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/HostInfo.h"
20 #include "clang/Driver/ObjCRuntime.h"
21 #include "clang/Driver/Option.h"
22 #include "clang/Driver/Options.h"
23 #include "clang/Driver/ToolChain.h"
24 #include "clang/Driver/Util.h"
26 #include "llvm/ADT/SmallString.h"
27 #include "llvm/ADT/StringSwitch.h"
28 #include "llvm/ADT/Twine.h"
29 #include "llvm/Support/FileSystem.h"
30 #include "llvm/Support/Format.h"
31 #include "llvm/Support/raw_ostream.h"
32 #include "llvm/Support/Host.h"
33 #include "llvm/Support/Process.h"
34 #include "llvm/Support/ErrorHandling.h"
36 #include "InputInfo.h"
37 #include "ToolChains.h"
40 #include <cygwin/version.h>
41 #if defined(CYGWIN_VERSION_DLL_MAJOR) && CYGWIN_VERSION_DLL_MAJOR<1007
46 using namespace clang::driver;
47 using namespace clang::driver::tools;
48 using namespace clang;
50 /// CheckPreprocessingOptions - Perform some validation of preprocessing
51 /// arguments that is shared with gcc.
52 static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) {
53 if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC))
54 if (!Args.hasArg(options::OPT_E) && !D.CCCIsCPP)
55 D.Diag(diag::err_drv_argument_only_allowed_with)
56 << A->getAsString(Args) << "-E";
59 /// CheckCodeGenerationOptions - Perform some validation of code generation
60 /// arguments that is shared with gcc.
61 static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) {
62 // In gcc, only ARM checks this, but it seems reasonable to check universally.
63 if (Args.hasArg(options::OPT_static))
64 if (const Arg *A = Args.getLastArg(options::OPT_dynamic,
65 options::OPT_mdynamic_no_pic))
66 D.Diag(diag::err_drv_argument_not_allowed_with)
67 << A->getAsString(Args) << "-static";
70 // Quote target names for inclusion in GNU Make dependency files.
71 // Only the characters '$', '#', ' ', '\t' are quoted.
72 static void QuoteTarget(StringRef Target,
73 SmallVectorImpl<char> &Res) {
74 for (unsigned i = 0, e = Target.size(); i != e; ++i) {
78 // Escape the preceding backslashes
79 for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j)
82 // Escape the space/tab
95 Res.push_back(Target[i]);
99 static void AddLinkerInputs(const ToolChain &TC,
100 const InputInfoList &Inputs, const ArgList &Args,
101 ArgStringList &CmdArgs) {
102 const Driver &D = TC.getDriver();
104 // Add extra linker input arguments which are not treated as inputs
105 // (constructed via -Xarch_).
106 Args.AddAllArgValues(CmdArgs, options::OPT_Zlinker_input);
108 for (InputInfoList::const_iterator
109 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
110 const InputInfo &II = *it;
112 if (!TC.HasNativeLLVMSupport()) {
113 // Don't try to pass LLVM inputs unless we have native support.
114 if (II.getType() == types::TY_LLVM_IR ||
115 II.getType() == types::TY_LTO_IR ||
116 II.getType() == types::TY_LLVM_BC ||
117 II.getType() == types::TY_LTO_BC)
118 D.Diag(diag::err_drv_no_linker_llvm_support)
119 << TC.getTripleString();
122 // Add filenames immediately.
123 if (II.isFilename()) {
124 CmdArgs.push_back(II.getFilename());
128 // Otherwise, this is a linker input argument.
129 const Arg &A = II.getInputArg();
131 // Handle reserved library options.
132 if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
133 TC.AddCXXStdlibLibArgs(Args, CmdArgs);
134 } else if (A.getOption().matches(options::OPT_Z_reserved_lib_cckext)) {
135 TC.AddCCKextLibArgs(Args, CmdArgs);
137 A.renderAsInput(Args, CmdArgs);
141 /// \brief Determine whether Objective-C automated reference counting is
143 static bool isObjCAutoRefCount(const ArgList &Args) {
144 return Args.hasFlag(options::OPT_fobjc_arc, options::OPT_fno_objc_arc, false);
147 static void addProfileRT(const ToolChain &TC, const ArgList &Args,
148 ArgStringList &CmdArgs,
149 llvm::Triple Triple) {
150 if (!(Args.hasArg(options::OPT_fprofile_arcs) ||
151 Args.hasArg(options::OPT_fprofile_generate) ||
152 Args.hasArg(options::OPT_fcreate_profile) ||
153 Args.hasArg(options::OPT_coverage)))
156 // GCC links libgcov.a by adding -L<inst>/gcc/lib/gcc/<triple>/<ver> -lgcov to
157 // the link line. We cannot do the same thing because unlike gcov there is a
158 // libprofile_rt.so. We used to use the -l:libprofile_rt.a syntax, but that is
159 // not supported by old linkers.
161 Twine(TC.getDriver().Dir) + "/../lib/" + "libprofile_rt.a";
163 if (Triple.isOSDarwin()) {
164 // On Darwin, if the static library doesn't exist try the dylib.
166 if (llvm::sys::fs::exists(ProfileRT.str(), Exists) || !Exists)
168 Twine(TC.getDriver().Dir) + "/../lib/" + "libprofile_rt.dylib";
171 CmdArgs.push_back(Args.MakeArgString(ProfileRT));
174 static void AddIncludeDirectoryList(const ArgList &Args,
175 ArgStringList &CmdArgs,
177 const char *DirList) {
179 return; // Nothing to do.
181 StringRef Dirs(DirList);
182 if (Dirs.empty()) // Empty string should not add '.'.
185 StringRef::size_type Delim;
186 while ((Delim = Dirs.find(llvm::sys::PathSeparator)) != StringRef::npos) {
187 if (Delim == 0) { // Leading colon.
188 CmdArgs.push_back(ArgName);
189 CmdArgs.push_back(".");
191 CmdArgs.push_back(ArgName);
192 CmdArgs.push_back(Args.MakeArgString(Dirs.substr(0, Delim)));
194 Dirs = Dirs.substr(Delim + 1);
197 if (Dirs.empty()) { // Trailing colon.
198 CmdArgs.push_back(ArgName);
199 CmdArgs.push_back(".");
200 } else { // Add the last path.
201 CmdArgs.push_back(ArgName);
202 CmdArgs.push_back(Args.MakeArgString(Dirs));
206 void Clang::AddPreprocessingOptions(const Driver &D,
208 ArgStringList &CmdArgs,
209 const InputInfo &Output,
210 const InputInfoList &Inputs) const {
213 CheckPreprocessingOptions(D, Args);
215 Args.AddLastArg(CmdArgs, options::OPT_C);
216 Args.AddLastArg(CmdArgs, options::OPT_CC);
218 // Handle dependency file generation.
219 if ((A = Args.getLastArg(options::OPT_M, options::OPT_MM)) ||
220 (A = Args.getLastArg(options::OPT_MD)) ||
221 (A = Args.getLastArg(options::OPT_MMD))) {
222 // Determine the output location.
224 if (Output.getType() == types::TY_Dependencies) {
225 DepFile = Output.getFilename();
226 } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
227 DepFile = MF->getValue(Args);
228 } else if (A->getOption().matches(options::OPT_M) ||
229 A->getOption().matches(options::OPT_MM)) {
232 DepFile = darwin::CC1::getDependencyFileName(Args, Inputs);
234 CmdArgs.push_back("-dependency-file");
235 CmdArgs.push_back(DepFile);
237 // Add a default target if one wasn't specified.
238 if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) {
239 const char *DepTarget;
241 // If user provided -o, that is the dependency target, except
242 // when we are only generating a dependency file.
243 Arg *OutputOpt = Args.getLastArg(options::OPT_o);
244 if (OutputOpt && Output.getType() != types::TY_Dependencies) {
245 DepTarget = OutputOpt->getValue(Args);
247 // Otherwise derive from the base input.
249 // FIXME: This should use the computed output file location.
250 llvm::SmallString<128> P(Inputs[0].getBaseInput());
251 llvm::sys::path::replace_extension(P, "o");
252 DepTarget = Args.MakeArgString(llvm::sys::path::filename(P));
255 CmdArgs.push_back("-MT");
256 llvm::SmallString<128> Quoted;
257 QuoteTarget(DepTarget, Quoted);
258 CmdArgs.push_back(Args.MakeArgString(Quoted));
261 if (A->getOption().matches(options::OPT_M) ||
262 A->getOption().matches(options::OPT_MD))
263 CmdArgs.push_back("-sys-header-deps");
266 if (Args.hasArg(options::OPT_MG)) {
267 if (!A || A->getOption().matches(options::OPT_MD) ||
268 A->getOption().matches(options::OPT_MMD))
269 D.Diag(diag::err_drv_mg_requires_m_or_mm);
270 CmdArgs.push_back("-MG");
273 Args.AddLastArg(CmdArgs, options::OPT_MP);
275 // Convert all -MQ <target> args to -MT <quoted target>
276 for (arg_iterator it = Args.filtered_begin(options::OPT_MT,
278 ie = Args.filtered_end(); it != ie; ++it) {
282 if (A->getOption().matches(options::OPT_MQ)) {
283 CmdArgs.push_back("-MT");
284 llvm::SmallString<128> Quoted;
285 QuoteTarget(A->getValue(Args), Quoted);
286 CmdArgs.push_back(Args.MakeArgString(Quoted));
288 // -MT flag - no change
290 A->render(Args, CmdArgs);
294 // Add -i* options, and automatically translate to
295 // -include-pch/-include-pth for transparent PCH support. It's
296 // wonky, but we include looking for .gch so we can support seamless
297 // replacement into a build system already set up to be generating
299 bool RenderedImplicitInclude = false;
300 for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group),
301 ie = Args.filtered_end(); it != ie; ++it) {
304 if (A->getOption().matches(options::OPT_include)) {
305 bool IsFirstImplicitInclude = !RenderedImplicitInclude;
306 RenderedImplicitInclude = true;
308 // Use PCH if the user requested it.
309 bool UsePCH = D.CCCUsePCH;
311 bool FoundPTH = false;
312 bool FoundPCH = false;
313 llvm::sys::Path P(A->getValue(Args));
316 P.appendSuffix("pch");
317 if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
324 P.appendSuffix("pth");
325 if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
331 if (!FoundPCH && !FoundPTH) {
332 P.appendSuffix("gch");
333 if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) {
341 if (FoundPCH || FoundPTH) {
342 if (IsFirstImplicitInclude) {
345 CmdArgs.push_back("-include-pch");
347 CmdArgs.push_back("-include-pth");
348 CmdArgs.push_back(Args.MakeArgString(P.str()));
351 // Ignore the PCH if not first on command line and emit warning.
352 D.Diag(diag::warn_drv_pch_not_first_include)
353 << P.str() << A->getAsString(Args);
358 // Not translated, render as usual.
360 A->render(Args, CmdArgs);
363 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
364 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F,
365 options::OPT_index_header_map);
367 // Add -Wp, and -Xassembler if using the preprocessor.
369 // FIXME: There is a very unfortunate problem here, some troubled
370 // souls abuse -Wp, to pass preprocessor options in gcc syntax. To
371 // really support that we would have to parse and then translate
373 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
374 options::OPT_Xpreprocessor);
376 // -I- is a deprecated GCC feature, reject it.
377 if (Arg *A = Args.getLastArg(options::OPT_I_))
378 D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
380 // If we have a --sysroot, and don't have an explicit -isysroot flag, add an
381 // -isysroot to the CC1 invocation.
382 if (Arg *A = Args.getLastArg(options::OPT__sysroot_EQ)) {
383 if (!Args.hasArg(options::OPT_isysroot)) {
384 CmdArgs.push_back("-isysroot");
385 CmdArgs.push_back(A->getValue(Args));
389 // If a module path was provided, pass it along. Otherwise, use a temporary
391 if (Arg *A = Args.getLastArg(options::OPT_fmodule_cache_path)) {
393 A->render(Args, CmdArgs);
395 llvm::SmallString<128> DefaultModuleCache;
396 llvm::sys::path::system_temp_directory(/*erasedOnReboot=*/false,
398 llvm::sys::path::append(DefaultModuleCache, "clang-module-cache");
399 CmdArgs.push_back("-fmodule-cache-path");
400 CmdArgs.push_back(Args.MakeArgString(DefaultModuleCache));
403 Args.AddAllArgs(CmdArgs, options::OPT_fauto_module_import);
405 // Parse additional include paths from environment variables.
406 // CPATH - included following the user specified includes (but prior to
407 // builtin and standard includes).
408 AddIncludeDirectoryList(Args, CmdArgs, "-I", ::getenv("CPATH"));
409 // C_INCLUDE_PATH - system includes enabled when compiling C.
410 AddIncludeDirectoryList(Args, CmdArgs, "-c-isystem",
411 ::getenv("C_INCLUDE_PATH"));
412 // CPLUS_INCLUDE_PATH - system includes enabled when compiling C++.
413 AddIncludeDirectoryList(Args, CmdArgs, "-cxx-isystem",
414 ::getenv("CPLUS_INCLUDE_PATH"));
415 // OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC.
416 AddIncludeDirectoryList(Args, CmdArgs, "-objc-isystem",
417 ::getenv("OBJC_INCLUDE_PATH"));
418 // OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++.
419 AddIncludeDirectoryList(Args, CmdArgs, "-objcxx-isystem",
420 ::getenv("OBJCPLUS_INCLUDE_PATH"));
422 // Add C++ include arguments, if needed.
423 if (types::isCXX(Inputs[0].getType()))
424 getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
426 // Add system include arguments.
427 getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs);
430 /// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
432 // FIXME: tblgen this.
433 static const char *getARMTargetCPU(const ArgList &Args,
434 const llvm::Triple &Triple) {
435 // FIXME: Warn on inconsistent use of -mcpu and -march.
437 // If we have -mcpu=, use that.
438 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
439 return A->getValue(Args);
442 if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
443 // Otherwise, if we have -march= choose the base CPU for that arch.
444 MArch = A->getValue(Args);
446 // Otherwise, use the Arch from the triple.
447 MArch = Triple.getArchName();
450 return llvm::StringSwitch<const char *>(MArch)
451 .Cases("armv2", "armv2a","arm2")
452 .Case("armv3", "arm6")
453 .Case("armv3m", "arm7m")
454 .Cases("armv4", "armv4t", "arm7tdmi")
455 .Cases("armv5", "armv5t", "arm10tdmi")
456 .Cases("armv5e", "armv5te", "arm1026ejs")
457 .Case("armv5tej", "arm926ej-s")
458 .Cases("armv6", "armv6k", "arm1136jf-s")
459 .Case("armv6j", "arm1136j-s")
460 .Cases("armv6z", "armv6zk", "arm1176jzf-s")
461 .Case("armv6t2", "arm1156t2-s")
462 .Cases("armv7", "armv7a", "armv7-a", "cortex-a8")
463 .Cases("armv7r", "armv7-r", "cortex-r4")
464 .Cases("armv7m", "armv7-m", "cortex-m3")
465 .Case("ep9312", "ep9312")
466 .Case("iwmmxt", "iwmmxt")
467 .Case("xscale", "xscale")
468 .Cases("armv6m", "armv6-m", "cortex-m0")
469 // If all else failed, return the most base CPU LLVM supports.
470 .Default("arm7tdmi");
473 /// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
476 // FIXME: This is redundant with -mcpu, why does LLVM use this.
477 // FIXME: tblgen this, or kill it!
478 static const char *getLLVMArchSuffixForARM(StringRef CPU) {
479 return llvm::StringSwitch<const char *>(CPU)
480 .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t")
481 .Cases("arm720t", "arm9", "arm9tdmi", "v4t")
482 .Cases("arm920", "arm920t", "arm922t", "v4t")
483 .Cases("arm940t", "ep9312","v4t")
484 .Cases("arm10tdmi", "arm1020t", "v5")
485 .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e")
486 .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e")
487 .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e")
488 .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6")
489 .Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6")
490 .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2")
491 .Cases("cortex-a8", "cortex-a9", "v7")
495 // FIXME: Move to target hook.
496 static bool isSignedCharDefault(const llvm::Triple &Triple) {
497 switch (Triple.getArch()) {
501 case llvm::Triple::arm:
502 case llvm::Triple::ppc:
503 case llvm::Triple::ppc64:
504 if (Triple.isOSDarwin())
508 case llvm::Triple::systemz:
513 void Clang::AddARMTargetArgs(const ArgList &Args,
514 ArgStringList &CmdArgs,
515 bool KernelOrKext) const {
516 const Driver &D = getToolChain().getDriver();
517 llvm::Triple Triple = getToolChain().getTriple();
519 // Select the ABI to use.
521 // FIXME: Support -meabi.
522 const char *ABIName = 0;
523 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
524 ABIName = A->getValue(Args);
526 // Select the default based on the platform.
527 switch(Triple.getEnvironment()) {
528 case llvm::Triple::GNUEABI:
529 ABIName = "aapcs-linux";
531 case llvm::Triple::EABI:
535 ABIName = "apcs-gnu";
538 CmdArgs.push_back("-target-abi");
539 CmdArgs.push_back(ABIName);
541 // Set the CPU based on -march= and -mcpu=.
542 CmdArgs.push_back("-target-cpu");
543 CmdArgs.push_back(getARMTargetCPU(Args, Triple));
545 // Select the float ABI as determined by -msoft-float, -mhard-float, and
548 if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
549 options::OPT_mhard_float,
550 options::OPT_mfloat_abi_EQ)) {
551 if (A->getOption().matches(options::OPT_msoft_float))
553 else if (A->getOption().matches(options::OPT_mhard_float))
556 FloatABI = A->getValue(Args);
557 if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") {
558 D.Diag(diag::err_drv_invalid_mfloat_abi)
559 << A->getAsString(Args);
565 // If unspecified, choose the default based on the platform.
566 if (FloatABI.empty()) {
567 const llvm::Triple &Triple = getToolChain().getTriple();
568 switch (Triple.getOS()) {
569 case llvm::Triple::Darwin:
570 case llvm::Triple::MacOSX:
571 case llvm::Triple::IOS: {
572 // Darwin defaults to "softfp" for v6 and v7.
574 // FIXME: Factor out an ARM class so we can cache the arch somewhere.
576 getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
577 if (ArchName.startswith("v6") || ArchName.startswith("v7"))
584 case llvm::Triple::Linux: {
585 if (getToolChain().getTriple().getEnvironment() == llvm::Triple::GNUEABI) {
593 switch(Triple.getEnvironment()) {
594 case llvm::Triple::GNUEABI:
597 case llvm::Triple::EABI:
598 // EABI is always AAPCS, and if it was not marked 'hard', it's softfp
602 // Assume "soft", but warn the user we are guessing.
604 D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
610 if (FloatABI == "soft") {
611 // Floating point operations and argument passing are soft.
613 // FIXME: This changes CPP defines, we need -target-soft-float.
614 CmdArgs.push_back("-msoft-float");
615 CmdArgs.push_back("-mfloat-abi");
616 CmdArgs.push_back("soft");
617 } else if (FloatABI == "softfp") {
618 // Floating point operations are hard, but argument passing is soft.
619 CmdArgs.push_back("-mfloat-abi");
620 CmdArgs.push_back("soft");
622 // Floating point operations and argument passing are hard.
623 assert(FloatABI == "hard" && "Invalid float abi!");
624 CmdArgs.push_back("-mfloat-abi");
625 CmdArgs.push_back("hard");
628 // Set appropriate target features for floating point mode.
630 // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these
631 // yet (it uses the -mfloat-abi and -msoft-float options above), and it is
632 // stripped out by the ARM target.
634 // Use software floating point operations?
635 if (FloatABI == "soft") {
636 CmdArgs.push_back("-target-feature");
637 CmdArgs.push_back("+soft-float");
640 // Use software floating point argument passing?
641 if (FloatABI != "hard") {
642 CmdArgs.push_back("-target-feature");
643 CmdArgs.push_back("+soft-float-abi");
648 // FIXME: Centralize feature selection, defaulting shouldn't be also in the
650 if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) {
651 StringRef FPU = A->getValue(Args);
653 // Set the target features based on the FPU.
654 if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
655 // Disable any default FPU support.
656 CmdArgs.push_back("-target-feature");
657 CmdArgs.push_back("-vfp2");
658 CmdArgs.push_back("-target-feature");
659 CmdArgs.push_back("-vfp3");
660 CmdArgs.push_back("-target-feature");
661 CmdArgs.push_back("-neon");
662 } else if (FPU == "vfp") {
663 CmdArgs.push_back("-target-feature");
664 CmdArgs.push_back("+vfp2");
665 } else if (FPU == "vfp3") {
666 CmdArgs.push_back("-target-feature");
667 CmdArgs.push_back("+vfp3");
668 } else if (FPU == "neon") {
669 CmdArgs.push_back("-target-feature");
670 CmdArgs.push_back("+neon");
672 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
675 // Setting -msoft-float effectively disables NEON because of the GCC
676 // implementation, although the same isn't true of VFP or VFP3.
677 if (FloatABI == "soft") {
678 CmdArgs.push_back("-target-feature");
679 CmdArgs.push_back("-neon");
682 // Kernel code has more strict alignment requirements.
684 CmdArgs.push_back("-backend-option");
685 CmdArgs.push_back("-arm-long-calls");
687 CmdArgs.push_back("-backend-option");
688 CmdArgs.push_back("-arm-strict-align");
690 // The kext linker doesn't know how to deal with movw/movt.
691 CmdArgs.push_back("-backend-option");
692 CmdArgs.push_back("-arm-darwin-use-movt=0");
695 // Setting -mno-global-merge disables the codegen global merge pass. Setting
696 // -mglobal-merge has no effect as the pass is enabled by default.
697 if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge,
698 options::OPT_mno_global_merge)) {
699 if (A->getOption().matches(options::OPT_mno_global_merge))
700 CmdArgs.push_back("-mno-global-merge");
704 // Get default architecture.
705 static const char* getMipsArchFromCPU(StringRef CPUName) {
706 if (CPUName == "mips32r1" || CPUName == "4ke")
709 assert((CPUName == "mips64r1" || CPUName == "mips64r2") &&
710 "Unexpected cpu name.");
715 // Get default target cpu.
716 static const char* getMipsCPUFromArch(StringRef ArchName, const Driver &D) {
717 if (ArchName == "mips" || ArchName == "mipsel")
719 else if (ArchName == "mips64" || ArchName == "mips64el")
722 D.Diag(diag::err_drv_invalid_arch_name) << ArchName;
728 static const char* getMipsABIFromArch(StringRef ArchName) {
729 if (ArchName == "mips" || ArchName == "mipsel")
732 assert((ArchName == "mips64" || ArchName == "mips64el") &&
733 "Unexpected arch name.");
737 void Clang::AddMIPSTargetArgs(const ArgList &Args,
738 ArgStringList &CmdArgs) const {
739 const Driver &D = getToolChain().getDriver();
744 // Set target cpu and architecture.
745 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
746 CPUName = A->getValue(Args);
747 ArchName = getMipsArchFromCPU(CPUName);
750 ArchName = Args.MakeArgString(getToolChain().getArchName());
751 CPUName = getMipsCPUFromArch(ArchName, D);
754 CmdArgs.push_back("-target-cpu");
755 CmdArgs.push_back(CPUName);
757 // Select the ABI to use.
758 const char *ABIName = 0;
759 if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
760 ABIName = A->getValue(Args);
762 ABIName = getMipsABIFromArch(ArchName);
764 CmdArgs.push_back("-target-abi");
765 CmdArgs.push_back(ABIName);
767 // Select the float ABI as determined by -msoft-float, -mhard-float, and
769 if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
770 options::OPT_mhard_float)) {
771 if (A->getOption().matches(options::OPT_msoft_float))
773 else if (A->getOption().matches(options::OPT_mhard_float))
777 // If unspecified, choose the default based on the platform.
778 if (FloatABI.empty()) {
779 // Assume "soft", but warn the user we are guessing.
781 D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
784 if (FloatABI == "soft") {
785 // Floating point operations and argument passing are soft.
787 // FIXME: This changes CPP defines, we need -target-soft-float.
788 CmdArgs.push_back("-msoft-float");
790 assert(FloatABI == "hard" && "Invalid float abi!");
791 CmdArgs.push_back("-mhard-float");
795 void Clang::AddSparcTargetArgs(const ArgList &Args,
796 ArgStringList &CmdArgs) const {
797 const Driver &D = getToolChain().getDriver();
799 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
800 StringRef MArch = A->getValue(Args);
801 CmdArgs.push_back("-target-cpu");
802 CmdArgs.push_back(MArch.str().c_str());
805 // Select the float ABI as determined by -msoft-float, -mhard-float, and
807 if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
808 options::OPT_mhard_float)) {
809 if (A->getOption().matches(options::OPT_msoft_float))
811 else if (A->getOption().matches(options::OPT_mhard_float))
815 // If unspecified, choose the default based on the platform.
816 if (FloatABI.empty()) {
817 switch (getToolChain().getTriple().getOS()) {
819 // Assume "soft", but warn the user we are guessing.
821 D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
826 if (FloatABI == "soft") {
827 // Floating point operations and argument passing are soft.
829 // FIXME: This changes CPP defines, we need -target-soft-float.
830 CmdArgs.push_back("-msoft-float");
831 CmdArgs.push_back("-target-feature");
832 CmdArgs.push_back("+soft-float");
834 assert(FloatABI == "hard" && "Invalid float abi!");
835 CmdArgs.push_back("-mhard-float");
839 void Clang::AddX86TargetArgs(const ArgList &Args,
840 ArgStringList &CmdArgs) const {
841 if (!Args.hasFlag(options::OPT_mred_zone,
842 options::OPT_mno_red_zone,
844 Args.hasArg(options::OPT_mkernel) ||
845 Args.hasArg(options::OPT_fapple_kext))
846 CmdArgs.push_back("-disable-red-zone");
848 if (Args.hasFlag(options::OPT_msoft_float,
849 options::OPT_mno_soft_float,
851 CmdArgs.push_back("-no-implicit-float");
853 const char *CPUName = 0;
854 if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
855 if (StringRef(A->getValue(Args)) == "native") {
856 // FIXME: Reject attempts to use -march=native unless the target matches
859 // FIXME: We should also incorporate the detected target features for use
861 std::string CPU = llvm::sys::getHostCPUName();
863 CPUName = Args.MakeArgString(CPU);
865 CPUName = A->getValue(Args);
868 // Select the default CPU if none was given (or detection failed).
870 // FIXME: Need target hooks.
871 if (getToolChain().getTriple().isOSDarwin()) {
872 if (getToolChain().getArch() == llvm::Triple::x86_64)
874 else if (getToolChain().getArch() == llvm::Triple::x86)
876 } else if (getToolChain().getOS().startswith("haiku")) {
877 if (getToolChain().getArch() == llvm::Triple::x86_64)
879 else if (getToolChain().getArch() == llvm::Triple::x86)
881 } else if (getToolChain().getOS().startswith("openbsd")) {
882 if (getToolChain().getArch() == llvm::Triple::x86_64)
884 else if (getToolChain().getArch() == llvm::Triple::x86)
886 } else if (getToolChain().getOS().startswith("freebsd")) {
887 if (getToolChain().getArch() == llvm::Triple::x86_64)
889 else if (getToolChain().getArch() == llvm::Triple::x86)
891 } else if (getToolChain().getOS().startswith("netbsd")) {
892 if (getToolChain().getArch() == llvm::Triple::x86_64)
894 else if (getToolChain().getArch() == llvm::Triple::x86)
897 if (getToolChain().getArch() == llvm::Triple::x86_64)
899 else if (getToolChain().getArch() == llvm::Triple::x86)
900 CPUName = "pentium4";
905 CmdArgs.push_back("-target-cpu");
906 CmdArgs.push_back(CPUName);
909 // The required algorithm here is slightly strange: the options are applied
910 // in order (so -mno-sse -msse2 disables SSE3), but any option that gets
911 // directly overridden later is ignored (so "-mno-sse -msse2 -mno-sse2 -msse"
912 // is equivalent to "-mno-sse2 -msse"). The -cc1 handling deals with the
913 // former correctly, but not the latter; handle directly-overridden
915 llvm::StringMap<unsigned> PrevFeature;
916 std::vector<const char*> Features;
917 for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group),
918 ie = Args.filtered_end(); it != ie; ++it) {
919 StringRef Name = (*it)->getOption().getName();
923 assert(Name.startswith("-m") && "Invalid feature name.");
924 Name = Name.substr(2);
926 bool IsNegative = Name.startswith("no-");
928 Name = Name.substr(3);
930 unsigned& Prev = PrevFeature[Name];
932 Features[Prev - 1] = 0;
933 Prev = Features.size() + 1;
934 Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
936 for (unsigned i = 0; i < Features.size(); i++) {
938 CmdArgs.push_back("-target-feature");
939 CmdArgs.push_back(Features[i]);
945 shouldUseExceptionTablesForObjCExceptions(unsigned objcABIVersion,
946 const llvm::Triple &Triple) {
947 // We use the zero-cost exception tables for Objective-C if the non-fragile
948 // ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and
951 if (objcABIVersion >= 2)
954 if (!Triple.isOSDarwin())
957 return (!Triple.isMacOSXVersionLT(10,5) &&
958 (Triple.getArch() == llvm::Triple::x86_64 ||
959 Triple.getArch() == llvm::Triple::arm));
962 /// addExceptionArgs - Adds exception related arguments to the driver command
963 /// arguments. There's a master flag, -fexceptions and also language specific
964 /// flags to enable/disable C++ and Objective-C exceptions.
965 /// This makes it possible to for example disable C++ exceptions but enable
966 /// Objective-C exceptions.
967 static void addExceptionArgs(const ArgList &Args, types::ID InputType,
968 const llvm::Triple &Triple,
969 bool KernelOrKext, bool IsRewriter,
970 unsigned objcABIVersion,
971 ArgStringList &CmdArgs) {
975 // Exceptions are enabled by default.
976 bool ExceptionsEnabled = true;
978 // This keeps track of whether exceptions were explicitly turned on or off.
979 bool DidHaveExplicitExceptionFlag = false;
981 if (Arg *A = Args.getLastArg(options::OPT_fexceptions,
982 options::OPT_fno_exceptions)) {
983 if (A->getOption().matches(options::OPT_fexceptions))
984 ExceptionsEnabled = true;
986 ExceptionsEnabled = false;
988 DidHaveExplicitExceptionFlag = true;
991 bool ShouldUseExceptionTables = false;
993 // Exception tables and cleanups can be enabled with -fexceptions even if the
994 // language itself doesn't support exceptions.
995 if (ExceptionsEnabled && DidHaveExplicitExceptionFlag)
996 ShouldUseExceptionTables = true;
998 // Obj-C exceptions are enabled by default, regardless of -fexceptions. This
999 // is not necessarily sensible, but follows GCC.
1000 if (types::isObjC(InputType) &&
1001 Args.hasFlag(options::OPT_fobjc_exceptions,
1002 options::OPT_fno_objc_exceptions,
1004 CmdArgs.push_back("-fobjc-exceptions");
1006 ShouldUseExceptionTables |=
1007 shouldUseExceptionTablesForObjCExceptions(objcABIVersion, Triple);
1010 if (types::isCXX(InputType)) {
1011 bool CXXExceptionsEnabled = ExceptionsEnabled;
1013 if (Arg *A = Args.getLastArg(options::OPT_fcxx_exceptions,
1014 options::OPT_fno_cxx_exceptions,
1015 options::OPT_fexceptions,
1016 options::OPT_fno_exceptions)) {
1017 if (A->getOption().matches(options::OPT_fcxx_exceptions))
1018 CXXExceptionsEnabled = true;
1019 else if (A->getOption().matches(options::OPT_fno_cxx_exceptions))
1020 CXXExceptionsEnabled = false;
1023 if (CXXExceptionsEnabled) {
1024 CmdArgs.push_back("-fcxx-exceptions");
1026 ShouldUseExceptionTables = true;
1030 if (ShouldUseExceptionTables)
1031 CmdArgs.push_back("-fexceptions");
1034 static bool ShouldDisableCFI(const ArgList &Args,
1035 const ToolChain &TC) {
1036 if (TC.getTriple().isOSDarwin()) {
1037 // The native darwin assembler doesn't support cfi directives, so
1038 // we disable them if we think the .s file will be passed to it.
1040 // FIXME: Duplicated code with ToolChains.cpp
1041 // FIXME: This doesn't belong here, but ideally we will support static soon
1043 bool HasStatic = (Args.hasArg(options::OPT_mkernel) ||
1044 Args.hasArg(options::OPT_static) ||
1045 Args.hasArg(options::OPT_fapple_kext));
1046 bool IsIADefault = TC.IsIntegratedAssemblerDefault() && !HasStatic;
1047 bool UseIntegratedAs = Args.hasFlag(options::OPT_integrated_as,
1048 options::OPT_no_integrated_as,
1050 bool UseCFI = Args.hasFlag(options::OPT_fdwarf2_cfi_asm,
1051 options::OPT_fno_dwarf2_cfi_asm,
1056 // For now we assume that every other assembler support CFI.
1060 /// \brief Check whether the given input tree contains any compilation actions.
1061 static bool ContainsCompileAction(const Action *A) {
1062 if (isa<CompileJobAction>(A))
1065 for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it)
1066 if (ContainsCompileAction(*it))
1072 /// \brief Check if -relax-all should be passed to the internal assembler.
1073 /// This is done by default when compiling non-assembler source with -O0.
1074 static bool UseRelaxAll(Compilation &C, const ArgList &Args) {
1075 bool RelaxDefault = true;
1077 if (Arg *A = Args.getLastArg(options::OPT_O_Group))
1078 RelaxDefault = A->getOption().matches(options::OPT_O0);
1081 RelaxDefault = false;
1082 for (ActionList::const_iterator it = C.getActions().begin(),
1083 ie = C.getActions().end(); it != ie; ++it) {
1084 if (ContainsCompileAction(*it)) {
1085 RelaxDefault = true;
1091 return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all,
1095 void Clang::ConstructJob(Compilation &C, const JobAction &JA,
1096 const InputInfo &Output,
1097 const InputInfoList &Inputs,
1098 const ArgList &Args,
1099 const char *LinkingOutput) const {
1100 bool KernelOrKext = Args.hasArg(options::OPT_mkernel,
1101 options::OPT_fapple_kext);
1102 const Driver &D = getToolChain().getDriver();
1103 ArgStringList CmdArgs;
1105 assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
1107 // Invoke ourselves in -cc1 mode.
1109 // FIXME: Implement custom jobs for internal actions.
1110 CmdArgs.push_back("-cc1");
1112 // Add the "effective" target triple.
1113 CmdArgs.push_back("-triple");
1114 std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args);
1115 CmdArgs.push_back(Args.MakeArgString(TripleStr));
1117 // Select the appropriate action.
1118 bool IsRewriter = false;
1119 if (isa<AnalyzeJobAction>(JA)) {
1120 assert(JA.getType() == types::TY_Plist && "Invalid output type.");
1121 CmdArgs.push_back("-analyze");
1122 } else if (isa<PreprocessJobAction>(JA)) {
1123 if (Output.getType() == types::TY_Dependencies)
1124 CmdArgs.push_back("-Eonly");
1126 CmdArgs.push_back("-E");
1127 } else if (isa<AssembleJobAction>(JA)) {
1128 CmdArgs.push_back("-emit-obj");
1130 if (UseRelaxAll(C, Args))
1131 CmdArgs.push_back("-mrelax-all");
1133 // When using an integrated assembler, translate -Wa, and -Xassembler
1135 for (arg_iterator it = Args.filtered_begin(options::OPT_Wa_COMMA,
1136 options::OPT_Xassembler),
1137 ie = Args.filtered_end(); it != ie; ++it) {
1141 for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) {
1142 StringRef Value = A->getValue(Args, i);
1144 if (Value == "-force_cpusubtype_ALL") {
1145 // Do nothing, this is the default and we don't support anything else.
1146 } else if (Value == "-L") {
1147 CmdArgs.push_back("-msave-temp-labels");
1148 } else if (Value == "--fatal-warnings") {
1149 CmdArgs.push_back("-mllvm");
1150 CmdArgs.push_back("-fatal-assembler-warnings");
1151 } else if (Value == "--noexecstack") {
1152 CmdArgs.push_back("-mnoexecstack");
1154 D.Diag(diag::err_drv_unsupported_option_argument)
1155 << A->getOption().getName() << Value;
1160 // Also ignore explicit -force_cpusubtype_ALL option.
1161 (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
1162 } else if (isa<PrecompileJobAction>(JA)) {
1163 // Use PCH if the user requested it.
1164 bool UsePCH = D.CCCUsePCH;
1167 CmdArgs.push_back("-emit-pch");
1169 CmdArgs.push_back("-emit-pth");
1171 assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool.");
1173 if (JA.getType() == types::TY_Nothing) {
1174 CmdArgs.push_back("-fsyntax-only");
1175 } else if (JA.getType() == types::TY_LLVM_IR ||
1176 JA.getType() == types::TY_LTO_IR) {
1177 CmdArgs.push_back("-emit-llvm");
1178 } else if (JA.getType() == types::TY_LLVM_BC ||
1179 JA.getType() == types::TY_LTO_BC) {
1180 CmdArgs.push_back("-emit-llvm-bc");
1181 } else if (JA.getType() == types::TY_PP_Asm) {
1182 CmdArgs.push_back("-S");
1183 } else if (JA.getType() == types::TY_AST) {
1184 CmdArgs.push_back("-emit-pch");
1185 } else if (JA.getType() == types::TY_RewrittenObjC) {
1186 CmdArgs.push_back("-rewrite-objc");
1189 assert(JA.getType() == types::TY_PP_Asm &&
1190 "Unexpected output type!");
1194 // The make clang go fast button.
1195 CmdArgs.push_back("-disable-free");
1197 // Disable the verification pass in -asserts builds.
1199 CmdArgs.push_back("-disable-llvm-verifier");
1202 // Set the main file name, so that debug info works even with
1204 CmdArgs.push_back("-main-file-name");
1205 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
1207 // Some flags which affect the language (via preprocessor
1208 // defines). See darwin::CC1::AddCPPArgs.
1209 if (Args.hasArg(options::OPT_static))
1210 CmdArgs.push_back("-static-define");
1212 if (isa<AnalyzeJobAction>(JA)) {
1213 // Enable region store model by default.
1214 CmdArgs.push_back("-analyzer-store=region");
1216 // Treat blocks as analysis entry points.
1217 CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks");
1219 CmdArgs.push_back("-analyzer-eagerly-assume");
1221 // Add default argument set.
1222 if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
1223 CmdArgs.push_back("-analyzer-checker=core");
1224 CmdArgs.push_back("-analyzer-checker=deadcode");
1225 CmdArgs.push_back("-analyzer-checker=security");
1227 if (getToolChain().getTriple().getOS() != llvm::Triple::Win32)
1228 CmdArgs.push_back("-analyzer-checker=unix");
1230 if (getToolChain().getTriple().getVendor() == llvm::Triple::Apple)
1231 CmdArgs.push_back("-analyzer-checker=osx");
1234 // Set the output format. The default is plist, for (lame) historical
1236 CmdArgs.push_back("-analyzer-output");
1237 if (Arg *A = Args.getLastArg(options::OPT__analyzer_output))
1238 CmdArgs.push_back(A->getValue(Args));
1240 CmdArgs.push_back("plist");
1242 // Disable the presentation of standard compiler warnings when
1243 // using --analyze. We only want to show static analyzer diagnostics
1244 // or frontend errors.
1245 CmdArgs.push_back("-w");
1247 // Add -Xanalyzer arguments when running as analyzer.
1248 Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer);
1251 CheckCodeGenerationOptions(D, Args);
1253 // Perform argument translation for LLVM backend. This
1254 // takes some care in reconciling with llvm-gcc. The
1255 // issue is that llvm-gcc translates these options based on
1256 // the values in cc1, whereas we are processing based on
1257 // the driver arguments.
1259 // This comes from the default translation the driver + cc1
1260 // would do to enable flag_pic.
1262 // FIXME: Centralize this code.
1263 bool PICEnabled = (Args.hasArg(options::OPT_fPIC) ||
1264 Args.hasArg(options::OPT_fpic) ||
1265 Args.hasArg(options::OPT_fPIE) ||
1266 Args.hasArg(options::OPT_fpie));
1267 bool PICDisabled = (Args.hasArg(options::OPT_mkernel) ||
1268 Args.hasArg(options::OPT_static));
1269 const char *Model = getToolChain().GetForcedPicModel();
1271 if (Args.hasArg(options::OPT_mdynamic_no_pic))
1272 Model = "dynamic-no-pic";
1273 else if (PICDisabled)
1275 else if (PICEnabled)
1278 Model = getToolChain().GetDefaultRelocationModel();
1280 if (StringRef(Model) != "pic") {
1281 CmdArgs.push_back("-mrelocation-model");
1282 CmdArgs.push_back(Model);
1285 // Infer the __PIC__ value.
1287 // FIXME: This isn't quite right on Darwin, which always sets
1289 if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) {
1290 CmdArgs.push_back("-pic-level");
1291 CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1");
1293 if (!Args.hasFlag(options::OPT_fmerge_all_constants,
1294 options::OPT_fno_merge_all_constants))
1295 CmdArgs.push_back("-fno-merge-all-constants");
1297 // LLVM Code Generator Options.
1299 if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) {
1300 CmdArgs.push_back("-mregparm");
1301 CmdArgs.push_back(A->getValue(Args));
1304 if (Args.hasFlag(options::OPT_mrtd, options::OPT_mno_rtd, false))
1305 CmdArgs.push_back("-mrtd");
1307 // FIXME: Set --enable-unsafe-fp-math.
1308 if (Args.hasFlag(options::OPT_fno_omit_frame_pointer,
1309 options::OPT_fomit_frame_pointer))
1310 CmdArgs.push_back("-mdisable-fp-elim");
1311 if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss,
1312 options::OPT_fno_zero_initialized_in_bss))
1313 CmdArgs.push_back("-mno-zero-initialized-in-bss");
1314 if (!Args.hasFlag(options::OPT_fstrict_aliasing,
1315 options::OPT_fno_strict_aliasing,
1316 getToolChain().IsStrictAliasingDefault()))
1317 CmdArgs.push_back("-relaxed-aliasing");
1319 // Decide whether to use verbose asm. Verbose assembly is the default on
1320 // toolchains which have the integrated assembler on by default.
1321 bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault();
1322 if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
1323 IsVerboseAsmDefault) ||
1324 Args.hasArg(options::OPT_dA))
1325 CmdArgs.push_back("-masm-verbose");
1327 if (Args.hasArg(options::OPT_fdebug_pass_structure)) {
1328 CmdArgs.push_back("-mdebug-pass");
1329 CmdArgs.push_back("Structure");
1331 if (Args.hasArg(options::OPT_fdebug_pass_arguments)) {
1332 CmdArgs.push_back("-mdebug-pass");
1333 CmdArgs.push_back("Arguments");
1336 // Enable -mconstructor-aliases except on darwin, where we have to
1337 // work around a linker bug; see <rdar://problem/7651567>.
1338 if (!getToolChain().getTriple().isOSDarwin())
1339 CmdArgs.push_back("-mconstructor-aliases");
1341 // Darwin's kernel doesn't support guard variables; just die if we
1343 if (KernelOrKext && getToolChain().getTriple().isOSDarwin())
1344 CmdArgs.push_back("-fforbid-guard-variables");
1346 if (Args.hasArg(options::OPT_mms_bitfields)) {
1347 CmdArgs.push_back("-mms-bitfields");
1350 // This is a coarse approximation of what llvm-gcc actually does, both
1351 // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
1352 // complicated ways.
1353 bool AsynchronousUnwindTables =
1354 Args.hasFlag(options::OPT_fasynchronous_unwind_tables,
1355 options::OPT_fno_asynchronous_unwind_tables,
1356 getToolChain().IsUnwindTablesDefault() &&
1358 if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
1359 AsynchronousUnwindTables))
1360 CmdArgs.push_back("-munwind-tables");
1362 if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
1363 CmdArgs.push_back("-mlimit-float-precision");
1364 CmdArgs.push_back(A->getValue(Args));
1367 // FIXME: Handle -mtune=.
1368 (void) Args.hasArg(options::OPT_mtune_EQ);
1370 if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
1371 CmdArgs.push_back("-mcode-model");
1372 CmdArgs.push_back(A->getValue(Args));
1375 // Add target specific cpu and features flags.
1376 switch(getToolChain().getTriple().getArch()) {
1380 case llvm::Triple::arm:
1381 case llvm::Triple::thumb:
1382 AddARMTargetArgs(Args, CmdArgs, KernelOrKext);
1385 case llvm::Triple::mips:
1386 case llvm::Triple::mipsel:
1387 case llvm::Triple::mips64:
1388 case llvm::Triple::mips64el:
1389 AddMIPSTargetArgs(Args, CmdArgs);
1392 case llvm::Triple::sparc:
1393 AddSparcTargetArgs(Args, CmdArgs);
1396 case llvm::Triple::x86:
1397 case llvm::Triple::x86_64:
1398 AddX86TargetArgs(Args, CmdArgs);
1402 // Pass the linker version in use.
1403 if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
1404 CmdArgs.push_back("-target-linker-version");
1405 CmdArgs.push_back(A->getValue(Args));
1408 // -mno-omit-leaf-frame-pointer is the default on Darwin.
1409 if (Args.hasFlag(options::OPT_momit_leaf_frame_pointer,
1410 options::OPT_mno_omit_leaf_frame_pointer,
1411 !getToolChain().getTriple().isOSDarwin()))
1412 CmdArgs.push_back("-momit-leaf-frame-pointer");
1414 // -fno-math-errno is default.
1415 if (Args.hasFlag(options::OPT_fmath_errno,
1416 options::OPT_fno_math_errno,
1418 CmdArgs.push_back("-fmath-errno");
1420 // Explicitly error on some things we know we don't support and can't just
1422 types::ID InputType = Inputs[0].getType();
1423 if (!Args.hasArg(options::OPT_fallow_unsupported)) {
1425 if ((Unsupported = Args.getLastArg(options::OPT_iframework)))
1426 D.Diag(diag::err_drv_clang_unsupported)
1427 << Unsupported->getOption().getName();
1429 if (types::isCXX(InputType) &&
1430 getToolChain().getTriple().isOSDarwin() &&
1431 getToolChain().getTriple().getArch() == llvm::Triple::x86) {
1432 if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)) ||
1433 (Unsupported = Args.getLastArg(options::OPT_mkernel)))
1434 D.Diag(diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
1435 << Unsupported->getOption().getName();
1439 Args.AddAllArgs(CmdArgs, options::OPT_v);
1440 Args.AddLastArg(CmdArgs, options::OPT_H);
1441 if (D.CCPrintHeaders && !D.CCGenDiagnostics) {
1442 CmdArgs.push_back("-header-include-file");
1443 CmdArgs.push_back(D.CCPrintHeadersFilename ?
1444 D.CCPrintHeadersFilename : "-");
1446 Args.AddLastArg(CmdArgs, options::OPT_P);
1447 Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);
1449 if (D.CCLogDiagnostics && !D.CCGenDiagnostics) {
1450 CmdArgs.push_back("-diagnostic-log-file");
1451 CmdArgs.push_back(D.CCLogDiagnosticsFilename ?
1452 D.CCLogDiagnosticsFilename : "-");
1455 // Special case debug options to only pass -g to clang. This is
1457 Args.ClaimAllArgs(options::OPT_g_Group);
1458 if (Arg *A = Args.getLastArg(options::OPT_g_Group))
1459 if (!A->getOption().matches(options::OPT_g0))
1460 CmdArgs.push_back("-g");
1462 Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections);
1463 Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections);
1465 Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);
1467 if (Args.hasArg(options::OPT_ftest_coverage) ||
1468 Args.hasArg(options::OPT_coverage))
1469 CmdArgs.push_back("-femit-coverage-notes");
1470 if (Args.hasArg(options::OPT_fprofile_arcs) ||
1471 Args.hasArg(options::OPT_coverage))
1472 CmdArgs.push_back("-femit-coverage-data");
1474 if (C.getArgs().hasArg(options::OPT_c) ||
1475 C.getArgs().hasArg(options::OPT_S)) {
1476 if (Output.isFilename()) {
1477 CmdArgs.push_back("-coverage-file");
1478 CmdArgs.push_back(Args.MakeArgString(Output.getFilename()));
1482 // Pass options for controlling the default header search paths.
1483 if (Args.hasArg(options::OPT_nostdinc)) {
1484 CmdArgs.push_back("-nostdsysteminc");
1485 CmdArgs.push_back("-nobuiltininc");
1487 if (Args.hasArg(options::OPT_nostdlibinc))
1488 CmdArgs.push_back("-nostdsysteminc");
1489 Args.AddLastArg(CmdArgs, options::OPT_nostdincxx);
1490 Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc);
1493 // Pass the path to compiler resource files.
1494 CmdArgs.push_back("-resource-dir");
1495 CmdArgs.push_back(D.ResourceDir.c_str());
1497 Args.AddLastArg(CmdArgs, options::OPT_working_directory);
1499 if (!Args.hasArg(options::OPT_fno_objc_arc)) {
1500 if (const Arg *A = Args.getLastArg(options::OPT_ccc_arcmt_check,
1501 options::OPT_ccc_arcmt_modify,
1502 options::OPT_ccc_arcmt_migrate)) {
1503 switch (A->getOption().getID()) {
1505 llvm_unreachable("missed a case");
1506 case options::OPT_ccc_arcmt_check:
1507 CmdArgs.push_back("-arcmt-check");
1509 case options::OPT_ccc_arcmt_modify:
1510 CmdArgs.push_back("-arcmt-modify");
1512 case options::OPT_ccc_arcmt_migrate:
1513 CmdArgs.push_back("-arcmt-migrate");
1514 CmdArgs.push_back("-arcmt-migrate-directory");
1515 CmdArgs.push_back(A->getValue(Args));
1517 Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_report_output);
1518 Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_emit_arc_errors);
1524 // Add preprocessing options like -I, -D, etc. if we are using the
1527 // FIXME: Support -fpreprocessed
1528 if (types::getPreprocessedType(InputType) != types::TY_INVALID)
1529 AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs);
1531 // Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes
1532 // that "The compiler can only warn and ignore the option if not recognized".
1533 // When building with ccache, it will pass -D options to clang even on
1534 // preprocessed inputs and configure concludes that -fPIC is not supported.
1535 Args.ClaimAllArgs(options::OPT_D);
1537 // Manually translate -O to -O2 and -O4 to -O3; let clang reject
1539 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
1540 if (A->getOption().matches(options::OPT_O4))
1541 CmdArgs.push_back("-O3");
1542 else if (A->getOption().matches(options::OPT_O) &&
1543 A->getValue(Args)[0] == '\0')
1544 CmdArgs.push_back("-O2");
1546 A->render(Args, CmdArgs);
1549 Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
1550 Args.AddLastArg(CmdArgs, options::OPT_pedantic);
1551 Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors);
1552 Args.AddLastArg(CmdArgs, options::OPT_w);
1554 // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi}
1555 // (-ansi is equivalent to -std=c89).
1557 // If a std is supplied, only add -trigraphs if it follows the
1559 if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
1560 if (Std->getOption().matches(options::OPT_ansi))
1561 if (types::isCXX(InputType))
1562 CmdArgs.push_back("-std=c++98");
1564 CmdArgs.push_back("-std=c89");
1566 Std->render(Args, CmdArgs);
1568 if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi,
1569 options::OPT_trigraphs))
1571 A->render(Args, CmdArgs);
1573 // Honor -std-default.
1575 // FIXME: Clang doesn't correctly handle -std= when the input language
1576 // doesn't match. For the time being just ignore this for C++ inputs;
1577 // eventually we want to do all the standard defaulting here instead of
1578 // splitting it between the driver and clang -cc1.
1579 if (!types::isCXX(InputType))
1580 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
1581 "-std=", /*Joined=*/true);
1582 Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
1585 // Map the bizarre '-Wwrite-strings' flag to a more sensible
1586 // '-fconst-strings'; this better indicates its actual behavior.
1587 if (Args.hasFlag(options::OPT_Wwrite_strings, options::OPT_Wno_write_strings,
1589 // For perfect compatibility with GCC, we do this even in the presence of
1590 // '-w'. This flag names something other than a warning for GCC.
1591 CmdArgs.push_back("-fconst-strings");
1594 // GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active
1595 // during C++ compilation, which it is by default. GCC keeps this define even
1596 // in the presence of '-w', match this behavior bug-for-bug.
1597 if (types::isCXX(InputType) &&
1598 Args.hasFlag(options::OPT_Wdeprecated, options::OPT_Wno_deprecated,
1600 CmdArgs.push_back("-fdeprecated-macro");
1603 // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'.
1604 if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) {
1605 if (Asm->getOption().matches(options::OPT_fasm))
1606 CmdArgs.push_back("-fgnu-keywords");
1608 CmdArgs.push_back("-fno-gnu-keywords");
1611 if (ShouldDisableCFI(Args, getToolChain()))
1612 CmdArgs.push_back("-fno-dwarf2-cfi-asm");
1614 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) {
1615 CmdArgs.push_back("-ftemplate-depth");
1616 CmdArgs.push_back(A->getValue(Args));
1619 if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ,
1620 options::OPT_Wlarge_by_value_copy_def)) {
1621 CmdArgs.push_back("-Wlarge-by-value-copy");
1622 if (A->getNumValues())
1623 CmdArgs.push_back(A->getValue(Args));
1625 CmdArgs.push_back("64"); // default value for -Wlarge-by-value-copy.
1628 if (Args.hasArg(options::OPT__relocatable_pch))
1629 CmdArgs.push_back("-relocatable-pch");
1631 if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) {
1632 CmdArgs.push_back("-fconstant-string-class");
1633 CmdArgs.push_back(A->getValue(Args));
1636 if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) {
1637 CmdArgs.push_back("-ftabstop");
1638 CmdArgs.push_back(A->getValue(Args));
1641 CmdArgs.push_back("-ferror-limit");
1642 if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ))
1643 CmdArgs.push_back(A->getValue(Args));
1645 CmdArgs.push_back("19");
1647 if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) {
1648 CmdArgs.push_back("-fmacro-backtrace-limit");
1649 CmdArgs.push_back(A->getValue(Args));
1652 if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) {
1653 CmdArgs.push_back("-ftemplate-backtrace-limit");
1654 CmdArgs.push_back(A->getValue(Args));
1657 // Pass -fmessage-length=.
1658 CmdArgs.push_back("-fmessage-length");
1659 if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) {
1660 CmdArgs.push_back(A->getValue(Args));
1662 // If -fmessage-length=N was not specified, determine whether this is a
1663 // terminal and, if so, implicitly define -fmessage-length appropriately.
1664 unsigned N = llvm::sys::Process::StandardErrColumns();
1665 CmdArgs.push_back(Args.MakeArgString(Twine(N)));
1668 if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) {
1669 CmdArgs.push_back("-fvisibility");
1670 CmdArgs.push_back(A->getValue(Args));
1673 Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden);
1675 // -fhosted is default.
1676 if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding,
1677 options::OPT_fhosted,
1679 CmdArgs.push_back("-ffreestanding");
1681 // Forward -f (flag) options which we can pass directly.
1682 Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior);
1683 Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
1684 Args.AddLastArg(CmdArgs, options::OPT_fformat_extensions);
1685 Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
1686 Args.AddLastArg(CmdArgs, options::OPT_flimit_debug_info);
1687 if (getToolChain().SupportsProfiling())
1688 Args.AddLastArg(CmdArgs, options::OPT_pg);
1690 // -flax-vector-conversions is default.
1691 if (!Args.hasFlag(options::OPT_flax_vector_conversions,
1692 options::OPT_fno_lax_vector_conversions))
1693 CmdArgs.push_back("-fno-lax-vector-conversions");
1695 if (Args.getLastArg(options::OPT_fapple_kext))
1696 CmdArgs.push_back("-fapple-kext");
1698 Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
1699 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info);
1700 Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits);
1701 Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
1702 Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
1704 if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) {
1705 CmdArgs.push_back("-ftrapv-handler");
1706 CmdArgs.push_back(A->getValue(Args));
1709 // Forward -ftrap_function= options to the backend.
1710 if (Arg *A = Args.getLastArg(options::OPT_ftrap_function_EQ)) {
1711 StringRef FuncName = A->getValue(Args);
1712 CmdArgs.push_back("-backend-option");
1713 CmdArgs.push_back(Args.MakeArgString("-trap-func=" + FuncName));
1716 // -fno-strict-overflow implies -fwrapv if it isn't disabled, but
1717 // -fstrict-overflow won't turn off an explicitly enabled -fwrapv.
1718 if (Arg *A = Args.getLastArg(options::OPT_fwrapv,
1719 options::OPT_fno_wrapv)) {
1720 if (A->getOption().matches(options::OPT_fwrapv))
1721 CmdArgs.push_back("-fwrapv");
1722 } else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow,
1723 options::OPT_fno_strict_overflow)) {
1724 if (A->getOption().matches(options::OPT_fno_strict_overflow))
1725 CmdArgs.push_back("-fwrapv");
1727 Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings);
1728 Args.AddLastArg(CmdArgs, options::OPT_funroll_loops);
1730 Args.AddLastArg(CmdArgs, options::OPT_pthread);
1732 // -stack-protector=0 is default.
1733 unsigned StackProtectorLevel = 0;
1734 if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector,
1735 options::OPT_fstack_protector_all,
1736 options::OPT_fstack_protector)) {
1737 if (A->getOption().matches(options::OPT_fstack_protector))
1738 StackProtectorLevel = 1;
1739 else if (A->getOption().matches(options::OPT_fstack_protector_all))
1740 StackProtectorLevel = 2;
1742 StackProtectorLevel =
1743 getToolChain().GetDefaultStackProtectorLevel(KernelOrKext);
1745 if (StackProtectorLevel) {
1746 CmdArgs.push_back("-stack-protector");
1747 CmdArgs.push_back(Args.MakeArgString(Twine(StackProtectorLevel)));
1750 // Translate -mstackrealign
1751 if (Args.hasArg(options::OPT_mstackrealign)) {
1752 CmdArgs.push_back("-backend-option");
1753 CmdArgs.push_back("-force-align-stack");
1756 // Forward -f options with positive and negative forms; we translate
1759 if (Args.hasArg(options::OPT_mkernel)) {
1760 if (!Args.hasArg(options::OPT_fapple_kext) && types::isCXX(InputType))
1761 CmdArgs.push_back("-fapple-kext");
1762 if (!Args.hasArg(options::OPT_fbuiltin))
1763 CmdArgs.push_back("-fno-builtin");
1765 // -fbuiltin is default.
1766 else if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin))
1767 CmdArgs.push_back("-fno-builtin");
1769 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
1770 options::OPT_fno_assume_sane_operator_new))
1771 CmdArgs.push_back("-fno-assume-sane-operator-new");
1773 // -fblocks=0 is default.
1774 if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks,
1775 getToolChain().IsBlocksDefault()) ||
1776 (Args.hasArg(options::OPT_fgnu_runtime) &&
1777 Args.hasArg(options::OPT_fobjc_nonfragile_abi) &&
1778 !Args.hasArg(options::OPT_fno_blocks))) {
1779 CmdArgs.push_back("-fblocks");
1781 if (!Args.hasArg(options::OPT_fgnu_runtime) &&
1782 !getToolChain().hasBlocksRuntime())
1783 CmdArgs.push_back("-fblocks-runtime-optional");
1786 // -faccess-control is default.
1787 if (Args.hasFlag(options::OPT_fno_access_control,
1788 options::OPT_faccess_control,
1790 CmdArgs.push_back("-fno-access-control");
1792 // -felide-constructors is the default.
1793 if (Args.hasFlag(options::OPT_fno_elide_constructors,
1794 options::OPT_felide_constructors,
1796 CmdArgs.push_back("-fno-elide-constructors");
1798 // -frtti is default.
1800 !Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti))
1801 CmdArgs.push_back("-fno-rtti");
1803 // -fshort-enums=0 is default.
1804 // FIXME: Are there targers where -fshort-enums is on by default ?
1805 if (Args.hasFlag(options::OPT_fshort_enums,
1806 options::OPT_fno_short_enums, false))
1807 CmdArgs.push_back("-fshort-enums");
1809 // -fsigned-char is default.
1810 if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char,
1811 isSignedCharDefault(getToolChain().getTriple())))
1812 CmdArgs.push_back("-fno-signed-char");
1814 // -fthreadsafe-static is default.
1815 if (!Args.hasFlag(options::OPT_fthreadsafe_statics,
1816 options::OPT_fno_threadsafe_statics))
1817 CmdArgs.push_back("-fno-threadsafe-statics");
1819 // -fuse-cxa-atexit is default.
1821 !Args.hasFlag(options::OPT_fuse_cxa_atexit, options::OPT_fno_use_cxa_atexit,
1822 getToolChain().getTriple().getOS() != llvm::Triple::Cygwin &&
1823 getToolChain().getTriple().getOS() != llvm::Triple::MinGW32))
1824 CmdArgs.push_back("-fno-use-cxa-atexit");
1826 // -fms-extensions=0 is default.
1827 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
1828 getToolChain().getTriple().getOS() == llvm::Triple::Win32))
1829 CmdArgs.push_back("-fms-extensions");
1831 // -fms-compatibility=0 is default.
1832 if (Args.hasFlag(options::OPT_fms_compatibility, options::OPT_fno_ms_compatibility,
1833 getToolChain().getTriple().getOS() == llvm::Triple::Win32))
1834 CmdArgs.push_back("-fms-compatibility");
1836 // -fmsc-version=1300 is default.
1837 if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
1838 getToolChain().getTriple().getOS() == llvm::Triple::Win32) ||
1839 Args.hasArg(options::OPT_fmsc_version)) {
1840 StringRef msc_ver = Args.getLastArgValue(options::OPT_fmsc_version);
1841 if (msc_ver.empty())
1842 CmdArgs.push_back("-fmsc-version=1300");
1844 CmdArgs.push_back(Args.MakeArgString("-fmsc-version=" + msc_ver));
1848 // -fborland-extensions=0 is default.
1849 if (Args.hasFlag(options::OPT_fborland_extensions,
1850 options::OPT_fno_borland_extensions, false))
1851 CmdArgs.push_back("-fborland-extensions");
1853 // -fno-delayed-template-parsing is default, except for Windows where MSVC STL
1855 if (Args.hasFlag(options::OPT_fdelayed_template_parsing,
1856 options::OPT_fno_delayed_template_parsing,
1857 getToolChain().getTriple().getOS() == llvm::Triple::Win32))
1858 CmdArgs.push_back("-fdelayed-template-parsing");
1860 // -fgnu-keywords default varies depending on language; only pass if
1862 if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords,
1863 options::OPT_fno_gnu_keywords))
1864 A->render(Args, CmdArgs);
1866 if (Args.hasFlag(options::OPT_fgnu89_inline,
1867 options::OPT_fno_gnu89_inline,
1869 CmdArgs.push_back("-fgnu89-inline");
1871 // -fobjc-nonfragile-abi=0 is default.
1872 ObjCRuntime objCRuntime;
1873 unsigned objcABIVersion = 0;
1874 bool NeXTRuntimeIsDefault
1875 = (IsRewriter || getToolChain().getTriple().isOSDarwin());
1876 if (Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime,
1877 NeXTRuntimeIsDefault)) {
1878 objCRuntime.setKind(ObjCRuntime::NeXT);
1880 CmdArgs.push_back("-fgnu-runtime");
1881 objCRuntime.setKind(ObjCRuntime::GNU);
1883 getToolChain().configureObjCRuntime(objCRuntime);
1884 if (objCRuntime.HasARC)
1885 CmdArgs.push_back("-fobjc-runtime-has-arc");
1886 if (objCRuntime.HasWeak)
1887 CmdArgs.push_back("-fobjc-runtime-has-weak");
1888 if (objCRuntime.HasTerminate)
1889 CmdArgs.push_back("-fobjc-runtime-has-terminate");
1891 // Compute the Objective-C ABI "version" to use. Version numbers are
1892 // slightly confusing for historical reasons:
1893 // 1 - Traditional "fragile" ABI
1894 // 2 - Non-fragile ABI, version 1
1895 // 3 - Non-fragile ABI, version 2
1897 // If -fobjc-abi-version= is present, use that to set the version.
1898 if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) {
1899 if (StringRef(A->getValue(Args)) == "1")
1901 else if (StringRef(A->getValue(Args)) == "2")
1903 else if (StringRef(A->getValue(Args)) == "3")
1906 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
1908 // Otherwise, determine if we are using the non-fragile ABI.
1909 bool NonFragileABIIsDefault
1910 = (!IsRewriter && getToolChain().IsObjCNonFragileABIDefault());
1911 if (Args.hasFlag(options::OPT_fobjc_nonfragile_abi,
1912 options::OPT_fno_objc_nonfragile_abi,
1913 NonFragileABIIsDefault)) {
1914 // Determine the non-fragile ABI version to use.
1915 #ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO
1916 unsigned NonFragileABIVersion = 1;
1918 unsigned NonFragileABIVersion = 2;
1921 if (Arg *A = Args.getLastArg(
1922 options::OPT_fobjc_nonfragile_abi_version_EQ)) {
1923 if (StringRef(A->getValue(Args)) == "1")
1924 NonFragileABIVersion = 1;
1925 else if (StringRef(A->getValue(Args)) == "2")
1926 NonFragileABIVersion = 2;
1928 D.Diag(diag::err_drv_clang_unsupported)
1929 << A->getAsString(Args);
1932 objcABIVersion = 1 + NonFragileABIVersion;
1938 if (objcABIVersion == 1) {
1939 CmdArgs.push_back("-fobjc-fragile-abi");
1941 // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and
1942 // legacy is the default.
1943 if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
1944 options::OPT_fno_objc_legacy_dispatch,
1945 getToolChain().IsObjCLegacyDispatchDefault())) {
1946 if (getToolChain().UseObjCMixedDispatch())
1947 CmdArgs.push_back("-fobjc-dispatch-method=mixed");
1949 CmdArgs.push_back("-fobjc-dispatch-method=non-legacy");
1953 // -fobjc-default-synthesize-properties=0 is default.
1954 if (Args.hasFlag(options::OPT_fobjc_default_synthesize_properties,
1955 options::OPT_fno_objc_default_synthesize_properties,
1956 getToolChain().IsObjCDefaultSynthPropertiesDefault())) {
1957 CmdArgs.push_back("-fobjc-default-synthesize-properties");
1960 // Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc.
1961 // NOTE: This logic is duplicated in ToolChains.cpp.
1962 bool ARC = isObjCAutoRefCount(Args);
1964 CmdArgs.push_back("-fobjc-arc");
1966 // FIXME: It seems like this entire block, and several around it should be
1967 // wrapped in isObjC, but for now we just use it here as this is where it
1968 // was being used previously.
1969 if (types::isCXX(InputType) && types::isObjC(InputType)) {
1970 if (getToolChain().GetCXXStdlibType(Args) == ToolChain::CST_Libcxx)
1971 CmdArgs.push_back("-fobjc-arc-cxxlib=libc++");
1973 CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++");
1976 // Allow the user to enable full exceptions code emission.
1977 // We define off for Objective-CC, on for Objective-C++.
1978 if (Args.hasFlag(options::OPT_fobjc_arc_exceptions,
1979 options::OPT_fno_objc_arc_exceptions,
1980 /*default*/ types::isCXX(InputType)))
1981 CmdArgs.push_back("-fobjc-arc-exceptions");
1984 // -fobjc-infer-related-result-type is the default, except in the Objective-C
1987 CmdArgs.push_back("-fno-objc-infer-related-result-type");
1989 // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only
1990 // takes precedence.
1991 const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only);
1993 GCArg = Args.getLastArg(options::OPT_fobjc_gc);
1996 D.Diag(diag::err_drv_objc_gc_arr)
1997 << GCArg->getAsString(Args);
1998 } else if (getToolChain().SupportsObjCGC()) {
1999 GCArg->render(Args, CmdArgs);
2001 // FIXME: We should move this to a hard error.
2002 D.Diag(diag::warn_drv_objc_gc_unsupported)
2003 << GCArg->getAsString(Args);
2007 // Add exception args.
2008 addExceptionArgs(Args, InputType, getToolChain().getTriple(),
2009 KernelOrKext, IsRewriter, objcABIVersion, CmdArgs);
2011 if (getToolChain().UseSjLjExceptions())
2012 CmdArgs.push_back("-fsjlj-exceptions");
2014 // C++ "sane" operator new.
2015 if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
2016 options::OPT_fno_assume_sane_operator_new))
2017 CmdArgs.push_back("-fno-assume-sane-operator-new");
2019 // -fconstant-cfstrings is default, and may be subject to argument translation
2021 if (!Args.hasFlag(options::OPT_fconstant_cfstrings,
2022 options::OPT_fno_constant_cfstrings) ||
2023 !Args.hasFlag(options::OPT_mconstant_cfstrings,
2024 options::OPT_mno_constant_cfstrings))
2025 CmdArgs.push_back("-fno-constant-cfstrings");
2027 // -fshort-wchar default varies depending on platform; only
2028 // pass if specified.
2029 if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar))
2030 A->render(Args, CmdArgs);
2032 // -fno-pascal-strings is default, only pass non-default. If the tool chain
2033 // happened to translate to -mpascal-strings, we want to back translate here.
2035 // FIXME: This is gross; that translation should be pulled from the
2037 if (Args.hasFlag(options::OPT_fpascal_strings,
2038 options::OPT_fno_pascal_strings,
2040 Args.hasFlag(options::OPT_mpascal_strings,
2041 options::OPT_mno_pascal_strings,
2043 CmdArgs.push_back("-fpascal-strings");
2045 // Honor -fpack-struct= and -fpack-struct, if given. Note that
2046 // -fno-pack-struct doesn't apply to -fpack-struct=.
2047 if (Arg *A = Args.getLastArg(options::OPT_fpack_struct_EQ)) {
2048 CmdArgs.push_back("-fpack-struct");
2049 CmdArgs.push_back(A->getValue(Args));
2050 } else if (Args.hasFlag(options::OPT_fpack_struct,
2051 options::OPT_fno_pack_struct, false)) {
2052 CmdArgs.push_back("-fpack-struct");
2053 CmdArgs.push_back("1");
2056 if (Args.hasArg(options::OPT_mkernel) ||
2057 Args.hasArg(options::OPT_fapple_kext)) {
2058 if (!Args.hasArg(options::OPT_fcommon))
2059 CmdArgs.push_back("-fno-common");
2062 // -fcommon is default, only pass non-default.
2063 else if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common))
2064 CmdArgs.push_back("-fno-common");
2066 // -fsigned-bitfields is default, and clang doesn't yet support
2067 // -funsigned-bitfields.
2068 if (!Args.hasFlag(options::OPT_fsigned_bitfields,
2069 options::OPT_funsigned_bitfields))
2070 D.Diag(diag::warn_drv_clang_unsupported)
2071 << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args);
2073 // -fsigned-bitfields is default, and clang doesn't support -fno-for-scope.
2074 if (!Args.hasFlag(options::OPT_ffor_scope,
2075 options::OPT_fno_for_scope))
2076 D.Diag(diag::err_drv_clang_unsupported)
2077 << Args.getLastArg(options::OPT_fno_for_scope)->getAsString(Args);
2079 // -fcaret-diagnostics is default.
2080 if (!Args.hasFlag(options::OPT_fcaret_diagnostics,
2081 options::OPT_fno_caret_diagnostics, true))
2082 CmdArgs.push_back("-fno-caret-diagnostics");
2084 // -fdiagnostics-fixit-info is default, only pass non-default.
2085 if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info,
2086 options::OPT_fno_diagnostics_fixit_info))
2087 CmdArgs.push_back("-fno-diagnostics-fixit-info");
2089 // Enable -fdiagnostics-show-name by default.
2090 if (Args.hasFlag(options::OPT_fdiagnostics_show_name,
2091 options::OPT_fno_diagnostics_show_name, false))
2092 CmdArgs.push_back("-fdiagnostics-show-name");
2094 // Enable -fdiagnostics-show-option by default.
2095 if (Args.hasFlag(options::OPT_fdiagnostics_show_option,
2096 options::OPT_fno_diagnostics_show_option))
2097 CmdArgs.push_back("-fdiagnostics-show-option");
2100 Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) {
2101 CmdArgs.push_back("-fdiagnostics-show-category");
2102 CmdArgs.push_back(A->getValue(Args));
2106 Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) {
2107 CmdArgs.push_back("-fdiagnostics-format");
2108 CmdArgs.push_back(A->getValue(Args));
2111 if (Arg *A = Args.getLastArg(
2112 options::OPT_fdiagnostics_show_note_include_stack,
2113 options::OPT_fno_diagnostics_show_note_include_stack)) {
2114 if (A->getOption().matches(
2115 options::OPT_fdiagnostics_show_note_include_stack))
2116 CmdArgs.push_back("-fdiagnostics-show-note-include-stack");
2118 CmdArgs.push_back("-fno-diagnostics-show-note-include-stack");
2121 // Color diagnostics are the default, unless the terminal doesn't support
2123 if (Args.hasFlag(options::OPT_fcolor_diagnostics,
2124 options::OPT_fno_color_diagnostics,
2125 llvm::sys::Process::StandardErrHasColors()))
2126 CmdArgs.push_back("-fcolor-diagnostics");
2128 if (!Args.hasFlag(options::OPT_fshow_source_location,
2129 options::OPT_fno_show_source_location))
2130 CmdArgs.push_back("-fno-show-source-location");
2132 if (!Args.hasFlag(options::OPT_fshow_column,
2133 options::OPT_fno_show_column,
2135 CmdArgs.push_back("-fno-show-column");
2137 if (!Args.hasFlag(options::OPT_fspell_checking,
2138 options::OPT_fno_spell_checking))
2139 CmdArgs.push_back("-fno-spell-checking");
2142 // Silently ignore -fasm-blocks for now.
2143 (void) Args.hasFlag(options::OPT_fasm_blocks, options::OPT_fno_asm_blocks,
2146 if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
2147 A->render(Args, CmdArgs);
2149 // -fdollars-in-identifiers default varies depending on platform and
2150 // language; only pass if specified.
2151 if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers,
2152 options::OPT_fno_dollars_in_identifiers)) {
2153 if (A->getOption().matches(options::OPT_fdollars_in_identifiers))
2154 CmdArgs.push_back("-fdollars-in-identifiers");
2156 CmdArgs.push_back("-fno-dollars-in-identifiers");
2159 // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for
2160 // practical purposes.
2161 if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time,
2162 options::OPT_fno_unit_at_a_time)) {
2163 if (A->getOption().matches(options::OPT_fno_unit_at_a_time))
2164 D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args);
2167 // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM.
2169 // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941.
2171 if (getToolChain().getTriple().isOSDarwin() &&
2172 (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
2173 getToolChain().getTriple().getArch() == llvm::Triple::thumb)) {
2174 if (!Args.hasArg(options::OPT_fbuiltin_strcat))
2175 CmdArgs.push_back("-fno-builtin-strcat");
2176 if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
2177 CmdArgs.push_back("-fno-builtin-strcpy");
2181 // Only allow -traditional or -traditional-cpp outside in preprocessing modes.
2182 if (Arg *A = Args.getLastArg(options::OPT_traditional,
2183 options::OPT_traditional_cpp)) {
2184 if (isa<PreprocessJobAction>(JA))
2185 CmdArgs.push_back("-traditional-cpp");
2187 D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
2190 Args.AddLastArg(CmdArgs, options::OPT_dM);
2191 Args.AddLastArg(CmdArgs, options::OPT_dD);
2193 // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option
2195 Args.AddAllArgValues(CmdArgs, options::OPT_Xclang);
2196 for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm),
2197 ie = Args.filtered_end(); it != ie; ++it) {
2200 // We translate this by hand to the -cc1 argument, since nightly test uses
2201 // it and developers have been trained to spell it with -mllvm.
2202 if (StringRef((*it)->getValue(Args, 0)) == "-disable-llvm-optzns")
2203 CmdArgs.push_back("-disable-llvm-optzns");
2205 (*it)->render(Args, CmdArgs);
2208 if (Output.getType() == types::TY_Dependencies) {
2209 // Handled with other dependency code.
2210 } else if (Output.isFilename()) {
2211 CmdArgs.push_back("-o");
2212 CmdArgs.push_back(Output.getFilename());
2214 assert(Output.isNothing() && "Invalid output.");
2217 for (InputInfoList::const_iterator
2218 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
2219 const InputInfo &II = *it;
2220 CmdArgs.push_back("-x");
2221 CmdArgs.push_back(types::getTypeName(II.getType()));
2222 if (II.isFilename())
2223 CmdArgs.push_back(II.getFilename());
2225 II.getInputArg().renderAsInput(Args, CmdArgs);
2228 Args.AddAllArgs(CmdArgs, options::OPT_undef);
2230 const char *Exec = getToolChain().getDriver().getClangProgramPath();
2232 // Optionally embed the -cc1 level arguments into the debug info, for build
2234 if (getToolChain().UseDwarfDebugFlags()) {
2235 ArgStringList OriginalArgs;
2236 for (ArgList::const_iterator it = Args.begin(),
2237 ie = Args.end(); it != ie; ++it)
2238 (*it)->render(Args, OriginalArgs);
2240 llvm::SmallString<256> Flags;
2242 for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
2244 Flags += OriginalArgs[i];
2246 CmdArgs.push_back("-dwarf-debug-flags");
2247 CmdArgs.push_back(Args.MakeArgString(Flags.str()));
2250 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2252 if (Arg *A = Args.getLastArg(options::OPT_pg))
2253 if (Args.hasArg(options::OPT_fomit_frame_pointer))
2254 D.Diag(diag::err_drv_argument_not_allowed_with)
2255 << "-fomit-frame-pointer" << A->getAsString(Args);
2257 // Claim some arguments which clang supports automatically.
2259 // -fpch-preprocess is used with gcc to add a special marker in the output to
2260 // include the PCH file. Clang's PTH solution is completely transparent, so we
2261 // do not need to deal with it at all.
2262 Args.ClaimAllArgs(options::OPT_fpch_preprocess);
2264 // Claim some arguments which clang doesn't support, but we don't
2265 // care to warn the user about.
2266 Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group);
2267 Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group);
2269 // Disable warnings for clang -E -use-gold-plugin -emit-llvm foo.c
2270 Args.ClaimAllArgs(options::OPT_use_gold_plugin);
2271 Args.ClaimAllArgs(options::OPT_emit_llvm);
2274 void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
2275 const InputInfo &Output,
2276 const InputInfoList &Inputs,
2277 const ArgList &Args,
2278 const char *LinkingOutput) const {
2279 ArgStringList CmdArgs;
2281 assert(Inputs.size() == 1 && "Unexpected number of inputs.");
2282 const InputInfo &Input = Inputs[0];
2284 // Don't warn about "clang -w -c foo.s"
2285 Args.ClaimAllArgs(options::OPT_w);
2286 // and "clang -emit-llvm -c foo.s"
2287 Args.ClaimAllArgs(options::OPT_emit_llvm);
2288 // and "clang -use-gold-plugin -c foo.s"
2289 Args.ClaimAllArgs(options::OPT_use_gold_plugin);
2291 // Invoke ourselves in -cc1as mode.
2293 // FIXME: Implement custom jobs for internal actions.
2294 CmdArgs.push_back("-cc1as");
2296 // Add the "effective" target triple.
2297 CmdArgs.push_back("-triple");
2298 std::string TripleStr =
2299 getToolChain().ComputeEffectiveClangTriple(Args, Input.getType());
2300 CmdArgs.push_back(Args.MakeArgString(TripleStr));
2302 // Set the output mode, we currently only expect to be used as a real
2304 CmdArgs.push_back("-filetype");
2305 CmdArgs.push_back("obj");
2307 if (UseRelaxAll(C, Args))
2308 CmdArgs.push_back("-relax-all");
2310 // Ignore explicit -force_cpusubtype_ALL option.
2311 (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
2313 // FIXME: Add -g support, once we have it.
2315 // FIXME: Add -static support, once we have it.
2317 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
2318 options::OPT_Xassembler);
2319 Args.AddAllArgs(CmdArgs, options::OPT_mllvm);
2321 assert(Output.isFilename() && "Unexpected lipo output.");
2322 CmdArgs.push_back("-o");
2323 CmdArgs.push_back(Output.getFilename());
2325 assert(Input.isFilename() && "Invalid input.");
2326 CmdArgs.push_back(Input.getFilename());
2328 const char *Exec = getToolChain().getDriver().getClangProgramPath();
2329 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2332 void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
2333 const InputInfo &Output,
2334 const InputInfoList &Inputs,
2335 const ArgList &Args,
2336 const char *LinkingOutput) const {
2337 const Driver &D = getToolChain().getDriver();
2338 ArgStringList CmdArgs;
2340 for (ArgList::const_iterator
2341 it = Args.begin(), ie = Args.end(); it != ie; ++it) {
2343 if (A->getOption().hasForwardToGCC()) {
2344 // Don't forward any -g arguments to assembly steps.
2345 if (isa<AssembleJobAction>(JA) &&
2346 A->getOption().matches(options::OPT_g_Group))
2349 // It is unfortunate that we have to claim here, as this means
2350 // we will basically never report anything interesting for
2351 // platforms using a generic gcc, even if we are just using gcc
2352 // to get to the assembler.
2354 A->render(Args, CmdArgs);
2358 RenderExtraToolArgs(JA, CmdArgs);
2360 // If using a driver driver, force the arch.
2361 const std::string &Arch = getToolChain().getArchName();
2362 if (getToolChain().getTriple().isOSDarwin()) {
2363 CmdArgs.push_back("-arch");
2365 // FIXME: Remove these special cases.
2366 if (Arch == "powerpc")
2367 CmdArgs.push_back("ppc");
2368 else if (Arch == "powerpc64")
2369 CmdArgs.push_back("ppc64");
2371 CmdArgs.push_back(Args.MakeArgString(Arch));
2374 // Try to force gcc to match the tool chain we want, if we recognize
2377 // FIXME: The triple class should directly provide the information we want
2379 if (Arch == "i386" || Arch == "powerpc")
2380 CmdArgs.push_back("-m32");
2381 else if (Arch == "x86_64" || Arch == "powerpc64")
2382 CmdArgs.push_back("-m64");
2384 if (Output.isFilename()) {
2385 CmdArgs.push_back("-o");
2386 CmdArgs.push_back(Output.getFilename());
2388 assert(Output.isNothing() && "Unexpected output");
2389 CmdArgs.push_back("-fsyntax-only");
2393 // Only pass -x if gcc will understand it; otherwise hope gcc
2394 // understands the suffix correctly. The main use case this would go
2395 // wrong in is for linker inputs if they happened to have an odd
2396 // suffix; really the only way to get this to happen is a command
2397 // like '-x foobar a.c' which will treat a.c like a linker input.
2399 // FIXME: For the linker case specifically, can we safely convert
2400 // inputs into '-Wl,' options?
2401 for (InputInfoList::const_iterator
2402 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
2403 const InputInfo &II = *it;
2405 // Don't try to pass LLVM or AST inputs to a generic gcc.
2406 if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
2407 II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
2408 D.Diag(diag::err_drv_no_linker_llvm_support)
2409 << getToolChain().getTripleString();
2410 else if (II.getType() == types::TY_AST)
2411 D.Diag(diag::err_drv_no_ast_support)
2412 << getToolChain().getTripleString();
2414 if (types::canTypeBeUserSpecified(II.getType())) {
2415 CmdArgs.push_back("-x");
2416 CmdArgs.push_back(types::getTypeName(II.getType()));
2419 if (II.isFilename())
2420 CmdArgs.push_back(II.getFilename());
2422 const Arg &A = II.getInputArg();
2424 // Reverse translate some rewritten options.
2425 if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
2426 CmdArgs.push_back("-lstdc++");
2430 // Don't render as input, we need gcc to do the translations.
2431 A.render(Args, CmdArgs);
2435 const std::string customGCCName = D.getCCCGenericGCCName();
2436 const char *GCCName;
2437 if (!customGCCName.empty())
2438 GCCName = customGCCName.c_str();
2439 else if (D.CCCIsCXX) {
2441 // FIXME: Detect the version of Cygwin at runtime?
2450 Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
2451 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2454 void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA,
2455 ArgStringList &CmdArgs) const {
2456 CmdArgs.push_back("-E");
2459 void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA,
2460 ArgStringList &CmdArgs) const {
2461 // The type is good enough.
2464 void gcc::Compile::RenderExtraToolArgs(const JobAction &JA,
2465 ArgStringList &CmdArgs) const {
2466 const Driver &D = getToolChain().getDriver();
2468 // If -flto, etc. are present then make sure not to force assembly output.
2469 if (JA.getType() == types::TY_LLVM_IR || JA.getType() == types::TY_LTO_IR ||
2470 JA.getType() == types::TY_LLVM_BC || JA.getType() == types::TY_LTO_BC)
2471 CmdArgs.push_back("-c");
2473 if (JA.getType() != types::TY_PP_Asm)
2474 D.Diag(diag::err_drv_invalid_gcc_output_type)
2475 << getTypeName(JA.getType());
2477 CmdArgs.push_back("-S");
2481 void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA,
2482 ArgStringList &CmdArgs) const {
2483 CmdArgs.push_back("-c");
2486 void gcc::Link::RenderExtraToolArgs(const JobAction &JA,
2487 ArgStringList &CmdArgs) const {
2488 // The types are (hopefully) good enough.
2491 const char *darwin::CC1::getCC1Name(types::ID Type) const {
2494 llvm_unreachable("Unexpected type for Darwin CC1 tool.");
2496 case types::TY_C: case types::TY_CHeader:
2497 case types::TY_PP_C: case types::TY_PP_CHeader:
2499 case types::TY_ObjC: case types::TY_ObjCHeader:
2500 case types::TY_PP_ObjC: case types::TY_PP_ObjC_Alias:
2501 case types::TY_PP_ObjCHeader:
2503 case types::TY_CXX: case types::TY_CXXHeader:
2504 case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
2506 case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
2507 case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXX_Alias:
2508 case types::TY_PP_ObjCXXHeader:
2509 return "cc1objplus";
2513 const char *darwin::CC1::getBaseInputName(const ArgList &Args,
2514 const InputInfoList &Inputs) {
2515 return Args.MakeArgString(
2516 llvm::sys::path::filename(Inputs[0].getBaseInput()));
2519 const char *darwin::CC1::getBaseInputStem(const ArgList &Args,
2520 const InputInfoList &Inputs) {
2521 const char *Str = getBaseInputName(Args, Inputs);
2523 if (const char *End = strrchr(Str, '.'))
2524 return Args.MakeArgString(std::string(Str, End));
2530 darwin::CC1::getDependencyFileName(const ArgList &Args,
2531 const InputInfoList &Inputs) {
2532 // FIXME: Think about this more.
2535 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
2536 std::string Str(OutputOpt->getValue(Args));
2537 Res = Str.substr(0, Str.rfind('.'));
2539 Res = darwin::CC1::getBaseInputStem(Args, Inputs);
2541 return Args.MakeArgString(Res + ".d");
2544 void darwin::CC1::RemoveCC1UnsupportedArgs(ArgStringList &CmdArgs) const {
2545 for (ArgStringList::iterator it = CmdArgs.begin(), ie = CmdArgs.end();
2548 StringRef Option = *it;
2549 bool RemoveOption = false;
2552 if (Option.equals("-faltivec")) {
2553 it = CmdArgs.erase(it);
2558 // Handle machine specific options.
2559 if (Option.startswith("-m")) {
2560 RemoveOption = llvm::StringSwitch<bool>(Option)
2561 .Case("-mthumb", true)
2562 .Case("-mno-thumb", true)
2563 .Case("-mno-fused-madd", true)
2564 .Case("-mlong-branch", true)
2565 .Case("-mlongcall", true)
2566 .Case("-mcpu=G4", true)
2567 .Case("-mcpu=G5", true)
2571 // Handle warning options.
2572 if (Option.startswith("-W")) {
2573 // Remove -W/-Wno- to reduce the number of cases.
2574 if (Option.startswith("-Wno-"))
2575 Option = Option.substr(5);
2577 Option = Option.substr(2);
2579 RemoveOption = llvm::StringSwitch<bool>(Option)
2580 .Case("address-of-temporary", true)
2581 .Case("ambiguous-member-template", true)
2582 .Case("analyzer-incompatible-plugin", true)
2583 .Case("array-bounds", true)
2584 .Case("array-bounds-pointer-arithmetic", true)
2585 .Case("bind-to-temporary-copy", true)
2586 .Case("bitwise-op-parentheses", true)
2587 .Case("bool-conversions", true)
2588 .Case("builtin-macro-redefined", true)
2589 .Case("c++-hex-floats", true)
2590 .Case("c++0x-compat", true)
2591 .Case("c++0x-extensions", true)
2592 .Case("c++0x-narrowing", true)
2593 .Case("c++11-compat", true)
2594 .Case("c++11-extensions", true)
2595 .Case("c++11-narrowing", true)
2596 .Case("conditional-uninitialized", true)
2597 .Case("constant-conversion", true)
2598 .Case("CFString-literal", true)
2599 .Case("constant-logical-operand", true)
2600 .Case("custom-atomic-properties", true)
2601 .Case("default-arg-special-member", true)
2602 .Case("delegating-ctor-cycles", true)
2603 .Case("delete-non-virtual-dtor", true)
2604 .Case("deprecated-implementations", true)
2605 .Case("deprecated-writable-strings", true)
2606 .Case("distributed-object-modifiers", true)
2607 .Case("duplicate-method-arg", true)
2608 .Case("dynamic-class-memaccess", true)
2609 .Case("enum-compare", true)
2610 .Case("exit-time-destructors", true)
2612 .Case("gnu-designator", true)
2613 .Case("header-hygiene", true)
2614 .Case("idiomatic-parentheses", true)
2615 .Case("ignored-qualifiers", true)
2616 .Case("implicit-atomic-properties", true)
2617 .Case("incompatible-pointer-types", true)
2618 .Case("incomplete-implementation", true)
2619 .Case("initializer-overrides", true)
2620 .Case("invalid-noreturn", true)
2621 .Case("invalid-token-paste", true)
2622 .Case("language-extension-token", true)
2623 .Case("literal-conversion", true)
2624 .Case("literal-range", true)
2625 .Case("local-type-template-args", true)
2626 .Case("logical-op-parentheses", true)
2627 .Case("method-signatures", true)
2628 .Case("microsoft", true)
2629 .Case("mismatched-tags", true)
2630 .Case("missing-method-return-type", true)
2631 .Case("non-pod-varargs", true)
2632 .Case("nonfragile-abi2", true)
2633 .Case("null-arithmetic", true)
2634 .Case("null-dereference", true)
2635 .Case("out-of-line-declaration", true)
2636 .Case("overriding-method-mismatch", true)
2637 .Case("readonly-setter-attrs", true)
2638 .Case("return-stack-address", true)
2639 .Case("self-assign", true)
2640 .Case("semicolon-before-method-body", true)
2641 .Case("sentinel", true)
2642 .Case("shift-overflow", true)
2643 .Case("shift-sign-overflow", true)
2644 .Case("sign-conversion", true)
2645 .Case("sizeof-array-argument", true)
2646 .Case("sizeof-pointer-memaccess", true)
2647 .Case("string-compare", true)
2648 .Case("super-class-method-mismatch", true)
2649 .Case("tautological-compare", true)
2650 .Case("typedef-redefinition", true)
2651 .Case("typename-missing", true)
2652 .Case("undefined-reinterpret-cast", true)
2653 .Case("unknown-warning-option", true)
2654 .Case("unnamed-type-template-args", true)
2655 .Case("unneeded-internal-declaration", true)
2656 .Case("unneeded-member-function", true)
2657 .Case("unused-comparison", true)
2658 .Case("unused-exception-parameter", true)
2659 .Case("unused-member-function", true)
2660 .Case("unused-result", true)
2661 .Case("vector-conversions", true)
2663 .Case("used-but-marked-unused", true)
2664 .Case("weak-vtables", true)
2666 } // if (Option.startswith("-W"))
2668 it = CmdArgs.erase(it);
2676 void darwin::CC1::AddCC1Args(const ArgList &Args,
2677 ArgStringList &CmdArgs) const {
2678 const Driver &D = getToolChain().getDriver();
2680 CheckCodeGenerationOptions(D, Args);
2682 // Derived from cc1 spec.
2683 if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) &&
2684 !Args.hasArg(options::OPT_mdynamic_no_pic))
2685 CmdArgs.push_back("-fPIC");
2687 if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
2688 getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
2689 if (!Args.hasArg(options::OPT_fbuiltin_strcat))
2690 CmdArgs.push_back("-fno-builtin-strcat");
2691 if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
2692 CmdArgs.push_back("-fno-builtin-strcpy");
2695 if (Args.hasArg(options::OPT_g_Flag) &&
2696 !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols))
2697 CmdArgs.push_back("-feliminate-unused-debug-symbols");
2700 void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
2701 const InputInfoList &Inputs,
2702 const ArgStringList &OutputArgs) const {
2703 const Driver &D = getToolChain().getDriver();
2705 // Derived from cc1_options spec.
2706 if (Args.hasArg(options::OPT_fast) ||
2707 Args.hasArg(options::OPT_fastf) ||
2708 Args.hasArg(options::OPT_fastcp))
2709 CmdArgs.push_back("-O3");
2711 if (Arg *A = Args.getLastArg(options::OPT_pg))
2712 if (Args.hasArg(options::OPT_fomit_frame_pointer))
2713 D.Diag(diag::err_drv_argument_not_allowed_with)
2714 << A->getAsString(Args) << "-fomit-frame-pointer";
2716 AddCC1Args(Args, CmdArgs);
2718 if (!Args.hasArg(options::OPT_Q))
2719 CmdArgs.push_back("-quiet");
2721 CmdArgs.push_back("-dumpbase");
2722 CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
2724 Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
2726 Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
2727 Args.AddAllArgs(CmdArgs, options::OPT_a_Group);
2729 // FIXME: The goal is to use the user provided -o if that is our
2730 // final output, otherwise to drive from the original input
2731 // name. Find a clean way to go about this.
2732 if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) &&
2733 Args.hasArg(options::OPT_o)) {
2734 Arg *OutputOpt = Args.getLastArg(options::OPT_o);
2735 CmdArgs.push_back("-auxbase-strip");
2736 CmdArgs.push_back(OutputOpt->getValue(Args));
2738 CmdArgs.push_back("-auxbase");
2739 CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs));
2742 Args.AddAllArgs(CmdArgs, options::OPT_g_Group);
2744 Args.AddAllArgs(CmdArgs, options::OPT_O);
2745 // FIXME: -Wall is getting some special treatment. Investigate.
2746 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
2747 Args.AddLastArg(CmdArgs, options::OPT_w);
2748 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
2749 options::OPT_trigraphs);
2750 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
2751 // Honor -std-default.
2752 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
2753 "-std=", /*Joined=*/true);
2756 if (Args.hasArg(options::OPT_v))
2757 CmdArgs.push_back("-version");
2758 if (Args.hasArg(options::OPT_pg) &&
2759 getToolChain().SupportsProfiling())
2760 CmdArgs.push_back("-p");
2761 Args.AddLastArg(CmdArgs, options::OPT_p);
2763 // The driver treats -fsyntax-only specially.
2764 if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
2765 getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
2766 // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are
2767 // used to inhibit the default -fno-builtin-str{cat,cpy}.
2769 // FIXME: Should we grow a better way to deal with "removing" args?
2770 for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group,
2771 options::OPT_fsyntax_only),
2772 ie = Args.filtered_end(); it != ie; ++it) {
2773 if (!(*it)->getOption().matches(options::OPT_fbuiltin_strcat) &&
2774 !(*it)->getOption().matches(options::OPT_fbuiltin_strcpy)) {
2776 (*it)->render(Args, CmdArgs);
2780 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
2782 // Claim Clang only -f options, they aren't worth warning about.
2783 Args.ClaimAllArgs(options::OPT_f_clang_Group);
2785 Args.AddAllArgs(CmdArgs, options::OPT_undef);
2786 if (Args.hasArg(options::OPT_Qn))
2787 CmdArgs.push_back("-fno-ident");
2789 // FIXME: This isn't correct.
2790 //Args.AddLastArg(CmdArgs, options::OPT__help)
2791 //Args.AddLastArg(CmdArgs, options::OPT__targetHelp)
2793 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
2795 // FIXME: Still don't get what is happening here. Investigate.
2796 Args.AddAllArgs(CmdArgs, options::OPT__param);
2798 if (Args.hasArg(options::OPT_fmudflap) ||
2799 Args.hasArg(options::OPT_fmudflapth)) {
2800 CmdArgs.push_back("-fno-builtin");
2801 CmdArgs.push_back("-fno-merge-constants");
2804 if (Args.hasArg(options::OPT_coverage)) {
2805 CmdArgs.push_back("-fprofile-arcs");
2806 CmdArgs.push_back("-ftest-coverage");
2809 if (types::isCXX(Inputs[0].getType()))
2810 CmdArgs.push_back("-D__private_extern__=extern");
2813 void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
2814 const InputInfoList &Inputs,
2815 const ArgStringList &OutputArgs) const {
2816 // Derived from cpp_options
2817 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
2819 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
2821 AddCC1Args(Args, CmdArgs);
2823 // NOTE: The code below has some commonality with cpp_options, but
2824 // in classic gcc style ends up sending things in different
2825 // orders. This may be a good merge candidate once we drop pedantic
2828 Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
2829 Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
2830 options::OPT_trigraphs);
2831 if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
2832 // Honor -std-default.
2833 Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
2834 "-std=", /*Joined=*/true);
2836 Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
2837 Args.AddLastArg(CmdArgs, options::OPT_w);
2839 // The driver treats -fsyntax-only specially.
2840 Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
2842 // Claim Clang only -f options, they aren't worth warning about.
2843 Args.ClaimAllArgs(options::OPT_f_clang_Group);
2845 if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) &&
2846 !Args.hasArg(options::OPT_fno_working_directory))
2847 CmdArgs.push_back("-fworking-directory");
2849 Args.AddAllArgs(CmdArgs, options::OPT_O);
2850 Args.AddAllArgs(CmdArgs, options::OPT_undef);
2851 if (Args.hasArg(options::OPT_save_temps))
2852 CmdArgs.push_back("-fpch-preprocess");
2855 void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args,
2856 ArgStringList &CmdArgs,
2857 const InputInfoList &Inputs) const {
2858 const Driver &D = getToolChain().getDriver();
2860 CheckPreprocessingOptions(D, Args);
2862 // Derived from cpp_unique_options.
2863 // -{C,CC} only with -E is checked in CheckPreprocessingOptions().
2864 Args.AddLastArg(CmdArgs, options::OPT_C);
2865 Args.AddLastArg(CmdArgs, options::OPT_CC);
2866 if (!Args.hasArg(options::OPT_Q))
2867 CmdArgs.push_back("-quiet");
2868 Args.AddAllArgs(CmdArgs, options::OPT_nostdinc);
2869 Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx);
2870 Args.AddLastArg(CmdArgs, options::OPT_v);
2871 Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F);
2872 Args.AddLastArg(CmdArgs, options::OPT_P);
2874 // FIXME: Handle %I properly.
2875 if (getToolChain().getArchName() == "x86_64") {
2876 CmdArgs.push_back("-imultilib");
2877 CmdArgs.push_back("x86_64");
2880 if (Args.hasArg(options::OPT_MD)) {
2881 CmdArgs.push_back("-MD");
2882 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
2885 if (Args.hasArg(options::OPT_MMD)) {
2886 CmdArgs.push_back("-MMD");
2887 CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
2890 Args.AddLastArg(CmdArgs, options::OPT_M);
2891 Args.AddLastArg(CmdArgs, options::OPT_MM);
2892 Args.AddAllArgs(CmdArgs, options::OPT_MF);
2893 Args.AddLastArg(CmdArgs, options::OPT_MG);
2894 Args.AddLastArg(CmdArgs, options::OPT_MP);
2895 Args.AddAllArgs(CmdArgs, options::OPT_MQ);
2896 Args.AddAllArgs(CmdArgs, options::OPT_MT);
2897 if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) &&
2898 (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) {
2899 if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
2900 CmdArgs.push_back("-MQ");
2901 CmdArgs.push_back(OutputOpt->getValue(Args));
2905 Args.AddLastArg(CmdArgs, options::OPT_remap);
2906 if (Args.hasArg(options::OPT_g3))
2907 CmdArgs.push_back("-dD");
2908 Args.AddLastArg(CmdArgs, options::OPT_H);
2910 AddCPPArgs(Args, CmdArgs);
2912 Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A);
2913 Args.AddAllArgs(CmdArgs, options::OPT_i_Group);
2915 for (InputInfoList::const_iterator
2916 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
2917 const InputInfo &II = *it;
2919 CmdArgs.push_back(II.getFilename());
2922 Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
2923 options::OPT_Xpreprocessor);
2925 if (Args.hasArg(options::OPT_fmudflap)) {
2926 CmdArgs.push_back("-D_MUDFLAP");
2927 CmdArgs.push_back("-include");
2928 CmdArgs.push_back("mf-runtime.h");
2931 if (Args.hasArg(options::OPT_fmudflapth)) {
2932 CmdArgs.push_back("-D_MUDFLAP");
2933 CmdArgs.push_back("-D_MUDFLAPTH");
2934 CmdArgs.push_back("-include");
2935 CmdArgs.push_back("mf-runtime.h");
2939 void darwin::CC1::AddCPPArgs(const ArgList &Args,
2940 ArgStringList &CmdArgs) const {
2941 // Derived from cpp spec.
2943 if (Args.hasArg(options::OPT_static)) {
2944 // The gcc spec is broken here, it refers to dynamic but
2945 // that has been translated. Start by being bug compatible.
2947 // if (!Args.hasArg(arglist.parser.dynamicOption))
2948 CmdArgs.push_back("-D__STATIC__");
2950 CmdArgs.push_back("-D__DYNAMIC__");
2952 if (Args.hasArg(options::OPT_pthread))
2953 CmdArgs.push_back("-D_REENTRANT");
2956 void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA,
2957 const InputInfo &Output,
2958 const InputInfoList &Inputs,
2959 const ArgList &Args,
2960 const char *LinkingOutput) const {
2961 ArgStringList CmdArgs;
2963 assert(Inputs.size() == 1 && "Unexpected number of inputs!");
2965 CmdArgs.push_back("-E");
2967 if (Args.hasArg(options::OPT_traditional) ||
2968 Args.hasArg(options::OPT_traditional_cpp))
2969 CmdArgs.push_back("-traditional-cpp");
2971 ArgStringList OutputArgs;
2972 assert(Output.isFilename() && "Unexpected CC1 output.");
2973 OutputArgs.push_back("-o");
2974 OutputArgs.push_back(Output.getFilename());
2976 if (Args.hasArg(options::OPT_E) || getToolChain().getDriver().CCCIsCPP) {
2977 AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
2979 AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
2980 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
2983 Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
2985 RemoveCC1UnsupportedArgs(CmdArgs);
2987 const char *CC1Name = getCC1Name(Inputs[0].getType());
2989 Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
2990 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
2993 void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA,
2994 const InputInfo &Output,
2995 const InputInfoList &Inputs,
2996 const ArgList &Args,
2997 const char *LinkingOutput) const {
2998 const Driver &D = getToolChain().getDriver();
2999 ArgStringList CmdArgs;
3001 assert(Inputs.size() == 1 && "Unexpected number of inputs!");
3003 types::ID InputType = Inputs[0].getType();
3005 if ((A = Args.getLastArg(options::OPT_traditional)))
3006 D.Diag(diag::err_drv_argument_only_allowed_with)
3007 << A->getAsString(Args) << "-E";
3009 if (JA.getType() == types::TY_LLVM_IR ||
3010 JA.getType() == types::TY_LTO_IR)
3011 CmdArgs.push_back("-emit-llvm");
3012 else if (JA.getType() == types::TY_LLVM_BC ||
3013 JA.getType() == types::TY_LTO_BC)
3014 CmdArgs.push_back("-emit-llvm-bc");
3015 else if (Output.getType() == types::TY_AST)
3016 D.Diag(diag::err_drv_no_ast_support)
3017 << getToolChain().getTripleString();
3018 else if (JA.getType() != types::TY_PP_Asm &&
3019 JA.getType() != types::TY_PCH)
3020 D.Diag(diag::err_drv_invalid_gcc_output_type)
3021 << getTypeName(JA.getType());
3023 ArgStringList OutputArgs;
3024 if (Output.getType() != types::TY_PCH) {
3025 OutputArgs.push_back("-o");
3026 if (Output.isNothing())
3027 OutputArgs.push_back("/dev/null");
3029 OutputArgs.push_back(Output.getFilename());
3032 // There is no need for this level of compatibility, but it makes
3034 bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) ||
3035 Args.hasArg(options::OPT_S));
3037 if (types::getPreprocessedType(InputType) != types::TY_INVALID) {
3038 AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
3039 if (OutputArgsEarly) {
3040 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
3042 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
3043 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3046 CmdArgs.push_back("-fpreprocessed");
3048 for (InputInfoList::const_iterator
3049 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3050 const InputInfo &II = *it;
3052 // Reject AST inputs.
3053 if (II.getType() == types::TY_AST) {
3054 D.Diag(diag::err_drv_no_ast_support)
3055 << getToolChain().getTripleString();
3059 CmdArgs.push_back(II.getFilename());
3062 if (OutputArgsEarly) {
3063 AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
3065 AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
3066 CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
3070 if (Output.getType() == types::TY_PCH) {
3071 assert(Output.isFilename() && "Invalid PCH output.");
3073 CmdArgs.push_back("-o");
3074 // NOTE: gcc uses a temp .s file for this, but there doesn't seem
3075 // to be a good reason.
3076 const char *TmpPath = C.getArgs().MakeArgString(
3077 D.GetTemporaryPath("cc", "s"));
3078 C.addTempFile(TmpPath);
3079 CmdArgs.push_back(TmpPath);
3081 // If we're emitting a pch file with the last 4 characters of ".pth"
3082 // and falling back to llvm-gcc we want to use ".gch" instead.
3083 std::string OutputFile(Output.getFilename());
3084 size_t loc = OutputFile.rfind(".pth");
3085 if (loc != std::string::npos)
3086 OutputFile.replace(loc, 4, ".gch");
3087 const char *Tmp = C.getArgs().MakeArgString("--output-pch="+OutputFile);
3088 CmdArgs.push_back(Tmp);
3091 RemoveCC1UnsupportedArgs(CmdArgs);
3093 const char *CC1Name = getCC1Name(Inputs[0].getType());
3095 Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
3096 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3099 void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
3100 const InputInfo &Output,
3101 const InputInfoList &Inputs,
3102 const ArgList &Args,
3103 const char *LinkingOutput) const {
3104 ArgStringList CmdArgs;
3106 assert(Inputs.size() == 1 && "Unexpected number of inputs.");
3107 const InputInfo &Input = Inputs[0];
3109 // Determine the original source input.
3110 const Action *SourceAction = &JA;
3111 while (SourceAction->getKind() != Action::InputClass) {
3112 assert(!SourceAction->getInputs().empty() && "unexpected root action!");
3113 SourceAction = SourceAction->getInputs()[0];
3116 // Forward -g, assuming we are dealing with an actual assembly file.
3117 if (SourceAction->getType() == types::TY_Asm ||
3118 SourceAction->getType() == types::TY_PP_Asm) {
3119 if (Args.hasArg(options::OPT_gstabs))
3120 CmdArgs.push_back("--gstabs");
3121 else if (Args.hasArg(options::OPT_g_Group))
3122 CmdArgs.push_back("--gdwarf2");
3125 // Derived from asm spec.
3126 AddDarwinArch(Args, CmdArgs);
3128 // Use -force_cpusubtype_ALL on x86 by default.
3129 if (getToolChain().getTriple().getArch() == llvm::Triple::x86 ||
3130 getToolChain().getTriple().getArch() == llvm::Triple::x86_64 ||
3131 Args.hasArg(options::OPT_force__cpusubtype__ALL))
3132 CmdArgs.push_back("-force_cpusubtype_ALL");
3134 if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 &&
3135 (Args.hasArg(options::OPT_mkernel) ||
3136 Args.hasArg(options::OPT_static) ||
3137 Args.hasArg(options::OPT_fapple_kext)))
3138 CmdArgs.push_back("-static");
3140 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
3141 options::OPT_Xassembler);
3143 assert(Output.isFilename() && "Unexpected lipo output.");
3144 CmdArgs.push_back("-o");
3145 CmdArgs.push_back(Output.getFilename());
3147 assert(Input.isFilename() && "Invalid input.");
3148 CmdArgs.push_back(Input.getFilename());
3150 // asm_final spec is empty.
3153 Args.MakeArgString(getToolChain().GetProgramPath("as"));
3154 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3157 void darwin::DarwinTool::AddDarwinArch(const ArgList &Args,
3158 ArgStringList &CmdArgs) const {
3159 StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args);
3161 // Derived from darwin_arch spec.
3162 CmdArgs.push_back("-arch");
3163 CmdArgs.push_back(Args.MakeArgString(ArchName));
3165 // FIXME: Is this needed anymore?
3166 if (ArchName == "arm")
3167 CmdArgs.push_back("-force_cpusubtype_ALL");
3170 void darwin::Link::AddLinkArgs(Compilation &C,
3171 const ArgList &Args,
3172 ArgStringList &CmdArgs) const {
3173 const Driver &D = getToolChain().getDriver();
3174 const toolchains::Darwin &DarwinTC = getDarwinToolChain();
3176 unsigned Version[3] = { 0, 0, 0 };
3177 if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
3179 if (!Driver::GetReleaseVersion(A->getValue(Args), Version[0],
3180 Version[1], Version[2], HadExtra) ||
3182 D.Diag(diag::err_drv_invalid_version_number)
3183 << A->getAsString(Args);
3186 // Newer linkers support -demangle, pass it if supported and not disabled by
3189 // FIXME: We temporarily avoid passing -demangle to any iOS linker, because
3190 // unfortunately we can't be guaranteed that the linker version used there
3191 // will match the linker version detected at configure time. We need the
3192 // universal driver.
3193 if (Version[0] >= 100 && !Args.hasArg(options::OPT_Z_Xlinker__no_demangle) &&
3194 !DarwinTC.isTargetIPhoneOS()) {
3195 // Don't pass -demangle to ld_classic.
3197 // FIXME: This is a temporary workaround, ld should be handling this.
3198 bool UsesLdClassic = (getToolChain().getArch() == llvm::Triple::x86 &&
3199 Args.hasArg(options::OPT_static));
3200 if (getToolChain().getArch() == llvm::Triple::x86) {
3201 for (arg_iterator it = Args.filtered_begin(options::OPT_Xlinker,
3202 options::OPT_Wl_COMMA),
3203 ie = Args.filtered_end(); it != ie; ++it) {
3205 for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
3206 if (StringRef(A->getValue(Args, i)) == "-kext")
3207 UsesLdClassic = true;
3211 CmdArgs.push_back("-demangle");
3214 // If we are using LTO, then automatically create a temporary file path for
3215 // the linker to use, so that it's lifetime will extend past a possible
3217 if (Version[0] >= 116 && D.IsUsingLTO(Args)) {
3218 const char *TmpPath = C.getArgs().MakeArgString(
3219 D.GetTemporaryPath("cc", types::getTypeTempSuffix(types::TY_Object)));
3220 C.addTempFile(TmpPath);
3221 CmdArgs.push_back("-object_path_lto");
3222 CmdArgs.push_back(TmpPath);
3225 // Derived from the "link" spec.
3226 Args.AddAllArgs(CmdArgs, options::OPT_static);
3227 if (!Args.hasArg(options::OPT_static))
3228 CmdArgs.push_back("-dynamic");
3229 if (Args.hasArg(options::OPT_fgnu_runtime)) {
3230 // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu
3231 // here. How do we wish to handle such things?
3234 if (!Args.hasArg(options::OPT_dynamiclib)) {
3235 AddDarwinArch(Args, CmdArgs);
3236 // FIXME: Why do this only on this path?
3237 Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL);
3239 Args.AddLastArg(CmdArgs, options::OPT_bundle);
3240 Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader);
3241 Args.AddAllArgs(CmdArgs, options::OPT_client__name);
3244 if ((A = Args.getLastArg(options::OPT_compatibility__version)) ||
3245 (A = Args.getLastArg(options::OPT_current__version)) ||
3246 (A = Args.getLastArg(options::OPT_install__name)))
3247 D.Diag(diag::err_drv_argument_only_allowed_with)
3248 << A->getAsString(Args) << "-dynamiclib";
3250 Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace);
3251 Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs);
3252 Args.AddLastArg(CmdArgs, options::OPT_private__bundle);
3254 CmdArgs.push_back("-dylib");
3257 if ((A = Args.getLastArg(options::OPT_bundle)) ||
3258 (A = Args.getLastArg(options::OPT_bundle__loader)) ||
3259 (A = Args.getLastArg(options::OPT_client__name)) ||
3260 (A = Args.getLastArg(options::OPT_force__flat__namespace)) ||
3261 (A = Args.getLastArg(options::OPT_keep__private__externs)) ||
3262 (A = Args.getLastArg(options::OPT_private__bundle)))
3263 D.Diag(diag::err_drv_argument_not_allowed_with)
3264 << A->getAsString(Args) << "-dynamiclib";
3266 Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version,
3267 "-dylib_compatibility_version");
3268 Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version,
3269 "-dylib_current_version");
3271 AddDarwinArch(Args, CmdArgs);
3273 Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name,
3274 "-dylib_install_name");
3277 Args.AddLastArg(CmdArgs, options::OPT_all__load);
3278 Args.AddAllArgs(CmdArgs, options::OPT_allowable__client);
3279 Args.AddLastArg(CmdArgs, options::OPT_bind__at__load);
3280 if (DarwinTC.isTargetIPhoneOS())
3281 Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal);
3282 Args.AddLastArg(CmdArgs, options::OPT_dead__strip);
3283 Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms);
3284 Args.AddAllArgs(CmdArgs, options::OPT_dylib__file);
3285 Args.AddLastArg(CmdArgs, options::OPT_dynamic);
3286 Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list);
3287 Args.AddLastArg(CmdArgs, options::OPT_flat__namespace);
3288 Args.AddAllArgs(CmdArgs, options::OPT_force__load);
3289 Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names);
3290 Args.AddAllArgs(CmdArgs, options::OPT_image__base);
3291 Args.AddAllArgs(CmdArgs, options::OPT_init);
3293 // Add the deployment target.
3294 unsigned TargetVersion[3];
3295 DarwinTC.getTargetVersion(TargetVersion);
3297 // If we had an explicit -mios-simulator-version-min argument, honor that,
3298 // otherwise use the traditional deployment targets. We can't just check the
3299 // is-sim attribute because existing code follows this path, and the linker
3300 // may not handle the argument.
3302 // FIXME: We may be able to remove this, once we can verify no one depends on
3304 if (Args.hasArg(options::OPT_mios_simulator_version_min_EQ))
3305 CmdArgs.push_back("-ios_simulator_version_min");
3306 else if (DarwinTC.isTargetIPhoneOS())
3307 CmdArgs.push_back("-iphoneos_version_min");
3309 CmdArgs.push_back("-macosx_version_min");
3310 CmdArgs.push_back(Args.MakeArgString(Twine(TargetVersion[0]) + "." +
3311 Twine(TargetVersion[1]) + "." +
3312 Twine(TargetVersion[2])));
3314 Args.AddLastArg(CmdArgs, options::OPT_nomultidefs);
3315 Args.AddLastArg(CmdArgs, options::OPT_multi__module);
3316 Args.AddLastArg(CmdArgs, options::OPT_single__module);
3317 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
3318 Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
3320 if (const Arg *A = Args.getLastArg(options::OPT_fpie, options::OPT_fPIE,
3321 options::OPT_fno_pie,
3322 options::OPT_fno_PIE)) {
3323 if (A->getOption().matches(options::OPT_fpie) ||
3324 A->getOption().matches(options::OPT_fPIE))
3325 CmdArgs.push_back("-pie");
3327 CmdArgs.push_back("-no_pie");
3330 Args.AddLastArg(CmdArgs, options::OPT_prebind);
3331 Args.AddLastArg(CmdArgs, options::OPT_noprebind);
3332 Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding);
3333 Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules);
3334 Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs);
3335 Args.AddAllArgs(CmdArgs, options::OPT_sectcreate);
3336 Args.AddAllArgs(CmdArgs, options::OPT_sectorder);
3337 Args.AddAllArgs(CmdArgs, options::OPT_seg1addr);
3338 Args.AddAllArgs(CmdArgs, options::OPT_segprot);
3339 Args.AddAllArgs(CmdArgs, options::OPT_segaddr);
3340 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr);
3341 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr);
3342 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table);
3343 Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename);
3344 Args.AddAllArgs(CmdArgs, options::OPT_sub__library);
3345 Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella);
3347 // Give --sysroot= preference, over the Apple specific behavior to also use
3348 // --isysroot as the syslibroot.
3349 if (const Arg *A = Args.getLastArg(options::OPT__sysroot_EQ)) {
3350 CmdArgs.push_back("-syslibroot");
3351 CmdArgs.push_back(A->getValue(Args));
3352 } else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
3353 CmdArgs.push_back("-syslibroot");
3354 CmdArgs.push_back(A->getValue(Args));
3355 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
3356 CmdArgs.push_back("-syslibroot");
3357 CmdArgs.push_back("/Developer/SDKs/Extra");
3360 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace);
3361 Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints);
3362 Args.AddAllArgs(CmdArgs, options::OPT_umbrella);
3363 Args.AddAllArgs(CmdArgs, options::OPT_undefined);
3364 Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list);
3365 Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches);
3366 Args.AddLastArg(CmdArgs, options::OPT_X_Flag);
3367 Args.AddAllArgs(CmdArgs, options::OPT_y);
3368 Args.AddLastArg(CmdArgs, options::OPT_w);
3369 Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size);
3370 Args.AddAllArgs(CmdArgs, options::OPT_segs__read__);
3371 Args.AddLastArg(CmdArgs, options::OPT_seglinkedit);
3372 Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit);
3373 Args.AddAllArgs(CmdArgs, options::OPT_sectalign);
3374 Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols);
3375 Args.AddAllArgs(CmdArgs, options::OPT_segcreate);
3376 Args.AddLastArg(CmdArgs, options::OPT_whyload);
3377 Args.AddLastArg(CmdArgs, options::OPT_whatsloaded);
3378 Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name);
3379 Args.AddLastArg(CmdArgs, options::OPT_dylinker);
3380 Args.AddLastArg(CmdArgs, options::OPT_Mach);
3383 void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
3384 const InputInfo &Output,
3385 const InputInfoList &Inputs,
3386 const ArgList &Args,
3387 const char *LinkingOutput) const {
3388 assert(Output.getType() == types::TY_Image && "Invalid linker output type.");
3390 // The logic here is derived from gcc's behavior; most of which
3391 // comes from specs (starting with link_command). Consult gcc for
3392 // more information.
3393 ArgStringList CmdArgs;
3395 /// Hack(tm) to ignore linking errors when we are doing ARC migration.
3396 if (Args.hasArg(options::OPT_ccc_arcmt_check,
3397 options::OPT_ccc_arcmt_migrate)) {
3398 for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I)
3401 Args.MakeArgString(getToolChain().GetProgramPath("touch"));
3402 CmdArgs.push_back(Output.getFilename());
3403 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3407 // I'm not sure why this particular decomposition exists in gcc, but
3408 // we follow suite for ease of comparison.
3409 AddLinkArgs(C, Args, CmdArgs);
3411 Args.AddAllArgs(CmdArgs, options::OPT_d_Flag);
3412 Args.AddAllArgs(CmdArgs, options::OPT_s);
3413 Args.AddAllArgs(CmdArgs, options::OPT_t);
3414 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
3415 Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
3416 Args.AddAllArgs(CmdArgs, options::OPT_A);
3417 Args.AddLastArg(CmdArgs, options::OPT_e);
3418 Args.AddAllArgs(CmdArgs, options::OPT_m_Separate);
3419 Args.AddAllArgs(CmdArgs, options::OPT_r);
3421 // Forward -ObjC when either -ObjC or -ObjC++ is used, to force loading
3422 // members of static archive libraries which implement Objective-C classes or
3424 if (Args.hasArg(options::OPT_ObjC) || Args.hasArg(options::OPT_ObjCXX))
3425 CmdArgs.push_back("-ObjC");
3427 CmdArgs.push_back("-o");
3428 CmdArgs.push_back(Output.getFilename());
3430 if (!Args.hasArg(options::OPT_A) &&
3431 !Args.hasArg(options::OPT_nostdlib) &&
3432 !Args.hasArg(options::OPT_nostartfiles)) {
3433 // Derived from startfile spec.
3434 if (Args.hasArg(options::OPT_dynamiclib)) {
3435 // Derived from darwin_dylib1 spec.
3436 if (getDarwinToolChain().isTargetIOSSimulator()) {
3437 // The simulator doesn't have a versioned crt1 file.
3438 CmdArgs.push_back("-ldylib1.o");
3439 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
3440 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
3441 CmdArgs.push_back("-ldylib1.o");
3443 if (getDarwinToolChain().isMacosxVersionLT(10, 5))
3444 CmdArgs.push_back("-ldylib1.o");
3445 else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
3446 CmdArgs.push_back("-ldylib1.10.5.o");
3449 if (Args.hasArg(options::OPT_bundle)) {
3450 if (!Args.hasArg(options::OPT_static)) {
3451 // Derived from darwin_bundle1 spec.
3452 if (getDarwinToolChain().isTargetIOSSimulator()) {
3453 // The simulator doesn't have a versioned crt1 file.
3454 CmdArgs.push_back("-lbundle1.o");
3455 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
3456 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
3457 CmdArgs.push_back("-lbundle1.o");
3459 if (getDarwinToolChain().isMacosxVersionLT(10, 6))
3460 CmdArgs.push_back("-lbundle1.o");
3464 if (Args.hasArg(options::OPT_pg) &&
3465 getToolChain().SupportsProfiling()) {
3466 if (Args.hasArg(options::OPT_static) ||
3467 Args.hasArg(options::OPT_object) ||
3468 Args.hasArg(options::OPT_preload)) {
3469 CmdArgs.push_back("-lgcrt0.o");
3471 CmdArgs.push_back("-lgcrt1.o");
3473 // darwin_crt2 spec is empty.
3476 if (Args.hasArg(options::OPT_static) ||
3477 Args.hasArg(options::OPT_object) ||
3478 Args.hasArg(options::OPT_preload)) {
3479 CmdArgs.push_back("-lcrt0.o");
3481 // Derived from darwin_crt1 spec.
3482 if (getDarwinToolChain().isTargetIOSSimulator()) {
3483 // The simulator doesn't have a versioned crt1 file.
3484 CmdArgs.push_back("-lcrt1.o");
3485 } else if (getDarwinToolChain().isTargetIPhoneOS()) {
3486 if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
3487 CmdArgs.push_back("-lcrt1.o");
3489 CmdArgs.push_back("-lcrt1.3.1.o");
3491 if (getDarwinToolChain().isMacosxVersionLT(10, 5))
3492 CmdArgs.push_back("-lcrt1.o");
3493 else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
3494 CmdArgs.push_back("-lcrt1.10.5.o");
3496 CmdArgs.push_back("-lcrt1.10.6.o");
3498 // darwin_crt2 spec is empty.
3505 if (!getDarwinToolChain().isTargetIPhoneOS() &&
3506 Args.hasArg(options::OPT_shared_libgcc) &&
3507 getDarwinToolChain().isMacosxVersionLT(10, 5)) {
3509 Args.MakeArgString(getToolChain().GetFilePath("crt3.o"));
3510 CmdArgs.push_back(Str);
3514 Args.AddAllArgs(CmdArgs, options::OPT_L);
3516 if (Args.hasArg(options::OPT_fopenmp))
3517 // This is more complicated in gcc...
3518 CmdArgs.push_back("-lgomp");
3520 getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs);
3522 // In ARC, if we don't have runtime support, link in the runtime
3523 // stubs. We have to do this *before* adding any of the normal
3524 // linker inputs so that its initializer gets run first.
3525 if (isObjCAutoRefCount(Args)) {
3526 ObjCRuntime runtime;
3527 getDarwinToolChain().configureObjCRuntime(runtime);
3528 if (!runtime.HasARC)
3529 getDarwinToolChain().AddLinkARCArgs(Args, CmdArgs);
3532 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
3534 if (LinkingOutput) {
3535 CmdArgs.push_back("-arch_multiple");
3536 CmdArgs.push_back("-final_output");
3537 CmdArgs.push_back(LinkingOutput);
3540 if (Args.hasArg(options::OPT_fnested_functions))
3541 CmdArgs.push_back("-allow_stack_execute");
3543 if (!Args.hasArg(options::OPT_nostdlib) &&
3544 !Args.hasArg(options::OPT_nodefaultlibs)) {
3545 if (getToolChain().getDriver().CCCIsCXX)
3546 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
3548 // link_ssp spec is empty.
3550 // Let the tool chain choose which runtime library to link.
3551 getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs);
3554 if (!Args.hasArg(options::OPT_A) &&
3555 !Args.hasArg(options::OPT_nostdlib) &&
3556 !Args.hasArg(options::OPT_nostartfiles)) {
3557 // endfile_spec is empty.
3560 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
3562 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
3563 Args.AddAllArgs(CmdArgs, options::OPT_F);
3566 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
3567 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3570 void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
3571 const InputInfo &Output,
3572 const InputInfoList &Inputs,
3573 const ArgList &Args,
3574 const char *LinkingOutput) const {
3575 ArgStringList CmdArgs;
3577 CmdArgs.push_back("-create");
3578 assert(Output.isFilename() && "Unexpected lipo output.");
3580 CmdArgs.push_back("-output");
3581 CmdArgs.push_back(Output.getFilename());
3583 for (InputInfoList::const_iterator
3584 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3585 const InputInfo &II = *it;
3586 assert(II.isFilename() && "Unexpected lipo input.");
3587 CmdArgs.push_back(II.getFilename());
3590 Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
3591 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3594 void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA,
3595 const InputInfo &Output,
3596 const InputInfoList &Inputs,
3597 const ArgList &Args,
3598 const char *LinkingOutput) const {
3599 ArgStringList CmdArgs;
3601 CmdArgs.push_back("-o");
3602 CmdArgs.push_back(Output.getFilename());
3604 assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
3605 const InputInfo &Input = Inputs[0];
3606 assert(Input.isFilename() && "Unexpected dsymutil input.");
3607 CmdArgs.push_back(Input.getFilename());
3610 Args.MakeArgString(getToolChain().GetProgramPath("dsymutil"));
3611 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3614 void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA,
3615 const InputInfo &Output,
3616 const InputInfoList &Inputs,
3617 const ArgList &Args,
3618 const char *LinkingOutput) const {
3619 ArgStringList CmdArgs;
3620 CmdArgs.push_back("--verify");
3622 assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
3623 const InputInfo &Input = Inputs[0];
3624 assert(Input.isFilename() && "Unexpected verify input");
3626 // Grabbing the output of the earlier dsymutil run.
3627 CmdArgs.push_back(Input.getFilename());
3630 Args.MakeArgString(getToolChain().GetProgramPath("dwarfdump"));
3631 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3634 void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
3635 const InputInfo &Output,
3636 const InputInfoList &Inputs,
3637 const ArgList &Args,
3638 const char *LinkingOutput) const {
3639 ArgStringList CmdArgs;
3641 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
3642 options::OPT_Xassembler);
3644 CmdArgs.push_back("-o");
3645 CmdArgs.push_back(Output.getFilename());
3647 for (InputInfoList::const_iterator
3648 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3649 const InputInfo &II = *it;
3650 CmdArgs.push_back(II.getFilename());
3654 Args.MakeArgString(getToolChain().GetProgramPath("gas"));
3655 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3658 void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
3659 const InputInfo &Output,
3660 const InputInfoList &Inputs,
3661 const ArgList &Args,
3662 const char *LinkingOutput) const {
3663 ArgStringList CmdArgs;
3665 if ((!Args.hasArg(options::OPT_nostdlib)) &&
3666 (!Args.hasArg(options::OPT_shared))) {
3667 CmdArgs.push_back("-e");
3668 CmdArgs.push_back("_start");
3671 if (Args.hasArg(options::OPT_static)) {
3672 CmdArgs.push_back("-Bstatic");
3673 CmdArgs.push_back("-dn");
3675 // CmdArgs.push_back("--eh-frame-hdr");
3676 CmdArgs.push_back("-Bdynamic");
3677 if (Args.hasArg(options::OPT_shared)) {
3678 CmdArgs.push_back("-shared");
3680 CmdArgs.push_back("--dynamic-linker");
3681 CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1
3685 if (Output.isFilename()) {
3686 CmdArgs.push_back("-o");
3687 CmdArgs.push_back(Output.getFilename());
3689 assert(Output.isNothing() && "Invalid output.");
3692 if (!Args.hasArg(options::OPT_nostdlib) &&
3693 !Args.hasArg(options::OPT_nostartfiles)) {
3694 if (!Args.hasArg(options::OPT_shared)) {
3695 CmdArgs.push_back(Args.MakeArgString(
3696 getToolChain().GetFilePath("crt1.o")));
3697 CmdArgs.push_back(Args.MakeArgString(
3698 getToolChain().GetFilePath("crti.o")));
3699 CmdArgs.push_back(Args.MakeArgString(
3700 getToolChain().GetFilePath("crtbegin.o")));
3702 CmdArgs.push_back(Args.MakeArgString(
3703 getToolChain().GetFilePath("crti.o")));
3705 CmdArgs.push_back(Args.MakeArgString(
3706 getToolChain().GetFilePath("crtn.o")));
3709 CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/"
3710 + getToolChain().getTripleString()
3713 Args.AddAllArgs(CmdArgs, options::OPT_L);
3714 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
3715 Args.AddAllArgs(CmdArgs, options::OPT_e);
3717 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
3719 if (!Args.hasArg(options::OPT_nostdlib) &&
3720 !Args.hasArg(options::OPT_nodefaultlibs)) {
3721 // FIXME: For some reason GCC passes -lgcc before adding
3722 // the default system libraries. Just mimic this for now.
3723 CmdArgs.push_back("-lgcc");
3725 if (Args.hasArg(options::OPT_pthread))
3726 CmdArgs.push_back("-pthread");
3727 if (!Args.hasArg(options::OPT_shared))
3728 CmdArgs.push_back("-lc");
3729 CmdArgs.push_back("-lgcc");
3732 if (!Args.hasArg(options::OPT_nostdlib) &&
3733 !Args.hasArg(options::OPT_nostartfiles)) {
3734 if (!Args.hasArg(options::OPT_shared))
3735 CmdArgs.push_back(Args.MakeArgString(
3736 getToolChain().GetFilePath("crtend.o")));
3739 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
3742 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
3743 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3746 void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
3747 const InputInfo &Output,
3748 const InputInfoList &Inputs,
3749 const ArgList &Args,
3750 const char *LinkingOutput) const {
3751 ArgStringList CmdArgs;
3753 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
3754 options::OPT_Xassembler);
3756 CmdArgs.push_back("-o");
3757 CmdArgs.push_back(Output.getFilename());
3759 for (InputInfoList::const_iterator
3760 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3761 const InputInfo &II = *it;
3762 CmdArgs.push_back(II.getFilename());
3766 Args.MakeArgString(getToolChain().GetProgramPath("as"));
3767 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3770 void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
3771 const InputInfo &Output,
3772 const InputInfoList &Inputs,
3773 const ArgList &Args,
3774 const char *LinkingOutput) const {
3775 const Driver &D = getToolChain().getDriver();
3776 ArgStringList CmdArgs;
3778 if ((!Args.hasArg(options::OPT_nostdlib)) &&
3779 (!Args.hasArg(options::OPT_shared))) {
3780 CmdArgs.push_back("-e");
3781 CmdArgs.push_back("__start");
3784 if (Args.hasArg(options::OPT_static)) {
3785 CmdArgs.push_back("-Bstatic");
3787 if (Args.hasArg(options::OPT_rdynamic))
3788 CmdArgs.push_back("-export-dynamic");
3789 CmdArgs.push_back("--eh-frame-hdr");
3790 CmdArgs.push_back("-Bdynamic");
3791 if (Args.hasArg(options::OPT_shared)) {
3792 CmdArgs.push_back("-shared");
3794 CmdArgs.push_back("-dynamic-linker");
3795 CmdArgs.push_back("/usr/libexec/ld.so");
3799 if (Output.isFilename()) {
3800 CmdArgs.push_back("-o");
3801 CmdArgs.push_back(Output.getFilename());
3803 assert(Output.isNothing() && "Invalid output.");
3806 if (!Args.hasArg(options::OPT_nostdlib) &&
3807 !Args.hasArg(options::OPT_nostartfiles)) {
3808 if (!Args.hasArg(options::OPT_shared)) {
3809 CmdArgs.push_back(Args.MakeArgString(
3810 getToolChain().GetFilePath("crt0.o")));
3811 CmdArgs.push_back(Args.MakeArgString(
3812 getToolChain().GetFilePath("crtbegin.o")));
3814 CmdArgs.push_back(Args.MakeArgString(
3815 getToolChain().GetFilePath("crtbeginS.o")));
3819 std::string Triple = getToolChain().getTripleString();
3820 if (Triple.substr(0, 6) == "x86_64")
3821 Triple.replace(0, 6, "amd64");
3822 CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple +
3825 Args.AddAllArgs(CmdArgs, options::OPT_L);
3826 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
3827 Args.AddAllArgs(CmdArgs, options::OPT_e);
3829 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
3831 if (!Args.hasArg(options::OPT_nostdlib) &&
3832 !Args.hasArg(options::OPT_nodefaultlibs)) {
3834 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
3835 CmdArgs.push_back("-lm");
3838 // FIXME: For some reason GCC passes -lgcc before adding
3839 // the default system libraries. Just mimic this for now.
3840 CmdArgs.push_back("-lgcc");
3842 if (Args.hasArg(options::OPT_pthread))
3843 CmdArgs.push_back("-lpthread");
3844 if (!Args.hasArg(options::OPT_shared))
3845 CmdArgs.push_back("-lc");
3846 CmdArgs.push_back("-lgcc");
3849 if (!Args.hasArg(options::OPT_nostdlib) &&
3850 !Args.hasArg(options::OPT_nostartfiles)) {
3851 if (!Args.hasArg(options::OPT_shared))
3852 CmdArgs.push_back(Args.MakeArgString(
3853 getToolChain().GetFilePath("crtend.o")));
3855 CmdArgs.push_back(Args.MakeArgString(
3856 getToolChain().GetFilePath("crtendS.o")));
3860 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
3861 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3864 void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
3865 const InputInfo &Output,
3866 const InputInfoList &Inputs,
3867 const ArgList &Args,
3868 const char *LinkingOutput) const {
3869 ArgStringList CmdArgs;
3871 // When building 32-bit code on FreeBSD/amd64, we have to explicitly
3872 // instruct as in the base system to assemble 32-bit code.
3873 if (getToolChain().getArchName() == "i386")
3874 CmdArgs.push_back("--32");
3876 if (getToolChain().getArchName() == "powerpc")
3877 CmdArgs.push_back("-a32");
3879 // Set byte order explicitly
3880 if (getToolChain().getArchName() == "mips")
3881 CmdArgs.push_back("-EB");
3882 else if (getToolChain().getArchName() == "mipsel")
3883 CmdArgs.push_back("-EL");
3885 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
3886 options::OPT_Xassembler);
3888 CmdArgs.push_back("-o");
3889 CmdArgs.push_back(Output.getFilename());
3891 for (InputInfoList::const_iterator
3892 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
3893 const InputInfo &II = *it;
3894 CmdArgs.push_back(II.getFilename());
3898 Args.MakeArgString(getToolChain().GetProgramPath("as"));
3899 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
3902 void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
3903 const InputInfo &Output,
3904 const InputInfoList &Inputs,
3905 const ArgList &Args,
3906 const char *LinkingOutput) const {
3907 const Driver &D = getToolChain().getDriver();
3908 ArgStringList CmdArgs;
3910 if (!D.SysRoot.empty())
3911 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
3913 if (Args.hasArg(options::OPT_static)) {
3914 CmdArgs.push_back("-Bstatic");
3916 if (Args.hasArg(options::OPT_rdynamic))
3917 CmdArgs.push_back("-export-dynamic");
3918 CmdArgs.push_back("--eh-frame-hdr");
3919 if (Args.hasArg(options::OPT_shared)) {
3920 CmdArgs.push_back("-Bshareable");
3922 CmdArgs.push_back("-dynamic-linker");
3923 CmdArgs.push_back("/libexec/ld-elf.so.1");
3927 // When building 32-bit code on FreeBSD/amd64, we have to explicitly
3928 // instruct ld in the base system to link 32-bit code.
3929 if (getToolChain().getArchName() == "i386") {
3930 CmdArgs.push_back("-m");
3931 CmdArgs.push_back("elf_i386_fbsd");
3934 if (getToolChain().getArchName() == "powerpc") {
3935 CmdArgs.push_back("-m");
3936 CmdArgs.push_back("elf32ppc");
3939 if (Output.isFilename()) {
3940 CmdArgs.push_back("-o");
3941 CmdArgs.push_back(Output.getFilename());
3943 assert(Output.isNothing() && "Invalid output.");
3946 if (!Args.hasArg(options::OPT_nostdlib) &&
3947 !Args.hasArg(options::OPT_nostartfiles)) {
3948 if (!Args.hasArg(options::OPT_shared)) {
3949 if (Args.hasArg(options::OPT_pg))
3950 CmdArgs.push_back(Args.MakeArgString(
3951 getToolChain().GetFilePath("gcrt1.o")));
3953 const char *crt = Args.hasArg(options::OPT_pie) ? "Scrt1.o" : "crt1.o";
3954 CmdArgs.push_back(Args.MakeArgString(
3955 getToolChain().GetFilePath(crt)));
3957 CmdArgs.push_back(Args.MakeArgString(
3958 getToolChain().GetFilePath("crti.o")));
3959 CmdArgs.push_back(Args.MakeArgString(
3960 getToolChain().GetFilePath("crtbegin.o")));
3962 CmdArgs.push_back(Args.MakeArgString(
3963 getToolChain().GetFilePath("crti.o")));
3964 CmdArgs.push_back(Args.MakeArgString(
3965 getToolChain().GetFilePath("crtbeginS.o")));
3969 Args.AddAllArgs(CmdArgs, options::OPT_L);
3970 const ToolChain::path_list Paths = getToolChain().getFilePaths();
3971 for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
3973 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
3974 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
3975 Args.AddAllArgs(CmdArgs, options::OPT_e);
3976 Args.AddAllArgs(CmdArgs, options::OPT_s);
3977 Args.AddAllArgs(CmdArgs, options::OPT_t);
3978 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
3979 Args.AddAllArgs(CmdArgs, options::OPT_r);
3981 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
3983 if (!Args.hasArg(options::OPT_nostdlib) &&
3984 !Args.hasArg(options::OPT_nodefaultlibs)) {
3986 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
3987 if (Args.hasArg(options::OPT_pg))
3988 CmdArgs.push_back("-lm_p");
3990 CmdArgs.push_back("-lm");
3992 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
3993 // the default system libraries. Just mimic this for now.
3994 if (Args.hasArg(options::OPT_pg))
3995 CmdArgs.push_back("-lgcc_p");
3997 CmdArgs.push_back("-lgcc");
3998 if (Args.hasArg(options::OPT_static)) {
3999 CmdArgs.push_back("-lgcc_eh");
4000 } else if (Args.hasArg(options::OPT_pg)) {
4001 CmdArgs.push_back("-lgcc_eh_p");
4003 CmdArgs.push_back("--as-needed");
4004 CmdArgs.push_back("-lgcc_s");
4005 CmdArgs.push_back("--no-as-needed");
4008 if (Args.hasArg(options::OPT_pthread)) {
4009 if (Args.hasArg(options::OPT_pg))
4010 CmdArgs.push_back("-lpthread_p");
4012 CmdArgs.push_back("-lpthread");
4015 if (Args.hasArg(options::OPT_pg)) {
4016 if (Args.hasArg(options::OPT_shared))
4017 CmdArgs.push_back("-lc");
4019 CmdArgs.push_back("-lc_p");
4020 CmdArgs.push_back("-lgcc_p");
4022 CmdArgs.push_back("-lc");
4023 CmdArgs.push_back("-lgcc");
4026 if (Args.hasArg(options::OPT_static)) {
4027 CmdArgs.push_back("-lgcc_eh");
4028 } else if (Args.hasArg(options::OPT_pg)) {
4029 CmdArgs.push_back("-lgcc_eh_p");
4031 CmdArgs.push_back("--as-needed");
4032 CmdArgs.push_back("-lgcc_s");
4033 CmdArgs.push_back("--no-as-needed");
4037 if (!Args.hasArg(options::OPT_nostdlib) &&
4038 !Args.hasArg(options::OPT_nostartfiles)) {
4039 if (!Args.hasArg(options::OPT_shared))
4040 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4043 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4045 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4049 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4052 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4053 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4056 void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4057 const InputInfo &Output,
4058 const InputInfoList &Inputs,
4059 const ArgList &Args,
4060 const char *LinkingOutput) const {
4061 ArgStringList CmdArgs;
4063 // When building 32-bit code on NetBSD/amd64, we have to explicitly
4064 // instruct as in the base system to assemble 32-bit code.
4065 if (ToolTriple.getArch() == llvm::Triple::x86_64 &&
4066 getToolChain().getArch() == llvm::Triple::x86)
4067 CmdArgs.push_back("--32");
4070 // Set byte order explicitly
4071 if (getToolChain().getArchName() == "mips")
4072 CmdArgs.push_back("-EB");
4073 else if (getToolChain().getArchName() == "mipsel")
4074 CmdArgs.push_back("-EL");
4076 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4077 options::OPT_Xassembler);
4079 CmdArgs.push_back("-o");
4080 CmdArgs.push_back(Output.getFilename());
4082 for (InputInfoList::const_iterator
4083 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4084 const InputInfo &II = *it;
4085 CmdArgs.push_back(II.getFilename());
4088 const char *Exec = Args.MakeArgString((getToolChain().GetProgramPath("as")));
4089 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4092 void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
4093 const InputInfo &Output,
4094 const InputInfoList &Inputs,
4095 const ArgList &Args,
4096 const char *LinkingOutput) const {
4097 const Driver &D = getToolChain().getDriver();
4098 ArgStringList CmdArgs;
4100 if (!D.SysRoot.empty())
4101 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
4103 if (Args.hasArg(options::OPT_static)) {
4104 CmdArgs.push_back("-Bstatic");
4106 if (Args.hasArg(options::OPT_rdynamic))
4107 CmdArgs.push_back("-export-dynamic");
4108 CmdArgs.push_back("--eh-frame-hdr");
4109 if (Args.hasArg(options::OPT_shared)) {
4110 CmdArgs.push_back("-Bshareable");
4112 CmdArgs.push_back("-dynamic-linker");
4113 CmdArgs.push_back("/libexec/ld.elf_so");
4117 // When building 32-bit code on NetBSD/amd64, we have to explicitly
4118 // instruct ld in the base system to link 32-bit code.
4119 if (ToolTriple.getArch() == llvm::Triple::x86_64 &&
4120 getToolChain().getArch() == llvm::Triple::x86) {
4121 CmdArgs.push_back("-m");
4122 CmdArgs.push_back("elf_i386");
4125 if (Output.isFilename()) {
4126 CmdArgs.push_back("-o");
4127 CmdArgs.push_back(Output.getFilename());
4129 assert(Output.isNothing() && "Invalid output.");
4132 if (!Args.hasArg(options::OPT_nostdlib) &&
4133 !Args.hasArg(options::OPT_nostartfiles)) {
4134 if (!Args.hasArg(options::OPT_shared)) {
4135 CmdArgs.push_back(Args.MakeArgString(
4136 getToolChain().GetFilePath("crt0.o")));
4137 CmdArgs.push_back(Args.MakeArgString(
4138 getToolChain().GetFilePath("crti.o")));
4139 CmdArgs.push_back(Args.MakeArgString(
4140 getToolChain().GetFilePath("crtbegin.o")));
4142 CmdArgs.push_back(Args.MakeArgString(
4143 getToolChain().GetFilePath("crti.o")));
4144 CmdArgs.push_back(Args.MakeArgString(
4145 getToolChain().GetFilePath("crtbeginS.o")));
4149 Args.AddAllArgs(CmdArgs, options::OPT_L);
4150 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4151 Args.AddAllArgs(CmdArgs, options::OPT_e);
4152 Args.AddAllArgs(CmdArgs, options::OPT_s);
4153 Args.AddAllArgs(CmdArgs, options::OPT_t);
4154 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
4155 Args.AddAllArgs(CmdArgs, options::OPT_r);
4157 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4159 if (!Args.hasArg(options::OPT_nostdlib) &&
4160 !Args.hasArg(options::OPT_nodefaultlibs)) {
4162 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4163 CmdArgs.push_back("-lm");
4165 // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
4166 // the default system libraries. Just mimic this for now.
4167 if (Args.hasArg(options::OPT_static)) {
4168 CmdArgs.push_back("-lgcc_eh");
4170 CmdArgs.push_back("--as-needed");
4171 CmdArgs.push_back("-lgcc_s");
4172 CmdArgs.push_back("--no-as-needed");
4174 CmdArgs.push_back("-lgcc");
4176 if (Args.hasArg(options::OPT_pthread))
4177 CmdArgs.push_back("-lpthread");
4178 CmdArgs.push_back("-lc");
4180 CmdArgs.push_back("-lgcc");
4181 if (Args.hasArg(options::OPT_static)) {
4182 CmdArgs.push_back("-lgcc_eh");
4184 CmdArgs.push_back("--as-needed");
4185 CmdArgs.push_back("-lgcc_s");
4186 CmdArgs.push_back("--no-as-needed");
4190 if (!Args.hasArg(options::OPT_nostdlib) &&
4191 !Args.hasArg(options::OPT_nostartfiles)) {
4192 if (!Args.hasArg(options::OPT_shared))
4193 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4196 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4198 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4202 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4204 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4205 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4208 void linuxtools::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4209 const InputInfo &Output,
4210 const InputInfoList &Inputs,
4211 const ArgList &Args,
4212 const char *LinkingOutput) const {
4213 ArgStringList CmdArgs;
4215 // Add --32/--64 to make sure we get the format we want.
4216 // This is incomplete
4217 if (getToolChain().getArch() == llvm::Triple::x86) {
4218 CmdArgs.push_back("--32");
4219 } else if (getToolChain().getArch() == llvm::Triple::x86_64) {
4220 CmdArgs.push_back("--64");
4221 } else if (getToolChain().getArch() == llvm::Triple::arm) {
4222 StringRef MArch = getToolChain().getArchName();
4223 if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
4224 CmdArgs.push_back("-mfpu=neon");
4227 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4228 options::OPT_Xassembler);
4230 CmdArgs.push_back("-o");
4231 CmdArgs.push_back(Output.getFilename());
4233 for (InputInfoList::const_iterator
4234 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4235 const InputInfo &II = *it;
4236 CmdArgs.push_back(II.getFilename());
4240 Args.MakeArgString(getToolChain().GetProgramPath("as"));
4241 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4244 void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
4245 const InputInfo &Output,
4246 const InputInfoList &Inputs,
4247 const ArgList &Args,
4248 const char *LinkingOutput) const {
4249 const toolchains::Linux& ToolChain =
4250 static_cast<const toolchains::Linux&>(getToolChain());
4251 const Driver &D = ToolChain.getDriver();
4252 ArgStringList CmdArgs;
4254 // Silence warning for "clang -g foo.o -o foo"
4255 Args.ClaimAllArgs(options::OPT_g_Group);
4256 // and "clang -emit-llvm foo.o -o foo"
4257 Args.ClaimAllArgs(options::OPT_emit_llvm);
4258 // and for "clang -g foo.o -o foo". Other warning options are already
4259 // handled somewhere else.
4260 Args.ClaimAllArgs(options::OPT_w);
4262 if (!D.SysRoot.empty())
4263 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
4265 if (Args.hasArg(options::OPT_pie))
4266 CmdArgs.push_back("-pie");
4268 if (Args.hasArg(options::OPT_rdynamic))
4269 CmdArgs.push_back("-export-dynamic");
4271 if (Args.hasArg(options::OPT_s))
4272 CmdArgs.push_back("-s");
4274 for (std::vector<std::string>::const_iterator i = ToolChain.ExtraOpts.begin(),
4275 e = ToolChain.ExtraOpts.end();
4277 CmdArgs.push_back(i->c_str());
4279 if (!Args.hasArg(options::OPT_static)) {
4280 CmdArgs.push_back("--eh-frame-hdr");
4283 CmdArgs.push_back("-m");
4284 if (ToolChain.getArch() == llvm::Triple::x86)
4285 CmdArgs.push_back("elf_i386");
4286 else if (ToolChain.getArch() == llvm::Triple::arm
4287 || ToolChain.getArch() == llvm::Triple::thumb)
4288 CmdArgs.push_back("armelf_linux_eabi");
4289 else if (ToolChain.getArch() == llvm::Triple::ppc)
4290 CmdArgs.push_back("elf32ppclinux");
4291 else if (ToolChain.getArch() == llvm::Triple::ppc64)
4292 CmdArgs.push_back("elf64ppc");
4294 CmdArgs.push_back("elf_x86_64");
4296 if (Args.hasArg(options::OPT_static)) {
4297 if (ToolChain.getArch() == llvm::Triple::arm
4298 || ToolChain.getArch() == llvm::Triple::thumb)
4299 CmdArgs.push_back("-Bstatic");
4301 CmdArgs.push_back("-static");
4302 } else if (Args.hasArg(options::OPT_shared)) {
4303 CmdArgs.push_back("-shared");
4306 if (ToolChain.getArch() == llvm::Triple::arm ||
4307 ToolChain.getArch() == llvm::Triple::thumb ||
4308 (!Args.hasArg(options::OPT_static) &&
4309 !Args.hasArg(options::OPT_shared))) {
4310 CmdArgs.push_back("-dynamic-linker");
4311 if (ToolChain.getArch() == llvm::Triple::x86)
4312 CmdArgs.push_back("/lib/ld-linux.so.2");
4313 else if (ToolChain.getArch() == llvm::Triple::arm ||
4314 ToolChain.getArch() == llvm::Triple::thumb)
4315 CmdArgs.push_back("/lib/ld-linux.so.3");
4316 else if (ToolChain.getArch() == llvm::Triple::ppc)
4317 CmdArgs.push_back("/lib/ld.so.1");
4318 else if (ToolChain.getArch() == llvm::Triple::ppc64)
4319 CmdArgs.push_back("/lib64/ld64.so.1");
4321 CmdArgs.push_back("/lib64/ld-linux-x86-64.so.2");
4324 CmdArgs.push_back("-o");
4325 CmdArgs.push_back(Output.getFilename());
4327 if (!Args.hasArg(options::OPT_nostdlib) &&
4328 !Args.hasArg(options::OPT_nostartfiles)) {
4329 const char *crt1 = NULL;
4330 if (!Args.hasArg(options::OPT_shared)){
4331 if (Args.hasArg(options::OPT_pie))
4337 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
4339 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
4341 const char *crtbegin;
4342 if (Args.hasArg(options::OPT_static))
4343 crtbegin = "crtbeginT.o";
4344 else if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
4345 crtbegin = "crtbeginS.o";
4347 crtbegin = "crtbegin.o";
4348 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
4351 Args.AddAllArgs(CmdArgs, options::OPT_L);
4353 const ToolChain::path_list Paths = ToolChain.getFilePaths();
4355 for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
4357 CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
4359 AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
4361 if (D.CCCIsCXX && !Args.hasArg(options::OPT_nostdlib)) {
4362 ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
4363 CmdArgs.push_back("-lm");
4366 if (!Args.hasArg(options::OPT_nostdlib)) {
4367 if (Args.hasArg(options::OPT_static))
4368 CmdArgs.push_back("--start-group");
4371 CmdArgs.push_back("-lgcc");
4373 if (Args.hasArg(options::OPT_static)) {
4375 CmdArgs.push_back("-lgcc");
4378 CmdArgs.push_back("--as-needed");
4379 CmdArgs.push_back("-lgcc_s");
4381 CmdArgs.push_back("--no-as-needed");
4384 if (Args.hasArg(options::OPT_static))
4385 CmdArgs.push_back("-lgcc_eh");
4386 else if (!Args.hasArg(options::OPT_shared) && D.CCCIsCXX)
4387 CmdArgs.push_back("-lgcc");
4389 if (Args.hasArg(options::OPT_pthread) ||
4390 Args.hasArg(options::OPT_pthreads))
4391 CmdArgs.push_back("-lpthread");
4393 CmdArgs.push_back("-lc");
4395 if (Args.hasArg(options::OPT_static))
4396 CmdArgs.push_back("--end-group");
4399 CmdArgs.push_back("-lgcc");
4402 CmdArgs.push_back("--as-needed");
4403 CmdArgs.push_back("-lgcc_s");
4405 CmdArgs.push_back("--no-as-needed");
4407 if (!Args.hasArg(options::OPT_shared) && D.CCCIsCXX)
4408 CmdArgs.push_back("-lgcc");
4412 if (!Args.hasArg(options::OPT_nostartfiles)) {
4414 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
4415 crtend = "crtendS.o";
4417 crtend = "crtend.o";
4419 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
4420 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
4424 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4426 if (Args.hasArg(options::OPT_use_gold_plugin)) {
4427 CmdArgs.push_back("-plugin");
4428 std::string Plugin = ToolChain.getDriver().Dir + "/../lib/LLVMgold.so";
4429 CmdArgs.push_back(Args.MakeArgString(Plugin));
4432 C.addCommand(new Command(JA, *this, ToolChain.Linker.c_str(), CmdArgs));
4435 void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4436 const InputInfo &Output,
4437 const InputInfoList &Inputs,
4438 const ArgList &Args,
4439 const char *LinkingOutput) const {
4440 ArgStringList CmdArgs;
4442 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4443 options::OPT_Xassembler);
4445 CmdArgs.push_back("-o");
4446 CmdArgs.push_back(Output.getFilename());
4448 for (InputInfoList::const_iterator
4449 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4450 const InputInfo &II = *it;
4451 CmdArgs.push_back(II.getFilename());
4455 Args.MakeArgString(getToolChain().GetProgramPath("gas"));
4456 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4459 void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
4460 const InputInfo &Output,
4461 const InputInfoList &Inputs,
4462 const ArgList &Args,
4463 const char *LinkingOutput) const {
4464 const Driver &D = getToolChain().getDriver();
4465 ArgStringList CmdArgs;
4467 if (Output.isFilename()) {
4468 CmdArgs.push_back("-o");
4469 CmdArgs.push_back(Output.getFilename());
4471 assert(Output.isNothing() && "Invalid output.");
4474 if (!Args.hasArg(options::OPT_nostdlib) &&
4475 !Args.hasArg(options::OPT_nostartfiles))
4476 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4477 "/usr/gnu/lib/crtso.o")));
4479 Args.AddAllArgs(CmdArgs, options::OPT_L);
4480 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4481 Args.AddAllArgs(CmdArgs, options::OPT_e);
4483 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4485 if (!Args.hasArg(options::OPT_nostdlib) &&
4486 !Args.hasArg(options::OPT_nodefaultlibs)) {
4488 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4489 CmdArgs.push_back("-lm");
4492 if (Args.hasArg(options::OPT_pthread))
4493 CmdArgs.push_back("-lpthread");
4494 CmdArgs.push_back("-lc");
4495 CmdArgs.push_back("-lgcc");
4496 CmdArgs.push_back("-L/usr/gnu/lib");
4497 // FIXME: fill in the correct search path for the final
4498 // support libraries.
4499 CmdArgs.push_back("-L/usr/gnu/lib/gcc/i686-pc-minix/4.4.3");
4502 if (!Args.hasArg(options::OPT_nostdlib) &&
4503 !Args.hasArg(options::OPT_nostartfiles)) {
4504 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
4505 "/usr/gnu/lib/libend.a")));
4508 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4511 Args.MakeArgString(getToolChain().GetProgramPath("/usr/gnu/bin/gld"));
4512 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4517 // For now, DragonFly Assemble does just about the same as for
4518 // FreeBSD, but this may change soon.
4519 void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
4520 const InputInfo &Output,
4521 const InputInfoList &Inputs,
4522 const ArgList &Args,
4523 const char *LinkingOutput) const {
4524 ArgStringList CmdArgs;
4526 // When building 32-bit code on DragonFly/pc64, we have to explicitly
4527 // instruct as in the base system to assemble 32-bit code.
4528 if (getToolChain().getArchName() == "i386")
4529 CmdArgs.push_back("--32");
4531 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
4532 options::OPT_Xassembler);
4534 CmdArgs.push_back("-o");
4535 CmdArgs.push_back(Output.getFilename());
4537 for (InputInfoList::const_iterator
4538 it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
4539 const InputInfo &II = *it;
4540 CmdArgs.push_back(II.getFilename());
4544 Args.MakeArgString(getToolChain().GetProgramPath("as"));
4545 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4548 void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
4549 const InputInfo &Output,
4550 const InputInfoList &Inputs,
4551 const ArgList &Args,
4552 const char *LinkingOutput) const {
4553 const Driver &D = getToolChain().getDriver();
4554 ArgStringList CmdArgs;
4556 if (!D.SysRoot.empty())
4557 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
4559 if (Args.hasArg(options::OPT_static)) {
4560 CmdArgs.push_back("-Bstatic");
4562 if (Args.hasArg(options::OPT_shared))
4563 CmdArgs.push_back("-Bshareable");
4565 CmdArgs.push_back("-dynamic-linker");
4566 CmdArgs.push_back("/usr/libexec/ld-elf.so.2");
4570 // When building 32-bit code on DragonFly/pc64, we have to explicitly
4571 // instruct ld in the base system to link 32-bit code.
4572 if (getToolChain().getArchName() == "i386") {
4573 CmdArgs.push_back("-m");
4574 CmdArgs.push_back("elf_i386");
4577 if (Output.isFilename()) {
4578 CmdArgs.push_back("-o");
4579 CmdArgs.push_back(Output.getFilename());
4581 assert(Output.isNothing() && "Invalid output.");
4584 if (!Args.hasArg(options::OPT_nostdlib) &&
4585 !Args.hasArg(options::OPT_nostartfiles)) {
4586 if (!Args.hasArg(options::OPT_shared)) {
4588 Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
4590 Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
4592 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
4595 Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
4597 Args.MakeArgString(getToolChain().GetFilePath("crtbeginS.o")));
4601 Args.AddAllArgs(CmdArgs, options::OPT_L);
4602 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
4603 Args.AddAllArgs(CmdArgs, options::OPT_e);
4605 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4607 if (!Args.hasArg(options::OPT_nostdlib) &&
4608 !Args.hasArg(options::OPT_nodefaultlibs)) {
4609 // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of
4611 CmdArgs.push_back("-L/usr/lib/gcc41");
4613 if (!Args.hasArg(options::OPT_static)) {
4614 CmdArgs.push_back("-rpath");
4615 CmdArgs.push_back("/usr/lib/gcc41");
4617 CmdArgs.push_back("-rpath-link");
4618 CmdArgs.push_back("/usr/lib/gcc41");
4620 CmdArgs.push_back("-rpath");
4621 CmdArgs.push_back("/usr/lib");
4623 CmdArgs.push_back("-rpath-link");
4624 CmdArgs.push_back("/usr/lib");
4628 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
4629 CmdArgs.push_back("-lm");
4632 if (Args.hasArg(options::OPT_shared)) {
4633 CmdArgs.push_back("-lgcc_pic");
4635 CmdArgs.push_back("-lgcc");
4639 if (Args.hasArg(options::OPT_pthread))
4640 CmdArgs.push_back("-lpthread");
4642 if (!Args.hasArg(options::OPT_nolibc)) {
4643 CmdArgs.push_back("-lc");
4646 if (Args.hasArg(options::OPT_shared)) {
4647 CmdArgs.push_back("-lgcc_pic");
4649 CmdArgs.push_back("-lgcc");
4653 if (!Args.hasArg(options::OPT_nostdlib) &&
4654 !Args.hasArg(options::OPT_nostartfiles)) {
4655 if (!Args.hasArg(options::OPT_shared))
4656 CmdArgs.push_back(Args.MakeArgString(
4657 getToolChain().GetFilePath("crtend.o")));
4659 CmdArgs.push_back(Args.MakeArgString(
4660 getToolChain().GetFilePath("crtendS.o")));
4661 CmdArgs.push_back(Args.MakeArgString(
4662 getToolChain().GetFilePath("crtn.o")));
4665 addProfileRT(getToolChain(), Args, CmdArgs, getToolChain().getTriple());
4668 Args.MakeArgString(getToolChain().GetProgramPath("ld"));
4669 C.addCommand(new Command(JA, *this, Exec, CmdArgs));
4672 void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA,
4673 const InputInfo &Output,
4674 const InputInfoList &Inputs,
4675 const ArgList &Args,
4676 const char *LinkingOutput) const {
4677 ArgStringList CmdArgs;
4679 if (Output.isFilename()) {
4680 CmdArgs.push_back(Args.MakeArgString(std::string("-out:") +
4681 Output.getFilename()));
4683 assert(Output.isNothing() && "Invalid output.");
4686 if (!Args.hasArg(options::OPT_nostdlib) &&
4687 !Args.hasArg(options::OPT_nostartfiles)) {
4688 CmdArgs.push_back("-defaultlib:libcmt");
4691 CmdArgs.push_back("-nologo");
4693 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
4696 Args.MakeArgString(getToolChain().GetProgramPath("link.exe"));
4697 C.addCommand(new Command(JA, *this, Exec, CmdArgs));