clang: lib/Driver/ToolChains/Gnu.cpp Source File (original) (raw)
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20#include "clang/Config/config.h"
28#include "llvm/ADT/StringSet.h"
29#include "llvm/ADT/Twine.h"
30#include "llvm/Option/ArgList.h"
31#include "llvm/Support/CodeGen.h"
32#include "llvm/Support/Path.h"
33#include "llvm/Support/VirtualFileSystem.h"
34#include "llvm/TargetParser/RISCVISAInfo.h"
35#include "llvm/TargetParser/TargetParser.h"
36#include <system_error>
37
40using namespace clang;
42
45
47
49 return false;
50 return O.matches(options::OPT_Link_Group) || O.hasFlag(options::LinkOption);
51}
52
53
54
55
57 ArgStringList &CmdArgs) {
58 if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
59 StringRef CPUArg(A->getValue());
60 if (CPUArg.equals_insensitive("krait"))
61 CmdArgs.push_back("-mcpu=cortex-a15");
62 else if (CPUArg.equals_insensitive("kryo"))
63 CmdArgs.push_back("-mcpu=cortex-a57");
64 else
65 Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ);
66 }
67}
68
72 const ArgList &Args,
73 const char *LinkingOutput) const {
75 ArgStringList CmdArgs;
76
77 for (const auto &A : Args) {
79
80
81
82
83 A->claim();
84
85 A->render(Args, CmdArgs);
86 }
87 }
88
90
91
92 if (getToolChain().getTriple().isOSDarwin()) {
93 CmdArgs.push_back("-arch");
94 CmdArgs.push_back(
95 Args.MakeArgString(getToolChain().getDefaultUniversalArchName()));
96 }
97
98
99
100
101
102
104 default:
105 break;
106 case llvm::Triple::x86:
107 case llvm::Triple::ppc:
108 case llvm::Triple::ppcle:
109 CmdArgs.push_back("-m32");
110 break;
111 case llvm::Triple::x86_64:
112 case llvm::Triple::ppc64:
113 case llvm::Triple::ppc64le:
114 CmdArgs.push_back("-m64");
115 break;
116 case llvm::Triple::sparcel:
117 CmdArgs.push_back("-EL");
118 break;
119 }
120
121 assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
123 CmdArgs.push_back("-o");
125 } else {
126 CmdArgs.push_back("-fsyntax-only");
127 }
128
129 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
130
131
132
133
134
135
136
137
138
139 for (const auto &II : Inputs) {
140
142 D.Diag(clang::diag::err_drv_no_linker_llvm_support)
144 else if (II.getType() == types::TY_AST)
146 else if (II.getType() == types::TY_ModuleFile)
147 D.Diag(diag::err_drv_no_module_support)
149
151 CmdArgs.push_back("-x");
153 }
154
155 if (II.isFilename())
156 CmdArgs.push_back(II.getFilename());
157 else {
158 const Arg &A = II.getInputArg();
159
160
161 if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
162 CmdArgs.push_back("-lstdc++");
163 continue;
164 }
165
166
167 A.render(Args, CmdArgs);
168 }
169 }
170
171 const std::string &customGCCName = D.getCCCGenericGCCName();
172 const char *GCCName;
173 if (!customGCCName.empty())
174 GCCName = customGCCName.c_str();
175 else if (D.CCCIsCXX()) {
176 GCCName = "g++";
177 } else
178 GCCName = "gcc";
179
180 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
181 C.addCommand(std::make_unique(JA, *this,
183 Exec, CmdArgs, Inputs, Output));
184}
185
187 const JobAction &JA, ArgStringList &CmdArgs) const {
188 CmdArgs.push_back("-E");
189}
190
192 ArgStringList &CmdArgs) const {
193 const Driver &D = getToolChain().getDriver();
194
196
197 case types::TY_LLVM_IR:
198 case types::TY_LTO_IR:
199 case types::TY_LLVM_BC:
200 case types::TY_LTO_BC:
201 CmdArgs.push_back("-c");
202 break;
203
204
205 case types::TY_Object:
206 CmdArgs.push_back("-c");
207 break;
208 case types::TY_PP_Asm:
209 CmdArgs.push_back("-S");
210 break;
211 case types::TY_Nothing:
212 CmdArgs.push_back("-fsyntax-only");
213 break;
214 default:
215 D.Diag(diag::err_drv_invalid_gcc_output_type) << getTypeName(JA.getType());
216 }
217}
218
220 ArgStringList &CmdArgs) const {
221
222}
223
224static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
225 switch (T.getArch()) {
226 case llvm::Triple::x86:
227 if (T.isOSIAMCU())
228 return "elf_iamcu";
229 return "elf_i386";
230 case llvm::Triple::aarch64:
231 return "aarch64linux";
232 case llvm::Triple::aarch64_be:
233 return "aarch64linuxb";
234 case llvm::Triple::arm:
235 case llvm::Triple::thumb:
236 case llvm::Triple::armeb:
237 case llvm::Triple::thumbeb:
239 : "armelf_linux_eabi";
240 case llvm::Triple::m68k:
241 return "m68kelf";
242 case llvm::Triple::ppc:
243 if (T.isOSLinux())
244 return "elf32ppclinux";
245 return "elf32ppc";
246 case llvm::Triple::ppcle:
247 if (T.isOSLinux())
248 return "elf32lppclinux";
249 return "elf32lppc";
250 case llvm::Triple::ppc64:
251 return "elf64ppc";
252 case llvm::Triple::ppc64le:
253 return "elf64lppc";
254 case llvm::Triple::riscv32:
255 return "elf32lriscv";
256 case llvm::Triple::riscv64:
257 return "elf64lriscv";
258 case llvm::Triple::sparc:
259 case llvm::Triple::sparcel:
260 return "elf32_sparc";
261 case llvm::Triple::sparcv9:
262 return "elf64_sparc";
263 case llvm::Triple::loongarch32:
264 return "elf32loongarch";
265 case llvm::Triple::loongarch64:
266 return "elf64loongarch";
267 case llvm::Triple::mips:
268 return "elf32btsmip";
269 case llvm::Triple::mipsel:
270 return "elf32ltsmip";
271 case llvm::Triple::mips64:
273 return "elf32btsmipn32";
274 return "elf64btsmip";
275 case llvm::Triple::mips64el:
277 return "elf32ltsmipn32";
278 return "elf64ltsmip";
279 case llvm::Triple::systemz:
280 return "elf64_s390";
281 case llvm::Triple::x86_64:
282 if (T.isX32())
283 return "elf32_x86_64";
284 return "elf_x86_64";
285 case llvm::Triple::ve:
286 return "elf64ve";
287 case llvm::Triple::csky:
288 return "cskyelf_linux";
289 default:
290 return nullptr;
291 }
292}
293
295 bool HasStaticPIE = Args.hasArg(options::OPT_static_pie);
296 if (HasStaticPIE && Args.hasArg(options::OPT_no_pie)) {
298 const llvm::opt::OptTable &Opts = D.getOpts();
299 StringRef StaticPIEName = Opts.getOptionName(options::OPT_static_pie);
300 StringRef NoPIEName = Opts.getOptionName(options::OPT_nopie);
301 D.Diag(diag::err_drv_cannot_mix_options) << StaticPIEName << NoPIEName;
302 }
303 return HasStaticPIE;
304}
305
307 return Args.hasArg(options::OPT_static) &&
308 !Args.hasArg(options::OPT_static_pie);
309}
310
313 const InputInfoList &Inputs, const ArgList &Args,
314 const char *LinkingOutput) const {
315 const Driver &D = getToolChain().getDriver();
316
317
318 Args.ClaimAllArgs(options::OPT_g_Group);
319
320 Args.ClaimAllArgs(options::OPT_emit_llvm);
321
322
323 Args.ClaimAllArgs(options::OPT_w);
324
325 Args.ClaimAllArgs(options::OPT_stdlib_EQ);
326
327
328 ArgStringList CmdArgs;
329
330 CmdArgs.push_back("rcsD");
332
333 for (const auto &II : Inputs) {
334 if (II.isFilename()) {
335 CmdArgs.push_back(II.getFilename());
336 }
337 }
338
339
340
341 auto OutputFileName = Output.getFilename();
342 if (Output.isFilename() && llvm::sys::fs::exists(OutputFileName)) {
343 if (std::error_code EC = llvm::sys::fs::remove(OutputFileName)) {
344 D.Diag(diag::err_drv_unable_to_remove_file) << EC.message();
345 return;
346 }
347 }
348
349 const char *Exec = Args.MakeArgString(getToolChain().GetStaticLibToolPath());
350 C.addCommand(std::make_unique(JA, *this,
352 Exec, CmdArgs, Inputs, Output));
353}
354
358 const ArgList &Args,
359 const char *LinkingOutput) const {
360
361
362
363
366
367 const llvm::Triple &Triple = getToolChain().getEffectiveTriple();
368
376 const bool HasCRTBeginEndFiles =
378 (ToolChain.getTriple().getVendor() != llvm::Triple::MipsTechnologies);
379
380 ArgStringList CmdArgs;
381
382
383 Args.ClaimAllArgs(options::OPT_g_Group);
384
385 Args.ClaimAllArgs(options::OPT_emit_llvm);
386
387
388 Args.ClaimAllArgs(options::OPT_w);
389
390 if (.SysRoot.empty())
391 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
392
393 if (Args.hasArg(options::OPT_s))
394 CmdArgs.push_back("-s");
395
396 if (Triple.isARM() || Triple.isThumb()) {
398 if (IsBigEndian)
400 CmdArgs.push_back(IsBigEndian ? "-EB" : "-EL");
401 } else if (Triple.isAArch64()) {
402 CmdArgs.push_back(Arch == llvm::Triple::aarch64_be ? "-EB" : "-EL");
403 }
404
405
406
407 if (Arch == llvm::Triple::aarch64 && (isAndroid || isOHOSFamily)) {
408 std::string CPU = getCPUName(D, Args, Triple);
409 if (CPU.empty() || CPU == "generic" || CPU == "cortex-a53")
410 CmdArgs.push_back("--fix-cortex-a53-843419");
411 }
412
414
415 CmdArgs.push_back("--eh-frame-hdr");
416
418 CmdArgs.push_back("-m");
419 CmdArgs.push_back(LDMOption);
420 } else {
421 D.Diag(diag::err_target_unknown_triple) << Triple.str();
422 return;
423 }
424
425 if (Triple.isRISCV()) {
426 CmdArgs.push_back("-X");
427 if (Args.hasArg(options::OPT_mno_relax))
428 CmdArgs.push_back("--no-relax");
429 }
430
431 const bool IsShared = Args.hasArg(options::OPT_shared);
432 if (IsShared)
433 CmdArgs.push_back("-shared");
434 bool IsPIE = false;
435 if (IsStaticPIE) {
436 CmdArgs.push_back("-static");
437 CmdArgs.push_back("-pie");
438 CmdArgs.push_back("--no-dynamic-linker");
439 CmdArgs.push_back("-z");
440 CmdArgs.push_back("text");
442 CmdArgs.push_back("-static");
443 } else if (!Args.hasArg(options::OPT_r)) {
444 if (Args.hasArg(options::OPT_rdynamic))
445 CmdArgs.push_back("-export-dynamic");
446 if (!IsShared) {
447 IsPIE = Args.hasFlag(options::OPT_pie, options::OPT_no_pie,
449 if (IsPIE)
450 CmdArgs.push_back("-pie");
451 CmdArgs.push_back("-dynamic-linker");
452 CmdArgs.push_back(Args.MakeArgString(Twine(D.DyldPrefix) +
453 ToolChain.getDynamicLinker(Args)));
454 }
455 }
456
457 CmdArgs.push_back("-o");
459
460 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
461 options::OPT_r)) {
462 if (!isAndroid && !IsIAMCU) {
463 const char *crt1 = nullptr;
464 if (!Args.hasArg(options::OPT_shared)) {
465 if (Args.hasArg(options::OPT_pg))
466 crt1 = "gcrt1.o";
467 else if (IsPIE)
468 crt1 = "Scrt1.o";
469 else if (IsStaticPIE)
470 crt1 = "rcrt1.o";
471 else
472 crt1 = "crt1.o";
473 }
474 if (crt1)
476
478 }
479
480 if (IsVE) {
481 CmdArgs.push_back("-z");
482 CmdArgs.push_back("max-page-size=0x4000000");
483 }
484
485 if (IsIAMCU)
487 else if (HasCRTBeginEndFiles) {
488 std::string P;
490 !isAndroid) {
494 P = crtbegin;
495 }
496 if (P.empty()) {
497 const char *crtbegin;
498 if (Args.hasArg(options::OPT_shared))
499 crtbegin = isAndroid ? "crtbegin_so.o" : "crtbeginS.o";
501 crtbegin = isAndroid ? "crtbegin_static.o" : "crtbeginT.o";
502 else if (IsPIE || IsStaticPIE)
503 crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbeginS.o";
504 else
505 crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbegin.o";
507 }
508 CmdArgs.push_back(Args.MakeArgString(P));
509 }
510
511
513
514 if (isAndroid && Args.hasFlag(options::OPT_fandroid_pad_segment,
515 options::OPT_fno_android_pad_segment, false))
516 CmdArgs.push_back(
518 }
519
520 Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_u});
521
523
524 if (D.isUsingLTO()) {
525 assert(!Inputs.empty() && "Must have at least one input.");
526
527 auto Input = llvm::find_if(
529 if (Input == Inputs.end())
530
531
532 Input = Inputs.begin();
533
536 }
537
538 if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle))
539 CmdArgs.push_back("--no-demangle");
540
545
547
548
549 getToolChain().addProfileRTLibs(Args, CmdArgs);
550
551 if (D.CCCIsCXX() &&
552 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
553 options::OPT_r)) {
555 bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
556 !Args.hasArg(options::OPT_static);
557 if (OnlyLibstdcxxStatic)
558 CmdArgs.push_back("-Bstatic");
560 if (OnlyLibstdcxxStatic)
561 CmdArgs.push_back("-Bdynamic");
562 }
563 CmdArgs.push_back("-lm");
564 }
565
566
567 Args.ClaimAllArgs(options::OPT_stdlib_EQ);
568
569
570
571
572
573 if (D.IsFlangMode() &&
574 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
577 CmdArgs.push_back("-lm");
578 }
579
580 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_r)) {
581 if (!Args.hasArg(options::OPT_nodefaultlibs)) {
583 CmdArgs.push_back("--start-group");
584
585 if (NeedsSanitizerDeps)
587
588 if (NeedsXRayDeps)
590
591 bool WantPthread = Args.hasArg(options::OPT_pthread) ||
592 Args.hasArg(options::OPT_pthreads);
593
594
595 bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) &&
596 !Args.hasArg(options::OPT_static);
597
598
599
602 true))
603
604
605 WantPthread = true;
606
608
609
610
611
612 if (getToolChain().getTriple().getArch() == llvm::Triple::sparc) {
613 CmdArgs.push_back("--push-state");
614 CmdArgs.push_back("--as-needed");
615 CmdArgs.push_back("-latomic");
616 CmdArgs.push_back("--pop-state");
617 }
618
619
620
621 if (WantPthread && !isAndroid && !isOHOSFamily)
622 CmdArgs.push_back("-lpthread");
623
624 if (Args.hasArg(options::OPT_fsplit_stack))
625 CmdArgs.push_back("--wrap=pthread_create");
626
627 if (!Args.hasArg(options::OPT_nolibc))
628 CmdArgs.push_back("-lc");
629
630
631 if (IsIAMCU)
632 CmdArgs.push_back("-lgloss");
633
635 CmdArgs.push_back("--end-group");
636 else
638
639
640 if (IsIAMCU) {
641 CmdArgs.push_back("--as-needed");
642 CmdArgs.push_back("-lsoftfp");
643 CmdArgs.push_back("--no-as-needed");
644 }
645 }
646
647 if (!Args.hasArg(options::OPT_nostartfiles) && !IsIAMCU) {
648 if (HasCRTBeginEndFiles) {
649 std::string P;
651 !isAndroid) {
655 P = crtend;
656 }
657 if (P.empty()) {
658 const char *crtend;
659 if (Args.hasArg(options::OPT_shared))
660 crtend = isAndroid ? "crtend_so.o" : "crtendS.o";
661 else if (IsPIE || IsStaticPIE)
662 crtend = isAndroid ? "crtend_android.o" : "crtendS.o";
663 else
664 crtend = isAndroid ? "crtend_android.o" : "crtend.o";
666 }
667 CmdArgs.push_back(Args.MakeArgString(P));
668 }
669 if (!isAndroid)
671 }
672 }
673
674 Args.addAllArgs(CmdArgs, {options::OPT_T, options::OPT_t});
675
677 C.addCommand(std::make_unique(JA, *this,
679 Exec, CmdArgs, Inputs, Output));
680}
681
686 const ArgList &Args,
687 const char *LinkingOutput) const {
688 const auto &D = getToolChain().getDriver();
689
691
692 ArgStringList CmdArgs;
693
694 llvm::Reloc::Model RelocationModel;
695 unsigned PICLevel;
696 bool IsPIE;
697 const char *DefaultAssembler = "as";
698
699
700 if (getToolChain().getTriple().isOSSolaris())
701 DefaultAssembler = "gas";
702 std::tie(RelocationModel, PICLevel, IsPIE) =
704
705 if (const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ)) {
706 if (A->getOption().getID() == options::OPT_gz) {
707 CmdArgs.push_back("--compress-debug-sections");
708 } else {
709 StringRef Value = A->getValue();
710 if (Value == "none" || Value == "zlib" || Value == "zstd") {
711 CmdArgs.push_back(
712 Args.MakeArgString("--compress-debug-sections=" + Twine(Value)));
713 } else {
714 D.Diag(diag::err_drv_unsupported_option_argument)
715 << A->getSpelling() << Value;
716 }
717 }
718 }
719
720 switch (getToolChain().getArch()) {
721 default:
722 break;
723
724
725 case llvm::Triple::x86:
726 CmdArgs.push_back("--32");
727 break;
728 case llvm::Triple::x86_64:
729 if (getToolChain().getTriple().isX32())
730 CmdArgs.push_back("--x32");
731 else
732 CmdArgs.push_back("--64");
733 break;
734 case llvm::Triple::ppc: {
735 CmdArgs.push_back("-a32");
736 CmdArgs.push_back("-mppc");
737 CmdArgs.push_back("-mbig-endian");
739 getCPUName(D, Args, getToolChain().getTriple())));
740 break;
741 }
742 case llvm::Triple::ppcle: {
743 CmdArgs.push_back("-a32");
744 CmdArgs.push_back("-mppc");
745 CmdArgs.push_back("-mlittle-endian");
747 getCPUName(D, Args, getToolChain().getTriple())));
748 break;
749 }
750 case llvm::Triple::ppc64: {
751 CmdArgs.push_back("-a64");
752 CmdArgs.push_back("-mppc64");
753 CmdArgs.push_back("-mbig-endian");
755 getCPUName(D, Args, getToolChain().getTriple())));
756 break;
757 }
758 case llvm::Triple::ppc64le: {
759 CmdArgs.push_back("-a64");
760 CmdArgs.push_back("-mppc64");
761 CmdArgs.push_back("-mlittle-endian");
763 getCPUName(D, Args, getToolChain().getTriple())));
764 break;
765 }
766 case llvm::Triple::riscv32:
767 case llvm::Triple::riscv64: {
768 StringRef ABIName = riscv::getRISCVABI(Args, getToolChain().getTriple());
769 CmdArgs.push_back("-mabi");
770 CmdArgs.push_back(ABIName.data());
771 std::string MArchName =
773 CmdArgs.push_back("-march");
774 CmdArgs.push_back(Args.MakeArgString(MArchName));
775 if (!Args.hasFlag(options::OPT_mrelax, options::OPT_mno_relax, true))
776 Args.addOptOutFlag(CmdArgs, options::OPT_mrelax, options::OPT_mno_relax);
777 break;
778 }
779 case llvm::Triple::sparc:
780 case llvm::Triple::sparcel: {
781 CmdArgs.push_back("-32");
782 std::string CPU = getCPUName(D, Args, getToolChain().getTriple());
783 CmdArgs.push_back(
786 break;
787 }
788 case llvm::Triple::sparcv9: {
789 CmdArgs.push_back("-64");
790 std::string CPU = getCPUName(D, Args, getToolChain().getTriple());
791 CmdArgs.push_back(
794 break;
795 }
796 case llvm::Triple::arm:
797 case llvm::Triple::armeb:
798 case llvm::Triple::thumb:
799 case llvm::Triple::thumbeb: {
800 const llvm::Triple &Triple2 = getToolChain().getTriple();
802 switch (Triple2.getSubArch()) {
803 case llvm::Triple::ARMSubArch_v7:
804 CmdArgs.push_back("-mfpu=neon");
805 break;
806 case llvm::Triple::ARMSubArch_v8:
807 CmdArgs.push_back("-mfpu=crypto-neon-fp-armv8");
808 break;
809 default:
810 break;
811 }
812
816 CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=soft"));
817 break;
819 CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=softfp"));
820 break;
822 CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=hard"));
823 break;
824 }
825
826 Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
828
829 Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ);
830
831
832
833 if (Arg *A = Args.getLastArgNoClaim(options::OPT_mabi_EQ))
834 A->ignoreTargetSpecific();
835 break;
836 }
837 case llvm::Triple::aarch64:
838 case llvm::Triple::aarch64_be: {
839 CmdArgs.push_back(
840 getToolChain().getArch() == llvm::Triple::aarch64_be ? "-EB" : "-EL");
841 Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
843
844 break;
845 }
846
847 case llvm::Triple::loongarch64: {
848 StringRef ABIName =
850 CmdArgs.push_back(Args.MakeArgString("-mabi=" + ABIName));
851 break;
852 }
853 case llvm::Triple::mips:
854 case llvm::Triple::mipsel:
855 case llvm::Triple::mips64:
856 case llvm::Triple::mips64el: {
857 StringRef CPUName;
858 StringRef ABIName;
861
862 CmdArgs.push_back("-march");
863 CmdArgs.push_back(CPUName.data());
864
865 CmdArgs.push_back("-mabi");
866 CmdArgs.push_back(ABIName.data());
867
868
869
870 if (RelocationModel == llvm::Reloc::Static)
871 CmdArgs.push_back("-mno-shared");
872
873
874
875 if (ABIName != "64" && !Args.hasArg(options::OPT_mno_abicalls))
876 CmdArgs.push_back("-call_nonpic");
877
878 if (getToolChain().getTriple().isLittleEndian())
879 CmdArgs.push_back("-EL");
880 else
881 CmdArgs.push_back("-EB");
882
883 if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) {
884 if (StringRef(A->getValue()) == "2008")
885 CmdArgs.push_back(Args.MakeArgString("-mnan=2008"));
886 }
887
888
889 if (Arg *A = Args.getLastArg(options::OPT_mfp32, options::OPT_mfpxx,
890 options::OPT_mfp64)) {
891 A->claim();
892 A->render(Args, CmdArgs);
894 Args, getToolChain().getTriple(), CPUName, ABIName,
896 getToolChain().getTriple())))
897 CmdArgs.push_back("-mfpxx");
898
899
900
901 if (Arg *A =
902 Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16)) {
903 if (A->getOption().matches(options::OPT_mips16)) {
904 A->claim();
905 A->render(Args, CmdArgs);
906 } else {
907 A->claim();
908 CmdArgs.push_back("-no-mips16");
909 }
910 }
911
912 Args.AddLastArg(CmdArgs, options::OPT_mmicromips,
913 options::OPT_mno_micromips);
914 Args.AddLastArg(CmdArgs, options::OPT_mdsp, options::OPT_mno_dsp);
915 Args.AddLastArg(CmdArgs, options::OPT_mdspr2, options::OPT_mno_dspr2);
916
917 if (Arg *A = Args.getLastArg(options::OPT_mmsa, options::OPT_mno_msa)) {
918
919
920 if (A->getOption().matches(options::OPT_mmsa))
921 CmdArgs.push_back(Args.MakeArgString("-mmsa"));
922 }
923
924 Args.AddLastArg(CmdArgs, options::OPT_mhard_float,
925 options::OPT_msoft_float);
926
927 Args.AddLastArg(CmdArgs, options::OPT_mdouble_float,
928 options::OPT_msingle_float);
929
930 Args.AddLastArg(CmdArgs, options::OPT_modd_spreg,
931 options::OPT_mno_odd_spreg);
932
934 break;
935 }
936 case llvm::Triple::systemz: {
937
938
939 std::string CPUName =
941 CmdArgs.push_back(Args.MakeArgString("-march=" + CPUName));
942 break;
943 }
944 case llvm::Triple::ve:
945 DefaultAssembler = "nas";
946 }
947
948 for (const Arg *A : Args.filtered(options::OPT_ffile_prefix_map_EQ,
949 options::OPT_fdebug_prefix_map_EQ)) {
950 StringRef Map = A->getValue();
951 if (!Map.contains('='))
952 D.Diag(diag::err_drv_invalid_argument_to_option)
953 << Map << A->getOption().getName();
954 else {
955 CmdArgs.push_back(Args.MakeArgString("--debug-prefix-map"));
956 CmdArgs.push_back(Args.MakeArgString(Map));
957 }
958 A->claim();
959 }
960
961 Args.AddAllArgs(CmdArgs, options::OPT_I);
962 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
963
964 CmdArgs.push_back("-o");
966
967 for (const auto &II : Inputs)
968 CmdArgs.push_back(II.getFilename());
969
970 if (Arg *A = Args.getLastArg(options::OPT_g_Flag, options::OPT_gN_Group,
971 options::OPT_gdwarf_2, options::OPT_gdwarf_3,
972 options::OPT_gdwarf_4, options::OPT_gdwarf_5,
973 options::OPT_gdwarf))
974 if (!A->getOption().matches(options::OPT_g0)) {
975 Args.AddLastArg(CmdArgs, options::OPT_g_Flag);
976
977 unsigned DwarfVersion = getDwarfVersion(getToolChain(), Args);
978 CmdArgs.push_back(Args.MakeArgString("-gdwarf-" + Twine(DwarfVersion)));
979 }
980
981 const char *Exec =
982 Args.MakeArgString(getToolChain().GetProgramPath(DefaultAssembler));
983 C.addCommand(std::make_unique(JA, *this,
985 Exec, CmdArgs, Inputs, Output));
986
987
988
989
990 if (Args.hasArg(options::OPT_gsplit_dwarf) &&
991 getToolChain().getTriple().isOSLinux())
992 SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
994}
995
996namespace {
997
998class FilterNonExistent {
1000 llvm::vfs::FileSystem &VFS;
1001
1002public:
1003 FilterNonExistent(StringRef Base, StringRef File, llvm::vfs::FileSystem &VFS)
1005 bool operator()(const Multilib &M) {
1007 }
1008};
1009}
1010
1012 Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float,
1013 options::OPT_mfloat_abi_EQ);
1014 if (!A)
1015 return false;
1016
1017 return A->getOption().matches(options::OPT_msoft_float) ||
1018 (A->getOption().matches(options::OPT_mfloat_abi_EQ) &&
1019 A->getValue() == StringRef("soft"));
1020}
1021
1023 return Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb;
1024}
1025
1026static bool isMipsEL(llvm::Triple::ArchType Arch) {
1027 return Arch == llvm::Triple::mipsel || Arch == llvm::Triple::mips64el;
1028}
1029
1031 Arg *A = Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16);
1032 return A && A->getOption().matches(options::OPT_mips16);
1033}
1034
1036 Arg *A = Args.getLastArg(options::OPT_mmicromips, options::OPT_mno_micromips);
1037 return A && A->getOption().matches(options::OPT_mmicromips);
1038}
1039
1040static bool isMSP430(llvm::Triple::ArchType Arch) {
1041 return Arch == llvm::Triple::msp430;
1042}
1043
1046 FilterNonExistent &NonExistent,
1048
1050 {
1052
1053 auto MArchMicroMips =
1055
1057 .flag("-mips16", true)
1058 .flag("-mmicromips", true);
1059
1061
1063
1065
1067 .flag("-msoft-float", true)
1068 .flag("-mnan=2008", true);
1069
1070 auto BigEndian =
1072
1073 auto LittleEndian =
1075
1076
1079 .includeSuffix("/64")
1080 .flag("-mabi=n64")
1081 .flag("-mabi=n32", true)
1082 .flag("-m32", true);
1083
1084 CSMipsMultilibs =
1086 .Either(MArchMips16, MArchMicroMips, MArchDefault)
1088 .Either(SoftFloat, Nan2008, DefaultFloat)
1089 .FilterOut("/micromips/nan2008")
1091 .Either(BigEndian, LittleEndian)
1098 std::vectorstd::string Dirs({"/include"});
1099 if (StringRef(M.includeSuffix()).starts_with("/uclibc"))
1100 Dirs.push_back(
1101 "/../../../../mips-linux-gnu/libc/uclibc/usr/include");
1102 else
1103 Dirs.push_back("/../../../../mips-linux-gnu/libc/usr/include");
1104 return Dirs;
1105 });
1106 }
1107
1109 {
1112 "-mabi=n32");
1113
1116 .includeSuffix("/64")
1117 .flag("-m64")
1118 .flag("-m32", true)
1119 .flag("-mabi=n32", true);
1120
1123 .flag("-m64", true)
1124 .flag("-m32")
1125 .flag("-mabi=n32", true);
1126
1128 .Either(M32, M64, MAbiN32)
1131 }
1132
1133
1134
1135 MultilibSet *Candidates[] = {&CSMipsMultilibs, &DebianMipsMultilibs};
1136 if (CSMipsMultilibs.size() < DebianMipsMultilibs.size())
1137 std::iter_swap(Candidates, Candidates + 1);
1138 for (const MultilibSet *Candidate : Candidates) {
1139 if (Candidate->select(D, Flags, Result.SelectedMultilibs)) {
1140 if (Candidate == &DebianMipsMultilibs)
1142 Result.Multilibs = *Candidate;
1143 return true;
1144 }
1145 }
1146 return false;
1147}
1148
1150 llvm::vfs::FileSystem &VFS, StringRef Path,
1152 FilterNonExistent &NonExistent,
1154
1161
1166 .flag("-march=mips32r2"),
1168 .flag("-march=mips32r6"))
1171
1176 .flag("-march=mips32"),
1178 .flag("-march=mips32r2"),
1180 .flag("-march=mips32r6"))
1183
1184 MultilibSet *MS = &AndroidMipsMultilibs;
1185 if (VFS.exists(Path + "/mips-r6"))
1186 MS = &AndroidMipselMultilibs;
1187 else if (VFS.exists(Path + "/32"))
1188 MS = &AndroidMips64elMultilibs;
1189 if (MS->select(D, Flags, Result.SelectedMultilibs)) {
1190 Result.Multilibs = *MS;
1191 return true;
1192 }
1193 return false;
1194}
1195
1198 FilterNonExistent &NonExistent,
1200
1202 {
1204 .osSuffix("/mips-r2-hard-musl")
1205 .flag("-EB")
1206 .flag("-EL", true)
1207 .flag("-march=mips32r2");
1208
1209 auto MArchMipselR2 = MultilibBuilder("/mipsel-r2-hard-musl")
1210 .flag("-EB", true)
1211 .flag("-EL")
1212 .flag("-march=mips32r2");
1213
1215 .Either(MArchMipsR2, MArchMipselR2)
1217
1218
1220 return std::vectorstd::string(
1221 {"/../sysroot" + M.osSuffix() + "/usr/include"});
1222 });
1223 }
1224 if (MuslMipsMultilibs.select(D, Flags, Result.SelectedMultilibs)) {
1225 Result.Multilibs = MuslMipsMultilibs;
1226 return true;
1227 }
1228 return false;
1229}
1230
1233 FilterNonExistent &NonExistent,
1235
1237 {
1239 .flag("-m32")
1240 .flag("-m64", true)
1241 .flag("-mmicromips", true)
1242 .flag("-march=mips32");
1243
1245 .flag("-m32")
1246 .flag("-m64", true)
1247 .flag("-mmicromips");
1248
1250 .flag("-m32", true)
1251 .flag("-m64")
1252 .flag("-march=mips64r2");
1253
1255 .flag("-m32", true)
1256 .flag("-m64")
1257 .flag("-march=mips64r2", true);
1258
1260 .flag("-m32")
1261 .flag("-m64", true)
1262 .flag("-mmicromips", true)
1263 .flag("-march=mips32r2");
1264
1266
1268
1270 .flag("-mabi=n64")
1271 .flag("-mabi=n32", true)
1272 .flag("-m32", true);
1273
1274 auto BigEndian =
1276
1277 auto LittleEndian =
1279
1281
1283
1284 MtiMipsMultilibsV1 =
1286 .Either(MArchMips32, MArchMicroMips, MArchMips64r2, MArchMips64,
1287 MArchDefault)
1298 .Either(BigEndian, LittleEndian)
1299 .Maybe(SoftFloat)
1305 std::vectorstd::string Dirs({"/include"});
1306 if (StringRef(M.includeSuffix()).starts_with("/uclibc"))
1307 Dirs.push_back("/../../../../sysroot/uclibc/usr/include");
1308 else
1309 Dirs.push_back("/../../../../sysroot/usr/include");
1310 return Dirs;
1311 });
1312 }
1313
1314
1316 {
1318 .flag("-EB")
1319 .flag("-msoft-float", true)
1320 .flag("-mnan=2008", true)
1321 .flag("-muclibc", true);
1323 .flag("-EB")
1324 .flag("-msoft-float")
1325 .flag("-mnan=2008", true);
1327 .flag("-EL")
1328 .flag("-msoft-float", true)
1329 .flag("-mnan=2008", true)
1330 .flag("-muclibc", true);
1332 .flag("-EL")
1333 .flag("-msoft-float")
1334 .flag("-mnan=2008", true)
1335 .flag("-mmicromips", true);
1336 auto BeHardNan = MultilibBuilder("/mips-r2-hard-nan2008")
1337 .flag("-EB")
1338 .flag("-msoft-float", true)
1339 .flag("-mnan=2008")
1340 .flag("-muclibc", true);
1341 auto ElHardNan = MultilibBuilder("/mipsel-r2-hard-nan2008")
1342 .flag("-EL")
1343 .flag("-msoft-float", true)
1344 .flag("-mnan=2008")
1345 .flag("-muclibc", true)
1346 .flag("-mmicromips", true);
1347 auto BeHardNanUclibc = MultilibBuilder("/mips-r2-hard-nan2008-uclibc")
1348 .flag("-EB")
1349 .flag("-msoft-float", true)
1350 .flag("-mnan=2008")
1351 .flag("-muclibc");
1352 auto ElHardNanUclibc = MultilibBuilder("/mipsel-r2-hard-nan2008-uclibc")
1353 .flag("-EL")
1354 .flag("-msoft-float", true)
1355 .flag("-mnan=2008")
1356 .flag("-muclibc");
1357 auto BeHardUclibc = MultilibBuilder("/mips-r2-hard-uclibc")
1358 .flag("-EB")
1359 .flag("-msoft-float", true)
1360 .flag("-mnan=2008", true)
1361 .flag("-muclibc");
1362 auto ElHardUclibc = MultilibBuilder("/mipsel-r2-hard-uclibc")
1363 .flag("-EL")
1364 .flag("-msoft-float", true)
1365 .flag("-mnan=2008", true)
1366 .flag("-muclibc");
1367 auto ElMicroHardNan = MultilibBuilder("/micromipsel-r2-hard-nan2008")
1368 .flag("-EL")
1369 .flag("-msoft-float", true)
1370 .flag("-mnan=2008")
1371 .flag("-mmicromips");
1372 auto ElMicroSoft = MultilibBuilder("/micromipsel-r2-soft")
1373 .flag("-EL")
1374 .flag("-msoft-float")
1375 .flag("-mnan=2008", true)
1376 .flag("-mmicromips");
1377
1380 .flag("-mabi=n32", true)
1381 .flag("-mabi=n64", true);
1384 .flag("-mabi=n32")
1385 .flag("-mabi=n64", true);
1388 .flag("-mabi=n32", true)
1389 .flag("-mabi=n64");
1390
1391 MtiMipsMultilibsV2 =
1393 .Either({BeHard, BeSoft, ElHard, ElSoft, BeHardNan, ElHardNan,
1394 BeHardNanUclibc, ElHardNanUclibc, BeHardUclibc,
1395 ElHardUclibc, ElMicroHardNan, ElMicroSoft})
1396 .Either(O32, N32, N64)
1400 return std::vectorstd::string({"/../../../../sysroot" +
1402 "/../usr/include"});
1403 })
1404 .setFilePathsCallback([](const Multilib &M) {
1405 return std::vectorstd::string(
1406 {"/../../../../mips-mti-linux-gnu/lib" + M.gccSuffix()});
1407 });
1408 }
1409 for (auto *Candidate : {&MtiMipsMultilibsV1, &MtiMipsMultilibsV2}) {
1410 if (Candidate->select(D, Flags, Result.SelectedMultilibs)) {
1411 Result.Multilibs = *Candidate;
1412 return true;
1413 }
1414 }
1415 return false;
1416}
1417
1420 FilterNonExistent &NonExistent,
1422
1424 {
1426 .flag("-m64")
1427 .flag("-m32", true);
1428
1429 auto LittleEndian =
1431
1433 .flag("-mabi=n64")
1434 .flag("-mabi=n32", true)
1435 .flag("-m32", true);
1436
1437 ImgMultilibsV1 =
1439 .Maybe(Mips64r6)
1441 .Maybe(LittleEndian)
1445 return std::vectorstd::string(
1446 {"/include", "/../../../../sysroot/usr/include"});
1447 });
1448 }
1449
1450
1452 {
1454 .flag("-EB")
1455 .flag("-msoft-float", true)
1456 .flag("-mmicromips", true);
1458 .flag("-EB")
1459 .flag("-msoft-float")
1460 .flag("-mmicromips", true);
1462 .flag("-EL")
1463 .flag("-msoft-float", true)
1464 .flag("-mmicromips", true);
1466 .flag("-EL")
1467 .flag("-msoft-float")
1468 .flag("-mmicromips", true);
1469 auto BeMicroHard = MultilibBuilder("/micromips-r6-hard")
1470 .flag("-EB")
1471 .flag("-msoft-float", true)
1472 .flag("-mmicromips");
1473 auto BeMicroSoft = MultilibBuilder("/micromips-r6-soft")
1474 .flag("-EB")
1475 .flag("-msoft-float")
1476 .flag("-mmicromips");
1477 auto ElMicroHard = MultilibBuilder("/micromipsel-r6-hard")
1478 .flag("-EL")
1479 .flag("-msoft-float", true)
1480 .flag("-mmicromips");
1481 auto ElMicroSoft = MultilibBuilder("/micromipsel-r6-soft")
1482 .flag("-EL")
1483 .flag("-msoft-float")
1484 .flag("-mmicromips");
1485
1488 .flag("-mabi=n32", true)
1489 .flag("-mabi=n64", true);
1492 .flag("-mabi=n32")
1493 .flag("-mabi=n64", true);
1496 .flag("-mabi=n32", true)
1497 .flag("-mabi=n64");
1498
1499 ImgMultilibsV2 =
1501 .Either({BeHard, BeSoft, ElHard, ElSoft, BeMicroHard, BeMicroSoft,
1502 ElMicroHard, ElMicroSoft})
1503 .Either(O32, N32, N64)
1507 return std::vectorstd::string({"/../../../../sysroot" +
1509 "/../usr/include"});
1510 })
1511 .setFilePathsCallback([](const Multilib &M) {
1512 return std::vectorstd::string(
1513 {"/../../../../mips-img-linux-gnu/lib" + M.gccSuffix()});
1514 });
1515 }
1516 for (auto *Candidate : {&ImgMultilibsV1, &ImgMultilibsV2}) {
1517 if (Candidate->select(D, Flags, Result.SelectedMultilibs)) {
1518 Result.Multilibs = *Candidate;
1519 return true;
1520 }
1521 }
1522 return false;
1523}
1524
1526 const llvm::Triple &TargetTriple,
1527 StringRef Path, const ArgList &Args,
1529 FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
1530
1531 StringRef CPUName;
1532 StringRef ABIName;
1534
1535 llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
1536
1538 addMultilibFlag(TargetTriple.isMIPS32(), "-m32", Flags);
1539 addMultilibFlag(TargetTriple.isMIPS64(), "-m64", Flags);
1541 addMultilibFlag(CPUName == "mips32", "-march=mips32", Flags);
1542 addMultilibFlag(CPUName == "mips32r2" || CPUName == "mips32r3" ||
1543 CPUName == "mips32r5" || CPUName == "p5600",
1544 "-march=mips32r2", Flags);
1545 addMultilibFlag(CPUName == "mips32r6", "-march=mips32r6", Flags);
1546 addMultilibFlag(CPUName == "mips64", "-march=mips64", Flags);
1547 addMultilibFlag(CPUName == "mips64r2" || CPUName == "mips64r3" ||
1548 CPUName == "mips64r5" || CPUName == "octeon" ||
1549 CPUName == "octeon+",
1550 "-march=mips64r2", Flags);
1551 addMultilibFlag(CPUName == "mips64r6", "-march=mips64r6", Flags);
1555 Flags);
1562
1563 if (TargetTriple.isAndroid())
1566
1567 if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies &&
1568 TargetTriple.getOS() == llvm::Triple::Linux &&
1569 TargetTriple.getEnvironment() == llvm::Triple::UnknownEnvironment)
1571
1572 if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies &&
1573 TargetTriple.getOS() == llvm::Triple::Linux &&
1574 TargetTriple.isGNUEnvironment())
1576
1577 if (TargetTriple.getVendor() == llvm::Triple::ImaginationTechnologies &&
1578 TargetTriple.getOS() == llvm::Triple::Linux &&
1579 TargetTriple.isGNUEnvironment())
1581
1583 return true;
1584
1585
1588 Result.Multilibs.FilterOut(NonExistent);
1589
1590 if (Result.Multilibs.select(D, Flags, Result.SelectedMultilibs)) {
1592 return true;
1593 }
1594
1595 return false;
1596}
1597
1599 const llvm::Triple &TargetTriple,
1600 StringRef Path, const ArgList &Args,
1602
1603 FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
1605 .flag("-march=armv7-a")
1606 .flag("-mthumb", true);
1608 .flag("-march=armv7-a", true)
1609 .flag("-mthumb");
1614 .flag("-march=armv7-a", true)
1615 .flag("-mthumb", true);
1618 .Either(ThumbMultilib, ArmV7Multilib, ArmV7ThumbMultilib,
1619 DefaultMultilib)
1622
1624 llvm::StringRef Arch = Args.getLastArgValue(options::OPT_march_EQ);
1625 bool IsArmArch = TargetTriple.getArch() == llvm::Triple::arm;
1626 bool IsThumbArch = TargetTriple.getArch() == llvm::Triple::thumb;
1627 bool IsV7SubArch = TargetTriple.getSubArch() == llvm::Triple::ARMSubArch_v7;
1628 bool IsThumbMode = IsThumbArch ||
1629 Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, false) ||
1630 (IsArmArch && llvm::ARM::parseArchISA(Arch) == llvm::ARM::ISAKind::THUMB);
1631 bool IsArmV7Mode = (IsArmArch || IsThumbArch) &&
1632 (llvm::ARM::parseArchVersion(Arch) == 7 ||
1633 (IsArmArch && Arch == "" && IsV7SubArch));
1634 addMultilibFlag(IsArmV7Mode, "-march=armv7-a", Flags);
1635 addMultilibFlag(IsThumbMode, "-mthumb", Flags);
1636
1637 if (AndroidArmMultilibs.select(D, Flags, Result.SelectedMultilibs))
1638 Result.Multilibs = AndroidArmMultilibs;
1639}
1640
1642 const llvm::Triple &TargetTriple,
1643 StringRef Path, const ArgList &Args,
1645 FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
1650
1651
1652
1653
1654
1657 Result.Multilibs.FilterOut(NonExistent);
1658
1660 addMultilibFlag(Args.hasFlag(options::OPT_fexceptions,
1661 options::OPT_fno_exceptions, false),
1662 "-exceptions", Flags);
1663 if (Result.Multilibs.select(D, Flags, Result.SelectedMultilibs))
1664 return true;
1665
1666 return false;
1667}
1668
1670 StringRef Path, const ArgList &Args,
1672 FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
1673
1675 std::optionalllvm::StringRef Res =
1677
1678 if (!Res)
1679 return;
1680 auto ARCHName = *Res;
1681
1684 Flags);
1686 Flags);
1688 addMultilibFlag(ARCHName == "ck801", "-march=ck801", Flags);
1689 addMultilibFlag(ARCHName == "ck802", "-march=ck802", Flags);
1690 addMultilibFlag(ARCHName == "ck803", "-march=ck803", Flags);
1691 addMultilibFlag(ARCHName == "ck804", "-march=ck804", Flags);
1692 addMultilibFlag(ARCHName == "ck805", "-march=ck805", Flags);
1693 addMultilibFlag(ARCHName == "ck807", "-march=ck807", Flags);
1694 addMultilibFlag(ARCHName == "ck810", "-march=ck810", Flags);
1695 addMultilibFlag(ARCHName == "ck810v", "-march=ck810v", Flags);
1696 addMultilibFlag(ARCHName == "ck860", "-march=ck860", Flags);
1697 addMultilibFlag(ARCHName == "ck860v", "-march=ck860v", Flags);
1698
1699 bool isBigEndian = false;
1700 if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
1701 options::OPT_mbig_endian))
1702 isBigEndian = !A->getOption().matches(options::OPT_mlittle_endian);
1703 addMultilibFlag(isBigEndian, "-EB", Flags);
1704
1711
1720
1723 .Maybe(BigEndian)
1724 .Either({Arch801, Arch802, Arch803, Arch804, Arch805, Arch807,
1725 Arch810, Arch810v, Arch860, Arch860v})
1726 .Either(HardFloat, SoftFpFloat, SoftFloat)
1729
1730 if (CSKYMultilibs.select(D, Flags, Result.SelectedMultilibs))
1731 Result.Multilibs = CSKYMultilibs;
1732}
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744static bool
1748
1749 if (RISCVMultilibSet.select(D, Flags, SelectedMultilibs))
1750 return true;
1751
1753 std::vector NewMultilibs;
1754
1756 llvm::RISCVISAInfo::parseArchString(
1757 Arch, true,
1758 false);
1759
1760 if (llvm::errorToBool(ParseResult.takeError()))
1761 return false;
1762
1763 auto &ISAInfo = *ParseResult;
1764
1765 addMultilibFlag(ISAInfo->getXLen() == 32, "-m32", NewFlags);
1766 addMultilibFlag(ISAInfo->getXLen() == 64, "-m64", NewFlags);
1767
1768
1769 for (StringRef Flag : Flags) {
1770 if (Flag.starts_with("!march=") || Flag.starts_with("-march="))
1771 continue;
1772
1773 NewFlags.push_back(Flag.str());
1774 }
1775
1776 llvm::StringSet<> AllArchExts;
1777
1778
1779 for (const auto &M : RISCVMultilibSet) {
1780 bool Skip = false;
1781
1783 MultilibBuilder(M.gccSuffix(), M.osSuffix(), M.includeSuffix());
1784 for (StringRef Flag : M.flags()) {
1785
1786 if (!Flag.consume_front("-march=")) {
1787 NewMultilib.flag(Flag);
1788 continue;
1789 }
1790
1791
1793 llvm::RISCVISAInfo::parseArchString(
1794 Flag, true,
1795 false);
1796
1797 if (llvm::errorToBool(MLConfigParseResult.takeError())) {
1798
1799
1800 Skip = true;
1801 continue;
1802 }
1803 auto &MLConfigISAInfo = *MLConfigParseResult;
1804
1805 for (auto &MLConfigArchExt : MLConfigISAInfo->getExtensions()) {
1806 auto ExtName = MLConfigArchExt.first;
1807 NewMultilib.flag(Twine("-", ExtName).str());
1808
1809 if (AllArchExts.insert(ExtName).second) {
1810 addMultilibFlag(ISAInfo->hasExtension(ExtName),
1811 Twine("-", ExtName).str(), NewFlags);
1812 }
1813 }
1814
1815
1816 if (MLConfigISAInfo->getXLen() == 32) {
1817 NewMultilib.flag("-m32");
1818 NewMultilib.flag("-m64", true);
1819 } else {
1820 NewMultilib.flag("-m32", true);
1821 NewMultilib.flag("-m64");
1822 }
1823
1824
1825
1826 if (!MLConfigISAInfo->hasExtension("a"))
1827 NewMultilib.flag("-a", true);
1828 }
1829
1831 continue;
1832
1833 NewMultilibs.emplace_back(NewMultilib);
1834 }
1835
1836
1837
1840
1841 if (NewRISCVMultilibs.select(D, NewFlags, SelectedMultilibs))
1842 for (const Multilib &NewSelectedM : SelectedMultilibs)
1843 for (const auto &M : RISCVMultilibSet)
1844
1845 if (M.gccSuffix() == NewSelectedM.gccSuffix())
1846 return true;
1847
1848 return false;
1849}
1850
1852 const llvm::Triple &TargetTriple,
1853 StringRef Path, const ArgList &Args,
1855 FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
1856 struct RiscvMultilib {
1857 StringRef march;
1858 StringRef mabi;
1859 };
1860
1861
1862 constexpr RiscvMultilib RISCVMultilibSet[] = {
1863 {"rv32i", "ilp32"}, {"rv32im", "ilp32"}, {"rv32iac", "ilp32"},
1864 {"rv32imac", "ilp32"}, {"rv32imafc", "ilp32f"}, {"rv64imac", "lp64"},
1865 {"rv64imafdc", "lp64d"}};
1866
1867 std::vector Ms;
1868 for (auto Element : RISCVMultilibSet) {
1869
1870 Ms.emplace_back(
1872 (Twine(Element.march) + "/" + Twine(Element.mabi)).str())
1873 .flag(Twine("-march=", Element.march).str())
1874 .flag(Twine("-mabi=", Element.mabi).str()));
1875 }
1882 return std::vectorstd::string(
1884 "/../../../../riscv64-unknown-elf/lib" + M.gccSuffix(),
1885 "/../../../../riscv32-unknown-elf/lib" + M.gccSuffix()});
1886 });
1887
1889 llvm::StringSet<> Added_ABIs;
1892 for (auto Element : RISCVMultilibSet) {
1893 addMultilibFlag(MArch == Element.march,
1894 Twine("-march=", Element.march).str().c_str(), Flags);
1895 if (!Added_ABIs.count(Element.mabi)) {
1896 Added_ABIs.insert(Element.mabi);
1897 addMultilibFlag(ABIName == Element.mabi,
1898 Twine("-mabi=", Element.mabi).str().c_str(), Flags);
1899 }
1900 }
1901
1903 Result.SelectedMultilibs))
1904 Result.Multilibs = RISCVMultilibs;
1905}
1906
1908 const llvm::Triple &TargetTriple, StringRef Path,
1910 if (TargetTriple.getOS() == llvm::Triple::UnknownOS)
1912
1913 FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
1928 .Either({Ilp32, Ilp32f, Ilp32d, Lp64, Lp64f, Lp64d})
1929 .makeMultilibSet()
1931
1933 bool IsRV64 = TargetTriple.getArch() == llvm::Triple::riscv64;
1935
1936 addMultilibFlag(!IsRV64, "-m32", Flags);
1937 addMultilibFlag(IsRV64, "-m64", Flags);
1938 addMultilibFlag(ABIName == "ilp32", "-mabi=ilp32", Flags);
1939 addMultilibFlag(ABIName == "ilp32f", "-mabi=ilp32f", Flags);
1940 addMultilibFlag(ABIName == "ilp32d", "-mabi=ilp32d", Flags);
1941 addMultilibFlag(ABIName == "lp64", "-mabi=lp64", Flags);
1942 addMultilibFlag(ABIName == "lp64f", "-mabi=lp64f", Flags);
1943 addMultilibFlag(ABIName == "lp64d", "-mabi=lp64d", Flags);
1944
1945 if (RISCVMultilibs.select(D, Flags, Result.SelectedMultilibs))
1946 Result.Multilibs = RISCVMultilibs;
1947}
1948
1950 const llvm::Triple &TargetTriple,
1951 StringRef Path, const ArgList &Args,
1952 bool NeedsBiarchSuffix,
1955
1956
1957
1958
1959
1960
1961
1962
1963 StringRef Suff64 = "/64";
1964
1965 if (TargetTriple.isOSSolaris()) {
1966 switch (TargetTriple.getArch()) {
1967 case llvm::Triple::x86:
1968 case llvm::Triple::x86_64:
1969 Suff64 = "/amd64";
1970 break;
1971 case llvm::Triple::sparc:
1972 case llvm::Triple::sparcv9:
1973 Suff64 = "/sparcv9";
1974 break;
1975 default:
1976 break;
1977 }
1978 }
1979
1982 .includeSuffix(Suff64)
1983 .flag("-m32", true)
1984 .flag("-m64")
1985 .flag("-mx32", true)
1986 .makeMultilib();
1989 .includeSuffix("/32")
1990 .flag("-m32")
1991 .flag("-m64", true)
1992 .flag("-mx32", true)
1993 .makeMultilib();
1996 .includeSuffix("/x32")
1997 .flag("-m32", true)
1998 .flag("-m64", true)
1999 .flag("-mx32")
2000 .makeMultilib();
2003 .includeSuffix("/sparcv8plus")
2004 .flag("-m32")
2005 .flag("-m64", true)
2006 .makeMultilib();
2007
2008
2009 FilterNonExistent NonExistent(
2010 Path, TargetTriple.isOSIAMCU() ? "/libgcc.a" : "/crtbegin.o", D.getVFS());
2011
2012
2013
2014 enum { UNKNOWN, WANT32, WANT64, WANTX32 } Want = UNKNOWN;
2015 const bool IsX32 = TargetTriple.isX32();
2016 if (TargetTriple.isArch32Bit() && !NonExistent(Alt32))
2017 Want = WANT64;
2018 if (TargetTriple.isArch32Bit() && !NonExistent(Alt32sparc))
2019 Want = WANT64;
2020 else if (TargetTriple.isArch64Bit() && IsX32 && !NonExistent(Altx32))
2021 Want = WANT64;
2022 else if (TargetTriple.isArch64Bit() && !IsX32 && !NonExistent(Alt64))
2023 Want = WANT32;
2024 else if (TargetTriple.isArch64Bit() && !NonExistent(Alt32sparc))
2025 Want = WANT64;
2026 else {
2027 if (TargetTriple.isArch32Bit())
2028 Want = NeedsBiarchSuffix ? WANT64 : WANT32;
2029 else if (IsX32)
2030 Want = NeedsBiarchSuffix ? WANT64 : WANTX32;
2031 else
2032 Want = NeedsBiarchSuffix ? WANT32 : WANT64;
2033 }
2034
2035 if (Want == WANT32)
2036 DefaultBuilder.flag("-m32")
2037 .flag("-m64", true)
2038 .flag("-mx32", true);
2039 else if (Want == WANT64)
2040 DefaultBuilder.flag("-m32", true)
2041 .flag("-m64")
2042 .flag("-mx32", true);
2043 else if (Want == WANTX32)
2044 DefaultBuilder.flag("-m32", true)
2045 .flag("-m64", true)
2046 .flag("-mx32");
2047 else
2048 return false;
2049
2051
2053 Result.Multilibs.push_back(Alt64);
2054 Result.Multilibs.push_back(Alt32);
2055 Result.Multilibs.push_back(Altx32);
2056 Result.Multilibs.push_back(Alt32sparc);
2057
2058 Result.Multilibs.FilterOut(NonExistent);
2059
2061 addMultilibFlag(TargetTriple.isArch64Bit() && !IsX32, "-m64", Flags);
2062 addMultilibFlag(TargetTriple.isArch32Bit(), "-m32", Flags);
2063 addMultilibFlag(TargetTriple.isArch64Bit() && IsX32, "-mx32", Flags);
2064
2065 if (.Multilibs.select(D, Flags, Result.SelectedMultilibs))
2066 return false;
2067
2068 if (Result.SelectedMultilibs.back() == Alt64 ||
2069 Result.SelectedMultilibs.back() == Alt32 ||
2070 Result.SelectedMultilibs.back() == Altx32 ||
2071 Result.SelectedMultilibs.back() == Alt32sparc)
2073
2074 return true;
2075}
2076
2077
2078
2079
2080
2081
2083 int RHSPatch,
2084 StringRef RHSPatchSuffix) const {
2085 if (Major != RHSMajor)
2086 return Major < RHSMajor;
2087 if (Minor != RHSMinor) {
2088
2089
2090 if (RHSMinor == -1)
2091 return true;
2092 if (Minor == -1)
2093 return false;
2094 return Minor < RHSMinor;
2095 }
2096 if (Patch != RHSPatch) {
2097
2098
2099 if (RHSPatch == -1)
2100 return true;
2101 if (Patch == -1)
2102 return false;
2103
2104
2105 return Patch < RHSPatch;
2106 }
2107 if (PatchSuffix != RHSPatchSuffix) {
2108
2109 if (RHSPatchSuffix.empty())
2110 return true;
2111 if (PatchSuffix.empty())
2112 return false;
2113
2114
2115 return PatchSuffix < RHSPatchSuffix;
2116 }
2117
2118
2119 return false;
2120}
2121
2122
2123
2124
2125
2127 const GCCVersion BadVersion = {VersionText.str(), -1, -1, -1, "", "", ""};
2128 std::pair<StringRef, StringRef> First = VersionText.split('.');
2129 std::pair<StringRef, StringRef> Second = First.second.split('.');
2130
2131 StringRef MajorStr = First.first;
2132 StringRef MinorStr = Second.first;
2133 StringRef PatchStr = Second.second;
2134
2135 GCCVersion GoodVersion = {VersionText.str(), -1, -1, -1, "", "", ""};
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151 auto TryParseLastNumber = [&](StringRef Segment, int &Number,
2152 std::string &OutStr) -> bool {
2153
2154
2155
2156 if (size_t EndNumber = Segment.find_first_not_of("0123456789")) {
2157 StringRef NumberStr = Segment.slice(0, EndNumber);
2158 if (NumberStr.getAsInteger(10, Number) || Number < 0)
2159 return false;
2160 OutStr = NumberStr;
2161 GoodVersion.PatchSuffix = Segment.substr(EndNumber);
2162 return true;
2163 }
2164 return false;
2165 };
2166 auto TryParseNumber = [](StringRef Segment, int &Number) -> bool {
2167 if (Segment.getAsInteger(10, Number) || Number < 0)
2168 return false;
2169 return true;
2170 };
2171
2172 if (MinorStr.empty()) {
2173
2174 if (!TryParseLastNumber(MajorStr, GoodVersion.Major, GoodVersion.MajorStr))
2175 return BadVersion;
2176 return GoodVersion;
2177 }
2178
2179 if (!TryParseNumber(MajorStr, GoodVersion.Major))
2180 return BadVersion;
2181 GoodVersion.MajorStr = MajorStr;
2182
2183 if (PatchStr.empty()) {
2184
2185 if (!TryParseLastNumber(MinorStr, GoodVersion.Minor, GoodVersion.MinorStr))
2186 return BadVersion;
2187 return GoodVersion;
2188 }
2189
2190 if (!TryParseNumber(MinorStr, GoodVersion.Minor))
2191 return BadVersion;
2192 GoodVersion.MinorStr = MinorStr;
2193
2194
2195 std::string DummyStr;
2196 TryParseLastNumber(PatchStr, GoodVersion.Patch, DummyStr);
2197 return GoodVersion;
2198}
2199
2201 llvm::StringRef SysRoot) {
2202 const Arg *A = Args.getLastArg(clang::driver::options::OPT_gcc_toolchain);
2203 if (A)
2204 return A->getValue();
2205
2206
2207
2208
2209 if (!SysRoot.empty())
2210 return "";
2211
2212 return GCC_INSTALL_PREFIX;
2213}
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2225 const llvm::Triple &TargetTriple, const ArgList &Args) {
2226 llvm::Triple BiarchVariantTriple = TargetTriple.isArch32Bit()
2227 ? TargetTriple.get64BitArchVariant()
2228 : TargetTriple.get32BitArchVariant();
2229
2231
2234
2235 CandidateTripleAliases.push_back(TargetTriple.str());
2236 std::string TripleNoVendor, BiarchTripleNoVendor;
2237 if (TargetTriple.getVendor() == llvm::Triple::UnknownVendor) {
2238 StringRef OSEnv = TargetTriple.getOSAndEnvironmentName();
2239 if (TargetTriple.getEnvironment() == llvm::Triple::GNUX32)
2240 OSEnv = "linux-gnu";
2241 TripleNoVendor = (TargetTriple.getArchName().str() + '-' + OSEnv).str();
2242 CandidateTripleAliases.push_back(TripleNoVendor);
2243 if (BiarchVariantTriple.getArch() != llvm::Triple::UnknownArch) {
2244 BiarchTripleNoVendor =
2245 (BiarchVariantTriple.getArchName().str() + '-' + OSEnv).str();
2246 CandidateBiarchTripleAliases.push_back(BiarchTripleNoVendor);
2247 }
2248 }
2249
2250 CollectLibDirsAndTriples(TargetTriple, BiarchVariantTriple, CandidateLibDirs,
2251 CandidateTripleAliases, CandidateBiarchLibDirs,
2252 CandidateBiarchTripleAliases);
2253
2254
2255 if (const Arg *A =
2256 Args.getLastArg(clang::driver::options::OPT_gcc_install_dir_EQ);
2257 A && A->getValue()[0]) {
2258 StringRef InstallDir = A->getValue();
2259 if (!ScanGCCForMultilibs(TargetTriple, Args, InstallDir, false)) {
2260 D.Diag(diag::err_drv_invalid_gcc_install_dir) << InstallDir;
2261 } else {
2262 (void)InstallDir.consume_back("/");
2263 StringRef VersionText = llvm::sys::path::filename(InstallDir);
2264 StringRef TripleText =
2265 llvm::sys::path::filename(llvm::sys::path::parent_path(InstallDir));
2266
2267 Version = GCCVersion::Parse(VersionText);
2268 GCCTriple.setTriple(TripleText);
2269 GCCInstallPath = std::string(InstallDir);
2270 GCCParentLibPath = GCCInstallPath + "/../../..";
2271 IsValid = true;
2272 }
2273 return;
2274 }
2275
2276
2277
2278 if (const Arg *A =
2279 Args.getLastArg(clang::driver::options::OPT_gcc_triple_EQ)) {
2280 StringRef GCCTriple = A->getValue();
2281 CandidateTripleAliases.clear();
2282 CandidateTripleAliases.push_back(GCCTriple);
2283 }
2284
2285
2288 if (GCCToolchainDir != "") {
2289 if (GCCToolchainDir.back() == '/')
2290 GCCToolchainDir = GCCToolchainDir.drop_back();
2291
2292 Prefixes.push_back(std::string(GCCToolchainDir));
2293 } else {
2294
2295 if (.SysRoot.empty()) {
2296 Prefixes.push_back(D.SysRoot);
2297 AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);
2298 }
2299
2300
2301 Prefixes.push_back(D.Dir + "/..");
2302
2303
2304
2305 if (D.SysRoot.empty()) {
2306
2307 AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot);
2308 }
2309
2310
2311
2312
2314
2315
2316
2317
2318
2319 GentooTestTriples.push_back(TargetTriple.str());
2320 GentooTestTriples.append(CandidateTripleAliases.begin(),
2321 CandidateTripleAliases.end());
2322 if (ScanGentooConfigs(TargetTriple, Args, GentooTestTriples,
2323 CandidateBiarchTripleAliases))
2324 return;
2325 }
2326
2327
2328
2329 const GCCVersion VersionZero = GCCVersion::Parse("0.0.0");
2330 Version = VersionZero;
2331 for (const std::string &Prefix : Prefixes) {
2332 auto &VFS = D.getVFS();
2333 if (!VFS.exists(Prefix))
2334 continue;
2335 for (StringRef Suffix : CandidateLibDirs) {
2336 const std::string LibDir = concat(Prefix, Suffix);
2337 if (!VFS.exists(LibDir))
2338 continue;
2339
2340 bool GCCDirExists = VFS.exists(LibDir + "/gcc");
2341 bool GCCCrossDirExists = VFS.exists(LibDir + "/gcc-cross");
2342 for (StringRef Candidate : CandidateTripleAliases)
2343 ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, false,
2344 GCCDirExists, GCCCrossDirExists);
2345 }
2346 for (StringRef Suffix : CandidateBiarchLibDirs) {
2347 const std::string LibDir = Prefix + Suffix.str();
2348 if (!VFS.exists(LibDir))
2349 continue;
2350 bool GCCDirExists = VFS.exists(LibDir + "/gcc");
2351 bool GCCCrossDirExists = VFS.exists(LibDir + "/gcc-cross");
2352 for (StringRef Candidate : CandidateBiarchTripleAliases)
2353 ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, true,
2354 GCCDirExists, GCCCrossDirExists);
2355 }
2356
2357
2358 if (Version > VersionZero)
2359 break;
2360 }
2361}
2362
2364 for (const auto &InstallPath : CandidateGCCInstallPaths)
2365 OS << "Found candidate GCC installation: " << InstallPath << "\n";
2366
2367 if (!GCCInstallPath.empty())
2368 OS << "Selected GCC installation: " << GCCInstallPath << "\n";
2369
2370 for (const auto &Multilib : Multilibs)
2371 OS << "Candidate multilib: " << Multilib << "\n";
2372
2373 if (Multilibs.size() != 0 || !SelectedMultilib.isDefault())
2374 OS << "Selected multilib: " << SelectedMultilib << "\n";
2375}
2376
2378 if (BiarchSibling) {
2379 M = *BiarchSibling;
2380 return true;
2381 }
2382 return false;
2383}
2384
2385void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
2387 StringRef SysRoot) {
2388
2389 if (TargetTriple.isOSHaiku()) {
2390 Prefixes.push_back(concat(SysRoot, "/boot/system/develop/tools"));
2391 return;
2392 }
2393
2394 if (TargetTriple.isOSSolaris()) {
2395
2396
2397
2398
2399
2400
2402 std::string PrefixDir = concat(SysRoot, "/usr/gcc");
2403 std::error_code EC;
2404 for (llvm::vfs::directory_iterator LI = D.getVFS().dir_begin(PrefixDir, EC),
2405 LE;
2406 !EC && LI != LE; LI = LI.increment(EC)) {
2407 StringRef VersionText = llvm::sys::path::filename(LI->path());
2408 GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
2409
2410
2411 if (CandidateVersion.Major == -1 || CandidateVersion.isOlderThan(4, 1, 1))
2412 continue;
2413
2414 std::string CandidatePrefix = PrefixDir + "/" + VersionText.str();
2415 std::string CandidateLibPath = CandidatePrefix + "/lib/gcc";
2416 if (.getVFS().exists(CandidateLibPath))
2417 continue;
2418
2419 SolarisPrefixes.emplace_back(
2420 std::make_pair(CandidateVersion, CandidatePrefix));
2421 }
2422
2423 std::sort(SolarisPrefixes.rbegin(), SolarisPrefixes.rend());
2424 for (auto p : SolarisPrefixes)
2425 Prefixes.emplace_back(p.second);
2426 return;
2427 }
2428
2429
2430
2431 if (SysRoot.empty() && TargetTriple.getOS() == llvm::Triple::Linux &&
2432 D.getVFS().exists("/opt/rh")) {
2433
2434
2435 Prefixes.push_back("/opt/rh/gcc-toolset-12/root/usr");
2436 Prefixes.push_back("/opt/rh/gcc-toolset-11/root/usr");
2437 Prefixes.push_back("/opt/rh/gcc-toolset-10/root/usr");
2438 Prefixes.push_back("/opt/rh/devtoolset-12/root/usr");
2439 Prefixes.push_back("/opt/rh/devtoolset-11/root/usr");
2440 Prefixes.push_back("/opt/rh/devtoolset-10/root/usr");
2441 Prefixes.push_back("/opt/rh/devtoolset-9/root/usr");
2442 Prefixes.push_back("/opt/rh/devtoolset-8/root/usr");
2443 Prefixes.push_back("/opt/rh/devtoolset-7/root/usr");
2444 Prefixes.push_back("/opt/rh/devtoolset-6/root/usr");
2445 Prefixes.push_back("/opt/rh/devtoolset-4/root/usr");
2446 Prefixes.push_back("/opt/rh/devtoolset-3/root/usr");
2447 Prefixes.push_back("/opt/rh/devtoolset-2/root/usr");
2448 }
2449
2450
2451 Prefixes.push_back(concat(SysRoot, "/usr"));
2452}
2453
2454 void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples(
2455 const llvm::Triple &TargetTriple, const llvm::Triple &BiarchTriple,
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469 static const char *const AArch64LibDirs[] = {"/lib64", "/lib"};
2470 static const char *const AArch64Triples[] = {
2471 "aarch64-none-linux-gnu", "aarch64-redhat-linux", "aarch64-suse-linux"};
2472 static const char *const AArch64beLibDirs[] = {"/lib"};
2473 static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu"};
2474
2475 static const char *const ARMLibDirs[] = {"/lib"};
2476 static const char *const ARMTriples[] = {"arm-linux-gnueabi"};
2477 static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf",
2478 "armv7hl-redhat-linux-gnueabi",
2479 "armv6hl-suse-linux-gnueabi",
2480 "armv7hl-suse-linux-gnueabi"};
2481 static const char *const ARMebLibDirs[] = {"/lib"};
2482 static const char *const ARMebTriples[] = {"armeb-linux-gnueabi"};
2483 static const char *const ARMebHFTriples[] = {
2484 "armeb-linux-gnueabihf", "armebv7hl-redhat-linux-gnueabi"};
2485
2486 static const char *const AVRLibDirs[] = {"/lib"};
2487 static const char *const AVRTriples[] = {"avr"};
2488
2489 static const char *const CSKYLibDirs[] = {"/lib"};
2490 static const char *const CSKYTriples[] = {
2491 "csky-linux-gnuabiv2", "csky-linux-uclibcabiv2", "csky-elf-noneabiv2"};
2492
2493 static const char *const X86_64LibDirs[] = {"/lib64", "/lib"};
2494 static const char *const X86_64Triples[] = {
2495 "x86_64-linux-gnu", "x86_64-unknown-linux-gnu",
2496 "x86_64-pc-linux-gnu", "x86_64-redhat-linux6E",
2497 "x86_64-redhat-linux", "x86_64-suse-linux",
2498 "x86_64-manbo-linux-gnu", "x86_64-slackware-linux",
2499 "x86_64-unknown-linux", "x86_64-amazon-linux"};
2500 static const char *const X32Triples[] = {"x86_64-linux-gnux32",
2501 "x86_64-pc-linux-gnux32"};
2502 static const char *const X32LibDirs[] = {"/libx32", "/lib"};
2503 static const char *const X86LibDirs[] = {"/lib32", "/lib"};
2504 static const char *const X86Triples[] = {
2505 "i586-linux-gnu", "i686-linux-gnu", "i686-pc-linux-gnu",
2506 "i386-redhat-linux6E", "i686-redhat-linux", "i386-redhat-linux",
2507 "i586-suse-linux", "i686-montavista-linux",
2508 };
2509
2510 static const char *const LoongArch64LibDirs[] = {"/lib64", "/lib"};
2511 static const char *const LoongArch64Triples[] = {
2512 "loongarch64-linux-gnu", "loongarch64-unknown-linux-gnu"};
2513
2514 static const char *const M68kLibDirs[] = {"/lib"};
2515 static const char *const M68kTriples[] = {"m68k-unknown-linux-gnu",
2516 "m68k-suse-linux"};
2517
2518 static const char *const MIPSLibDirs[] = {"/libo32", "/lib"};
2519 static const char *const MIPSTriples[] = {
2520 "mips-linux-gnu", "mips-mti-linux", "mips-mti-linux-gnu",
2521 "mips-img-linux-gnu", "mipsisa32r6-linux-gnu"};
2522 static const char *const MIPSELLibDirs[] = {"/libo32", "/lib"};
2523 static const char *const MIPSELTriples[] = {"mipsel-linux-gnu",
2524 "mips-img-linux-gnu"};
2525
2526 static const char *const MIPS64LibDirs[] = {"/lib64", "/lib"};
2527 static const char *const MIPS64Triples[] = {
2528 "mips-mti-linux-gnu", "mips-img-linux-gnu", "mips64-linux-gnuabi64",
2529 "mipsisa64r6-linux-gnu", "mipsisa64r6-linux-gnuabi64"};
2530 static const char *const MIPS64ELLibDirs[] = {"/lib64", "/lib"};
2531 static const char *const MIPS64ELTriples[] = {
2532 "mips-mti-linux-gnu", "mips-img-linux-gnu", "mips64el-linux-gnuabi64",
2533 "mipsisa64r6el-linux-gnu", "mipsisa64r6el-linux-gnuabi64"};
2534
2535 static const char *const MIPSN32LibDirs[] = {"/lib32"};
2536 static const char *const MIPSN32Triples[] = {"mips64-linux-gnuabin32",
2537 "mipsisa64r6-linux-gnuabin32"};
2538 static const char *const MIPSN32ELLibDirs[] = {"/lib32"};
2539 static const char *const MIPSN32ELTriples[] = {
2540 "mips64el-linux-gnuabin32", "mipsisa64r6el-linux-gnuabin32"};
2541
2542 static const char *const MSP430LibDirs[] = {"/lib"};
2543 static const char *const MSP430Triples[] = {"msp430-elf"};
2544
2545 static const char *const PPCLibDirs[] = {"/lib32", "/lib"};
2546 static const char *const PPCTriples[] = {
2547 "powerpc-unknown-linux-gnu",
2548
2549
2550 "powerpc64-suse-linux", "powerpc-montavista-linuxspe"};
2551 static const char *const PPCLELibDirs[] = {"/lib32", "/lib"};
2552 static const char *const PPCLETriples[] = {"powerpcle-unknown-linux-gnu",
2553 "powerpcle-linux-musl"};
2554
2555 static const char *const PPC64LibDirs[] = {"/lib64", "/lib"};
2556 static const char *const PPC64Triples[] = {"powerpc64-unknown-linux-gnu",
2557 "powerpc64-suse-linux",
2558 "ppc64-redhat-linux"};
2559 static const char *const PPC64LELibDirs[] = {"/lib64", "/lib"};
2560 static const char *const PPC64LETriples[] = {
2561 "powerpc64le-unknown-linux-gnu", "powerpc64le-none-linux-gnu",
2562 "powerpc64le-suse-linux", "ppc64le-redhat-linux"};
2563
2564 static const char *const RISCV32LibDirs[] = {"/lib32", "/lib"};
2565 static const char *const RISCV32Triples[] = {"riscv32-unknown-linux-gnu",
2566 "riscv32-unknown-elf"};
2567 static const char *const RISCV64LibDirs[] = {"/lib64", "/lib"};
2568 static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu",
2569 "riscv64-unknown-elf"};
2570
2571 static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
2572 static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",
2573 "sparcv8-linux-gnu"};
2574 static const char *const SPARCv9LibDirs[] = {"/lib64", "/lib"};
2575 static const char *const SPARCv9Triples[] = {"sparc64-linux-gnu",
2576 "sparcv9-linux-gnu"};
2577
2578 static const char *const SystemZLibDirs[] = {"/lib64", "/lib"};
2579 static const char *const SystemZTriples[] = {
2580 "s390x-unknown-linux-gnu", "s390x-ibm-linux-gnu", "s390x-suse-linux",
2581 "s390x-redhat-linux"};
2582
2583 using std::begin;
2584 using std::end;
2585
2586 if (TargetTriple.isOSSolaris()) {
2587 static const char *const SolarisLibDirs[] = {"/lib"};
2588 static const char *const SolarisSparcV8Triples[] = {
2589 "sparc-sun-solaris2.11"};
2590 static const char *const SolarisSparcV9Triples[] = {
2591 "sparcv9-sun-solaris2.11"};
2592 static const char *const SolarisX86Triples[] = {"i386-pc-solaris2.11"};
2593 static const char *const SolarisX86_64Triples[] = {"x86_64-pc-solaris2.11"};
2594 LibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs));
2595 BiarchLibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs));
2596 switch (TargetTriple.getArch()) {
2597 case llvm::Triple::x86:
2598 TripleAliases.append(begin(SolarisX86Triples), end(SolarisX86Triples));
2599 BiarchTripleAliases.append(begin(SolarisX86_64Triples),
2600 end(SolarisX86_64Triples));
2601 break;
2602 case llvm::Triple::x86_64:
2603 TripleAliases.append(begin(SolarisX86_64Triples),
2604 end(SolarisX86_64Triples));
2605 BiarchTripleAliases.append(begin(SolarisX86Triples),
2606 end(SolarisX86Triples));
2607 break;
2608 case llvm::Triple::sparc:
2609 TripleAliases.append(begin(SolarisSparcV8Triples),
2610 end(SolarisSparcV8Triples));
2611 BiarchTripleAliases.append(begin(SolarisSparcV9Triples),
2612 end(SolarisSparcV9Triples));
2613 break;
2614 case llvm::Triple::sparcv9:
2615 TripleAliases.append(begin(SolarisSparcV9Triples),
2616 end(SolarisSparcV9Triples));
2617 BiarchTripleAliases.append(begin(SolarisSparcV8Triples),
2618 end(SolarisSparcV8Triples));
2619 break;
2620 default:
2621 break;
2622 }
2623 return;
2624 }
2625
2626
2627 if (TargetTriple.isAndroid()) {
2628 static const char *const AArch64AndroidTriples[] = {
2629 "aarch64-linux-android"};
2630 static const char *const ARMAndroidTriples[] = {"arm-linux-androideabi"};
2631 static const char *const X86AndroidTriples[] = {"i686-linux-android"};
2632 static const char *const X86_64AndroidTriples[] = {"x86_64-linux-android"};
2633
2634 switch (TargetTriple.getArch()) {
2635 case llvm::Triple::aarch64:
2636 LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
2637 TripleAliases.append(begin(AArch64AndroidTriples),
2638 end(AArch64AndroidTriples));
2639 break;
2640 case llvm::Triple::arm:
2641 case llvm::Triple::thumb:
2642 LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs));
2643 TripleAliases.append(begin(ARMAndroidTriples), end(ARMAndroidTriples));
2644 break;
2645 case llvm::Triple::x86_64:
2646 LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
2647 TripleAliases.append(begin(X86_64AndroidTriples),
2648 end(X86_64AndroidTriples));
2649 BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
2650 BiarchTripleAliases.append(begin(X86AndroidTriples),
2651 end(X86AndroidTriples));
2652 break;
2653 case llvm::Triple::x86:
2654 LibDirs.append(begin(X86LibDirs), end(X86LibDirs));
2655 TripleAliases.append(begin(X86AndroidTriples), end(X86AndroidTriples));
2656 BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
2657 BiarchTripleAliases.append(begin(X86_64AndroidTriples),
2658 end(X86_64AndroidTriples));
2659 break;
2660 default:
2661 break;
2662 }
2663
2664 return;
2665 }
2666
2667 if (TargetTriple.isOSHurd()) {
2668 switch (TargetTriple.getArch()) {
2669 case llvm::Triple::x86_64:
2670 LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
2671 TripleAliases.push_back("x86_64-gnu");
2672 break;
2673 case llvm::Triple::x86:
2674 LibDirs.append(begin(X86LibDirs), end(X86LibDirs));
2675 TripleAliases.push_back("i686-gnu");
2676 break;
2677 default:
2678 break;
2679 }
2680
2681 return;
2682 }
2683
2684 switch (TargetTriple.getArch()) {
2685 case llvm::Triple::aarch64:
2686 LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
2687 TripleAliases.append(begin(AArch64Triples), end(AArch64Triples));
2688 BiarchLibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs));
2689 BiarchTripleAliases.append(begin(AArch64Triples), end(AArch64Triples));
2690 break;
2691 case llvm::Triple::aarch64_be:
2692 LibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs));
2693 TripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples));
2694 BiarchLibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs));
2695 BiarchTripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples));
2696 break;
2697 case llvm::Triple::arm:
2698 case llvm::Triple::thumb:
2699 LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs));
2700 if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF ||
2701 TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHFT64 ||
2702 TargetTriple.getEnvironment() == llvm::Triple::MuslEABIHF ||
2703 TargetTriple.getEnvironment() == llvm::Triple::EABIHF) {
2704 TripleAliases.append(begin(ARMHFTriples), end(ARMHFTriples));
2705 } else {
2706 TripleAliases.append(begin(ARMTriples), end(ARMTriples));
2707 }
2708 break;
2709 case llvm::Triple::armeb:
2710 case llvm::Triple::thumbeb:
2711 LibDirs.append(begin(ARMebLibDirs), end(ARMebLibDirs));
2712 if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF ||
2713 TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHFT64 ||
2714 TargetTriple.getEnvironment() == llvm::Triple::MuslEABIHF ||
2715 TargetTriple.getEnvironment() == llvm::Triple::EABIHF) {
2716 TripleAliases.append(begin(ARMebHFTriples), end(ARMebHFTriples));
2717 } else {
2718 TripleAliases.append(begin(ARMebTriples), end(ARMebTriples));
2719 }
2720 break;
2721 case llvm::Triple::avr:
2722 LibDirs.append(begin(AVRLibDirs), end(AVRLibDirs));
2723 TripleAliases.append(begin(AVRTriples), end(AVRTriples));
2724 break;
2725 case llvm::Triple::csky:
2726 LibDirs.append(begin(CSKYLibDirs), end(CSKYLibDirs));
2727 TripleAliases.append(begin(CSKYTriples), end(CSKYTriples));
2728 break;
2729 case llvm::Triple::x86_64:
2730 if (TargetTriple.isX32()) {
2731 LibDirs.append(begin(X32LibDirs), end(X32LibDirs));
2732 TripleAliases.append(begin(X32Triples), end(X32Triples));
2733 BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
2734 BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
2735 } else {
2736 LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
2737 TripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
2738 BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs));
2739 BiarchTripleAliases.append(begin(X32Triples), end(X32Triples));
2740 }
2741 BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
2742 BiarchTripleAliases.append(begin(X86Triples), end(X86Triples));
2743 break;
2744 case llvm::Triple::x86:
2745 LibDirs.append(begin(X86LibDirs), end(X86LibDirs));
2746
2747
2748 if (!TargetTriple.isOSIAMCU()) {
2749 TripleAliases.append(begin(X86Triples), end(X86Triples));
2750 BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
2751 BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
2752 BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs));
2753 BiarchTripleAliases.append(begin(X32Triples), end(X32Triples));
2754 }
2755 break;
2756
2757 case llvm::Triple::loongarch64:
2758 LibDirs.append(begin(LoongArch64LibDirs), end(LoongArch64LibDirs));
2759 TripleAliases.append(begin(LoongArch64Triples), end(LoongArch64Triples));
2760 break;
2761 case llvm::Triple::m68k:
2762 LibDirs.append(begin(M68kLibDirs), end(M68kLibDirs));
2763 TripleAliases.append(begin(M68kTriples), end(M68kTriples));
2764 break;
2765 case llvm::Triple::mips:
2766 LibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
2767 TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
2768 BiarchLibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
2769 BiarchTripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
2770 BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs));
2771 BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples));
2772 break;
2773 case llvm::Triple::mipsel:
2774 LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
2775 TripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
2776 TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
2777 BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
2778 BiarchTripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
2779 BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs));
2780 BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples));
2781 break;
2782 case llvm::Triple::mips64:
2783 LibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
2784 TripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
2785 BiarchLibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
2786 BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
2787 BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs));
2788 BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples));
2789 break;
2790 case llvm::Triple::mips64el:
2791 LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
2792 TripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
2793 BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
2794 BiarchTripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
2795 BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs));
2796 BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples));
2797 BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
2798 break;
2799 case llvm::Triple::msp430:
2800 LibDirs.append(begin(MSP430LibDirs), end(MSP430LibDirs));
2801 TripleAliases.append(begin(MSP430Triples), end(MSP430Triples));
2802 break;
2803 case llvm::Triple::ppc:
2804 LibDirs.append(begin(PPCLibDirs), end(PPCLibDirs));
2805 TripleAliases.append(begin(PPCTriples), end(PPCTriples));
2806 BiarchLibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs));
2807 BiarchTripleAliases.append(begin(PPC64Triples), end(PPC64Triples));
2808 break;
2809 case llvm::Triple::ppcle:
2810 LibDirs.append(begin(PPCLELibDirs), end(PPCLELibDirs));
2811 TripleAliases.append(begin(PPCLETriples), end(PPCLETriples));
2812 BiarchLibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs));
2813 BiarchTripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples));
2814 break;
2815 case llvm::Triple::ppc64:
2816 LibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs));
2817 TripleAliases.append(begin(PPC64Triples), end(PPC64Triples));
2818 BiarchLibDirs.append(begin(PPCLibDirs), end(PPCLibDirs));
2819 BiarchTripleAliases.append(begin(PPCTriples), end(PPCTriples));
2820 break;
2821 case llvm::Triple::ppc64le:
2822 LibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs));
2823 TripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples));
2824 BiarchLibDirs.append(begin(PPCLELibDirs), end(PPCLELibDirs));
2825 BiarchTripleAliases.append(begin(PPCLETriples), end(PPCLETriples));
2826 break;
2827 case llvm::Triple::riscv32:
2828 LibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs));
2829 TripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples));
2830 BiarchLibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs));
2831 BiarchTripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples));
2832 break;
2833 case llvm::Triple::riscv64:
2834 LibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs));
2835 TripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples));
2836 BiarchLibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs));
2837 BiarchTripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples));
2838 break;
2839 case llvm::Triple::sparc:
2840 case llvm::Triple::sparcel:
2841 LibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
2842 TripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples));
2843 BiarchLibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs));
2844 BiarchTripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples));
2845 break;
2846 case llvm::Triple::sparcv9:
2847 LibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs));
2848 TripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples));
2849 BiarchLibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
2850 BiarchTripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples));
2851 break;
2852 case llvm::Triple::systemz:
2853 LibDirs.append(begin(SystemZLibDirs), end(SystemZLibDirs));
2854 TripleAliases.append(begin(SystemZTriples), end(SystemZTriples));
2855 break;
2856 default:
2857
2858
2859 break;
2860 }
2861
2862
2863 if (TargetTriple.str() != BiarchTriple.str())
2864 BiarchTripleAliases.push_back(BiarchTriple.str());
2865}
2866
2867bool Generic_GCC::GCCInstallationDetector::ScanGCCForMultilibs(
2868 const llvm::Triple &TargetTriple, const ArgList &Args,
2869 StringRef Path, bool NeedsBiarchSuffix) {
2870 llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
2872
2873
2874
2875
2876 if (isArmOrThumbArch(TargetArch) && TargetTriple.isAndroid()) {
2877
2879 } else if (TargetTriple.isCSKY()) {
2881 } else if (TargetTriple.isMIPS()) {
2883 return false;
2884 } else if (TargetTriple.isRISCV()) {
2886 } else if (isMSP430(TargetArch)) {
2888 } else if (TargetArch == llvm::Triple::avr) {
2889
2891 NeedsBiarchSuffix, Detected)) {
2892 return false;
2893 }
2894
2898 : Detected.SelectedMultilibs.back();
2900
2901 return true;
2902}
2903
2904void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
2905 const llvm::Triple &TargetTriple, const ArgList &Args,
2906 const std::string &LibDir, StringRef CandidateTriple,
2907 bool NeedsBiarchSuffix, bool GCCDirExists, bool GCCCrossDirExists) {
2908
2909
2910 struct GCCLibSuffix {
2911
2912 std::string LibSuffix;
2913
2914
2915 StringRef ReversePath;
2916
2917 bool Active;
2919
2920 {"gcc/" + CandidateTriple.str(), "../..", GCCDirExists},
2921
2922
2923 {"gcc-cross/" + CandidateTriple.str(), "../..", GCCCrossDirExists},
2924
2925
2926
2927
2928
2929 {CandidateTriple.str(), "..",
2930 TargetTriple.getVendor() == llvm::Triple::Freescale ||
2931 TargetTriple.getVendor() == llvm::Triple::OpenEmbedded}};
2932
2933 for (auto &Suffix : Suffixes) {
2934 if (!Suffix.Active)
2935 continue;
2936
2937 StringRef LibSuffix = Suffix.LibSuffix;
2938 std::error_code EC;
2939 for (llvm::vfs::directory_iterator
2940 LI = D.getVFS().dir_begin(LibDir + "/" + LibSuffix, EC),
2941 LE;
2942 !EC && LI != LE; LI = LI.increment(EC)) {
2943 StringRef VersionText = llvm::sys::path::filename(LI->path());
2944 GCCVersion CandidateVersion = GCCVersion::Parse(VersionText);
2945 if (CandidateVersion.Major != -1)
2946 if (!CandidateGCCInstallPaths.insert(std::string(LI->path())).second)
2947 continue;
2948 if (CandidateVersion.isOlderThan(4, 1, 1))
2949 continue;
2950 if (CandidateVersion <= Version)
2951 continue;
2952
2953 if (!ScanGCCForMultilibs(TargetTriple, Args, LI->path(),
2954 NeedsBiarchSuffix))
2955 continue;
2956
2957 Version = CandidateVersion;
2958 GCCTriple.setTriple(CandidateTriple);
2959
2960
2961
2962 GCCInstallPath = (LibDir + "/" + LibSuffix + "/" + VersionText).str();
2963 GCCParentLibPath = (GCCInstallPath + "/../" + Suffix.ReversePath).str();
2964 IsValid = true;
2965 }
2966 }
2967}
2968
2969bool Generic_GCC::GCCInstallationDetector::ScanGentooConfigs(
2970 const llvm::Triple &TargetTriple, const ArgList &Args,
2973 if (.getVFS().exists(concat(D.SysRoot, GentooConfigDir)))
2974 return false;
2975
2976 for (StringRef CandidateTriple : CandidateTriples) {
2977 if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple))
2978 return true;
2979 }
2980
2981 for (StringRef CandidateTriple : CandidateBiarchTriples) {
2982 if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple, true))
2983 return true;
2984 }
2985 return false;
2986}
2987
2988bool Generic_GCC::GCCInstallationDetector::ScanGentooGccConfig(
2989 const llvm::Triple &TargetTriple, const ArgList &Args,
2990 StringRef CandidateTriple, bool NeedsBiarchSuffix) {
2991 llvm::ErrorOr<std::unique_ptrllvm::MemoryBuffer> File =
2992 D.getVFS().getBufferForFile(concat(D.SysRoot, GentooConfigDir,
2993 "/config-" + CandidateTriple.str()));
2996 File.get()->getBuffer().split(Lines, "\n");
2997 for (StringRef Line : Lines) {
2999
3000 if (.consume_front("CURRENT="))
3001 continue;
3002
3003 llvm::ErrorOr<std::unique_ptrllvm::MemoryBuffer> ConfigFile =
3004 D.getVFS().getBufferForFile(
3005 concat(D.SysRoot, GentooConfigDir, "/" + Line));
3006 std::pair<StringRef, StringRef> ActiveVersion = Line.rsplit('-');
3007
3009
3010
3011
3012
3013
3014
3015
3016
3017 if (ConfigFile) {
3019 ConfigFile.get()->getBuffer().split(ConfigLines, "\n");
3020 for (StringRef ConfLine : ConfigLines) {
3021 ConfLine = ConfLine.trim();
3022 if (ConfLine.consume_front("LDPATH=")) {
3023
3024 ConfLine.consume_back("\"");
3025 ConfLine.consume_front("\"");
3026
3027 ConfLine.split(GentooScanPaths, ':', -1, false);
3028 }
3029 }
3030 }
3031
3032 std::string basePath = "/usr/lib/gcc/" + ActiveVersion.first.str() + "/"
3033 + ActiveVersion.second.str();
3034 GentooScanPaths.push_back(StringRef(basePath));
3035
3036
3037 for (const auto &GentooScanPath : GentooScanPaths) {
3038 std::string GentooPath = concat(D.SysRoot, GentooScanPath);
3039 if (D.getVFS().exists(GentooPath + "/crtbegin.o")) {
3040 if (!ScanGCCForMultilibs(TargetTriple, Args, GentooPath,
3041 NeedsBiarchSuffix))
3042 continue;
3043
3044 Version = GCCVersion::Parse(ActiveVersion.second);
3045 GCCInstallPath = GentooPath;
3046 GCCParentLibPath = GentooPath + std::string("/../../..");
3047 GCCTriple.setTriple(ActiveVersion.first);
3048 IsValid = true;
3049 return true;
3050 }
3051 }
3052 }
3053 }
3054
3055 return false;
3056}
3057
3059 const ArgList &Args)
3060 : ToolChain(D, Triple, Args), GCCInstallation(D),
3061 CudaInstallation(D, Triple, Args), RocmInstallation(D, Triple, Args),
3062 SYCLInstallation(D, Triple, Args) {
3064}
3065
3067
3069 switch (AC) {
3071 if (!Preprocess)
3073 return Preprocess.get();
3075 if (!Compile)
3077 return Compile.get();
3078 default:
3080 }
3081}
3082
3085}
3086
3088
3090
3094}
3095
3099 case llvm::Triple::aarch64:
3100 case llvm::Triple::aarch64_be:
3101 case llvm::Triple::ppc:
3102 case llvm::Triple::ppcle:
3103 case llvm::Triple::ppc64:
3104 case llvm::Triple::ppc64le:
3105 case llvm::Triple::riscv32:
3106 case llvm::Triple::riscv64:
3107 case llvm::Triple::x86:
3108 case llvm::Triple::x86_64:
3110 default:
3112 }
3113}
3114
3117 case llvm::Triple::x86_64:
3118 return getTriple().isOSWindows();
3119 case llvm::Triple::mips64:
3120 case llvm::Triple::mips64el:
3121 return true;
3122 default:
3123 return false;
3124 }
3125}
3126
3128 return false;
3129}
3130
3132 return getArch() == llvm::Triple::x86_64 && getTriple().isOSWindows();
3133}
3134
3137 case llvm::Triple::nvptx:
3138 case llvm::Triple::nvptx64:
3139 case llvm::Triple::xcore:
3140 return false;
3141 default:
3142 return true;
3143 }
3144}
3145
3147
3148
3149
3150
3151
3152
3153
3157 .str());
3158 }
3159}
3160
3162 const std::string &SysRoot,
3163 const std::string &OSLibDir,
3164 const std::string &MultiarchTriple,
3166
3170 const std::string &LibPath =
3172
3173
3174
3178
3179
3180 addPathIfExists(D,
3183 Paths);
3184
3185
3186
3188 Paths);
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208 addPathIfExists(D,
3209 LibPath + "/../" + GCCTriple.str() + "/lib/../" + OSLibDir +
3211 Paths);
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222 if (StringRef(LibPath).starts_with(SysRoot))
3223 addPathIfExists(D, LibPath + "/../" + OSLibDir, Paths);
3224 }
3225}
3226
3228 const std::string &SysRoot,
3229 const std::string &OSLibDir,
3232 const std::string &LibPath =
3236 addPathIfExists(
3237 D, LibPath + "/../" + GCCTriple.str() + "/lib" + Multilib.osSuffix(),
3238 Paths);
3239 }
3240}
3241
3243 ArgStringList &CC1Args) const {
3244
3246 return;
3247
3251 Twine(LibPath) + "/../" + GCCTriple.str() + "/include");
3252
3254 if (Callback) {
3258 }
3259}
3260
3262 ArgStringList &CC1Args) const {
3263 if (DriverArgs.hasArg(options::OPT_nostdinc, options::OPT_nostdincxx,
3264 options::OPT_nostdlibinc))
3265 return;
3266
3270 break;
3271
3274 break;
3275 }
3276}
3277
3279 ArgStringList &CC1Args) const {
3281}
3282
3283void
3285 llvm::opt::ArgStringList &CC1Args) const {
3288 if (SysRoot.empty())
3289 SysRoot = llvm::sys::path::get_separator();
3290
3291 auto AddIncludePath = [&](StringRef Path, bool TargetDirRequired = false) {
3293 if (Version.empty())
3294 return false;
3295
3296
3297 bool TargetDirExists = false;
3299 if (TargetIncludeDir) {
3301 llvm::sys::path::append(TargetDir, "c++", Version);
3302 if (D.getVFS().exists(TargetDir)) {
3304 TargetDirExists = true;
3305 }
3306 }
3307 if (TargetDirRequired && !TargetDirExists)
3308 return false;
3309
3310
3312 llvm::sys::path::append(GenericDir, "c++", Version);
3314 return true;
3315 };
3316
3317
3318
3319
3321 llvm::sys::path::append(DriverIncludeDir, "..", "include");
3322 if (AddIncludePath(DriverIncludeDir,
3323 getTriple().isAndroid()))
3324 return;
3325
3326
3327
3329 llvm::sys::path::append(UsrLocalIncludeDir, "usr", "local", "include");
3330 if (AddIncludePath(UsrLocalIncludeDir))
3331 return;
3333 llvm::sys::path::append(UsrIncludeDir, "usr", "include");
3334 if (AddIncludePath(UsrIncludeDir))
3335 return;
3336}
3337
3339 Twine IncludeSuffix,
3340 const llvm::opt::ArgList &DriverArgs,
3341 llvm::opt::ArgStringList &CC1Args,
3342 bool DetectDebian) const {
3343 if (().exists(IncludeDir))
3344 return false;
3345
3346
3347
3348
3349 std::string Dir = IncludeDir.str();
3350 StringRef Include =
3351 llvm::sys::path::parent_path(llvm::sys::path::parent_path(Dir));
3352 std::string Path =
3353 (Include + "/" + Triple + Dir.substr(Include.size()) + IncludeSuffix)
3354 .str();
3355 if (DetectDebian && ().exists(Path))
3356 return false;
3357
3358
3360
3361
3362 if (DetectDebian)
3364 else if (!Triple.empty())
3366 IncludeDir + "/" + Triple + IncludeSuffix);
3367
3368 addSystemInclude(DriverArgs, CC1Args, IncludeDir + "/backward");
3369 return true;
3370}
3371
3373 const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args,
3374 StringRef DebianMultiarch) const {
3376
3377
3378
3379
3385
3386
3388 LibDir.str() + "/../" + TripleStr + "/include/c++/" + Version.Text,
3390 return true;
3391
3392
3393
3394
3396 Version.Text + "/include/c++/",
3398 CC1Args))
3399 return true;
3400
3401
3404 DriverArgs, CC1Args, true))
3405 return true;
3406
3407
3410 CC1Args))
3411 return true;
3412
3413
3414
3415 const std::string LibStdCXXIncludePathCandidates[] = {
3416
3417
3418 InstallDir.str() + "/include/g++-v" + Version.Text,
3419 InstallDir.str() + "/include/g++-v" + Version.MajorStr + "." +
3421 InstallDir.str() + "/include/g++-v" + Version.MajorStr,
3422 };
3423
3424 for (const auto &IncludePath : LibStdCXXIncludePathCandidates) {
3427 return true;
3428 }
3429 return false;
3430}
3431
3432void
3434 llvm::opt::ArgStringList &CC1Args) const {
3438 }
3439}
3440
3441llvm::opt::DerivedArgList *
3444
3445
3446
3447
3448
3450 DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
3452
3453
3454
3455 DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_shared));
3456 DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_fPIC));
3457
3458
3459
3460 for (auto *A : Args) {
3461 switch ((options::ID)A->getOption().getID()) {
3462 default:
3463 DAL->append(A);
3464 break;
3465 case options::OPT_shared:
3466 case options::OPT_dynamic:
3467 case options::OPT_static:
3468 case options::OPT_fPIC:
3469 case options::OPT_fno_PIC:
3470 case options::OPT_fpic:
3471 case options::OPT_fno_pic:
3472 case options::OPT_fPIE:
3473 case options::OPT_fno_PIE:
3474 case options::OPT_fpie:
3475 case options::OPT_fno_pie:
3476 break;
3477 }
3478 }
3479 return DAL;
3480 }
3481 return nullptr;
3482}
3483
3484void Generic_ELF::anchor() {}
3485
3487 ArgStringList &CC1Args,
3489 if (!DriverArgs.hasFlag(options::OPT_fuse_init_array,
3490 options::OPT_fno_use_init_array, true))
3491 CC1Args.push_back("-fno-use-init-array");
3492}
static constexpr CPUSuffix Suffixes[]
static bool findMipsAndroidMultilibs(const Driver &D, llvm::vfs::FileSystem &VFS, StringRef Path, const Multilib::flags_list &Flags, FilterNonExistent &NonExistent, DetectedMultilibs &Result)
static void findCSKYMultilibs(const Driver &D, const llvm::Triple &TargetTriple, StringRef Path, const ArgList &Args, DetectedMultilibs &Result)
static void findAndroidArmMultilibs(const Driver &D, const llvm::Triple &TargetTriple, StringRef Path, const ArgList &Args, DetectedMultilibs &Result)
static bool findMipsCsMultilibs(const Driver &D, const Multilib::flags_list &Flags, FilterNonExistent &NonExistent, DetectedMultilibs &Result)
static bool isArmOrThumbArch(llvm::Triple::ArchType Arch)
static bool selectRISCVMultilib(const Driver &D, const MultilibSet &RISCVMultilibSet, StringRef Arch, const Multilib::flags_list &Flags, llvm::SmallVectorImpl< Multilib > &SelectedMultilibs)
Extend the multi-lib re-use selection mechanism for RISC-V.
static void normalizeCPUNamesForAssembler(const ArgList &Args, ArgStringList &CmdArgs)
static bool findBiarchMultilibs(const Driver &D, const llvm::Triple &TargetTriple, StringRef Path, const ArgList &Args, bool NeedsBiarchSuffix, DetectedMultilibs &Result)
static bool isMips16(const ArgList &Args)
static llvm::StringRef getGCCToolchainDir(const ArgList &Args, llvm::StringRef SysRoot)
static bool findMSP430Multilibs(const Driver &D, const llvm::Triple &TargetTriple, StringRef Path, const ArgList &Args, DetectedMultilibs &Result)
static bool getStatic(const ArgList &Args)
static bool isMipsEL(llvm::Triple::ArchType Arch)
static const char * getLDMOption(const llvm::Triple &T, const ArgList &Args)
static bool findMipsMuslMultilibs(const Driver &D, const Multilib::flags_list &Flags, FilterNonExistent &NonExistent, DetectedMultilibs &Result)
static void findRISCVBareMetalMultilibs(const Driver &D, const llvm::Triple &TargetTriple, StringRef Path, const ArgList &Args, DetectedMultilibs &Result)
static bool isMSP430(llvm::Triple::ArchType Arch)
static bool isSoftFloatABI(const ArgList &Args)
static bool getStaticPIE(const ArgList &Args, const ToolChain &TC)
static bool findMipsImgMultilibs(const Driver &D, const Multilib::flags_list &Flags, FilterNonExistent &NonExistent, DetectedMultilibs &Result)
static bool forwardToGCC(const Option &O)
static bool findMipsMtiMultilibs(const Driver &D, const Multilib::flags_list &Flags, FilterNonExistent &NonExistent, DetectedMultilibs &Result)
static bool isMicroMips(const ArgList &Args)
types::ID getType() const
bool isHostOffloading(unsigned int OKind) const
Check if this action have any offload kinds.
Compilation - A set of tasks to perform for a single driver invocation.
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
const llvm::opt::OptTable & getOpts() const
InputInfo - Wrapper for information about an input source.
const char * getFilename() const
This corresponds to a single GCC multilib, or a segment of one controlled by a command line flag.
MultilibBuilder & flag(StringRef Flag, bool Disallow=false)
Add a flag to the flags list Flag must be a flag accepted by the driver.
const std::string & gccSuffix() const
Get the detected GCC installation path suffix for the multi-arch target variant.
const std::string & osSuffix() const
Get the detected os path suffix for the multi-arch target variant.
Multilib makeMultilib() const
This class can be used to create a MultilibSet, and contains helper functions to add combinations of ...
MultilibSetBuilder & Maybe(const MultilibBuilder &M)
Add an optional Multilib segment.
MultilibSetBuilder & FilterOut(const char *Regex)
Filter out those Multilibs whose gccSuffix matches the given expression.
MultilibSetBuilder & Either(const MultilibBuilder &M1, const MultilibBuilder &M2)
Add a set of mutually incompatible Multilib segments.
MultilibSet makeMultilibSet() const
See also MultilibSetBuilder for combining multilibs into a set.
bool select(const Driver &D, const Multilib::flags_list &Flags, llvm::SmallVectorImpl< Multilib > &, llvm::SmallVector< StringRef > *=nullptr) const
Select compatible variants,.
MultilibSet & setFilePathsCallback(IncludeDirsFunc F)
MultilibSet & FilterOut(FilterCallback F)
Filter out some subset of the Multilibs using a user defined callback.
const IncludeDirsFunc & filePathsCallback() const
const IncludeDirsFunc & includeDirsCallback() const
MultilibSet & setIncludeDirsCallback(IncludeDirsFunc F)
This corresponds to a single GCC Multilib, or a segment of one controlled by a command line flag.
const std::string & gccSuffix() const
Get the detected GCC installation path suffix for the multi-arch target variant.
const std::string & osSuffix() const
Get the detected os path suffix for the multi-arch target variant.
std::vector< std::string > flags_list
const std::string & includeSuffix() const
Get the include directory suffix.
bool isDefault() const
Check whether the default is selected.
bool isLLVMIR(ID Id)
Is this LLVM IR.
const char * getTypeName(ID Id)
getTypeName - Return the name of the type for Id.
bool canTypeBeUserSpecified(ID Id)
canTypeBeUserSpecified - Can this type be specified on the command line (by the type name); this is u...
bool findMIPSMultilibs(const Driver &D, const llvm::Triple &TargetTriple, StringRef Path, const llvm::opt::ArgList &Args, DetectedMultilibs &Result)
The JSON file list parser is used to communicate input to InstallAPI.
@ Result
The result type of a method or function.
const FunctionProtoType * T
MultilibSet Multilibs
The set of multilibs that the detected installation supports.
std::optional< Multilib > BiarchSibling
On Biarch systems, this corresponds to the default multilib when targeting the non-default multilib.
llvm::SmallVector< Multilib > SelectedMultilibs
The multilibs appropriate for the given flags.
static constexpr ResponseFileSupport AtFileCurCP()