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 "clang/Driver/Compilation.h" 12#include "clang/Driver/Driver.h" 13#include "clang/Driver/InputInfo.h" 14#include "clang/Driver/Options.h" 15#include "llvm/Option/ArgList.h" 16#include "llvm/Support/VirtualFileSystem.h" 17 18using namespace clang::driver; 19using namespace clang; 20using namespace llvm::opt; 21 22void 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, 40 ResponseFileSupport::AtFileCurCP(), 41 Exec, CmdArgs, Inputs, Output)); 42} 43 44void tools::minix::Linker::ConstructJob(Compilation &C, const JobAction &JA, 45 const InputInfo &Output, 46 const InputInfoList &Inputs, 47 const ArgList &Args, 48 const char *LinkingOutput) const { 49 const Driver &D = getToolChain().getDriver(); 50 ArgStringList CmdArgs; 51 52 if (Output.isFilename()) { 53 CmdArgs.push_back("-o"); 54 CmdArgs.push_back(Output.getFilename()); 55 } else { 56 assert(Output.isNothing() && "Invalid output."); 57 } 58 59 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles, 60 options::OPT_r)) { 61 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o"))); 62 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o"))); 63 CmdArgs.push_back( 64 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o"))); 65 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o"))); 66 } 67 68 Args.AddAllArgs(CmdArgs, 69 {options::OPT_L, options::OPT_T_Group, options::OPT_e}); 70 71 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA); 72 73 getToolChain().addProfileRTLibs(Args, CmdArgs); 74 75 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs, 76 options::OPT_r)) { 77 if (D.CCCIsCXX()) { 78 if (getToolChain().ShouldLinkCXXStdlib(Args)) 79 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); 80 CmdArgs.push_back("-lm"); 81 } 82 } 83 84 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles, 85 options::OPT_r)) { 86 if (Args.hasArg(options::OPT_pthread)) 87 CmdArgs.push_back("-lpthread"); 88 CmdArgs.push_back("-lc"); 89 CmdArgs.push_back("-lCompilerRT-Generic"); 90 CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib"); 91 CmdArgs.push_back( 92 Args.MakeArgString(getToolChain().GetFilePath("crtend.o"))); 93 } 94 95 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); 96 C.addCommand(std::make_unique<Command>(JA, *this, 97 ResponseFileSupport::AtFileCurCP(), 98 Exec, CmdArgs, Inputs, Output)); 99} 100 101/// Minix - Minix tool chain which can call as(1) and ld(1) directly. 102 103toolchains::Minix::Minix(const Driver &D, const llvm::Triple &Triple, 104 const ArgList &Args) 105 : Generic_ELF(D, Triple, Args) { 106 getFilePaths().push_back(getDriver().Dir + "/../lib"); 107 getFilePaths().push_back("/usr/lib"); 108} 109 110Tool *toolchains::Minix::buildAssembler() const { 111 return new tools::minix::Assembler(*this); 112} 113 114Tool *toolchains::Minix::buildLinker() const { 115 return new tools::minix::Linker(*this); 116} 117