if (Args.hasFlag(options::OPT_fpascal_strings, 1163 options::OPT_fno_pascal_strings, 1164 false) || 1165 Args.hasFlag(options::OPT_mpascal_strings, 1166 options::OPT_mno_pascal_strings, 1167 false)) 1168 CmdArgs.push_back("-fpascal-strings"); 1169 1170 // -fcommon is default, only pass non-default. 1171 if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) 1172 CmdArgs.push_back("-fno-common"); 1173 1174 // -fsigned-bitfields is default, and clang doesn't yet support 1175 // --funsigned-bitfields. 1176 if (!Args.hasFlag(options::OPT_fsigned_bitfields, 1177 options::OPT_funsigned_bitfields)) 1178 D.Diag(clang::diag::warn_drv_clang_unsupported) 1179 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 1180 1181 // -fdiagnostics-fixit-info is default, only pass non-default. 1182 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 1183 options::OPT_fno_diagnostics_fixit_info)) 1184 CmdArgs.push_back("-fno-diagnostics-fixit-info"); 1185 1186 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary); 1187 1188 // Enable -fdiagnostics-show-option by default. 1189 if (Args.hasFlag(options::OPT_fdiagnostics_show_option, 1190 options::OPT_fno_diagnostics_show_option)) 1191 CmdArgs.push_back("-fdiagnostics-show-option"); 1192 1193 // Color diagnostics are the default, unless the terminal doesn't support 1194 // them. 1195 if (Args.hasFlag(options::OPT_fcolor_diagnostics, 1196 options::OPT_fno_color_diagnostics) && 1197 llvm::sys::Process::StandardErrHasColors()) 1198 CmdArgs.push_back("-fcolor-diagnostics"); 1199 1200 if (!Args.hasFlag(options::OPT_fshow_source_location, 1201 options::OPT_fno_show_source_location)) 1202 CmdArgs.push_back("-fno-show-source-location"); 1203 1204 // -fdollars-in-identifiers default varies depending on platform and 1205 // language; only pass if specified. 1206 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 1207 options::OPT_fno_dollars_in_identifiers)) { 1208 if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 1209 CmdArgs.push_back("-fdollars-in-identifiers"); 1210 else 1211 CmdArgs.push_back("-fno-dollars-in-identifiers"); 1212 } 1213 1214 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 1215 // practical purposes. 1216 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 1217 options::OPT_fno_unit_at_a_time)) { 1218 if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 1219 D.Diag(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args); 1220 } 1221 1222 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. 1223 // 1224 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941. 1225#if 0 1226 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1227 (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1228 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) { 1229 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1230 CmdArgs.push_back("-fno-builtin-strcat"); 1231 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1232 CmdArgs.push_back("-fno-builtin-strcpy"); 1233 } 1234#endif 1235 1236 if (Arg *A = Args.getLastArg(options::OPT_traditional, 1237 options::OPT_traditional_cpp)) 1238 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1239 1240 Args.AddLastArg(CmdArgs, options::OPT_dM); 1241 Args.AddLastArg(CmdArgs, options::OPT_dD); 1242 1243 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 1244 Args.AddAllArgValues(CmdArgs, options::OPT_mllvm); 1245 1246 if (Output.getType() == types::TY_Dependencies) { 1247 // Handled with other dependency code. 1248 } else if (Output.isPipe()) { 1249 CmdArgs.push_back("-o"); 1250 CmdArgs.push_back("-"); 1251 } else if (Output.isFilename()) { 1252 CmdArgs.push_back("-o"); 1253 CmdArgs.push_back(Output.getFilename()); 1254 } else { 1255 assert(Output.isNothing() && "Invalid output."); 1256 } 1257 1258 for (InputInfoList::const_iterator 1259 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1260 const InputInfo &II = *it; 1261 CmdArgs.push_back("-x"); 1262 CmdArgs.push_back(types::getTypeName(II.getType())); 1263 if (II.isPipe()) 1264 CmdArgs.push_back("-"); 1265 else if (II.isFilename()) 1266 CmdArgs.push_back(II.getFilename()); 1267 else 1268 II.getInputArg().renderAsInput(Args, CmdArgs); 1269 } 1270 1271 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1272 1273 const char *Exec = 1274 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1275 1276 // Optionally embed the -cc1 level arguments into the debug info, for build 1277 // analysis. 1278 if (getToolChain().UseDwarfDebugFlags()) { 1279 llvm::SmallString<256> Flags; 1280 Flags += Exec; 1281 for (unsigned i = 0, e = CmdArgs.size(); i != e; ++i) { 1282 Flags += " "; 1283 Flags += CmdArgs[i]; 1284 } 1285 CmdArgs.push_back("-dwarf-debug-flags"); 1286 CmdArgs.push_back(Args.MakeArgString(Flags.str())); 1287 } 1288 1289 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1290 1291 // Explicitly warn that these options are unsupported, even though 1292 // we are allowing compilation to continue. 1293 for (arg_iterator it = Args.filtered_begin(options::OPT_pg), 1294 ie = Args.filtered_end(); it != ie; ++it) { 1295 it->claim(); 1296 D.Diag(clang::diag::warn_drv_clang_unsupported) << it->getAsString(Args); 1297 } 1298 1299 // Claim some arguments which clang supports automatically. 1300 1301 // -fpch-preprocess is used with gcc to add a special marker in the 1302 // -output to include the PCH file. Clang's PTH solution is 1303 // -completely transparent, so we do not need to deal with it at 1304 // -all. 1305 Args.ClaimAllArgs(options::OPT_fpch_preprocess); 1306 1307 // Claim some arguments which clang doesn't support, but we don't 1308 // care to warn the user about. 1309 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); 1310 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); 1311} 1312 1313void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 1314 Job &Dest, 1315 const InputInfo &Output, 1316 const InputInfoList &Inputs, 1317 const ArgList &Args, 1318 const char *LinkingOutput) const { 1319 const Driver &D = getToolChain().getDriver(); 1320 ArgStringList CmdArgs; 1321 1322 for (ArgList::const_iterator 1323 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 1324 Arg *A = *it; 1325 if (A->getOption().hasForwardToGCC()) { 1326 // It is unfortunate that we have to claim here, as this means 1327 // we will basically never report anything interesting for 1328 // platforms using a generic gcc, even if we are just using gcc 1329 // to get to the assembler. 1330 A->claim(); 1331 A->render(Args, CmdArgs); 1332 } 1333 } 1334 1335 RenderExtraToolArgs(JA, CmdArgs); 1336 1337 // If using a driver driver, force the arch. 1338 const std::string &Arch = getToolChain().getArchName(); 1339 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) { 1340 CmdArgs.push_back("-arch"); 1341 1342 // FIXME: Remove these special cases. 1343 if (Arch == "powerpc") 1344 CmdArgs.push_back("ppc"); 1345 else if (Arch == "powerpc64") 1346 CmdArgs.push_back("ppc64"); 1347 else 1348 CmdArgs.push_back(Args.MakeArgString(Arch)); 1349 } 1350 1351 // Try to force gcc to match the tool chain we want, if we recognize 1352 // the arch. 1353 // 1354 // FIXME: The triple class should directly provide the information we want 1355 // here. 1356 if (Arch == "i386" || Arch == "powerpc") 1357 CmdArgs.push_back("-m32"); 1358 else if (Arch == "x86_64" || Arch == "powerpc64") 1359 CmdArgs.push_back("-m64"); 1360 1361 if (Output.isPipe()) { 1362 CmdArgs.push_back("-o"); 1363 CmdArgs.push_back("-"); 1364 } else if (Output.isFilename()) { 1365 CmdArgs.push_back("-o"); 1366 CmdArgs.push_back(Output.getFilename()); 1367 } else { 1368 assert(Output.isNothing() && "Unexpected output"); 1369 CmdArgs.push_back("-fsyntax-only"); 1370 } 1371 1372 1373 // Only pass -x if gcc will understand it; otherwise hope gcc 1374 // understands the suffix correctly. The main use case this would go 1375 // wrong in is for linker inputs if they happened to have an odd 1376 // suffix; really the only way to get this to happen is a command 1377 // like '-x foobar a.c' which will treat a.c like a linker input. 1378 // 1379 // FIXME: For the linker case specifically, can we safely convert 1380 // inputs into '-Wl,' options? 1381 for (InputInfoList::const_iterator 1382 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1383 const InputInfo &II = *it; 1384 1385 // Don't try to pass LLVM or AST inputs to a generic gcc. 1386 if (II.getType() == types::TY_LLVMBC) 1387 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 1388 << getToolChain().getTripleString(); 1389 else if (II.getType() == types::TY_AST) 1390 D.Diag(clang::diag::err_drv_no_ast_support) 1391 << getToolChain().getTripleString(); 1392 1393 if (types::canTypeBeUserSpecified(II.getType())) { 1394 CmdArgs.push_back("-x"); 1395 CmdArgs.push_back(types::getTypeName(II.getType())); 1396 } 1397 1398 if (II.isPipe()) 1399 CmdArgs.push_back("-"); 1400 else if (II.isFilename()) 1401 CmdArgs.push_back(II.getFilename()); 1402 else 1403 // Don't render as input, we need gcc to do the translations. 1404 II.getInputArg().render(Args, CmdArgs); 1405 } 1406 1407 const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str(); 1408 const char *Exec = 1409 Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); 1410 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1411} 1412 1413void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, 1414 ArgStringList &CmdArgs) const { 1415 CmdArgs.push_back("-E"); 1416} 1417 1418void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA, 1419 ArgStringList &CmdArgs) const { 1420 // The type is good enough. 1421} 1422 1423void gcc::Compile::RenderExtraToolArgs(const JobAction &JA, 1424 ArgStringList &CmdArgs) const { 1425 const Driver &D = getToolChain().getDriver(); 1426 1427 // If -flto, etc. are present then make sure not to force assembly output. 1428 if (JA.getType() == types::TY_LLVMBC) 1429 CmdArgs.push_back("-c"); 1430 else { 1431 if (JA.getType() != types::TY_PP_Asm) 1432 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1433 << getTypeName(JA.getType()); 1434 1435 CmdArgs.push_back("-S"); 1436 } 1437} 1438 1439void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA, 1440 ArgStringList &CmdArgs) const { 1441 CmdArgs.push_back("-c"); 1442} 1443 1444void gcc::Link::RenderExtraToolArgs(const JobAction &JA, 1445 ArgStringList &CmdArgs) const { 1446 // The types are (hopefully) good enough. 1447} 1448 1449const char *darwin::CC1::getCC1Name(types::ID Type) const { 1450 switch (Type) { 1451 default: 1452 assert(0 && "Unexpected type for Darwin CC1 tool."); 1453 case types::TY_Asm: 1454 case types::TY_C: case types::TY_CHeader: 1455 case types::TY_PP_C: case types::TY_PP_CHeader: 1456 return "cc1"; 1457 case types::TY_ObjC: case types::TY_ObjCHeader: 1458 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 1459 return "cc1obj"; 1460 case types::TY_CXX: case types::TY_CXXHeader: 1461 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 1462 return "cc1plus"; 1463 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 1464 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 1465 return "cc1objplus"; 1466 } 1467} 1468 1469const char *darwin::CC1::getBaseInputName(const ArgList &Args, 1470 const InputInfoList &Inputs) { 1471 llvm::sys::Path P(Inputs[0].getBaseInput()); 1472 return Args.MakeArgString(P.getLast()); 1473} 1474 1475const char *darwin::CC1::getBaseInputStem(const ArgList &Args, 1476 const InputInfoList &Inputs) { 1477 const char *Str = getBaseInputName(Args, Inputs); 1478 1479 if (const char *End = strchr(Str, '.')) 1480 return Args.MakeArgString(std::string(Str, End)); 1481 1482 return Str; 1483} 1484 1485const char * 1486darwin::CC1::getDependencyFileName(const ArgList &Args, 1487 const InputInfoList &Inputs) { 1488 // FIXME: Think about this more. 1489 std::string Res; 1490 1491 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1492 std::string Str(OutputOpt->getValue(Args)); 1493 1494 Res = Str.substr(0, Str.rfind('.')); 1495 } else 1496 Res = darwin::CC1::getBaseInputStem(Args, Inputs); 1497 1498 return Args.MakeArgString(Res + ".d"); 1499} 1500 1501void darwin::CC1::AddCC1Args(const ArgList &Args, 1502 ArgStringList &CmdArgs) const { 1503 const Driver &D = getToolChain().getDriver(); 1504 1505 CheckCodeGenerationOptions(D, Args); 1506 1507 // Derived from cc1 spec. 1508 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) && 1509 !Args.hasArg(options::OPT_mdynamic_no_pic)) 1510 CmdArgs.push_back("-fPIC"); 1511 1512 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1513 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1514 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1515 CmdArgs.push_back("-fno-builtin-strcat"); 1516 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1517 CmdArgs.push_back("-fno-builtin-strcpy"); 1518 } 1519 1520 // gcc has some code here to deal with when no -mmacosx-version-min 1521 // and no -miphoneos-version-min is present, but this never happens 1522 // due to tool chain specific argument translation. 1523 1524 if (Args.hasArg(options::OPT_g_Flag) && 1525 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols)) 1526 CmdArgs.push_back("-feliminate-unused-debug-symbols"); 1527} 1528 1529void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1530 const InputInfoList &Inputs, 1531 const ArgStringList &OutputArgs) const { 1532 const Driver &D = getToolChain().getDriver(); 1533 1534 // Derived from cc1_options spec. 1535 if (Args.hasArg(options::OPT_fast) || 1536 Args.hasArg(options::OPT_fastf) || 1537 Args.hasArg(options::OPT_fastcp)) 1538 CmdArgs.push_back("-O3"); 1539 1540 if (Arg *A = Args.getLastArg(options::OPT_pg)) 1541 if (Args.hasArg(options::OPT_fomit_frame_pointer)) 1542 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1543 << A->getAsString(Args) << "-fomit-frame-pointer"; 1544 1545 AddCC1Args(Args, CmdArgs); 1546 1547 if (!Args.hasArg(options::OPT_Q)) 1548 CmdArgs.push_back("-quiet"); 1549 1550 CmdArgs.push_back("-dumpbase"); 1551 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 1552 1553 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1554 1555 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1556 Args.AddAllArgs(CmdArgs, options::OPT_a_Group); 1557 1558 // FIXME: The goal is to use the user provided -o if that is our 1559 // final output, otherwise to drive from the original input 1560 // name. Find a clean way to go about this. 1561 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 1562 Args.hasArg(options::OPT_o)) { 1563 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 1564 CmdArgs.push_back("-auxbase-strip"); 1565 CmdArgs.push_back(OutputOpt->getValue(Args)); 1566 } else { 1567 CmdArgs.push_back("-auxbase"); 1568 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs)); 1569 } 1570 1571 Args.AddAllArgs(CmdArgs, options::OPT_g_Group); 1572 1573 Args.AddAllArgs(CmdArgs, options::OPT_O); 1574 // FIXME: -Wall is getting some special treatment. Investigate. 1575 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1576 Args.AddLastArg(CmdArgs, options::OPT_w); 1577 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1578 options::OPT_trigraphs); 1579 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1580 // Honor -std-default. 1581 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1582 "-std=", /*Joined=*/true); 1583 } 1584 1585 if (Args.hasArg(options::OPT_v)) 1586 CmdArgs.push_back("-version"); 1587 if (Args.hasArg(options::OPT_pg)) 1588 CmdArgs.push_back("-p"); 1589 Args.AddLastArg(CmdArgs, options::OPT_p); 1590 1591 // The driver treats -fsyntax-only specially. 1592 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1593 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1594 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are 1595 // used to inhibit the default -fno-builtin-str{cat,cpy}. 1596 // 1597 // FIXME: Should we grow a better way to deal with "removing" args? 1598 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group, 1599 options::OPT_fsyntax_only), 1600 ie = Args.filtered_end(); it != ie; ++it) { 1601 if (!it->getOption().matches(options::OPT_fbuiltin_strcat) && 1602 !it->getOption().matches(options::OPT_fbuiltin_strcpy)) { 1603 it->claim(); 1604 it->render(Args, CmdArgs); 1605 } 1606 } 1607 } else 1608 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1609 1610 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1611 if (Args.hasArg(options::OPT_Qn)) 1612 CmdArgs.push_back("-fno-ident"); 1613 1614 // FIXME: This isn't correct. 1615 //Args.AddLastArg(CmdArgs, options::OPT__help) 1616 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp) 1617 1618 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1619 1620 // FIXME: Still don't get what is happening here. Investigate. 1621 Args.AddAllArgs(CmdArgs, options::OPT__param); 1622 1623 if (Args.hasArg(options::OPT_fmudflap) || 1624 Args.hasArg(options::OPT_fmudflapth)) { 1625 CmdArgs.push_back("-fno-builtin"); 1626 CmdArgs.push_back("-fno-merge-constants"); 1627 } 1628 1629 if (Args.hasArg(options::OPT_coverage)) { 1630 CmdArgs.push_back("-fprofile-arcs"); 1631 CmdArgs.push_back("-ftest-coverage"); 1632 } 1633 1634 if (types::isCXX(Inputs[0].getType())) 1635 CmdArgs.push_back("-D__private_extern__=extern"); 1636} 1637 1638void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1639 const InputInfoList &Inputs, 1640 const ArgStringList &OutputArgs) const { 1641 // Derived from cpp_options 1642 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1643 1644 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1645 1646 AddCC1Args(Args, CmdArgs); 1647 1648 // NOTE: The code below has some commonality with cpp_options, but 1649 // in classic gcc style ends up sending things in different 1650 // orders. This may be a good merge candidate once we drop pedantic 1651 // compatibility. 1652 1653 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1654 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1655 options::OPT_trigraphs); 1656 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1657 // Honor -std-default. 1658 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1659 "-std=", /*Joined=*/true); 1660 } 1661 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1662 Args.AddLastArg(CmdArgs, options::OPT_w); 1663 1664 // The driver treats -fsyntax-only specially. 1665 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1666 1667 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) && 1668 !Args.hasArg(options::OPT_fno_working_directory)) 1669 CmdArgs.push_back("-fworking-directory"); 1670 1671 Args.AddAllArgs(CmdArgs, options::OPT_O); 1672 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1673 if (Args.hasArg(options::OPT_save_temps)) 1674 CmdArgs.push_back("-fpch-preprocess"); 1675} 1676 1677void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args, 1678 ArgStringList &CmdArgs, 1679 const InputInfoList &Inputs) const { 1680 const Driver &D = getToolChain().getDriver(); 1681 1682 CheckPreprocessingOptions(D, Args); 1683 1684 // Derived from cpp_unique_options. 1685 // -{C,CC} only with -E is checked in CheckPreprocessingOptions(). 1686 Args.AddLastArg(CmdArgs, options::OPT_C); 1687 Args.AddLastArg(CmdArgs, options::OPT_CC); 1688 if (!Args.hasArg(options::OPT_Q)) 1689 CmdArgs.push_back("-quiet"); 1690 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc); 1691 Args.AddLastArg(CmdArgs, options::OPT_v); 1692 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 1693 Args.AddLastArg(CmdArgs, options::OPT_P); 1694 1695 // FIXME: Handle %I properly. 1696 if (getToolChain().getArchName() == "x86_64") { 1697 CmdArgs.push_back("-imultilib"); 1698 CmdArgs.push_back("x86_64"); 1699 } 1700 1701 if (Args.hasArg(options::OPT_MD)) { 1702 CmdArgs.push_back("-MD"); 1703 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1704 } 1705 1706 if (Args.hasArg(options::OPT_MMD)) { 1707 CmdArgs.push_back("-MMD"); 1708 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1709 } 1710 1711 Args.AddLastArg(CmdArgs, options::OPT_M); 1712 Args.AddLastArg(CmdArgs, options::OPT_MM); 1713 Args.AddAllArgs(CmdArgs, options::OPT_MF); 1714 Args.AddLastArg(CmdArgs, options::OPT_MG); 1715 Args.AddLastArg(CmdArgs, options::OPT_MP); 1716 Args.AddAllArgs(CmdArgs, options::OPT_MQ); 1717 Args.AddAllArgs(CmdArgs, options::OPT_MT); 1718 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) && 1719 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) { 1720 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1721 CmdArgs.push_back("-MQ"); 1722 CmdArgs.push_back(OutputOpt->getValue(Args)); 1723 } 1724 } 1725 1726 Args.AddLastArg(CmdArgs, options::OPT_remap); 1727 if (Args.hasArg(options::OPT_g3)) 1728 CmdArgs.push_back("-dD"); 1729 Args.AddLastArg(CmdArgs, options::OPT_H); 1730 1731 AddCPPArgs(Args, CmdArgs); 1732 1733 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A); 1734 Args.AddAllArgs(CmdArgs, options::OPT_i_Group); 1735 1736 for (InputInfoList::const_iterator 1737 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1738 const InputInfo &II = *it; 1739 1740 if (II.isPipe()) 1741 CmdArgs.push_back("-"); 1742 else 1743 CmdArgs.push_back(II.getFilename()); 1744 } 1745 1746 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 1747 options::OPT_Xpreprocessor); 1748 1749 if (Args.hasArg(options::OPT_fmudflap)) { 1750 CmdArgs.push_back("-D_MUDFLAP"); 1751 CmdArgs.push_back("-include"); 1752 CmdArgs.push_back("mf-runtime.h"); 1753 } 1754 1755 if (Args.hasArg(options::OPT_fmudflapth)) { 1756 CmdArgs.push_back("-D_MUDFLAP"); 1757 CmdArgs.push_back("-D_MUDFLAPTH"); 1758 CmdArgs.push_back("-include"); 1759 CmdArgs.push_back("mf-runtime.h"); 1760 } 1761} 1762 1763void darwin::CC1::AddCPPArgs(const ArgList &Args, 1764 ArgStringList &CmdArgs) const { 1765 // Derived from cpp spec. 1766 1767 if (Args.hasArg(options::OPT_static)) { 1768 // The gcc spec is broken here, it refers to dynamic but 1769 // that has been translated. Start by being bug compatible. 1770 1771 // if (!Args.hasArg(arglist.parser.dynamicOption)) 1772 CmdArgs.push_back("-D__STATIC__"); 1773 } else 1774 CmdArgs.push_back("-D__DYNAMIC__"); 1775 1776 if (Args.hasArg(options::OPT_pthread)) 1777 CmdArgs.push_back("-D_REENTRANT"); 1778} 1779 1780void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA, 1781 Job &Dest, const InputInfo &Output, 1782 const InputInfoList &Inputs, 1783 const ArgList &Args, 1784 const char *LinkingOutput) const { 1785 ArgStringList CmdArgs; 1786 1787 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1788 1789 CmdArgs.push_back("-E"); 1790 1791 if (Args.hasArg(options::OPT_traditional) || 1792 Args.hasArg(options::OPT_traditional_cpp)) 1793 CmdArgs.push_back("-traditional-cpp"); 1794 1795 ArgStringList OutputArgs; 1796 if (Output.isFilename()) { 1797 OutputArgs.push_back("-o"); 1798 OutputArgs.push_back(Output.getFilename()); 1799 } else { 1800 assert(Output.isPipe() && "Unexpected CC1 output."); 1801 } 1802 1803 if (Args.hasArg(options::OPT_E)) { 1804 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1805 } else { 1806 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1807 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1808 } 1809 1810 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1811 1812 const char *CC1Name = getCC1Name(Inputs[0].getType()); 1813 const char *Exec = 1814 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 1815 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1816} 1817 1818void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, 1819 Job &Dest, const InputInfo &Output, 1820 const InputInfoList &Inputs, 1821 const ArgList &Args, 1822 const char *LinkingOutput) const { 1823 const Driver &D = getToolChain().getDriver(); 1824 ArgStringList CmdArgs; 1825 1826 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1827 1828 types::ID InputType = Inputs[0].getType(); 1829 const Arg *A; 1830 if ((A = Args.getLastArg(options::OPT_traditional))) 1831 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 1832 << A->getAsString(Args) << "-E"; 1833 1834 if (Output.getType() == types::TY_LLVMAsm) 1835 CmdArgs.push_back("-emit-llvm"); 1836 else if (Output.getType() == types::TY_LLVMBC) 1837 CmdArgs.push_back("-emit-llvm-bc"); 1838 else if (Output.getType() == types::TY_AST) 1839 D.Diag(clang::diag::err_drv_no_ast_support) 1840 << getToolChain().getTripleString(); 1841 else if (JA.getType() != types::TY_PP_Asm && 1842 JA.getType() != types::TY_PCH) 1843 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1844 << getTypeName(JA.getType()); 1845 1846 ArgStringList OutputArgs; 1847 if (Output.getType() != types::TY_PCH) { 1848 OutputArgs.push_back("-o"); 1849 if (Output.isPipe()) 1850 OutputArgs.push_back("-"); 1851 else if (Output.isNothing()) 1852 OutputArgs.push_back("/dev/null"); 1853 else 1854 OutputArgs.push_back(Output.getFilename()); 1855 } 1856 1857 // There is no need for this level of compatibility, but it makes 1858 // diffing easier. 1859 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) || 1860 Args.hasArg(options::OPT_S)); 1861 1862 if (types::getPreprocessedType(InputType) != types::TY_INVALID) { 1863 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1864 if (OutputArgsEarly) { 1865 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1866 } else { 1867 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1868 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1869 } 1870 } else { 1871 CmdArgs.push_back("-fpreprocessed"); 1872 1873 for (InputInfoList::const_iterator 1874 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1875 const InputInfo &II = *it; 1876 1877 // Reject AST inputs. 1878 if (II.getType() == types::TY_AST) { 1879 D.Diag(clang::diag::err_drv_no_ast_support) 1880 << getToolChain().getTripleString(); 1881 return; 1882 } 1883 1884 if (II.isPipe()) 1885 CmdArgs.push_back("-"); 1886 else 1887 CmdArgs.push_back(II.getFilename()); 1888 } 1889 1890 if (OutputArgsEarly) { 1891 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1892 } else { 1893 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1894 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1895 } 1896 } 1897 1898 if (Output.getType() == types::TY_PCH) { 1899 assert(Output.isFilename() && "Invalid PCH output."); 1900 1901 CmdArgs.push_back("-o"); 1902 // NOTE: gcc uses a temp .s file for this, but there doesn't seem 1903 // to be a good reason. 1904 CmdArgs.push_back("/dev/null"); 1905 1906 CmdArgs.push_back("--output-pch="); 1907 CmdArgs.push_back(Output.getFilename()); 1908 } 1909 1910 const char *CC1Name = getCC1Name(Inputs[0].getType()); 1911 const char *Exec = 1912 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 1913 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1914} 1915 1916void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 1917 Job &Dest, const InputInfo &Output, 1918 const InputInfoList &Inputs, 1919 const ArgList &Args, 1920 const char *LinkingOutput) const { 1921 ArgStringList CmdArgs; 1922 1923 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 1924 const InputInfo &Input = Inputs[0]; 1925 1926 // Bit of a hack, this is only used for original inputs. 1927 // 1928 // FIXME: This is broken for preprocessed .s inputs. 1929 if (Input.isFilename() && 1930 strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { 1931 if (Args.hasArg(options::OPT_gstabs)) 1932 CmdArgs.push_back("--gstabs"); 1933 else if (Args.hasArg(options::OPT_g_Group)) 1934 CmdArgs.push_back("--gdwarf2"); 1935 } 1936 1937 // Derived from asm spec. 1938 AddDarwinArch(Args, CmdArgs); 1939 1940 if (!getDarwinToolChain().isTargetIPhoneOS() || 1941 Args.hasArg(options::OPT_force__cpusubtype__ALL)) 1942 CmdArgs.push_back("-force_cpusubtype_ALL"); 1943 1944 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 && 1945 (Args.hasArg(options::OPT_mkernel) || 1946 Args.hasArg(options::OPT_static) || 1947 Args.hasArg(options::OPT_fapple_kext))) 1948 CmdArgs.push_back("-static"); 1949 1950 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 1951 options::OPT_Xassembler); 1952 1953 assert(Output.isFilename() && "Unexpected lipo output."); 1954 CmdArgs.push_back("-o"); 1955 CmdArgs.push_back(Output.getFilename()); 1956 1957 if (Input.isPipe()) { 1958 CmdArgs.push_back("-"); 1959 } else { 1960 assert(Input.isFilename() && "Invalid input."); 1961 CmdArgs.push_back(Input.getFilename()); 1962 } 1963 1964 // asm_final spec is empty. 1965 1966 const char *Exec = 1967 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 1968 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1969} 1970 1971/// Helper routine for seeing if we should use dsymutil; this is a 1972/// gcc compatible hack, we should remove it and use the input 1973/// type information. 1974static bool isSourceSuffix(const char *Str) { 1975 // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm', 1976 // 'mm'. 1977 return llvm::StringSwitch<bool>(Str) 1978 .Case("C", true) 1979 .Case("c", true) 1980 .Case("m", true) 1981 .Case("cc", true) 1982 .Case("cp", true) 1983 .Case("mm", true) 1984 .Case("CPP", true) 1985 .Case("c++", true) 1986 .Case("cpp", true) 1987 .Case("cxx", true) 1988 .Default(false); 1989} 1990 1991void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, 1992 ArgStringList &CmdArgs) const { 1993 llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args); 1994 1995 // Derived from darwin_arch spec. 1996 CmdArgs.push_back("-arch"); 1997 CmdArgs.push_back(Args.MakeArgString(ArchName)); 1998 1999 // FIXME: Is this needed anymore? 2000 if (ArchName == "arm") 2001 CmdArgs.push_back("-force_cpusubtype_ALL"); 2002} 2003 2004void darwin::Link::AddLinkArgs(const ArgList &Args, 2005 ArgStringList &CmdArgs) const { 2006 const Driver &D = getToolChain().getDriver(); 2007 2008 // Derived from the "link" spec. 2009 Args.AddAllArgs(CmdArgs, options::OPT_static); 2010 if (!Args.hasArg(options::OPT_static)) 2011 CmdArgs.push_back("-dynamic"); 2012 if (Args.hasArg(options::OPT_fgnu_runtime)) { 2013 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu 2014 // here. How do we wish to handle such things? 2015 } 2016 2017 if (!Args.hasArg(options::OPT_dynamiclib)) { 2018 AddDarwinArch(Args, CmdArgs); 2019 // FIXME: Why do this only on this path? 2020 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL); 2021 2022 Args.AddLastArg(CmdArgs, options::OPT_bundle); 2023 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); 2024 Args.AddAllArgs(CmdArgs, options::OPT_client__name); 2025 2026 Arg *A; 2027 if ((A = Args.getLastArg(options::OPT_compatibility__version)) || 2028 (A = Args.getLastArg(options::OPT_current__version)) || 2029 (A = Args.getLastArg(options::OPT_install__name))) 2030 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2031 << A->getAsString(Args) << "-dynamiclib"; 2032 2033 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); 2034 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); 2035 Args.AddLastArg(CmdArgs, options::OPT_private__bundle); 2036 } else { 2037 CmdArgs.push_back("-dylib"); 2038 2039 Arg *A; 2040 if ((A = Args.getLastArg(options::OPT_bundle)) || 2041 (A = Args.getLastArg(options::OPT_bundle__loader)) || 2042 (A = Args.getLastArg(options::OPT_client__name)) || 2043 (A = Args.getLastArg(options::OPT_force__flat__namespace)) || 2044 (A = Args.getLastArg(options::OPT_keep__private__externs)) || 2045 (A = Args.getLastArg(options::OPT_private__bundle))) 2046 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 2047 << A->getAsString(Args) << "-dynamiclib"; 2048 2049 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, 2050 "-dylib_compatibility_version"); 2051 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, 2052 "-dylib_current_version"); 2053 2054 AddDarwinArch(Args, CmdArgs); 2055 2056 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, 2057 "-dylib_install_name"); 2058 } 2059 2060 Args.AddLastArg(CmdArgs, options::OPT_all__load); 2061 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); 2062 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); 2063 if (getDarwinToolChain().isTargetIPhoneOS()) 2064 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); 2065 Args.AddLastArg(CmdArgs, options::OPT_dead__strip); 2066 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); 2067 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); 2068 Args.AddLastArg(CmdArgs, options::OPT_dynamic); 2069 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); 2070 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); 2071 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); 2072 Args.AddAllArgs(CmdArgs, options::OPT_image__base); 2073 Args.AddAllArgs(CmdArgs, options::OPT_init); 2074 2075 // Adding all arguments doesn't make sense here but this is what gcc does. One 2076 // of this should always be present thanks to argument translation. 2077 assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) || 2078 Args.hasArg(options::OPT_miphoneos_version_min_EQ)) && 2079 "Missing version argument (lost in translation)?"); 2080 Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, 2081 "-macosx_version_min"); 2082 Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, 2083 "-iphoneos_version_min"); 2084 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); 2085 Args.AddLastArg(CmdArgs, options::OPT_multi__module); 2086 Args.AddLastArg(CmdArgs, options::OPT_single__module); 2087 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); 2088 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); 2089 2090 if (Args.hasArg(options::OPT_fpie)) 2091 CmdArgs.push_back("-pie"); 2092 2093 Args.AddLastArg(CmdArgs, options::OPT_prebind); 2094 Args.AddLastArg(CmdArgs, options::OPT_noprebind); 2095 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); 2096 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); 2097 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); 2098 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); 2099 Args.AddAllArgs(CmdArgs, options::OPT_sectorder); 2100 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); 2101 Args.AddAllArgs(CmdArgs, options::OPT_segprot); 2102 Args.AddAllArgs(CmdArgs, options::OPT_segaddr); 2103 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); 2104 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); 2105 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); 2106 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); 2107 Args.AddAllArgs(CmdArgs, options::OPT_sub__library); 2108 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); 2109 2110 Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); 2111 if (getDarwinToolChain().isTargetIPhoneOS()) { 2112 if (!Args.hasArg(options::OPT_isysroot)) { 2113 CmdArgs.push_back("-syslibroot"); 2114 CmdArgs.push_back("/Developer/SDKs/Extra"); 2115 } 2116 } 2117 2118 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); 2119 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); 2120 Args.AddAllArgs(CmdArgs, options::OPT_umbrella); 2121 Args.AddAllArgs(CmdArgs, options::OPT_undefined); 2122 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); 2123 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); 2124 Args.AddLastArg(CmdArgs, options::OPT_X_Flag); 2125 Args.AddAllArgs(CmdArgs, options::OPT_y); 2126 Args.AddLastArg(CmdArgs, options::OPT_w); 2127 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); 2128 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); 2129 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); 2130 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); 2131 Args.AddAllArgs(CmdArgs, options::OPT_sectalign); 2132 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); 2133 Args.AddAllArgs(CmdArgs, options::OPT_segcreate); 2134 Args.AddLastArg(CmdArgs, options::OPT_whyload); 2135 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); 2136 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); 2137 Args.AddLastArg(CmdArgs, options::OPT_dylinker); 2138 Args.AddLastArg(CmdArgs, options::OPT_Mach); 2139} 2140 2141void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, 2142 Job &Dest, const InputInfo &Output, 2143 const InputInfoList &Inputs, 2144 const ArgList &Args, 2145 const char *LinkingOutput) const { 2146 assert(Output.getType() == types::TY_Image && "Invalid linker output type."); 2147 2148 // The logic here is derived from gcc's behavior; most of which 2149 // comes from specs (starting with link_command). Consult gcc for 2150 // more information. 2151 ArgStringList CmdArgs; 2152 2153 // I'm not sure why this particular decomposition exists in gcc, but 2154 // we follow suite for ease of comparison. 2155 AddLinkArgs(Args, CmdArgs); 2156 2157 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); 2158 Args.AddAllArgs(CmdArgs, options::OPT_s); 2159 Args.AddAllArgs(CmdArgs, options::OPT_t); 2160 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); 2161 Args.AddAllArgs(CmdArgs, options::OPT_u_Group); 2162 Args.AddAllArgs(CmdArgs, options::OPT_A); 2163 Args.AddLastArg(CmdArgs, options::OPT_e); 2164 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate); 2165 Args.AddAllArgs(CmdArgs, options::OPT_r); 2166 2167 CmdArgs.push_back("-o"); 2168 CmdArgs.push_back(Output.getFilename()); 2169 2170 if (!Args.hasArg(options::OPT_A) && 2171 !Args.hasArg(options::OPT_nostdlib) && 2172 !Args.hasArg(options::OPT_nostartfiles)) { 2173 // Derived from startfile spec. 2174 if (Args.hasArg(options::OPT_dynamiclib)) { 2175 // Derived from darwin_dylib1 spec. 2176 if (getDarwinToolChain().isTargetIPhoneOS()) { 2177 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2178 CmdArgs.push_back("-ldylib1.o"); 2179 } else { 2180 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2181 CmdArgs.push_back("-ldylib1.o"); 2182 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2183 CmdArgs.push_back("-ldylib1.10.5.o"); 2184 } 2185 } else { 2186 if (Args.hasArg(options::OPT_bundle)) { 2187 if (!Args.hasArg(options::OPT_static)) { 2188 // Derived from darwin_bundle1 spec. 2189 if (getDarwinToolChain().isTargetIPhoneOS()) { 2190 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2191 CmdArgs.push_back("-lbundle1.o"); 2192 } else { 2193 if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2194 CmdArgs.push_back("-lbundle1.o"); 2195 } 2196 } 2197 } else { 2198 if (Args.hasArg(options::OPT_pg)) { 2199 if (Args.hasArg(options::OPT_static) || 2200 Args.hasArg(options::OPT_object) || 2201 Args.hasArg(options::OPT_preload)) { 2202 CmdArgs.push_back("-lgcrt0.o"); 2203 } else { 2204 CmdArgs.push_back("-lgcrt1.o"); 2205 2206 // darwin_crt2 spec is empty. 2207 } 2208 } else { 2209 if (Args.hasArg(options::OPT_static) || 2210 Args.hasArg(options::OPT_object) || 2211 Args.hasArg(options::OPT_preload)) { 2212 CmdArgs.push_back("-lcrt0.o"); 2213 } else { 2214 // Derived from darwin_crt1 spec. 2215 if (getDarwinToolChain().isTargetIPhoneOS()) { 2216 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2217 CmdArgs.push_back("-lcrt1.o"); 2218 else 2219 CmdArgs.push_back("-lcrt1.3.1.o"); 2220 } else { 2221 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2222 CmdArgs.push_back("-lcrt1.o"); 2223 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2224 CmdArgs.push_back("-lcrt1.10.5.o"); 2225 else 2226 CmdArgs.push_back("-lcrt1.10.6.o"); 2227 2228 // darwin_crt2 spec is empty. 2229 } 2230 } 2231 } 2232 } 2233 } 2234 2235 if (!getDarwinToolChain().isTargetIPhoneOS() && 2236 Args.hasArg(options::OPT_shared_libgcc) && 2237 getDarwinToolChain().isMacosxVersionLT(10, 5)) { 2238 const char *Str = 2239 Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o")); 2240 CmdArgs.push_back(Str); 2241 } 2242 } 2243 2244 Args.AddAllArgs(CmdArgs, options::OPT_L); 2245 2246 if (Args.hasArg(options::OPT_fopenmp)) 2247 // This is more complicated in gcc... 2248 CmdArgs.push_back("-lgomp"); 2249 2250 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); 2251 2252 for (InputInfoList::const_iterator 2253 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2254 const InputInfo &II = *it; 2255 if (II.isFilename()) 2256 CmdArgs.push_back(II.getFilename()); 2257 else 2258 II.getInputArg().renderAsInput(Args, CmdArgs); 2259 } 2260 2261 if (LinkingOutput) { 2262 CmdArgs.push_back("-arch_multiple"); 2263 CmdArgs.push_back("-final_output"); 2264 CmdArgs.push_back(LinkingOutput); 2265 } 2266 2267 if (Args.hasArg(options::OPT_fprofile_arcs) || 2268 Args.hasArg(options::OPT_fprofile_generate) || 2269 Args.hasArg(options::OPT_fcreate_profile) || 2270 Args.hasArg(options::OPT_coverage)) 2271 CmdArgs.push_back("-lgcov"); 2272 2273 if (Args.hasArg(options::OPT_fnested_functions)) 2274 CmdArgs.push_back("-allow_stack_execute"); 2275 2276 if (!Args.hasArg(options::OPT_nostdlib) && 2277 !Args.hasArg(options::OPT_nodefaultlibs)) { 2278 // FIXME: g++ is more complicated here, it tries to put -lstdc++ 2279 // before -lm, for example. 2280 if (getToolChain().getDriver().CCCIsCXX) 2281 CmdArgs.push_back("-lstdc++"); 2282 2283 // link_ssp spec is empty. 2284 2285 // Let the tool chain choose which runtime library to link. 2286 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); 2287 } 2288 2289 if (!Args.hasArg(options::OPT_A) && 2290 !Args.hasArg(options::OPT_nostdlib) && 2291 !Args.hasArg(options::OPT_nostartfiles)) { 2292 // endfile_spec is empty. 2293 } 2294 2295 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2296 Args.AddAllArgs(CmdArgs, options::OPT_F); 2297 2298 const char *Exec = 2299 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2300 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2301 2302 // Find the first non-empty base input (we want to ignore linker 2303 // inputs). 2304 const char *BaseInput = ""; 2305 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 2306 if (Inputs[i].getBaseInput()[0] != '\0') { 2307 BaseInput = Inputs[i].getBaseInput(); 2308 break; 2309 } 2310 } 2311 2312 // Run dsymutil if we are making an executable in a single step. 2313 // 2314 // FIXME: Currently we don't want to do this when we are part of a 2315 // universal build step, as this would end up creating stray temp 2316 // files. 2317 if (!LinkingOutput && 2318 Args.getLastArg(options::OPT_g_Group) && 2319 !Args.getLastArg(options::OPT_gstabs) && 2320 !Args.getLastArg(options::OPT_g0)) { 2321 // FIXME: This is gross, but matches gcc. The test only considers 2322 // the suffix (not the -x type), and then only of the first 2323 // source input. Awesome. 2324 const char *Suffix = strrchr(BaseInput, '.'); 2325 if (Suffix && isSourceSuffix(Suffix + 1)) { 2326 const char *Exec = 2327 Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); 2328 ArgStringList CmdArgs; 2329 CmdArgs.push_back(Output.getFilename()); 2330 C.getJobs().addCommand(new Command(JA, *this, Exec, CmdArgs)); 2331 } 2332 } 2333} 2334 2335void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, 2336 Job &Dest, const InputInfo &Output, 2337 const InputInfoList &Inputs, 2338 const ArgList &Args, 2339 const char *LinkingOutput) const { 2340 ArgStringList CmdArgs; 2341 2342 CmdArgs.push_back("-create"); 2343 assert(Output.isFilename() && "Unexpected lipo output."); 2344 2345 CmdArgs.push_back("-output"); 2346 CmdArgs.push_back(Output.getFilename()); 2347 2348 for (InputInfoList::const_iterator 2349 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2350 const InputInfo &II = *it; 2351 assert(II.isFilename() && "Unexpected lipo input."); 2352 CmdArgs.push_back(II.getFilename()); 2353 } 2354 const char *Exec = 2355 Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo")); 2356 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2357} 2358 2359void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2360 Job &Dest, const InputInfo &Output, 2361 const InputInfoList &Inputs, 2362 const ArgList &Args, 2363 const char *LinkingOutput) const { 2364 ArgStringList CmdArgs; 2365 2366 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2367 options::OPT_Xassembler); 2368 2369 CmdArgs.push_back("-o"); 2370 if (Output.isPipe()) 2371 CmdArgs.push_back("-"); 2372 else 2373 CmdArgs.push_back(Output.getFilename()); 2374 2375 for (InputInfoList::const_iterator 2376 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2377 const InputInfo &II = *it; 2378 if (II.isPipe()) 2379 CmdArgs.push_back("-"); 2380 else 2381 CmdArgs.push_back(II.getFilename()); 2382 } 2383 2384 const char *Exec = 2385 Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); 2386 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2387} 2388 2389void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, 2390 Job &Dest, const InputInfo &Output, 2391 const InputInfoList &Inputs, 2392 const ArgList &Args, 2393 const char *LinkingOutput) const { 2394 const Driver &D = getToolChain().getDriver(); 2395 ArgStringList CmdArgs; 2396 2397 if ((!Args.hasArg(options::OPT_nostdlib)) && 2398 (!Args.hasArg(options::OPT_shared))) { 2399 CmdArgs.push_back("-e"); 2400 CmdArgs.push_back("_start"); 2401 } 2402 2403 if (Args.hasArg(options::OPT_static)) { 2404 CmdArgs.push_back("-Bstatic"); 2405 CmdArgs.push_back("-dn"); 2406 } else { 2407// CmdArgs.push_back("--eh-frame-hdr"); 2408 CmdArgs.push_back("-Bdynamic"); 2409 if (Args.hasArg(options::OPT_shared)) { 2410 CmdArgs.push_back("-shared"); 2411 } else { 2412 CmdArgs.push_back("--dynamic-linker"); 2413 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 2414 } 2415 } 2416 2417 if (Output.isPipe()) { 2418 CmdArgs.push_back("-o"); 2419 CmdArgs.push_back("-"); 2420 } else if (Output.isFilename()) { 2421 CmdArgs.push_back("-o"); 2422 CmdArgs.push_back(Output.getFilename()); 2423 } else { 2424 assert(Output.isNothing() && "Invalid output."); 2425 } 2426 2427 if (!Args.hasArg(options::OPT_nostdlib) && 2428 !Args.hasArg(options::OPT_nostartfiles)) { 2429 if (!Args.hasArg(options::OPT_shared)) { 2430 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2431 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2432 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2433 } else { 2434 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2435 } 2436 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2437 } 2438 2439 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/" 2440 + getToolChain().getTripleString() 2441 + "/4.2.4")); 2442 2443 Args.AddAllArgs(CmdArgs, options::OPT_L); 2444 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2445 Args.AddAllArgs(CmdArgs, options::OPT_e); 2446 2447 for (InputInfoList::const_iterator 2448 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2449 const InputInfo &II = *it; 2450 2451 // Don't try to pass LLVM inputs to a generic gcc. 2452 if (II.getType() == types::TY_LLVMBC) 2453 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2454 << getToolChain().getTripleString(); 2455 2456 if (II.isPipe()) 2457 CmdArgs.push_back("-"); 2458 else if (II.isFilename()) 2459 CmdArgs.push_back(II.getFilename()); 2460 else 2461 II.getInputArg().renderAsInput(Args, CmdArgs); 2462 } 2463 2464 if (!Args.hasArg(options::OPT_nostdlib) && 2465 !Args.hasArg(options::OPT_nodefaultlibs)) { 2466 // FIXME: For some reason GCC passes -lgcc before adding 2467 // the default system libraries. Just mimic this for now. 2468 CmdArgs.push_back("-lgcc"); 2469 2470 if (Args.hasArg(options::OPT_pthread)) 2471 CmdArgs.push_back("-pthread"); 2472 if (!Args.hasArg(options::OPT_shared)) 2473 CmdArgs.push_back("-lc"); 2474 CmdArgs.push_back("-lgcc"); 2475 } 2476 2477 if (!Args.hasArg(options::OPT_nostdlib) && 2478 !Args.hasArg(options::OPT_nostartfiles)) { 2479 if (!Args.hasArg(options::OPT_shared)) 2480 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2481// else 2482// CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2483 } 2484 2485 const char *Exec = 2486 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2487 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2488} 2489 2490void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2491 Job &Dest, const InputInfo &Output, 2492 const InputInfoList &Inputs, 2493 const ArgList &Args, 2494 const char *LinkingOutput) const { 2495 ArgStringList CmdArgs; 2496 2497 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2498 options::OPT_Xassembler); 2499 2500 CmdArgs.push_back("-o"); 2501 if (Output.isPipe()) 2502 CmdArgs.push_back("-"); 2503 else 2504 CmdArgs.push_back(Output.getFilename()); 2505 2506 for (InputInfoList::const_iterator 2507 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2508 const InputInfo &II = *it; 2509 if (II.isPipe()) 2510 CmdArgs.push_back("-"); 2511 else 2512 CmdArgs.push_back(II.getFilename()); 2513 } 2514 2515 const char *Exec = 2516 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2517 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2518} 2519 2520void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2521 Job &Dest, const InputInfo &Output, 2522 const InputInfoList &Inputs, 2523 const ArgList &Args, 2524 const char *LinkingOutput) const { 2525 const Driver &D = getToolChain().getDriver(); 2526 ArgStringList CmdArgs; 2527 2528 if ((!Args.hasArg(options::OPT_nostdlib)) && 2529 (!Args.hasArg(options::OPT_shared))) { 2530 CmdArgs.push_back("-e"); 2531 CmdArgs.push_back("__start"); 2532 } 2533 2534 if (Args.hasArg(options::OPT_static)) { 2535 CmdArgs.push_back("-Bstatic"); 2536 } else { 2537 CmdArgs.push_back("--eh-frame-hdr"); 2538 CmdArgs.push_back("-Bdynamic"); 2539 if (Args.hasArg(options::OPT_shared)) { 2540 CmdArgs.push_back("-shared"); 2541 } else { 2542 CmdArgs.push_back("-dynamic-linker"); 2543 CmdArgs.push_back("/usr/libexec/ld.so"); 2544 } 2545 } 2546 2547 if (Output.isPipe()) { 2548 CmdArgs.push_back("-o"); 2549 CmdArgs.push_back("-"); 2550 } else if (Output.isFilename()) { 2551 CmdArgs.push_back("-o"); 2552 CmdArgs.push_back(Output.getFilename()); 2553 } else { 2554 assert(Output.isNothing() && "Invalid output."); 2555 } 2556 2557 if (!Args.hasArg(options::OPT_nostdlib) && 2558 !Args.hasArg(options::OPT_nostartfiles)) { 2559 if (!Args.hasArg(options::OPT_shared)) { 2560 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o"))); 2561 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2562 } else { 2563 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2564 } 2565 } 2566 2567 std::string Triple = getToolChain().getTripleString(); 2568 if (Triple.substr(0, 6) == "x86_64") 2569 Triple.replace(0, 6, "amd64"); 2570 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + 2571 "/3.3.5")); 2572 2573 Args.AddAllArgs(CmdArgs, options::OPT_L); 2574 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2575 Args.AddAllArgs(CmdArgs, options::OPT_e); 2576 2577 for (InputInfoList::const_iterator 2578 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2579 const InputInfo &II = *it; 2580 2581 // Don't try to pass LLVM inputs to a generic gcc. 2582 if (II.getType() == types::TY_LLVMBC) 2583 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2584 << getToolChain().getTripleString(); 2585 2586 if (II.isPipe()) 2587 CmdArgs.push_back("-"); 2588 else if (II.isFilename()) 2589 CmdArgs.push_back(II.getFilename()); 2590 else 2591 II.getInputArg().renderAsInput(Args, CmdArgs); 2592 } 2593 2594 if (!Args.hasArg(options::OPT_nostdlib) && 2595 !Args.hasArg(options::OPT_nodefaultlibs)) { 2596 // FIXME: For some reason GCC passes -lgcc before adding 2597 // the default system libraries. Just mimic this for now. 2598 CmdArgs.push_back("-lgcc"); 2599 2600 if (Args.hasArg(options::OPT_pthread)) 2601 CmdArgs.push_back("-pthread"); 2602 if (!Args.hasArg(options::OPT_shared)) 2603 CmdArgs.push_back("-lc"); 2604 CmdArgs.push_back("-lgcc"); 2605 } 2606 2607 if (!Args.hasArg(options::OPT_nostdlib) && 2608 !Args.hasArg(options::OPT_nostartfiles)) { 2609 if (!Args.hasArg(options::OPT_shared)) 2610 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2611 else 2612 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2613 } 2614 2615 const char *Exec = 2616 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2617 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2618} 2619 2620void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2621 Job &Dest, const InputInfo &Output, 2622 const InputInfoList &Inputs, 2623 const ArgList &Args, 2624 const char *LinkingOutput) const { 2625 ArgStringList CmdArgs; 2626 2627 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2628 // instruct as in the base system to assemble 32-bit code. 2629 if (getToolChain().getArchName() == "i386") 2630 CmdArgs.push_back("--32"); 2631 2632 2633 // Set byte order explicitly 2634 if (getToolChain().getArchName() == "mips") 2635 CmdArgs.push_back("-EB"); 2636 else if (getToolChain().getArchName() == "mipsel") 2637 CmdArgs.push_back("-EL"); 2638 2639 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2640 options::OPT_Xassembler); 2641 2642 CmdArgs.push_back("-o"); 2643 if (Output.isPipe()) 2644 CmdArgs.push_back("-"); 2645 else 2646 CmdArgs.push_back(Output.getFilename()); 2647 2648 for (InputInfoList::const_iterator 2649 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2650 const InputInfo &II = *it; 2651 if (II.isPipe()) 2652 CmdArgs.push_back("-"); 2653 else 2654 CmdArgs.push_back(II.getFilename()); 2655 } 2656 2657 const char *Exec = 2658 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2659 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2660} 2661 2662void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2663 Job &Dest, const InputInfo &Output, 2664 const InputInfoList &Inputs, 2665 const ArgList &Args, 2666 const char *LinkingOutput) const { 2667 const Driver &D = getToolChain().getDriver(); 2668 ArgStringList CmdArgs; 2669 2670 if (Args.hasArg(options::OPT_static)) { 2671 CmdArgs.push_back("-Bstatic"); 2672 } else { 2673 CmdArgs.push_back("--eh-frame-hdr"); 2674 if (Args.hasArg(options::OPT_shared)) { 2675 CmdArgs.push_back("-Bshareable"); 2676 } else { 2677 CmdArgs.push_back("-dynamic-linker"); 2678 CmdArgs.push_back("/libexec/ld-elf.so.1"); 2679 } 2680 } 2681 2682 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2683 // instruct ld in the base system to link 32-bit code. 2684 if (getToolChain().getArchName() == "i386") { 2685 CmdArgs.push_back("-m"); 2686 CmdArgs.push_back("elf_i386_fbsd"); 2687 } 2688 2689 if (Output.isPipe()) { 2690 CmdArgs.push_back("-o"); 2691 CmdArgs.push_back("-"); 2692 } else if (Output.isFilename()) { 2693 CmdArgs.push_back("-o"); 2694 CmdArgs.push_back(Output.getFilename()); 2695 } else { 2696 assert(Output.isNothing() && "Invalid output."); 2697 } 2698 2699 if (!Args.hasArg(options::OPT_nostdlib) && 2700 !Args.hasArg(options::OPT_nostartfiles)) { 2701 if (!Args.hasArg(options::OPT_shared)) { 2702 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2703 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2704 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2705 } else { 2706 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2707 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2708 } 2709 } 2710 2711 Args.AddAllArgs(CmdArgs, options::OPT_L); 2712 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2713 Args.AddAllArgs(CmdArgs, options::OPT_e); 2714 2715 for (InputInfoList::const_iterator 2716 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2717 const InputInfo &II = *it; 2718 2719 // Don't try to pass LLVM inputs to a generic gcc. 2720 if (II.getType() == types::TY_LLVMBC) 2721 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2722 << getToolChain().getTripleString(); 2723 2724 if (II.isPipe()) 2725 CmdArgs.push_back("-"); 2726 else if (II.isFilename()) 2727 CmdArgs.push_back(II.getFilename()); 2728 else 2729 II.getInputArg().renderAsInput(Args, CmdArgs); 2730 } 2731 2732 if (!Args.hasArg(options::OPT_nostdlib) && 2733 !Args.hasArg(options::OPT_nodefaultlibs)) { 2734 if (D.CCCIsCXX) { 2735 CmdArgs.push_back("-lstdc++"); 2736 CmdArgs.push_back("-lm"); 2737 } 2738 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding 2739 // the default system libraries. Just mimic this for now. 2740 CmdArgs.push_back("-lgcc"); 2741 if (Args.hasArg(options::OPT_static)) { 2742 CmdArgs.push_back("-lgcc_eh"); 2743 } else { 2744 CmdArgs.push_back("--as-needed"); 2745 CmdArgs.push_back("-lgcc_s"); 2746 CmdArgs.push_back("--no-as-needed"); 2747 } 2748 2749 if (Args.hasArg(options::OPT_pthread)) 2750 CmdArgs.push_back("-lpthread"); 2751 CmdArgs.push_back("-lc"); 2752 2753 CmdArgs.push_back("-lgcc"); 2754 if (Args.hasArg(options::OPT_static)) { 2755 CmdArgs.push_back("-lgcc_eh"); 2756 } else { 2757 CmdArgs.push_back("--as-needed"); 2758 CmdArgs.push_back("-lgcc_s"); 2759 CmdArgs.push_back("--no-as-needed"); 2760 } 2761 } 2762 2763 if (!Args.hasArg(options::OPT_nostdlib) && 2764 !Args.hasArg(options::OPT_nostartfiles)) { 2765 if (!Args.hasArg(options::OPT_shared)) 2766 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2767 else 2768 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2769 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2770 } 2771 2772 const char *Exec = 2773 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2774 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2775} 2776 2777/// DragonFly Tools 2778 2779// For now, DragonFly Assemble does just about the same as for 2780// FreeBSD, but this may change soon. 2781void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2782 Job &Dest, const InputInfo &Output, 2783 const InputInfoList &Inputs, 2784 const ArgList &Args, 2785 const char *LinkingOutput) const { 2786 ArgStringList CmdArgs; 2787 2788 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2789 // instruct as in the base system to assemble 32-bit code. 2790 if (getToolChain().getArchName() == "i386") 2791 CmdArgs.push_back("--32"); 2792 2793 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2794 options::OPT_Xassembler); 2795 2796 CmdArgs.push_back("-o"); 2797 if (Output.isPipe()) 2798 CmdArgs.push_back("-"); 2799 else 2800 CmdArgs.push_back(Output.getFilename()); 2801 2802 for (InputInfoList::const_iterator 2803 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2804 const InputInfo &II = *it; 2805 if (II.isPipe()) 2806 CmdArgs.push_back("-"); 2807 else 2808 CmdArgs.push_back(II.getFilename()); 2809 } 2810 2811 const char *Exec = 2812 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2813 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2814} 2815 2816void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, 2817 Job &Dest, const InputInfo &Output, 2818 const InputInfoList &Inputs, 2819 const ArgList &Args, 2820 const char *LinkingOutput) const { 2821 const Driver &D = getToolChain().getDriver(); 2822 ArgStringList CmdArgs; 2823 2824 if (Args.hasArg(options::OPT_static)) { 2825 CmdArgs.push_back("-Bstatic"); 2826 } else { 2827 if (Args.hasArg(options::OPT_shared)) 2828 CmdArgs.push_back("-Bshareable"); 2829 else { 2830 CmdArgs.push_back("-dynamic-linker"); 2831 CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); 2832 } 2833 } 2834 2835 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2836 // instruct ld in the base system to link 32-bit code. 2837 if (getToolChain().getArchName() == "i386") { 2838 CmdArgs.push_back("-m"); 2839 CmdArgs.push_back("elf_i386"); 2840 } 2841 2842 if (Output.isPipe()) { 2843 CmdArgs.push_back("-o"); 2844 CmdArgs.push_back("-"); 2845 } else if (Output.isFilename()) { 2846 CmdArgs.push_back("-o"); 2847 CmdArgs.push_back(Output.getFilename()); 2848 } else { 2849 assert(Output.isNothing() && "Invalid output."); 2850 } 2851 2852 if (!Args.hasArg(options::OPT_nostdlib) && 2853 !Args.hasArg(options::OPT_nostartfiles)) { 2854 if (!Args.hasArg(options::OPT_shared)) { 2855 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2856 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2857 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2858 } else { 2859 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2860 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2861 } 2862 } 2863 2864 Args.AddAllArgs(CmdArgs, options::OPT_L); 2865 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2866 Args.AddAllArgs(CmdArgs, options::OPT_e); 2867 2868 for (InputInfoList::const_iterator 2869 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2870 const InputInfo &II = *it; 2871 2872 // Don't try to pass LLVM inputs to a generic gcc. 2873 if (II.getType() == types::TY_LLVMBC) 2874 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2875 << getToolChain().getTripleString(); 2876 2877 if (II.isPipe()) 2878 CmdArgs.push_back("-"); 2879 else if (II.isFilename()) 2880 CmdArgs.push_back(II.getFilename()); 2881 else 2882 II.getInputArg().renderAsInput(Args, CmdArgs); 2883 } 2884 2885 if (!Args.hasArg(options::OPT_nostdlib) && 2886 !Args.hasArg(options::OPT_nodefaultlibs)) { 2887 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of 2888 // rpaths 2889 CmdArgs.push_back("-L/usr/lib/gcc41"); 2890 2891 if (!Args.hasArg(options::OPT_static)) { 2892 CmdArgs.push_back("-rpath"); 2893 CmdArgs.push_back("/usr/lib/gcc41"); 2894 2895 CmdArgs.push_back("-rpath-link"); 2896 CmdArgs.push_back("/usr/lib/gcc41"); 2897 2898 CmdArgs.push_back("-rpath"); 2899 CmdArgs.push_back("/usr/lib"); 2900 2901 CmdArgs.push_back("-rpath-link"); 2902 CmdArgs.push_back("/usr/lib"); 2903 } 2904 2905 if (Args.hasArg(options::OPT_shared)) { 2906 CmdArgs.push_back("-lgcc_pic"); 2907 } else { 2908 CmdArgs.push_back("-lgcc"); 2909 } 2910 2911 2912 if (Args.hasArg(options::OPT_pthread)) 2913 CmdArgs.push_back("-lpthread"); 2914 2915 if (!Args.hasArg(options::OPT_nolibc)) { 2916 CmdArgs.push_back("-lc"); 2917 } 2918 2919 if (Args.hasArg(options::OPT_shared)) { 2920 CmdArgs.push_back("-lgcc_pic"); 2921 } else { 2922 CmdArgs.push_back("-lgcc"); 2923 } 2924 } 2925 2926 if (!Args.hasArg(options::OPT_nostdlib) && 2927 !Args.hasArg(options::OPT_nostartfiles)) { 2928 if (!Args.hasArg(options::OPT_shared)) 2929 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2930 else 2931 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2932 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2933 } 2934 2935 const char *Exec = 2936 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2937 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2938} 2939