1 //===--- Minix.cpp - Minix ToolChain Implementations ------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "Minix.h" 10 #include "CommonArgs.h" 11 #include "InputInfo.h" 12 #include "clang/Driver/Compilation.h" 13 #include "clang/Driver/Driver.h" 14 #include "clang/Driver/Options.h" 15 #include "llvm/Option/ArgList.h" 16 #include "llvm/Support/VirtualFileSystem.h" 17 18 using namespace clang::driver; 19 using namespace clang; 20 using namespace llvm::opt; 21 22 void tools::minix::Assembler::ConstructJob(Compilation &C, const JobAction &JA, 23 const InputInfo &Output, 24 const InputInfoList &Inputs, 25 const ArgList &Args, 26 const char *LinkingOutput) const { 27 claimNoWarnArgs(Args); 28 ArgStringList CmdArgs; 29 30 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); 31 32 CmdArgs.push_back("-o"); 33 CmdArgs.push_back(Output.getFilename()); 34 35 for (const auto &II : Inputs) 36 CmdArgs.push_back(II.getFilename()); 37 38 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); 39 C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs)); 40 } 41 42 void tools::minix::Linker::ConstructJob(Compilation &C, const JobAction &JA, 43 const InputInfo &Output, 44 const InputInfoList &Inputs, 45 const ArgList &Args, 46 const char *LinkingOutput) const { 47 const Driver &D = getToolChain().getDriver(); 48 ArgStringList CmdArgs; 49 50 if (Output.isFilename()) { 51 CmdArgs.push_back("-o"); 52 CmdArgs.push_back(Output.getFilename()); 53 } else { 54 assert(Output.isNothing() && "Invalid output."); 55 } 56 57 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { 58 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o"))); 59 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o"))); 60 CmdArgs.push_back( 61 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o"))); 62 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o"))); 63 } 64 65 Args.AddAllArgs(CmdArgs, 66 {options::OPT_L, options::OPT_T_Group, options::OPT_e}); 67 68 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA); 69 70 getToolChain().addProfileRTLibs(Args, CmdArgs); 71 72 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { 73 if (D.CCCIsCXX()) { 74 if (getToolChain().ShouldLinkCXXStdlib(Args)) 75 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); 76 CmdArgs.push_back("-lm"); 77 } 78 } 79 80 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { 81 if (Args.hasArg(options::OPT_pthread)) 82 CmdArgs.push_back("-lpthread"); 83 CmdArgs.push_back("-lc"); 84 CmdArgs.push_back("-lCompilerRT-Generic"); 85 CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib"); 86 CmdArgs.push_back( 87 Args.MakeArgString(getToolChain().GetFilePath("crtend.o"))); 88 } 89 90 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); 91 C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs)); 92 } 93 94 /// Minix - Minix tool chain which can call as(1) and ld(1) directly. 95 96 toolchains::Minix::Minix(const Driver &D, const llvm::Triple &Triple, 97 const ArgList &Args) 98 : Generic_ELF(D, Triple, Args) { 99 getFilePaths().push_back(getDriver().Dir + "/../lib"); 100 getFilePaths().push_back("/usr/lib"); 101 } 102 103 Tool *toolchains::Minix::buildAssembler() const { 104 return new tools::minix::Assembler(*this); 105 } 106 107 Tool *toolchains::Minix::buildLinker() const { 108 return new tools::minix::Linker(*this); 109 } 110