Tools.cpp revision 6cd4154b9088fa18ae05d11c0f3140fafd76c734
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" // FIXME: Remove? 16#include "clang/Driver/DriverDiagnostic.h" // FIXME: Remove? 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/ToolChain.h" 22#include "clang/Driver/Util.h" 23 24#include "llvm/ADT/SmallString.h" 25#include "llvm/ADT/Twine.h" 26#include "llvm/Support/Format.h" 27#include "llvm/Support/raw_ostream.h" 28 29#include "InputInfo.h" 30#include "ToolChains.h" 31 32using namespace clang::driver; 33using namespace clang::driver::tools; 34 35static const char *MakeFormattedString(const ArgList &Args, 36 const llvm::format_object_base &Fmt) { 37 llvm::SmallString<256> Str; 38 llvm::raw_svector_ostream(Str) << Fmt; 39 return Args.MakeArgString(Str.str()); 40} 41 42/// CheckPreprocessingOptions - Perform some validation of preprocessing 43/// arguments that is shared with gcc. 44static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) { 45 if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC)) 46 if (!Args.hasArg(options::OPT_E)) 47 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 48 << A->getAsString(Args) << "-E"; 49} 50 51/// CheckCodeGenerationOptions - Perform some validation of code generation 52/// arguments that is shared with gcc. 53static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { 54 // In gcc, only ARM checks this, but it seems reasonable to check universally. 55 if (Args.hasArg(options::OPT_static)) 56 if (const Arg *A = Args.getLastArg(options::OPT_dynamic, 57 options::OPT_mdynamic_no_pic)) 58 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 59 << A->getAsString(Args) << "-static"; 60} 61 62void Clang::AddPreprocessingOptions(const Driver &D, 63 const ArgList &Args, 64 ArgStringList &CmdArgs, 65 const InputInfo &Output, 66 const InputInfoList &Inputs) const { 67 Arg *A; 68 69 CheckPreprocessingOptions(D, Args); 70 71 Args.AddLastArg(CmdArgs, options::OPT_C); 72 Args.AddLastArg(CmdArgs, options::OPT_CC); 73 74 // Handle dependency file generation. 75 if ((A = Args.getLastArg(options::OPT_M)) || 76 (A = Args.getLastArg(options::OPT_MM)) || 77 (A = Args.getLastArg(options::OPT_MD)) || 78 (A = Args.getLastArg(options::OPT_MMD))) { 79 // Determine the output location. 80 const char *DepFile; 81 if (Output.getType() == types::TY_Dependencies) { 82 if (Output.isPipe()) 83 DepFile = "-"; 84 else 85 DepFile = Output.getFilename(); 86 } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) { 87 DepFile = MF->getValue(Args); 88 } else if (A->getOption().getId() == options::OPT_M || 89 A->getOption().getId() == options::OPT_MM) { 90 DepFile = "-"; 91 } else { 92 DepFile = darwin::CC1::getDependencyFileName(Args, Inputs); 93 } 94 CmdArgs.push_back("-dependency-file"); 95 CmdArgs.push_back(DepFile); 96 97 // Add an -MT option if the user didn't specify their own. 98 // 99 // FIXME: This should use -MQ, when we support it. 100 if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) { 101 const char *DepTarget; 102 103 // If user provided -o, that is the dependency target, except 104 // when we are only generating a dependency file. 105 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 106 if (OutputOpt && Output.getType() != types::TY_Dependencies) { 107 DepTarget = OutputOpt->getValue(Args); 108 } else { 109 // Otherwise derive from the base input. 110 // 111 // FIXME: This should use the computed output file location. 112 llvm::sys::Path P(Inputs[0].getBaseInput()); 113 114 P.eraseSuffix(); 115 P.appendSuffix("o"); 116 DepTarget = Args.MakeArgString(P.getLast()); 117 } 118 119 CmdArgs.push_back("-MT"); 120 CmdArgs.push_back(DepTarget); 121 } 122 123 if (A->getOption().getId() == options::OPT_M || 124 A->getOption().getId() == options::OPT_MD) 125 CmdArgs.push_back("-sys-header-deps"); 126 } 127 128 Args.AddLastArg(CmdArgs, options::OPT_MP); 129 Args.AddAllArgs(CmdArgs, options::OPT_MT); 130 131 // Add -i* options, and automatically translate to 132 // -include-pch/-include-pth for transparent PCH support. It's 133 // wonky, but we include looking for .gch so we can support seamless 134 // replacement into a build system already set up to be generating 135 // .gch files. 136 // 137 // FIXME: Use iterator. 138 for (ArgList::const_iterator 139 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 140 const Arg *A = *it; 141 if (!A->getOption().matches(options::OPT_clang_i_Group)) 142 continue; 143 144 if (A->getOption().matches(options::OPT_include)) { 145 bool FoundPTH = false; 146 bool FoundPCH = false; 147 llvm::sys::Path P(A->getValue(Args)); 148 if (D.CCCUsePCH) { 149 P.appendSuffix("pch"); 150 if (P.exists()) 151 FoundPCH = true; 152 else 153 P.eraseSuffix(); 154 } 155 156 if (!FoundPCH) { 157 P.appendSuffix("pth"); 158 if (P.exists()) 159 FoundPTH = true; 160 else 161 P.eraseSuffix(); 162 } 163 164 if (!FoundPCH && !FoundPTH) { 165 P.appendSuffix("gch"); 166 if (P.exists()) { 167 FoundPCH = D.CCCUsePCH; 168 FoundPTH = !D.CCCUsePCH; 169 } 170 else 171 P.eraseSuffix(); 172 } 173 174 if (FoundPCH || FoundPTH) { 175 A->claim(); 176 if (D.CCCUsePCH) 177 CmdArgs.push_back("-include-pch"); 178 else 179 CmdArgs.push_back("-include-pth"); 180 CmdArgs.push_back(Args.MakeArgString(P.str())); 181 continue; 182 } 183 } 184 185 // Not translated, render as usual. 186 A->claim(); 187 A->render(Args, CmdArgs); 188 } 189 190 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U); 191 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 192 193 // Add -Wp, and -Xassembler if using the preprocessor. 194 195 // FIXME: There is a very unfortunate problem here, some troubled 196 // souls abuse -Wp, to pass preprocessor options in gcc syntax. To 197 // really support that we would have to parse and then translate 198 // those options. :( 199 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 200 options::OPT_Xpreprocessor); 201} 202 203/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting. 204// 205// FIXME: tblgen this. 206static llvm::StringRef getARMTargetCPU(const ArgList &Args) { 207 // FIXME: Warn on inconsistent use of -mcpu and -march. 208 209 // If we have -mcpu=, use that. 210 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) 211 return A->getValue(Args); 212 213 // Otherwise, if we have -march= choose the base CPU for that arch. 214 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 215 llvm::StringRef MArch = A->getValue(Args); 216 217 if (MArch == "armv2" || MArch == "armv2a") 218 return "arm2"; 219 if (MArch == "armv3") 220 return "arm6"; 221 if (MArch == "armv3m") 222 return "arm7m"; 223 if (MArch == "armv4" || MArch == "armv4t") 224 return "arm7tdmi"; 225 if (MArch == "armv5" || MArch == "armv5t") 226 return "arm10tdmi"; 227 if (MArch == "armv5e" || MArch == "armv5te") 228 return "arm1026ejs"; 229 if (MArch == "armv5tej") 230 return "arm926ejs"; 231 if (MArch == "armv6" || MArch == "armv6k") 232 return "arm1136jf-s"; 233 if (MArch == "armv6j") 234 return "arm1136j-s"; 235 if (MArch == "armv6z" || MArch == "armv6zk") 236 return "arm1176jzf-s"; 237 if (MArch == "armv6t2") 238 return "arm1156t2-s"; 239 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") 240 return "cortex-a8"; 241 if (MArch == "armv7r" || MArch == "armv7-r") 242 return "cortex-r4"; 243 if (MArch == "armv7m" || MArch == "armv7-m") 244 return "cortex-m3"; 245 if (MArch == "ep9312") 246 return "ep9312"; 247 if (MArch == "iwmmxt") 248 return "iwmmxt"; 249 if (MArch == "xscale") 250 return "xscale"; 251 } 252 253 // Otherwise return the most base CPU LLVM supports. 254 return "arm7tdmi"; 255} 256 257/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular 258/// CPU. 259// 260// FIXME: This is redundant with -mcpu, why does LLVM use this. 261// FIXME: tblgen this, or kill it! 262static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) { 263 if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || 264 CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || 265 CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || 266 CPU == "arm940t" || CPU == "ep9312") 267 return "v4t"; 268 269 if (CPU == "arm10tdmi" || CPU == "arm1020t") 270 return "v5"; 271 272 if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || 273 CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || 274 CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || 275 CPU == "iwmmxt") 276 return "v5e"; 277 278 if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || 279 CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") 280 return "v6"; 281 282 if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") 283 return "v6t2"; 284 285 if (CPU == "cortex-a8" || CPU == "cortex-a9") 286 return "v7"; 287 288 return ""; 289} 290 291/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which 292/// may depend on command line arguments. 293static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) { 294 switch (TC.getTriple().getArch()) { 295 default: 296 return TC.getTripleString(); 297 298 case llvm::Triple::arm: 299 case llvm::Triple::thumb: { 300 // FIXME: Factor into subclasses. 301 llvm::Triple Triple = TC.getTriple(); 302 303 // Thumb2 is the default for V7 on Darwin. 304 // 305 // FIXME: Thumb should just be another -target-feaure, not in the triple. 306 llvm::StringRef Suffix = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 307 bool ThumbDefault = 308 (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin); 309 std::string ArchName = "arm"; 310 if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) 311 ArchName = "thumb"; 312 Triple.setArchName(ArchName + Suffix.str()); 313 314 return Triple.getTriple(); 315 } 316 } 317} 318 319void Clang::AddARMTargetArgs(const ArgList &Args, 320 ArgStringList &CmdArgs) const { 321 const Driver &D = getToolChain().getHost().getDriver(); 322 323 // Select the ABI to use. 324 // 325 // FIXME: Support -meabi. 326 const char *ABIName = 0; 327 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 328 ABIName = A->getValue(Args); 329 } else { 330 // Select the default based on the platform. 331 switch (getToolChain().getTriple().getOS()) { 332 // FIXME: Is this right for non-Darwin and non-Linux? 333 default: 334 ABIName = "aapcs"; 335 break; 336 337 case llvm::Triple::Darwin: 338 ABIName = "apcs-gnu"; 339 break; 340 341 case llvm::Triple::Linux: 342 ABIName = "aapcs-linux"; 343 break; 344 } 345 } 346 CmdArgs.push_back("-target-abi"); 347 CmdArgs.push_back(ABIName); 348 349 // Set the CPU based on -march= and -mcpu=. 350 CmdArgs.push_back(Args.MakeArgString("-mcpu=" + getARMTargetCPU(Args))); 351 352 // Select the float ABI as determined by -msoft-float, -mhard-float, and 353 // -mfloat-abi=. 354 llvm::StringRef FloatABI; 355 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, 356 options::OPT_mhard_float, 357 options::OPT_mfloat_abi_EQ)) { 358 if (A->getOption().matches(options::OPT_msoft_float)) 359 FloatABI = "soft"; 360 else if (A->getOption().matches(options::OPT_mhard_float)) 361 FloatABI = "hard"; 362 else { 363 FloatABI = A->getValue(Args); 364 if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") { 365 D.Diag(clang::diag::err_drv_invalid_mfloat_abi) 366 << A->getAsString(Args); 367 FloatABI = "soft"; 368 } 369 } 370 } 371 372 // If unspecified, choose the default based on the platform. 373 if (FloatABI.empty()) { 374 // FIXME: This is wrong for non-Darwin, we don't have a mechanism yet for 375 // distinguishing things like linux-eabi vs linux-elf. 376 switch (getToolChain().getTriple().getOS()) { 377 case llvm::Triple::Darwin: { 378 // Darwin defaults to "softfp" for v6 and v7. 379 // 380 // FIXME: Factor out an ARM class so we can cache the arch somewhere. 381 llvm::StringRef ArchName = getLLVMArchSuffixForARM(getARMTargetCPU(Args)); 382 if (ArchName.startswith("v6") || ArchName.startswith("v7")) 383 FloatABI = "softfp"; 384 else 385 FloatABI = "soft"; 386 break; 387 } 388 389 default: 390 // Assume "soft", but warn the user we are guessing. 391 FloatABI = "soft"; 392 D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft"; 393 break; 394 } 395 } 396 397 if (FloatABI == "soft") { 398 // Floating point operations and argument passing are soft. 399 // 400 // FIXME: This changes CPP defines, we need -target-soft-float. 401 CmdArgs.push_back("-soft-float"); 402 CmdArgs.push_back("-float-abi=soft"); 403 } else if (FloatABI == "softfp") { 404 // Floating point operations are hard, but argument passing is soft. 405 CmdArgs.push_back("-float-abi=soft"); 406 } else { 407 // Floating point operations and argument passing are hard. 408 assert(FloatABI == "hard" && "Invalid float abi!"); 409 CmdArgs.push_back("-float-abi=hard"); 410 } 411} 412 413void Clang::AddX86TargetArgs(const ArgList &Args, 414 ArgStringList &CmdArgs) const { 415 // FIXME: This needs to change to use a clang-cc option, and set the attribute 416 // on functions. 417 if (!Args.hasFlag(options::OPT_mred_zone, 418 options::OPT_mno_red_zone, 419 true) || 420 Args.hasArg(options::OPT_mkernel) || 421 Args.hasArg(options::OPT_fapple_kext)) 422 CmdArgs.push_back("--disable-red-zone"); 423 424 // FIXME: This needs to change to use a clang-cc option, and set the attribute 425 // on functions. 426 if (Args.hasFlag(options::OPT_msoft_float, 427 options::OPT_mno_soft_float, 428 false)) 429 CmdArgs.push_back("--no-implicit-float"); 430 431 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 432 // FIXME: We may need some translation here from the options gcc takes to 433 // names the LLVM backend understand? 434 CmdArgs.push_back("-mcpu"); 435 CmdArgs.push_back(A->getValue(Args)); 436 } else { 437 // Select default CPU. 438 439 // FIXME: Need target hooks. 440 if (memcmp(getToolChain().getOS().c_str(), "darwin", 6) == 0) { 441 if (getToolChain().getArchName() == "x86_64") 442 CmdArgs.push_back("--mcpu=core2"); 443 else if (getToolChain().getArchName() == "i386") 444 CmdArgs.push_back("--mcpu=yonah"); 445 } else { 446 if (getToolChain().getArchName() == "x86_64") 447 CmdArgs.push_back("--mcpu=x86-64"); 448 else if (getToolChain().getArchName() == "i386") 449 CmdArgs.push_back("--mcpu=pentium4"); 450 } 451 } 452 453 // FIXME: Use iterator. 454 for (ArgList::const_iterator 455 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 456 const Arg *A = *it; 457 if (A->getOption().matches(options::OPT_m_x86_Features_Group)) { 458 llvm::StringRef Name = A->getOption().getName(); 459 460 // Skip over "-m". 461 assert(Name.startswith("-m") && "Invalid feature name."); 462 Name = Name.substr(2); 463 464 bool IsNegative = Name.startswith("no-"); 465 if (IsNegative) 466 Name = Name.substr(3); 467 468 A->claim(); 469 CmdArgs.push_back("-target-feature"); 470 CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); 471 } 472 } 473} 474 475void Clang::ConstructJob(Compilation &C, const JobAction &JA, 476 Job &Dest, 477 const InputInfo &Output, 478 const InputInfoList &Inputs, 479 const ArgList &Args, 480 const char *LinkingOutput) const { 481 const Driver &D = getToolChain().getHost().getDriver(); 482 ArgStringList CmdArgs; 483 484 assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); 485 486 CmdArgs.push_back("-triple"); 487 488 const char *TripleStr = 489 Args.MakeArgString(getLLVMTriple(getToolChain(), Args)); 490 CmdArgs.push_back(TripleStr); 491 492 if (isa<AnalyzeJobAction>(JA)) { 493 assert(JA.getType() == types::TY_Plist && "Invalid output type."); 494 CmdArgs.push_back("-analyze"); 495 } else if (isa<PreprocessJobAction>(JA)) { 496 if (Output.getType() == types::TY_Dependencies) 497 CmdArgs.push_back("-Eonly"); 498 else 499 CmdArgs.push_back("-E"); 500 } else if (isa<PrecompileJobAction>(JA)) { 501 if (D.CCCUsePCH) 502 CmdArgs.push_back("-emit-pch"); 503 else 504 CmdArgs.push_back("-emit-pth"); 505 } else { 506 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool."); 507 508 if (JA.getType() == types::TY_Nothing) { 509 CmdArgs.push_back("-fsyntax-only"); 510 } else if (JA.getType() == types::TY_LLVMAsm) { 511 CmdArgs.push_back("-emit-llvm"); 512 } else if (JA.getType() == types::TY_LLVMBC) { 513 CmdArgs.push_back("-emit-llvm-bc"); 514 } else if (JA.getType() == types::TY_PP_Asm) { 515 CmdArgs.push_back("-S"); 516 } else if (JA.getType() == types::TY_AST) { 517 CmdArgs.push_back("-emit-pch"); 518 } 519 } 520 521 // The make clang go fast button. 522 CmdArgs.push_back("-disable-free"); 523 524 // Set the main file name, so that debug info works even with 525 // -save-temps. 526 CmdArgs.push_back("-main-file-name"); 527 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 528 529 // Some flags which affect the language (via preprocessor 530 // defines). See darwin::CC1::AddCPPArgs. 531 if (Args.hasArg(options::OPT_static)) 532 CmdArgs.push_back("-static-define"); 533 534 if (isa<AnalyzeJobAction>(JA)) { 535 // Add default argument set. 536 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { 537 CmdArgs.push_back("-warn-dead-stores"); 538 CmdArgs.push_back("-warn-security-syntactic"); 539 CmdArgs.push_back("-checker-cfref"); 540 CmdArgs.push_back("-analyzer-eagerly-assume"); 541 CmdArgs.push_back("-warn-objc-methodsigs"); 542 // Do not enable the missing -dealloc check. 543 // '-warn-objc-missing-dealloc', 544 CmdArgs.push_back("-warn-objc-unused-ivars"); 545 } 546 547 // Set the output format. The default is plist, for (lame) historical 548 // reasons. 549 CmdArgs.push_back("-analyzer-output"); 550 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 551 CmdArgs.push_back(A->getValue(Args)); 552 else 553 CmdArgs.push_back("plist"); 554 555 // Add -Xanalyzer arguments when running as analyzer. 556 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 557 } 558 559 CheckCodeGenerationOptions(D, Args); 560 561 // Perform argument translation for LLVM backend. This 562 // takes some care in reconciling with llvm-gcc. The 563 // issue is that llvm-gcc translates these options based on 564 // the values in cc1, whereas we are processing based on 565 // the driver arguments. 566 // 567 // FIXME: This is currently broken for -f flags when -fno 568 // variants are present. 569 570 // This comes from the default translation the driver + cc1 571 // would do to enable flag_pic. 572 // 573 // FIXME: Centralize this code. 574 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) || 575 Args.hasArg(options::OPT_fpic) || 576 Args.hasArg(options::OPT_fPIE) || 577 Args.hasArg(options::OPT_fpie)); 578 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) || 579 Args.hasArg(options::OPT_static)); 580 const char *Model = getToolChain().GetForcedPicModel(); 581 if (!Model) { 582 if (Args.hasArg(options::OPT_mdynamic_no_pic)) 583 Model = "dynamic-no-pic"; 584 else if (PICDisabled) 585 Model = "static"; 586 else if (PICEnabled) 587 Model = "pic"; 588 else 589 Model = getToolChain().GetDefaultRelocationModel(); 590 } 591 CmdArgs.push_back("--relocation-model"); 592 CmdArgs.push_back(Model); 593 594 // Infer the __PIC__ value. 595 // 596 // FIXME: This isn't quite right on Darwin, which always sets 597 // __PIC__=2. 598 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) { 599 if (Args.hasArg(options::OPT_fPIC)) 600 CmdArgs.push_back("-pic-level=2"); 601 else 602 CmdArgs.push_back("-pic-level=1"); 603 } 604 605 if (Args.hasArg(options::OPT_ftime_report)) 606 CmdArgs.push_back("--time-passes"); 607 // FIXME: Set --enable-unsafe-fp-math. 608 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer, 609 options::OPT_fomit_frame_pointer)) 610 CmdArgs.push_back("--disable-fp-elim"); 611 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 612 options::OPT_fno_zero_initialized_in_bss, 613 true)) 614 CmdArgs.push_back("--nozero-initialized-in-bss"); 615 if (Args.hasArg(options::OPT_dA) || Args.hasArg(options::OPT_fverbose_asm)) 616 CmdArgs.push_back("--asm-verbose"); 617 if (Args.hasArg(options::OPT_fdebug_pass_structure)) 618 CmdArgs.push_back("--debug-pass=Structure"); 619 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) 620 CmdArgs.push_back("--debug-pass=Arguments"); 621 // FIXME: set --inline-threshhold=50 if (optimize_size || optimize 622 // < 3) 623 624 // This is a coarse approximation of what llvm-gcc actually does, both 625 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 626 // complicated ways. 627 bool AsynchronousUnwindTables = 628 Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 629 options::OPT_fno_asynchronous_unwind_tables, 630 getToolChain().IsUnwindTablesDefault() && 631 !Args.hasArg(options::OPT_mkernel)); 632 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, 633 AsynchronousUnwindTables)) 634 CmdArgs.push_back("--unwind-tables=1"); 635 else 636 CmdArgs.push_back("--unwind-tables=0"); 637 638 // FIXME: Handle -mtune=. 639 (void) Args.hasArg(options::OPT_mtune_EQ); 640 641 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 642 CmdArgs.push_back("-code-model"); 643 CmdArgs.push_back(A->getValue(Args)); 644 } 645 646 // Add target specific cpu and features flags. 647 switch(getToolChain().getTriple().getArch()) { 648 default: 649 break; 650 651 case llvm::Triple::arm: 652 case llvm::Triple::thumb: 653 AddARMTargetArgs(Args, CmdArgs); 654 break; 655 656 case llvm::Triple::x86: 657 case llvm::Triple::x86_64: 658 AddX86TargetArgs(Args, CmdArgs); 659 break; 660 } 661 662 if (Args.hasFlag(options::OPT_fmath_errno, 663 options::OPT_fno_math_errno, 664 getToolChain().IsMathErrnoDefault())) 665 CmdArgs.push_back("--fmath-errno=1"); 666 else 667 CmdArgs.push_back("--fmath-errno=0"); 668 669 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 670 CmdArgs.push_back("--limit-float-precision"); 671 CmdArgs.push_back(A->getValue(Args)); 672 } 673 674 // FIXME: Add --stack-protector-buffer-size=<xxx> on 675 // -fstack-protect. 676 677 Arg *Unsupported; 678 if ((Unsupported = Args.getLastArg(options::OPT_MG)) || 679 (Unsupported = Args.getLastArg(options::OPT_MQ)) || 680 (Unsupported = Args.getLastArg(options::OPT_iframework))) 681 D.Diag(clang::diag::err_drv_clang_unsupported) 682 << Unsupported->getOption().getName(); 683 684 Args.AddAllArgs(CmdArgs, options::OPT_v); 685 Args.AddLastArg(CmdArgs, options::OPT_P); 686 Args.AddLastArg(CmdArgs, options::OPT_mmacosx_version_min_EQ); 687 Args.AddLastArg(CmdArgs, options::OPT_miphoneos_version_min_EQ); 688 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 689 690 // Special case debug options to only pass -g to clang. This is 691 // wrong. 692 if (Args.hasArg(options::OPT_g_Group)) 693 CmdArgs.push_back("-g"); 694 695 Args.AddLastArg(CmdArgs, options::OPT_nostdinc); 696 697 Args.AddLastArg(CmdArgs, options::OPT_isysroot); 698 699 // Add preprocessing options like -I, -D, etc. if we are using the 700 // preprocessor. 701 // 702 // FIXME: Support -fpreprocessed 703 types::ID InputType = Inputs[0].getType(); 704 if (types::getPreprocessedType(InputType) != types::TY_INVALID) 705 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs); 706 707 // Manually translate -O to -O2 and -O4 to -O3; let clang reject 708 // others. 709 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 710 if (A->getOption().getId() == options::OPT_O4) 711 CmdArgs.push_back("-O3"); 712 else if (A->getValue(Args)[0] == '\0') 713 CmdArgs.push_back("-O2"); 714 else 715 A->render(Args, CmdArgs); 716 } 717 718 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 719 Args.AddLastArg(CmdArgs, options::OPT_w); 720 721 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 722 // (-ansi is equivalent to -std=c89). 723 // 724 // If a std is supplied, only add -trigraphs if it follows the 725 // option. 726 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 727 if (Std->getOption().matches(options::OPT_ansi)) 728 CmdArgs.push_back("-std=c89"); 729 else 730 Std->render(Args, CmdArgs); 731 732 if (Arg *A = Args.getLastArg(options::OPT_trigraphs)) 733 if (A->getIndex() > Std->getIndex()) 734 A->render(Args, CmdArgs); 735 } else { 736 // Honor -std-default. 737 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 738 "-std=", /*Joined=*/true); 739 Args.AddLastArg(CmdArgs, options::OPT_trigraphs); 740 } 741 742 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) { 743 CmdArgs.push_back("-ftemplate-depth"); 744 CmdArgs.push_back(A->getValue(Args)); 745 } 746 747 if (Args.hasArg(options::OPT__relocatable_pch, true)) 748 CmdArgs.push_back("--relocatable-pch"); 749 750 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 751 CmdArgs.push_back("-fconstant-string-class"); 752 CmdArgs.push_back(A->getValue(Args)); 753 } 754 755 // Forward -f options which we can pass directly. 756 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 757 Args.AddLastArg(CmdArgs, options::OPT_ffreestanding); 758 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 759 Args.AddLastArg(CmdArgs, options::OPT_fgnu_runtime); 760 Args.AddLastArg(CmdArgs, options::OPT_flax_vector_conversions); 761 Args.AddLastArg(CmdArgs, options::OPT_fmessage_length_EQ); 762 Args.AddLastArg(CmdArgs, options::OPT_fms_extensions); 763 Args.AddLastArg(CmdArgs, options::OPT_fnext_runtime); 764 Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics); 765 Args.AddLastArg(CmdArgs, options::OPT_fno_show_column); 766 Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc_only); 767 Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc); 768 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 769 // FIXME: Should we remove this? 770 Args.AddLastArg(CmdArgs, options::OPT_fobjc_nonfragile_abi); 771 Args.AddLastArg(CmdArgs, options::OPT_fobjc_tight_layout); 772 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 773 Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 774 Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 775 Args.AddLastArg(CmdArgs, options::OPT_fvisibility_EQ); 776 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 777 778 Args.AddLastArg(CmdArgs, options::OPT_pthread); 779 780 // Forward stack protector flags. 781 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 782 options::OPT_fstack_protector_all, 783 options::OPT_fstack_protector)) { 784 if (A->getOption().matches(options::OPT_fno_stack_protector)) 785 CmdArgs.push_back("--stack-protector=0"); 786 else if (A->getOption().matches(options::OPT_fstack_protector)) 787 CmdArgs.push_back("--stack-protector=1"); 788 else 789 CmdArgs.push_back("--stack-protector=2"); 790 } 791 792 // Forward -f options with positive and negative forms; we translate 793 // these by hand. 794 795 // -fbuiltin is default, only pass non-default. 796 if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) 797 CmdArgs.push_back("-fbuiltin=0"); 798 799 // -fblocks default varies depending on platform and language; only 800 // pass if specified. 801 if (Arg *A = Args.getLastArg(options::OPT_fblocks, options::OPT_fno_blocks)) { 802 if (A->getOption().matches(options::OPT_fblocks)) 803 CmdArgs.push_back("-fblocks"); 804 else 805 CmdArgs.push_back("-fblocks=0"); 806 } 807 808 // -fexceptions default varies depending on platform and language; only 809 // pass if specified. 810 if (Arg *A = Args.getLastArg(options::OPT_fexceptions, 811 options::OPT_fno_exceptions)) { 812 if (A->getOption().matches(options::OPT_fexceptions)) 813 CmdArgs.push_back("-fexceptions"); 814 else 815 CmdArgs.push_back("-fexceptions=0"); 816 } 817 818 // -frtti is default, only pass non-default. 819 if (!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti)) 820 CmdArgs.push_back("-frtti=0"); 821 822 // -fsigned-char/-funsigned-char default varies depending on platform; only 823 // pass if specified. 824 if (Arg *A = Args.getLastArg(options::OPT_fsigned_char, 825 options::OPT_funsigned_char)) { 826 if (A->getOption().matches(options::OPT_fsigned_char)) 827 CmdArgs.push_back("-fsigned-char"); 828 else 829 CmdArgs.push_back("-fsigned-char=0"); 830 } 831 832 // -fno-pascal-strings is default, only pass non-default. If the 833 // -tool chain happened to translate to -mpascal-strings, we want to 834 // -back translate here. 835 // 836 // FIXME: This is gross; that translation should be pulled from the 837 // tool chain. 838 if (Args.hasFlag(options::OPT_fpascal_strings, 839 options::OPT_fno_pascal_strings, 840 false) || 841 Args.hasFlag(options::OPT_mpascal_strings, 842 options::OPT_mno_pascal_strings, 843 false)) 844 CmdArgs.push_back("-fpascal-strings"); 845 846 // -fcommon is default, only pass non-default. 847 if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) 848 CmdArgs.push_back("-fno-common"); 849 850 // -fsigned-bitfields is default, and clang doesn't yet support 851 // --funsigned-bitfields. 852 if (!Args.hasFlag(options::OPT_fsigned_bitfields, 853 options::OPT_funsigned_bitfields)) 854 D.Diag(clang::diag::warn_drv_clang_unsupported) 855 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 856 857 // -fdiagnostics-fixit-info is default, only pass non-default. 858 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 859 options::OPT_fno_diagnostics_fixit_info)) 860 CmdArgs.push_back("-fno-diagnostics-fixit-info"); 861 862 // Enable -fdiagnostics-show-option by default. 863 if (Args.hasFlag(options::OPT_fdiagnostics_show_option, 864 options::OPT_fno_diagnostics_show_option)) 865 CmdArgs.push_back("-fdiagnostics-show-option"); 866 if (!Args.hasFlag(options::OPT_fcolor_diagnostics, 867 options::OPT_fno_color_diagnostics)) 868 CmdArgs.push_back("-fno-color-diagnostics"); 869 if (!Args.hasFlag(options::OPT_fshow_source_location, 870 options::OPT_fno_show_source_location)) 871 CmdArgs.push_back("-fno-show-source-location"); 872 873 // -fdollars-in-identifiers default varies depending on platform and 874 // language; only pass if specified. 875 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 876 options::OPT_fno_dollars_in_identifiers)) { 877 if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 878 CmdArgs.push_back("-fdollars-in-identifiers=1"); 879 else 880 CmdArgs.push_back("-fdollars-in-identifiers=0"); 881 } 882 883 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 884 // practical purposes. 885 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 886 options::OPT_fno_unit_at_a_time)) { 887 if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 888 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 889 } 890 891 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. 892 // 893 // FIXME: This is disabled until clang-cc supports -fno-builtin-foo. PR4941. 894#if 0 895 if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin && 896 (getToolChain().getTriple().getArch() == llvm::Triple::arm || 897 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) { 898 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 899 CmdArgs.push_back("-fno-builtin-strcat"); 900 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 901 CmdArgs.push_back("-fno-builtin-strcpy"); 902 } 903#endif 904 905 if (Arg *A = Args.getLastArg(options::OPT_traditional, 906 options::OPT_traditional_cpp)) 907 D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); 908 909 Args.AddLastArg(CmdArgs, options::OPT_dM); 910 Args.AddLastArg(CmdArgs, options::OPT_dD); 911 912 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 913 Args.AddAllArgValues(CmdArgs, options::OPT_mllvm); 914 915 if (Output.getType() == types::TY_Dependencies) { 916 // Handled with other dependency code. 917 } else if (Output.isPipe()) { 918 CmdArgs.push_back("-o"); 919 CmdArgs.push_back("-"); 920 } else if (Output.isFilename()) { 921 CmdArgs.push_back("-o"); 922 CmdArgs.push_back(Output.getFilename()); 923 } else { 924 assert(Output.isNothing() && "Invalid output."); 925 } 926 927 for (InputInfoList::const_iterator 928 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 929 const InputInfo &II = *it; 930 CmdArgs.push_back("-x"); 931 CmdArgs.push_back(types::getTypeName(II.getType())); 932 if (II.isPipe()) 933 CmdArgs.push_back("-"); 934 else if (II.isFilename()) 935 CmdArgs.push_back(II.getFilename()); 936 else 937 II.getInputArg().renderAsInput(Args, CmdArgs); 938 } 939 940 const char *Exec = 941 Args.MakeArgString(getToolChain().GetProgramPath(C, "clang-cc")); 942 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 943 944 // Explicitly warn that these options are unsupported, even though 945 // we are allowing compilation to continue. 946 // FIXME: Use iterator. 947 for (ArgList::const_iterator 948 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 949 const Arg *A = *it; 950 if (A->getOption().matches(options::OPT_pg)) { 951 A->claim(); 952 D.Diag(clang::diag::warn_drv_clang_unsupported) 953 << A->getAsString(Args); 954 } 955 } 956 957 // Claim some arguments which clang supports automatically. 958 959 // -fpch-preprocess is used with gcc to add a special marker in the 960 // -output to include the PCH file. Clang's PTH solution is 961 // -completely transparent, so we do not need to deal with it at 962 // -all. 963 Args.ClaimAllArgs(options::OPT_fpch_preprocess); 964 965 // Claim some arguments which clang doesn't support, but we don't 966 // care to warn the user about. 967 968 // FIXME: Use iterator. 969 for (ArgList::const_iterator 970 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 971 const Arg *A = *it; 972 if (A->getOption().matches(options::OPT_clang_ignored_f_Group) || 973 A->getOption().matches(options::OPT_clang_ignored_m_Group)) 974 A->claim(); 975 } 976} 977 978void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, 979 Job &Dest, 980 const InputInfo &Output, 981 const InputInfoList &Inputs, 982 const ArgList &Args, 983 const char *LinkingOutput) const { 984 const Driver &D = getToolChain().getHost().getDriver(); 985 ArgStringList CmdArgs; 986 987 for (ArgList::const_iterator 988 it = Args.begin(), ie = Args.end(); it != ie; ++it) { 989 Arg *A = *it; 990 if (A->getOption().hasForwardToGCC()) { 991 // It is unfortunate that we have to claim here, as this means 992 // we will basically never report anything interesting for 993 // platforms using a generic gcc, even if we are just using gcc 994 // to get to the assembler. 995 A->claim(); 996 A->render(Args, CmdArgs); 997 } 998 } 999 1000 RenderExtraToolArgs(CmdArgs); 1001 1002 // If using a driver driver, force the arch. 1003 const std::string &Arch = getToolChain().getArchName(); 1004 if (getToolChain().getHost().useDriverDriver()) { 1005 CmdArgs.push_back("-arch"); 1006 1007 // FIXME: Remove these special cases. 1008 if (Arch == "powerpc") 1009 CmdArgs.push_back("ppc"); 1010 else if (Arch == "powerpc64") 1011 CmdArgs.push_back("ppc64"); 1012 else 1013 CmdArgs.push_back(Args.MakeArgString(Arch)); 1014 } 1015 1016 // Try to force gcc to match the tool chain we want, if we recognize 1017 // the arch. 1018 // 1019 // FIXME: The triple class should directly provide the information we want 1020 // here. 1021 if (Arch == "i386" || Arch == "powerpc") 1022 CmdArgs.push_back("-m32"); 1023 else if (Arch == "x86_64" || Arch == "powerpc64") 1024 CmdArgs.push_back("-m64"); 1025 1026 if (Output.isPipe()) { 1027 CmdArgs.push_back("-o"); 1028 CmdArgs.push_back("-"); 1029 } else if (Output.isFilename()) { 1030 CmdArgs.push_back("-o"); 1031 CmdArgs.push_back(Output.getFilename()); 1032 } else { 1033 assert(Output.isNothing() && "Unexpected output"); 1034 CmdArgs.push_back("-fsyntax-only"); 1035 } 1036 1037 1038 // Only pass -x if gcc will understand it; otherwise hope gcc 1039 // understands the suffix correctly. The main use case this would go 1040 // wrong in is for linker inputs if they happened to have an odd 1041 // suffix; really the only way to get this to happen is a command 1042 // like '-x foobar a.c' which will treat a.c like a linker input. 1043 // 1044 // FIXME: For the linker case specifically, can we safely convert 1045 // inputs into '-Wl,' options? 1046 for (InputInfoList::const_iterator 1047 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1048 const InputInfo &II = *it; 1049 1050 // Don't try to pass LLVM or AST inputs to a generic gcc. 1051 if (II.getType() == types::TY_LLVMBC) 1052 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 1053 << getToolChain().getTripleString(); 1054 else if (II.getType() == types::TY_AST) 1055 D.Diag(clang::diag::err_drv_no_ast_support) 1056 << getToolChain().getTripleString(); 1057 1058 if (types::canTypeBeUserSpecified(II.getType())) { 1059 CmdArgs.push_back("-x"); 1060 CmdArgs.push_back(types::getTypeName(II.getType())); 1061 } 1062 1063 if (II.isPipe()) 1064 CmdArgs.push_back("-"); 1065 else if (II.isFilename()) 1066 CmdArgs.push_back(II.getFilename()); 1067 else 1068 // Don't render as input, we need gcc to do the translations. 1069 II.getInputArg().render(Args, CmdArgs); 1070 } 1071 1072 const char *GCCName = 1073 getToolChain().getHost().getDriver().CCCGenericGCCName.c_str(); 1074 const char *Exec = 1075 Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName)); 1076 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 1077} 1078 1079void gcc::Preprocess::RenderExtraToolArgs(ArgStringList &CmdArgs) const { 1080 CmdArgs.push_back("-E"); 1081} 1082 1083void gcc::Precompile::RenderExtraToolArgs(ArgStringList &CmdArgs) const { 1084 // The type is good enough. 1085} 1086 1087void gcc::Compile::RenderExtraToolArgs(ArgStringList &CmdArgs) const { 1088 CmdArgs.push_back("-S"); 1089} 1090 1091void gcc::Assemble::RenderExtraToolArgs(ArgStringList &CmdArgs) const { 1092 CmdArgs.push_back("-c"); 1093} 1094 1095void gcc::Link::RenderExtraToolArgs(ArgStringList &CmdArgs) const { 1096 // The types are (hopefully) good enough. 1097} 1098 1099const char *darwin::CC1::getCC1Name(types::ID Type) const { 1100 switch (Type) { 1101 default: 1102 assert(0 && "Unexpected type for Darwin CC1 tool."); 1103 case types::TY_Asm: 1104 case types::TY_C: case types::TY_CHeader: 1105 case types::TY_PP_C: case types::TY_PP_CHeader: 1106 return "cc1"; 1107 case types::TY_ObjC: case types::TY_ObjCHeader: 1108 case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader: 1109 return "cc1obj"; 1110 case types::TY_CXX: case types::TY_CXXHeader: 1111 case types::TY_PP_CXX: case types::TY_PP_CXXHeader: 1112 return "cc1plus"; 1113 case types::TY_ObjCXX: case types::TY_ObjCXXHeader: 1114 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader: 1115 return "cc1objplus"; 1116 } 1117} 1118 1119const char *darwin::CC1::getBaseInputName(const ArgList &Args, 1120 const InputInfoList &Inputs) { 1121 llvm::sys::Path P(Inputs[0].getBaseInput()); 1122 return Args.MakeArgString(P.getLast()); 1123} 1124 1125const char *darwin::CC1::getBaseInputStem(const ArgList &Args, 1126 const InputInfoList &Inputs) { 1127 const char *Str = getBaseInputName(Args, Inputs); 1128 1129 if (const char *End = strchr(Str, '.')) 1130 return Args.MakeArgString(std::string(Str, End)); 1131 1132 return Str; 1133} 1134 1135const char * 1136darwin::CC1::getDependencyFileName(const ArgList &Args, 1137 const InputInfoList &Inputs) { 1138 // FIXME: Think about this more. 1139 std::string Res; 1140 1141 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1142 std::string Str(OutputOpt->getValue(Args)); 1143 1144 Res = Str.substr(0, Str.rfind('.')); 1145 } else 1146 Res = darwin::CC1::getBaseInputStem(Args, Inputs); 1147 1148 return Args.MakeArgString(Res + ".d"); 1149} 1150 1151void darwin::CC1::AddCC1Args(const ArgList &Args, 1152 ArgStringList &CmdArgs) const { 1153 const Driver &D = getToolChain().getHost().getDriver(); 1154 1155 CheckCodeGenerationOptions(D, Args); 1156 1157 // Derived from cc1 spec. 1158 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) && 1159 !Args.hasArg(options::OPT_mdynamic_no_pic)) 1160 CmdArgs.push_back("-fPIC"); 1161 1162 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1163 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1164 if (!Args.hasArg(options::OPT_fbuiltin_strcat)) 1165 CmdArgs.push_back("-fno-builtin-strcat"); 1166 if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) 1167 CmdArgs.push_back("-fno-builtin-strcpy"); 1168 } 1169 1170 // gcc has some code here to deal with when no -mmacosx-version-min 1171 // and no -miphoneos-version-min is present, but this never happens 1172 // due to tool chain specific argument translation. 1173 1174 if (Args.hasArg(options::OPT_g_Flag) && 1175 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols)) 1176 CmdArgs.push_back("-feliminate-unused-debug-symbols"); 1177} 1178 1179void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1180 const InputInfoList &Inputs, 1181 const ArgStringList &OutputArgs) const { 1182 const Driver &D = getToolChain().getHost().getDriver(); 1183 1184 // Derived from cc1_options spec. 1185 if (Args.hasArg(options::OPT_fast) || 1186 Args.hasArg(options::OPT_fastf) || 1187 Args.hasArg(options::OPT_fastcp)) 1188 CmdArgs.push_back("-O3"); 1189 1190 if (Arg *A = Args.getLastArg(options::OPT_pg)) 1191 if (Args.hasArg(options::OPT_fomit_frame_pointer)) 1192 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1193 << A->getAsString(Args) << "-fomit-frame-pointer"; 1194 1195 AddCC1Args(Args, CmdArgs); 1196 1197 if (!Args.hasArg(options::OPT_Q)) 1198 CmdArgs.push_back("-quiet"); 1199 1200 CmdArgs.push_back("-dumpbase"); 1201 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs)); 1202 1203 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1204 1205 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1206 Args.AddAllArgs(CmdArgs, options::OPT_a_Group); 1207 1208 // FIXME: The goal is to use the user provided -o if that is our 1209 // final output, otherwise to drive from the original input 1210 // name. Find a clean way to go about this. 1211 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 1212 Args.hasArg(options::OPT_o)) { 1213 Arg *OutputOpt = Args.getLastArg(options::OPT_o); 1214 CmdArgs.push_back("-auxbase-strip"); 1215 CmdArgs.push_back(OutputOpt->getValue(Args)); 1216 } else { 1217 CmdArgs.push_back("-auxbase"); 1218 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs)); 1219 } 1220 1221 Args.AddAllArgs(CmdArgs, options::OPT_g_Group); 1222 1223 Args.AddAllArgs(CmdArgs, options::OPT_O); 1224 // FIXME: -Wall is getting some special treatment. Investigate. 1225 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1226 Args.AddLastArg(CmdArgs, options::OPT_w); 1227 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1228 options::OPT_trigraphs); 1229 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1230 // Honor -std-default. 1231 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1232 "-std=", /*Joined=*/true); 1233 } 1234 1235 if (Args.hasArg(options::OPT_v)) 1236 CmdArgs.push_back("-version"); 1237 if (Args.hasArg(options::OPT_pg)) 1238 CmdArgs.push_back("-p"); 1239 Args.AddLastArg(CmdArgs, options::OPT_p); 1240 1241 // The driver treats -fsyntax-only specially. 1242 if (getToolChain().getTriple().getArch() == llvm::Triple::arm || 1243 getToolChain().getTriple().getArch() == llvm::Triple::thumb) { 1244 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are 1245 // used to inhibit the default -fno-builtin-str{cat,cpy}. 1246 // 1247 // FIXME: Should we grow a better way to deal with "removing" args? 1248 // 1249 // FIXME: Use iterator. 1250 for (ArgList::const_iterator it = Args.begin(), 1251 ie = Args.end(); it != ie; ++it) { 1252 const Arg *A = *it; 1253 if (A->getOption().matches(options::OPT_f_Group) || 1254 A->getOption().matches(options::OPT_fsyntax_only)) { 1255 if (!A->getOption().matches(options::OPT_fbuiltin_strcat) && 1256 !A->getOption().matches(options::OPT_fbuiltin_strcpy)) { 1257 A->claim(); 1258 A->render(Args, CmdArgs); 1259 } 1260 } 1261 } 1262 } else 1263 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1264 1265 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1266 if (Args.hasArg(options::OPT_Qn)) 1267 CmdArgs.push_back("-fno-ident"); 1268 1269 // FIXME: This isn't correct. 1270 //Args.AddLastArg(CmdArgs, options::OPT__help) 1271 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp) 1272 1273 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1274 1275 // FIXME: Still don't get what is happening here. Investigate. 1276 Args.AddAllArgs(CmdArgs, options::OPT__param); 1277 1278 if (Args.hasArg(options::OPT_fmudflap) || 1279 Args.hasArg(options::OPT_fmudflapth)) { 1280 CmdArgs.push_back("-fno-builtin"); 1281 CmdArgs.push_back("-fno-merge-constants"); 1282 } 1283 1284 if (Args.hasArg(options::OPT_coverage)) { 1285 CmdArgs.push_back("-fprofile-arcs"); 1286 CmdArgs.push_back("-ftest-coverage"); 1287 } 1288 1289 if (types::isCXX(Inputs[0].getType())) 1290 CmdArgs.push_back("-D__private_extern__=extern"); 1291} 1292 1293void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs, 1294 const InputInfoList &Inputs, 1295 const ArgStringList &OutputArgs) const { 1296 // Derived from cpp_options 1297 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1298 1299 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1300 1301 AddCC1Args(Args, CmdArgs); 1302 1303 // NOTE: The code below has some commonality with cpp_options, but 1304 // in classic gcc style ends up sending things in different 1305 // orders. This may be a good merge candidate once we drop pedantic 1306 // compatibility. 1307 1308 Args.AddAllArgs(CmdArgs, options::OPT_m_Group); 1309 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi, 1310 options::OPT_trigraphs); 1311 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { 1312 // Honor -std-default. 1313 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, 1314 "-std=", /*Joined=*/true); 1315 } 1316 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group); 1317 Args.AddLastArg(CmdArgs, options::OPT_w); 1318 1319 // The driver treats -fsyntax-only specially. 1320 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only); 1321 1322 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) && 1323 !Args.hasArg(options::OPT_fno_working_directory)) 1324 CmdArgs.push_back("-fworking-directory"); 1325 1326 Args.AddAllArgs(CmdArgs, options::OPT_O); 1327 Args.AddAllArgs(CmdArgs, options::OPT_undef); 1328 if (Args.hasArg(options::OPT_save_temps)) 1329 CmdArgs.push_back("-fpch-preprocess"); 1330} 1331 1332void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args, 1333 ArgStringList &CmdArgs, 1334 const InputInfoList &Inputs) const { 1335 const Driver &D = getToolChain().getHost().getDriver(); 1336 1337 CheckPreprocessingOptions(D, Args); 1338 1339 // Derived from cpp_unique_options. 1340 // -{C,CC} only with -E is checked in CheckPreprocessingOptions(). 1341 Args.AddLastArg(CmdArgs, options::OPT_C); 1342 Args.AddLastArg(CmdArgs, options::OPT_CC); 1343 if (!Args.hasArg(options::OPT_Q)) 1344 CmdArgs.push_back("-quiet"); 1345 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc); 1346 Args.AddLastArg(CmdArgs, options::OPT_v); 1347 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F); 1348 Args.AddLastArg(CmdArgs, options::OPT_P); 1349 1350 // FIXME: Handle %I properly. 1351 if (getToolChain().getArchName() == "x86_64") { 1352 CmdArgs.push_back("-imultilib"); 1353 CmdArgs.push_back("x86_64"); 1354 } 1355 1356 if (Args.hasArg(options::OPT_MD)) { 1357 CmdArgs.push_back("-MD"); 1358 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1359 } 1360 1361 if (Args.hasArg(options::OPT_MMD)) { 1362 CmdArgs.push_back("-MMD"); 1363 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs)); 1364 } 1365 1366 Args.AddLastArg(CmdArgs, options::OPT_M); 1367 Args.AddLastArg(CmdArgs, options::OPT_MM); 1368 Args.AddAllArgs(CmdArgs, options::OPT_MF); 1369 Args.AddLastArg(CmdArgs, options::OPT_MG); 1370 Args.AddLastArg(CmdArgs, options::OPT_MP); 1371 Args.AddAllArgs(CmdArgs, options::OPT_MQ); 1372 Args.AddAllArgs(CmdArgs, options::OPT_MT); 1373 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) && 1374 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) { 1375 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 1376 CmdArgs.push_back("-MQ"); 1377 CmdArgs.push_back(OutputOpt->getValue(Args)); 1378 } 1379 } 1380 1381 Args.AddLastArg(CmdArgs, options::OPT_remap); 1382 if (Args.hasArg(options::OPT_g3)) 1383 CmdArgs.push_back("-dD"); 1384 Args.AddLastArg(CmdArgs, options::OPT_H); 1385 1386 AddCPPArgs(Args, CmdArgs); 1387 1388 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A); 1389 Args.AddAllArgs(CmdArgs, options::OPT_i_Group); 1390 1391 for (InputInfoList::const_iterator 1392 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1393 const InputInfo &II = *it; 1394 1395 if (II.isPipe()) 1396 CmdArgs.push_back("-"); 1397 else 1398 CmdArgs.push_back(II.getFilename()); 1399 } 1400 1401 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 1402 options::OPT_Xpreprocessor); 1403 1404 if (Args.hasArg(options::OPT_fmudflap)) { 1405 CmdArgs.push_back("-D_MUDFLAP"); 1406 CmdArgs.push_back("-include"); 1407 CmdArgs.push_back("mf-runtime.h"); 1408 } 1409 1410 if (Args.hasArg(options::OPT_fmudflapth)) { 1411 CmdArgs.push_back("-D_MUDFLAP"); 1412 CmdArgs.push_back("-D_MUDFLAPTH"); 1413 CmdArgs.push_back("-include"); 1414 CmdArgs.push_back("mf-runtime.h"); 1415 } 1416} 1417 1418void darwin::CC1::AddCPPArgs(const ArgList &Args, 1419 ArgStringList &CmdArgs) const { 1420 // Derived from cpp spec. 1421 1422 if (Args.hasArg(options::OPT_static)) { 1423 // The gcc spec is broken here, it refers to dynamic but 1424 // that has been translated. Start by being bug compatible. 1425 1426 // if (!Args.hasArg(arglist.parser.dynamicOption)) 1427 CmdArgs.push_back("-D__STATIC__"); 1428 } else 1429 CmdArgs.push_back("-D__DYNAMIC__"); 1430 1431 if (Args.hasArg(options::OPT_pthread)) 1432 CmdArgs.push_back("-D_REENTRANT"); 1433} 1434 1435void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA, 1436 Job &Dest, const InputInfo &Output, 1437 const InputInfoList &Inputs, 1438 const ArgList &Args, 1439 const char *LinkingOutput) const { 1440 ArgStringList CmdArgs; 1441 1442 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1443 1444 CmdArgs.push_back("-E"); 1445 1446 if (Args.hasArg(options::OPT_traditional) || 1447 Args.hasArg(options::OPT_traditional_cpp)) 1448 CmdArgs.push_back("-traditional-cpp"); 1449 1450 ArgStringList OutputArgs; 1451 if (Output.isFilename()) { 1452 OutputArgs.push_back("-o"); 1453 OutputArgs.push_back(Output.getFilename()); 1454 } else { 1455 assert(Output.isPipe() && "Unexpected CC1 output."); 1456 } 1457 1458 if (Args.hasArg(options::OPT_E)) { 1459 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1460 } else { 1461 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1462 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1463 } 1464 1465 Args.AddAllArgs(CmdArgs, options::OPT_d_Group); 1466 1467 const char *CC1Name = getCC1Name(Inputs[0].getType()); 1468 const char *Exec = 1469 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 1470 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 1471} 1472 1473void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA, 1474 Job &Dest, const InputInfo &Output, 1475 const InputInfoList &Inputs, 1476 const ArgList &Args, 1477 const char *LinkingOutput) const { 1478 const Driver &D = getToolChain().getHost().getDriver(); 1479 ArgStringList CmdArgs; 1480 1481 assert(Inputs.size() == 1 && "Unexpected number of inputs!"); 1482 1483 types::ID InputType = Inputs[0].getType(); 1484 const Arg *A; 1485 if ((A = Args.getLastArg(options::OPT_traditional))) 1486 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 1487 << A->getAsString(Args) << "-E"; 1488 1489 if (Output.getType() == types::TY_LLVMAsm) 1490 CmdArgs.push_back("-emit-llvm"); 1491 else if (Output.getType() == types::TY_LLVMBC) 1492 CmdArgs.push_back("-emit-llvm-bc"); 1493 else if (Output.getType() == types::TY_AST) 1494 D.Diag(clang::diag::err_drv_no_ast_support) 1495 << getToolChain().getTripleString(); 1496 1497 ArgStringList OutputArgs; 1498 if (Output.getType() != types::TY_PCH) { 1499 OutputArgs.push_back("-o"); 1500 if (Output.isPipe()) 1501 OutputArgs.push_back("-"); 1502 else if (Output.isNothing()) 1503 OutputArgs.push_back("/dev/null"); 1504 else 1505 OutputArgs.push_back(Output.getFilename()); 1506 } 1507 1508 // There is no need for this level of compatibility, but it makes 1509 // diffing easier. 1510 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) || 1511 Args.hasArg(options::OPT_S)); 1512 1513 if (types::getPreprocessedType(InputType) != types::TY_INVALID) { 1514 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs); 1515 if (OutputArgsEarly) { 1516 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1517 } else { 1518 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1519 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1520 } 1521 } else { 1522 CmdArgs.push_back("-fpreprocessed"); 1523 1524 for (InputInfoList::const_iterator 1525 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1526 const InputInfo &II = *it; 1527 1528 // Reject AST inputs. 1529 if (II.getType() == types::TY_AST) { 1530 D.Diag(clang::diag::err_drv_no_ast_support) 1531 << getToolChain().getTripleString(); 1532 return; 1533 } 1534 1535 if (II.isPipe()) 1536 CmdArgs.push_back("-"); 1537 else 1538 CmdArgs.push_back(II.getFilename()); 1539 } 1540 1541 if (OutputArgsEarly) { 1542 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs); 1543 } else { 1544 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList()); 1545 CmdArgs.append(OutputArgs.begin(), OutputArgs.end()); 1546 } 1547 } 1548 1549 if (Output.getType() == types::TY_PCH) { 1550 assert(Output.isFilename() && "Invalid PCH output."); 1551 1552 CmdArgs.push_back("-o"); 1553 // NOTE: gcc uses a temp .s file for this, but there doesn't seem 1554 // to be a good reason. 1555 CmdArgs.push_back("/dev/null"); 1556 1557 CmdArgs.push_back("--output-pch="); 1558 CmdArgs.push_back(Output.getFilename()); 1559 } 1560 1561 const char *CC1Name = getCC1Name(Inputs[0].getType()); 1562 const char *Exec = 1563 Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name)); 1564 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 1565} 1566 1567void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 1568 Job &Dest, const InputInfo &Output, 1569 const InputInfoList &Inputs, 1570 const ArgList &Args, 1571 const char *LinkingOutput) const { 1572 ArgStringList CmdArgs; 1573 1574 assert(Inputs.size() == 1 && "Unexpected number of inputs."); 1575 const InputInfo &Input = Inputs[0]; 1576 1577 // Bit of a hack, this is only used for original inputs. 1578 // 1579 // FIXME: This is broken for preprocessed .s inputs. 1580 if (Input.isFilename() && 1581 strcmp(Input.getFilename(), Input.getBaseInput()) == 0) { 1582 if (Args.hasArg(options::OPT_gstabs)) 1583 CmdArgs.push_back("--gstabs"); 1584 else if (Args.hasArg(options::OPT_g_Group)) 1585 CmdArgs.push_back("--gdwarf2"); 1586 } 1587 1588 // Derived from asm spec. 1589 AddDarwinArch(Args, CmdArgs); 1590 1591 if (!getDarwinToolChain().isIPhone() || 1592 Args.hasArg(options::OPT_force__cpusubtype__ALL)) 1593 CmdArgs.push_back("-force_cpusubtype_ALL"); 1594 1595 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 && 1596 (Args.hasArg(options::OPT_mkernel) || 1597 Args.hasArg(options::OPT_static) || 1598 Args.hasArg(options::OPT_fapple_kext))) 1599 CmdArgs.push_back("-static"); 1600 1601 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 1602 options::OPT_Xassembler); 1603 1604 assert(Output.isFilename() && "Unexpected lipo output."); 1605 CmdArgs.push_back("-o"); 1606 CmdArgs.push_back(Output.getFilename()); 1607 1608 if (Input.isPipe()) { 1609 CmdArgs.push_back("-"); 1610 } else { 1611 assert(Input.isFilename() && "Invalid input."); 1612 CmdArgs.push_back(Input.getFilename()); 1613 } 1614 1615 // asm_final spec is empty. 1616 1617 const char *Exec = 1618 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 1619 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 1620} 1621 1622/// Helper routine for seeing if we should use dsymutil; this is a 1623/// gcc compatible hack, we should remove it and use the input 1624/// type information. 1625static bool isSourceSuffix(const char *Str) { 1626 // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm', 1627 // 'mm'. 1628 switch (strlen(Str)) { 1629 default: 1630 return false; 1631 case 1: 1632 return (memcmp(Str, "C", 1) == 0 || 1633 memcmp(Str, "c", 1) == 0 || 1634 memcmp(Str, "m", 1) == 0); 1635 case 2: 1636 return (memcmp(Str, "cc", 2) == 0 || 1637 memcmp(Str, "cp", 2) == 0 || 1638 memcmp(Str, "mm", 2) == 0); 1639 case 3: 1640 return (memcmp(Str, "CPP", 3) == 0 || 1641 memcmp(Str, "c++", 3) == 0 || 1642 memcmp(Str, "cpp", 3) == 0 || 1643 memcmp(Str, "cxx", 3) == 0); 1644 } 1645} 1646 1647// FIXME: Can we tablegen this? 1648static const char *GetArmArchForMArch(llvm::StringRef Value) { 1649 if (Value == "armv6k") 1650 return "armv6"; 1651 1652 if (Value == "armv5tej") 1653 return "armv5"; 1654 1655 if (Value == "xscale") 1656 return "xscale"; 1657 1658 if (Value == "armv4t") 1659 return "armv4t"; 1660 1661 if (Value == "armv7" || Value == "armv7-a" || Value == "armv7-r" || 1662 Value == "armv7-m" || Value == "armv7a" || Value == "armv7r" || 1663 Value == "armv7m") 1664 return "armv7"; 1665 1666 return 0; 1667} 1668 1669// FIXME: Can we tablegen this? 1670static const char *GetArmArchForMCpu(llvm::StringRef Value) { 1671 if (Value == "arm10tdmi" || Value == "arm1020t" || Value == "arm9e" || 1672 Value == "arm946e-s" || Value == "arm966e-s" || 1673 Value == "arm968e-s" || Value == "arm10e" || 1674 Value == "arm1020e" || Value == "arm1022e" || Value == "arm926ej-s" || 1675 Value == "arm1026ej-s") 1676 return "armv5"; 1677 1678 if (Value == "xscale") 1679 return "xscale"; 1680 1681 if (Value == "arm1136j-s" || Value == "arm1136jf-s" || 1682 Value == "arm1176jz-s" || Value == "arm1176jzf-s") 1683 return "armv6"; 1684 1685 if (Value == "cortex-a8" || Value == "cortex-r4" || Value == "cortex-m3") 1686 return "armv7"; 1687 1688 return 0; 1689} 1690 1691void darwin::DarwinTool::AddDarwinArch(const ArgList &Args, 1692 ArgStringList &CmdArgs) const { 1693 // Derived from darwin_arch spec. 1694 CmdArgs.push_back("-arch"); 1695 1696 switch (getToolChain().getTriple().getArch()) { 1697 default: 1698 CmdArgs.push_back(Args.MakeArgString(getToolChain().getArchName())); 1699 break; 1700 1701 case llvm::Triple::arm: { 1702 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 1703 if (const char *Arch = GetArmArchForMArch(A->getValue(Args))) { 1704 CmdArgs.push_back(Arch); 1705 return; 1706 } 1707 } 1708 1709 if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { 1710 if (const char *Arch = GetArmArchForMCpu(A->getValue(Args))) { 1711 CmdArgs.push_back(Arch); 1712 return; 1713 } 1714 } 1715 1716 CmdArgs.push_back("arm"); 1717 CmdArgs.push_back("-force_cpusubtype_ALL"); 1718 return; 1719 } 1720 } 1721} 1722 1723void darwin::DarwinTool::AddDarwinSubArch(const ArgList &Args, 1724 ArgStringList &CmdArgs) const { 1725 // Derived from darwin_subarch spec, not sure what the distinction 1726 // exists for but at least for this chain it is the same. 1727 AddDarwinArch(Args, CmdArgs); 1728} 1729 1730void darwin::Link::AddLinkArgs(const ArgList &Args, 1731 ArgStringList &CmdArgs) const { 1732 const Driver &D = getToolChain().getHost().getDriver(); 1733 1734 // Derived from the "link" spec. 1735 Args.AddAllArgs(CmdArgs, options::OPT_static); 1736 if (!Args.hasArg(options::OPT_static)) 1737 CmdArgs.push_back("-dynamic"); 1738 if (Args.hasArg(options::OPT_fgnu_runtime)) { 1739 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu 1740 // here. How do we wish to handle such things? 1741 } 1742 1743 if (!Args.hasArg(options::OPT_dynamiclib)) { 1744 if (Args.hasArg(options::OPT_force__cpusubtype__ALL)) { 1745 AddDarwinArch(Args, CmdArgs); 1746 CmdArgs.push_back("-force_cpusubtype_ALL"); 1747 } else 1748 AddDarwinSubArch(Args, CmdArgs); 1749 1750 Args.AddLastArg(CmdArgs, options::OPT_bundle); 1751 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); 1752 Args.AddAllArgs(CmdArgs, options::OPT_client__name); 1753 1754 Arg *A; 1755 if ((A = Args.getLastArg(options::OPT_compatibility__version)) || 1756 (A = Args.getLastArg(options::OPT_current__version)) || 1757 (A = Args.getLastArg(options::OPT_install__name))) 1758 D.Diag(clang::diag::err_drv_argument_only_allowed_with) 1759 << A->getAsString(Args) << "-dynamiclib"; 1760 1761 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); 1762 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); 1763 Args.AddLastArg(CmdArgs, options::OPT_private__bundle); 1764 } else { 1765 CmdArgs.push_back("-dylib"); 1766 1767 Arg *A; 1768 if ((A = Args.getLastArg(options::OPT_bundle)) || 1769 (A = Args.getLastArg(options::OPT_bundle__loader)) || 1770 (A = Args.getLastArg(options::OPT_client__name)) || 1771 (A = Args.getLastArg(options::OPT_force__flat__namespace)) || 1772 (A = Args.getLastArg(options::OPT_keep__private__externs)) || 1773 (A = Args.getLastArg(options::OPT_private__bundle))) 1774 D.Diag(clang::diag::err_drv_argument_not_allowed_with) 1775 << A->getAsString(Args) << "-dynamiclib"; 1776 1777 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, 1778 "-dylib_compatibility_version"); 1779 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, 1780 "-dylib_current_version"); 1781 1782 if (Args.hasArg(options::OPT_force__cpusubtype__ALL)) { 1783 AddDarwinArch(Args, CmdArgs); 1784 // NOTE: We don't add -force_cpusubtype_ALL on this path. Ok. 1785 } else 1786 AddDarwinSubArch(Args, CmdArgs); 1787 1788 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, 1789 "-dylib_install_name"); 1790 } 1791 1792 Args.AddLastArg(CmdArgs, options::OPT_all__load); 1793 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); 1794 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); 1795 if (getDarwinToolChain().isIPhone()) 1796 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); 1797 Args.AddLastArg(CmdArgs, options::OPT_dead__strip); 1798 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); 1799 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); 1800 Args.AddLastArg(CmdArgs, options::OPT_dynamic); 1801 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); 1802 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); 1803 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); 1804 Args.AddAllArgs(CmdArgs, options::OPT_image__base); 1805 Args.AddAllArgs(CmdArgs, options::OPT_init); 1806 1807 if (!Args.hasArg(options::OPT_mmacosx_version_min_EQ) && 1808 !Args.hasArg(options::OPT_miphoneos_version_min_EQ)) { 1809 // Add default version min. 1810 if (!getDarwinToolChain().isIPhone()) { 1811 CmdArgs.push_back("-macosx_version_min"); 1812 CmdArgs.push_back(getDarwinToolChain().getMacosxVersionStr()); 1813 } else { 1814 CmdArgs.push_back("-iphoneos_version_min"); 1815 CmdArgs.push_back(getDarwinToolChain().getIPhoneOSVersionStr()); 1816 } 1817 } 1818 1819 // Adding all arguments doesn't make sense here but this is what 1820 // gcc does. 1821 Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ, 1822 "-macosx_version_min"); 1823 Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ, 1824 "-iphoneos_version_min"); 1825 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); 1826 Args.AddLastArg(CmdArgs, options::OPT_multi__module); 1827 Args.AddLastArg(CmdArgs, options::OPT_single__module); 1828 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); 1829 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); 1830 1831 if (Args.hasArg(options::OPT_fpie)) 1832 CmdArgs.push_back("-pie"); 1833 1834 Args.AddLastArg(CmdArgs, options::OPT_prebind); 1835 Args.AddLastArg(CmdArgs, options::OPT_noprebind); 1836 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); 1837 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); 1838 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); 1839 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); 1840 Args.AddAllArgs(CmdArgs, options::OPT_sectorder); 1841 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); 1842 Args.AddAllArgs(CmdArgs, options::OPT_segprot); 1843 Args.AddAllArgs(CmdArgs, options::OPT_segaddr); 1844 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); 1845 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); 1846 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); 1847 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); 1848 Args.AddAllArgs(CmdArgs, options::OPT_sub__library); 1849 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); 1850 1851 Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot"); 1852 if (getDarwinToolChain().isIPhone()) { 1853 if (!Args.hasArg(options::OPT_isysroot)) { 1854 CmdArgs.push_back("-syslibroot"); 1855 CmdArgs.push_back("/Developer/SDKs/Extra"); 1856 } 1857 } 1858 1859 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); 1860 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); 1861 Args.AddAllArgs(CmdArgs, options::OPT_umbrella); 1862 Args.AddAllArgs(CmdArgs, options::OPT_undefined); 1863 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); 1864 1865 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); 1866 if (!Args.hasArg(options::OPT_weak__reference__mismatches)) { 1867 CmdArgs.push_back("-weak_reference_mismatches"); 1868 CmdArgs.push_back("non-weak"); 1869 } 1870 1871 Args.AddLastArg(CmdArgs, options::OPT_X_Flag); 1872 Args.AddAllArgs(CmdArgs, options::OPT_y); 1873 Args.AddLastArg(CmdArgs, options::OPT_w); 1874 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); 1875 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); 1876 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); 1877 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); 1878 Args.AddAllArgs(CmdArgs, options::OPT_sectalign); 1879 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); 1880 Args.AddAllArgs(CmdArgs, options::OPT_segcreate); 1881 Args.AddLastArg(CmdArgs, options::OPT_whyload); 1882 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); 1883 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); 1884 Args.AddLastArg(CmdArgs, options::OPT_dylinker); 1885 Args.AddLastArg(CmdArgs, options::OPT_Mach); 1886} 1887 1888void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, 1889 Job &Dest, const InputInfo &Output, 1890 const InputInfoList &Inputs, 1891 const ArgList &Args, 1892 const char *LinkingOutput) const { 1893 assert(Output.getType() == types::TY_Image && "Invalid linker output type."); 1894 1895 // The logic here is derived from gcc's behavior; most of which 1896 // comes from specs (starting with link_command). Consult gcc for 1897 // more information. 1898 ArgStringList CmdArgs; 1899 1900 // I'm not sure why this particular decomposition exists in gcc, but 1901 // we follow suite for ease of comparison. 1902 AddLinkArgs(Args, CmdArgs); 1903 1904 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); 1905 Args.AddAllArgs(CmdArgs, options::OPT_s); 1906 Args.AddAllArgs(CmdArgs, options::OPT_t); 1907 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); 1908 Args.AddAllArgs(CmdArgs, options::OPT_u_Group); 1909 Args.AddAllArgs(CmdArgs, options::OPT_A); 1910 Args.AddLastArg(CmdArgs, options::OPT_e); 1911 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate); 1912 Args.AddAllArgs(CmdArgs, options::OPT_r); 1913 1914 CmdArgs.push_back("-o"); 1915 CmdArgs.push_back(Output.getFilename()); 1916 1917 1918 unsigned MacosxVersionMin[3]; 1919 getDarwinToolChain().getMacosxVersionMin(Args, MacosxVersionMin); 1920 1921 if (!Args.hasArg(options::OPT_A) && 1922 !Args.hasArg(options::OPT_nostdlib) && 1923 !Args.hasArg(options::OPT_nostartfiles)) { 1924 // Derived from startfile spec. 1925 if (Args.hasArg(options::OPT_dynamiclib)) { 1926 // Derived from darwin_dylib1 spec. 1927 if (getDarwinToolChain().isMacosxVersionLT(MacosxVersionMin, 10, 5)) 1928 CmdArgs.push_back("-ldylib1.o"); 1929 else if (getDarwinToolChain().isMacosxVersionLT(MacosxVersionMin, 10, 6)) 1930 CmdArgs.push_back("-ldylib1.10.5.o"); 1931 } else { 1932 if (Args.hasArg(options::OPT_bundle)) { 1933 if (!Args.hasArg(options::OPT_static)) { 1934 // Derived from darwin_bundle1 spec. 1935 if (getDarwinToolChain().isMacosxVersionLT(MacosxVersionMin, 10, 6)) 1936 CmdArgs.push_back("-lbundle1.o"); 1937 } 1938 } else { 1939 if (Args.hasArg(options::OPT_pg)) { 1940 if (Args.hasArg(options::OPT_static) || 1941 Args.hasArg(options::OPT_object) || 1942 Args.hasArg(options::OPT_preload)) { 1943 CmdArgs.push_back("-lgcrt0.o"); 1944 } else { 1945 CmdArgs.push_back("-lgcrt1.o"); 1946 1947 // darwin_crt2 spec is empty. 1948 } 1949 } else { 1950 if (Args.hasArg(options::OPT_static) || 1951 Args.hasArg(options::OPT_object) || 1952 Args.hasArg(options::OPT_preload)) { 1953 CmdArgs.push_back("-lcrt0.o"); 1954 } else { 1955 // Derived from darwin_crt1 spec. 1956 if (getDarwinToolChain().isIPhone()) { 1957 CmdArgs.push_back("-lcrt1.o"); 1958 } else if (getDarwinToolChain().isMacosxVersionLT(MacosxVersionMin, 1959 10, 5)) 1960 CmdArgs.push_back("-lcrt1.o"); 1961 else if (getDarwinToolChain().isMacosxVersionLT(MacosxVersionMin, 1962 10, 6)) 1963 CmdArgs.push_back("-lcrt1.10.5.o"); 1964 else 1965 CmdArgs.push_back("-lcrt1.10.6.o"); 1966 1967 // darwin_crt2 spec is empty. 1968 } 1969 } 1970 } 1971 } 1972 1973 if (Args.hasArg(options::OPT_shared_libgcc) && 1974 !Args.hasArg(options::OPT_miphoneos_version_min_EQ) && 1975 getDarwinToolChain().isMacosxVersionLT(MacosxVersionMin, 10, 5)) { 1976 const char *Str = 1977 Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o")); 1978 CmdArgs.push_back(Str); 1979 } 1980 } 1981 1982 Args.AddAllArgs(CmdArgs, options::OPT_L); 1983 1984 if (Args.hasArg(options::OPT_fopenmp)) 1985 // This is more complicated in gcc... 1986 CmdArgs.push_back("-lgomp"); 1987 1988 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs); 1989 1990 for (InputInfoList::const_iterator 1991 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 1992 const InputInfo &II = *it; 1993 if (II.isFilename()) 1994 CmdArgs.push_back(II.getFilename()); 1995 else 1996 II.getInputArg().renderAsInput(Args, CmdArgs); 1997 } 1998 1999 if (LinkingOutput) { 2000 CmdArgs.push_back("-arch_multiple"); 2001 CmdArgs.push_back("-final_output"); 2002 CmdArgs.push_back(LinkingOutput); 2003 } 2004 2005 if (Args.hasArg(options::OPT_fprofile_arcs) || 2006 Args.hasArg(options::OPT_fprofile_generate) || 2007 Args.hasArg(options::OPT_fcreate_profile) || 2008 Args.hasArg(options::OPT_coverage)) 2009 CmdArgs.push_back("-lgcov"); 2010 2011 if (Args.hasArg(options::OPT_fnested_functions)) 2012 CmdArgs.push_back("-allow_stack_execute"); 2013 2014 if (!Args.hasArg(options::OPT_nostdlib) && 2015 !Args.hasArg(options::OPT_nodefaultlibs)) { 2016 // FIXME: g++ is more complicated here, it tries to put -lstdc++ 2017 // before -lm, for example. 2018 if (getToolChain().getHost().getDriver().CCCIsCXX) 2019 CmdArgs.push_back("-lstdc++"); 2020 2021 // link_ssp spec is empty. 2022 2023 // Let the tool chain choose which runtime library to link. 2024 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); 2025 } 2026 2027 if (!Args.hasArg(options::OPT_A) && 2028 !Args.hasArg(options::OPT_nostdlib) && 2029 !Args.hasArg(options::OPT_nostartfiles)) { 2030 // endfile_spec is empty. 2031 } 2032 2033 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2034 Args.AddAllArgs(CmdArgs, options::OPT_F); 2035 2036 const char *Exec = 2037 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2038 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2039 2040 // Find the first non-empty base input (we want to ignore linker 2041 // inputs). 2042 const char *BaseInput = ""; 2043 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 2044 if (Inputs[i].getBaseInput()[0] != '\0') { 2045 BaseInput = Inputs[i].getBaseInput(); 2046 break; 2047 } 2048 } 2049 2050 // Run dsymutil if we are making an executable in a single step. 2051 // 2052 // FIXME: Currently we don't want to do this when we are part of a 2053 // universal build step, as this would end up creating stray temp 2054 // files. 2055 if (!LinkingOutput && 2056 Args.getLastArg(options::OPT_g_Group) && 2057 !Args.getLastArg(options::OPT_gstabs) && 2058 !Args.getLastArg(options::OPT_g0)) { 2059 // FIXME: This is gross, but matches gcc. The test only considers 2060 // the suffix (not the -x type), and then only of the first 2061 // source input. Awesome. 2062 const char *Suffix = strrchr(BaseInput, '.'); 2063 if (Suffix && isSourceSuffix(Suffix + 1)) { 2064 const char *Exec = 2065 Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil")); 2066 ArgStringList CmdArgs; 2067 CmdArgs.push_back(Output.getFilename()); 2068 C.getJobs().addCommand(new Command(JA, Exec, CmdArgs)); 2069 } 2070 } 2071} 2072 2073void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, 2074 Job &Dest, const InputInfo &Output, 2075 const InputInfoList &Inputs, 2076 const ArgList &Args, 2077 const char *LinkingOutput) const { 2078 ArgStringList CmdArgs; 2079 2080 CmdArgs.push_back("-create"); 2081 assert(Output.isFilename() && "Unexpected lipo output."); 2082 2083 CmdArgs.push_back("-output"); 2084 CmdArgs.push_back(Output.getFilename()); 2085 2086 for (InputInfoList::const_iterator 2087 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2088 const InputInfo &II = *it; 2089 assert(II.isFilename() && "Unexpected lipo input."); 2090 CmdArgs.push_back(II.getFilename()); 2091 } 2092 const char *Exec = 2093 Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo")); 2094 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2095} 2096 2097void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2098 Job &Dest, const InputInfo &Output, 2099 const InputInfoList &Inputs, 2100 const ArgList &Args, 2101 const char *LinkingOutput) const { 2102 ArgStringList CmdArgs; 2103 2104 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2105 options::OPT_Xassembler); 2106 2107 CmdArgs.push_back("-o"); 2108 if (Output.isPipe()) 2109 CmdArgs.push_back("-"); 2110 else 2111 CmdArgs.push_back(Output.getFilename()); 2112 2113 for (InputInfoList::const_iterator 2114 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2115 const InputInfo &II = *it; 2116 if (II.isPipe()) 2117 CmdArgs.push_back("-"); 2118 else 2119 CmdArgs.push_back(II.getFilename()); 2120 } 2121 2122 const char *Exec = 2123 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2124 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2125} 2126 2127void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA, 2128 Job &Dest, const InputInfo &Output, 2129 const InputInfoList &Inputs, 2130 const ArgList &Args, 2131 const char *LinkingOutput) const { 2132 const Driver &D = getToolChain().getHost().getDriver(); 2133 ArgStringList CmdArgs; 2134 2135 if ((!Args.hasArg(options::OPT_nostdlib)) && 2136 (!Args.hasArg(options::OPT_shared))) { 2137 CmdArgs.push_back("-e"); 2138 CmdArgs.push_back("__start"); 2139 } 2140 2141 if (Args.hasArg(options::OPT_static)) { 2142 CmdArgs.push_back("-Bstatic"); 2143 } else { 2144 CmdArgs.push_back("--eh-frame-hdr"); 2145 CmdArgs.push_back("-Bdynamic"); 2146 if (Args.hasArg(options::OPT_shared)) { 2147 CmdArgs.push_back("-shared"); 2148 } else { 2149 CmdArgs.push_back("-dynamic-linker"); 2150 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1 2151 } 2152 } 2153 2154 if (Output.isPipe()) { 2155 CmdArgs.push_back("-o"); 2156 CmdArgs.push_back("-"); 2157 } else if (Output.isFilename()) { 2158 CmdArgs.push_back("-o"); 2159 CmdArgs.push_back(Output.getFilename()); 2160 } else { 2161 assert(Output.isNothing() && "Invalid output."); 2162 } 2163 2164 if (!Args.hasArg(options::OPT_nostdlib) && 2165 !Args.hasArg(options::OPT_nostartfiles)) { 2166 if (!Args.hasArg(options::OPT_shared)) { 2167 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o"))); 2168 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2169 } else { 2170 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2171 } 2172 } 2173 2174 CmdArgs.push_back(MakeFormattedString(Args, 2175 llvm::format("-L/opt/gcc4/lib/gcc/%s/4.2.4", 2176 getToolChain().getTripleString().c_str()))); 2177 2178 Args.AddAllArgs(CmdArgs, options::OPT_L); 2179 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2180 Args.AddAllArgs(CmdArgs, options::OPT_e); 2181 2182 for (InputInfoList::const_iterator 2183 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2184 const InputInfo &II = *it; 2185 2186 // Don't try to pass LLVM inputs to a generic gcc. 2187 if (II.getType() == types::TY_LLVMBC) 2188 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2189 << getToolChain().getTripleString(); 2190 2191 if (II.isPipe()) 2192 CmdArgs.push_back("-"); 2193 else if (II.isFilename()) 2194 CmdArgs.push_back(II.getFilename()); 2195 else 2196 II.getInputArg().renderAsInput(Args, CmdArgs); 2197 } 2198 2199 if (!Args.hasArg(options::OPT_nostdlib) && 2200 !Args.hasArg(options::OPT_nodefaultlibs)) { 2201 // FIXME: For some reason GCC passes -lgcc before adding 2202 // the default system libraries. Just mimic this for now. 2203 CmdArgs.push_back("-lgcc"); 2204 2205 if (Args.hasArg(options::OPT_pthread)) 2206 CmdArgs.push_back("-pthread"); 2207 if (!Args.hasArg(options::OPT_shared)) 2208 CmdArgs.push_back("-lc"); 2209 CmdArgs.push_back("-lgcc"); 2210 } 2211 2212 if (!Args.hasArg(options::OPT_nostdlib) && 2213 !Args.hasArg(options::OPT_nostartfiles)) { 2214 if (!Args.hasArg(options::OPT_shared)) 2215 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2216 else 2217 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2218 } 2219 2220 const char *Exec = 2221 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2222 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2223} 2224 2225void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2226 Job &Dest, const InputInfo &Output, 2227 const InputInfoList &Inputs, 2228 const ArgList &Args, 2229 const char *LinkingOutput) const { 2230 ArgStringList CmdArgs; 2231 2232 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2233 options::OPT_Xassembler); 2234 2235 CmdArgs.push_back("-o"); 2236 if (Output.isPipe()) 2237 CmdArgs.push_back("-"); 2238 else 2239 CmdArgs.push_back(Output.getFilename()); 2240 2241 for (InputInfoList::const_iterator 2242 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2243 const InputInfo &II = *it; 2244 if (II.isPipe()) 2245 CmdArgs.push_back("-"); 2246 else 2247 CmdArgs.push_back(II.getFilename()); 2248 } 2249 2250 const char *Exec = 2251 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2252 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2253} 2254 2255void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, 2256 Job &Dest, const InputInfo &Output, 2257 const InputInfoList &Inputs, 2258 const ArgList &Args, 2259 const char *LinkingOutput) const { 2260 const Driver &D = getToolChain().getHost().getDriver(); 2261 ArgStringList CmdArgs; 2262 2263 if ((!Args.hasArg(options::OPT_nostdlib)) && 2264 (!Args.hasArg(options::OPT_shared))) { 2265 CmdArgs.push_back("-e"); 2266 CmdArgs.push_back("__start"); 2267 } 2268 2269 if (Args.hasArg(options::OPT_static)) { 2270 CmdArgs.push_back("-Bstatic"); 2271 } else { 2272 CmdArgs.push_back("--eh-frame-hdr"); 2273 CmdArgs.push_back("-Bdynamic"); 2274 if (Args.hasArg(options::OPT_shared)) { 2275 CmdArgs.push_back("-shared"); 2276 } else { 2277 CmdArgs.push_back("-dynamic-linker"); 2278 CmdArgs.push_back("/usr/libexec/ld.so"); 2279 } 2280 } 2281 2282 if (Output.isPipe()) { 2283 CmdArgs.push_back("-o"); 2284 CmdArgs.push_back("-"); 2285 } else if (Output.isFilename()) { 2286 CmdArgs.push_back("-o"); 2287 CmdArgs.push_back(Output.getFilename()); 2288 } else { 2289 assert(Output.isNothing() && "Invalid output."); 2290 } 2291 2292 if (!Args.hasArg(options::OPT_nostdlib) && 2293 !Args.hasArg(options::OPT_nostartfiles)) { 2294 if (!Args.hasArg(options::OPT_shared)) { 2295 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o"))); 2296 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2297 } else { 2298 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2299 } 2300 } 2301 2302 CmdArgs.push_back(MakeFormattedString(Args, 2303 llvm::format("-L/usr/lib/gcc-lib/%s/3.3.5", 2304 getToolChain().getTripleString().c_str()))); 2305 2306 Args.AddAllArgs(CmdArgs, options::OPT_L); 2307 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2308 Args.AddAllArgs(CmdArgs, options::OPT_e); 2309 2310 for (InputInfoList::const_iterator 2311 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2312 const InputInfo &II = *it; 2313 2314 // Don't try to pass LLVM inputs to a generic gcc. 2315 if (II.getType() == types::TY_LLVMBC) 2316 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2317 << getToolChain().getTripleString(); 2318 2319 if (II.isPipe()) 2320 CmdArgs.push_back("-"); 2321 else if (II.isFilename()) 2322 CmdArgs.push_back(II.getFilename()); 2323 else 2324 II.getInputArg().renderAsInput(Args, CmdArgs); 2325 } 2326 2327 if (!Args.hasArg(options::OPT_nostdlib) && 2328 !Args.hasArg(options::OPT_nodefaultlibs)) { 2329 // FIXME: For some reason GCC passes -lgcc before adding 2330 // the default system libraries. Just mimic this for now. 2331 CmdArgs.push_back("-lgcc"); 2332 2333 if (Args.hasArg(options::OPT_pthread)) 2334 CmdArgs.push_back("-pthread"); 2335 if (!Args.hasArg(options::OPT_shared)) 2336 CmdArgs.push_back("-lc"); 2337 CmdArgs.push_back("-lgcc"); 2338 } 2339 2340 if (!Args.hasArg(options::OPT_nostdlib) && 2341 !Args.hasArg(options::OPT_nostartfiles)) { 2342 if (!Args.hasArg(options::OPT_shared)) 2343 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2344 else 2345 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2346 } 2347 2348 const char *Exec = 2349 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2350 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2351} 2352 2353void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2354 Job &Dest, const InputInfo &Output, 2355 const InputInfoList &Inputs, 2356 const ArgList &Args, 2357 const char *LinkingOutput) const { 2358 ArgStringList CmdArgs; 2359 2360 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2361 // instruct as in the base system to assemble 32-bit code. 2362 if (getToolChain().getArchName() == "i386") 2363 CmdArgs.push_back("--32"); 2364 2365 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2366 options::OPT_Xassembler); 2367 2368 CmdArgs.push_back("-o"); 2369 if (Output.isPipe()) 2370 CmdArgs.push_back("-"); 2371 else 2372 CmdArgs.push_back(Output.getFilename()); 2373 2374 for (InputInfoList::const_iterator 2375 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2376 const InputInfo &II = *it; 2377 if (II.isPipe()) 2378 CmdArgs.push_back("-"); 2379 else 2380 CmdArgs.push_back(II.getFilename()); 2381 } 2382 2383 const char *Exec = 2384 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2385 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2386} 2387 2388void freebsd::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 const Driver &D = getToolChain().getHost().getDriver(); 2394 ArgStringList CmdArgs; 2395 2396 if (Args.hasArg(options::OPT_static)) { 2397 CmdArgs.push_back("-Bstatic"); 2398 } else { 2399 CmdArgs.push_back("--eh-frame-hdr"); 2400 if (Args.hasArg(options::OPT_shared)) { 2401 CmdArgs.push_back("-Bshareable"); 2402 } else { 2403 CmdArgs.push_back("-dynamic-linker"); 2404 CmdArgs.push_back("/libexec/ld-elf.so.1"); 2405 } 2406 } 2407 2408 // When building 32-bit code on FreeBSD/amd64, we have to explicitly 2409 // instruct ld in the base system to link 32-bit code. 2410 if (getToolChain().getArchName() == "i386") { 2411 CmdArgs.push_back("-m"); 2412 CmdArgs.push_back("elf_i386_fbsd"); 2413 } 2414 2415 if (Output.isPipe()) { 2416 CmdArgs.push_back("-o"); 2417 CmdArgs.push_back("-"); 2418 } else if (Output.isFilename()) { 2419 CmdArgs.push_back("-o"); 2420 CmdArgs.push_back(Output.getFilename()); 2421 } else { 2422 assert(Output.isNothing() && "Invalid output."); 2423 } 2424 2425 if (!Args.hasArg(options::OPT_nostdlib) && 2426 !Args.hasArg(options::OPT_nostartfiles)) { 2427 if (!Args.hasArg(options::OPT_shared)) { 2428 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2429 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2430 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2431 } else { 2432 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2433 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2434 } 2435 } 2436 2437 Args.AddAllArgs(CmdArgs, options::OPT_L); 2438 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2439 Args.AddAllArgs(CmdArgs, options::OPT_e); 2440 2441 for (InputInfoList::const_iterator 2442 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2443 const InputInfo &II = *it; 2444 2445 // Don't try to pass LLVM inputs to a generic gcc. 2446 if (II.getType() == types::TY_LLVMBC) 2447 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2448 << getToolChain().getTripleString(); 2449 2450 if (II.isPipe()) 2451 CmdArgs.push_back("-"); 2452 else if (II.isFilename()) 2453 CmdArgs.push_back(II.getFilename()); 2454 else 2455 II.getInputArg().renderAsInput(Args, CmdArgs); 2456 } 2457 2458 if (!Args.hasArg(options::OPT_nostdlib) && 2459 !Args.hasArg(options::OPT_nodefaultlibs)) { 2460 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding 2461 // the default system libraries. Just mimic this for now. 2462 CmdArgs.push_back("-lgcc"); 2463 if (Args.hasArg(options::OPT_static)) { 2464 CmdArgs.push_back("-lgcc_eh"); 2465 } else { 2466 CmdArgs.push_back("--as-needed"); 2467 CmdArgs.push_back("-lgcc_s"); 2468 CmdArgs.push_back("--no-as-needed"); 2469 } 2470 2471 if (Args.hasArg(options::OPT_pthread)) 2472 CmdArgs.push_back("-lpthread"); 2473 CmdArgs.push_back("-lc"); 2474 2475 CmdArgs.push_back("-lgcc"); 2476 if (Args.hasArg(options::OPT_static)) { 2477 CmdArgs.push_back("-lgcc_eh"); 2478 } else { 2479 CmdArgs.push_back("--as-needed"); 2480 CmdArgs.push_back("-lgcc_s"); 2481 CmdArgs.push_back("--no-as-needed"); 2482 } 2483 } 2484 2485 if (!Args.hasArg(options::OPT_nostdlib) && 2486 !Args.hasArg(options::OPT_nostartfiles)) { 2487 if (!Args.hasArg(options::OPT_shared)) 2488 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2489 else 2490 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2491 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2492 } 2493 2494 const char *Exec = 2495 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2496 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2497} 2498 2499/// DragonFly Tools 2500 2501// For now, DragonFly Assemble does just about the same as for 2502// FreeBSD, but this may change soon. 2503void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, 2504 Job &Dest, const InputInfo &Output, 2505 const InputInfoList &Inputs, 2506 const ArgList &Args, 2507 const char *LinkingOutput) const { 2508 ArgStringList CmdArgs; 2509 2510 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2511 // instruct as in the base system to assemble 32-bit code. 2512 if (getToolChain().getArchName() == "i386") 2513 CmdArgs.push_back("--32"); 2514 2515 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, 2516 options::OPT_Xassembler); 2517 2518 CmdArgs.push_back("-o"); 2519 if (Output.isPipe()) 2520 CmdArgs.push_back("-"); 2521 else 2522 CmdArgs.push_back(Output.getFilename()); 2523 2524 for (InputInfoList::const_iterator 2525 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2526 const InputInfo &II = *it; 2527 if (II.isPipe()) 2528 CmdArgs.push_back("-"); 2529 else 2530 CmdArgs.push_back(II.getFilename()); 2531 } 2532 2533 const char *Exec = 2534 Args.MakeArgString(getToolChain().GetProgramPath(C, "as")); 2535 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2536} 2537 2538void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, 2539 Job &Dest, const InputInfo &Output, 2540 const InputInfoList &Inputs, 2541 const ArgList &Args, 2542 const char *LinkingOutput) const { 2543 const Driver &D = getToolChain().getHost().getDriver(); 2544 ArgStringList CmdArgs; 2545 2546 if (Args.hasArg(options::OPT_static)) { 2547 CmdArgs.push_back("-Bstatic"); 2548 } else { 2549 if (Args.hasArg(options::OPT_shared)) 2550 CmdArgs.push_back("-Bshareable"); 2551 else { 2552 CmdArgs.push_back("-dynamic-linker"); 2553 CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); 2554 } 2555 } 2556 2557 // When building 32-bit code on DragonFly/pc64, we have to explicitly 2558 // instruct ld in the base system to link 32-bit code. 2559 if (getToolChain().getArchName() == "i386") { 2560 CmdArgs.push_back("-m"); 2561 CmdArgs.push_back("elf_i386"); 2562 } 2563 2564 if (Output.isPipe()) { 2565 CmdArgs.push_back("-o"); 2566 CmdArgs.push_back("-"); 2567 } else if (Output.isFilename()) { 2568 CmdArgs.push_back("-o"); 2569 CmdArgs.push_back(Output.getFilename()); 2570 } else { 2571 assert(Output.isNothing() && "Invalid output."); 2572 } 2573 2574 if (!Args.hasArg(options::OPT_nostdlib) && 2575 !Args.hasArg(options::OPT_nostartfiles)) { 2576 if (!Args.hasArg(options::OPT_shared)) { 2577 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o"))); 2578 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2579 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o"))); 2580 } else { 2581 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o"))); 2582 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o"))); 2583 } 2584 } 2585 2586 Args.AddAllArgs(CmdArgs, options::OPT_L); 2587 Args.AddAllArgs(CmdArgs, options::OPT_T_Group); 2588 Args.AddAllArgs(CmdArgs, options::OPT_e); 2589 2590 for (InputInfoList::const_iterator 2591 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) { 2592 const InputInfo &II = *it; 2593 2594 // Don't try to pass LLVM inputs to a generic gcc. 2595 if (II.getType() == types::TY_LLVMBC) 2596 D.Diag(clang::diag::err_drv_no_linker_llvm_support) 2597 << getToolChain().getTripleString(); 2598 2599 if (II.isPipe()) 2600 CmdArgs.push_back("-"); 2601 else if (II.isFilename()) 2602 CmdArgs.push_back(II.getFilename()); 2603 else 2604 II.getInputArg().renderAsInput(Args, CmdArgs); 2605 } 2606 2607 if (!Args.hasArg(options::OPT_nostdlib) && 2608 !Args.hasArg(options::OPT_nodefaultlibs)) { 2609 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of 2610 // rpaths 2611 CmdArgs.push_back("-L/usr/lib/gcc41"); 2612 2613 if (!Args.hasArg(options::OPT_static)) { 2614 CmdArgs.push_back("-rpath"); 2615 CmdArgs.push_back("/usr/lib/gcc41"); 2616 2617 CmdArgs.push_back("-rpath-link"); 2618 CmdArgs.push_back("/usr/lib/gcc41"); 2619 2620 CmdArgs.push_back("-rpath"); 2621 CmdArgs.push_back("/usr/lib"); 2622 2623 CmdArgs.push_back("-rpath-link"); 2624 CmdArgs.push_back("/usr/lib"); 2625 } 2626 2627 if (Args.hasArg(options::OPT_shared)) { 2628 CmdArgs.push_back("-lgcc_pic"); 2629 } else { 2630 CmdArgs.push_back("-lgcc"); 2631 } 2632 2633 2634 if (Args.hasArg(options::OPT_pthread)) 2635 CmdArgs.push_back("-lthread_xu"); 2636 2637 if (!Args.hasArg(options::OPT_nolibc)) { 2638 CmdArgs.push_back("-lc"); 2639 } 2640 2641 if (Args.hasArg(options::OPT_shared)) { 2642 CmdArgs.push_back("-lgcc_pic"); 2643 } else { 2644 CmdArgs.push_back("-lgcc"); 2645 } 2646 } 2647 2648 if (!Args.hasArg(options::OPT_nostdlib) && 2649 !Args.hasArg(options::OPT_nostartfiles)) { 2650 if (!Args.hasArg(options::OPT_shared)) 2651 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o"))); 2652 else 2653 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o"))); 2654 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o"))); 2655 } 2656 2657 const char *Exec = 2658 Args.MakeArgString(getToolChain().GetProgramPath(C, "ld")); 2659 Dest.addCommand(new Command(JA, Exec, CmdArgs)); 2660} 2661