1 //===--- Tools.cpp - Tools Implementations --------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 #include "clang/Driver/Action.h"
13 #include "clang/Driver/Arg.h"
14 #include "clang/Driver/ArgList.h"
15 #include "clang/Driver/Driver.h"
16 #include "clang/Driver/DriverDiagnostic.h"
17 #include "clang/Driver/Compilation.h"
18 #include "clang/Driver/Job.h"
19 #include "clang/Driver/ObjCRuntime.h"
20 #include "clang/Driver/Option.h"
21 #include "clang/Driver/Options.h"
22 #include "clang/Driver/ToolChain.h"
23 #include "clang/Driver/Util.h"
25 #include "llvm/ADT/SmallString.h"
26 #include "llvm/ADT/StringSwitch.h"
27 #include "llvm/ADT/Twine.h"
28 #include "llvm/Support/FileSystem.h"
29 #include "llvm/Support/Format.h"
30 #include "llvm/Support/raw_ostream.h"
31 #include "llvm/Support/Host.h"
32 #include "llvm/Support/Process.h"
33 #include "llvm/Support/ErrorHandling.h"
35 #include "InputInfo.h"
36 #include "ToolChains.h"
38 using namespace clang::driver;
39 using namespace clang::driver::tools;
40 using namespace clang;
42 /// CheckPreprocessingOptions - Perform some validation of preprocessing
43 /// arguments that is shared with gcc.
44 static 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) && !D.CCCIsCPP)
47 D.Diag(diag::err_drv_argument_only_allowed_with)
48 << A->getAsString(Args) << "-E";
51 /// CheckCodeGenerationOptions - Perform some validation of code generation
52 /// arguments that is shared with gcc.
53 static 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(diag::err_drv_argument_not_allowed_with)
59 << A->getAsString(Args) << "-static";
62 // Quote target names for inclusion in GNU Make dependency files.
63 // Only the characters '$', '#', ' ', '\t' are quoted.
64 static void QuoteTarget(StringRef Target,
65 SmallVectorImpl<char> &Res) {
66 for (unsigned i = 0, e = Target.size(); i != e; ++i) {
70 // Escape the preceding backslashes
71 for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j)
74 // Escape the space/tab
87 Res.push_back(Target[i]);
91 static void addDirectoryList(const ArgList &Args,
92 ArgStringList &CmdArgs,
95 const char *DirList = ::getenv(EnvVar);
97 return; // Nothing to do.
99 StringRef Dirs(DirList);
100 if (Dirs.empty()) // Empty string should not add '.'.
103 StringRef::size_type Delim;
104 while ((Delim = Dirs.find(llvm::sys::PathSeparator)) != StringRef::npos) {
105 if (Delim == 0) { // Leading colon.
106 CmdArgs.push_back(ArgName);
107 CmdArgs.push_back(".");
109 CmdArgs.push_back(ArgName);
110 CmdArgs.push_back(Args.MakeArgString(Dirs.substr(0, Delim)));
112 Dirs = Dirs.substr(Delim + 1);
115 if (Dirs.empty()) { // Trailing colon.
116 CmdArgs.push_back(ArgName);
117 CmdArgs.push_back(".");
118 } else { // Add the last path.
119 CmdArgs.push_back(ArgName);
120 CmdArgs.push_back(Args.MakeArgString(Dirs));
124 static void AddLinkerInputs(const ToolChain &TC,
125 const InputInfoList &Inputs, const ArgList &Args,
126 ArgStringList &CmdArgs) {
127 const Driver &D = TC.getDriver();
129 // Add extra linker input arguments which are not treated as inputs
130 // (constructed via -Xarch_).
131 Args.AddAllArgValues(CmdArgs, options::OPT_Zlinker_input);
133 for (InputInfoList::const_iterator
134 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
135 const InputInfo &II = *it;
137 if (!TC.HasNativeLLVMSupport()) {
138 // Don't try to pass LLVM inputs unless we have native support.
139 if (II.getType() == types::TY_LLVM_IR ||
140 II.getType() == types::TY_LTO_IR ||
141 II.getType() == types::TY_LLVM_BC ||
142 II.getType() == types::TY_LTO_BC)
143 D.Diag(diag::err_drv_no_linker_llvm_support)
144 << TC.getTripleString();
147 // Add filenames immediately.
148 if (II.isFilename()) {
149 CmdArgs.push_back(II.getFilename());
153 // Otherwise, this is a linker input argument.
154 const Arg &A = II.getInputArg();
156 // Handle reserved library options.
157 if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
158 TC.AddCXXStdlibLibArgs(Args, CmdArgs);
159 } else if (A.getOption().matches(options::OPT_Z_reserved_lib_cckext)) {
160 TC.AddCCKextLibArgs(Args, CmdArgs);
162 A.renderAsInput(Args, CmdArgs);
165 // LIBRARY_PATH - included following the user specified library paths.
166 addDirectoryList(Args, CmdArgs, "-L", "LIBRARY_PATH");
169 /// \brief Determine whether Objective-C automated reference counting is
171 static bool isObjCAutoRefCount(const ArgList &Args) {
172 return Args.hasFlag(options::OPT_fobjc_arc, options::OPT_fno_objc_arc, false);
175 /// \brief Determine whether we are linking the ObjC runtime.
176 static bool isObjCRuntimeLinked(const ArgList &Args) {
177 if (isObjCAutoRefCount(Args))
179 return Args.hasArg(options::OPT_fobjc_link_runtime);
182 static void addProfileRT(const ToolChain &TC, const ArgList &Args,
183 ArgStringList &CmdArgs,
184 llvm::Triple Triple) {
185 if (!(Args.hasArg(options::OPT_fprofile_arcs) ||
186 Args.hasArg(options::OPT_fprofile_generate) ||
187 Args.hasArg(options::OPT_fcreate_profile) ||
188 Args.hasArg(options::OPT_coverage)))
191 // GCC links libgcov.a by adding -L<inst>/gcc/lib/gcc/<triple>/<ver> -lgcov to
192 // the link line. We cannot do the same thing because unlike gcov there is a
193 // libprofile_rt.so. We used to use the -l:libprofile_rt.a syntax, but that is
194 // not supported by old linkers.
195 std::string ProfileRT =
196 std::string(TC.getDriver().Dir) + "/../lib/libprofile_rt.a";
198 CmdArgs.push_back(Args.MakeArgString(ProfileRT));
201 void Clang::AddPreprocessingOptions(Compilation &C,
204 ArgStringList &CmdArgs,
205 const InputInfo &Output,
206 const InputInfoList &Inputs) const {
209 CheckPreprocessingOptions(D, Args);
211 Args.AddLastArg(CmdArgs, options::OPT_C);
212 Args.AddLastArg(CmdArgs, options::OPT_CC);
214 // Handle dependency file generation.
215 if ((A = Args.getLastArg(options::OPT_M, options::OPT_MM)) ||
216 (A = Args.getLastArg(options::OPT_MD)) ||
217 (A = Args.getLastArg(options::OPT_MMD))) {
218 // Determine the output location.
220 if (Output.getType() == types::TY_Dependencies) {
221 DepFile = Output.getFilename();
222 } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
223 DepFile = MF->getValue(Args);
224 C.addFailureResultFile(DepFile);
225 } else if (A->getOption().matches(options::OPT_M) ||
226 A->getOption().matches(options::OPT_MM)) {
229 DepFile = darwin::CC1::getDependencyFileName(Args, Inputs);
230 C.addFailureResultFile(DepFile);
232 CmdArgs.push_back("-dependency-file");
233 CmdArgs.push_back(DepFile);
235 // Add a default target if one wasn't specified.
236 if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) {
237 const char *DepTarget;
239 // If user provided -o, that is the dependency target, except
240 // when we are only generating a dependency file.
241 Arg *OutputOpt = Args.getLastArg(options::OPT_o);
242 if (OutputOpt && Output.getType() != types::TY_Dependencies) {
243 DepTarget = OutputOpt->getValue(Args);
245 // Otherwise derive from the base input.
247 // FIXME: This should use the computed output file location.
248 SmallString<128> P(Inputs[0].getBaseInput());
249 llvm::sys::path::replace_extension(P, "o");
250 DepTarget = Args.MakeArgString(llvm::sys::path::filename(P));
253 CmdArgs.push_back("-MT");
254 SmallString<128> Quoted;
255 QuoteTarget(DepTarget, Quoted);
256 CmdArgs.push_back(Args.MakeArgString(Quoted));
259 if (A->getOption().matches(options::OPT_M) ||
260 A->getOption().matches(options::OPT_MD))
261 CmdArgs.push_back("-sys-header-deps");
264 if (Args.hasArg(options::OPT_MG)) {
265 if (!A || A->getOption().matches(options::OPT_MD) ||
266 A->getOption().matches(options::OPT_MMD))
267 D.Diag(diag::err_drv_mg_requires_m_or_mm);
268 CmdArgs.push_back("-MG");
271 Args.AddLastArg(CmdArgs, options::OPT_MP);
273 // Convert all -MQ <target> args to -MT <quoted target>
274 for (arg_iterator it = Args.filtered_begin(options::OPT_MT,
276 ie = Args.filtered_end(); it != ie; ++it) {
280 if (A->getOption().matches(options::OPT_MQ)) {
281 CmdArgs.push_back("-MT");
282 SmallString<128> Quoted;
283 QuoteTarget(A->getValue(Args), Quoted);
284 CmdArgs.push_back(Args.MakeArgString(Quoted));
286 // -MT flag - no change
288 A->render(Args, CmdArgs);
292 // Add -i* options, and automatically translate to
293 // -include-pch/-include-pth for transparent PCH support. It's
294 // wonky, but we include looking for .gch so we can support seamless
295 // replacement into a build system already set up to be generating
297 bool RenderedImplicitInclude = false;
298 for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group),
299 ie = Args.filtered_end(); it != ie; ++it) {
302 if (A->getOption().matches(options::OPT_include)) {
303 bool IsFirstImplicitInclude = !RenderedImplicitInclude;
304 RenderedImplicitInclude = true;
306 // Use PCH if the user requested it.
307 bool UsePCH = D.CCCUsePCH;
309 bool FoundPTH = false;
310 bool FoundPCH = false;
311 llvm::sys::Path P(A->getValue(Args));
314 P.appendSuffix("pch");
315 if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
322 P.appendSuffix("pth");
323 if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
329 if (!FoundPCH && !FoundPTH) {
330 P.appendSuffix("gch");
331 if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) {
339 if (FoundPCH || FoundPTH) {
340 if (IsFirstImplicitInclude) {
343 CmdArgs.push_back("-include-pch");
345 CmdArgs.push_back("-include-pth");
346 CmdArgs.push_back(Args.MakeArgString(P.str()));
349 // Ignore the PCH if not first on command line and emit warning.
350 D.Diag(diag::warn_drv_pch_not_first_include)
351 << P.str() << A->getAsString(Args);
356 // Not translated, render as usual.
358 A->render(Args, CmdArgs);
361 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
362 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F,
363 options::OPT_index_header_map);
365 // Add -Wp, and -Xassembler if using the preprocessor.
367 // FIXME: There is a very unfortunate problem here, some troubled
368 // souls abuse -Wp, to pass preprocessor options in gcc syntax. To
369 // really support that we would have to parse and then translate
371 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
372 options::OPT_Xpreprocessor);
374 // -I- is a deprecated GCC feature, reject it.
375 if (Arg *A = Args.getLastArg(options::OPT_I_))
376 D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
378 // If we have a --sysroot, and don't have an explicit -isysroot flag, add an
379 // -isysroot to the CC1 invocation.
380 if (Arg *A = Args.getLastArg(options::OPT__sysroot_EQ)) {
381 if (!Args.hasArg(options::OPT_isysroot)) {
382 CmdArgs.push_back("-isysroot");
383 CmdArgs.push_back(A->getValue(Args));
387 // If a module path was provided, pass it along. Otherwise, use a temporary
389 if (Arg *A = Args.getLastArg(options::OPT_fmodule_cache_path)) {
391 A->render(Args, CmdArgs);
393 SmallString<128> DefaultModuleCache;
394 llvm::sys::path::system_temp_directory(/*erasedOnReboot=*/false,
396 llvm::sys::path::append(DefaultModuleCache, "clang-module-cache");
397 CmdArgs.push_back("-fmodule-cache-path");
398 CmdArgs.push_back(Args.MakeArgString(DefaultModuleCache));
401 // Parse additional include paths from environment variables.
402 // FIXME: We should probably sink the logic for handling these from the
403 // frontend into the driver. It will allow deleting 4 otherwise unused flags.
404 // CPATH - included following the user specified includes (but prior to
405 // builtin and standard includes).
406 addDirectoryList(Args, CmdArgs, "-I", "CPATH");
407 // C_INCLUDE_PATH - system includes enabled when compiling C.
408 addDirectoryList(Args, CmdArgs, "-c-isystem", "C_INCLUDE_PATH");
409 // CPLUS_INCLUDE_PATH - system includes enabled when compiling C++.
410 addDirectoryList(Args, CmdArgs, "-cxx-isystem", "CPLUS_INCLUDE_PATH");
411 // OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC.
412 addDirectoryList(Args, CmdArgs, "-objc-isystem", "OBJC_INCLUDE_PATH");
413 // OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++.
414 addDirectoryList(Args, CmdArgs, "-objcxx-isystem", "OBJCPLUS_INCLUDE_PATH");
416 // Add C++ include arguments, if needed.
417 if (types::isCXX(Inputs[0].getType()))
418 getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
420 // Add system include arguments.
421 getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs);
424 /// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
426 // FIXME: tblgen this.
427 static const char *getARMTargetCPU(const ArgList &Args,
428 const llvm::Triple &Triple) {
429 // FIXME: Warn on inconsistent use of -mcpu and -march.
431 // If we have -mcpu=, use that.
432 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
433 return A->getValue(Args);
436 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
437 // Otherwise, if we have -march= choose the base CPU for that arch.
438 MArch = A->getValue(Args);
440 // Otherwise, use the Arch from the triple.
441 MArch = Triple.getArchName();
444 return llvm::StringSwitch<const char *>(MArch)
445 .Cases("armv2", "armv2a","arm2")
446 .Case("armv3", "arm6")
447 .Case("armv3m", "arm7m")
448 .Cases("armv4", "armv4t", "arm7tdmi")
449 .Cases("armv5", "armv5t", "arm10tdmi")
450 .Cases("armv5e", "armv5te", "arm1026ejs")
451 .Case("armv5tej", "arm926ej-s")
452 .Cases("armv6", "armv6k", "arm1136jf-s")
453 .Case("armv6j", "arm1136j-s")
454 .Cases("armv6z", "armv6zk", "arm1176jzf-s")
455 .Case("armv6t2", "arm1156t2-s")
456 .Cases("armv7", "armv7a", "armv7-a", "cortex-a8")
457 .Cases("armv7r", "armv7-r", "cortex-r4")
458 .Cases("armv7m", "armv7-m", "cortex-m3")
459 .Case("ep9312", "ep9312")
460 .Case("iwmmxt", "iwmmxt")
461 .Case("xscale", "xscale")
462 .Cases("armv6m", "armv6-m", "cortex-m0")
463 // If all else failed, return the most base CPU LLVM supports.
464 .Default("arm7tdmi");
467 /// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
470 // FIXME: This is redundant with -mcpu, why does LLVM use this.
471 // FIXME: tblgen this, or kill it!
472 static const char *getLLVMArchSuffixForARM(StringRef CPU) {
473 return llvm::StringSwitch<const char *>(CPU)
474 .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t")
475 .Cases("arm720t", "arm9", "arm9tdmi", "v4t")
476 .Cases("arm920", "arm920t", "arm922t", "v4t")
477 .Cases("arm940t", "ep9312","v4t")
478 .Cases("arm10tdmi", "arm1020t", "v5")
479 .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e")
480 .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e")
481 .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e")
482 .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6")
483 .Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6")
484 .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2")
485 .Cases("cortex-a8", "cortex-a9", "v7")
486 .Case("cortex-m3", "v7m")
487 .Case("cortex-m4", "v7m")
488 .Case("cortex-m0", "v6m")
492 // FIXME: Move to target hook.
493 static bool isSignedCharDefault(const llvm::Triple &Triple) {
494 switch (Triple.getArch()) {
498 case llvm::Triple::arm:
499 case llvm::Triple::ppc:
500 case llvm::Triple::ppc64:
501 if (Triple.isOSDarwin())
509 // FIXME: Centralize feature selection, defaulting shouldn't be also in the
511 static void addFPUArgs(const Driver &D, const Arg *A, const ArgList &Args,
512 ArgStringList &CmdArgs) {
513 StringRef FPU = A->getValue(Args);
515 // Set the target features based on the FPU.
516 if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
517 // Disable any default FPU support.
518 CmdArgs.push_back("-target-feature");
519 CmdArgs.push_back("-vfp2");
520 CmdArgs.push_back("-target-feature");
521 CmdArgs.push_back("-vfp3");
522 CmdArgs.push_back("-target-feature");
523 CmdArgs.push_back("-neon");
524 } else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
525 CmdArgs.push_back("-target-feature");
526 CmdArgs.push_back("+vfp3");
527 CmdArgs.push_back("-target-feature");
528 CmdArgs.push_back("+d16");
529 CmdArgs.push_back("-target-feature");
530 CmdArgs.push_back("-neon");
531 } else if (FPU == "vfp") {
532 CmdArgs.push_back("-target-feature");
533 CmdArgs.push_back("+vfp2");
534 CmdArgs.push_back("-target-feature");
535 CmdArgs.push_back("-neon");
536 } else if (FPU == "vfp3" || FPU == "vfpv3") {
537 CmdArgs.push_back("-target-feature");
538 CmdArgs.push_back("+vfp3");
539 CmdArgs.push_back("-target-feature");
540 CmdArgs.push_back("-neon");
541 } else if (FPU == "neon") {
542 CmdArgs.push_back("-target-feature");
543 CmdArgs.push_back("+neon");
545 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
549 static void addFPMathArgs(const Driver &D, const Arg *A, const ArgList &Args,
550 ArgStringList &CmdArgs, StringRef CPU) {
551 StringRef FPMath = A->getValue(Args);
553 // Set the target features based on the FPMath.
554 if (FPMath == "neon") {
555 CmdArgs.push_back("-target-feature");
556 CmdArgs.push_back("+neonfp");
558 if (CPU != "cortex-a8" && CPU != "cortex-a9" && CPU != "cortex-a9-mp")
559 D.Diag(diag::err_drv_invalid_feature) << "-mfpmath=neon" << CPU;
561 } else if (FPMath == "vfp" || FPMath == "vfp2" || FPMath == "vfp3" ||
563 CmdArgs.push_back("-target-feature");
564 CmdArgs.push_back("-neonfp");
566 // FIXME: Add warnings when disabling a feature not present for a given CPU.
568 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
571 // Select the float ABI as determined by -msoft-float, -mhard-float, and
573 static StringRef getARMFloatABI(const Driver &D,
575 const llvm::Triple &Triple) {
577 if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
578 options::OPT_mhard_float,
579 options::OPT_mfloat_abi_EQ)) {
580 if (A->getOption().matches(options::OPT_msoft_float))
582 else if (A->getOption().matches(options::OPT_mhard_float))
585 FloatABI = A->getValue(Args);
586 if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") {
587 D.Diag(diag::err_drv_invalid_mfloat_abi)
588 << A->getAsString(Args);
594 // If unspecified, choose the default based on the platform.
595 if (FloatABI.empty()) {
596 switch (Triple.getOS()) {
597 case llvm::Triple::Darwin:
598 case llvm::Triple::MacOSX:
599 case llvm::Triple::IOS: {
600 // Darwin defaults to "softfp" for v6 and v7.
602 // FIXME: Factor out an ARM class so we can cache the arch somewhere.
604 getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
605 if (ArchName.startswith("v6") || ArchName.startswith("v7"))
612 case llvm::Triple::Linux: {
613 if (Triple.getEnvironment() == llvm::Triple::GNUEABI) {
621 switch(Triple.getEnvironment()) {
622 case llvm::Triple::GNUEABI:
625 case llvm::Triple::EABI:
626 // EABI is always AAPCS, and if it was not marked 'hard', it's softfp
629 case llvm::Triple::ANDROIDEABI: {
631 getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
632 if (ArchName.startswith("v7"))
639 // Assume "soft", but warn the user we are guessing.
641 D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
651 void Clang::AddARMTargetArgs(const ArgList &Args,
652 ArgStringList &CmdArgs,
653 bool KernelOrKext) const {
654 const Driver &D = getToolChain().getDriver();
655 llvm::Triple Triple = getToolChain().getTriple();
657 // Select the ABI to use.
659 // FIXME: Support -meabi.
660 const char *ABIName = 0;
661 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
662 ABIName = A->getValue(Args);
664 // Select the default based on the platform.
665 switch(Triple.getEnvironment()) {
666 case llvm::Triple::ANDROIDEABI:
667 case llvm::Triple::GNUEABI:
668 ABIName = "aapcs-linux";
670 case llvm::Triple::EABI:
674 ABIName = "apcs-gnu";
677 CmdArgs.push_back("-target-abi");
678 CmdArgs.push_back(ABIName);
680 // Set the CPU based on -march= and -mcpu=.
681 CmdArgs.push_back("-target-cpu");
682 CmdArgs.push_back(getARMTargetCPU(Args, Triple));
684 // Determine floating point ABI from the options & target defaults.
685 StringRef FloatABI = getARMFloatABI(D, Args, Triple);
686 if (FloatABI == "soft") {
687 // Floating point operations and argument passing are soft.
689 // FIXME: This changes CPP defines, we need -target-soft-float.
690 CmdArgs.push_back("-msoft-float");
691 CmdArgs.push_back("-mfloat-abi");
692 CmdArgs.push_back("soft");
693 } else if (FloatABI == "softfp") {
694 // Floating point operations are hard, but argument passing is soft.
695 CmdArgs.push_back("-mfloat-abi");
696 CmdArgs.push_back("soft");
698 // Floating point operations and argument passing are hard.
699 assert(FloatABI == "hard" && "Invalid float abi!");
700 CmdArgs.push_back("-mfloat-abi");
701 CmdArgs.push_back("hard");
704 // Set appropriate target features for floating point mode.
706 // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these
707 // yet (it uses the -mfloat-abi and -msoft-float options above), and it is
708 // stripped out by the ARM target.
710 // Use software floating point operations?
711 if (FloatABI == "soft") {
712 CmdArgs.push_back("-target-feature");
713 CmdArgs.push_back("+soft-float");
716 // Use software floating point argument passing?
717 if (FloatABI != "hard") {
718 CmdArgs.push_back("-target-feature");
719 CmdArgs.push_back("+soft-float-abi");
723 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
724 addFPUArgs(D, A, Args, CmdArgs);
727 if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ))
728 addFPMathArgs(D, A, Args, CmdArgs, getARMTargetCPU(Args, Triple));
730 // Setting -msoft-float effectively disables NEON because of the GCC
731 // implementation, although the same isn't true of VFP or VFP3.
732 if (FloatABI == "soft") {
733 CmdArgs.push_back("-target-feature");
734 CmdArgs.push_back("-neon");
737 // Kernel code has more strict alignment requirements.
739 CmdArgs.push_back("-backend-option");
740 CmdArgs.push_back("-arm-long-calls");
742 CmdArgs.push_back("-backend-option");
743 CmdArgs.push_back("-arm-strict-align");
745 // The kext linker doesn't know how to deal with movw/movt.
746 CmdArgs.push_back("-backend-option");
747 CmdArgs.push_back("-arm-darwin-use-movt=0");
750 // Setting -mno-global-merge disables the codegen global merge pass. Setting
751 // -mglobal-merge has no effect as the pass is enabled by default.
752 if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge,
753 options::OPT_mno_global_merge)) {
754 if (A->getOption().matches(options::OPT_mno_global_merge))
755 CmdArgs.push_back("-mno-global-merge");
759 // Get default architecture.
760 static const char* getMipsArchFromCPU(StringRef CPUName) {
761 if (CPUName == "mips32" || CPUName == "mips32r2")
764 assert((CPUName == "mips64" || CPUName == "mips64r2") &&
765 "Unexpected cpu name.");
770 // Check that ArchName is a known Mips architecture name.
771 static bool checkMipsArchName(StringRef ArchName) {
772 return ArchName == "mips" ||
773 ArchName == "mipsel" ||
774 ArchName == "mips64" ||
775 ArchName == "mips64el";
778 // Get default target cpu.
779 static const char* getMipsCPUFromArch(StringRef ArchName) {
780 if (ArchName == "mips" || ArchName == "mipsel")
783 assert((ArchName == "mips64" || ArchName == "mips64el") &&
784 "Unexpected arch name.");
790 static const char* getMipsABIFromArch(StringRef ArchName) {
791 if (ArchName == "mips" || ArchName == "mipsel")
794 assert((ArchName == "mips64" || ArchName == "mips64el") &&
795 "Unexpected arch name.");
799 // Get CPU and ABI names. They are not independent
800 // so we have to calculate them together.
801 static void getMipsCPUAndABI(const ArgList &Args,
804 StringRef &ABIName) {
807 // Select target cpu and architecture.
808 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
809 CPUName = A->getValue(Args);
810 ArchName = getMipsArchFromCPU(CPUName);
813 ArchName = Args.MakeArgString(TC.getArchName());
814 if (!checkMipsArchName(ArchName))
815 TC.getDriver().Diag(diag::err_drv_invalid_arch_name) << ArchName;
817 CPUName = getMipsCPUFromArch(ArchName);
820 // Select the ABI to use.
821 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
822 ABIName = A->getValue(Args);
824 ABIName = getMipsABIFromArch(ArchName);
827 void Clang::AddMIPSTargetArgs(const ArgList &Args,
828 ArgStringList &CmdArgs) const {
829 const Driver &D = getToolChain().getDriver();
832 getMipsCPUAndABI(Args, getToolChain(), CPUName, ABIName);
834 CmdArgs.push_back("-target-cpu");
835 CmdArgs.push_back(CPUName.data());
837 CmdArgs.push_back("-target-abi");
838 CmdArgs.push_back(ABIName.data());
840 // Select the float ABI as determined by -msoft-float, -mhard-float,
843 if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
844 options::OPT_mhard_float,
845 options::OPT_mfloat_abi_EQ)) {
846 if (A->getOption().matches(options::OPT_msoft_float))
848 else if (A->getOption().matches(options::OPT_mhard_float))
851 FloatABI = A->getValue(Args);
852 if (FloatABI != "soft" && FloatABI != "single" && FloatABI != "hard") {
853 D.Diag(diag::err_drv_invalid_mfloat_abi)
854 << A->getAsString(Args);
860 // If unspecified, choose the default based on the platform.
861 if (FloatABI.empty()) {
862 // Assume "hard", because it's a default value used by gcc.
863 // When we start to recognize specific target MIPS processors,
864 // we will be able to select the default more correctly.
868 if (FloatABI == "soft") {
869 // Floating point operations and argument passing are soft.
870 CmdArgs.push_back("-msoft-float");
871 CmdArgs.push_back("-mfloat-abi");
872 CmdArgs.push_back("soft");
874 // FIXME: Note, this is a hack. We need to pass the selected float
875 // mode to the MipsTargetInfoBase to define appropriate macros there.
876 // Now it is the only method.
877 CmdArgs.push_back("-target-feature");
878 CmdArgs.push_back("+soft-float");
880 else if (FloatABI == "single") {
881 // Restrict the use of hardware floating-point
882 // instructions to 32-bit operations.
883 CmdArgs.push_back("-target-feature");
884 CmdArgs.push_back("+single-float");
887 // Floating point operations and argument passing are hard.
888 assert(FloatABI == "hard" && "Invalid float abi!");
889 CmdArgs.push_back("-mfloat-abi");
890 CmdArgs.push_back("hard");
894 void Clang::AddSparcTargetArgs(const ArgList &Args,
895 ArgStringList &CmdArgs) const {
896 const Driver &D = getToolChain().getDriver();
898 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
899 CmdArgs.push_back("-target-cpu");
900 CmdArgs.push_back(A->getValue(Args));
903 // Select the float ABI as determined by -msoft-float, -mhard-float, and
905 if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
906 options::OPT_mhard_float)) {
907 if (A->getOption().matches(options::OPT_msoft_float))
909 else if (A->getOption().matches(options::OPT_mhard_float))
913 // If unspecified, choose the default based on the platform.
914 if (FloatABI.empty()) {
915 switch (getToolChain().getTriple().getOS()) {
917 // Assume "soft", but warn the user we are guessing.
919 D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
924 if (FloatABI == "soft") {
925 // Floating point operations and argument passing are soft.
927 // FIXME: This changes CPP defines, we need -target-soft-float.
928 CmdArgs.push_back("-msoft-float");
929 CmdArgs.push_back("-target-feature");
930 CmdArgs.push_back("+soft-float");
932 assert(FloatABI == "hard" && "Invalid float abi!");
933 CmdArgs.push_back("-mhard-float");
937 void Clang::AddX86TargetArgs(const ArgList &Args,
938 ArgStringList &CmdArgs) const {
939 if (!Args.hasFlag(options::OPT_mred_zone,
940 options::OPT_mno_red_zone,
942 Args.hasArg(options::OPT_mkernel) ||
943 Args.hasArg(options::OPT_fapple_kext))
944 CmdArgs.push_back("-disable-red-zone");
946 if (Args.hasFlag(options::OPT_msoft_float,
947 options::OPT_mno_soft_float,
949 CmdArgs.push_back("-no-implicit-float");
951 const char *CPUName = 0;
952 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
953 if (StringRef(A->getValue(Args)) == "native") {
954 // FIXME: Reject attempts to use -march=native unless the target matches
957 // FIXME: We should also incorporate the detected target features for use
959 std::string CPU = llvm::sys::getHostCPUName();
961 CPUName = Args.MakeArgString(CPU);
963 CPUName = A->getValue(Args);
966 // Select the default CPU if none was given (or detection failed).
968 // FIXME: Need target hooks.
969 if (getToolChain().getTriple().isOSDarwin()) {
970 if (getToolChain().getArch() == llvm::Triple::x86_64)
972 else if (getToolChain().getArch() == llvm::Triple::x86)
974 } else if (getToolChain().getOS().startswith("haiku")) {
975 if (getToolChain().getArch() == llvm::Triple::x86_64)
977 else if (getToolChain().getArch() == llvm::Triple::x86)
979 } else if (getToolChain().getOS().startswith("openbsd")) {
980 if (getToolChain().getArch() == llvm::Triple::x86_64)
982 else if (getToolChain().getArch() == llvm::Triple::x86)
984 } else if (getToolChain().getOS().startswith("freebsd")) {
985 if (getToolChain().getArch() == llvm::Triple::x86_64)
987 else if (getToolChain().getArch() == llvm::Triple::x86)
989 } else if (getToolChain().getOS().startswith("netbsd")) {
990 if (getToolChain().getArch() == llvm::Triple::x86_64)
992 else if (getToolChain().getArch() == llvm::Triple::x86)
995 if (getToolChain().getArch() == llvm::Triple::x86_64)
997 else if (getToolChain().getArch() == llvm::Triple::x86)
998 CPUName = "pentium4";
1003 CmdArgs.push_back("-target-cpu");
1004 CmdArgs.push_back(CPUName);
1007 // The required algorithm here is slightly strange: the options are applied
1008 // in order (so -mno-sse -msse2 disables SSE3), but any option that gets
1009 // directly overridden later is ignored (so "-mno-sse -msse2 -mno-sse2 -msse"
1010 // is equivalent to "-mno-sse2 -msse"). The -cc1 handling deals with the
1011 // former correctly, but not the latter; handle directly-overridden
1013 llvm::StringMap<unsigned> PrevFeature;
1014 std::vector<const char*> Features;
1015 for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group),
1016 ie = Args.filtered_end(); it != ie; ++it) {
1017 StringRef Name = (*it)->getOption().getName();
1021 assert(Name.startswith("-m") && "Invalid feature name.");
1022 Name = Name.substr(2);
1024 bool IsNegative = Name.startswith("no-");
1026 Name = Name.substr(3);
1028 unsigned& Prev = PrevFeature[Name];
1030 Features[Prev - 1] = 0;
1031 Prev = Features.size() + 1;
1032 Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
1034 for (unsigned i = 0; i < Features.size(); i++) {
1036 CmdArgs.push_back("-target-feature");
1037 CmdArgs.push_back(Features[i]);
1042 static Arg* getLastHexagonArchArg (const ArgList &Args)
1046 for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
1048 if ((*it)->getOption().matches(options::OPT_march_EQ) ||
1049 (*it)->getOption().matches(options::OPT_mcpu_EQ)) {
1053 else if ((*it)->getOption().matches(options::OPT_m_Joined)){
1054 StringRef Value = (*it)->getValue(Args,0);
1055 if (Value.startswith("v")) {
1064 static StringRef getHexagonTargetCPU(const ArgList &Args)
1067 llvm::StringRef WhichHexagon;
1069 // Select the default CPU (v4) if none was given or detection failed.
1070 if ((A = getLastHexagonArchArg (Args))) {
1071 WhichHexagon = A->getValue(Args);
1072 if (WhichHexagon == "")
1075 return WhichHexagon;
1081 void Clang::AddHexagonTargetArgs(const ArgList &Args,
1082 ArgStringList &CmdArgs) const {
1083 llvm::Triple Triple = getToolChain().getTriple();
1085 CmdArgs.push_back("-target-cpu");
1086 CmdArgs.push_back(Args.MakeArgString("hexagon" + getHexagonTargetCPU(Args)));
1087 CmdArgs.push_back("-fno-signed-char");
1088 CmdArgs.push_back("-nobuiltininc");
1090 if (Args.hasArg(options::OPT_mqdsp6_compat))
1091 CmdArgs.push_back("-mqdsp6-compat");
1093 if (Arg *A = Args.getLastArg(options::OPT_G,
1094 options::OPT_msmall_data_threshold_EQ)) {
1095 std::string SmallDataThreshold="-small-data-threshold=";
1096 SmallDataThreshold += A->getValue(Args);
1097 CmdArgs.push_back ("-mllvm");
1098 CmdArgs.push_back(Args.MakeArgString(SmallDataThreshold));
1102 CmdArgs.push_back ("-mllvm");
1103 CmdArgs.push_back ("-machine-sink-split=0");
1107 shouldUseExceptionTablesForObjCExceptions(unsigned objcABIVersion,
1108 const llvm::Triple &Triple) {
1109 // We use the zero-cost exception tables for Objective-C if the non-fragile
1110 // ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and
1113 if (objcABIVersion >= 2)
1116 if (!Triple.isOSDarwin())
1119 return (!Triple.isMacOSXVersionLT(10,5) &&
1120 (Triple.getArch() == llvm::Triple::x86_64 ||
1121 Triple.getArch() == llvm::Triple::arm));
1124 /// addExceptionArgs - Adds exception related arguments to the driver command
1125 /// arguments. There's a master flag, -fexceptions and also language specific
1126 /// flags to enable/disable C++ and Objective-C exceptions.
1127 /// This makes it possible to for example disable C++ exceptions but enable
1128 /// Objective-C exceptions.
1129 static void addExceptionArgs(const ArgList &Args, types::ID InputType,
1130 const llvm::Triple &Triple,
1132 unsigned objcABIVersion,
1133 ArgStringList &CmdArgs) {
1135 // -mkernel and -fapple-kext imply no exceptions, so claim exception related
1136 // arguments now to avoid warnings about unused arguments.
1137 Args.ClaimAllArgs(options::OPT_fexceptions);
1138 Args.ClaimAllArgs(options::OPT_fno_exceptions);
1139 Args.ClaimAllArgs(options::OPT_fobjc_exceptions);
1140 Args.ClaimAllArgs(options::OPT_fno_objc_exceptions);
1141 Args.ClaimAllArgs(options::OPT_fcxx_exceptions);
1142 Args.ClaimAllArgs(options::OPT_fno_cxx_exceptions);
1146 // Exceptions are enabled by default.
1147 bool ExceptionsEnabled = true;
1149 // This keeps track of whether exceptions were explicitly turned on or off.
1150 bool DidHaveExplicitExceptionFlag = false;
1152 if (Arg *A = Args.getLastArg(options::OPT_fexceptions,
1153 options::OPT_fno_exceptions)) {
1154 if (A->getOption().matches(options::OPT_fexceptions))
1155 ExceptionsEnabled = true;
1157 ExceptionsEnabled = false;
1159 DidHaveExplicitExceptionFlag = true;
1162 bool ShouldUseExceptionTables = false;
1164 // Exception tables and cleanups can be enabled with -fexceptions even if the
1165 // language itself doesn't support exceptions.
1166 if (ExceptionsEnabled && DidHaveExplicitExceptionFlag)
1167 ShouldUseExceptionTables = true;
1169 // Obj-C exceptions are enabled by default, regardless of -fexceptions. This
1170 // is not necessarily sensible, but follows GCC.
1171 if (types::isObjC(InputType) &&
1172 Args.hasFlag(options::OPT_fobjc_exceptions,
1173 options::OPT_fno_objc_exceptions,
1175 CmdArgs.push_back("-fobjc-exceptions");
1177 ShouldUseExceptionTables |=
1178 shouldUseExceptionTablesForObjCExceptions(objcABIVersion, Triple);
1181 if (types::isCXX(InputType)) {
1182 bool CXXExceptionsEnabled = ExceptionsEnabled;
1184 if (Arg *A = Args.getLastArg(options::OPT_fcxx_exceptions,
1185 options::OPT_fno_cxx_exceptions,
1186 options::OPT_fexceptions,
1187 options::OPT_fno_exceptions)) {
1188 if (A->getOption().matches(options::OPT_fcxx_exceptions))
1189 CXXExceptionsEnabled = true;
1190 else if (A->getOption().matches(options::OPT_fno_cxx_exceptions))
1191 CXXExceptionsEnabled = false;
1194 if (CXXExceptionsEnabled) {
1195 CmdArgs.push_back("-fcxx-exceptions");
1197 ShouldUseExceptionTables = true;
1201 if (ShouldUseExceptionTables)
1202 CmdArgs.push_back("-fexceptions");
1205 static bool ShouldDisableCFI(const ArgList &Args,
1206 const ToolChain &TC) {
1207 bool Default = true;
1208 if (TC.getTriple().isOSDarwin()) {
1209 // The native darwin assembler doesn't support cfi directives, so
1210 // we disable them if we think the .s file will be passed to it.
1211 Default = Args.hasFlag(options::OPT_integrated_as,
1212 options::OPT_no_integrated_as,
1213 TC.IsIntegratedAssemblerDefault());
1215 return !Args.hasFlag(options::OPT_fdwarf2_cfi_asm,
1216 options::OPT_fno_dwarf2_cfi_asm,
1220 static bool ShouldDisableDwarfDirectory(const ArgList &Args,
1221 const ToolChain &TC) {
1222 bool IsIADefault = TC.IsIntegratedAssemblerDefault();
1223 bool UseIntegratedAs = Args.hasFlag(options::OPT_integrated_as,
1224 options::OPT_no_integrated_as,
1226 bool UseDwarfDirectory = Args.hasFlag(options::OPT_fdwarf_directory_asm,
1227 options::OPT_fno_dwarf_directory_asm,
1229 return !UseDwarfDirectory;
1232 /// \brief Check whether the given input tree contains any compilation actions.
1233 static bool ContainsCompileAction(const Action *A) {
1234 if (isa<CompileJobAction>(A))
1237 for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it)
1238 if (ContainsCompileAction(*it))
1244 /// \brief Check if -relax-all should be passed to the internal assembler.
1245 /// This is done by default when compiling non-assembler source with -O0.
1246 static bool UseRelaxAll(Compilation &C, const ArgList &Args) {
1247 bool RelaxDefault = true;
1249 if (Arg *A = Args.getLastArg(options::OPT_O_Group))
1250 RelaxDefault = A->getOption().matches(options::OPT_O0);
1253 RelaxDefault = false;
1254 for (ActionList::const_iterator it = C.getActions().begin(),
1255 ie = C.getActions().end(); it != ie; ++it) {
1256 if (ContainsCompileAction(*it)) {
1257 RelaxDefault = true;
1263 return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all,
1267 /// If AddressSanitizer is enabled, add appropriate linker flags (Linux).
1268 /// This needs to be called before we add the C run-time (malloc, etc).
1269 static void addAsanRTLinux(const ToolChain &TC, const ArgList &Args,
1270 ArgStringList &CmdArgs) {
1271 // Add asan linker flags when linking an executable, but not a shared object.
1272 if (Args.hasArg(options::OPT_shared) ||
1273 !Args.hasFlag(options::OPT_faddress_sanitizer,
1274 options::OPT_fno_address_sanitizer, false))
1277 // LibAsan is "libclang_rt.asan-<ArchName>.a" in the Linux library resource
1279 SmallString<128> LibAsan(TC.getDriver().ResourceDir);
1280 llvm::sys::path::append(LibAsan, "lib", "linux",
1281 (Twine("libclang_rt.asan-") +
1282 TC.getArchName() + ".a"));
1283 CmdArgs.push_back(Args.MakeArgString(LibAsan));
1284 CmdArgs.push_back("-lpthread");
1285 CmdArgs.push_back("-ldl");
1286 CmdArgs.push_back("-export-dynamic");
1289 static bool shouldUseFramePointer(const ArgList &Args,
1290 const llvm::Triple &Triple) {
1291 if (Arg *A = Args.getLastArg(options::OPT_fno_omit_frame_pointer,
1292 options::OPT_fomit_frame_pointer))
1293 return A->getOption().matches(options::OPT_fno_omit_frame_pointer);
1295 // Don't use a frame pointer on linux x86 and x86_64 if optimizing.
1296 if ((Triple.getArch() == llvm::Triple::x86_64 ||
1297 Triple.getArch() == llvm::Triple::x86) &&
1298 Triple.getOS() == llvm::Triple::Linux) {
1299 if (Arg *A = Args.getLastArg(options::OPT_O_Group))
1300 if (!A->getOption().matches(options::OPT_O0))
1307 void Clang::ConstructJob(Compilation &C, const JobAction &JA,
1308 const InputInfo &Output,
1309 const InputInfoList &Inputs,
1310 const ArgList &Args,
1311 const char *LinkingOutput) const {
1312 bool KernelOrKext = Args.hasArg(options::OPT_mkernel,
1313 options::OPT_fapple_kext);
1314 const Driver &D = getToolChain().getDriver();
1315 ArgStringList CmdArgs;
1317 assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
1319 // Invoke ourselves in -cc1 mode.
1321 // FIXME: Implement custom jobs for internal actions.
1322 CmdArgs.push_back("-cc1");
1324 // Add the "effective" target triple.
1325 CmdArgs.push_back("-triple");
1326 std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args);
1327 CmdArgs.push_back(Args.MakeArgString(TripleStr));
1329 // Select the appropriate action.
1330 bool IsRewriter = false;
1331 bool IsModernRewriter = false;
1333 if (isa<AnalyzeJobAction>(JA)) {
1334 assert(JA.getType() == types::TY_Plist && "Invalid output type.");
1335 CmdArgs.push_back("-analyze");
1336 } else if (isa<MigrateJobAction>(JA)) {
1337 CmdArgs.push_back("-migrate");
1338 } else if (isa<PreprocessJobAction>(JA)) {
1339 if (Output.getType() == types::TY_Dependencies)
1340 CmdArgs.push_back("-Eonly");
1342 CmdArgs.push_back("-E");
1343 } else if (isa<AssembleJobAction>(JA)) {
1344 CmdArgs.push_back("-emit-obj");
1346 if (UseRelaxAll(C, Args))
1347 CmdArgs.push_back("-mrelax-all");
1349 // When using an integrated assembler, translate -Wa, and -Xassembler
1351 for (arg_iterator it = Args.filtered_begin(options::OPT_Wa_COMMA,
1352 options::OPT_Xassembler),
1353 ie = Args.filtered_end(); it != ie; ++it) {
1357 for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) {
1358 StringRef Value = A->getValue(Args, i);
1360 if (Value == "-force_cpusubtype_ALL") {
1361 // Do nothing, this is the default and we don't support anything else.
1362 } else if (Value == "-L") {
1363 CmdArgs.push_back("-msave-temp-labels");
1364 } else if (Value == "--fatal-warnings") {
1365 CmdArgs.push_back("-mllvm");
1366 CmdArgs.push_back("-fatal-assembler-warnings");
1367 } else if (Value == "--noexecstack") {
1368 CmdArgs.push_back("-mnoexecstack");
1370 D.Diag(diag::err_drv_unsupported_option_argument)
1371 << A->getOption().getName() << Value;
1376 // Also ignore explicit -force_cpusubtype_ALL option.
1377 (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
1378 } else if (isa<PrecompileJobAction>(JA)) {
1379 // Use PCH if the user requested it.
1380 bool UsePCH = D.CCCUsePCH;
1383 CmdArgs.push_back("-emit-pch");
1385 CmdArgs.push_back("-emit-pth");
1387 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool.");
1389 if (JA.getType() == types::TY_Nothing) {
1390 CmdArgs.push_back("-fsyntax-only");
1391 } else if (JA.getType() == types::TY_LLVM_IR ||
1392 JA.getType() == types::TY_LTO_IR) {
1393 CmdArgs.push_back("-emit-llvm");
1394 } else if (JA.getType() == types::TY_LLVM_BC ||
1395 JA.getType() == types::TY_LTO_BC) {
1396 CmdArgs.push_back("-emit-llvm-bc");
1397 } else if (JA.getType() == types::TY_PP_Asm) {
1398 CmdArgs.push_back("-S");
1399 } else if (JA.getType() == types::TY_AST) {
1400 CmdArgs.push_back("-emit-pch");
1401 } else if (JA.getType() == types::TY_RewrittenObjC) {
1402 CmdArgs.push_back("-rewrite-objc");
1403 IsModernRewriter = true;
1404 } else if (JA.getType() == types::TY_RewrittenLegacyObjC) {
1405 CmdArgs.push_back("-rewrite-objc");
1408 assert(JA.getType() == types::TY_PP_Asm &&
1409 "Unexpected output type!");
1413 // The make clang go fast button.
1414 CmdArgs.push_back("-disable-free");
1416 // Disable the verification pass in -asserts builds.
1418 CmdArgs.push_back("-disable-llvm-verifier");
1421 // Set the main file name, so that debug info works even with
1423 CmdArgs.push_back("-main-file-name");
1424 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
1426 // Some flags which affect the language (via preprocessor
1427 // defines). See darwin::CC1::AddCPPArgs.
1428 if (Args.hasArg(options::OPT_static))
1429 CmdArgs.push_back("-static-define");
1431 if (isa<AnalyzeJobAction>(JA)) {
1432 // Enable region store model by default.
1433 CmdArgs.push_back("-analyzer-store=region");
1435 // Treat blocks as analysis entry points.
1436 CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks");
1438 CmdArgs.push_back("-analyzer-eagerly-assume");
1440 CmdArgs.push_back("-analyzer-ipa=inlining");
1442 // Add default argument set.
1443 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
1444 CmdArgs.push_back("-analyzer-checker=core");
1446 if (getToolChain().getTriple().getOS() != llvm::Triple::Win32)
1447 CmdArgs.push_back("-analyzer-checker=unix");
1449 if (getToolChain().getTriple().getVendor() == llvm::Triple::Apple)
1450 CmdArgs.push_back("-analyzer-checker=osx");
1452 CmdArgs.push_back("-analyzer-checker=deadcode");
1454 // Enable the following experimental checkers for testing.
1455 CmdArgs.push_back("-analyzer-checker=security.insecureAPI.UncheckedReturn");
1456 CmdArgs.push_back("-analyzer-checker=security.insecureAPI.getpw");
1457 CmdArgs.push_back("-analyzer-checker=security.insecureAPI.gets");
1458 CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mktemp");
1459 CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mkstemp");
1460 CmdArgs.push_back("-analyzer-checker=security.insecureAPI.vfork");
1463 // Set the output format. The default is plist, for (lame) historical
1465 CmdArgs.push_back("-analyzer-output");
1466 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output))
1467 CmdArgs.push_back(A->getValue(Args));
1469 CmdArgs.push_back("plist");
1471 // Disable the presentation of standard compiler warnings when
1472 // using --analyze. We only want to show static analyzer diagnostics
1473 // or frontend errors.
1474 CmdArgs.push_back("-w");
1476 // Add -Xanalyzer arguments when running as analyzer.
1477 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer);
1480 CheckCodeGenerationOptions(D, Args);
1482 // Perform argument translation for LLVM backend. This
1483 // takes some care in reconciling with llvm-gcc. The
1484 // issue is that llvm-gcc translates these options based on
1485 // the values in cc1, whereas we are processing based on
1486 // the driver arguments.
1488 // This comes from the default translation the driver + cc1
1489 // would do to enable flag_pic.
1491 // FIXME: Centralize this code.
1492 Arg *LastPICArg = 0;
1493 for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I) {
1494 if ((*I)->getOption().matches(options::OPT_fPIC) ||
1495 (*I)->getOption().matches(options::OPT_fno_PIC) ||
1496 (*I)->getOption().matches(options::OPT_fpic) ||
1497 (*I)->getOption().matches(options::OPT_fno_pic) ||
1498 (*I)->getOption().matches(options::OPT_fPIE) ||
1499 (*I)->getOption().matches(options::OPT_fno_PIE) ||
1500 (*I)->getOption().matches(options::OPT_fpie) ||
1501 (*I)->getOption().matches(options::OPT_fno_pie)) {
1506 bool PICDisabled = false;
1507 bool PICEnabled = false;
1508 bool PICForPIE = false;
1510 PICForPIE = (LastPICArg->getOption().matches(options::OPT_fPIE) ||
1511 LastPICArg->getOption().matches(options::OPT_fpie));
1512 PICEnabled = (PICForPIE ||
1513 LastPICArg->getOption().matches(options::OPT_fPIC) ||
1514 LastPICArg->getOption().matches(options::OPT_fpic));
1515 PICDisabled = !PICEnabled;
1517 // Note that these flags are trump-cards. Regardless of the order w.r.t. the
1518 // PIC or PIE options above, if these show up, PIC is disabled.
1519 if (Args.hasArg(options::OPT_mkernel))
1521 if (Args.hasArg(options::OPT_static))
1523 bool DynamicNoPIC = Args.hasArg(options::OPT_mdynamic_no_pic);
1525 // Select the relocation model.
1526 const char *Model = getToolChain().GetForcedPicModel();
1529 Model = "dynamic-no-pic";
1530 else if (PICDisabled)
1532 else if (PICEnabled)
1535 Model = getToolChain().GetDefaultRelocationModel();
1537 StringRef ModelStr = Model ? Model : "";
1538 if (Model && ModelStr != "pic") {
1539 CmdArgs.push_back("-mrelocation-model");
1540 CmdArgs.push_back(Model);
1543 // Infer the __PIC__ and __PIE__ values.
1544 if (ModelStr == "pic" && PICForPIE) {
1545 CmdArgs.push_back("-pie-level");
1546 CmdArgs.push_back((LastPICArg &&
1547 LastPICArg->getOption().matches(options::OPT_fPIE)) ?
1549 } else if (ModelStr == "pic" || ModelStr == "dynamic-no-pic") {
1550 CmdArgs.push_back("-pic-level");
1551 CmdArgs.push_back(((ModelStr != "dynamic-no-pic" && LastPICArg &&
1552 LastPICArg->getOption().matches(options::OPT_fPIC)) ||
1553 getToolChain().getTriple().isOSDarwin()) ? "2" : "1");
1556 if (!Args.hasFlag(options::OPT_fmerge_all_constants,
1557 options::OPT_fno_merge_all_constants))
1558 CmdArgs.push_back("-fno-merge-all-constants");
1560 // LLVM Code Generator Options.
1562 if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) {
1563 CmdArgs.push_back("-mregparm");
1564 CmdArgs.push_back(A->getValue(Args));
1567 if (Args.hasFlag(options::OPT_mrtd, options::OPT_mno_rtd, false))
1568 CmdArgs.push_back("-mrtd");
1570 if (shouldUseFramePointer(Args, getToolChain().getTriple()))
1571 CmdArgs.push_back("-mdisable-fp-elim");
1572 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss,
1573 options::OPT_fno_zero_initialized_in_bss))
1574 CmdArgs.push_back("-mno-zero-initialized-in-bss");
1575 if (!Args.hasFlag(options::OPT_fstrict_aliasing,
1576 options::OPT_fno_strict_aliasing,
1577 getToolChain().IsStrictAliasingDefault()))
1578 CmdArgs.push_back("-relaxed-aliasing");
1579 if (Args.hasFlag(options::OPT_fstrict_enums, options::OPT_fno_strict_enums,
1581 CmdArgs.push_back("-fstrict-enums");
1582 if (!Args.hasFlag(options::OPT_foptimize_sibling_calls,
1583 options::OPT_fno_optimize_sibling_calls))
1584 CmdArgs.push_back("-mdisable-tail-calls");
1586 // Handle various floating point optimization flags, mapping them to the
1587 // appropriate LLVM code generation flags. The pattern for all of these is to
1588 // default off the codegen optimizations, and if any flag enables them and no
1589 // flag disables them after the flag enabling them, enable the codegen
1590 // optimization. This is complicated by several "umbrella" flags.
1591 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1592 options::OPT_ffinite_math_only,
1593 options::OPT_fno_finite_math_only,
1594 options::OPT_fhonor_infinities,
1595 options::OPT_fno_honor_infinities))
1596 if (A->getOption().getID() != options::OPT_fno_finite_math_only &&
1597 A->getOption().getID() != options::OPT_fhonor_infinities)
1598 CmdArgs.push_back("-menable-no-infs");
1599 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1600 options::OPT_ffinite_math_only,
1601 options::OPT_fno_finite_math_only,
1602 options::OPT_fhonor_nans,
1603 options::OPT_fno_honor_nans))
1604 if (A->getOption().getID() != options::OPT_fno_finite_math_only &&
1605 A->getOption().getID() != options::OPT_fhonor_nans)
1606 CmdArgs.push_back("-menable-no-nans");
1608 // -fno-math-errno is default.
1609 bool MathErrno = false;
1610 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1611 options::OPT_fmath_errno,
1612 options::OPT_fno_math_errno)) {
1613 if (A->getOption().getID() == options::OPT_fmath_errno) {
1614 CmdArgs.push_back("-fmath-errno");
1619 // There are several flags which require disabling very specific
1620 // optimizations. Any of these being disabled forces us to turn off the
1621 // entire set of LLVM optimizations, so collect them through all the flag
1623 bool AssociativeMath = false;
1624 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1625 options::OPT_funsafe_math_optimizations,
1626 options::OPT_fno_unsafe_math_optimizations,
1627 options::OPT_fassociative_math,
1628 options::OPT_fno_associative_math))
1629 if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
1630 A->getOption().getID() != options::OPT_fno_associative_math)
1631 AssociativeMath = true;
1632 bool ReciprocalMath = false;
1633 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1634 options::OPT_funsafe_math_optimizations,
1635 options::OPT_fno_unsafe_math_optimizations,
1636 options::OPT_freciprocal_math,
1637 options::OPT_fno_reciprocal_math))
1638 if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
1639 A->getOption().getID() != options::OPT_fno_reciprocal_math)
1640 ReciprocalMath = true;
1641 bool SignedZeros = true;
1642 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1643 options::OPT_funsafe_math_optimizations,
1644 options::OPT_fno_unsafe_math_optimizations,
1645 options::OPT_fsigned_zeros,
1646 options::OPT_fno_signed_zeros))
1647 if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
1648 A->getOption().getID() != options::OPT_fsigned_zeros)
1649 SignedZeros = false;
1650 bool TrappingMath = true;
1651 if (Arg *A = Args.getLastArg(options::OPT_ffast_math,
1652 options::OPT_funsafe_math_optimizations,
1653 options::OPT_fno_unsafe_math_optimizations,
1654 options::OPT_ftrapping_math,
1655 options::OPT_fno_trapping_math))
1656 if (A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
1657 A->getOption().getID() != options::OPT_ftrapping_math)
1658 TrappingMath = false;
1659 if (!MathErrno && AssociativeMath && ReciprocalMath && !SignedZeros &&
1661 CmdArgs.push_back("-menable-unsafe-fp-math");
1663 // We separately look for the '-ffast-math' flag, and if we find it, tell the
1664 // frontend to provide the appropriate preprocessor macros. This is distinct
1665 // from enabling any optimizations as it induces a language change which must
1666 // survive serialization and deserialization, etc.
1667 if (Args.hasArg(options::OPT_ffast_math))
1668 CmdArgs.push_back("-ffast-math");
1670 // Decide whether to use verbose asm. Verbose assembly is the default on
1671 // toolchains which have the integrated assembler on by default.
1672 bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault();
1673 if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
1674 IsVerboseAsmDefault) ||
1675 Args.hasArg(options::OPT_dA))
1676 CmdArgs.push_back("-masm-verbose");
1678 if (Args.hasArg(options::OPT_fdebug_pass_structure)) {
1679 CmdArgs.push_back("-mdebug-pass");
1680 CmdArgs.push_back("Structure");
1682 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) {
1683 CmdArgs.push_back("-mdebug-pass");
1684 CmdArgs.push_back("Arguments");
1687 // Enable -mconstructor-aliases except on darwin, where we have to
1688 // work around a linker bug; see <rdar://problem/7651567>.
1689 if (!getToolChain().getTriple().isOSDarwin())
1690 CmdArgs.push_back("-mconstructor-aliases");
1692 // Darwin's kernel doesn't support guard variables; just die if we
1694 if (KernelOrKext && getToolChain().getTriple().isOSDarwin())
1695 CmdArgs.push_back("-fforbid-guard-variables");
1697 if (Args.hasArg(options::OPT_mms_bitfields)) {
1698 CmdArgs.push_back("-mms-bitfields");
1701 // This is a coarse approximation of what llvm-gcc actually does, both
1702 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
1703 // complicated ways.
1704 bool AsynchronousUnwindTables =
1705 Args.hasFlag(options::OPT_fasynchronous_unwind_tables,
1706 options::OPT_fno_asynchronous_unwind_tables,
1707 getToolChain().IsUnwindTablesDefault() &&
1709 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
1710 AsynchronousUnwindTables))
1711 CmdArgs.push_back("-munwind-tables");
1713 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
1714 CmdArgs.push_back("-mlimit-float-precision");
1715 CmdArgs.push_back(A->getValue(Args));
1718 // FIXME: Handle -mtune=.
1719 (void) Args.hasArg(options::OPT_mtune_EQ);
1721 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
1722 CmdArgs.push_back("-mcode-model");
1723 CmdArgs.push_back(A->getValue(Args));
1726 // Add target specific cpu and features flags.
1727 switch(getToolChain().getTriple().getArch()) {
1731 case llvm::Triple::arm:
1732 case llvm::Triple::thumb:
1733 AddARMTargetArgs(Args, CmdArgs, KernelOrKext);
1736 case llvm::Triple::mips:
1737 case llvm::Triple::mipsel:
1738 case llvm::Triple::mips64:
1739 case llvm::Triple::mips64el:
1740 AddMIPSTargetArgs(Args, CmdArgs);
1743 case llvm::Triple::sparc:
1744 AddSparcTargetArgs(Args, CmdArgs);
1747 case llvm::Triple::x86:
1748 case llvm::Triple::x86_64:
1749 AddX86TargetArgs(Args, CmdArgs);
1752 case llvm::Triple::hexagon:
1753 AddHexagonTargetArgs(Args, CmdArgs);
1759 // Pass the linker version in use.
1760 if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
1761 CmdArgs.push_back("-target-linker-version");
1762 CmdArgs.push_back(A->getValue(Args));
1765 // -mno-omit-leaf-frame-pointer is the default on Darwin.
1766 if (Args.hasFlag(options::OPT_momit_leaf_frame_pointer,
1767 options::OPT_mno_omit_leaf_frame_pointer,
1768 !getToolChain().getTriple().isOSDarwin()))
1769 CmdArgs.push_back("-momit-leaf-frame-pointer");
1771 // Explicitly error on some things we know we don't support and can't just
1773 types::ID InputType = Inputs[0].getType();
1774 if (!Args.hasArg(options::OPT_fallow_unsupported)) {
1776 if (types::isCXX(InputType) &&
1777 getToolChain().getTriple().isOSDarwin() &&
1778 getToolChain().getTriple().getArch() == llvm::Triple::x86) {
1779 if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)) ||
1780 (Unsupported = Args.getLastArg(options::OPT_mkernel)))
1781 D.Diag(diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
1782 << Unsupported->getOption().getName();
1786 Args.AddAllArgs(CmdArgs, options::OPT_v);
1787 Args.AddLastArg(CmdArgs, options::OPT_H);
1788 if (D.CCPrintHeaders && !D.CCGenDiagnostics) {
1789 CmdArgs.push_back("-header-include-file");
1790 CmdArgs.push_back(D.CCPrintHeadersFilename ?
1791 D.CCPrintHeadersFilename : "-");
1793 Args.AddLastArg(CmdArgs, options::OPT_P);
1794 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);
1796 if (D.CCLogDiagnostics && !D.CCGenDiagnostics) {
1797 CmdArgs.push_back("-diagnostic-log-file");
1798 CmdArgs.push_back(D.CCLogDiagnosticsFilename ?
1799 D.CCLogDiagnosticsFilename : "-");
1802 // Special case debug options to only pass -g to clang. This is
1804 Args.ClaimAllArgs(options::OPT_g_Group);
1805 if (Arg *A = Args.getLastArg(options::OPT_g_Group))
1806 if (!A->getOption().matches(options::OPT_g0)) {
1807 CmdArgs.push_back("-g");
1810 Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections);
1811 Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections);
1813 Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);
1815 if (Args.hasArg(options::OPT_ftest_coverage) ||
1816 Args.hasArg(options::OPT_coverage))
1817 CmdArgs.push_back("-femit-coverage-notes");
1818 if (Args.hasArg(options::OPT_fprofile_arcs) ||
1819 Args.hasArg(options::OPT_coverage))
1820 CmdArgs.push_back("-femit-coverage-data");
1822 if (C.getArgs().hasArg(options::OPT_c) ||
1823 C.getArgs().hasArg(options::OPT_S)) {
1824 if (Output.isFilename()) {
1825 CmdArgs.push_back("-coverage-file");
1826 CmdArgs.push_back(Args.MakeArgString(Output.getFilename()));
1830 // Pass options for controlling the default header search paths.
1831 if (Args.hasArg(options::OPT_nostdinc)) {
1832 CmdArgs.push_back("-nostdsysteminc");
1833 CmdArgs.push_back("-nobuiltininc");
1835 if (Args.hasArg(options::OPT_nostdlibinc))
1836 CmdArgs.push_back("-nostdsysteminc");
1837 Args.AddLastArg(CmdArgs, options::OPT_nostdincxx);
1838 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc);
1841 // Pass the path to compiler resource files.
1842 CmdArgs.push_back("-resource-dir");
1843 CmdArgs.push_back(D.ResourceDir.c_str());
1845 Args.AddLastArg(CmdArgs, options::OPT_working_directory);
1847 bool ARCMTEnabled = false;
1848 if (!Args.hasArg(options::OPT_fno_objc_arc)) {
1849 if (const Arg *A = Args.getLastArg(options::OPT_ccc_arcmt_check,
1850 options::OPT_ccc_arcmt_modify,
1851 options::OPT_ccc_arcmt_migrate)) {
1852 ARCMTEnabled = true;
1853 switch (A->getOption().getID()) {
1855 llvm_unreachable("missed a case");
1856 case options::OPT_ccc_arcmt_check:
1857 CmdArgs.push_back("-arcmt-check");
1859 case options::OPT_ccc_arcmt_modify:
1860 CmdArgs.push_back("-arcmt-modify");
1862 case options::OPT_ccc_arcmt_migrate:
1863 CmdArgs.push_back("-arcmt-migrate");
1864 CmdArgs.push_back("-mt-migrate-directory");
1865 CmdArgs.push_back(A->getValue(Args));
1867 Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_report_output);
1868 Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_emit_arc_errors);
1874 if (const Arg *A = Args.getLastArg(options::OPT_ccc_objcmt_migrate)) {
1876 D.Diag(diag::err_drv_argument_not_allowed_with)
1877 << A->getAsString(Args) << "-ccc-arcmt-migrate";
1879 CmdArgs.push_back("-mt-migrate-directory");
1880 CmdArgs.push_back(A->getValue(Args));
1882 if (!Args.hasArg(options::OPT_objcmt_migrate_literals,
1883 options::OPT_objcmt_migrate_subscripting)) {
1884 // None specified, means enable them all.
1885 CmdArgs.push_back("-objcmt-migrate-literals");
1886 CmdArgs.push_back("-objcmt-migrate-subscripting");
1888 Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals);
1889 Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting);
1893 // Add preprocessing options like -I, -D, etc. if we are using the
1896 // FIXME: Support -fpreprocessed
1897 if (types::getPreprocessedType(InputType) != types::TY_INVALID)
1898 AddPreprocessingOptions(C, D, Args, CmdArgs, Output, Inputs);
1900 // Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes
1901 // that "The compiler can only warn and ignore the option if not recognized".
1902 // When building with ccache, it will pass -D options to clang even on
1903 // preprocessed inputs and configure concludes that -fPIC is not supported.
1904 Args.ClaimAllArgs(options::OPT_D);
1906 // Manually translate -O to -O2 and -O4 to -O3; let clang reject
1908 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
1909 if (A->getOption().matches(options::OPT_O4))
1910 CmdArgs.push_back("-O3");
1911 else if (A->getOption().matches(options::OPT_O) &&
1912 A->getValue(Args)[0] == '\0')
1913 CmdArgs.push_back("-O2");
1915 A->render(Args, CmdArgs);
1918 Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
1919 Args.AddLastArg(CmdArgs, options::OPT_pedantic);
1920 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors);
1921 Args.AddLastArg(CmdArgs, options::OPT_w);
1923 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi}
1924 // (-ansi is equivalent to -std=c89).
1926 // If a std is supplied, only add -trigraphs if it follows the
1928 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
1929 if (Std->getOption().matches(options::OPT_ansi))
1930 if (types::isCXX(InputType))
1931 CmdArgs.push_back("-std=c++98");
1933 CmdArgs.push_back("-std=c89");
1935 Std->render(Args, CmdArgs);
1937 if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi,
1938 options::OPT_trigraphs))
1940 A->render(Args, CmdArgs);
1942 // Honor -std-default.
1944 // FIXME: Clang doesn't correctly handle -std= when the input language
1945 // doesn't match. For the time being just ignore this for C++ inputs;
1946 // eventually we want to do all the standard defaulting here instead of
1947 // splitting it between the driver and clang -cc1.
1948 if (!types::isCXX(InputType))
1949 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
1950 "-std=", /*Joined=*/true);
1951 Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
1954 // Map the bizarre '-Wwrite-strings' flag to a more sensible
1955 // '-fconst-strings'; this better indicates its actual behavior.
1956 if (Args.hasFlag(options::OPT_Wwrite_strings, options::OPT_Wno_write_strings,
1958 // For perfect compatibility with GCC, we do this even in the presence of
1959 // '-w'. This flag names something other than a warning for GCC.
1960 CmdArgs.push_back("-fconst-strings");
1963 // GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active
1964 // during C++ compilation, which it is by default. GCC keeps this define even
1965 // in the presence of '-w', match this behavior bug-for-bug.
1966 if (types::isCXX(InputType) &&
1967 Args.hasFlag(options::OPT_Wdeprecated, options::OPT_Wno_deprecated,
1969 CmdArgs.push_back("-fdeprecated-macro");
1972 // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'.
1973 if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) {
1974 if (Asm->getOption().matches(options::OPT_fasm))
1975 CmdArgs.push_back("-fgnu-keywords");
1977 CmdArgs.push_back("-fno-gnu-keywords");
1980 if (ShouldDisableCFI(Args, getToolChain()))
1981 CmdArgs.push_back("-fno-dwarf2-cfi-asm");
1983 if (ShouldDisableDwarfDirectory(Args, getToolChain()))
1984 CmdArgs.push_back("-fno-dwarf-directory-asm");
1986 if (const char *pwd = ::getenv("PWD")) {
1987 // GCC also verifies that stat(pwd) and stat(".") have the same inode
1988 // number. Not doing those because stats are slow, but we could.
1989 if (llvm::sys::path::is_absolute(pwd)) {
1990 std::string CompDir = pwd;
1991 CmdArgs.push_back("-fdebug-compilation-dir");
1992 CmdArgs.push_back(Args.MakeArgString(CompDir));
1996 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_,
1997 options::OPT_ftemplate_depth_EQ)) {
1998 CmdArgs.push_back("-ftemplate-depth");
1999 CmdArgs.push_back(A->getValue(Args));
2002 if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_depth_EQ)) {
2003 CmdArgs.push_back("-fconstexpr-depth");
2004 CmdArgs.push_back(A->getValue(Args));
2007 if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ,
2008 options::OPT_Wlarge_by_value_copy_def)) {
2009 CmdArgs.push_back("-Wlarge-by-value-copy");
2010 if (A->getNumValues())
2011 CmdArgs.push_back(A->getValue(Args));
2013 CmdArgs.push_back("64"); // default value for -Wlarge-by-value-copy.
2016 if (Args.hasArg(options::OPT__relocatable_pch))
2017 CmdArgs.push_back("-relocatable-pch");
2019 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) {
2020 CmdArgs.push_back("-fconstant-string-class");
2021 CmdArgs.push_back(A->getValue(Args));
2024 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) {
2025 CmdArgs.push_back("-ftabstop");
2026 CmdArgs.push_back(A->getValue(Args));
2029 CmdArgs.push_back("-ferror-limit");
2030 if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ))
2031 CmdArgs.push_back(A->getValue(Args));
2033 CmdArgs.push_back("19");
2035 if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) {
2036 CmdArgs.push_back("-fmacro-backtrace-limit");
2037 CmdArgs.push_back(A->getValue(Args));
2040 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) {
2041 CmdArgs.push_back("-ftemplate-backtrace-limit");
2042 CmdArgs.push_back(A->getValue(Args));
2045 if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_backtrace_limit_EQ)) {
2046 CmdArgs.push_back("-fconstexpr-backtrace-limit");
2047 CmdArgs.push_back(A->getValue(Args));
2050 // Pass -fmessage-length=.
2051 CmdArgs.push_back("-fmessage-length");
2052 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) {
2053 CmdArgs.push_back(A->getValue(Args));
2055 // If -fmessage-length=N was not specified, determine whether this is a
2056 // terminal and, if so, implicitly define -fmessage-length appropriately.
2057 unsigned N = llvm::sys::Process::StandardErrColumns();
2058 CmdArgs.push_back(Args.MakeArgString(Twine(N)));
2061 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) {
2062 CmdArgs.push_back("-fvisibility");
2063 CmdArgs.push_back(A->getValue(Args));
2066 Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden);
2068 // -fhosted is default.
2069 if (Args.hasFlag(options::OPT_ffreestanding, options::OPT_fhosted, false) ||
2071 CmdArgs.push_back("-ffreestanding");
2073 // Forward -f (flag) options which we can pass directly.
2074 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior);
2075 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
2076 Args.AddLastArg(CmdArgs, options::OPT_fformat_extensions);
2077 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
2078 Args.AddLastArg(CmdArgs, options::OPT_flimit_debug_info);
2079 Args.AddLastArg(CmdArgs, options::OPT_fno_limit_debug_info);
2080 Args.AddLastArg(CmdArgs, options::OPT_fno_operator_names);
2081 Args.AddLastArg(CmdArgs, options::OPT_faltivec);
2083 // Report and error for -faltivec on anything other then PowerPC.
2084 if (const Arg *A = Args.getLastArg(options::OPT_faltivec))
2085 if (!(getToolChain().getTriple().getArch() == llvm::Triple::ppc ||
2086 getToolChain().getTriple().getArch() == llvm::Triple::ppc64))
2087 D.Diag(diag::err_drv_argument_only_allowed_with)
2088 << A->getAsString(Args) << "ppc/ppc64";
2090 if (getToolChain().SupportsProfiling())
2091 Args.AddLastArg(CmdArgs, options::OPT_pg);
2093 if (Args.hasFlag(options::OPT_faddress_sanitizer,
2094 options::OPT_fno_address_sanitizer, false))
2095 CmdArgs.push_back("-faddress-sanitizer");
2097 if (Args.hasFlag(options::OPT_fthread_sanitizer,
2098 options::OPT_fno_thread_sanitizer, false))
2099 CmdArgs.push_back("-fthread-sanitizer");
2101 // -flax-vector-conversions is default.
2102 if (!Args.hasFlag(options::OPT_flax_vector_conversions,
2103 options::OPT_fno_lax_vector_conversions))
2104 CmdArgs.push_back("-fno-lax-vector-conversions");
2106 if (Args.getLastArg(options::OPT_fapple_kext))
2107 CmdArgs.push_back("-fapple-kext");
2109 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
2110 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info);
2111 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits);
2112 Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
2113 Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
2115 if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) {
2116 CmdArgs.push_back("-ftrapv-handler");
2117 CmdArgs.push_back(A->getValue(Args));
2120 Args.AddLastArg(CmdArgs, options::OPT_ftrap_function_EQ);
2122 // -fno-strict-overflow implies -fwrapv if it isn't disabled, but
2123 // -fstrict-overflow won't turn off an explicitly enabled -fwrapv.
2124 if (Arg *A = Args.getLastArg(options::OPT_fwrapv,
2125 options::OPT_fno_wrapv)) {
2126 if (A->getOption().matches(options::OPT_fwrapv))
2127 CmdArgs.push_back("-fwrapv");
2128 } else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow,
2129 options::OPT_fno_strict_overflow)) {
2130 if (A->getOption().matches(options::OPT_fno_strict_overflow))
2131 CmdArgs.push_back("-fwrapv");
2133 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings);
2134 Args.AddLastArg(CmdArgs, options::OPT_funroll_loops);
2136 Args.AddLastArg(CmdArgs, options::OPT_pthread);
2138 // -stack-protector=0 is default.
2139 unsigned StackProtectorLevel = 0;
2140 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector,
2141 options::OPT_fstack_protector_all,
2142 options::OPT_fstack_protector)) {
2143 if (A->getOption().matches(options::OPT_fstack_protector))
2144 StackProtectorLevel = 1;
2145 else if (A->getOption().matches(options::OPT_fstack_protector_all))
2146 StackProtectorLevel = 2;
2148 StackProtectorLevel =
2149 getToolChain().GetDefaultStackProtectorLevel(KernelOrKext);
2151 if (StackProtectorLevel) {
2152 CmdArgs.push_back("-stack-protector");
2153 CmdArgs.push_back(Args.MakeArgString(Twine(StackProtectorLevel)));
2156 // Translate -mstackrealign
2157 if (Args.hasFlag(options::OPT_mstackrealign, options::OPT_mno_stackrealign,
2159 CmdArgs.push_back("-backend-option");
2160 CmdArgs.push_back("-force-align-stack");
2162 if (!Args.hasFlag(options::OPT_mno_stackrealign, options::OPT_mstackrealign,
2164 CmdArgs.push_back(Args.MakeArgString("-mstackrealign"));
2167 if (Args.hasArg(options::OPT_mstack_alignment)) {
2168 StringRef alignment = Args.getLastArgValue(options::OPT_mstack_alignment);
2169 CmdArgs.push_back(Args.MakeArgString("-mstack-alignment=" + alignment));
2172 // Forward -f options with positive and negative forms; we translate
2175 if (Args.hasArg(options::OPT_mkernel)) {
2176 if (!Args.hasArg(options::OPT_fapple_kext) && types::isCXX(InputType))
2177 CmdArgs.push_back("-fapple-kext");
2178 if (!Args.hasArg(options::OPT_fbuiltin))
2179 CmdArgs.push_back("-fno-builtin");
2180 Args.ClaimAllArgs(options::OPT_fno_builtin);
2182 // -fbuiltin is default.
2183 else if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin))
2184 CmdArgs.push_back("-fno-builtin");
2186 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
2187 options::OPT_fno_assume_sane_operator_new))
2188 CmdArgs.push_back("-fno-assume-sane-operator-new");
2190 // -fblocks=0 is default.
2191 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks,
2192 getToolChain().IsBlocksDefault()) ||
2193 (Args.hasArg(options::OPT_fgnu_runtime) &&
2194 Args.hasArg(options::OPT_fobjc_nonfragile_abi) &&
2195 !Args.hasArg(options::OPT_fno_blocks))) {
2196 CmdArgs.push_back("-fblocks");
2198 if (!Args.hasArg(options::OPT_fgnu_runtime) &&
2199 !getToolChain().hasBlocksRuntime())
2200 CmdArgs.push_back("-fblocks-runtime-optional");
2203 // -fmodules enables modules (off by default). However, for C++/Objective-C++,
2204 // users must also pass -fcxx-modules. The latter flag will disappear once the
2205 // modules implementation is solid for C++/Objective-C++ programs as well.
2206 if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) {
2207 bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules,
2208 options::OPT_fno_cxx_modules,
2210 if (AllowedInCXX || !types::isCXX(InputType))
2211 CmdArgs.push_back("-fmodules");
2214 // -faccess-control is default.
2215 if (Args.hasFlag(options::OPT_fno_access_control,
2216 options::OPT_faccess_control,
2218 CmdArgs.push_back("-fno-access-control");
2220 // -felide-constructors is the default.
2221 if (Args.hasFlag(options::OPT_fno_elide_constructors,
2222 options::OPT_felide_constructors,
2224 CmdArgs.push_back("-fno-elide-constructors");
2226 // -frtti is default.
2227 if (!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti) ||
2229 CmdArgs.push_back("-fno-rtti");
2231 // -fshort-enums=0 is default for all architectures except Hexagon.
2232 if (Args.hasFlag(options::OPT_fshort_enums,
2233 options::OPT_fno_short_enums,
2234 getToolChain().getTriple().getArch() ==
2235 llvm::Triple::hexagon))
2236 CmdArgs.push_back("-fshort-enums");
2238 // -fsigned-char is default.
2239 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char,
2240 isSignedCharDefault(getToolChain().getTriple())))
2241 CmdArgs.push_back("-fno-signed-char");
2243 // -fthreadsafe-static is default.
2244 if (!Args.hasFlag(options::OPT_fthreadsafe_statics,
2245 options::OPT_fno_threadsafe_statics))
2246 CmdArgs.push_back("-fno-threadsafe-statics");
2248 // -fuse-cxa-atexit is default.
2249 if (!Args.hasFlag(options::OPT_fuse_cxa_atexit,
2250 options::OPT_fno_use_cxa_atexit,
2251 getToolChain().getTriple().getOS() != llvm::Triple::Cygwin &&
2252 getToolChain().getTriple().getOS() != llvm::Triple::MinGW32 &&
2253 getToolChain().getTriple().getArch() != llvm::Triple::hexagon) ||
2255 CmdArgs.push_back("-fno-use-cxa-atexit");
2257 // -fms-extensions=0 is default.
2258 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
2259 getToolChain().getTriple().getOS() == llvm::Triple::Win32))
2260 CmdArgs.push_back("-fms-extensions");
2262 // -fms-compatibility=0 is default.
2263 if (Args.hasFlag(options::OPT_fms_compatibility,
2264 options::OPT_fno_ms_compatibility,
2265 (getToolChain().getTriple().getOS() == llvm::Triple::Win32 &&
2266 Args.hasFlag(options::OPT_fms_extensions,
2267 options::OPT_fno_ms_extensions,
2269 CmdArgs.push_back("-fms-compatibility");
2271 // -fmsc-version=1300 is default.
2272 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
2273 getToolChain().getTriple().getOS() == llvm::Triple::Win32) ||
2274 Args.hasArg(options::OPT_fmsc_version)) {
2275 StringRef msc_ver = Args.getLastArgValue(options::OPT_fmsc_version);
2276 if (msc_ver.empty())
2277 CmdArgs.push_back("-fmsc-version=1300");
2279 CmdArgs.push_back(Args.MakeArgString("-fmsc-version=" + msc_ver));
2283 // -fborland-extensions=0 is default.
2284 if (Args.hasFlag(options::OPT_fborland_extensions,
2285 options::OPT_fno_borland_extensions, false))
2286 CmdArgs.push_back("-fborland-extensions");
2288 // -fno-delayed-template-parsing is default, except for Windows where MSVC STL
2290 if (Args.hasFlag(options::OPT_fdelayed_template_parsing,
2291 options::OPT_fno_delayed_template_parsing,
2292 getToolChain().getTriple().getOS() == llvm::Triple::Win32))
2293 CmdArgs.push_back("-fdelayed-template-parsing");
2295 // -fgnu-keywords default varies depending on language; only pass if
2297 if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords,
2298 options::OPT_fno_gnu_keywords))
2299 A->render(Args, CmdArgs);
2301 if (Args.hasFlag(options::OPT_fgnu89_inline,
2302 options::OPT_fno_gnu89_inline,
2304 CmdArgs.push_back("-fgnu89-inline");
2306 if (Args.hasArg(options::OPT_fno_inline))
2307 CmdArgs.push_back("-fno-inline");
2309 if (Args.hasArg(options::OPT_fno_inline_functions))
2310 CmdArgs.push_back("-fno-inline-functions");
2312 // -fobjc-nonfragile-abi=0 is default.
2313 ObjCRuntime objCRuntime;
2314 unsigned objcABIVersion = 0;
2315 bool NeXTRuntimeIsDefault
2316 = (IsRewriter || IsModernRewriter ||
2317 getToolChain().getTriple().isOSDarwin());
2318 if (Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime,
2319 NeXTRuntimeIsDefault)) {
2320 objCRuntime.setKind(ObjCRuntime::NeXT);
2322 CmdArgs.push_back("-fgnu-runtime");
2323 objCRuntime.setKind(ObjCRuntime::GNU);
2325 getToolChain().configureObjCRuntime(objCRuntime);
2326 if (objCRuntime.HasARC)
2327 CmdArgs.push_back("-fobjc-runtime-has-arc");
2328 if (objCRuntime.HasWeak)
2329 CmdArgs.push_back("-fobjc-runtime-has-weak");
2330 if (objCRuntime.HasTerminate)
2331 CmdArgs.push_back("-fobjc-runtime-has-terminate");
2333 // Compute the Objective-C ABI "version" to use. Version numbers are
2334 // slightly confusing for historical reasons:
2335 // 1 - Traditional "fragile" ABI
2336 // 2 - Non-fragile ABI, version 1
2337 // 3 - Non-fragile ABI, version 2
2339 // If -fobjc-abi-version= is present, use that to set the version.
2340 if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) {
2341 if (StringRef(A->getValue(Args)) == "1")
2343 else if (StringRef(A->getValue(Args)) == "2")
2345 else if (StringRef(A->getValue(Args)) == "3")
2348 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
2350 // Otherwise, determine if we are using the non-fragile ABI.
2351 bool NonFragileABIIsDefault =
2352 (IsModernRewriter ||
2353 (!IsRewriter && getToolChain().IsObjCNonFragileABIDefault()));
2354 if (Args.hasFlag(options::OPT_fobjc_nonfragile_abi,
2355 options::OPT_fno_objc_nonfragile_abi,
2356 NonFragileABIIsDefault)) {
2357 // Determine the non-fragile ABI version to use.
2358 #ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO
2359 unsigned NonFragileABIVersion = 1;
2361 unsigned NonFragileABIVersion = 2;
2364 if (Arg *A = Args.getLastArg(
2365 options::OPT_fobjc_nonfragile_abi_version_EQ)) {
2366 if (StringRef(A->getValue(Args)) == "1")
2367 NonFragileABIVersion = 1;
2368 else if (StringRef(A->getValue(Args)) == "2")
2369 NonFragileABIVersion = 2;
2371 D.Diag(diag::err_drv_clang_unsupported)
2372 << A->getAsString(Args);
2375 objcABIVersion = 1 + NonFragileABIVersion;
2381 if (objcABIVersion == 1) {
2382 CmdArgs.push_back("-fobjc-fragile-abi");
2384 // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and
2385 // legacy is the default.
2386 if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
2387 options::OPT_fno_objc_legacy_dispatch,
2388 getToolChain().IsObjCLegacyDispatchDefault())) {
2389 if (getToolChain().UseObjCMixedDispatch())
2390 CmdArgs.push_back("-fobjc-dispatch-method=mixed");
2392 CmdArgs.push_back("-fobjc-dispatch-method=non-legacy");
2396 // -fobjc-default-synthesize-properties=1 is default. This only has an effect
2397 // if the nonfragile objc abi is used.
2398 if (getToolChain().IsObjCDefaultSynthPropertiesDefault()) {
2399 CmdArgs.push_back("-fobjc-default-synthesize-properties");
2402 // Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc.
2403 // NOTE: This logic is duplicated in ToolChains.cpp.
2404 bool ARC = isObjCAutoRefCount(Args);
2406 if (!getToolChain().SupportsObjCARC())
2407 D.Diag(diag::err_arc_unsupported);
2409 CmdArgs.push_back("-fobjc-arc");
2411 // FIXME: It seems like this entire block, and several around it should be
2412 // wrapped in isObjC, but for now we just use it here as this is where it
2413 // was being used previously.
2414 if (types::isCXX(InputType) && types::isObjC(InputType)) {
2415 if (getToolChain().GetCXXStdlibType(Args) == ToolChain::CST_Libcxx)
2416 CmdArgs.push_back("-fobjc-arc-cxxlib=libc++");
2418 CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++");
2421 // Allow the user to enable full exceptions code emission.
2422 // We define off for Objective-CC, on for Objective-C++.
2423 if (Args.hasFlag(options::OPT_fobjc_arc_exceptions,
2424 options::OPT_fno_objc_arc_exceptions,
2425 /*default*/ types::isCXX(InputType)))
2426 CmdArgs.push_back("-fobjc-arc-exceptions");
2429 // -fobjc-infer-related-result-type is the default, except in the Objective-C
2431 if (IsRewriter || IsModernRewriter)
2432 CmdArgs.push_back("-fno-objc-infer-related-result-type");
2434 // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only
2435 // takes precedence.
2436 const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only);
2438 GCArg = Args.getLastArg(options::OPT_fobjc_gc);
2441 D.Diag(diag::err_drv_objc_gc_arr)
2442 << GCArg->getAsString(Args);
2443 } else if (getToolChain().SupportsObjCGC()) {
2444 GCArg->render(Args, CmdArgs);
2446 // FIXME: We should move this to a hard error.
2447 D.Diag(diag::warn_drv_objc_gc_unsupported)
2448 << GCArg->getAsString(Args);
2452 // Add exception args.
2453 addExceptionArgs(Args, InputType, getToolChain().getTriple(),
2454 KernelOrKext, objcABIVersion, CmdArgs);
2456 if (getToolChain().UseSjLjExceptions())
2457 CmdArgs.push_back("-fsjlj-exceptions");
2459 // C++ "sane" operator new.
2460 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
2461 options::OPT_fno_assume_sane_operator_new))
2462 CmdArgs.push_back("-fno-assume-sane-operator-new");
2464 // -fconstant-cfstrings is default, and may be subject to argument translation
2466 if (!Args.hasFlag(options::OPT_fconstant_cfstrings,
2467 options::OPT_fno_constant_cfstrings) ||
2468 !Args.hasFlag(options::OPT_mconstant_cfstrings,
2469 options::OPT_mno_constant_cfstrings))
2470 CmdArgs.push_back("-fno-constant-cfstrings");
2472 // -fshort-wchar default varies depending on platform; only
2473 // pass if specified.
2474 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar))
2475 A->render(Args, CmdArgs);
2477 // -fno-pascal-strings is default, only pass non-default. If the tool chain
2478 // happened to translate to -mpascal-strings, we want to back translate here.
2480 // FIXME: This is gross; that translation should be pulled from the
2482 if (Args.hasFlag(options::OPT_fpascal_strings,
2483 options::OPT_fno_pascal_strings,
2485 Args.hasFlag(options::OPT_mpascal_strings,
2486 options::OPT_mno_pascal_strings,
2488 CmdArgs.push_back("-fpascal-strings");
2490 // Honor -fpack-struct= and -fpack-struct, if given. Note that
2491 // -fno-pack-struct doesn't apply to -fpack-struct=.
2492 if (Arg *A = Args.getLastArg(options::OPT_fpack_struct_EQ)) {
2493 CmdArgs.push_back("-fpack-struct");
2494 CmdArgs.push_back(A->getValue(Args));
2495 } else if (Args.hasFlag(options::OPT_fpack_struct,
2496 options::OPT_fno_pack_struct, false)) {
2497 CmdArgs.push_back("-fpack-struct");
2498 CmdArgs.push_back("1");
2501 if (Args.hasArg(options::OPT_mkernel) ||
2502 Args.hasArg(options::OPT_fapple_kext)) {
2503 if (!Args.hasArg(options::OPT_fcommon))
2504 CmdArgs.push_back("-fno-common");
2505 Args.ClaimAllArgs(options::OPT_fno_common);
2508 // -fcommon is default, only pass non-default.
2509 else if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common))
2510 CmdArgs.push_back("-fno-common");
2512 // -fsigned-bitfields is default, and clang doesn't yet support
2513 // -funsigned-bitfields.
2514 if (!Args.hasFlag(options::OPT_fsigned_bitfields,
2515 options::OPT_funsigned_bitfields))
2516 D.Diag(diag::warn_drv_clang_unsupported)
2517 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args);
2519 // -fsigned-bitfields is default, and clang doesn't support -fno-for-scope.
2520 if (!Args.hasFlag(options::OPT_ffor_scope,
2521 options::OPT_fno_for_scope))
2522 D.Diag(diag::err_drv_clang_unsupported)
2523 << Args.getLastArg(options::OPT_fno_for_scope)->getAsString(Args);
2525 // -fcaret-diagnostics is default.
2526 if (!Args.hasFlag(options::OPT_fcaret_diagnostics,
2527 options::OPT_fno_caret_diagnostics, true))
2528 CmdArgs.push_back("-fno-caret-diagnostics");
2530 // -fdiagnostics-fixit-info is default, only pass non-default.
2531 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info,
2532 options::OPT_fno_diagnostics_fixit_info))
2533 CmdArgs.push_back("-fno-diagnostics-fixit-info");
2535 // Enable -fdiagnostics-show-option by default.
2536 if (Args.hasFlag(options::OPT_fdiagnostics_show_option,
2537 options::OPT_fno_diagnostics_show_option))
2538 CmdArgs.push_back("-fdiagnostics-show-option");
2541 Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) {
2542 CmdArgs.push_back("-fdiagnostics-show-category");
2543 CmdArgs.push_back(A->getValue(Args));
2547 Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) {
2548 CmdArgs.push_back("-fdiagnostics-format");
2549 CmdArgs.push_back(A->getValue(Args));
2552 if (Arg *A = Args.getLastArg(
2553 options::OPT_fdiagnostics_show_note_include_stack,
2554 options::OPT_fno_diagnostics_show_note_include_stack)) {
2555 if (A->getOption().matches(
2556 options::OPT_fdiagnostics_show_note_include_stack))
2557 CmdArgs.push_back("-fdiagnostics-show-note-include-stack");
2559 CmdArgs.push_back("-fno-diagnostics-show-note-include-stack");
2562 // Color diagnostics are the default, unless the terminal doesn't support
2564 if (Args.hasFlag(options::OPT_fcolor_diagnostics,
2565 options::OPT_fno_color_diagnostics,
2566 llvm::sys::Process::StandardErrHasColors()))
2567 CmdArgs.push_back("-fcolor-diagnostics");
2569 if (!Args.hasFlag(options::OPT_fshow_source_location,
2570 options::OPT_fno_show_source_location))
2571 CmdArgs.push_back("-fno-show-source-location");
2573 if (!Args.hasFlag(options::OPT_fshow_column,
2574 options::OPT_fno_show_column,
2576 CmdArgs.push_back("-fno-show-column");
2578 if (!Args.hasFlag(options::OPT_fspell_checking,
2579 options::OPT_fno_spell_checking))
2580 CmdArgs.push_back("-fno-spell-checking");
2583 // Silently ignore -fasm-blocks for now.
2584 (void) Args.hasFlag(options::OPT_fasm_blocks, options::OPT_fno_asm_blocks,
2587 if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
2588 A->render(Args, CmdArgs);
2590 // -fdollars-in-identifiers default varies depending on platform and
2591 // language; only pass if specified.
2592 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers,
2593 options::OPT_fno_dollars_in_identifiers)) {
2594 if (A->getOption().matches(options::OPT_fdollars_in_identifiers))
2595 CmdArgs.push_back("-fdollars-in-identifiers");
2597 CmdArgs.push_back("-fno-dollars-in-identifiers");
2600 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for
2601 // practical purposes.
2602 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time,
2603 options::OPT_fno_unit_at_a_time)) {
2604 if (A->getOption().matches(options::OPT_fno_unit_at_a_time))
2605 D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args);
2608 if (Args.hasFlag(options::OPT_fapple_pragma_pack,
2609 options::OPT_fno_apple_pragma_pack, false))
2610 CmdArgs.push_back("-fapple-pragma-pack");
2612 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM.
2614 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941.
2616 if (getToolChain().getTriple().isOSDarwin() &&
2617 (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
2618 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) {
2619 if (!Args.hasArg(options::OPT_fbuiltin_strcat))
2620 CmdArgs.push_back("-fno-builtin-strcat");
2621 if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
2622 CmdArgs.push_back("-fno-builtin-strcpy");
2626 // Only allow -traditional or -traditional-cpp outside in preprocessing modes.
2627 if (Arg *A = Args.getLastArg(options::OPT_traditional,
2628 options::OPT_traditional_cpp)) {
2629 if (isa<PreprocessJobAction>(JA))
2630 CmdArgs.push_back("-traditional-cpp");
2632 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
2635 Args.AddLastArg(CmdArgs, options::OPT_dM);
2636 Args.AddLastArg(CmdArgs, options::OPT_dD);
2638 // Handle serialized diagnostics.
2639 if (Arg *A = Args.getLastArg(options::OPT__serialize_diags)) {
2640 CmdArgs.push_back("-serialize-diagnostic-file");
2641 CmdArgs.push_back(Args.MakeArgString(A->getValue(Args)));
2644 // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option
2646 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang);
2647 for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm),
2648 ie = Args.filtered_end(); it != ie; ++it) {
2651 // We translate this by hand to the -cc1 argument, since nightly test uses
2652 // it and developers have been trained to spell it with -mllvm.
2653 if (StringRef((*it)->getValue(Args, 0)) == "-disable-llvm-optzns")
2654 CmdArgs.push_back("-disable-llvm-optzns");
2656 (*it)->render(Args, CmdArgs);
2659 if (Output.getType() == types::TY_Dependencies) {
2660 // Handled with other dependency code.
2661 } else if (Output.isFilename()) {
2662 CmdArgs.push_back("-o");
2663 CmdArgs.push_back(Output.getFilename());
2665 assert(Output.isNothing() && "Invalid output.");
2668 for (InputInfoList::const_iterator
2669 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
2670 const InputInfo &II = *it;
2671 CmdArgs.push_back("-x");
2672 CmdArgs.push_back(types::getTypeName(II.getType()));
2673 if (II.isFilename())
2674 CmdArgs.push_back(II.getFilename());
2676 II.getInputArg().renderAsInput(Args, CmdArgs);
2679 Args.AddAllArgs(CmdArgs, options::OPT_undef);
2681 const char *Exec = getToolChain().getDriver().getClangProgramPath();
2683 // Optionally embed the -cc1 level arguments into the debug info, for build
2685 if (getToolChain().UseDwarfDebugFlags()) {
2686 ArgStringList OriginalArgs;
2687 for (ArgList::const_iterator it = Args.begin(),
2688 ie = Args.end(); it != ie; ++it)
2689 (*it)->render(Args, OriginalArgs);
2691 SmallString<256> Flags;
2693 for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
2695 Flags += OriginalArgs[i];
2697 CmdArgs.push_back("-dwarf-debug-flags");
2698 CmdArgs.push_back(Args.MakeArgString(Flags.str()));
2701 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2703 if (Arg *A = Args.getLastArg(options::OPT_pg))
2704 if (Args.hasArg(options::OPT_fomit_frame_pointer))
2705 D.Diag(diag::err_drv_argument_not_allowed_with)
2706 << "-fomit-frame-pointer" << A->getAsString(Args);
2708 // Claim some arguments which clang supports automatically.
2710 // -fpch-preprocess is used with gcc to add a special marker in the output to
2711 // include the PCH file. Clang's PTH solution is completely transparent, so we
2712 // do not need to deal with it at all.
2713 Args.ClaimAllArgs(options::OPT_fpch_preprocess);
2715 // Claim some arguments which clang doesn't support, but we don't
2716 // care to warn the user about.
2717 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group);
2718 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group);
2720 // Disable warnings for clang -E -use-gold-plugin -emit-llvm foo.c
2721 Args.ClaimAllArgs(options::OPT_use_gold_plugin);
2722 Args.ClaimAllArgs(options::OPT_emit_llvm);
2725 void ClangAs::AddARMTargetArgs(const ArgList &Args,
2726 ArgStringList &CmdArgs) const {
2727 const Driver &D = getToolChain().getDriver();
2728 llvm::Triple Triple = getToolChain().getTriple();
2730 // Set the CPU based on -march= and -mcpu=.
2731 CmdArgs.push_back("-target-cpu");
2732 CmdArgs.push_back(getARMTargetCPU(Args, Triple));
2735 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
2736 addFPUArgs(D, A, Args, CmdArgs);
2739 if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ))
2740 addFPMathArgs(D, A, Args, CmdArgs, getARMTargetCPU(Args, Triple));
2743 void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
2744 const InputInfo &Output,
2745 const InputInfoList &Inputs,
2746 const ArgList &Args,
2747 const char *LinkingOutput) const {
2748 ArgStringList CmdArgs;
2750 assert(Inputs.size() == 1 && "Unexpected number of inputs.");
2751 const InputInfo &Input = Inputs[0];
2753 // Don't warn about "clang -w -c foo.s"
2754 Args.ClaimAllArgs(options::OPT_w);
2755 // and "clang -emit-llvm -c foo.s"
2756 Args.ClaimAllArgs(options::OPT_emit_llvm);
2757 // and "clang -use-gold-plugin -c foo.s"
2758 Args.ClaimAllArgs(options::OPT_use_gold_plugin);
2760 // Invoke ourselves in -cc1as mode.
2762 // FIXME: Implement custom jobs for internal actions.
2763 CmdArgs.push_back("-cc1as");
2765 // Add the "effective" target triple.
2766 CmdArgs.push_back("-triple");
2767 std::string TripleStr =
2768 getToolChain().ComputeEffectiveClangTriple(Args, Input.getType());
2769 CmdArgs.push_back(Args.MakeArgString(TripleStr));
2771 // Set the output mode, we currently only expect to be used as a real
2773 CmdArgs.push_back("-filetype");
2774 CmdArgs.push_back("obj");
2776 if (UseRelaxAll(C, Args))
2777 CmdArgs.push_back("-relax-all");
2779 // Add target specific cpu and features flags.
2780 switch(getToolChain().getTriple().getArch()) {
2784 case llvm::Triple::arm:
2785 case llvm::Triple::thumb:
2786 AddARMTargetArgs(Args, CmdArgs);
2790 // Ignore explicit -force_cpusubtype_ALL option.
2791 (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
2793 // Determine the original source input.
2794 const Action *SourceAction = &JA;
2795 while (SourceAction->getKind() != Action::InputClass) {
2796 assert(!SourceAction->getInputs().empty() && "unexpected root action!");
2797 SourceAction = SourceAction->getInputs()[0];
2800 // Forward -g, assuming we are dealing with an actual assembly file.
2801 if (SourceAction->getType() == types::TY_Asm ||
2802 SourceAction->getType() == types::TY_PP_Asm) {
2803 Args.ClaimAllArgs(options::OPT_g_Group);
2804 if (Arg *A = Args.getLastArg(options::OPT_g_Group))
2805 if (!A->getOption().matches(options::OPT_g0))
2806 CmdArgs.push_back("-g");
2809 // Optionally embed the -cc1as level arguments into the debug info, for build
2811 if (getToolChain().UseDwarfDebugFlags()) {
2812 ArgStringList OriginalArgs;
2813 for (ArgList::const_iterator it = Args.begin(),
2814 ie = Args.end(); it != ie; ++it)
2815 (*it)->render(Args, OriginalArgs);
2817 SmallString<256> Flags;
2818 const char *Exec = getToolChain().getDriver().getClangProgramPath();
2820 for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
2822 Flags += OriginalArgs[i];
2824 CmdArgs.push_back("-dwarf-debug-flags");
2825 CmdArgs.push_back(Args.MakeArgString(Flags.str()));
2828 // FIXME: Add -static support, once we have it.
2830 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
2831 options::OPT_Xassembler);
2832 Args.AddAllArgs(CmdArgs, options::OPT_mllvm);
2834 assert(Output.isFilename() && "Unexpected lipo output.");
2835 CmdArgs.push_back("-o");
2836 CmdArgs.push_back(Output.getFilename());
2838 assert(Input.isFilename() && "Invalid input.");
2839 CmdArgs.push_back(Input.getFilename());
2841 const char *Exec = getToolChain().getDriver().getClangProgramPath();
2842 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2845 void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
2846 const InputInfo &Output,
2847 const InputInfoList &Inputs,
2848 const ArgList &Args,
2849 const char *LinkingOutput) const {
2850 const Driver &D = getToolChain().getDriver();
2851 ArgStringList CmdArgs;
2853 for (ArgList::const_iterator
2854 it = Args.begin(), ie = Args.end(); it != ie; ++it) {
2856 if (A->getOption().hasForwardToGCC()) {
2857 // Don't forward any -g arguments to assembly steps.
2858 if (isa<AssembleJobAction>(JA) &&
2859 A->getOption().matches(options::OPT_g_Group))
2862 // It is unfortunate that we have to claim here, as this means
2863 // we will basically never report anything interesting for
2864 // platforms using a generic gcc, even if we are just using gcc
2865 // to get to the assembler.
2867 A->render(Args, CmdArgs);
2871 RenderExtraToolArgs(JA, CmdArgs);
2873 // If using a driver driver, force the arch.
2874 const std::string &Arch = getToolChain().getArchName();
2875 if (getToolChain().getTriple().isOSDarwin()) {
2876 CmdArgs.push_back("-arch");
2878 // FIXME: Remove these special cases.
2879 if (Arch == "powerpc")
2880 CmdArgs.push_back("ppc");
2881 else if (Arch == "powerpc64")
2882 CmdArgs.push_back("ppc64");
2884 CmdArgs.push_back(Args.MakeArgString(Arch));
2887 // Try to force gcc to match the tool chain we want, if we recognize
2890 // FIXME: The triple class should directly provide the information we want
2892 if (Arch == "i386" || Arch == "powerpc")
2893 CmdArgs.push_back("-m32");
2894 else if (Arch == "x86_64" || Arch == "powerpc64")
2895 CmdArgs.push_back("-m64");
2897 if (Output.isFilename()) {
2898 CmdArgs.push_back("-o");
2899 CmdArgs.push_back(Output.getFilename());
2901 assert(Output.isNothing() && "Unexpected output");
2902 CmdArgs.push_back("-fsyntax-only");
2905 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
2906 options::OPT_Xassembler);
2908 // Only pass -x if gcc will understand it; otherwise hope gcc
2909 // understands the suffix correctly. The main use case this would go
2910 // wrong in is for linker inputs if they happened to have an odd
2911 // suffix; really the only way to get this to happen is a command
2912 // like '-x foobar a.c' which will treat a.c like a linker input.
2914 // FIXME: For the linker case specifically, can we safely convert
2915 // inputs into '-Wl,' options?
2916 for (InputInfoList::const_iterator
2917 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
2918 const InputInfo &II = *it;
2920 // Don't try to pass LLVM or AST inputs to a generic gcc.
2921 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
2922 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
2923 D.Diag(diag::err_drv_no_linker_llvm_support)
2924 << getToolChain().getTripleString();
2925 else if (II.getType() == types::TY_AST)
2926 D.Diag(diag::err_drv_no_ast_support)
2927 << getToolChain().getTripleString();
2929 if (types::canTypeBeUserSpecified(II.getType())) {
2930 CmdArgs.push_back("-x");
2931 CmdArgs.push_back(types::getTypeName(II.getType()));
2934 if (II.isFilename())
2935 CmdArgs.push_back(II.getFilename());
2937 const Arg &A = II.getInputArg();
2939 // Reverse translate some rewritten options.
2940 if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
2941 CmdArgs.push_back("-lstdc++");
2945 // Don't render as input, we need gcc to do the translations.
2946 A.render(Args, CmdArgs);
2950 const std::string customGCCName = D.getCCCGenericGCCName();
2951 const char *GCCName;
2952 if (!customGCCName.empty())
2953 GCCName = customGCCName.c_str();
2954 else if (D.CCCIsCXX) {
2960 Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
2961 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2964 void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA,
2965 ArgStringList &CmdArgs) const {
2966 CmdArgs.push_back("-E");
2969 void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA,
2970 ArgStringList &CmdArgs) const {
2971 // The type is good enough.
2974 void gcc::Compile::RenderExtraToolArgs(const JobAction &JA,
2975 ArgStringList &CmdArgs) const {
2976 const Driver &D = getToolChain().getDriver();
2978 // If -flto, etc. are present then make sure not to force assembly output.
2979 if (JA.getType() == types::TY_LLVM_IR || JA.getType() == types::TY_LTO_IR ||
2980 JA.getType() == types::TY_LLVM_BC || JA.getType() == types::TY_LTO_BC)
2981 CmdArgs.push_back("-c");
2983 if (JA.getType() != types::TY_PP_Asm)
2984 D.Diag(diag::err_drv_invalid_gcc_output_type)
2985 << getTypeName(JA.getType());
2987 CmdArgs.push_back("-S");
2991 void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA,
2992 ArgStringList &CmdArgs) const {
2993 CmdArgs.push_back("-c");
2996 void gcc::Link::RenderExtraToolArgs(const JobAction &JA,
2997 ArgStringList &CmdArgs) const {
2998 // The types are (hopefully) good enough.
3001 // Hexagon tools start.
3002 void hexagon::Assemble::RenderExtraToolArgs(const JobAction &JA,
3003 ArgStringList &CmdArgs) const {
3006 void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
3007 const InputInfo &Output,
3008 const InputInfoList &Inputs,
3009 const ArgList &Args,
3010 const char *LinkingOutput) const {
3012 const Driver &D = getToolChain().getDriver();
3013 ArgStringList CmdArgs;
3015 std::string MarchString = "-march=";
3016 MarchString += getHexagonTargetCPU(Args);
3017 CmdArgs.push_back(Args.MakeArgString(MarchString));
3019 RenderExtraToolArgs(JA, CmdArgs);
3021 if (Output.isFilename()) {
3022 CmdArgs.push_back("-o");
3023 CmdArgs.push_back(Output.getFilename());
3025 assert(Output.isNothing() && "Unexpected output");
3026 CmdArgs.push_back("-fsyntax-only");
3030 // Only pass -x if gcc will understand it; otherwise hope gcc
3031 // understands the suffix correctly. The main use case this would go
3032 // wrong in is for linker inputs if they happened to have an odd
3033 // suffix; really the only way to get this to happen is a command
3034 // like '-x foobar a.c' which will treat a.c like a linker input.
3036 // FIXME: For the linker case specifically, can we safely convert
3037 // inputs into '-Wl,' options?
3038 for (InputInfoList::const_iterator
3039 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3040 const InputInfo &II = *it;
3042 // Don't try to pass LLVM or AST inputs to a generic gcc.
3043 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
3044 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
3045 D.Diag(clang::diag::err_drv_no_linker_llvm_support)
3046 << getToolChain().getTripleString();
3047 else if (II.getType() == types::TY_AST)
3048 D.Diag(clang::diag::err_drv_no_ast_support)
3049 << getToolChain().getTripleString();
3051 if (II.isFilename())
3052 CmdArgs.push_back(II.getFilename());
3054 // Don't render as input, we need gcc to do the translations. FIXME: Pranav: What is this ?
3055 II.getInputArg().render(Args, CmdArgs);
3058 const char *GCCName = "hexagon-as";
3060 Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
3061 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3064 void hexagon::Link::RenderExtraToolArgs(const JobAction &JA,
3065 ArgStringList &CmdArgs) const {
3066 // The types are (hopefully) good enough.
3069 void hexagon::Link::ConstructJob(Compilation &C, const JobAction &JA,
3070 const InputInfo &Output,
3071 const InputInfoList &Inputs,
3072 const ArgList &Args,
3073 const char *LinkingOutput) const {
3075 const Driver &D = getToolChain().getDriver();
3076 ArgStringList CmdArgs;
3078 for (ArgList::const_iterator
3079 it = Args.begin(), ie = Args.end(); it != ie; ++it) {
3081 if (A->getOption().hasForwardToGCC()) {
3082 // Don't forward any -g arguments to assembly steps.
3083 if (isa<AssembleJobAction>(JA) &&
3084 A->getOption().matches(options::OPT_g_Group))
3087 // It is unfortunate that we have to claim here, as this means
3088 // we will basically never report anything interesting for
3089 // platforms using a generic gcc, even if we are just using gcc
3090 // to get to the assembler.
3092 A->render(Args, CmdArgs);
3096 RenderExtraToolArgs(JA, CmdArgs);
3098 // Add Arch Information
3100 if ((A = getLastHexagonArchArg(Args))) {
3101 if (A->getOption().matches(options::OPT_m_Joined))
3102 A->render(Args, CmdArgs);
3104 CmdArgs.push_back (Args.MakeArgString("-m" + getHexagonTargetCPU(Args)));
3107 CmdArgs.push_back (Args.MakeArgString("-m" + getHexagonTargetCPU(Args)));
3110 CmdArgs.push_back("-mqdsp6-compat");
3112 const char *GCCName;
3113 if (C.getDriver().CCCIsCXX)
3114 GCCName = "hexagon-g++";
3116 GCCName = "hexagon-gcc";
3118 Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
3120 if (Output.isFilename()) {
3121 CmdArgs.push_back("-o");
3122 CmdArgs.push_back(Output.getFilename());
3125 for (InputInfoList::const_iterator
3126 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3127 const InputInfo &II = *it;
3129 // Don't try to pass LLVM or AST inputs to a generic gcc.
3130 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
3131 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
3132 D.Diag(clang::diag::err_drv_no_linker_llvm_support)
3133 << getToolChain().getTripleString();
3134 else if (II.getType() == types::TY_AST)
3135 D.Diag(clang::diag::err_drv_no_ast_support)
3136 << getToolChain().getTripleString();
3138 if (II.isFilename())
3139 CmdArgs.push_back(II.getFilename());
3141 // Don't render as input, we need gcc to do the translations. FIXME: Pranav: What is this ?
3142 II.getInputArg().render(Args, CmdArgs);
3144 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3147 // Hexagon tools end.
3150 const char *darwin::CC1::getCC1Name(types::ID Type) const {
3153 llvm_unreachable("Unexpected type for Darwin CC1 tool.");
3155 case types::TY_C: case types::TY_CHeader:
3156 case types::TY_PP_C: case types::TY_PP_CHeader:
3158 case types::TY_ObjC: case types::TY_ObjCHeader:
3159 case types::TY_PP_ObjC: case types::TY_PP_ObjC_Alias:
3160 case types::TY_PP_ObjCHeader:
3162 case types::TY_CXX: case types::TY_CXXHeader:
3163 case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
3165 case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
3166 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXX_Alias:
3167 case types::TY_PP_ObjCXXHeader:
3168 return "cc1objplus";
3172 void darwin::CC1::anchor() {}
3174 const char *darwin::CC1::getBaseInputName(const ArgList &Args,
3175 const InputInfoList &Inputs) {
3176 return Args.MakeArgString(
3177 llvm::sys::path::filename(Inputs[0].getBaseInput()));
3180 const char *darwin::CC1::getBaseInputStem(const ArgList &Args,
3181 const InputInfoList &Inputs) {
3182 const char *Str = getBaseInputName(Args, Inputs);
3184 if (const char *End = strrchr(Str, '.'))
3185 return Args.MakeArgString(std::string(Str, End));
3191 darwin::CC1::getDependencyFileName(const ArgList &Args,
3192 const InputInfoList &Inputs) {
3193 // FIXME: Think about this more.
3196 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
3197 std::string Str(OutputOpt->getValue(Args));
3198 Res = Str.substr(0, Str.rfind('.'));
3200 Res = darwin::CC1::getBaseInputStem(Args, Inputs);
3202 return Args.MakeArgString(Res + ".d");
3205 void darwin::CC1::RemoveCC1UnsupportedArgs(ArgStringList &CmdArgs) const {
3206 for (ArgStringList::iterator it = CmdArgs.begin(), ie = CmdArgs.end();
3209 StringRef Option = *it;
3210 bool RemoveOption = false;
3212 // Erase both -fmodule-cache-path and its argument.
3213 if (Option.equals("-fmodule-cache-path") && it+2 != ie) {
3214 it = CmdArgs.erase(it, it+2);
3219 // Remove unsupported -f options.
3220 if (Option.startswith("-f")) {
3221 // Remove -f/-fno- to reduce the number of cases.
3222 if (Option.startswith("-fno-"))
3223 Option = Option.substr(5);
3225 Option = Option.substr(2);
3226 RemoveOption = llvm::StringSwitch<bool>(Option)
3227 .Case("altivec", true)
3228 .Case("modules", true)
3229 .Case("diagnostics-show-note-include-stack", true)
3233 // Handle machine specific options.
3234 if (Option.startswith("-m")) {
3235 RemoveOption = llvm::StringSwitch<bool>(Option)
3236 .Case("-mthumb", true)
3237 .Case("-mno-thumb", true)
3238 .Case("-mno-fused-madd", true)
3239 .Case("-mlong-branch", true)
3240 .Case("-mlongcall", true)
3241 .Case("-mcpu=G4", true)
3242 .Case("-mcpu=G5", true)
3246 // Handle warning options.
3247 if (Option.startswith("-W")) {
3248 // Remove -W/-Wno- to reduce the number of cases.
3249 if (Option.startswith("-Wno-"))
3250 Option = Option.substr(5);
3252 Option = Option.substr(2);
3254 RemoveOption = llvm::StringSwitch<bool>(Option)
3255 .Case("address-of-temporary", true)
3256 .Case("ambiguous-member-template", true)
3257 .Case("analyzer-incompatible-plugin", true)
3258 .Case("array-bounds", true)
3259 .Case("array-bounds-pointer-arithmetic", true)
3260 .Case("bind-to-temporary-copy", true)
3261 .Case("bitwise-op-parentheses", true)
3262 .Case("bool-conversions", true)
3263 .Case("builtin-macro-redefined", true)
3264 .Case("c++-hex-floats", true)
3265 .Case("c++0x-compat", true)
3266 .Case("c++0x-extensions", true)
3267 .Case("c++0x-narrowing", true)
3268 .Case("c++11-compat", true)
3269 .Case("c++11-extensions", true)
3270 .Case("c++11-narrowing", true)
3271 .Case("conditional-uninitialized", true)
3272 .Case("constant-conversion", true)
3273 .Case("conversion-null", true)
3274 .Case("CFString-literal", true)
3275 .Case("constant-logical-operand", true)
3276 .Case("custom-atomic-properties", true)
3277 .Case("default-arg-special-member", true)
3278 .Case("delegating-ctor-cycles", true)
3279 .Case("delete-non-virtual-dtor", true)
3280 .Case("deprecated-implementations", true)
3281 .Case("deprecated-writable-strings", true)
3282 .Case("distributed-object-modifiers", true)
3283 .Case("duplicate-method-arg", true)
3284 .Case("dynamic-class-memaccess", true)
3285 .Case("enum-compare", true)
3286 .Case("exit-time-destructors", true)
3288 .Case("gnu-designator", true)
3289 .Case("header-hygiene", true)
3290 .Case("idiomatic-parentheses", true)
3291 .Case("ignored-qualifiers", true)
3292 .Case("implicit-atomic-properties", true)
3293 .Case("incompatible-pointer-types", true)
3294 .Case("incomplete-implementation", true)
3295 .Case("initializer-overrides", true)
3296 .Case("invalid-noreturn", true)
3297 .Case("invalid-token-paste", true)
3298 .Case("language-extension-token", true)
3299 .Case("literal-conversion", true)
3300 .Case("literal-range", true)
3301 .Case("local-type-template-args", true)
3302 .Case("logical-op-parentheses", true)
3303 .Case("method-signatures", true)
3304 .Case("microsoft", true)
3305 .Case("mismatched-tags", true)
3306 .Case("missing-method-return-type", true)
3307 .Case("non-pod-varargs", true)
3308 .Case("nonfragile-abi2", true)
3309 .Case("null-arithmetic", true)
3310 .Case("null-dereference", true)
3311 .Case("out-of-line-declaration", true)
3312 .Case("overriding-method-mismatch", true)
3313 .Case("readonly-setter-attrs", true)
3314 .Case("return-stack-address", true)
3315 .Case("self-assign", true)
3316 .Case("semicolon-before-method-body", true)
3317 .Case("sentinel", true)
3318 .Case("shift-overflow", true)
3319 .Case("shift-sign-overflow", true)
3320 .Case("sign-conversion", true)
3321 .Case("sizeof-array-argument", true)
3322 .Case("sizeof-pointer-memaccess", true)
3323 .Case("string-compare", true)
3324 .Case("super-class-method-mismatch", true)
3325 .Case("tautological-compare", true)
3326 .Case("typedef-redefinition", true)
3327 .Case("typename-missing", true)
3328 .Case("undefined-reinterpret-cast", true)
3329 .Case("unknown-warning-option", true)
3330 .Case("unnamed-type-template-args", true)
3331 .Case("unneeded-internal-declaration", true)
3332 .Case("unneeded-member-function", true)
3333 .Case("unused-comparison", true)
3334 .Case("unused-exception-parameter", true)
3335 .Case("unused-member-function", true)
3336 .Case("unused-result", true)
3337 .Case("vector-conversions", true)
3339 .Case("used-but-marked-unused", true)
3340 .Case("weak-vtables", true)
3342 } // if (Option.startswith("-W"))
3344 it = CmdArgs.erase(it);
3352 void darwin::CC1::AddCC1Args(const ArgList &Args,
3353 ArgStringList &CmdArgs) const {
3354 const Driver &D = getToolChain().getDriver();
3356 CheckCodeGenerationOptions(D, Args);
3358 // Derived from cc1 spec.
3359 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) &&
3360 !Args.hasArg(options::OPT_mdynamic_no_pic))
3361 CmdArgs.push_back("-fPIC");
3363 if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
3364 getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
3365 if (!Args.hasArg(options::OPT_fbuiltin_strcat))
3366 CmdArgs.push_back("-fno-builtin-strcat");
3367 if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
3368 CmdArgs.push_back("-fno-builtin-strcpy");
3371 if (Args.hasArg(options::OPT_g_Flag) &&
3372 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols))
3373 CmdArgs.push_back("-feliminate-unused-debug-symbols");
3376 void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
3377 const InputInfoList &Inputs,
3378 const ArgStringList &OutputArgs) const {
3379 const Driver &D = getToolChain().getDriver();
3381 // Derived from cc1_options spec.
3382 if (Args.hasArg(options::OPT_fast) ||
3383 Args.hasArg(options::OPT_fastf) ||
3384 Args.hasArg(options::OPT_fastcp))
3385 CmdArgs.push_back("-O3");
3387 if (Arg *A = Args.getLastArg(options::OPT_pg))
3388 if (Args.hasArg(options::OPT_fomit_frame_pointer))
3389 D.Diag(diag::err_drv_argument_not_allowed_with)
3390 << A->getAsString(Args) << "-fomit-frame-pointer";
3392 AddCC1Args(Args, CmdArgs);
3394 if (!Args.hasArg(options::OPT_Q))
3395 CmdArgs.push_back("-quiet");
3397 CmdArgs.push_back("-dumpbase");
3398 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
3400 Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
3402 Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
3403 Args.AddAllArgs(CmdArgs, options::OPT_a_Group);
3405 // FIXME: The goal is to use the user provided -o if that is our
3406 // final output, otherwise to drive from the original input
3407 // name. Find a clean way to go about this.
3408 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) &&
3409 Args.hasArg(options::OPT_o)) {
3410 Arg *OutputOpt = Args.getLastArg(options::OPT_o);
3411 CmdArgs.push_back("-auxbase-strip");
3412 CmdArgs.push_back(OutputOpt->getValue(Args));
3414 CmdArgs.push_back("-auxbase");
3415 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs));
3418 Args.AddAllArgs(CmdArgs, options::OPT_g_Group);
3420 Args.AddAllArgs(CmdArgs, options::OPT_O);
3421 // FIXME: -Wall is getting some special treatment. Investigate.
3422 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
3423 Args.AddLastArg(CmdArgs, options::OPT_w);
3424 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
3425 options::OPT_trigraphs);
3426 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
3427 // Honor -std-default.
3428 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
3429 "-std=", /*Joined=*/true);
3432 if (Args.hasArg(options::OPT_v))
3433 CmdArgs.push_back("-version");
3434 if (Args.hasArg(options::OPT_pg) &&
3435 getToolChain().SupportsProfiling())
3436 CmdArgs.push_back("-p");
3437 Args.AddLastArg(CmdArgs, options::OPT_p);
3439 // The driver treats -fsyntax-only specially.
3440 if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
3441 getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
3442 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are
3443 // used to inhibit the default -fno-builtin-str{cat,cpy}.
3445 // FIXME: Should we grow a better way to deal with "removing" args?
3446 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group,
3447 options::OPT_fsyntax_only),
3448 ie = Args.filtered_end(); it != ie; ++it) {
3449 if (!(*it)->getOption().matches(options::OPT_fbuiltin_strcat) &&
3450 !(*it)->getOption().matches(options::OPT_fbuiltin_strcpy)) {
3452 (*it)->render(Args, CmdArgs);
3456 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
3458 // Claim Clang only -f options, they aren't worth warning about.
3459 Args.ClaimAllArgs(options::OPT_f_clang_Group);
3461 Args.AddAllArgs(CmdArgs, options::OPT_undef);
3462 if (Args.hasArg(options::OPT_Qn))
3463 CmdArgs.push_back("-fno-ident");
3465 // FIXME: This isn't correct.
3466 //Args.AddLastArg(CmdArgs, options::OPT__help)
3467 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp)
3469 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3471 // FIXME: Still don't get what is happening here. Investigate.
3472 Args.AddAllArgs(CmdArgs, options::OPT__param);
3474 if (Args.hasArg(options::OPT_fmudflap) ||
3475 Args.hasArg(options::OPT_fmudflapth)) {
3476 CmdArgs.push_back("-fno-builtin");
3477 CmdArgs.push_back("-fno-merge-constants");
3480 if (Args.hasArg(options::OPT_coverage)) {
3481 CmdArgs.push_back("-fprofile-arcs");
3482 CmdArgs.push_back("-ftest-coverage");
3485 if (types::isCXX(Inputs[0].getType()))
3486 CmdArgs.push_back("-D__private_extern__=extern");
3489 void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
3490 const InputInfoList &Inputs,
3491 const ArgStringList &OutputArgs) const {
3492 // Derived from cpp_options
3493 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
3495 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3497 AddCC1Args(Args, CmdArgs);
3499 // NOTE: The code below has some commonality with cpp_options, but
3500 // in classic gcc style ends up sending things in different
3501 // orders. This may be a good merge candidate once we drop pedantic
3504 Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
3505 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
3506 options::OPT_trigraphs);
3507 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
3508 // Honor -std-default.
3509 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
3510 "-std=", /*Joined=*/true);
3512 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
3513 Args.AddLastArg(CmdArgs, options::OPT_w);
3515 // The driver treats -fsyntax-only specially.
3516 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
3518 // Claim Clang only -f options, they aren't worth warning about.
3519 Args.ClaimAllArgs(options::OPT_f_clang_Group);
3521 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) &&
3522 !Args.hasArg(options::OPT_fno_working_directory))
3523 CmdArgs.push_back("-fworking-directory");
3525 Args.AddAllArgs(CmdArgs, options::OPT_O);
3526 Args.AddAllArgs(CmdArgs, options::OPT_undef);
3527 if (Args.hasArg(options::OPT_save_temps))
3528 CmdArgs.push_back("-fpch-preprocess");
3531 void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args,
3532 ArgStringList &CmdArgs,
3533 const InputInfoList &Inputs) const {
3534 const Driver &D = getToolChain().getDriver();
3536 CheckPreprocessingOptions(D, Args);
3538 // Derived from cpp_unique_options.
3539 // -{C,CC} only with -E is checked in CheckPreprocessingOptions().
3540 Args.AddLastArg(CmdArgs, options::OPT_C);
3541 Args.AddLastArg(CmdArgs, options::OPT_CC);
3542 if (!Args.hasArg(options::OPT_Q))
3543 CmdArgs.push_back("-quiet");
3544 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc);
3545 Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx);
3546 Args.AddLastArg(CmdArgs, options::OPT_v);
3547 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F);
3548 Args.AddLastArg(CmdArgs, options::OPT_P);
3550 // FIXME: Handle %I properly.
3551 if (getToolChain().getArchName() == "x86_64") {
3552 CmdArgs.push_back("-imultilib");
3553 CmdArgs.push_back("x86_64");
3556 if (Args.hasArg(options::OPT_MD)) {
3557 CmdArgs.push_back("-MD");
3558 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
3561 if (Args.hasArg(options::OPT_MMD)) {
3562 CmdArgs.push_back("-MMD");
3563 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
3566 Args.AddLastArg(CmdArgs, options::OPT_M);
3567 Args.AddLastArg(CmdArgs, options::OPT_MM);
3568 Args.AddAllArgs(CmdArgs, options::OPT_MF);
3569 Args.AddLastArg(CmdArgs, options::OPT_MG);
3570 Args.AddLastArg(CmdArgs, options::OPT_MP);
3571 Args.AddAllArgs(CmdArgs, options::OPT_MQ);
3572 Args.AddAllArgs(CmdArgs, options::OPT_MT);
3573 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) &&
3574 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) {
3575 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
3576 CmdArgs.push_back("-MQ");
3577 CmdArgs.push_back(OutputOpt->getValue(Args));
3581 Args.AddLastArg(CmdArgs, options::OPT_remap);
3582 if (Args.hasArg(options::OPT_g3))
3583 CmdArgs.push_back("-dD");
3584 Args.AddLastArg(CmdArgs, options::OPT_H);
3586 AddCPPArgs(Args, CmdArgs);
3588 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A);
3589 Args.AddAllArgs(CmdArgs, options::OPT_i_Group);
3591 for (InputInfoList::const_iterator
3592 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3593 const InputInfo &II = *it;
3595 CmdArgs.push_back(II.getFilename());
3598 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
3599 options::OPT_Xpreprocessor);
3601 if (Args.hasArg(options::OPT_fmudflap)) {
3602 CmdArgs.push_back("-D_MUDFLAP");
3603 CmdArgs.push_back("-include");
3604 CmdArgs.push_back("mf-runtime.h");
3607 if (Args.hasArg(options::OPT_fmudflapth)) {
3608 CmdArgs.push_back("-D_MUDFLAP");
3609 CmdArgs.push_back("-D_MUDFLAPTH");
3610 CmdArgs.push_back("-include");
3611 CmdArgs.push_back("mf-runtime.h");
3615 void darwin::CC1::AddCPPArgs(const ArgList &Args,
3616 ArgStringList &CmdArgs) const {
3617 // Derived from cpp spec.
3619 if (Args.hasArg(options::OPT_static)) {
3620 // The gcc spec is broken here, it refers to dynamic but
3621 // that has been translated. Start by being bug compatible.
3623 // if (!Args.hasArg(arglist.parser.dynamicOption))
3624 CmdArgs.push_back("-D__STATIC__");
3626 CmdArgs.push_back("-D__DYNAMIC__");
3628 if (Args.hasArg(options::OPT_pthread))
3629 CmdArgs.push_back("-D_REENTRANT");
3632 void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA,
3633 const InputInfo &Output,
3634 const InputInfoList &Inputs,
3635 const ArgList &Args,
3636 const char *LinkingOutput) const {
3637 ArgStringList CmdArgs;
3639 assert(Inputs.size() == 1 && "Unexpected number of inputs!");
3641 CmdArgs.push_back("-E");
3643 if (Args.hasArg(options::OPT_traditional) ||
3644 Args.hasArg(options::OPT_traditional_cpp))
3645 CmdArgs.push_back("-traditional-cpp");
3647 ArgStringList OutputArgs;
3648 assert(Output.isFilename() && "Unexpected CC1 output.");
3649 OutputArgs.push_back("-o");
3650 OutputArgs.push_back(Output.getFilename());
3652 if (Args.hasArg(options::OPT_E) || getToolChain().getDriver().CCCIsCPP) {
3653 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
3655 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
3656 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3659 Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
3661 RemoveCC1UnsupportedArgs(CmdArgs);
3663 const char *CC1Name = getCC1Name(Inputs[0].getType());
3665 Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
3666 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3669 void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA,
3670 const InputInfo &Output,
3671 const InputInfoList &Inputs,
3672 const ArgList &Args,
3673 const char *LinkingOutput) const {
3674 const Driver &D = getToolChain().getDriver();
3675 ArgStringList CmdArgs;
3677 assert(Inputs.size() == 1 && "Unexpected number of inputs!");
3679 // Silence warning about unused --serialize-diagnostics
3680 Args.ClaimAllArgs(options::OPT__serialize_diags);
3682 types::ID InputType = Inputs[0].getType();
3683 if (const Arg *A = Args.getLastArg(options::OPT_traditional))
3684 D.Diag(diag::err_drv_argument_only_allowed_with)
3685 << A->getAsString(Args) << "-E";
3687 if (JA.getType() == types::TY_LLVM_IR ||
3688 JA.getType() == types::TY_LTO_IR)
3689 CmdArgs.push_back("-emit-llvm");
3690 else if (JA.getType() == types::TY_LLVM_BC ||
3691 JA.getType() == types::TY_LTO_BC)
3692 CmdArgs.push_back("-emit-llvm-bc");
3693 else if (Output.getType() == types::TY_AST)
3694 D.Diag(diag::err_drv_no_ast_support)
3695 << getToolChain().getTripleString();
3696 else if (JA.getType() != types::TY_PP_Asm &&
3697 JA.getType() != types::TY_PCH)
3698 D.Diag(diag::err_drv_invalid_gcc_output_type)
3699 << getTypeName(JA.getType());
3701 ArgStringList OutputArgs;
3702 if (Output.getType() != types::TY_PCH) {
3703 OutputArgs.push_back("-o");
3704 if (Output.isNothing())
3705 OutputArgs.push_back("/dev/null");
3707 OutputArgs.push_back(Output.getFilename());
3710 // There is no need for this level of compatibility, but it makes
3712 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) ||
3713 Args.hasArg(options::OPT_S));
3715 if (types::getPreprocessedType(InputType) != types::TY_INVALID) {
3716 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
3717 if (OutputArgsEarly) {
3718 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
3720 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
3721 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3724 CmdArgs.push_back("-fpreprocessed");
3726 for (InputInfoList::const_iterator
3727 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3728 const InputInfo &II = *it;
3730 // Reject AST inputs.
3731 if (II.getType() == types::TY_AST) {
3732 D.Diag(diag::err_drv_no_ast_support)
3733 << getToolChain().getTripleString();
3737 CmdArgs.push_back(II.getFilename());
3740 if (OutputArgsEarly) {
3741 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
3743 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
3744 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3748 if (Output.getType() == types::TY_PCH) {
3749 assert(Output.isFilename() && "Invalid PCH output.");
3751 CmdArgs.push_back("-o");
3752 // NOTE: gcc uses a temp .s file for this, but there doesn't seem
3753 // to be a good reason.
3754 const char *TmpPath = C.getArgs().MakeArgString(
3755 D.GetTemporaryPath("cc", "s"));
3756 C.addTempFile(TmpPath);
3757 CmdArgs.push_back(TmpPath);
3759 // If we're emitting a pch file with the last 4 characters of ".pth"
3760 // and falling back to llvm-gcc we want to use ".gch" instead.
3761 std::string OutputFile(Output.getFilename());
3762 size_t loc = OutputFile.rfind(".pth");
3763 if (loc != std::string::npos)
3764 OutputFile.replace(loc, 4, ".gch");
3765 const char *Tmp = C.getArgs().MakeArgString("--output-pch="+OutputFile);
3766 CmdArgs.push_back(Tmp);
3769 RemoveCC1UnsupportedArgs(CmdArgs);
3771 const char *CC1Name = getCC1Name(Inputs[0].getType());
3773 Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
3774 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3777 void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
3778 const InputInfo &Output,
3779 const InputInfoList &Inputs,
3780 const ArgList &Args,
3781 const char *LinkingOutput) const {
3782 ArgStringList CmdArgs;
3784 assert(Inputs.size() == 1 && "Unexpected number of inputs.");
3785 const InputInfo &Input = Inputs[0];
3787 // Determine the original source input.
3788 const Action *SourceAction = &JA;
3789 while (SourceAction->getKind() != Action::InputClass) {
3790 assert(!SourceAction->getInputs().empty() && "unexpected root action!");
3791 SourceAction = SourceAction->getInputs()[0];
3794 // Forward -g, assuming we are dealing with an actual assembly file.
3795 if (SourceAction->getType() == types::TY_Asm ||
3796 SourceAction->getType() == types::TY_PP_Asm) {
3797 if (Args.hasArg(options::OPT_gstabs))
3798 CmdArgs.push_back("--gstabs");
3799 else if (Args.hasArg(options::OPT_g_Group))
3800 CmdArgs.push_back("-g");
3803 // Derived from asm spec.
3804 AddDarwinArch(Args, CmdArgs);
3806 // Use -force_cpusubtype_ALL on x86 by default.
3807 if (getToolChain().getTriple().getArch() == llvm::Triple::x86 ||
3808 getToolChain().getTriple().getArch() == llvm::Triple::x86_64 ||
3809 Args.hasArg(options::OPT_force__cpusubtype__ALL))
3810 CmdArgs.push_back("-force_cpusubtype_ALL");
3812 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 &&
3813 (Args.hasArg(options::OPT_mkernel) ||
3814 Args.hasArg(options::OPT_static) ||
3815 Args.hasArg(options::OPT_fapple_kext)))
3816 CmdArgs.push_back("-static");
3818 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
3819 options::OPT_Xassembler);
3821 assert(Output.isFilename() && "Unexpected lipo output.");
3822 CmdArgs.push_back("-o");
3823 CmdArgs.push_back(Output.getFilename());
3825 assert(Input.isFilename() && "Invalid input.");
3826 CmdArgs.push_back(Input.getFilename());
3828 // asm_final spec is empty.
3831 Args.MakeArgString(getToolChain().GetProgramPath("as"));
3832 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3835 void darwin::DarwinTool::anchor() {}
3837 void darwin::DarwinTool::AddDarwinArch(const ArgList &Args,
3838 ArgStringList &CmdArgs) const {
3839 StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args);
3841 // Derived from darwin_arch spec.
3842 CmdArgs.push_back("-arch");
3843 CmdArgs.push_back(Args.MakeArgString(ArchName));
3845 // FIXME: Is this needed anymore?
3846 if (ArchName == "arm")
3847 CmdArgs.push_back("-force_cpusubtype_ALL");
3850 void darwin::Link::AddLinkArgs(Compilation &C,
3851 const ArgList &Args,
3852 ArgStringList &CmdArgs) const {
3853 const Driver &D = getToolChain().getDriver();
3854 const toolchains::Darwin &DarwinTC = getDarwinToolChain();
3856 unsigned Version[3] = { 0, 0, 0 };
3857 if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
3859 if (!Driver::GetReleaseVersion(A->getValue(Args), Version[0],
3860 Version[1], Version[2], HadExtra) ||
3862 D.Diag(diag::err_drv_invalid_version_number)
3863 << A->getAsString(Args);
3866 // Newer linkers support -demangle, pass it if supported and not disabled by
3868 if (Version[0] >= 100 && !Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) {
3869 // Don't pass -demangle to ld_classic.
3871 // FIXME: This is a temporary workaround, ld should be handling this.
3872 bool UsesLdClassic = (getToolChain().getArch() == llvm::Triple::x86 &&
3873 Args.hasArg(options::OPT_static));
3874 if (getToolChain().getArch() == llvm::Triple::x86) {
3875 for (arg_iterator it = Args.filtered_begin(options::OPT_Xlinker,
3876 options::OPT_Wl_COMMA),
3877 ie = Args.filtered_end(); it != ie; ++it) {
3879 for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
3880 if (StringRef(A->getValue(Args, i)) == "-kext")
3881 UsesLdClassic = true;
3885 CmdArgs.push_back("-demangle");
3888 // If we are using LTO, then automatically create a temporary file path for
3889 // the linker to use, so that it's lifetime will extend past a possible
3891 if (Version[0] >= 116 && D.IsUsingLTO(Args)) {
3892 const char *TmpPath = C.getArgs().MakeArgString(
3893 D.GetTemporaryPath("cc", types::getTypeTempSuffix(types::TY_Object)));
3894 C.addTempFile(TmpPath);
3895 CmdArgs.push_back("-object_path_lto");
3896 CmdArgs.push_back(TmpPath);
3899 // Derived from the "link" spec.
3900 Args.AddAllArgs(CmdArgs, options::OPT_static);
3901 if (!Args.hasArg(options::OPT_static))
3902 CmdArgs.push_back("-dynamic");
3903 if (Args.hasArg(options::OPT_fgnu_runtime)) {
3904 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu
3905 // here. How do we wish to handle such things?
3908 if (!Args.hasArg(options::OPT_dynamiclib)) {
3909 AddDarwinArch(Args, CmdArgs);
3910 // FIXME: Why do this only on this path?
3911 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL);
3913 Args.AddLastArg(CmdArgs, options::OPT_bundle);
3914 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader);
3915 Args.AddAllArgs(CmdArgs, options::OPT_client__name);
3918 if ((A = Args.getLastArg(options::OPT_compatibility__version)) ||
3919 (A = Args.getLastArg(options::OPT_current__version)) ||
3920 (A = Args.getLastArg(options::OPT_install__name)))
3921 D.Diag(diag::err_drv_argument_only_allowed_with)
3922 << A->getAsString(Args) << "-dynamiclib";
3924 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace);
3925 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs);
3926 Args.AddLastArg(CmdArgs, options::OPT_private__bundle);
3928 CmdArgs.push_back("-dylib");
3931 if ((A = Args.getLastArg(options::OPT_bundle)) ||
3932 (A = Args.getLastArg(options::OPT_bundle__loader)) ||
3933 (A = Args.getLastArg(options::OPT_client__name)) ||
3934 (A = Args.getLastArg(options::OPT_force__flat__namespace)) ||
3935 (A = Args.getLastArg(options::OPT_keep__private__externs)) ||
3936 (A = Args.getLastArg(options::OPT_private__bundle)))
3937 D.Diag(diag::err_drv_argument_not_allowed_with)
3938 << A->getAsString(Args) << "-dynamiclib";
3940 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version,
3941 "-dylib_compatibility_version");
3942 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version,
3943 "-dylib_current_version");
3945 AddDarwinArch(Args, CmdArgs);
3947 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name,
3948 "-dylib_install_name");
3951 Args.AddLastArg(CmdArgs, options::OPT_all__load);
3952 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client);
3953 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load);
3954 if (DarwinTC.isTargetIPhoneOS())
3955 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal);
3956 Args.AddLastArg(CmdArgs, options::OPT_dead__strip);
3957 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms);
3958 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file);
3959 Args.AddLastArg(CmdArgs, options::OPT_dynamic);
3960 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list);
3961 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace);
3962 Args.AddAllArgs(CmdArgs, options::OPT_force__load);
3963 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names);
3964 Args.AddAllArgs(CmdArgs, options::OPT_image__base);
3965 Args.AddAllArgs(CmdArgs, options::OPT_init);
3967 // Add the deployment target.
3968 VersionTuple TargetVersion = DarwinTC.getTargetVersion();
3970 // If we had an explicit -mios-simulator-version-min argument, honor that,
3971 // otherwise use the traditional deployment targets. We can't just check the
3972 // is-sim attribute because existing code follows this path, and the linker
3973 // may not handle the argument.
3975 // FIXME: We may be able to remove this, once we can verify no one depends on
3977 if (Args.hasArg(options::OPT_mios_simulator_version_min_EQ))
3978 CmdArgs.push_back("-ios_simulator_version_min");
3979 else if (DarwinTC.isTargetIPhoneOS())
3980 CmdArgs.push_back("-iphoneos_version_min");
3982 CmdArgs.push_back("-macosx_version_min");
3983 CmdArgs.push_back(Args.MakeArgString(TargetVersion.getAsString()));
3985 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs);
3986 Args.AddLastArg(CmdArgs, options::OPT_multi__module);
3987 Args.AddLastArg(CmdArgs, options::OPT_single__module);
3988 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
3989 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
3991 if (const Arg *A = Args.getLastArg(options::OPT_fpie, options::OPT_fPIE,
3992 options::OPT_fno_pie,
3993 options::OPT_fno_PIE)) {
3994 if (A->getOption().matches(options::OPT_fpie) ||
3995 A->getOption().matches(options::OPT_fPIE))
3996 CmdArgs.push_back("-pie");
3998 CmdArgs.push_back("-no_pie");
4001 Args.AddLastArg(CmdArgs, options::OPT_prebind);
4002 Args.AddLastArg(CmdArgs, options::OPT_noprebind);
4003 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding);
4004 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules);
4005 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs);
4006 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate);
4007 Args.AddAllArgs(CmdArgs, options::OPT_sectorder);
4008 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr);
4009 Args.AddAllArgs(CmdArgs, options::OPT_segprot);
4010 Args.AddAllArgs(CmdArgs, options::OPT_segaddr);
4011 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr);
4012 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr);
4013 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table);
4014 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename);
4015 Args.AddAllArgs(CmdArgs, options::OPT_sub__library);
4016 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella);
4018 // Give --sysroot= preference, over the Apple specific behavior to also use
4019 // --isysroot as the syslibroot.
4020 if (const Arg *A = Args.getLastArg(options::OPT__sysroot_EQ)) {
4021 CmdArgs.push_back("-syslibroot");
4022 CmdArgs.push_back(A->getValue(Args));
4023 } else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
4024 CmdArgs.push_back("-syslibroot");
4025 CmdArgs.push_back(A->getValue(Args));
4026 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
4027 CmdArgs.push_back("-syslibroot");
4028 CmdArgs.push_back("/Developer/SDKs/Extra");
4031 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace);
4032 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints);
4033 Args.AddAllArgs(CmdArgs, options::OPT_umbrella);
4034 Args.AddAllArgs(CmdArgs, options::OPT_undefined);
4035 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list);
4036 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches);
4037 Args.AddLastArg(CmdArgs, options::OPT_X_Flag);
4038 Args.AddAllArgs(CmdArgs, options::OPT_y);
4039 Args.AddLastArg(CmdArgs, options::OPT_w);
4040 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size);
4041 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__);
4042 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit);
4043 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit);
4044 Args.AddAllArgs(CmdArgs, options::OPT_sectalign);
4045 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols);
4046 Args.AddAllArgs(CmdArgs, options::OPT_segcreate);
4047 Args.AddLastArg(CmdArgs, options::OPT_whyload);
4048 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded);
4049 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name);
4050 Args.AddLastArg(CmdArgs, options::OPT_dylinker);
4051 Args.AddLastArg(CmdArgs, options::OPT_Mach);
4054 void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
4055 const InputInfo &Output,
4056 const InputInfoList &Inputs,
4057 const ArgList &Args,
4058 const char *LinkingOutput) const {
4059 assert(Output.getType() == types::TY_Image && "Invalid linker output type.");
4061 // The logic here is derived from gcc's behavior; most of which
4062 // comes from specs (starting with link_command). Consult gcc for
4063 // more information.
4064 ArgStringList CmdArgs;
4066 /// Hack(tm) to ignore linking errors when we are doing ARC migration.
4067 if (Args.hasArg(options::OPT_ccc_arcmt_check,
4068 options::OPT_ccc_arcmt_migrate)) {
4069 for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I)
4072 Args.MakeArgString(getToolChain().GetProgramPath("touch"));
4073 CmdArgs.push_back(Output.getFilename());
4074 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4078 // I'm not sure why this particular decomposition exists in gcc, but
4079 // we follow suite for ease of comparison.
4080 AddLinkArgs(C, Args, CmdArgs);
4082 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag);
4083 Args.AddAllArgs(CmdArgs, options::OPT_s);
4084 Args.AddAllArgs(CmdArgs, options::OPT_t);
4085 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
4086 Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
4087 Args.AddAllArgs(CmdArgs, options::OPT_A);
4088 Args.AddLastArg(CmdArgs, options::OPT_e);
4089 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate);
4090 Args.AddAllArgs(CmdArgs, options::OPT_r);
4092 // Forward -ObjC when either -ObjC or -ObjC++ is used, to force loading
4093 // members of static archive libraries which implement Objective-C classes or
4095 if (Args.hasArg(options::OPT_ObjC) || Args.hasArg(options::OPT_ObjCXX))
4096 CmdArgs.push_back("-ObjC");
4098 CmdArgs.push_back("-o");
4099 CmdArgs.push_back(Output.getFilename());
4101 if (!Args.hasArg(options::OPT_A) &&
4102 !Args.hasArg(options::OPT_nostdlib) &&
4103 !Args.hasArg(options::OPT_nostartfiles)) {
4104 // Derived from startfile spec.
4105 if (Args.hasArg(options::OPT_dynamiclib)) {
4106 // Derived from darwin_dylib1 spec.
4107 if (getDarwinToolChain().isTargetIOSSimulator()) {
4108 // The simulator doesn't have a versioned crt1 file.
4109 CmdArgs.push_back("-ldylib1.o");
4110 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
4111 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
4112 CmdArgs.push_back("-ldylib1.o");
4114 if (getDarwinToolChain().isMacosxVersionLT(10, 5))
4115 CmdArgs.push_back("-ldylib1.o");
4116 else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
4117 CmdArgs.push_back("-ldylib1.10.5.o");
4120 if (Args.hasArg(options::OPT_bundle)) {
4121 if (!Args.hasArg(options::OPT_static)) {
4122 // Derived from darwin_bundle1 spec.
4123 if (getDarwinToolChain().isTargetIOSSimulator()) {
4124 // The simulator doesn't have a versioned crt1 file.
4125 CmdArgs.push_back("-lbundle1.o");
4126 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
4127 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
4128 CmdArgs.push_back("-lbundle1.o");
4130 if (getDarwinToolChain().isMacosxVersionLT(10, 6))
4131 CmdArgs.push_back("-lbundle1.o");
4135 if (Args.hasArg(options::OPT_pg) &&
4136 getToolChain().SupportsProfiling()) {
4137 if (Args.hasArg(options::OPT_static) ||
4138 Args.hasArg(options::OPT_object) ||
4139 Args.hasArg(options::OPT_preload)) {
4140 CmdArgs.push_back("-lgcrt0.o");
4142 CmdArgs.push_back("-lgcrt1.o");
4144 // darwin_crt2 spec is empty.
4147 if (Args.hasArg(options::OPT_static) ||
4148 Args.hasArg(options::OPT_object) ||
4149 Args.hasArg(options::OPT_preload)) {
4150 CmdArgs.push_back("-lcrt0.o");
4152 // Derived from darwin_crt1 spec.
4153 if (getDarwinToolChain().isTargetIOSSimulator()) {
4154 // The simulator doesn't have a versioned crt1 file.
4155 CmdArgs.push_back("-lcrt1.o");
4156 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
4157 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
4158 CmdArgs.push_back("-lcrt1.o");
4160 CmdArgs.push_back("-lcrt1.3.1.o");
4162 if (getDarwinToolChain().isMacosxVersionLT(10, 5))
4163 CmdArgs.push_back("-lcrt1.o");
4164 else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
4165 CmdArgs.push_back("-lcrt1.10.5.o");
4166 else if (getDarwinToolChain().isMacosxVersionLT(10, 8))
4167 CmdArgs.push_back("-lcrt1.10.6.o");
4169 // darwin_crt2 spec is empty.
4176 if (!getDarwinToolChain().isTargetIPhoneOS() &&
4177 Args.hasArg(options::OPT_shared_libgcc) &&
4178 getDarwinToolChain().isMacosxVersionLT(10, 5)) {
4180 Args.MakeArgString(getToolChain().GetFilePath("crt3.o"));
4181 CmdArgs.push_back(Str);
4185 Args.AddAllArgs(CmdArgs, options::OPT_L);
4187 // If we're building a dynamic lib with -faddress-sanitizer, unresolved
4188 // symbols may appear. Mark all of them as dynamic_lookup.
4189 // Linking executables is handled in lib/Driver/ToolChains.cpp.
4190 if (Args.hasFlag(options::OPT_faddress_sanitizer,
4191 options::OPT_fno_address_sanitizer, false)) {
4192 if (Args.hasArg(options::OPT_dynamiclib) ||
4193 Args.hasArg(options::OPT_bundle)) {
4194 CmdArgs.push_back("-undefined");
4195 CmdArgs.push_back("dynamic_lookup");
4199 if (Args.hasArg(options::OPT_fopenmp))
4200 // This is more complicated in gcc...
4201 CmdArgs.push_back("-lgomp");
4203 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs);
4205 if (isObjCRuntimeLinked(Args)) {
4206 // Avoid linking compatibility stubs on i386 mac.
4207 if (!getDarwinToolChain().isTargetMacOS() ||
4208 getDarwinToolChain().getArchName() != "i386") {
4209 // If we don't have ARC or subscripting runtime support, link in the
4210 // runtime stubs. We have to do this *before* adding any of the normal
4211 // linker inputs so that its initializer gets run first.
4212 ObjCRuntime runtime;
4213 getDarwinToolChain().configureObjCRuntime(runtime);
4214 // We use arclite library for both ARC and subscripting support.
4215 if ((!runtime.HasARC && isObjCAutoRefCount(Args)) ||
4216 !runtime.HasSubscripting)
4217 getDarwinToolChain().AddLinkARCArgs(Args, CmdArgs);
4218 CmdArgs.push_back("-framework");
4219 CmdArgs.push_back("Foundation");
4222 CmdArgs.push_back("-lobjc");
4225 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4227 if (LinkingOutput) {
4228 CmdArgs.push_back("-arch_multiple");
4229 CmdArgs.push_back("-final_output");
4230 CmdArgs.push_back(LinkingOutput);
4233 if (Args.hasArg(options::OPT_fnested_functions))
4234 CmdArgs.push_back("-allow_stack_execute");
4236 if (!Args.hasArg(options::OPT_nostdlib) &&
4237 !Args.hasArg(options::OPT_nodefaultlibs)) {
4238 if (getToolChain().getDriver().CCCIsCXX)
4239 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4241 // link_ssp spec is empty.
4243 // Let the tool chain choose which runtime library to link.
4244 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs);
4247 if (!Args.hasArg(options::OPT_A) &&
4248 !Args.hasArg(options::OPT_nostdlib) &&
4249 !Args.hasArg(options::OPT_nostartfiles)) {
4250 // endfile_spec is empty.
4253 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4254 Args.AddAllArgs(CmdArgs, options::OPT_F);
4257 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4258 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4261 void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
4262 const InputInfo &Output,
4263 const InputInfoList &Inputs,
4264 const ArgList &Args,
4265 const char *LinkingOutput) const {
4266 ArgStringList CmdArgs;
4268 CmdArgs.push_back("-create");
4269 assert(Output.isFilename() && "Unexpected lipo output.");
4271 CmdArgs.push_back("-output");
4272 CmdArgs.push_back(Output.getFilename());
4274 for (InputInfoList::const_iterator
4275 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4276 const InputInfo &II = *it;
4277 assert(II.isFilename() && "Unexpected lipo input.");
4278 CmdArgs.push_back(II.getFilename());
4281 Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
4282 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4285 void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA,
4286 const InputInfo &Output,
4287 const InputInfoList &Inputs,
4288 const ArgList &Args,
4289 const char *LinkingOutput) const {
4290 ArgStringList CmdArgs;
4292 CmdArgs.push_back("-o");
4293 CmdArgs.push_back(Output.getFilename());
4295 assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
4296 const InputInfo &Input = Inputs[0];
4297 assert(Input.isFilename() && "Unexpected dsymutil input.");
4298 CmdArgs.push_back(Input.getFilename());
4301 Args.MakeArgString(getToolChain().GetProgramPath("dsymutil"));
4302 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4305 void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA,
4306 const InputInfo &Output,
4307 const InputInfoList &Inputs,
4308 const ArgList &Args,
4309 const char *LinkingOutput) const {
4310 ArgStringList CmdArgs;
4311 CmdArgs.push_back("--verify");
4312 CmdArgs.push_back("--debug-info");
4313 CmdArgs.push_back("--eh-frame");
4314 CmdArgs.push_back("--quiet");
4316 assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
4317 const InputInfo &Input = Inputs[0];
4318 assert(Input.isFilename() && "Unexpected verify input");
4320 // Grabbing the output of the earlier dsymutil run.
4321 CmdArgs.push_back(Input.getFilename());
4324 Args.MakeArgString(getToolChain().GetProgramPath("dwarfdump"));
4325 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4328 void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4329 const InputInfo &Output,
4330 const InputInfoList &Inputs,
4331 const ArgList &Args,
4332 const char *LinkingOutput) const {
4333 ArgStringList CmdArgs;
4335 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4336 options::OPT_Xassembler);
4338 CmdArgs.push_back("-o");
4339 CmdArgs.push_back(Output.getFilename());
4341 for (InputInfoList::const_iterator
4342 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4343 const InputInfo &II = *it;
4344 CmdArgs.push_back(II.getFilename());
4348 Args.MakeArgString(getToolChain().GetProgramPath("as"));
4349 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4353 void solaris::Link::ConstructJob(Compilation &C, const JobAction &JA,
4354 const InputInfo &Output,
4355 const InputInfoList &Inputs,
4356 const ArgList &Args,
4357 const char *LinkingOutput) const {
4358 // FIXME: Find a real GCC, don't hard-code versions here
4359 std::string GCCLibPath = "/usr/gcc/4.5/lib/gcc/";
4360 const llvm::Triple &T = getToolChain().getTriple();
4361 std::string LibPath = "/usr/lib/";
4362 llvm::Triple::ArchType Arch = T.getArch();
4364 case llvm::Triple::x86:
4365 GCCLibPath += ("i386-" + T.getVendorName() + "-" +
4366 T.getOSName()).str() + "/4.5.2/";
4368 case llvm::Triple::x86_64:
4369 GCCLibPath += ("i386-" + T.getVendorName() + "-" +
4370 T.getOSName()).str();
4371 GCCLibPath += "/4.5.2/amd64/";
4372 LibPath += "amd64/";
4375 assert(0 && "Unsupported architecture");
4378 ArgStringList CmdArgs;
4380 // Demangle C++ names in errors
4381 CmdArgs.push_back("-C");
4383 if ((!Args.hasArg(options::OPT_nostdlib)) &&
4384 (!Args.hasArg(options::OPT_shared))) {
4385 CmdArgs.push_back("-e");
4386 CmdArgs.push_back("_start");
4389 if (Args.hasArg(options::OPT_static)) {
4390 CmdArgs.push_back("-Bstatic");
4391 CmdArgs.push_back("-dn");
4393 CmdArgs.push_back("-Bdynamic");
4394 if (Args.hasArg(options::OPT_shared)) {
4395 CmdArgs.push_back("-shared");
4397 CmdArgs.push_back("--dynamic-linker");
4398 CmdArgs.push_back(Args.MakeArgString(LibPath + "ld.so.1"));
4402 if (Output.isFilename()) {
4403 CmdArgs.push_back("-o");
4404 CmdArgs.push_back(Output.getFilename());
4406 assert(Output.isNothing() && "Invalid output.");
4409 if (!Args.hasArg(options::OPT_nostdlib) &&
4410 !Args.hasArg(options::OPT_nostartfiles)) {
4411 if (!Args.hasArg(options::OPT_shared)) {
4412 CmdArgs.push_back(Args.MakeArgString(LibPath + "crt1.o"));
4413 CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o"));
4414 CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o"));
4415 CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o"));
4417 CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o"));
4418 CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o"));
4419 CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o"));
4421 if (getToolChain().getDriver().CCCIsCXX)
4422 CmdArgs.push_back(Args.MakeArgString(LibPath + "cxa_finalize.o"));
4425 CmdArgs.push_back(Args.MakeArgString("-L" + GCCLibPath));
4427 Args.AddAllArgs(CmdArgs, options::OPT_L);
4428 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4429 Args.AddAllArgs(CmdArgs, options::OPT_e);
4430 Args.AddAllArgs(CmdArgs, options::OPT_r);
4432 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4434 if (!Args.hasArg(options::OPT_nostdlib) &&
4435 !Args.hasArg(options::OPT_nodefaultlibs)) {
4436 if (getToolChain().getDriver().CCCIsCXX)
4437 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4438 CmdArgs.push_back("-lgcc_s");
4439 if (!Args.hasArg(options::OPT_shared)) {
4440 CmdArgs.push_back("-lgcc");
4441 CmdArgs.push_back("-lc");
4442 CmdArgs.push_back("-lm");
4446 if (!Args.hasArg(options::OPT_nostdlib) &&
4447 !Args.hasArg(options::OPT_nostartfiles)) {
4448 CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtend.o"));
4450 CmdArgs.push_back(Args.MakeArgString(LibPath + "crtn.o"));
4452 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4455 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4456 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4459 void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4460 const InputInfo &Output,
4461 const InputInfoList &Inputs,
4462 const ArgList &Args,
4463 const char *LinkingOutput) const {
4464 ArgStringList CmdArgs;
4466 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4467 options::OPT_Xassembler);
4469 CmdArgs.push_back("-o");
4470 CmdArgs.push_back(Output.getFilename());
4472 for (InputInfoList::const_iterator
4473 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4474 const InputInfo &II = *it;
4475 CmdArgs.push_back(II.getFilename());
4479 Args.MakeArgString(getToolChain().GetProgramPath("gas"));
4480 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4483 void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
4484 const InputInfo &Output,
4485 const InputInfoList &Inputs,
4486 const ArgList &Args,
4487 const char *LinkingOutput) const {
4488 ArgStringList CmdArgs;
4490 if ((!Args.hasArg(options::OPT_nostdlib)) &&
4491 (!Args.hasArg(options::OPT_shared))) {
4492 CmdArgs.push_back("-e");
4493 CmdArgs.push_back("_start");
4496 if (Args.hasArg(options::OPT_static)) {
4497 CmdArgs.push_back("-Bstatic");
4498 CmdArgs.push_back("-dn");
4500 // CmdArgs.push_back("--eh-frame-hdr");
4501 CmdArgs.push_back("-Bdynamic");
4502 if (Args.hasArg(options::OPT_shared)) {
4503 CmdArgs.push_back("-shared");
4505 CmdArgs.push_back("--dynamic-linker");
4506 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1
4510 if (Output.isFilename()) {
4511 CmdArgs.push_back("-o");
4512 CmdArgs.push_back(Output.getFilename());
4514 assert(Output.isNothing() && "Invalid output.");
4517 if (!Args.hasArg(options::OPT_nostdlib) &&
4518 !Args.hasArg(options::OPT_nostartfiles)) {
4519 if (!Args.hasArg(options::OPT_shared)) {
4520 CmdArgs.push_back(Args.MakeArgString(
4521 getToolChain().GetFilePath("crt1.o")));
4522 CmdArgs.push_back(Args.MakeArgString(
4523 getToolChain().GetFilePath("crti.o")));
4524 CmdArgs.push_back(Args.MakeArgString(
4525 getToolChain().GetFilePath("crtbegin.o")));
4527 CmdArgs.push_back(Args.MakeArgString(
4528 getToolChain().GetFilePath("crti.o")));
4530 CmdArgs.push_back(Args.MakeArgString(
4531 getToolChain().GetFilePath("crtn.o")));
4534 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/"
4535 + getToolChain().getTripleString()
4538 Args.AddAllArgs(CmdArgs, options::OPT_L);
4539 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4540 Args.AddAllArgs(CmdArgs, options::OPT_e);
4542 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4544 if (!Args.hasArg(options::OPT_nostdlib) &&
4545 !Args.hasArg(options::OPT_nodefaultlibs)) {
4546 // FIXME: For some reason GCC passes -lgcc before adding
4547 // the default system libraries. Just mimic this for now.
4548 CmdArgs.push_back("-lgcc");
4550 if (Args.hasArg(options::OPT_pthread))
4551 CmdArgs.push_back("-pthread");
4552 if (!Args.hasArg(options::OPT_shared))
4553 CmdArgs.push_back("-lc");
4554 CmdArgs.push_back("-lgcc");
4557 if (!Args.hasArg(options::OPT_nostdlib) &&
4558 !Args.hasArg(options::OPT_nostartfiles)) {
4559 if (!Args.hasArg(options::OPT_shared))
4560 CmdArgs.push_back(Args.MakeArgString(
4561 getToolChain().GetFilePath("crtend.o")));
4564 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4567 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4568 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4571 void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4572 const InputInfo &Output,
4573 const InputInfoList &Inputs,
4574 const ArgList &Args,
4575 const char *LinkingOutput) const {
4576 ArgStringList CmdArgs;
4578 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4579 options::OPT_Xassembler);
4581 CmdArgs.push_back("-o");
4582 CmdArgs.push_back(Output.getFilename());
4584 for (InputInfoList::const_iterator
4585 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4586 const InputInfo &II = *it;
4587 CmdArgs.push_back(II.getFilename());
4591 Args.MakeArgString(getToolChain().GetProgramPath("as"));
4592 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4595 void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
4596 const InputInfo &Output,
4597 const InputInfoList &Inputs,
4598 const ArgList &Args,
4599 const char *LinkingOutput) const {
4600 const Driver &D = getToolChain().getDriver();
4601 ArgStringList CmdArgs;
4603 if ((!Args.hasArg(options::OPT_nostdlib)) &&
4604 (!Args.hasArg(options::OPT_shared))) {
4605 CmdArgs.push_back("-e");
4606 CmdArgs.push_back("__start");
4609 if (Args.hasArg(options::OPT_static)) {
4610 CmdArgs.push_back("-Bstatic");
4612 if (Args.hasArg(options::OPT_rdynamic))
4613 CmdArgs.push_back("-export-dynamic");
4614 CmdArgs.push_back("--eh-frame-hdr");
4615 CmdArgs.push_back("-Bdynamic");
4616 if (Args.hasArg(options::OPT_shared)) {
4617 CmdArgs.push_back("-shared");
4619 CmdArgs.push_back("-dynamic-linker");
4620 CmdArgs.push_back("/usr/libexec/ld.so");
4624 if (Output.isFilename()) {
4625 CmdArgs.push_back("-o");
4626 CmdArgs.push_back(Output.getFilename());
4628 assert(Output.isNothing() && "Invalid output.");
4631 if (!Args.hasArg(options::OPT_nostdlib) &&
4632 !Args.hasArg(options::OPT_nostartfiles)) {
4633 if (!Args.hasArg(options::OPT_shared)) {
4634 if (Args.hasArg(options::OPT_pg))
4635 CmdArgs.push_back(Args.MakeArgString(
4636 getToolChain().GetFilePath("gcrt0.o")));
4638 CmdArgs.push_back(Args.MakeArgString(
4639 getToolChain().GetFilePath("crt0.o")));
4640 CmdArgs.push_back(Args.MakeArgString(
4641 getToolChain().GetFilePath("crtbegin.o")));
4643 CmdArgs.push_back(Args.MakeArgString(
4644 getToolChain().GetFilePath("crtbeginS.o")));
4648 std::string Triple = getToolChain().getTripleString();
4649 if (Triple.substr(0, 6) == "x86_64")
4650 Triple.replace(0, 6, "amd64");
4651 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple +
4654 Args.AddAllArgs(CmdArgs, options::OPT_L);
4655 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4656 Args.AddAllArgs(CmdArgs, options::OPT_e);
4658 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4660 if (!Args.hasArg(options::OPT_nostdlib) &&
4661 !Args.hasArg(options::OPT_nodefaultlibs)) {
4663 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4664 if (Args.hasArg(options::OPT_pg))
4665 CmdArgs.push_back("-lm_p");
4667 CmdArgs.push_back("-lm");
4670 // FIXME: For some reason GCC passes -lgcc before adding
4671 // the default system libraries. Just mimic this for now.
4672 CmdArgs.push_back("-lgcc");
4674 if (Args.hasArg(options::OPT_pthread))
4675 CmdArgs.push_back("-lpthread");
4676 if (!Args.hasArg(options::OPT_shared)) {
4677 if (Args.hasArg(options::OPT_pg))
4678 CmdArgs.push_back("-lc_p");
4680 CmdArgs.push_back("-lc");
4682 CmdArgs.push_back("-lgcc");
4685 if (!Args.hasArg(options::OPT_nostdlib) &&
4686 !Args.hasArg(options::OPT_nostartfiles)) {
4687 if (!Args.hasArg(options::OPT_shared))
4688 CmdArgs.push_back(Args.MakeArgString(
4689 getToolChain().GetFilePath("crtend.o")));
4691 CmdArgs.push_back(Args.MakeArgString(
4692 getToolChain().GetFilePath("crtendS.o")));
4696 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4697 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4700 void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4701 const InputInfo &Output,
4702 const InputInfoList &Inputs,
4703 const ArgList &Args,
4704 const char *LinkingOutput) const {
4705 ArgStringList CmdArgs;
4707 // When building 32-bit code on FreeBSD/amd64, we have to explicitly
4708 // instruct as in the base system to assemble 32-bit code.
4709 if (getToolChain().getArchName() == "i386")
4710 CmdArgs.push_back("--32");
4712 if (getToolChain().getArchName() == "powerpc")
4713 CmdArgs.push_back("-a32");
4715 // Set byte order explicitly
4716 if (getToolChain().getArchName() == "mips")
4717 CmdArgs.push_back("-EB");
4718 else if (getToolChain().getArchName() == "mipsel")
4719 CmdArgs.push_back("-EL");
4721 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4722 options::OPT_Xassembler);
4724 CmdArgs.push_back("-o");
4725 CmdArgs.push_back(Output.getFilename());
4727 for (InputInfoList::const_iterator
4728 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4729 const InputInfo &II = *it;
4730 CmdArgs.push_back(II.getFilename());
4734 Args.MakeArgString(getToolChain().GetProgramPath("as"));
4735 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4738 void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
4739 const InputInfo &Output,
4740 const InputInfoList &Inputs,
4741 const ArgList &Args,
4742 const char *LinkingOutput) const {
4743 const Driver &D = getToolChain().getDriver();
4744 ArgStringList CmdArgs;
4746 if (!D.SysRoot.empty())
4747 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
4749 if (Args.hasArg(options::OPT_static)) {
4750 CmdArgs.push_back("-Bstatic");
4752 if (Args.hasArg(options::OPT_rdynamic))
4753 CmdArgs.push_back("-export-dynamic");
4754 CmdArgs.push_back("--eh-frame-hdr");
4755 if (Args.hasArg(options::OPT_shared)) {
4756 CmdArgs.push_back("-Bshareable");
4758 CmdArgs.push_back("-dynamic-linker");
4759 CmdArgs.push_back("/libexec/ld-elf.so.1");
4763 // When building 32-bit code on FreeBSD/amd64, we have to explicitly
4764 // instruct ld in the base system to link 32-bit code.
4765 if (getToolChain().getArchName() == "i386") {
4766 CmdArgs.push_back("-m");
4767 CmdArgs.push_back("elf_i386_fbsd");
4770 if (getToolChain().getArchName() == "powerpc") {
4771 CmdArgs.push_back("-m");
4772 CmdArgs.push_back("elf32ppc_fbsd");
4775 if (Output.isFilename()) {
4776 CmdArgs.push_back("-o");
4777 CmdArgs.push_back(Output.getFilename());
4779 assert(Output.isNothing() && "Invalid output.");
4782 if (!Args.hasArg(options::OPT_nostdlib) &&
4783 !Args.hasArg(options::OPT_nostartfiles)) {
4784 if (!Args.hasArg(options::OPT_shared)) {
4785 if (Args.hasArg(options::OPT_pg))
4786 CmdArgs.push_back(Args.MakeArgString(
4787 getToolChain().GetFilePath("gcrt1.o")));
4789 const char *crt = Args.hasArg(options::OPT_pie) ? "Scrt1.o" : "crt1.o";
4790 CmdArgs.push_back(Args.MakeArgString(
4791 getToolChain().GetFilePath(crt)));
4793 CmdArgs.push_back(Args.MakeArgString(
4794 getToolChain().GetFilePath("crti.o")));
4795 CmdArgs.push_back(Args.MakeArgString(
4796 getToolChain().GetFilePath("crtbegin.o")));
4798 CmdArgs.push_back(Args.MakeArgString(
4799 getToolChain().GetFilePath("crti.o")));
4800 CmdArgs.push_back(Args.MakeArgString(
4801 getToolChain().GetFilePath("crtbeginS.o")));
4805 Args.AddAllArgs(CmdArgs, options::OPT_L);
4806 const ToolChain::path_list Paths = getToolChain().getFilePaths();
4807 for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
4809 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
4810 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4811 Args.AddAllArgs(CmdArgs, options::OPT_e);
4812 Args.AddAllArgs(CmdArgs, options::OPT_s);
4813 Args.AddAllArgs(CmdArgs, options::OPT_t);
4814 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
4815 Args.AddAllArgs(CmdArgs, options::OPT_r);
4817 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4819 if (!Args.hasArg(options::OPT_nostdlib) &&
4820 !Args.hasArg(options::OPT_nodefaultlibs)) {
4822 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4823 if (Args.hasArg(options::OPT_pg))
4824 CmdArgs.push_back("-lm_p");
4826 CmdArgs.push_back("-lm");
4828 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
4829 // the default system libraries. Just mimic this for now.
4830 if (Args.hasArg(options::OPT_pg))
4831 CmdArgs.push_back("-lgcc_p");
4833 CmdArgs.push_back("-lgcc");
4834 if (Args.hasArg(options::OPT_static)) {
4835 CmdArgs.push_back("-lgcc_eh");
4836 } else if (Args.hasArg(options::OPT_pg)) {
4837 CmdArgs.push_back("-lgcc_eh_p");
4839 CmdArgs.push_back("--as-needed");
4840 CmdArgs.push_back("-lgcc_s");
4841 CmdArgs.push_back("--no-as-needed");
4844 if (Args.hasArg(options::OPT_pthread)) {
4845 if (Args.hasArg(options::OPT_pg))
4846 CmdArgs.push_back("-lpthread_p");
4848 CmdArgs.push_back("-lpthread");
4851 if (Args.hasArg(options::OPT_pg)) {
4852 if (Args.hasArg(options::OPT_shared))
4853 CmdArgs.push_back("-lc");
4855 CmdArgs.push_back("-lc_p");
4856 CmdArgs.push_back("-lgcc_p");
4858 CmdArgs.push_back("-lc");
4859 CmdArgs.push_back("-lgcc");
4862 if (Args.hasArg(options::OPT_static)) {
4863 CmdArgs.push_back("-lgcc_eh");
4864 } else if (Args.hasArg(options::OPT_pg)) {
4865 CmdArgs.push_back("-lgcc_eh_p");
4867 CmdArgs.push_back("--as-needed");
4868 CmdArgs.push_back("-lgcc_s");
4869 CmdArgs.push_back("--no-as-needed");
4873 if (!Args.hasArg(options::OPT_nostdlib) &&
4874 !Args.hasArg(options::OPT_nostartfiles)) {
4875 if (!Args.hasArg(options::OPT_shared))
4876 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4879 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4881 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4885 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4888 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4889 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4892 void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4893 const InputInfo &Output,
4894 const InputInfoList &Inputs,
4895 const ArgList &Args,
4896 const char *LinkingOutput) const {
4897 ArgStringList CmdArgs;
4899 // When building 32-bit code on NetBSD/amd64, we have to explicitly
4900 // instruct as in the base system to assemble 32-bit code.
4901 if (getToolChain().getArch() == llvm::Triple::x86)
4902 CmdArgs.push_back("--32");
4904 // Set byte order explicitly
4905 if (getToolChain().getArchName() == "mips")
4906 CmdArgs.push_back("-EB");
4907 else if (getToolChain().getArchName() == "mipsel")
4908 CmdArgs.push_back("-EL");
4910 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4911 options::OPT_Xassembler);
4913 CmdArgs.push_back("-o");
4914 CmdArgs.push_back(Output.getFilename());
4916 for (InputInfoList::const_iterator
4917 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4918 const InputInfo &II = *it;
4919 CmdArgs.push_back(II.getFilename());
4922 const char *Exec = Args.MakeArgString((getToolChain().GetProgramPath("as")));
4923 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4926 void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
4927 const InputInfo &Output,
4928 const InputInfoList &Inputs,
4929 const ArgList &Args,
4930 const char *LinkingOutput) const {
4931 const Driver &D = getToolChain().getDriver();
4932 ArgStringList CmdArgs;
4934 if (!D.SysRoot.empty())
4935 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
4937 if (Args.hasArg(options::OPT_static)) {
4938 CmdArgs.push_back("-Bstatic");
4940 if (Args.hasArg(options::OPT_rdynamic))
4941 CmdArgs.push_back("-export-dynamic");
4942 CmdArgs.push_back("--eh-frame-hdr");
4943 if (Args.hasArg(options::OPT_shared)) {
4944 CmdArgs.push_back("-Bshareable");
4946 CmdArgs.push_back("-dynamic-linker");
4947 CmdArgs.push_back("/libexec/ld.elf_so");
4951 // When building 32-bit code on NetBSD/amd64, we have to explicitly
4952 // instruct ld in the base system to link 32-bit code.
4953 if (getToolChain().getArch() == llvm::Triple::x86) {
4954 CmdArgs.push_back("-m");
4955 CmdArgs.push_back("elf_i386");
4958 if (Output.isFilename()) {
4959 CmdArgs.push_back("-o");
4960 CmdArgs.push_back(Output.getFilename());
4962 assert(Output.isNothing() && "Invalid output.");
4965 if (!Args.hasArg(options::OPT_nostdlib) &&
4966 !Args.hasArg(options::OPT_nostartfiles)) {
4967 if (!Args.hasArg(options::OPT_shared)) {
4968 CmdArgs.push_back(Args.MakeArgString(
4969 getToolChain().GetFilePath("crt0.o")));
4970 CmdArgs.push_back(Args.MakeArgString(
4971 getToolChain().GetFilePath("crti.o")));
4972 CmdArgs.push_back(Args.MakeArgString(
4973 getToolChain().GetFilePath("crtbegin.o")));
4975 CmdArgs.push_back(Args.MakeArgString(
4976 getToolChain().GetFilePath("crti.o")));
4977 CmdArgs.push_back(Args.MakeArgString(
4978 getToolChain().GetFilePath("crtbeginS.o")));
4982 Args.AddAllArgs(CmdArgs, options::OPT_L);
4983 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4984 Args.AddAllArgs(CmdArgs, options::OPT_e);
4985 Args.AddAllArgs(CmdArgs, options::OPT_s);
4986 Args.AddAllArgs(CmdArgs, options::OPT_t);
4987 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
4988 Args.AddAllArgs(CmdArgs, options::OPT_r);
4990 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4992 if (!Args.hasArg(options::OPT_nostdlib) &&
4993 !Args.hasArg(options::OPT_nodefaultlibs)) {
4995 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4996 CmdArgs.push_back("-lm");
4998 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
4999 // the default system libraries. Just mimic this for now.
5000 if (Args.hasArg(options::OPT_static)) {
5001 CmdArgs.push_back("-lgcc_eh");
5003 CmdArgs.push_back("--as-needed");
5004 CmdArgs.push_back("-lgcc_s");
5005 CmdArgs.push_back("--no-as-needed");
5007 CmdArgs.push_back("-lgcc");
5009 if (Args.hasArg(options::OPT_pthread))
5010 CmdArgs.push_back("-lpthread");
5011 CmdArgs.push_back("-lc");
5013 CmdArgs.push_back("-lgcc");
5014 if (Args.hasArg(options::OPT_static)) {
5015 CmdArgs.push_back("-lgcc_eh");
5017 CmdArgs.push_back("--as-needed");
5018 CmdArgs.push_back("-lgcc_s");
5019 CmdArgs.push_back("--no-as-needed");
5023 if (!Args.hasArg(options::OPT_nostdlib) &&
5024 !Args.hasArg(options::OPT_nostartfiles)) {
5025 if (!Args.hasArg(options::OPT_shared))
5026 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
5029 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
5031 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
5035 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
5037 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
5038 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
5041 void linuxtools::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
5042 const InputInfo &Output,
5043 const InputInfoList &Inputs,
5044 const ArgList &Args,
5045 const char *LinkingOutput) const {
5046 ArgStringList CmdArgs;
5048 // Add --32/--64 to make sure we get the format we want.
5049 // This is incomplete
5050 if (getToolChain().getArch() == llvm::Triple::x86) {
5051 CmdArgs.push_back("--32");
5052 } else if (getToolChain().getArch() == llvm::Triple::x86_64) {
5053 CmdArgs.push_back("--64");
5054 } else if (getToolChain().getArch() == llvm::Triple::ppc) {
5055 CmdArgs.push_back("-a32");
5056 CmdArgs.push_back("-mppc");
5057 CmdArgs.push_back("-many");
5058 } else if (getToolChain().getArch() == llvm::Triple::ppc64) {
5059 CmdArgs.push_back("-a64");
5060 CmdArgs.push_back("-mppc64");
5061 CmdArgs.push_back("-many");
5062 } else if (getToolChain().getArch() == llvm::Triple::arm) {
5063 StringRef MArch = getToolChain().getArchName();
5064 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
5065 CmdArgs.push_back("-mfpu=neon");
5066 } else if (getToolChain().getArch() == llvm::Triple::mips ||
5067 getToolChain().getArch() == llvm::Triple::mipsel ||
5068 getToolChain().getArch() == llvm::Triple::mips64 ||
5069 getToolChain().getArch() == llvm::Triple::mips64el) {
5072 getMipsCPUAndABI(Args, getToolChain(), CPUName, ABIName);
5074 CmdArgs.push_back("-march");
5075 CmdArgs.push_back(CPUName.data());
5077 // Convert ABI name to the GNU tools acceptable variant.
5078 if (ABIName == "o32")
5080 else if (ABIName == "n64")
5083 CmdArgs.push_back("-mabi");
5084 CmdArgs.push_back(ABIName.data());
5086 if (getToolChain().getArch() == llvm::Triple::mips ||
5087 getToolChain().getArch() == llvm::Triple::mips64)
5088 CmdArgs.push_back("-EB");
5090 CmdArgs.push_back("-EL");
5093 Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
5094 Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ);
5095 Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ);
5097 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
5098 options::OPT_Xassembler);
5100 CmdArgs.push_back("-o");
5101 CmdArgs.push_back(Output.getFilename());
5103 for (InputInfoList::const_iterator
5104 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
5105 const InputInfo &II = *it;
5106 CmdArgs.push_back(II.getFilename());
5110 Args.MakeArgString(getToolChain().GetProgramPath("as"));
5111 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
5114 static void AddLibgcc(const Driver &D, ArgStringList &CmdArgs,
5115 const ArgList &Args) {
5116 bool StaticLibgcc = Args.hasArg(options::OPT_static) ||
5117 Args.hasArg(options::OPT_static_libgcc);
5119 CmdArgs.push_back("-lgcc");
5123 CmdArgs.push_back("-lgcc");
5126 CmdArgs.push_back("--as-needed");
5127 CmdArgs.push_back("-lgcc_s");
5129 CmdArgs.push_back("--no-as-needed");
5133 CmdArgs.push_back("-lgcc_eh");
5134 else if (!Args.hasArg(options::OPT_shared) && D.CCCIsCXX)
5135 CmdArgs.push_back("-lgcc");
5138 void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
5139 const InputInfo &Output,
5140 const InputInfoList &Inputs,
5141 const ArgList &Args,
5142 const char *LinkingOutput) const {
5143 const toolchains::Linux& ToolChain =
5144 static_cast<const toolchains::Linux&>(getToolChain());
5145 const Driver &D = ToolChain.getDriver();
5146 ArgStringList CmdArgs;
5148 // Silence warning for "clang -g foo.o -o foo"
5149 Args.ClaimAllArgs(options::OPT_g_Group);
5150 // and "clang -emit-llvm foo.o -o foo"
5151 Args.ClaimAllArgs(options::OPT_emit_llvm);
5152 // and for "clang -g foo.o -o foo". Other warning options are already
5153 // handled somewhere else.
5154 Args.ClaimAllArgs(options::OPT_w);
5156 if (!D.SysRoot.empty())
5157 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
5159 if (Args.hasArg(options::OPT_pie))
5160 CmdArgs.push_back("-pie");
5162 if (Args.hasArg(options::OPT_rdynamic))
5163 CmdArgs.push_back("-export-dynamic");
5165 if (Args.hasArg(options::OPT_s))
5166 CmdArgs.push_back("-s");
5168 for (std::vector<std::string>::const_iterator i = ToolChain.ExtraOpts.begin(),
5169 e = ToolChain.ExtraOpts.end();
5171 CmdArgs.push_back(i->c_str());
5173 if (!Args.hasArg(options::OPT_static)) {
5174 CmdArgs.push_back("--eh-frame-hdr");
5177 CmdArgs.push_back("-m");
5178 if (ToolChain.getArch() == llvm::Triple::x86)
5179 CmdArgs.push_back("elf_i386");
5180 else if (ToolChain.getArch() == llvm::Triple::arm
5181 || ToolChain.getArch() == llvm::Triple::thumb)
5182 CmdArgs.push_back("armelf_linux_eabi");
5183 else if (ToolChain.getArch() == llvm::Triple::ppc)
5184 CmdArgs.push_back("elf32ppclinux");
5185 else if (ToolChain.getArch() == llvm::Triple::ppc64)
5186 CmdArgs.push_back("elf64ppc");
5187 else if (ToolChain.getArch() == llvm::Triple::mips)
5188 CmdArgs.push_back("elf32btsmip");
5189 else if (ToolChain.getArch() == llvm::Triple::mipsel)
5190 CmdArgs.push_back("elf32ltsmip");
5191 else if (ToolChain.getArch() == llvm::Triple::mips64)
5192 CmdArgs.push_back("elf64btsmip");
5193 else if (ToolChain.getArch() == llvm::Triple::mips64el)
5194 CmdArgs.push_back("elf64ltsmip");
5196 CmdArgs.push_back("elf_x86_64");
5198 if (Args.hasArg(options::OPT_static)) {
5199 if (ToolChain.getArch() == llvm::Triple::arm
5200 || ToolChain.getArch() == llvm::Triple::thumb)
5201 CmdArgs.push_back("-Bstatic");
5203 CmdArgs.push_back("-static");
5204 } else if (Args.hasArg(options::OPT_shared)) {
5205 CmdArgs.push_back("-shared");
5208 if (ToolChain.getArch() == llvm::Triple::arm ||
5209 ToolChain.getArch() == llvm::Triple::thumb ||
5210 (!Args.hasArg(options::OPT_static) &&
5211 !Args.hasArg(options::OPT_shared))) {
5212 CmdArgs.push_back("-dynamic-linker");
5213 if (ToolChain.getArch() == llvm::Triple::x86)
5214 CmdArgs.push_back("/lib/ld-linux.so.2");
5215 else if (ToolChain.getArch() == llvm::Triple::arm ||
5216 ToolChain.getArch() == llvm::Triple::thumb)
5217 CmdArgs.push_back("/lib/ld-linux.so.3");
5218 else if (ToolChain.getArch() == llvm::Triple::mips ||
5219 ToolChain.getArch() == llvm::Triple::mipsel)
5220 CmdArgs.push_back("/lib/ld.so.1");
5221 else if (ToolChain.getArch() == llvm::Triple::mips64 ||
5222 ToolChain.getArch() == llvm::Triple::mips64el)
5223 CmdArgs.push_back("/lib64/ld.so.1");
5224 else if (ToolChain.getArch() == llvm::Triple::ppc)
5225 CmdArgs.push_back("/lib/ld.so.1");
5226 else if (ToolChain.getArch() == llvm::Triple::ppc64)
5227 CmdArgs.push_back("/lib64/ld64.so.1");
5229 CmdArgs.push_back("/lib64/ld-linux-x86-64.so.2");
5232 CmdArgs.push_back("-o");
5233 CmdArgs.push_back(Output.getFilename());
5235 if (!Args.hasArg(options::OPT_nostdlib) &&
5236 !Args.hasArg(options::OPT_nostartfiles)) {
5237 const char *crt1 = NULL;
5238 if (!Args.hasArg(options::OPT_shared)){
5239 if (Args.hasArg(options::OPT_pie))
5245 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
5247 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
5249 const char *crtbegin;
5250 if (Args.hasArg(options::OPT_static))
5251 crtbegin = "crtbeginT.o";
5252 else if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
5253 crtbegin = "crtbeginS.o";
5255 crtbegin = "crtbegin.o";
5256 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
5259 Args.AddAllArgs(CmdArgs, options::OPT_L);
5261 const ToolChain::path_list Paths = ToolChain.getFilePaths();
5263 for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
5265 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
5267 // Tell the linker to load the plugin. This has to come before AddLinkerInputs
5268 // as gold requires -plugin to come before any -plugin-opt that -Wl might
5270 if (D.IsUsingLTO(Args) || Args.hasArg(options::OPT_use_gold_plugin)) {
5271 CmdArgs.push_back("-plugin");
5272 std::string Plugin = ToolChain.getDriver().Dir + "/../lib/LLVMgold.so";
5273 CmdArgs.push_back(Args.MakeArgString(Plugin));
5276 AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
5278 if (D.CCCIsCXX && !Args.hasArg(options::OPT_nostdlib)) {
5279 bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
5280 !Args.hasArg(options::OPT_static);
5281 if (OnlyLibstdcxxStatic)
5282 CmdArgs.push_back("-Bstatic");
5283 ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
5284 if (OnlyLibstdcxxStatic)
5285 CmdArgs.push_back("-Bdynamic");
5286 CmdArgs.push_back("-lm");
5289 // Call this before we add the C run-time.
5290 addAsanRTLinux(getToolChain(), Args, CmdArgs);
5292 if (!Args.hasArg(options::OPT_nostdlib)) {
5293 if (Args.hasArg(options::OPT_static))
5294 CmdArgs.push_back("--start-group");
5296 AddLibgcc(D, CmdArgs, Args);
5298 if (Args.hasArg(options::OPT_pthread) ||
5299 Args.hasArg(options::OPT_pthreads))
5300 CmdArgs.push_back("-lpthread");
5302 CmdArgs.push_back("-lc");
5304 if (Args.hasArg(options::OPT_static))
5305 CmdArgs.push_back("--end-group");
5307 AddLibgcc(D, CmdArgs, Args);
5310 if (!Args.hasArg(options::OPT_nostartfiles)) {
5312 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
5313 crtend = "crtendS.o";
5315 crtend = "crtend.o";
5317 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
5318 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
5322 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
5324 C.addCommand(new Command(JA, *this, ToolChain.Linker.c_str(), CmdArgs));
5327 void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
5328 const InputInfo &Output,
5329 const InputInfoList &Inputs,
5330 const ArgList &Args,
5331 const char *LinkingOutput) const {
5332 ArgStringList CmdArgs;
5334 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
5335 options::OPT_Xassembler);
5337 CmdArgs.push_back("-o");
5338 CmdArgs.push_back(Output.getFilename());
5340 for (InputInfoList::const_iterator
5341 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
5342 const InputInfo &II = *it;
5343 CmdArgs.push_back(II.getFilename());
5347 Args.MakeArgString(getToolChain().GetProgramPath("as"));
5348 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
5351 void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
5352 const InputInfo &Output,
5353 const InputInfoList &Inputs,
5354 const ArgList &Args,
5355 const char *LinkingOutput) const {
5356 const Driver &D = getToolChain().getDriver();
5357 ArgStringList CmdArgs;
5359 if (Output.isFilename()) {
5360 CmdArgs.push_back("-o");
5361 CmdArgs.push_back(Output.getFilename());
5363 assert(Output.isNothing() && "Invalid output.");
5366 if (!Args.hasArg(options::OPT_nostdlib) &&
5367 !Args.hasArg(options::OPT_nostartfiles)) {
5368 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
5369 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
5370 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
5371 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
5374 Args.AddAllArgs(CmdArgs, options::OPT_L);
5375 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
5376 Args.AddAllArgs(CmdArgs, options::OPT_e);
5378 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
5380 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
5382 if (!Args.hasArg(options::OPT_nostdlib) &&
5383 !Args.hasArg(options::OPT_nodefaultlibs)) {
5385 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
5386 CmdArgs.push_back("-lm");
5390 if (!Args.hasArg(options::OPT_nostdlib) &&
5391 !Args.hasArg(options::OPT_nostartfiles)) {
5392 if (Args.hasArg(options::OPT_pthread))
5393 CmdArgs.push_back("-lpthread");
5394 CmdArgs.push_back("-lc");
5395 CmdArgs.push_back("-lCompilerRT-Generic");
5396 CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
5398 Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
5401 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
5402 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
5407 // For now, DragonFly Assemble does just about the same as for
5408 // FreeBSD, but this may change soon.
5409 void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
5410 const InputInfo &Output,
5411 const InputInfoList &Inputs,
5412 const ArgList &Args,
5413 const char *LinkingOutput) const {
5414 ArgStringList CmdArgs;
5416 // When building 32-bit code on DragonFly/pc64, we have to explicitly
5417 // instruct as in the base system to assemble 32-bit code.
5418 if (getToolChain().getArchName() == "i386")
5419 CmdArgs.push_back("--32");
5421 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
5422 options::OPT_Xassembler);
5424 CmdArgs.push_back("-o");
5425 CmdArgs.push_back(Output.getFilename());
5427 for (InputInfoList::const_iterator
5428 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
5429 const InputInfo &II = *it;
5430 CmdArgs.push_back(II.getFilename());
5434 Args.MakeArgString(getToolChain().GetProgramPath("as"));
5435 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
5438 void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
5439 const InputInfo &Output,
5440 const InputInfoList &Inputs,
5441 const ArgList &Args,
5442 const char *LinkingOutput) const {
5443 const Driver &D = getToolChain().getDriver();
5444 ArgStringList CmdArgs;
5446 if (!D.SysRoot.empty())
5447 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
5449 if (Args.hasArg(options::OPT_static)) {
5450 CmdArgs.push_back("-Bstatic");
5452 if (Args.hasArg(options::OPT_shared))
5453 CmdArgs.push_back("-Bshareable");
5455 CmdArgs.push_back("-dynamic-linker");
5456 CmdArgs.push_back("/usr/libexec/ld-elf.so.2");
5460 // When building 32-bit code on DragonFly/pc64, we have to explicitly
5461 // instruct ld in the base system to link 32-bit code.
5462 if (getToolChain().getArchName() == "i386") {
5463 CmdArgs.push_back("-m");
5464 CmdArgs.push_back("elf_i386");
5467 if (Output.isFilename()) {
5468 CmdArgs.push_back("-o");
5469 CmdArgs.push_back(Output.getFilename());
5471 assert(Output.isNothing() && "Invalid output.");
5474 if (!Args.hasArg(options::OPT_nostdlib) &&
5475 !Args.hasArg(options::OPT_nostartfiles)) {
5476 if (!Args.hasArg(options::OPT_shared)) {
5478 Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
5480 Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
5482 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
5485 Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
5487 Args.MakeArgString(getToolChain().GetFilePath("crtbeginS.o")));
5491 Args.AddAllArgs(CmdArgs, options::OPT_L);
5492 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
5493 Args.AddAllArgs(CmdArgs, options::OPT_e);
5495 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
5497 if (!Args.hasArg(options::OPT_nostdlib) &&
5498 !Args.hasArg(options::OPT_nodefaultlibs)) {
5499 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of
5501 CmdArgs.push_back("-L/usr/lib/gcc41");
5503 if (!Args.hasArg(options::OPT_static)) {
5504 CmdArgs.push_back("-rpath");
5505 CmdArgs.push_back("/usr/lib/gcc41");
5507 CmdArgs.push_back("-rpath-link");
5508 CmdArgs.push_back("/usr/lib/gcc41");
5510 CmdArgs.push_back("-rpath");
5511 CmdArgs.push_back("/usr/lib");
5513 CmdArgs.push_back("-rpath-link");
5514 CmdArgs.push_back("/usr/lib");
5518 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
5519 CmdArgs.push_back("-lm");
5522 if (Args.hasArg(options::OPT_shared)) {
5523 CmdArgs.push_back("-lgcc_pic");
5525 CmdArgs.push_back("-lgcc");
5529 if (Args.hasArg(options::OPT_pthread))
5530 CmdArgs.push_back("-lpthread");
5532 if (!Args.hasArg(options::OPT_nolibc)) {
5533 CmdArgs.push_back("-lc");
5536 if (Args.hasArg(options::OPT_shared)) {
5537 CmdArgs.push_back("-lgcc_pic");
5539 CmdArgs.push_back("-lgcc");
5543 if (!Args.hasArg(options::OPT_nostdlib) &&
5544 !Args.hasArg(options::OPT_nostartfiles)) {
5545 if (!Args.hasArg(options::OPT_shared))
5546 CmdArgs.push_back(Args.MakeArgString(
5547 getToolChain().GetFilePath("crtend.o")));
5549 CmdArgs.push_back(Args.MakeArgString(
5550 getToolChain().GetFilePath("crtendS.o")));
5551 CmdArgs.push_back(Args.MakeArgString(
5552 getToolChain().GetFilePath("crtn.o")));
5555 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
5558 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
5559 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
5562 void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA,
5563 const InputInfo &Output,
5564 const InputInfoList &Inputs,
5565 const ArgList &Args,
5566 const char *LinkingOutput) const {
5567 ArgStringList CmdArgs;
5569 if (Output.isFilename()) {
5570 CmdArgs.push_back(Args.MakeArgString(std::string("-out:") +
5571 Output.getFilename()));
5573 assert(Output.isNothing() && "Invalid output.");
5576 if (!Args.hasArg(options::OPT_nostdlib) &&
5577 !Args.hasArg(options::OPT_nostartfiles)) {
5578 CmdArgs.push_back("-defaultlib:libcmt");
5581 CmdArgs.push_back("-nologo");
5583 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
5586 Args.MakeArgString(getToolChain().GetProgramPath("link.exe"));
5587 C.addCommand(new Command(JA, *this, Exec, CmdArgs));