╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ zig_clang_cc1as_main.cpp ─────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
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.. Air/ Compilation/ Sema/ Zcu/ codegen/ libs/ link/ Air.zig Builtin.zig Compilation.zig IncrementalDebugServer.zig InternPool.zig Module.zig RangeSet.zig Sema.zig Type.zig Value.zig Zcu.zig clang_options.zon codegen.zig crash_report.zig dev.zig fmt.zig link.zig main.zig mutable_value.zig print_env.zig print_targets.zig print_value.zig print_zir.zig print_zoir.zig register_manager.zig target.zig tracy.zig zig_clang_cc1_main.cpp ╭─────────────────────────────────╮ │zig_clang_cc1as_main.cpp │ ╰─────────────────────────────────╯ zig_clang_driver.cpp zig_llvm-ar.cpp zig_llvm.cpp zig_llvm.h
625 626 // Set values for symbols, if any. 627 for (auto &S : Opts.SymbolDefs) { 628 auto Pair = StringRef(S).split('='); 629 auto Sym = Pair.first; 630 auto Val = Pair.second; 631 int64_t Value; 632 // We have already error checked this in the driver. 633 Val.getAsInteger(0, Value); 634 Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value); 635 } 636 637 if (!Failed) { 638 Parser->setTargetParser(*TAP); 639 Failed = Parser->Run(Opts.NoInitialTextSection); 640 } 641 642 return Failed; 643 } 644 645 static bool ExecuteAssembler(AssemblerInvocation &Opts, 646 DiagnosticsEngine &Diags, 647 IntrusiveRefCntPtr<vfs::FileSystem> VFS) { 648 bool Failed = ExecuteAssemblerImpl(Opts, Diags, VFS); 649 650 // Delete output file if there were errors. 651 if (Failed) { 652 if (Opts.OutputPath != "-") 653 sys::fs::remove(Opts.OutputPath); 654 if (!Opts.SplitDwarfOutput.empty() && Opts.SplitDwarfOutput != "-") 655 sys::fs::remove(Opts.SplitDwarfOutput); 656 } 657 658 return Failed; 659 } 660 661 static void LLVMErrorHandler(void *UserData, const char *Message, 662 bool GenCrashDiag) { 663 DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData); 664 665 Diags.Report(diag::err_fe_error_backend) << Message; 666 667 // We cannot recover from llvm errors. 668 sys::Process::Exit(1); 669 } 670 671 int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) { 672 // Initialize targets and assembly printers/parsers. 673 InitializeAllTargetInfos(); 674 InitializeAllTargetMCs(); 675 InitializeAllAsmParsers(); 676 677 // Construct our diagnostic client. 678 DiagnosticOptions DiagOpts; 679 TextDiagnosticPrinter *DiagClient = 680 new TextDiagnosticPrinter(errs(), DiagOpts); 681 DiagClient->setPrefix("clang -cc1as"); 682 DiagnosticsEngine Diags(DiagnosticIDs::create(), DiagOpts, DiagClient); 683 684 auto VFS = [] { 685 auto BypassSandbox = sys::sandbox::scopedDisable(); 686 return vfs::getRealFileSystem(); 687 }(); 688 689 // Set an error handler, so that any LLVM backend diagnostics go through our 690 // error handler. 691 ScopedFatalErrorHandler FatalErrorHandler 692 (LLVMErrorHandler, static_cast<void*>(&Diags)); 693 694 // Parse the arguments. 695 AssemblerInvocation Asm; 696 if (!AssemblerInvocation::CreateFromArgs(Asm, Argv, Diags)) 697 return 1; 698 699 if (Asm.ShowHelp) { 700 getDriverOptTable().printHelp( 701 llvm::outs(), "clang -cc1as [options] file...", 702 "Clang Integrated Assembler", /*ShowHidden=*/false, 703 /*ShowAllAliases=*/false, llvm::opt::Visibility(options::CC1AsOption)); 704 705 return 0; 706 } 707 708 // Honor -version. 709 // 710 // FIXME: Use a better -version message? 711 if (Asm.ShowVersion) { 712 llvm::cl::PrintVersionMessage(); 713 return 0; 714 } 715 716 // Honor -mllvm. 717 // 718 // FIXME: Remove this, one day. 719 if (!Asm.LLVMArgs.empty()) { 720 unsigned NumArgs = Asm.LLVMArgs.size(); 721 auto Args = std::make_unique<const char*[]>(NumArgs + 2); 722 Args[0] = "clang (LLVM option parsing)"; 723 for (unsigned i = 0; i != NumArgs; ++i) 724 Args[i + 1] = Asm.LLVMArgs[i].c_str(); 725 Args[NumArgs + 1] = nullptr; 726 llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get(), /*Overview=*/"", 727 /*Errs=*/nullptr, /*VFS=*/VFS.get()); 728 } 729 730 // Execute the invocation, unless there were parsing errors. 731 bool Failed = Diags.hasErrorOccurred() || ExecuteAssembler(Asm, Diags, VFS); 732 733 // If any timers were active but haven't been destroyed yet, print their 734 // results now. 735 TimerGroup::printAll(errs()); 736 TimerGroup::clearAll(); 737 738 return !!Failed; 739 } 740