Tools.cpp revision 208600
1//===--- Tools.cpp - Tools Implementations ------------------------------*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "Tools.h" 11 12#include "clang/Driver/Action.h" 13#include "clang/Driver/Arg.h" 14#include "clang/Driver/ArgList.h" 15#include "clang/Driver/Driver.h" 16#include "clang/Driver/DriverDiagnostic.h" 17#include "clang/Driver/Compilation.h" 18#include "clang/Driver/Job.h" 19#include "clang/Driver/HostInfo.h" 20#include "clang/Driver/Option.h" 21#include "clang/Driver/Options.h" 22#include "clang/Driver/ToolChain.h" 23#include "clang/Driver/Util.h" 24 25#include "llvm/ADT/SmallString.h" 26#include "llvm/ADT/StringSwitch.h" 27#include "llvm/ADT/Twine.h" 28#include "llvm/Support/Format.h" 29#include "llvm/Support/raw_ostream.h" 30#include "llvm/System/Host.h" 31#include "llvm/System/Process.h" 32 33#include "InputInfo.h" 34#include "ToolChains.h" 35 36using namespace clang::driver; 37using namespace clang::driver::tools; 38 39/// CheckPreprocessingOptions - Perform some validation of preprocessing 40/// arguments that is shared with gcc. 41static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) { 42 if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC)) 43 if (!Args.hasArg(options::OPT_E)) 44 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 45 << A->getAsString(Args) << "-E"; 46} 47 48/// CheckCodeGenerationOptions - Perform some validation of code generation 49/// arguments that is shared with gcc. 50static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { 51 // In gcc, only ARM checks this, but it seems reasonable to check universally. 52 if (Args.hasArg(options::OPT_static)) 53 if (const Arg *A = Args.getLastArg(options::OPT_dynamic, 54 options::OPT_mdynamic_no_pic)) 55 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 56 << A->getAsString(Args) << "-static"; 57} 58 59// Quote target names for inclusion in GNU Make dependency files. 60// Only the characters '$', '#', ' ', '\t' are quoted. 61static void QuoteTarget(llvm::StringRef Target, 62 llvm::SmallVectorImpl<char> &Res) { 63 for (unsigned i = 0, e = Target.size(); i != e; ++i) { 64 switch (Target[i]) { 65 case ' ': 66 case '\t': 67 // Escape the preceding backslashes 68 for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j) 69 Res.push_back('\\'); 70 71 // Escape the space/tab 72 Res.push_back('\\'); 73 break; 74 case '$': 75 Res.push_back('$'); 76 break; 77 case '#': 78 Res.push_back('\\'); 79 break; 80 default: 81 break; 82 } 83 84 Res.push_back(Target[i]); 85 } 86} 87 88void Clang::AddPreprocessingOptions(const Driver &D, 89 const ArgList &Args, 90 ArgStringList &CmdArgs, 91 const InputInfo &Output, 92 const InputInfoList &Inputs) const { 93 Arg *A; 94 95 CheckPreprocessingOptions(D, Args); 96 97 Args.AddLastArg(CmdArgs, options::OPT_C); 98 Args.AddLastArg(CmdArgs, options::OPT_CC); 99 100 // Handle dependency file generation. 101 if ((A = Args.getLastArg(options::OPT_M)) || 102 (A = Args.getLastArg(options::OPT_MM)) || 103 (A = Args.getLastArg(options::OPT_MD)) || 104 (A = Args.getLastArg(options::OPT_MMD))) { 105 // Determine the output location. 106 const char *DepFile; 107 if (Output.getType() == types::TY_Dependencies) { 108 if (Output.isPipe()) 109 DepFile = "-"; 110 else 111 DepFile = Output.getFilename(); 112 } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) { 113 DepFile = MF->getValue(Args); 114 } else if (A->getOption().matches(options::OPT_M) || 115 A->getOption().matches(options::OPT_MM)) { 116 DepFile = "-"; 117 } else { 118 DepFile = darwin::CC1::getDependencyFileName(Args, Inputs); 119 } 120 CmdArgs.push_back("-dependency-file"); 121 CmdArgs.push_back(DepFile); 122 123 // Add a default target if one wasn't specified. 124 if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) { 125 const char *DepTarget; 126 127 // If user provided -o, that is the dependency target, except 128 // when we are only generating a dependency file. 129 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 130 if (OutputOpt && Output.getType() != types::TY_Dependencies) { 131 DepTarget = OutputOpt->getValue(Args); 132 } else { 133 // Otherwise derive from the base input. 134 // 135 // FIXME: This should use the computed output file location. 136 llvm::sys::Path P(Inputs[0].getBaseInput()); 137 138 P.eraseSuffix(); 139 P.appendSuffix("o"); 140 DepTarget = Args.MakeArgString(P.getLast()); 141 } 142 143 CmdArgs.push_back("-MT"); 144 llvm::SmallString<128> Quoted; 145 QuoteTarget(DepTarget, Quoted); 146 CmdArgs.push_back(Args.MakeArgString(Quoted)); 147 } 148 149 if (A->getOption().matches(options::OPT_M) || 150 A->getOption().matches(options::OPT_MD)) 151 CmdArgs.push_back("-sys-header-deps"); 152 } 153 154 Args.AddLastArg(CmdArgs, options::OPT_MP); 155 156 // Convert all -MQ <target> args to -MT <quoted target> 157 for (arg_iterator it = Args.filtered_begin(options::OPT_MT, 158 options::OPT_MQ), 159 ie = Args.filtered_end(); it != ie; ++it) { 160 161 it->claim(); 162 163 if (it->getOption().matches(options::OPT_MQ)) { 164 CmdArgs.push_back("-MT"); 165 llvm::SmallString<128> Quoted; 166 QuoteTarget(it->getValue(Args), Quoted); 167 CmdArgs.push_back(Args.MakeArgString(Quoted)); 168 169 // -MT flag - no change 170 } else { 171 it->render(Args, CmdArgs); 172 } 173 } 174 175 // Add -i* options, and automatically translate to 176 // -include-pch/-include-pth for transparent PCH support. It's 177 // wonky, but we include looking for .gch so we can support seamless 178 // replacement into a build system already set up to be generating 179 // .gch files. 180 for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group), 181 ie = Args.filtered_end(); it != ie; ++it) { 182 const Arg *A = it; 183 184 if (A->getOption().matches(options::OPT_include)) { 185 // Use PCH if the user requested it, except for C++ (for now). 186 bool UsePCH = D.CCCUsePCH; 187 if (types::isCXX(Inputs[0].getType())) 188 UsePCH = false; 189 190 bool FoundPTH = false; 191 bool FoundPCH = false; 192 llvm::sys::Path P(A->getValue(Args)); 193 if (UsePCH) { 194 P.appendSuffix("pch"); 195 if (P.exists()) 196 FoundPCH = true; 197 else 198 P.eraseSuffix(); 199 } 200 201 if (!FoundPCH) { 202 P.appendSuffix("pth"); 203 if (P.exists()) 204 FoundPTH = true; 205 else 206 P.eraseSuffix(); 207 } 208 209 if (!FoundPCH && !FoundPTH) { 210 P.appendSuffix("gch"); 211 if (P.exists()) { 212 FoundPCH = UsePCH; 213 FoundPTH = !UsePCH; 214 } 215 else 216 P.eraseSuffix(); 217 } 218 219 if (FoundPCH || FoundPTH) { 220 A->claim(); 221 if (UsePCH) 222 CmdArgs.push_back("-include-pch"); 223 else 224 CmdArgs.push_back("-include-pth"); 225 CmdArgs.push_back(Args.MakeArgString(P.str())); 226 continue; 227 } 228 } 229 230 // Not translated, render as usual. 231 A->claim(); 232 A->render(Args, CmdArgs); 233 } 234 235 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U); 236 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 237 238 // Add -Wp, and -Xassembler if using the preprocessor. 239 240 // FIXME: There is a very unfortunate problem here, some troubled 241 // souls abuse -Wp, to pass preprocessor options in gcc syntax. To 242 // really support that we would have to parse and then translate 243 // those options. :( 244 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 245 options::OPT_Xpreprocessor); 246 247 // -I- is a deprecated GCC feature, reject it. 248 if (Arg *A = Args.getLastArg(options::OPT_I_)) 249 D.Diag(clang::diag::err_drv_I_dash_not_supported) << A->getAsString(Args); 250} 251 252/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting. 253// 254// FIXME: tblgen this. 255static const char *getARMTargetCPU(const ArgList &Args) { 256 // FIXME: Warn on inconsistent use of -mcpu and -march. 257 258 // If we have -mcpu=, use that. 259 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) 260 return A->getValue(Args); 261 262 // Otherwise, if we have -march= choose the base CPU for that arch. 263 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 264 llvm::StringRef MArch = A->getValue(Args); 265 266 if (MArch == "armv2" || MArch == "armv2a") 267 return "arm2"; 268 if (MArch == "armv3") 269 return "arm6"; 270 if (MArch == "armv3m") 271 return "arm7m"; 272 if (MArch == "armv4" || MArch == "armv4t") 273 return "arm7tdmi"; 274 if (MArch == "armv5" || MArch == "armv5t") 275 return "arm10tdmi"; 276 if (MArch == "armv5e" || MArch == "armv5te") 277 return "arm1026ejs"; 278 if (MArch == "armv5tej") 279 return "arm926ej-s"; 280 if (MArch == "armv6" || MArch == "armv6k") 281 return "arm1136jf-s"; 282 if (MArch == "armv6j") 283 return "arm1136j-s"; 284 if (MArch == "armv6z" || MArch == "armv6zk") 285 return "arm1176jzf-s"; 286 if (MArch == "armv6t2") 287 return "arm1156t2-s"; 288 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") 289 return "cortex-a8"; 290 if (MArch == "armv7r" || MArch == "armv7-r") 291 return "cortex-r4"; 292 if (MArch == "armv7m" || MArch == "armv7-m") 293 return "cortex-m3"; 294 if (MArch == "ep9312") 295 return "ep9312"; 296 if (MArch == "iwmmxt") 297 return "iwmmxt"; 298 if (MArch == "xscale") 299 return "xscale"; 300 } 301 302 // Otherwise return the most base CPU LLVM supports. 303 return "arm7tdmi"; 304} 305 306/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular 307/// CPU. 308// 309// FIXME: This is redundant with -mcpu, why does LLVM use this. 310// FIXME: tblgen this, or kill it! 311static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) { 312 if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || 313 CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || 314 CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || 315 CPU == "arm940t" || CPU == "ep9312") 316 return "v4t"; 317 318 if (CPU == "arm10tdmi" || CPU == "arm1020t") 319 return "v5"; 320 321 if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || 322 CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || 323 CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || 324 CPU == "iwmmxt") 325 return "v5e"; 326 327 if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || 328 CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") 329 return "v6"; 330 331 if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") 332 return "v6t2"; 333 334 if (CPU == "cortex-a8" || CPU == "cortex-a9") 335 return "v7"; 336 337 return ""; 338} 339 340/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which 341/// may depend on command line arguments. 342static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) { 343 switch (TC.getTriple().getArch()) { 344 default: 345 return TC.getTripleString(); 346 347 case llvm::Triple::arm: 348 case llvm::Triple::thumb: { 349 // FIXME: Factor into subclasses. 350 llvm::Triple Triple = TC.getTriple(); 351 352 // Thumb2 is the default for V7 on Darwin. 353 // 354 // FIXME: Thumb should just be another -target-feaure, not in the triple. 355 llvm::StringRef Suffix = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 356 bool ThumbDefault = 357 (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin); 358 std::string ArchName = "arm"; 359 if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) 360 ArchName = "thumb"; 361 Triple.setArchName(ArchName + Suffix.str()); 362 363 return Triple.getTriple(); 364 } 365 } 366} 367 368// FIXME: Move to target hook. 369static bool isSignedCharDefault(const llvm::Triple &Triple) { 370 switch (Triple.getArch()) { 371 default: 372 return true; 373 374 case llvm::Triple::ppc: 375 case llvm::Triple::ppc64: 376 if (Triple.getOS() == llvm::Triple::Darwin) 377 return true; 378 return false; 379 380 case llvm::Triple::systemz: 381 return false; 382 } 383} 384 385void Clang::AddARMTargetArgs(const ArgList &Args, 386 ArgStringList &CmdArgs) const { 387 const Driver &D = getToolChain().getDriver(); 388 389 // Select the ABI to use. 390 // 391 // FIXME: Support -meabi. 392 const char *ABIName = 0; 393 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 394 ABIName = A->getValue(Args); 395 } else { 396 // Select the default based on the platform. 397 switch (getToolChain().getTriple().getOS()) { 398 // FIXME: Is this right for non-Darwin and non-Linux? 399 default: 400 ABIName = "aapcs"; 401 break; 402 403 case llvm::Triple::Darwin: 404 ABIName = "apcs-gnu"; 405 break; 406 407 case llvm::Triple::Linux: 408 ABIName = "aapcs-linux"; 409 break; 410 } 411 } 412 CmdArgs.push_back("-target-abi"); 413 CmdArgs.push_back(ABIName); 414 415 // Set the CPU based on -march= and -mcpu=. 416 CmdArgs.push_back("-target-cpu"); 417 CmdArgs.push_back(getARMTargetCPU(Args)); 418 419 // Select the float ABI as determined by -msoft-float, -mhard-float, and 420 // -mfloat-abi=. 421 llvm::StringRef FloatABI; 422 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 423 options::OPT_mhard_float, 424 options::OPT_mfloat_abi_EQ)) { 425 if (A->getOption().matches(options::OPT_msoft_float)) 426 FloatABI = "soft"; 427 else if (A->getOption().matches(options::OPT_mhard_float)) 428 FloatABI = "hard"; 429 else { 430 FloatABI = A->getValue(Args); 431 if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") { 432 D.Diag(clang::diag::err_drv_invalid_mfloat_abi) 433 << A->getAsString(Args); 434 FloatABI = "soft"; 435 } 436 } 437 } 438 439 // If unspecified, choose the default based on the platform. 440 if (FloatABI.empty()) { 441 // FIXME: This is wrong for non-Darwin, we don't have a mechanism yet for 442 // distinguishing things like linux-eabi vs linux-elf. 443 switch (getToolChain().getTriple().getOS()) { 444 case llvm::Triple::Darwin: { 445 // Darwin defaults to "softfp" for v6 and v7. 446 // 447 // FIXME: Factor out an ARM class so we can cache the arch somewhere. 448 llvm::StringRef ArchName = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 449 if (ArchName.startswith("v6") || ArchName.startswith("v7")) 450 FloatABI = "softfp"; 451 else 452 FloatABI = "soft"; 453 break; 454 } 455 456 default: 457 // Assume "soft", but warn the user we are guessing. 458 FloatABI = "soft"; 459 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 460 break; 461 } 462 } 463 464 if (FloatABI == "soft") { 465 // Floating point operations and argument passing are soft. 466 // 467 // FIXME: This changes CPP defines, we need -target-soft-float. 468 CmdArgs.push_back("-msoft-float"); 469 CmdArgs.push_back("-mfloat-abi"); 470 CmdArgs.push_back("soft"); 471 } else if (FloatABI == "softfp") { 472 // Floating point operations are hard, but argument passing is soft. 473 CmdArgs.push_back("-mfloat-abi"); 474 CmdArgs.push_back("soft"); 475 } else { 476 // Floating point operations and argument passing are hard. 477 assert(FloatABI == "hard" && "Invalid float abi!"); 478 CmdArgs.push_back("-mfloat-abi"); 479 CmdArgs.push_back("hard"); 480 } 481 482 // Set appropriate target features for floating point mode. 483 // 484 // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these 485 // yet (it uses the -mfloat-abi and -msoft-float options above), and it is 486 // stripped out by the ARM target. 487 488 // Use software floating point operations? 489 if (FloatABI == "soft") { 490 CmdArgs.push_back("-target-feature"); 491 CmdArgs.push_back("+soft-float"); 492 } 493 494 // Use software floating point argument passing? 495 if (FloatABI != "hard") { 496 CmdArgs.push_back("-target-feature"); 497 CmdArgs.push_back("+soft-float-abi"); 498 } 499 500 // Honor -mfpu=. 501 // 502 // FIXME: Centralize feature selection, defaulting shouldn't be also in the 503 // frontend target. 504 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) { 505 llvm::StringRef FPU = A->getValue(Args); 506 507 // Set the target features based on the FPU. 508 if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") { 509 // Disable any default FPU support. 510 CmdArgs.push_back("-target-feature"); 511 CmdArgs.push_back("-vfp2"); 512 CmdArgs.push_back("-target-feature"); 513 CmdArgs.push_back("-vfp3"); 514 CmdArgs.push_back("-target-feature"); 515 CmdArgs.push_back("-neon"); 516 } else if (FPU == "vfp") { 517 CmdArgs.push_back("-target-feature"); 518 CmdArgs.push_back("+vfp2"); 519 } else if (FPU == "vfp3") { 520 CmdArgs.push_back("-target-feature"); 521 CmdArgs.push_back("+vfp3"); 522 } else if (FPU == "neon") { 523 CmdArgs.push_back("-target-feature"); 524 CmdArgs.push_back("+neon"); 525 } else 526 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 527 } 528} 529 530void Clang::AddMIPSTargetArgs(const ArgList &Args, 531 ArgStringList &CmdArgs) const { 532 const Driver &D = getToolChain().getDriver(); 533 534 // Select the ABI to use. 535 const char *ABIName = 0; 536 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 537 ABIName = A->getValue(Args); 538 } else { 539 ABIName = "o32"; 540 } 541 542 CmdArgs.push_back("-target-abi"); 543 CmdArgs.push_back(ABIName); 544 545 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 546 llvm::StringRef MArch = A->getValue(Args); 547 CmdArgs.push_back("-target-cpu"); 548 549 if ((MArch == "r2000") || (MArch == "r3000")) 550 CmdArgs.push_back("mips1"); 551 else if (MArch == "r6000") 552 CmdArgs.push_back("mips2"); 553 else 554 CmdArgs.push_back(MArch.str().c_str()); 555 } 556 557 // Select the float ABI as determined by -msoft-float, -mhard-float, and 558 llvm::StringRef FloatABI; 559 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 560 options::OPT_mhard_float)) { 561 if (A->getOption().matches(options::OPT_msoft_float)) 562 FloatABI = "soft"; 563 else if (A->getOption().matches(options::OPT_mhard_float)) 564 FloatABI = "hard"; 565 } 566 567 // If unspecified, choose the default based on the platform. 568 if (FloatABI.empty()) { 569 // Assume "soft", but warn the user we are guessing. 570 FloatABI = "soft"; 571 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 572 } 573 574 if (FloatABI == "soft") { 575 // Floating point operations and argument passing are soft. 576 // 577 // FIXME: This changes CPP defines, we need -target-soft-float. 578 CmdArgs.push_back("-msoft-float"); 579 } else { 580 assert(FloatABI == "hard" && "Invalid float abi!"); 581 CmdArgs.push_back("-mhard-float"); 582 } 583} 584 585void Clang::AddX86TargetArgs(const ArgList &Args, 586 ArgStringList &CmdArgs) const { 587 if (!Args.hasFlag(options::OPT_mred_zone, 588 options::OPT_mno_red_zone, 589 true) || 590 Args.hasArg(options::OPT_mkernel) || 591 Args.hasArg(options::OPT_fapple_kext)) 592 CmdArgs.push_back("-disable-red-zone"); 593 594 if (Args.hasFlag(options::OPT_msoft_float, 595 options::OPT_mno_soft_float, 596 false)) 597 CmdArgs.push_back("-no-implicit-float"); 598 599 const char *CPUName = 0; 600 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 601 if (llvm::StringRef(A->getValue(Args)) == "native") { 602 // FIXME: Reject attempts to use -march=native unless the target matches 603 // the host. 604 // 605 // FIXME: We should also incorporate the detected target features for use 606 // with -native. 607 std::string CPU = llvm::sys::getHostCPUName(); 608 if (!CPU.empty()) 609 CPUName = Args.MakeArgString(CPU); 610 } else 611 CPUName = A->getValue(Args); 612 } 613 614 // Select the default CPU if none was given (or detection failed). 615 if (!CPUName) { 616 // FIXME: Need target hooks. 617 if (getToolChain().getOS().startswith("darwin")) { 618 if (getToolChain().getArchName() == "x86_64") 619 CPUName = "core2"; 620 else if (getToolChain().getArchName() == "i386") 621 CPUName = "yonah"; 622 } else if (getToolChain().getOS().startswith("haiku")) { 623 if (getToolChain().getArchName() == "x86_64") 624 CPUName = "x86-64"; 625 else if (getToolChain().getArchName() == "i386") 626 CPUName = "i586"; 627 } else { 628 if (getToolChain().getArchName() == "x86_64") 629 CPUName = "x86-64"; 630 else if (getToolChain().getArchName() == "i386") 631 CPUName = "pentium4"; 632 } 633 } 634 635 if (CPUName) { 636 CmdArgs.push_back("-target-cpu"); 637 CmdArgs.push_back(CPUName); 638 } 639 640 for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group), 641 ie = Args.filtered_end(); it != ie; ++it) { 642 llvm::StringRef Name = it->getOption().getName(); 643 it->claim(); 644 645 // Skip over "-m". 646 assert(Name.startswith("-m") && "Invalid feature name."); 647 Name = Name.substr(2); 648 649 bool IsNegative = Name.startswith("no-"); 650 if (IsNegative) 651 Name = Name.substr(3); 652 653 CmdArgs.push_back("-target-feature"); 654 CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); 655 } 656} 657 658static bool needsExceptions(const ArgList &Args, types::ID InputType, 659 const llvm::Triple &Triple) { 660 if (Arg *A = Args.getLastArg(options::OPT_fexceptions, 661 options::OPT_fno_exceptions)) { 662 if (A->getOption().matches(options::OPT_fexceptions)) 663 return true; 664 else 665 return false; 666 } 667 switch (InputType) { 668 case types::TY_CXX: case types::TY_CXXHeader: 669 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 670 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 671 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 672 return true; 673 674 case types::TY_ObjC: case types::TY_ObjCHeader: 675 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 676 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi)) 677 return true; 678 if (Triple.getOS() != llvm::Triple::Darwin) 679 return false; 680 return (Triple.getDarwinMajorNumber() >= 9 && 681 Triple.getArch() == llvm::Triple::x86_64); 682 683 default: 684 return false; 685 } 686} 687 688/// getEffectiveClangTriple - Get the "effective" target triple, which is the 689/// triple for the target but with the OS version potentially modified for 690/// Darwin's -mmacosx-version-min. 691static std::string getEffectiveClangTriple(const Driver &D, 692 const ToolChain &TC, 693 const ArgList &Args) { 694 llvm::Triple Triple(getLLVMTriple(TC, Args)); 695 696 // Handle -mmacosx-version-min and -miphoneos-version-min. 697 if (Triple.getOS() != llvm::Triple::Darwin) { 698 // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on 699 // non-Darwin. 700 if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, 701 options::OPT_miphoneos_version_min_EQ)) 702 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 703 } else { 704 const toolchains::Darwin &DarwinTC( 705 reinterpret_cast<const toolchains::Darwin&>(TC)); 706 707 // If the target isn't initialized (e.g., an unknown Darwin platform, return 708 // the default triple). 709 if (!DarwinTC.isTargetInitialized()) 710 return Triple.getTriple(); 711 712 unsigned Version[3]; 713 DarwinTC.getTargetVersion(Version); 714 715 // Mangle the target version into the OS triple component. For historical 716 // reasons that make little sense, the version passed here is the "darwin" 717 // version, which drops the 10 and offsets by 4. See inverse code when 718 // setting the OS version preprocessor define. 719 if (!DarwinTC.isTargetIPhoneOS()) { 720 Version[0] = Version[1] + 4; 721 Version[1] = Version[2]; 722 Version[2] = 0; 723 } else { 724 // Use the environment to communicate that we are targetting iPhoneOS. 725 Triple.setEnvironmentName("iphoneos"); 726 } 727 728 llvm::SmallString<16> Str; 729 llvm::raw_svector_ostream(Str) << "darwin" << Version[0] 730 << "." << Version[1] << "." << Version[2]; 731 Triple.setOSName(Str.str()); 732 } 733 734 return Triple.getTriple(); 735} 736 737void Clang::ConstructJob(Compilation &C, const JobAction &JA, 738 Job &Dest, 739 const InputInfo &Output, 740 const InputInfoList &Inputs, 741 const ArgList &Args, 742 const char *LinkingOutput) const { 743 bool KernelOrKext = Args.hasArg(options::OPT_mkernel, 744 options::OPT_fapple_kext); 745 const Driver &D = getToolChain().getDriver(); 746 ArgStringList CmdArgs; 747 748 assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); 749 750 // Invoke ourselves in -cc1 mode. 751 // 752 // FIXME: Implement custom jobs for internal actions. 753 CmdArgs.push_back("-cc1"); 754 755 // Add the "effective" target triple. 756 CmdArgs.push_back("-triple"); 757 std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args); 758 CmdArgs.push_back(Args.MakeArgString(TripleStr)); 759 760 // Select the appropriate action. 761 if (isa<AnalyzeJobAction>(JA)) { 762 assert(JA.getType() == types::TY_Plist && "Invalid output type."); 763 CmdArgs.push_back("-analyze"); 764 } else if (isa<PreprocessJobAction>(JA)) { 765 if (Output.getType() == types::TY_Dependencies) 766 CmdArgs.push_back("-Eonly"); 767 else 768 CmdArgs.push_back("-E"); 769 } else if (isa<AssembleJobAction>(JA)) { 770 CmdArgs.push_back("-emit-obj"); 771 772 // At -O0, we use -mrelax-all by default. 773 bool IsOpt = false; 774 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) 775 IsOpt = !A->getOption().matches(options::OPT_O0); 776 if (Args.hasFlag(options::OPT_mrelax_all, 777 options::OPT_mno_relax_all, 778 !IsOpt)) 779 CmdArgs.push_back("-mrelax-all"); 780 } else if (isa<PrecompileJobAction>(JA)) { 781 // Use PCH if the user requested it, except for C++ (for now). 782 bool UsePCH = D.CCCUsePCH; 783 if (types::isCXX(Inputs[0].getType())) 784 UsePCH = false; 785 786 if (UsePCH) 787 CmdArgs.push_back("-emit-pch"); 788 else 789 CmdArgs.push_back("-emit-pth"); 790 } else { 791 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool."); 792 793 if (JA.getType() == types::TY_Nothing) { 794 CmdArgs.push_back("-fsyntax-only"); 795 } else if (JA.getType() == types::TY_LLVMAsm) { 796 CmdArgs.push_back("-emit-llvm"); 797 } else if (JA.getType() == types::TY_LLVMBC) { 798 CmdArgs.push_back("-emit-llvm-bc"); 799 } else if (JA.getType() == types::TY_PP_Asm) { 800 CmdArgs.push_back("-S"); 801 } else if (JA.getType() == types::TY_AST) { 802 CmdArgs.push_back("-emit-pch"); 803 } else if (JA.getType() == types::TY_RewrittenObjC) { 804 CmdArgs.push_back("-rewrite-objc"); 805 } else { 806 assert(JA.getType() == types::TY_PP_Asm && 807 "Unexpected output type!"); 808 } 809 } 810 811 // The make clang go fast button. 812 CmdArgs.push_back("-disable-free"); 813 814 // Disable the verification pass in -asserts builds. 815#ifdef NDEBUG 816 CmdArgs.push_back("-disable-llvm-verifier"); 817#endif 818 819 // Set the main file name, so that debug info works even with 820 // -save-temps. 821 CmdArgs.push_back("-main-file-name"); 822 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 823 824 // Some flags which affect the language (via preprocessor 825 // defines). See darwin::CC1::AddCPPArgs. 826 if (Args.hasArg(options::OPT_static)) 827 CmdArgs.push_back("-static-define"); 828 829 if (isa<AnalyzeJobAction>(JA)) { 830 // Enable region store model by default. 831 CmdArgs.push_back("-analyzer-store=region"); 832 833 // Treat blocks as analysis entry points. 834 CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks"); 835 836 // Add default argument set. 837 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { 838 CmdArgs.push_back("-analyzer-check-dead-stores"); 839 // Do not enable the security-syntatic check since it 840 // it needs to be refined (known issues). 841 // CmdArgs.push_back("-analyzer-check-security-syntactic"); 842 CmdArgs.push_back("-analyzer-check-objc-mem"); 843 CmdArgs.push_back("-analyzer-eagerly-assume"); 844 CmdArgs.push_back("-analyzer-check-objc-methodsigs"); 845 // Do not enable the missing -dealloc check. 846 // '-analyzer-check-objc-missing-dealloc', 847 CmdArgs.push_back("-analyzer-check-objc-unused-ivars"); 848 } 849 850 // Set the output format. The default is plist, for (lame) historical 851 // reasons. 852 CmdArgs.push_back("-analyzer-output"); 853 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 854 CmdArgs.push_back(A->getValue(Args)); 855 else 856 CmdArgs.push_back("plist"); 857 858 // Disable the presentation of standard compiler warnings when 859 // using --analyze. We only want to show static analyzer diagnostics 860 // or frontend errors. 861 CmdArgs.push_back("-w"); 862 863 // Add -Xanalyzer arguments when running as analyzer. 864 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 865 } 866 867 CheckCodeGenerationOptions(D, Args); 868 869 // Perform argument translation for LLVM backend. This 870 // takes some care in reconciling with llvm-gcc. The 871 // issue is that llvm-gcc translates these options based on 872 // the values in cc1, whereas we are processing based on 873 // the driver arguments. 874 875 // This comes from the default translation the driver + cc1 876 // would do to enable flag_pic. 877 // 878 // FIXME: Centralize this code. 879 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || 880 Args.hasArg(options::OPT_fpic) || 881 Args.hasArg(options::OPT_fPIE) || 882 Args.hasArg(options::OPT_fpie)); 883 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || 884 Args.hasArg(options::OPT_static)); 885 const char *Model = getToolChain().GetForcedPicModel(); 886 if (!Model) { 887 if (Args.hasArg(options::OPT_mdynamic_no_pic)) 888 Model = "dynamic-no-pic"; 889 else if (PICDisabled) 890 Model = "static"; 891 else if (PICEnabled) 892 Model = "pic"; 893 else 894 Model = getToolChain().GetDefaultRelocationModel(); 895 } 896 if (llvm::StringRef(Model) != "pic") { 897 CmdArgs.push_back("-mrelocation-model"); 898 CmdArgs.push_back(Model); 899 } 900 901 // Infer the __PIC__ value. 902 // 903 // FIXME: This isn't quite right on Darwin, which always sets 904 // __PIC__=2. 905 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { 906 CmdArgs.push_back("-pic-level"); 907 CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1"); 908 } 909 if (!Args.hasFlag(options::OPT_fmerge_all_constants, 910 options::OPT_fno_merge_all_constants)) 911 CmdArgs.push_back("-no-merge-all-constants"); 912 913 // LLVM Code Generator Options. 914 915 // FIXME: Set --enable-unsafe-fp-math. 916 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, 917 options::OPT_fomit_frame_pointer)) 918 CmdArgs.push_back("-mdisable-fp-elim"); 919 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 920 options::OPT_fno_zero_initialized_in_bss)) 921 CmdArgs.push_back("-mno-zero-initialized-in-bss"); 922 923 // Decide whether to use verbose asm. Verbose assembly is the default on 924 // toolchains which have the integrated assembler on by default. 925 bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault(); 926 if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm, 927 IsVerboseAsmDefault) || 928 Args.hasArg(options::OPT_dA)) 929 CmdArgs.push_back("-masm-verbose"); 930 931 if (Args.hasArg(options::OPT_fdebug_pass_structure)) { 932 CmdArgs.push_back("-mdebug-pass"); 933 CmdArgs.push_back("Structure"); 934 } 935 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { 936 CmdArgs.push_back("-mdebug-pass"); 937 CmdArgs.push_back("Arguments"); 938 } 939 940 // Enable -mconstructor-aliases except on darwin, where we have to 941 // work around a linker bug; see <rdar://problem/7651567>. 942 if (getToolChain().getTriple().getOS() != llvm::Triple::Darwin) 943 CmdArgs.push_back("-mconstructor-aliases"); 944 945 // This is a coarse approximation of what llvm-gcc actually does, both 946 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 947 // complicated ways. 948 bool AsynchronousUnwindTables = 949 Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 950 options::OPT_fno_asynchronous_unwind_tables, 951 getToolChain().IsUnwindTablesDefault() && 952 !KernelOrKext); 953 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, 954 AsynchronousUnwindTables)) 955 CmdArgs.push_back("-munwind-tables"); 956 957 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 958 CmdArgs.push_back("-mlimit-float-precision"); 959 CmdArgs.push_back(A->getValue(Args)); 960 } 961 962 // FIXME: Handle -mtune=. 963 (void) Args.hasArg(options::OPT_mtune_EQ); 964 965 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 966 CmdArgs.push_back("-mcode-model"); 967 CmdArgs.push_back(A->getValue(Args)); 968 } 969 970 // Add target specific cpu and features flags. 971 switch(getToolChain().getTriple().getArch()) { 972 default: 973 break; 974 975 case llvm::Triple::arm: 976 case llvm::Triple::thumb: 977 AddARMTargetArgs(Args, CmdArgs); 978 break; 979 980 case llvm::Triple::mips: 981 case llvm::Triple::mipsel: 982 AddMIPSTargetArgs(Args, CmdArgs); 983 break; 984 985 case llvm::Triple::x86: 986 case llvm::Triple::x86_64: 987 AddX86TargetArgs(Args, CmdArgs); 988 break; 989 } 990 991 // -fno-math-errno is default. 992 if (Args.hasFlag(options::OPT_fmath_errno, 993 options::OPT_fno_math_errno, 994 false)) 995 CmdArgs.push_back("-fmath-errno"); 996 997 // Explicitly error on some things we know we don't support and can't just 998 // ignore. 999 types::ID InputType = Inputs[0].getType(); 1000 Arg *Unsupported; 1001 if ((Unsupported = Args.getLastArg(options::OPT_MG)) || 1002 (Unsupported = Args.getLastArg(options::OPT_iframework)) || 1003 (Unsupported = Args.getLastArg(options::OPT_fshort_enums))) 1004 D.Diag(clang::diag::err_drv_clang_unsupported) 1005 << Unsupported->getOption().getName(); 1006 1007 if (types::isCXX(InputType) && 1008 getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1009 getToolChain().getTriple().getArch() == llvm::Triple::x86) { 1010 if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext))) 1011 D.Diag(clang::diag::err_drv_clang_unsupported_opt_cxx_darwin_i386) 1012 << Unsupported->getOption().getName(); 1013 } 1014 1015 Args.AddAllArgs(CmdArgs, options::OPT_v); 1016 Args.AddLastArg(CmdArgs, options::OPT_P); 1017 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 1018 1019 // Special case debug options to only pass -g to clang. This is 1020 // wrong. 1021 Args.ClaimAllArgs(options::OPT_g_Group); 1022 if (Arg *A = Args.getLastArg(options::OPT_g_Group)) 1023 if (!A->getOption().matches(options::OPT_g0)) 1024 CmdArgs.push_back("-g"); 1025 1026 Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections); 1027 Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections); 1028 1029 Args.AddLastArg(CmdArgs, options::OPT_nostdinc); 1030 Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); 1031 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); 1032 1033 // Pass the path to compiler resource files. 1034 CmdArgs.push_back("-resource-dir"); 1035 CmdArgs.push_back(D.ResourceDir.c_str()); 1036 1037 // Add preprocessing options like -I, -D, etc. if we are using the 1038 // preprocessor. 1039 // 1040 // FIXME: Support -fpreprocessed 1041 if (types::getPreprocessedType(InputType) != types::TY_INVALID) 1042 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); 1043 1044 // Manually translate -O to -O2 and -O4 to -O3; let clang reject 1045 // others. 1046 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 1047 if (A->getOption().matches(options::OPT_O4)) 1048 CmdArgs.push_back("-O3"); 1049 else if (A->getOption().matches(options::OPT_O) && 1050 A->getValue(Args)[0] == '\0') 1051 CmdArgs.push_back("-O2"); 1052 else 1053 A->render(Args, CmdArgs); 1054 } 1055 1056 Args.AddAllArgs(CmdArgs, options::OPT_W_Group); 1057 Args.AddLastArg(CmdArgs, options::OPT_pedantic); 1058 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); 1059 Args.AddLastArg(CmdArgs, options::OPT_w); 1060 1061 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 1062 // (-ansi is equivalent to -std=c89). 1063 // 1064 // If a std is supplied, only add -trigraphs if it follows the 1065 // option. 1066 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1067 if (Std->getOption().matches(options::OPT_ansi)) 1068 if (types::isCXX(InputType)) 1069 CmdArgs.push_back("-std=c++98"); 1070 else 1071 CmdArgs.push_back("-std=c89"); 1072 else 1073 Std->render(Args, CmdArgs); 1074 1075 if (Arg *A = Args.getLastArg(options::OPT_trigraphs)) 1076 if (A->getIndex() > Std->getIndex()) 1077 A->render(Args, CmdArgs); 1078 } else { 1079 // Honor -std-default. 1080 // 1081 // FIXME: Clang doesn't correctly handle -std= when the input language 1082 // doesn't match. For the time being just ignore this for C++ inputs; 1083 // eventually we want to do all the standard defaulting here instead of 1084 // splitting it between the driver and clang -cc1. 1085 if (!types::isCXX(InputType)) 1086 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1087 "-std=", /*Joined=*/true); 1088 Args.AddLastArg(CmdArgs, options::OPT_trigraphs); 1089 } 1090 1091 // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'. 1092 if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) { 1093 if (Asm->getOption().matches(options::OPT_fasm)) 1094 CmdArgs.push_back("-fgnu-keywords"); 1095 else 1096 CmdArgs.push_back("-fno-gnu-keywords"); 1097 } 1098 1099 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { 1100 CmdArgs.push_back("-ftemplate-depth"); 1101 CmdArgs.push_back(A->getValue(Args)); 1102 } 1103 1104 if (Args.hasArg(options::OPT__relocatable_pch)) 1105 CmdArgs.push_back("-relocatable-pch"); 1106 1107 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 1108 CmdArgs.push_back("-fconstant-string-class"); 1109 CmdArgs.push_back(A->getValue(Args)); 1110 } 1111 1112 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { 1113 CmdArgs.push_back("-ftabstop"); 1114 CmdArgs.push_back(A->getValue(Args)); 1115 } 1116 1117 CmdArgs.push_back("-ferror-limit"); 1118 if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ)) 1119 CmdArgs.push_back(A->getValue(Args)); 1120 else 1121 CmdArgs.push_back("19"); 1122 1123 if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) { 1124 CmdArgs.push_back("-fmacro-backtrace-limit"); 1125 CmdArgs.push_back(A->getValue(Args)); 1126 } 1127 1128 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) { 1129 CmdArgs.push_back("-ftemplate-backtrace-limit"); 1130 CmdArgs.push_back(A->getValue(Args)); 1131 } 1132 1133 // Pass -fmessage-length=. 1134 CmdArgs.push_back("-fmessage-length"); 1135 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { 1136 CmdArgs.push_back(A->getValue(Args)); 1137 } else { 1138 // If -fmessage-length=N was not specified, determine whether this is a 1139 // terminal and, if so, implicitly define -fmessage-length appropriately. 1140 unsigned N = llvm::sys::Process::StandardErrColumns(); 1141 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(N))); 1142 } 1143 1144 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) { 1145 CmdArgs.push_back("-fvisibility"); 1146 CmdArgs.push_back(A->getValue(Args)); 1147 } 1148 1149 // -fhosted is default. 1150 if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding, 1151 options::OPT_fhosted, 1152 false)) 1153 CmdArgs.push_back("-ffreestanding"); 1154 1155 // Forward -f (flag) options which we can pass directly. 1156 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior); 1157 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 1158 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 1159 1160 // -flax-vector-conversions is default. 1161 if (!Args.hasFlag(options::OPT_flax_vector_conversions, 1162 options::OPT_fno_lax_vector_conversions)) 1163 CmdArgs.push_back("-fno-lax-vector-conversions"); 1164 1165 // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only 1166 // takes precedence. 1167 const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only); 1168 if (!GCArg) 1169 GCArg = Args.getLastArg(options::OPT_fobjc_gc); 1170 if (GCArg) { 1171 if (getToolChain().SupportsObjCGC()) { 1172 GCArg->render(Args, CmdArgs); 1173 } else { 1174 // FIXME: We should move this to a hard error. 1175 D.Diag(clang::diag::warn_drv_objc_gc_unsupported) 1176 << GCArg->getAsString(Args); 1177 } 1178 } 1179 1180 Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics); 1181 Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); 1182 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 1183 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 1184 Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 1185 Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 1186 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 1187 1188 Args.AddLastArg(CmdArgs, options::OPT_pthread); 1189 1190 // -stack-protector=0 is default. 1191 unsigned StackProtectorLevel = 0; 1192 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 1193 options::OPT_fstack_protector_all, 1194 options::OPT_fstack_protector)) { 1195 if (A->getOption().matches(options::OPT_fstack_protector)) 1196 StackProtectorLevel = 1; 1197 else if (A->getOption().matches(options::OPT_fstack_protector_all)) 1198 StackProtectorLevel = 2; 1199 } else 1200 StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel(); 1201 if (StackProtectorLevel) { 1202 CmdArgs.push_back("-stack-protector"); 1203 CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel))); 1204 } 1205 1206 // Forward -f options with positive and negative forms; we translate 1207 // these by hand. 1208 1209 // -fbuiltin is default. 1210 if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) 1211 CmdArgs.push_back("-fno-builtin"); 1212 1213 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1214 options::OPT_fno_assume_sane_operator_new)) 1215 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1216 1217 // -fblocks=0 is default. 1218 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, 1219 getToolChain().IsBlocksDefault())) { 1220 CmdArgs.push_back("-fblocks"); 1221 } 1222 1223 // -faccess-control is default. 1224 if (Args.hasFlag(options::OPT_fno_access_control, 1225 options::OPT_faccess_control, 1226 false)) 1227 CmdArgs.push_back("-fno-access-control"); 1228 1229 // -fexceptions=0 is default. 1230 if (needsExceptions(Args, InputType, getToolChain().getTriple())) 1231 CmdArgs.push_back("-fexceptions"); 1232 1233 if (getToolChain().UseSjLjExceptions()) 1234 CmdArgs.push_back("-fsjlj-exceptions"); 1235 1236 // -frtti is default. 1237 if (KernelOrKext || 1238 !Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) 1239 CmdArgs.push_back("-fno-rtti"); 1240 1241 // -fsigned-char is default. 1242 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char, 1243 isSignedCharDefault(getToolChain().getTriple()))) 1244 CmdArgs.push_back("-fno-signed-char"); 1245 1246 // -fthreadsafe-static is default. 1247 if (!Args.hasFlag(options::OPT_fthreadsafe_statics, 1248 options::OPT_fno_threadsafe_statics)) 1249 CmdArgs.push_back("-fno-threadsafe-statics"); 1250 1251 // -fuse-cxa-atexit is default. 1252 if (KernelOrKext || !Args.hasFlag(options::OPT_fuse_cxa_atexit, 1253 options::OPT_fno_use_cxa_atexit)) 1254 CmdArgs.push_back("-fno-use-cxa-atexit"); 1255 1256 // -fms-extensions=0 is default. 1257 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, 1258 getToolChain().getTriple().getOS() == llvm::Triple::Win32)) 1259 CmdArgs.push_back("-fms-extensions"); 1260 1261 // -fgnu-keywords default varies depending on language; only pass if 1262 // specified. 1263 if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords, 1264 options::OPT_fno_gnu_keywords)) 1265 A->render(Args, CmdArgs); 1266 1267 // -fnext-runtime is default. 1268 if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, 1269 getToolChain().getTriple().getOS() == llvm::Triple::Darwin)) 1270 CmdArgs.push_back("-fgnu-runtime"); 1271 1272 // -fobjc-nonfragile-abi=0 is default. 1273 if (types::isObjC(InputType)) { 1274 unsigned Version = 1; 1275 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) || 1276 getToolChain().IsObjCNonFragileABIDefault()) 1277 Version = 2; 1278 if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) { 1279 if (llvm::StringRef(A->getValue(Args)) == "1") 1280 Version = 1; 1281 else if (llvm::StringRef(A->getValue(Args)) == "2") 1282 Version = 2; 1283 else 1284 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1285 } 1286 1287 if (Version == 2) { 1288 CmdArgs.push_back("-fobjc-nonfragile-abi"); 1289 1290 // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and 1291 // legacy is the default. 1292 if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch, 1293 options::OPT_fno_objc_legacy_dispatch, 1294 getToolChain().IsObjCLegacyDispatchDefault())) { 1295 if (getToolChain().UseObjCMixedDispatch()) 1296 CmdArgs.push_back("-fobjc-dispatch-method=mixed"); 1297 else 1298 CmdArgs.push_back("-fobjc-dispatch-method=non-legacy"); 1299 } 1300 } 1301 1302 // FIXME: -fobjc-nonfragile-abi2 is a transient option meant to expose 1303 // features in testing. It will eventually be removed. 1304 if (Args.hasArg(options::OPT_fobjc_nonfragile_abi2)) 1305 CmdArgs.push_back("-fobjc-nonfragile-abi2"); 1306 } 1307 1308 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 1309 options::OPT_fno_assume_sane_operator_new)) 1310 CmdArgs.push_back("-fno-assume-sane-operator-new"); 1311 1312 // -fconstant-cfstrings is default, and may be subject to argument translation 1313 // on Darwin. 1314 if (!Args.hasFlag(options::OPT_fconstant_cfstrings, 1315 options::OPT_fno_constant_cfstrings) || 1316 !Args.hasFlag(options::OPT_mconstant_cfstrings, 1317 options::OPT_mno_constant_cfstrings)) 1318 CmdArgs.push_back("-fno-constant-cfstrings"); 1319 1320 // -fshort-wchar default varies depending on platform; only 1321 // pass if specified. 1322 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) 1323 A->render(Args, CmdArgs); 1324 1325 // -fno-pascal-strings is default, only pass non-default. If the tool chain 1326 // happened to translate to -mpascal-strings, we want to back translate here. 1327 // 1328 // FIXME: This is gross; that translation should be pulled from the 1329 // tool chain. 1330 if (Args.hasFlag(options::OPT_fpascal_strings, 1331 options::OPT_fno_pascal_strings, 1332 false) || 1333 Args.hasFlag(options::OPT_mpascal_strings, 1334 options::OPT_mno_pascal_strings, 1335 false)) 1336 CmdArgs.push_back("-fpascal-strings"); 1337 1338 // -fcommon is default, only pass non-default. 1339 if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) 1340 CmdArgs.push_back("-fno-common"); 1341 1342 // -fsigned-bitfields is default, and clang doesn't yet support 1343 // --funsigned-bitfields. 1344 if (!Args.hasFlag(options::OPT_fsigned_bitfields, 1345 options::OPT_funsigned_bitfields)) 1346 D.Diag(clang::diag::warn_drv_clang_unsupported) 1347 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 1348 1349 // -fdiagnostics-fixit-info is default, only pass non-default. 1350 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 1351 options::OPT_fno_diagnostics_fixit_info)) 1352 CmdArgs.push_back("-fno-diagnostics-fixit-info"); 1353 1354 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary); 1355 1356 // Enable -fdiagnostics-show-option by default. 1357 if (Args.hasFlag(options::OPT_fdiagnostics_show_option, 1358 options::OPT_fno_diagnostics_show_option)) 1359 CmdArgs.push_back("-fdiagnostics-show-option"); 1360 1361 if (const Arg *A = 1362 Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) { 1363 CmdArgs.push_back("-fdiagnostics-show-category"); 1364 CmdArgs.push_back(A->getValue(Args)); 1365 } 1366 1367 // Color diagnostics are the default, unless the terminal doesn't support 1368 // them. 1369 if (Args.hasFlag(options::OPT_fcolor_diagnostics, 1370 options::OPT_fno_color_diagnostics) && 1371 llvm::sys::Process::StandardErrHasColors()) 1372 CmdArgs.push_back("-fcolor-diagnostics"); 1373 1374 if (!Args.hasFlag(options::OPT_fshow_source_location, 1375 options::OPT_fno_show_source_location)) 1376 CmdArgs.push_back("-fno-show-source-location"); 1377 1378 // -fdollars-in-identifiers default varies depending on platform and 1379 // language; only pass if specified. 1380 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 1381 options::OPT_fno_dollars_in_identifiers)) { 1382 if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 1383 CmdArgs.push_back("-fdollars-in-identifiers"); 1384 else 1385 CmdArgs.push_back("-fno-dollars-in-identifiers"); 1386 } 1387 1388 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 1389 // practical purposes. 1390 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 1391 options::OPT_fno_unit_at_a_time)) { 1392 if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 1393 D.Diag(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args); 1394 } 1395 1396 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. 1397 // 1398 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941. 1399#if 0 1400 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 1401 (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1402 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) { 1403 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1404 CmdArgs.push_back("-fno-builtin-strcat"); 1405 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1406 CmdArgs.push_back("-fno-builtin-strcpy"); 1407 } 1408#endif 1409 1410 if (Arg *A = Args.getLastArg(options::OPT_traditional, 1411 options::OPT_traditional_cpp)) 1412 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 1413 1414 Args.AddLastArg(CmdArgs, options::OPT_dM); 1415 Args.AddLastArg(CmdArgs, options::OPT_dD); 1416 1417 // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option 1418 // parser. 1419 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 1420 for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm), 1421 ie = Args.filtered_end(); it != ie; ++it) { 1422 it->claim(); 1423 1424 // We translate this by hand to the -cc1 argument, since nightly test uses 1425 // it and developers have been trained to spell it with -mllvm. 1426 if (llvm::StringRef(it->getValue(Args, 0)) == "-disable-llvm-optzns") 1427 CmdArgs.push_back("-disable-llvm-optzns"); 1428 else 1429 it->render(Args, CmdArgs); 1430 } 1431 1432 if (Output.getType() == types::TY_Dependencies) { 1433 // Handled with other dependency code. 1434 } else if (Output.isPipe()) { 1435 CmdArgs.push_back("-o"); 1436 CmdArgs.push_back("-"); 1437 } else if (Output.isFilename()) { 1438 CmdArgs.push_back("-o"); 1439 CmdArgs.push_back(Output.getFilename()); 1440 } else { 1441 assert(Output.isNothing() && "Invalid output."); 1442 } 1443 1444 for (InputInfoList::const_iterator 1445 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1446 const InputInfo &II = *it; 1447 CmdArgs.push_back("-x"); 1448 CmdArgs.push_back(types::getTypeName(II.getType())); 1449 if (II.isPipe()) 1450 CmdArgs.push_back("-"); 1451 else if (II.isFilename()) 1452 CmdArgs.push_back(II.getFilename()); 1453 else 1454 II.getInputArg().renderAsInput(Args, CmdArgs); 1455 } 1456 1457 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1458 1459 const char *Exec = 1460 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1461 1462 // Optionally embed the -cc1 level arguments into the debug info, for build 1463 // analysis. 1464 if (getToolChain().UseDwarfDebugFlags()) { 1465 llvm::SmallString<256> Flags; 1466 Flags += Exec; 1467 for (unsigned i = 0, e = CmdArgs.size(); i != e; ++i) { 1468 Flags += " "; 1469 Flags += CmdArgs[i]; 1470 } 1471 CmdArgs.push_back("-dwarf-debug-flags"); 1472 CmdArgs.push_back(Args.MakeArgString(Flags.str())); 1473 } 1474 1475 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1476 1477 // Explicitly warn that these options are unsupported, even though 1478 // we are allowing compilation to continue. 1479 for (arg_iterator it = Args.filtered_begin(options::OPT_pg), 1480 ie = Args.filtered_end(); it != ie; ++it) { 1481 it->claim(); 1482 D.Diag(clang::diag::warn_drv_clang_unsupported) << it->getAsString(Args); 1483 } 1484 1485 // Claim some arguments which clang supports automatically. 1486 1487 // -fpch-preprocess is used with gcc to add a special marker in the output to 1488 // include the PCH file. Clang's PTH solution is completely transparent, so we 1489 // do not need to deal with it at all. 1490 Args.ClaimAllArgs(options::OPT_fpch_preprocess); 1491 1492 // Claim some arguments which clang doesn't support, but we don't 1493 // care to warn the user about. 1494 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); 1495 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); 1496} 1497 1498void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, 1499 Job &Dest, 1500 const InputInfo &Output, 1501 const InputInfoList &Inputs, 1502 const ArgList &Args, 1503 const char *LinkingOutput) const { 1504 const Driver &D = getToolChain().getDriver(); 1505 ArgStringList CmdArgs; 1506 1507 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 1508 const InputInfo &Input = Inputs[0]; 1509 1510 // Invoke ourselves in -cc1as mode. 1511 // 1512 // FIXME: Implement custom jobs for internal actions. 1513 CmdArgs.push_back("-cc1as"); 1514 1515 // Add the "effective" target triple. 1516 CmdArgs.push_back("-triple"); 1517 std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args); 1518 CmdArgs.push_back(Args.MakeArgString(TripleStr)); 1519 1520 // Set the output mode, we currently only expect to be used as a real 1521 // assembler. 1522 CmdArgs.push_back("-filetype"); 1523 CmdArgs.push_back("obj"); 1524 1525 // At -O0, we use -mrelax-all by default. 1526 bool IsOpt = false; 1527 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) 1528 IsOpt = !A->getOption().matches(options::OPT_O0); 1529 if (Args.hasFlag(options::OPT_mrelax_all, 1530 options::OPT_mno_relax_all, 1531 !IsOpt)) 1532 CmdArgs.push_back("-mrelax-all"); 1533 1534 // FIXME: Add -force_cpusubtype_ALL support, once we have it. 1535 1536 // FIXME: Add -g support, once we have it. 1537 1538 // FIXME: Add -static support, once we have it. 1539 1540 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 1541 options::OPT_Xassembler); 1542 1543 assert(Output.isFilename() && "Unexpected lipo output."); 1544 CmdArgs.push_back("-o"); 1545 CmdArgs.push_back(Output.getFilename()); 1546 1547 if (Input.isPipe()) { 1548 CmdArgs.push_back("-"); 1549 } else { 1550 assert(Input.isFilename() && "Invalid input."); 1551 CmdArgs.push_back(Input.getFilename()); 1552 } 1553 1554 const char *Exec = 1555 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang")); 1556 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1557} 1558 1559void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 1560 Job &Dest, 1561 const InputInfo &Output, 1562 const InputInfoList &Inputs, 1563 const ArgList &Args, 1564 const char *LinkingOutput) const { 1565 const Driver &D = getToolChain().getDriver(); 1566 ArgStringList CmdArgs; 1567 1568 for (ArgList::const_iterator 1569 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 1570 Arg *A = *it; 1571 if (A->getOption().hasForwardToGCC()) { 1572 // It is unfortunate that we have to claim here, as this means 1573 // we will basically never report anything interesting for 1574 // platforms using a generic gcc, even if we are just using gcc 1575 // to get to the assembler. 1576 A->claim(); 1577 A->render(Args, CmdArgs); 1578 } 1579 } 1580 1581 RenderExtraToolArgs(JA, CmdArgs); 1582 1583 // If using a driver driver, force the arch. 1584 const std::string &Arch = getToolChain().getArchName(); 1585 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) { 1586 CmdArgs.push_back("-arch"); 1587 1588 // FIXME: Remove these special cases. 1589 if (Arch == "powerpc") 1590 CmdArgs.push_back("ppc"); 1591 else if (Arch == "powerpc64") 1592 CmdArgs.push_back("ppc64"); 1593 else 1594 CmdArgs.push_back(Args.MakeArgString(Arch)); 1595 } 1596 1597 // Try to force gcc to match the tool chain we want, if we recognize 1598 // the arch. 1599 // 1600 // FIXME: The triple class should directly provide the information we want 1601 // here. 1602 if (Arch == "i386" || Arch == "powerpc") 1603 CmdArgs.push_back("-m32"); 1604 else if (Arch == "x86_64" || Arch == "powerpc64") 1605 CmdArgs.push_back("-m64"); 1606 1607 if (Output.isPipe()) { 1608 CmdArgs.push_back("-o"); 1609 CmdArgs.push_back("-"); 1610 } else if (Output.isFilename()) { 1611 CmdArgs.push_back("-o"); 1612 CmdArgs.push_back(Output.getFilename()); 1613 } else { 1614 assert(Output.isNothing() && "Unexpected output"); 1615 CmdArgs.push_back("-fsyntax-only"); 1616 } 1617 1618 1619 // Only pass -x if gcc will understand it; otherwise hope gcc 1620 // understands the suffix correctly. The main use case this would go 1621 // wrong in is for linker inputs if they happened to have an odd 1622 // suffix; really the only way to get this to happen is a command 1623 // like '-x foobar a.c' which will treat a.c like a linker input. 1624 // 1625 // FIXME: For the linker case specifically, can we safely convert 1626 // inputs into '-Wl,' options? 1627 for (InputInfoList::const_iterator 1628 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1629 const InputInfo &II = *it; 1630 1631 // Don't try to pass LLVM or AST inputs to a generic gcc. 1632 if (II.getType() == types::TY_LLVMBC) 1633 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 1634 << getToolChain().getTripleString(); 1635 else if (II.getType() == types::TY_AST) 1636 D.Diag(clang::diag::err_drv_no_ast_support) 1637 << getToolChain().getTripleString(); 1638 1639 if (types::canTypeBeUserSpecified(II.getType())) { 1640 CmdArgs.push_back("-x"); 1641 CmdArgs.push_back(types::getTypeName(II.getType())); 1642 } 1643 1644 if (II.isPipe()) 1645 CmdArgs.push_back("-"); 1646 else if (II.isFilename()) 1647 CmdArgs.push_back(II.getFilename()); 1648 else 1649 // Don't render as input, we need gcc to do the translations. 1650 II.getInputArg().render(Args, CmdArgs); 1651 } 1652 1653 const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str(); 1654 const char *Exec = 1655 Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); 1656 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 1657} 1658 1659void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, 1660 ArgStringList &CmdArgs) const { 1661 CmdArgs.push_back("-E"); 1662} 1663 1664void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA, 1665 ArgStringList &CmdArgs) const { 1666 // The type is good enough. 1667} 1668 1669void gcc::Compile::RenderExtraToolArgs(const JobAction &JA, 1670 ArgStringList &CmdArgs) const { 1671 const Driver &D = getToolChain().getDriver(); 1672 1673 // If -flto, etc. are present then make sure not to force assembly output. 1674 if (JA.getType() == types::TY_LLVMBC) 1675 CmdArgs.push_back("-c"); 1676 else { 1677 if (JA.getType() != types::TY_PP_Asm) 1678 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 1679 << getTypeName(JA.getType()); 1680 1681 CmdArgs.push_back("-S"); 1682 } 1683} 1684 1685void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA, 1686 ArgStringList &CmdArgs) const { 1687 CmdArgs.push_back("-c"); 1688} 1689 1690void gcc::Link::RenderExtraToolArgs(const JobAction &JA, 1691 ArgStringList &CmdArgs) const { 1692 // The types are (hopefully) good enough. 1693} 1694 1695const char *darwin::CC1::getCC1Name(types::ID Type) const { 1696 switch (Type) { 1697 default: 1698 assert(0 && "Unexpected type for Darwin CC1 tool."); 1699 case types::TY_Asm: 1700 case types::TY_C: case types::TY_CHeader: 1701 case types::TY_PP_C: case types::TY_PP_CHeader: 1702 return "cc1"; 1703 case types::TY_ObjC: case types::TY_ObjCHeader: 1704 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 1705 return "cc1obj"; 1706 case types::TY_CXX: case types::TY_CXXHeader: 1707 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 1708 return "cc1plus"; 1709 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 1710 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 1711 return "cc1objplus"; 1712 } 1713} 1714 1715const char *darwin::CC1::getBaseInputName(const ArgList &Args, 1716 const InputInfoList &Inputs) { 1717 llvm::sys::Path P(Inputs[0].getBaseInput()); 1718 return Args.MakeArgString(P.getLast()); 1719} 1720 1721const char *darwin::CC1::getBaseInputStem(const ArgList &Args, 1722 const InputInfoList &Inputs) { 1723 const char *Str = getBaseInputName(Args, Inputs); 1724 1725 if (const char *End = strchr(Str, '.')) 1726 return Args.MakeArgString(std::string(Str, End)); 1727 1728 return Str; 1729} 1730 1731const char * 1732darwin::CC1::getDependencyFileName(const ArgList &Args, 1733 const InputInfoList &Inputs) { 1734 // FIXME: Think about this more. 1735 std::string Res; 1736 1737 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1738 std::string Str(OutputOpt->getValue(Args)); 1739 1740 Res = Str.substr(0, Str.rfind('.')); 1741 } else 1742 Res = darwin::CC1::getBaseInputStem(Args, Inputs); 1743 1744 return Args.MakeArgString(Res + ".d"); 1745} 1746 1747void darwin::CC1::AddCC1Args(const ArgList &Args, 1748 ArgStringList &CmdArgs) const { 1749 const Driver &D = getToolChain().getDriver(); 1750 1751 CheckCodeGenerationOptions(D, Args); 1752 1753 // Derived from cc1 spec. 1754 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) && 1755 !Args.hasArg(options::OPT_mdynamic_no_pic)) 1756 CmdArgs.push_back("-fPIC"); 1757 1758 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1759 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1760 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1761 CmdArgs.push_back("-fno-builtin-strcat"); 1762 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1763 CmdArgs.push_back("-fno-builtin-strcpy"); 1764 } 1765 1766 // gcc has some code here to deal with when no -mmacosx-version-min 1767 // and no -miphoneos-version-min is present, but this never happens 1768 // due to tool chain specific argument translation. 1769 1770 if (Args.hasArg(options::OPT_g_Flag) && 1771 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols)) 1772 CmdArgs.push_back("-feliminate-unused-debug-symbols"); 1773} 1774 1775void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1776 const InputInfoList &Inputs, 1777 const ArgStringList &OutputArgs) const { 1778 const Driver &D = getToolChain().getDriver(); 1779 1780 // Derived from cc1_options spec. 1781 if (Args.hasArg(options::OPT_fast) || 1782 Args.hasArg(options::OPT_fastf) || 1783 Args.hasArg(options::OPT_fastcp)) 1784 CmdArgs.push_back("-O3"); 1785 1786 if (Arg *A = Args.getLastArg(options::OPT_pg)) 1787 if (Args.hasArg(options::OPT_fomit_frame_pointer)) 1788 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1789 << A->getAsString(Args) << "-fomit-frame-pointer"; 1790 1791 AddCC1Args(Args, CmdArgs); 1792 1793 if (!Args.hasArg(options::OPT_Q)) 1794 CmdArgs.push_back("-quiet"); 1795 1796 CmdArgs.push_back("-dumpbase"); 1797 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 1798 1799 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1800 1801 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1802 Args.AddAllArgs(CmdArgs, options::OPT_a_Group); 1803 1804 // FIXME: The goal is to use the user provided -o if that is our 1805 // final output, otherwise to drive from the original input 1806 // name. Find a clean way to go about this. 1807 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 1808 Args.hasArg(options::OPT_o)) { 1809 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 1810 CmdArgs.push_back("-auxbase-strip"); 1811 CmdArgs.push_back(OutputOpt->getValue(Args)); 1812 } else { 1813 CmdArgs.push_back("-auxbase"); 1814 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs)); 1815 } 1816 1817 Args.AddAllArgs(CmdArgs, options::OPT_g_Group); 1818 1819 Args.AddAllArgs(CmdArgs, options::OPT_O); 1820 // FIXME: -Wall is getting some special treatment. Investigate. 1821 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1822 Args.AddLastArg(CmdArgs, options::OPT_w); 1823 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1824 options::OPT_trigraphs); 1825 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1826 // Honor -std-default. 1827 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1828 "-std=", /*Joined=*/true); 1829 } 1830 1831 if (Args.hasArg(options::OPT_v)) 1832 CmdArgs.push_back("-version"); 1833 if (Args.hasArg(options::OPT_pg)) 1834 CmdArgs.push_back("-p"); 1835 Args.AddLastArg(CmdArgs, options::OPT_p); 1836 1837 // The driver treats -fsyntax-only specially. 1838 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1839 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1840 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are 1841 // used to inhibit the default -fno-builtin-str{cat,cpy}. 1842 // 1843 // FIXME: Should we grow a better way to deal with "removing" args? 1844 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group, 1845 options::OPT_fsyntax_only), 1846 ie = Args.filtered_end(); it != ie; ++it) { 1847 if (!it->getOption().matches(options::OPT_fbuiltin_strcat) && 1848 !it->getOption().matches(options::OPT_fbuiltin_strcpy)) { 1849 it->claim(); 1850 it->render(Args, CmdArgs); 1851 } 1852 } 1853 } else 1854 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1855 1856 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1857 if (Args.hasArg(options::OPT_Qn)) 1858 CmdArgs.push_back("-fno-ident"); 1859 1860 // FIXME: This isn't correct. 1861 //Args.AddLastArg(CmdArgs, options::OPT__help) 1862 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp) 1863 1864 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1865 1866 // FIXME: Still don't get what is happening here. Investigate. 1867 Args.AddAllArgs(CmdArgs, options::OPT__param); 1868 1869 if (Args.hasArg(options::OPT_fmudflap) || 1870 Args.hasArg(options::OPT_fmudflapth)) { 1871 CmdArgs.push_back("-fno-builtin"); 1872 CmdArgs.push_back("-fno-merge-constants"); 1873 } 1874 1875 if (Args.hasArg(options::OPT_coverage)) { 1876 CmdArgs.push_back("-fprofile-arcs"); 1877 CmdArgs.push_back("-ftest-coverage"); 1878 } 1879 1880 if (types::isCXX(Inputs[0].getType())) 1881 CmdArgs.push_back("-D__private_extern__=extern"); 1882} 1883 1884void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1885 const InputInfoList &Inputs, 1886 const ArgStringList &OutputArgs) const { 1887 // Derived from cpp_options 1888 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1889 1890 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1891 1892 AddCC1Args(Args, CmdArgs); 1893 1894 // NOTE: The code below has some commonality with cpp_options, but 1895 // in classic gcc style ends up sending things in different 1896 // orders. This may be a good merge candidate once we drop pedantic 1897 // compatibility. 1898 1899 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1900 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1901 options::OPT_trigraphs); 1902 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1903 // Honor -std-default. 1904 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1905 "-std=", /*Joined=*/true); 1906 } 1907 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1908 Args.AddLastArg(CmdArgs, options::OPT_w); 1909 1910 // The driver treats -fsyntax-only specially. 1911 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1912 1913 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) && 1914 !Args.hasArg(options::OPT_fno_working_directory)) 1915 CmdArgs.push_back("-fworking-directory"); 1916 1917 Args.AddAllArgs(CmdArgs, options::OPT_O); 1918 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1919 if (Args.hasArg(options::OPT_save_temps)) 1920 CmdArgs.push_back("-fpch-preprocess"); 1921} 1922 1923void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args, 1924 ArgStringList &CmdArgs, 1925 const InputInfoList &Inputs) const { 1926 const Driver &D = getToolChain().getDriver(); 1927 1928 CheckPreprocessingOptions(D, Args); 1929 1930 // Derived from cpp_unique_options. 1931 // -{C,CC} only with -E is checked in CheckPreprocessingOptions(). 1932 Args.AddLastArg(CmdArgs, options::OPT_C); 1933 Args.AddLastArg(CmdArgs, options::OPT_CC); 1934 if (!Args.hasArg(options::OPT_Q)) 1935 CmdArgs.push_back("-quiet"); 1936 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc); 1937 Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx); 1938 Args.AddLastArg(CmdArgs, options::OPT_v); 1939 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 1940 Args.AddLastArg(CmdArgs, options::OPT_P); 1941 1942 // FIXME: Handle %I properly. 1943 if (getToolChain().getArchName() == "x86_64") { 1944 CmdArgs.push_back("-imultilib"); 1945 CmdArgs.push_back("x86_64"); 1946 } 1947 1948 if (Args.hasArg(options::OPT_MD)) { 1949 CmdArgs.push_back("-MD"); 1950 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1951 } 1952 1953 if (Args.hasArg(options::OPT_MMD)) { 1954 CmdArgs.push_back("-MMD"); 1955 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1956 } 1957 1958 Args.AddLastArg(CmdArgs, options::OPT_M); 1959 Args.AddLastArg(CmdArgs, options::OPT_MM); 1960 Args.AddAllArgs(CmdArgs, options::OPT_MF); 1961 Args.AddLastArg(CmdArgs, options::OPT_MG); 1962 Args.AddLastArg(CmdArgs, options::OPT_MP); 1963 Args.AddAllArgs(CmdArgs, options::OPT_MQ); 1964 Args.AddAllArgs(CmdArgs, options::OPT_MT); 1965 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) && 1966 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) { 1967 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1968 CmdArgs.push_back("-MQ"); 1969 CmdArgs.push_back(OutputOpt->getValue(Args)); 1970 } 1971 } 1972 1973 Args.AddLastArg(CmdArgs, options::OPT_remap); 1974 if (Args.hasArg(options::OPT_g3)) 1975 CmdArgs.push_back("-dD"); 1976 Args.AddLastArg(CmdArgs, options::OPT_H); 1977 1978 AddCPPArgs(Args, CmdArgs); 1979 1980 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A); 1981 Args.AddAllArgs(CmdArgs, options::OPT_i_Group); 1982 1983 for (InputInfoList::const_iterator 1984 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1985 const InputInfo &II = *it; 1986 1987 if (II.isPipe()) 1988 CmdArgs.push_back("-"); 1989 else 1990 CmdArgs.push_back(II.getFilename()); 1991 } 1992 1993 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 1994 options::OPT_Xpreprocessor); 1995 1996 if (Args.hasArg(options::OPT_fmudflap)) { 1997 CmdArgs.push_back("-D_MUDFLAP"); 1998 CmdArgs.push_back("-include"); 1999 CmdArgs.push_back("mf-runtime.h"); 2000 } 2001 2002 if (Args.hasArg(options::OPT_fmudflapth)) { 2003 CmdArgs.push_back("-D_MUDFLAP"); 2004 CmdArgs.push_back("-D_MUDFLAPTH"); 2005 CmdArgs.push_back("-include"); 2006 CmdArgs.push_back("mf-runtime.h"); 2007 } 2008} 2009 2010void darwin::CC1::AddCPPArgs(const ArgList &Args, 2011 ArgStringList &CmdArgs) const { 2012 // Derived from cpp spec. 2013 2014 if (Args.hasArg(options::OPT_static)) { 2015 // The gcc spec is broken here, it refers to dynamic but 2016 // that has been translated. Start by being bug compatible. 2017 2018 // if (!Args.hasArg(arglist.parser.dynamicOption)) 2019 CmdArgs.push_back("-D__STATIC__"); 2020 } else 2021 CmdArgs.push_back("-D__DYNAMIC__"); 2022 2023 if (Args.hasArg(options::OPT_pthread)) 2024 CmdArgs.push_back("-D_REENTRANT"); 2025} 2026 2027void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA, 2028 Job &Dest, const InputInfo &Output, 2029 const InputInfoList &Inputs, 2030 const ArgList &Args, 2031 const char *LinkingOutput) const { 2032 ArgStringList CmdArgs; 2033 2034 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 2035 2036 CmdArgs.push_back("-E"); 2037 2038 if (Args.hasArg(options::OPT_traditional) || 2039 Args.hasArg(options::OPT_traditional_cpp)) 2040 CmdArgs.push_back("-traditional-cpp"); 2041 2042 ArgStringList OutputArgs; 2043 if (Output.isFilename()) { 2044 OutputArgs.push_back("-o"); 2045 OutputArgs.push_back(Output.getFilename()); 2046 } else { 2047 assert(Output.isPipe() && "Unexpected CC1 output."); 2048 } 2049 2050 if (Args.hasArg(options::OPT_E)) { 2051 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2052 } else { 2053 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2054 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2055 } 2056 2057 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 2058 2059 const char *CC1Name = getCC1Name(Inputs[0].getType()); 2060 const char *Exec = 2061 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 2062 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2063} 2064 2065void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, 2066 Job &Dest, const InputInfo &Output, 2067 const InputInfoList &Inputs, 2068 const ArgList &Args, 2069 const char *LinkingOutput) const { 2070 const Driver &D = getToolChain().getDriver(); 2071 ArgStringList CmdArgs; 2072 2073 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 2074 2075 types::ID InputType = Inputs[0].getType(); 2076 const Arg *A; 2077 if ((A = Args.getLastArg(options::OPT_traditional))) 2078 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2079 << A->getAsString(Args) << "-E"; 2080 2081 if (Output.getType() == types::TY_LLVMAsm) 2082 CmdArgs.push_back("-emit-llvm"); 2083 else if (Output.getType() == types::TY_LLVMBC) 2084 CmdArgs.push_back("-emit-llvm-bc"); 2085 else if (Output.getType() == types::TY_AST) 2086 D.Diag(clang::diag::err_drv_no_ast_support) 2087 << getToolChain().getTripleString(); 2088 else if (JA.getType() != types::TY_PP_Asm && 2089 JA.getType() != types::TY_PCH) 2090 D.Diag(clang::diag::err_drv_invalid_gcc_output_type) 2091 << getTypeName(JA.getType()); 2092 2093 ArgStringList OutputArgs; 2094 if (Output.getType() != types::TY_PCH) { 2095 OutputArgs.push_back("-o"); 2096 if (Output.isPipe()) 2097 OutputArgs.push_back("-"); 2098 else if (Output.isNothing()) 2099 OutputArgs.push_back("/dev/null"); 2100 else 2101 OutputArgs.push_back(Output.getFilename()); 2102 } 2103 2104 // There is no need for this level of compatibility, but it makes 2105 // diffing easier. 2106 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) || 2107 Args.hasArg(options::OPT_S)); 2108 2109 if (types::getPreprocessedType(InputType) != types::TY_INVALID) { 2110 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 2111 if (OutputArgsEarly) { 2112 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2113 } else { 2114 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2115 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2116 } 2117 } else { 2118 CmdArgs.push_back("-fpreprocessed"); 2119 2120 for (InputInfoList::const_iterator 2121 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2122 const InputInfo &II = *it; 2123 2124 // Reject AST inputs. 2125 if (II.getType() == types::TY_AST) { 2126 D.Diag(clang::diag::err_drv_no_ast_support) 2127 << getToolChain().getTripleString(); 2128 return; 2129 } 2130 2131 if (II.isPipe()) 2132 CmdArgs.push_back("-"); 2133 else 2134 CmdArgs.push_back(II.getFilename()); 2135 } 2136 2137 if (OutputArgsEarly) { 2138 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 2139 } else { 2140 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 2141 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 2142 } 2143 } 2144 2145 if (Output.getType() == types::TY_PCH) { 2146 assert(Output.isFilename() && "Invalid PCH output."); 2147 2148 CmdArgs.push_back("-o"); 2149 // NOTE: gcc uses a temp .s file for this, but there doesn't seem 2150 // to be a good reason. 2151 CmdArgs.push_back("/dev/null"); 2152 2153 CmdArgs.push_back("--output-pch="); 2154 CmdArgs.push_back(Output.getFilename()); 2155 } 2156 2157 const char *CC1Name = getCC1Name(Inputs[0].getType()); 2158 const char *Exec = 2159 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 2160 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2161} 2162 2163void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2164 Job &Dest, const InputInfo &Output, 2165 const InputInfoList &Inputs, 2166 const ArgList &Args, 2167 const char *LinkingOutput) const { 2168 ArgStringList CmdArgs; 2169 2170 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 2171 const InputInfo &Input = Inputs[0]; 2172 2173 // Bit of a hack, this is only used for original inputs. 2174 // 2175 // FIXME: This is broken for preprocessed .s inputs. 2176 if (Input.isFilename() && 2177 strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { 2178 if (Args.hasArg(options::OPT_gstabs)) 2179 CmdArgs.push_back("--gstabs"); 2180 else if (Args.hasArg(options::OPT_g_Group)) 2181 CmdArgs.push_back("--gdwarf2"); 2182 } 2183 2184 // Derived from asm spec. 2185 AddDarwinArch(Args, CmdArgs); 2186 2187 if (!getDarwinToolChain().isTargetIPhoneOS() || 2188 Args.hasArg(options::OPT_force__cpusubtype__ALL)) 2189 CmdArgs.push_back("-force_cpusubtype_ALL"); 2190 2191 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 && 2192 (Args.hasArg(options::OPT_mkernel) || 2193 Args.hasArg(options::OPT_static) || 2194 Args.hasArg(options::OPT_fapple_kext))) 2195 CmdArgs.push_back("-static"); 2196 2197 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2198 options::OPT_Xassembler); 2199 2200 assert(Output.isFilename() && "Unexpected lipo output."); 2201 CmdArgs.push_back("-o"); 2202 CmdArgs.push_back(Output.getFilename()); 2203 2204 if (Input.isPipe()) { 2205 CmdArgs.push_back("-"); 2206 } else { 2207 assert(Input.isFilename() && "Invalid input."); 2208 CmdArgs.push_back(Input.getFilename()); 2209 } 2210 2211 // asm_final spec is empty. 2212 2213 const char *Exec = 2214 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2215 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2216} 2217 2218/// Helper routine for seeing if we should use dsymutil; this is a 2219/// gcc compatible hack, we should remove it and use the input 2220/// type information. 2221static bool isSourceSuffix(const char *Str) { 2222 // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm', 2223 // 'mm'. 2224 return llvm::StringSwitch<bool>(Str) 2225 .Case("C", true) 2226 .Case("c", true) 2227 .Case("m", true) 2228 .Case("cc", true) 2229 .Case("cp", true) 2230 .Case("mm", true) 2231 .Case("CPP", true) 2232 .Case("c++", true) 2233 .Case("cpp", true) 2234 .Case("cxx", true) 2235 .Default(false); 2236} 2237 2238void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, 2239 ArgStringList &CmdArgs) const { 2240 llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args); 2241 2242 // Derived from darwin_arch spec. 2243 CmdArgs.push_back("-arch"); 2244 CmdArgs.push_back(Args.MakeArgString(ArchName)); 2245 2246 // FIXME: Is this needed anymore? 2247 if (ArchName == "arm") 2248 CmdArgs.push_back("-force_cpusubtype_ALL"); 2249} 2250 2251void darwin::Link::AddLinkArgs(const ArgList &Args, 2252 ArgStringList &CmdArgs) const { 2253 const Driver &D = getToolChain().getDriver(); 2254 2255 // Derived from the "link" spec. 2256 Args.AddAllArgs(CmdArgs, options::OPT_static); 2257 if (!Args.hasArg(options::OPT_static)) 2258 CmdArgs.push_back("-dynamic"); 2259 if (Args.hasArg(options::OPT_fgnu_runtime)) { 2260 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu 2261 // here. How do we wish to handle such things? 2262 } 2263 2264 if (!Args.hasArg(options::OPT_dynamiclib)) { 2265 AddDarwinArch(Args, CmdArgs); 2266 // FIXME: Why do this only on this path? 2267 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL); 2268 2269 Args.AddLastArg(CmdArgs, options::OPT_bundle); 2270 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); 2271 Args.AddAllArgs(CmdArgs, options::OPT_client__name); 2272 2273 Arg *A; 2274 if ((A = Args.getLastArg(options::OPT_compatibility__version)) || 2275 (A = Args.getLastArg(options::OPT_current__version)) || 2276 (A = Args.getLastArg(options::OPT_install__name))) 2277 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 2278 << A->getAsString(Args) << "-dynamiclib"; 2279 2280 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); 2281 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); 2282 Args.AddLastArg(CmdArgs, options::OPT_private__bundle); 2283 } else { 2284 CmdArgs.push_back("-dylib"); 2285 2286 Arg *A; 2287 if ((A = Args.getLastArg(options::OPT_bundle)) || 2288 (A = Args.getLastArg(options::OPT_bundle__loader)) || 2289 (A = Args.getLastArg(options::OPT_client__name)) || 2290 (A = Args.getLastArg(options::OPT_force__flat__namespace)) || 2291 (A = Args.getLastArg(options::OPT_keep__private__externs)) || 2292 (A = Args.getLastArg(options::OPT_private__bundle))) 2293 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 2294 << A->getAsString(Args) << "-dynamiclib"; 2295 2296 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, 2297 "-dylib_compatibility_version"); 2298 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, 2299 "-dylib_current_version"); 2300 2301 AddDarwinArch(Args, CmdArgs); 2302 2303 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, 2304 "-dylib_install_name"); 2305 } 2306 2307 Args.AddLastArg(CmdArgs, options::OPT_all__load); 2308 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); 2309 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); 2310 if (getDarwinToolChain().isTargetIPhoneOS()) 2311 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); 2312 Args.AddLastArg(CmdArgs, options::OPT_dead__strip); 2313 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); 2314 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); 2315 Args.AddLastArg(CmdArgs, options::OPT_dynamic); 2316 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); 2317 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); 2318 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); 2319 Args.AddAllArgs(CmdArgs, options::OPT_image__base); 2320 Args.AddAllArgs(CmdArgs, options::OPT_init); 2321 2322 // Adding all arguments doesn't make sense here but this is what gcc does. One 2323 // of this should always be present thanks to argument translation. 2324 assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) || 2325 Args.hasArg(options::OPT_miphoneos_version_min_EQ)) && 2326 "Missing version argument (lost in translation)?"); 2327 Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, 2328 "-macosx_version_min"); 2329 Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, 2330 "-iphoneos_version_min"); 2331 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); 2332 Args.AddLastArg(CmdArgs, options::OPT_multi__module); 2333 Args.AddLastArg(CmdArgs, options::OPT_single__module); 2334 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); 2335 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); 2336 2337 if (Args.hasArg(options::OPT_fpie)) 2338 CmdArgs.push_back("-pie"); 2339 2340 Args.AddLastArg(CmdArgs, options::OPT_prebind); 2341 Args.AddLastArg(CmdArgs, options::OPT_noprebind); 2342 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); 2343 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); 2344 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); 2345 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); 2346 Args.AddAllArgs(CmdArgs, options::OPT_sectorder); 2347 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); 2348 Args.AddAllArgs(CmdArgs, options::OPT_segprot); 2349 Args.AddAllArgs(CmdArgs, options::OPT_segaddr); 2350 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); 2351 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); 2352 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); 2353 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); 2354 Args.AddAllArgs(CmdArgs, options::OPT_sub__library); 2355 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); 2356 2357 Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); 2358 if (getDarwinToolChain().isTargetIPhoneOS()) { 2359 if (!Args.hasArg(options::OPT_isysroot)) { 2360 CmdArgs.push_back("-syslibroot"); 2361 CmdArgs.push_back("/Developer/SDKs/Extra"); 2362 } 2363 } 2364 2365 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); 2366 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); 2367 Args.AddAllArgs(CmdArgs, options::OPT_umbrella); 2368 Args.AddAllArgs(CmdArgs, options::OPT_undefined); 2369 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); 2370 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); 2371 Args.AddLastArg(CmdArgs, options::OPT_X_Flag); 2372 Args.AddAllArgs(CmdArgs, options::OPT_y); 2373 Args.AddLastArg(CmdArgs, options::OPT_w); 2374 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); 2375 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); 2376 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); 2377 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); 2378 Args.AddAllArgs(CmdArgs, options::OPT_sectalign); 2379 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); 2380 Args.AddAllArgs(CmdArgs, options::OPT_segcreate); 2381 Args.AddLastArg(CmdArgs, options::OPT_whyload); 2382 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); 2383 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); 2384 Args.AddLastArg(CmdArgs, options::OPT_dylinker); 2385 Args.AddLastArg(CmdArgs, options::OPT_Mach); 2386} 2387 2388void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, 2389 Job &Dest, const InputInfo &Output, 2390 const InputInfoList &Inputs, 2391 const ArgList &Args, 2392 const char *LinkingOutput) const { 2393 assert(Output.getType() == types::TY_Image && "Invalid linker output type."); 2394 2395 // The logic here is derived from gcc's behavior; most of which 2396 // comes from specs (starting with link_command). Consult gcc for 2397 // more information. 2398 ArgStringList CmdArgs; 2399 2400 // I'm not sure why this particular decomposition exists in gcc, but 2401 // we follow suite for ease of comparison. 2402 AddLinkArgs(Args, CmdArgs); 2403 2404 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); 2405 Args.AddAllArgs(CmdArgs, options::OPT_s); 2406 Args.AddAllArgs(CmdArgs, options::OPT_t); 2407 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); 2408 Args.AddAllArgs(CmdArgs, options::OPT_u_Group); 2409 Args.AddAllArgs(CmdArgs, options::OPT_A); 2410 Args.AddLastArg(CmdArgs, options::OPT_e); 2411 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate); 2412 Args.AddAllArgs(CmdArgs, options::OPT_r); 2413 2414 CmdArgs.push_back("-o"); 2415 CmdArgs.push_back(Output.getFilename()); 2416 2417 if (!Args.hasArg(options::OPT_A) && 2418 !Args.hasArg(options::OPT_nostdlib) && 2419 !Args.hasArg(options::OPT_nostartfiles)) { 2420 // Derived from startfile spec. 2421 if (Args.hasArg(options::OPT_dynamiclib)) { 2422 // Derived from darwin_dylib1 spec. 2423 if (getDarwinToolChain().isTargetIPhoneOS()) { 2424 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2425 CmdArgs.push_back("-ldylib1.o"); 2426 } else { 2427 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2428 CmdArgs.push_back("-ldylib1.o"); 2429 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2430 CmdArgs.push_back("-ldylib1.10.5.o"); 2431 } 2432 } else { 2433 if (Args.hasArg(options::OPT_bundle)) { 2434 if (!Args.hasArg(options::OPT_static)) { 2435 // Derived from darwin_bundle1 spec. 2436 if (getDarwinToolChain().isTargetIPhoneOS()) { 2437 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2438 CmdArgs.push_back("-lbundle1.o"); 2439 } else { 2440 if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2441 CmdArgs.push_back("-lbundle1.o"); 2442 } 2443 } 2444 } else { 2445 if (Args.hasArg(options::OPT_pg)) { 2446 if (Args.hasArg(options::OPT_static) || 2447 Args.hasArg(options::OPT_object) || 2448 Args.hasArg(options::OPT_preload)) { 2449 CmdArgs.push_back("-lgcrt0.o"); 2450 } else { 2451 CmdArgs.push_back("-lgcrt1.o"); 2452 2453 // darwin_crt2 spec is empty. 2454 } 2455 } else { 2456 if (Args.hasArg(options::OPT_static) || 2457 Args.hasArg(options::OPT_object) || 2458 Args.hasArg(options::OPT_preload)) { 2459 CmdArgs.push_back("-lcrt0.o"); 2460 } else { 2461 // Derived from darwin_crt1 spec. 2462 if (getDarwinToolChain().isTargetIPhoneOS()) { 2463 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1)) 2464 CmdArgs.push_back("-lcrt1.o"); 2465 else 2466 CmdArgs.push_back("-lcrt1.3.1.o"); 2467 } else { 2468 if (getDarwinToolChain().isMacosxVersionLT(10, 5)) 2469 CmdArgs.push_back("-lcrt1.o"); 2470 else if (getDarwinToolChain().isMacosxVersionLT(10, 6)) 2471 CmdArgs.push_back("-lcrt1.10.5.o"); 2472 else 2473 CmdArgs.push_back("-lcrt1.10.6.o"); 2474 2475 // darwin_crt2 spec is empty. 2476 } 2477 } 2478 } 2479 } 2480 } 2481 2482 if (!getDarwinToolChain().isTargetIPhoneOS() && 2483 Args.hasArg(options::OPT_shared_libgcc) && 2484 getDarwinToolChain().isMacosxVersionLT(10, 5)) { 2485 const char *Str = 2486 Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o")); 2487 CmdArgs.push_back(Str); 2488 } 2489 } 2490 2491 Args.AddAllArgs(CmdArgs, options::OPT_L); 2492 2493 if (Args.hasArg(options::OPT_fopenmp)) 2494 // This is more complicated in gcc... 2495 CmdArgs.push_back("-lgomp"); 2496 2497 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); 2498 2499 for (InputInfoList::const_iterator 2500 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2501 const InputInfo &II = *it; 2502 if (II.isFilename()) 2503 CmdArgs.push_back(II.getFilename()); 2504 else 2505 II.getInputArg().renderAsInput(Args, CmdArgs); 2506 } 2507 2508 if (LinkingOutput) { 2509 CmdArgs.push_back("-arch_multiple"); 2510 CmdArgs.push_back("-final_output"); 2511 CmdArgs.push_back(LinkingOutput); 2512 } 2513 2514 if (Args.hasArg(options::OPT_fprofile_arcs) || 2515 Args.hasArg(options::OPT_fprofile_generate) || 2516 Args.hasArg(options::OPT_fcreate_profile) || 2517 Args.hasArg(options::OPT_coverage)) 2518 CmdArgs.push_back("-lgcov"); 2519 2520 if (Args.hasArg(options::OPT_fnested_functions)) 2521 CmdArgs.push_back("-allow_stack_execute"); 2522 2523 if (!Args.hasArg(options::OPT_nostdlib) && 2524 !Args.hasArg(options::OPT_nodefaultlibs)) { 2525 // FIXME: g++ is more complicated here, it tries to put -lstdc++ 2526 // before -lm, for example. 2527 if (getToolChain().getDriver().CCCIsCXX) 2528 CmdArgs.push_back("-lstdc++"); 2529 2530 // link_ssp spec is empty. 2531 2532 // Let the tool chain choose which runtime library to link. 2533 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); 2534 } 2535 2536 if (!Args.hasArg(options::OPT_A) && 2537 !Args.hasArg(options::OPT_nostdlib) && 2538 !Args.hasArg(options::OPT_nostartfiles)) { 2539 // endfile_spec is empty. 2540 } 2541 2542 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2543 Args.AddAllArgs(CmdArgs, options::OPT_F); 2544 2545 const char *Exec = 2546 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2547 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2548 2549 // Find the first non-empty base input (we want to ignore linker 2550 // inputs). 2551 const char *BaseInput = ""; 2552 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 2553 if (Inputs[i].getBaseInput()[0] != '\0') { 2554 BaseInput = Inputs[i].getBaseInput(); 2555 break; 2556 } 2557 } 2558 2559 // Run dsymutil if we are making an executable in a single step. 2560 // 2561 // FIXME: Currently we don't want to do this when we are part of a 2562 // universal build step, as this would end up creating stray temp 2563 // files. 2564 if (!LinkingOutput && 2565 Args.getLastArg(options::OPT_g_Group) && 2566 !Args.getLastArg(options::OPT_gstabs) && 2567 !Args.getLastArg(options::OPT_g0)) { 2568 // FIXME: This is gross, but matches gcc. The test only considers 2569 // the suffix (not the -x type), and then only of the first 2570 // source input. Awesome. 2571 const char *Suffix = strrchr(BaseInput, '.'); 2572 if (Suffix && isSourceSuffix(Suffix + 1)) { 2573 const char *Exec = 2574 Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); 2575 ArgStringList CmdArgs; 2576 CmdArgs.push_back(Output.getFilename()); 2577 C.getJobs().addCommand(new Command(JA, *this, Exec, CmdArgs)); 2578 } 2579 } 2580} 2581 2582void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, 2583 Job &Dest, const InputInfo &Output, 2584 const InputInfoList &Inputs, 2585 const ArgList &Args, 2586 const char *LinkingOutput) const { 2587 ArgStringList CmdArgs; 2588 2589 CmdArgs.push_back("-create"); 2590 assert(Output.isFilename() && "Unexpected lipo output."); 2591 2592 CmdArgs.push_back("-output"); 2593 CmdArgs.push_back(Output.getFilename()); 2594 2595 for (InputInfoList::const_iterator 2596 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2597 const InputInfo &II = *it; 2598 assert(II.isFilename() && "Unexpected lipo input."); 2599 CmdArgs.push_back(II.getFilename()); 2600 } 2601 const char *Exec = 2602 Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo")); 2603 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2604} 2605 2606void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2607 Job &Dest, const InputInfo &Output, 2608 const InputInfoList &Inputs, 2609 const ArgList &Args, 2610 const char *LinkingOutput) const { 2611 ArgStringList CmdArgs; 2612 2613 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2614 options::OPT_Xassembler); 2615 2616 CmdArgs.push_back("-o"); 2617 if (Output.isPipe()) 2618 CmdArgs.push_back("-"); 2619 else 2620 CmdArgs.push_back(Output.getFilename()); 2621 2622 for (InputInfoList::const_iterator 2623 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2624 const InputInfo &II = *it; 2625 if (II.isPipe()) 2626 CmdArgs.push_back("-"); 2627 else 2628 CmdArgs.push_back(II.getFilename()); 2629 } 2630 2631 const char *Exec = 2632 Args.MakeArgString(getToolChain().GetProgramPath(C, "gas")); 2633 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2634} 2635 2636void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, 2637 Job &Dest, const InputInfo &Output, 2638 const InputInfoList &Inputs, 2639 const ArgList &Args, 2640 const char *LinkingOutput) const { 2641 const Driver &D = getToolChain().getDriver(); 2642 ArgStringList CmdArgs; 2643 2644 if ((!Args.hasArg(options::OPT_nostdlib)) && 2645 (!Args.hasArg(options::OPT_shared))) { 2646 CmdArgs.push_back("-e"); 2647 CmdArgs.push_back("_start"); 2648 } 2649 2650 if (Args.hasArg(options::OPT_static)) { 2651 CmdArgs.push_back("-Bstatic"); 2652 CmdArgs.push_back("-dn"); 2653 } else { 2654// CmdArgs.push_back("--eh-frame-hdr"); 2655 CmdArgs.push_back("-Bdynamic"); 2656 if (Args.hasArg(options::OPT_shared)) { 2657 CmdArgs.push_back("-shared"); 2658 } else { 2659 CmdArgs.push_back("--dynamic-linker"); 2660 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 2661 } 2662 } 2663 2664 if (Output.isPipe()) { 2665 CmdArgs.push_back("-o"); 2666 CmdArgs.push_back("-"); 2667 } else if (Output.isFilename()) { 2668 CmdArgs.push_back("-o"); 2669 CmdArgs.push_back(Output.getFilename()); 2670 } else { 2671 assert(Output.isNothing() && "Invalid output."); 2672 } 2673 2674 if (!Args.hasArg(options::OPT_nostdlib) && 2675 !Args.hasArg(options::OPT_nostartfiles)) { 2676 if (!Args.hasArg(options::OPT_shared)) { 2677 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2678 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2679 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2680 } else { 2681 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2682 } 2683 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2684 } 2685 2686 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/" 2687 + getToolChain().getTripleString() 2688 + "/4.2.4")); 2689 2690 Args.AddAllArgs(CmdArgs, options::OPT_L); 2691 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2692 Args.AddAllArgs(CmdArgs, options::OPT_e); 2693 2694 for (InputInfoList::const_iterator 2695 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2696 const InputInfo &II = *it; 2697 2698 // Don't try to pass LLVM inputs to a generic gcc. 2699 if (II.getType() == types::TY_LLVMBC) 2700 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2701 << getToolChain().getTripleString(); 2702 2703 if (II.isPipe()) 2704 CmdArgs.push_back("-"); 2705 else if (II.isFilename()) 2706 CmdArgs.push_back(II.getFilename()); 2707 else 2708 II.getInputArg().renderAsInput(Args, CmdArgs); 2709 } 2710 2711 if (!Args.hasArg(options::OPT_nostdlib) && 2712 !Args.hasArg(options::OPT_nodefaultlibs)) { 2713 // FIXME: For some reason GCC passes -lgcc before adding 2714 // the default system libraries. Just mimic this for now. 2715 CmdArgs.push_back("-lgcc"); 2716 2717 if (Args.hasArg(options::OPT_pthread)) 2718 CmdArgs.push_back("-pthread"); 2719 if (!Args.hasArg(options::OPT_shared)) 2720 CmdArgs.push_back("-lc"); 2721 CmdArgs.push_back("-lgcc"); 2722 } 2723 2724 if (!Args.hasArg(options::OPT_nostdlib) && 2725 !Args.hasArg(options::OPT_nostartfiles)) { 2726 if (!Args.hasArg(options::OPT_shared)) 2727 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2728// else 2729// CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2730 } 2731 2732 const char *Exec = 2733 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2734 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2735} 2736 2737void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2738 Job &Dest, const InputInfo &Output, 2739 const InputInfoList &Inputs, 2740 const ArgList &Args, 2741 const char *LinkingOutput) const { 2742 ArgStringList CmdArgs; 2743 2744 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2745 options::OPT_Xassembler); 2746 2747 CmdArgs.push_back("-o"); 2748 if (Output.isPipe()) 2749 CmdArgs.push_back("-"); 2750 else 2751 CmdArgs.push_back(Output.getFilename()); 2752 2753 for (InputInfoList::const_iterator 2754 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2755 const InputInfo &II = *it; 2756 if (II.isPipe()) 2757 CmdArgs.push_back("-"); 2758 else 2759 CmdArgs.push_back(II.getFilename()); 2760 } 2761 2762 const char *Exec = 2763 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2764 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2765} 2766 2767void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2768 Job &Dest, const InputInfo &Output, 2769 const InputInfoList &Inputs, 2770 const ArgList &Args, 2771 const char *LinkingOutput) const { 2772 const Driver &D = getToolChain().getDriver(); 2773 ArgStringList CmdArgs; 2774 2775 if ((!Args.hasArg(options::OPT_nostdlib)) && 2776 (!Args.hasArg(options::OPT_shared))) { 2777 CmdArgs.push_back("-e"); 2778 CmdArgs.push_back("__start"); 2779 } 2780 2781 if (Args.hasArg(options::OPT_static)) { 2782 CmdArgs.push_back("-Bstatic"); 2783 } else { 2784 CmdArgs.push_back("--eh-frame-hdr"); 2785 CmdArgs.push_back("-Bdynamic"); 2786 if (Args.hasArg(options::OPT_shared)) { 2787 CmdArgs.push_back("-shared"); 2788 } else { 2789 CmdArgs.push_back("-dynamic-linker"); 2790 CmdArgs.push_back("/usr/libexec/ld.so"); 2791 } 2792 } 2793 2794 if (Output.isPipe()) { 2795 CmdArgs.push_back("-o"); 2796 CmdArgs.push_back("-"); 2797 } else if (Output.isFilename()) { 2798 CmdArgs.push_back("-o"); 2799 CmdArgs.push_back(Output.getFilename()); 2800 } else { 2801 assert(Output.isNothing() && "Invalid output."); 2802 } 2803 2804 if (!Args.hasArg(options::OPT_nostdlib) && 2805 !Args.hasArg(options::OPT_nostartfiles)) { 2806 if (!Args.hasArg(options::OPT_shared)) { 2807 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o"))); 2808 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2809 } else { 2810 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2811 } 2812 } 2813 2814 std::string Triple = getToolChain().getTripleString(); 2815 if (Triple.substr(0, 6) == "x86_64") 2816 Triple.replace(0, 6, "amd64"); 2817 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + 2818 "/3.3.5")); 2819 2820 Args.AddAllArgs(CmdArgs, options::OPT_L); 2821 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2822 Args.AddAllArgs(CmdArgs, options::OPT_e); 2823 2824 for (InputInfoList::const_iterator 2825 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2826 const InputInfo &II = *it; 2827 2828 // Don't try to pass LLVM inputs to a generic gcc. 2829 if (II.getType() == types::TY_LLVMBC) 2830 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2831 << getToolChain().getTripleString(); 2832 2833 if (II.isPipe()) 2834 CmdArgs.push_back("-"); 2835 else if (II.isFilename()) 2836 CmdArgs.push_back(II.getFilename()); 2837 else 2838 II.getInputArg().renderAsInput(Args, CmdArgs); 2839 } 2840 2841 if (!Args.hasArg(options::OPT_nostdlib) && 2842 !Args.hasArg(options::OPT_nodefaultlibs)) { 2843 // FIXME: For some reason GCC passes -lgcc before adding 2844 // the default system libraries. Just mimic this for now. 2845 CmdArgs.push_back("-lgcc"); 2846 2847 if (Args.hasArg(options::OPT_pthread)) 2848 CmdArgs.push_back("-pthread"); 2849 if (!Args.hasArg(options::OPT_shared)) 2850 CmdArgs.push_back("-lc"); 2851 CmdArgs.push_back("-lgcc"); 2852 } 2853 2854 if (!Args.hasArg(options::OPT_nostdlib) && 2855 !Args.hasArg(options::OPT_nostartfiles)) { 2856 if (!Args.hasArg(options::OPT_shared)) 2857 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2858 else 2859 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2860 } 2861 2862 const char *Exec = 2863 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2864 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2865} 2866 2867void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2868 Job &Dest, const InputInfo &Output, 2869 const InputInfoList &Inputs, 2870 const ArgList &Args, 2871 const char *LinkingOutput) const { 2872 ArgStringList CmdArgs; 2873 2874 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2875 // instruct as in the base system to assemble 32-bit code. 2876 if (getToolChain().getArchName() == "i386") 2877 CmdArgs.push_back("--32"); 2878 2879 2880 // Set byte order explicitly 2881 if (getToolChain().getArchName() == "mips") 2882 CmdArgs.push_back("-EB"); 2883 else if (getToolChain().getArchName() == "mipsel") 2884 CmdArgs.push_back("-EL"); 2885 2886 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2887 options::OPT_Xassembler); 2888 2889 CmdArgs.push_back("-o"); 2890 if (Output.isPipe()) 2891 CmdArgs.push_back("-"); 2892 else 2893 CmdArgs.push_back(Output.getFilename()); 2894 2895 for (InputInfoList::const_iterator 2896 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2897 const InputInfo &II = *it; 2898 if (II.isPipe()) 2899 CmdArgs.push_back("-"); 2900 else 2901 CmdArgs.push_back(II.getFilename()); 2902 } 2903 2904 const char *Exec = 2905 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2906 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 2907} 2908 2909void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2910 Job &Dest, const InputInfo &Output, 2911 const InputInfoList &Inputs, 2912 const ArgList &Args, 2913 const char *LinkingOutput) const { 2914 const Driver &D = getToolChain().getDriver(); 2915 ArgStringList CmdArgs; 2916 2917 if (Args.hasArg(options::OPT_static)) { 2918 CmdArgs.push_back("-Bstatic"); 2919 } else { 2920 CmdArgs.push_back("--eh-frame-hdr"); 2921 if (Args.hasArg(options::OPT_shared)) { 2922 CmdArgs.push_back("-Bshareable"); 2923 } else { 2924 CmdArgs.push_back("-dynamic-linker"); 2925 CmdArgs.push_back("/libexec/ld-elf.so.1"); 2926 } 2927 } 2928 2929 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2930 // instruct ld in the base system to link 32-bit code. 2931 if (getToolChain().getArchName() == "i386") { 2932 CmdArgs.push_back("-m"); 2933 CmdArgs.push_back("elf_i386_fbsd"); 2934 } 2935 2936 if (Output.isPipe()) { 2937 CmdArgs.push_back("-o"); 2938 CmdArgs.push_back("-"); 2939 } else if (Output.isFilename()) { 2940 CmdArgs.push_back("-o"); 2941 CmdArgs.push_back(Output.getFilename()); 2942 } else { 2943 assert(Output.isNothing() && "Invalid output."); 2944 } 2945 2946 if (!Args.hasArg(options::OPT_nostdlib) && 2947 !Args.hasArg(options::OPT_nostartfiles)) { 2948 if (!Args.hasArg(options::OPT_shared)) { 2949 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2950 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2951 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2952 } else { 2953 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2954 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2955 } 2956 } 2957 2958 Args.AddAllArgs(CmdArgs, options::OPT_L); 2959 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2960 Args.AddAllArgs(CmdArgs, options::OPT_e); 2961 2962 for (InputInfoList::const_iterator 2963 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2964 const InputInfo &II = *it; 2965 2966 // Don't try to pass LLVM inputs to a generic gcc. 2967 if (II.getType() == types::TY_LLVMBC) 2968 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2969 << getToolChain().getTripleString(); 2970 2971 if (II.isPipe()) 2972 CmdArgs.push_back("-"); 2973 else if (II.isFilename()) 2974 CmdArgs.push_back(II.getFilename()); 2975 else 2976 II.getInputArg().renderAsInput(Args, CmdArgs); 2977 } 2978 2979 if (!Args.hasArg(options::OPT_nostdlib) && 2980 !Args.hasArg(options::OPT_nodefaultlibs)) { 2981 if (D.CCCIsCXX) { 2982 CmdArgs.push_back("-lstdc++"); 2983 CmdArgs.push_back("-lm"); 2984 } 2985 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding 2986 // the default system libraries. Just mimic this for now. 2987 CmdArgs.push_back("-lgcc"); 2988 if (Args.hasArg(options::OPT_static)) { 2989 CmdArgs.push_back("-lgcc_eh"); 2990 } else { 2991 CmdArgs.push_back("--as-needed"); 2992 CmdArgs.push_back("-lgcc_s"); 2993 CmdArgs.push_back("--no-as-needed"); 2994 } 2995 2996 if (Args.hasArg(options::OPT_pthread)) 2997 CmdArgs.push_back("-lpthread"); 2998 CmdArgs.push_back("-lc"); 2999 3000 CmdArgs.push_back("-lgcc"); 3001 if (Args.hasArg(options::OPT_static)) { 3002 CmdArgs.push_back("-lgcc_eh"); 3003 } else { 3004 CmdArgs.push_back("--as-needed"); 3005 CmdArgs.push_back("-lgcc_s"); 3006 CmdArgs.push_back("--no-as-needed"); 3007 } 3008 } 3009 3010 if (!Args.hasArg(options::OPT_nostdlib) && 3011 !Args.hasArg(options::OPT_nostartfiles)) { 3012 if (!Args.hasArg(options::OPT_shared)) 3013 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 3014 else 3015 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 3016 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 3017 } 3018 3019 const char *Exec = 3020 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 3021 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3022} 3023 3024/// DragonFly Tools 3025 3026// For now, DragonFly Assemble does just about the same as for 3027// FreeBSD, but this may change soon. 3028void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 3029 Job &Dest, const InputInfo &Output, 3030 const InputInfoList &Inputs, 3031 const ArgList &Args, 3032 const char *LinkingOutput) const { 3033 ArgStringList CmdArgs; 3034 3035 // When building 32-bit code on DragonFly/pc64, we have to explicitly 3036 // instruct as in the base system to assemble 32-bit code. 3037 if (getToolChain().getArchName() == "i386") 3038 CmdArgs.push_back("--32"); 3039 3040 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 3041 options::OPT_Xassembler); 3042 3043 CmdArgs.push_back("-o"); 3044 if (Output.isPipe()) 3045 CmdArgs.push_back("-"); 3046 else 3047 CmdArgs.push_back(Output.getFilename()); 3048 3049 for (InputInfoList::const_iterator 3050 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3051 const InputInfo &II = *it; 3052 if (II.isPipe()) 3053 CmdArgs.push_back("-"); 3054 else 3055 CmdArgs.push_back(II.getFilename()); 3056 } 3057 3058 const char *Exec = 3059 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 3060 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3061} 3062 3063void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, 3064 Job &Dest, const InputInfo &Output, 3065 const InputInfoList &Inputs, 3066 const ArgList &Args, 3067 const char *LinkingOutput) const { 3068 const Driver &D = getToolChain().getDriver(); 3069 ArgStringList CmdArgs; 3070 3071 if (Args.hasArg(options::OPT_static)) { 3072 CmdArgs.push_back("-Bstatic"); 3073 } else { 3074 if (Args.hasArg(options::OPT_shared)) 3075 CmdArgs.push_back("-Bshareable"); 3076 else { 3077 CmdArgs.push_back("-dynamic-linker"); 3078 CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); 3079 } 3080 } 3081 3082 // When building 32-bit code on DragonFly/pc64, we have to explicitly 3083 // instruct ld in the base system to link 32-bit code. 3084 if (getToolChain().getArchName() == "i386") { 3085 CmdArgs.push_back("-m"); 3086 CmdArgs.push_back("elf_i386"); 3087 } 3088 3089 if (Output.isPipe()) { 3090 CmdArgs.push_back("-o"); 3091 CmdArgs.push_back("-"); 3092 } else if (Output.isFilename()) { 3093 CmdArgs.push_back("-o"); 3094 CmdArgs.push_back(Output.getFilename()); 3095 } else { 3096 assert(Output.isNothing() && "Invalid output."); 3097 } 3098 3099 if (!Args.hasArg(options::OPT_nostdlib) && 3100 !Args.hasArg(options::OPT_nostartfiles)) { 3101 if (!Args.hasArg(options::OPT_shared)) { 3102 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 3103 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 3104 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 3105 } else { 3106 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 3107 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 3108 } 3109 } 3110 3111 Args.AddAllArgs(CmdArgs, options::OPT_L); 3112 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 3113 Args.AddAllArgs(CmdArgs, options::OPT_e); 3114 3115 for (InputInfoList::const_iterator 3116 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 3117 const InputInfo &II = *it; 3118 3119 // Don't try to pass LLVM inputs to a generic gcc. 3120 if (II.getType() == types::TY_LLVMBC) 3121 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 3122 << getToolChain().getTripleString(); 3123 3124 if (II.isPipe()) 3125 CmdArgs.push_back("-"); 3126 else if (II.isFilename()) 3127 CmdArgs.push_back(II.getFilename()); 3128 else 3129 II.getInputArg().renderAsInput(Args, CmdArgs); 3130 } 3131 3132 if (!Args.hasArg(options::OPT_nostdlib) && 3133 !Args.hasArg(options::OPT_nodefaultlibs)) { 3134 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of 3135 // rpaths 3136 CmdArgs.push_back("-L/usr/lib/gcc41"); 3137 3138 if (!Args.hasArg(options::OPT_static)) { 3139 CmdArgs.push_back("-rpath"); 3140 CmdArgs.push_back("/usr/lib/gcc41"); 3141 3142 CmdArgs.push_back("-rpath-link"); 3143 CmdArgs.push_back("/usr/lib/gcc41"); 3144 3145 CmdArgs.push_back("-rpath"); 3146 CmdArgs.push_back("/usr/lib"); 3147 3148 CmdArgs.push_back("-rpath-link"); 3149 CmdArgs.push_back("/usr/lib"); 3150 } 3151 3152 if (Args.hasArg(options::OPT_shared)) { 3153 CmdArgs.push_back("-lgcc_pic"); 3154 } else { 3155 CmdArgs.push_back("-lgcc"); 3156 } 3157 3158 3159 if (Args.hasArg(options::OPT_pthread)) 3160 CmdArgs.push_back("-lpthread"); 3161 3162 if (!Args.hasArg(options::OPT_nolibc)) { 3163 CmdArgs.push_back("-lc"); 3164 } 3165 3166 if (Args.hasArg(options::OPT_shared)) { 3167 CmdArgs.push_back("-lgcc_pic"); 3168 } else { 3169 CmdArgs.push_back("-lgcc"); 3170 } 3171 } 3172 3173 if (!Args.hasArg(options::OPT_nostdlib) && 3174 !Args.hasArg(options::OPT_nostartfiles)) { 3175 if (!Args.hasArg(options::OPT_shared)) 3176 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 3177 else 3178 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 3179 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 3180 } 3181 3182 const char *Exec = 3183 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 3184 Dest.addCommand(new Command(JA, *this, Exec, CmdArgs)); 3185} 3186